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41 экспериментальные и полевые исследования
Makarov: experimental and field studiesУниверсальный русско-английский словарь > экспериментальные и полевые исследования
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42 метод
method, process, procedure, approach, technique, practice, tool, strategy• Безо всяких изменений данный метод подходит для... - The method lends itself readily to...• Более подходящим методом является... - A better technique is to...• Более прямой метод получения величины F рассматривается в главе 9. - A more direct procedure for obtaining F is considered in Chapter 9.• Более подходящим методом является определение... - A more satisfactory method is to establish...• Большинство из этих более продвинутых методов требует... - Most of these more advanced methods require...• Были предложены несколько методов. - Several techniques have been suggested.• Было довольно нелегко разработать метод для... - It was fairly difficult to develop a method for...• Было довольно сложно разработать метод для... - It was quite difficult to develop a method for...• Было легко разработать метод для... - It was easy to develop a method for...• Было относительно легко (= просто) разработать метод для... - It was relatively easy to develop a method for... (not easy on an absolute scale, but less challenging than other tasks)• Было почти невозможно разработать метод для... - It was almost impossible to develop a method for... (so hard that we nearly failed)• В альтернативном методе мы вычисляем... - In the alternative method we calculate...• В данной главе мы представим метод для... - In this chapter, we shall formulate the procedure for...• В данном приближенном методе существенно... - In this approximation procedure it is essential to...• В качестве примера применения описанного выше метода мы показываем, что... - As an example of the method described above we show that...• В недавние годы этот метод был улучшен посредством использования (чего-л). - In recent years the subject has been enriched by the use of...• В основном мы следуем методу... - In essence we follow the procedure of...• В последние годы несколько авторов отказались от этого метода. - Several authors have, in recent years, departed from this procedure.• В своих основных чертах это был метод, использовавшийся Смитом [1]. - In essence, this was the method employed by Smith [1].• В соответствии с методом, намеченным в Главе 1, мы... - In accordance with the method outlined in Chapter 1, we...• В этой главе мы даем эффективный метод... - In this chapter we give an efficient method for...• Вместо этого давайте разработаем (один) общий метод, посредством которого... - Instead, let us develop a general method whereby...• Во многих случаях необходимо обращаться за помощью к приближенным методам. - In many cases it is necessary to resort to approximate methods.• Возможно, безопасно применить метод... к... - It is probably safe to apply the method of... to...•Возможно, наилучшим методом является... - Perhaps the best approach is to...• Все вышеупомянутые методы не применимы для малых х. - The foregoing methods all fail for small x.• Второй метод вывода уравнения (1) формулируется следующим образом. - A second method of obtaining (1) is as follows.• Второй метод точно согласуется с... - The latter method agrees precisely with...• Вышеуказанным методом обнаружено (= найдено), что... - By the above method it is found that...• Геометрически метод состоит в следующем. - Geometrically, the procedure is as follows.• Главное преимущество данного метода заключается в том, что... - The chief advantage of the method is that...• Главным преимуществом данного метода является его общность. - The principal advantage of the method is its generality.• Главным преимуществом данного метода по сравнению с традиционными является то, что... - The major advantage of this procedure over the traditional method is that...• Главным преимуществом данного метода является его простота. - The principal virtue of the method is its simplicity.• Далее, в данном методе заранее предполагается, что... - Further, the method presupposes...• Данное свойство является основой одного метода нахождения... - This property provides one method of determining...• Данный метод был предложен в статье [1]. - The method was suggested by Smith, et al. [1].• Данный метод намного точнее, чем... - The present method is much more precise than...• Данный метод не применим для/в... - The method does not apply to...• Данный метод невозможно применить, когда/ если... - The method is not applicable when...• Данный метод одинаково успешно можно применять к... - The method can equally well be applied to...• Данный метод особенно подходит в случае, когда... - The method is particularly appropriate when...• Данный метод позволяет... - The method enables one to...• Данный метод позволяет исследователю... - The method allows an investigator to...• Данный метод применим к широкому классу (в широком классе)... - The method is applicable to a large class of...• Данный метод прост и довольно интересен, однако... - This method is simple and quite interesting, but...• Данный отчет описывает новый метод... - This report describes a new method of...• Данным методом можно решить ряд важных практических задач. - This method enables us to solve several problems of practical importance.• Детали этого метода можно найти в [1]. - Details of the method can be found in Smith [1].• Для... можно применить несколько методов. - Several methods are available for...• Для получения... был использован ряд методов. - A number of methods have been used to obtain...• Для преодоления этой трудности был разработан один метод. - One method has been advanced for overcoming this difficulty.• Должны быть развиты методы для измерения... - Methods should be developed for measuring...• Достоинство этого метода состоит в том, что... - The advantage of the method is that...• Другим недостатком этого метода является то, что... - The other disadvantage of this procedure is that...; Another disadvantage of this procedure is that...• Его метод доказательства весьма оригинален. - The method of proof is quite ingenious.• Единственный доступный нам в настоящее время метод - это... - The only method available to us so far is...• Единственным известным недостатком этого метода является то, что... - The only known disadvantage of this procedure is that...• Еще одним методом является... - Still another approach is to...• Здесь рассматривается (один) общий метод получения этих решений. - A general method of obtaining these solutions is considered here.• Важность наших методов состоит в том, что они будут давать... - The significance of our methods is that they will yield...• Значительно более удобный метод состоит в том, что... - A far more convenient approach is to...• Имеются два обычно используемых метода для... - There are two commonly used methods for...• Имеются три метода решения такой задачи. - There are three ways of attacking such a problem.• Интересным альтернативным методом является следующий. - An interesting alternative procedure is as follows.• Используя данный метод, следует помнить, что... - In using this method it is well to remember that...• Используя любой подобный метод, необходимо (помнить и т. п.)... - With any method such as this it is necessary to...• Используя этот метод, они нашли, что... - Using the method, they found that...; Using the method, they learned that...; Using the method, they determined that...; Using the method, they discovered that...• Используя этот новый метод, мы можем... - By this new method it will be possible to...• Итак, мы наметим несколько методов, которые могут использоваться для того, чтобы... - We therefore outline some procedures which can be used to...• К сожалению, этот метод оказался неприменим. - Unfortunately, the method was not applicable; The method, unfortunately, was not applicable.• К счастью, имеется один простой и подходящий для этого метод. - Fortunately, there is a simple technique available for doing this.• Каков недостаток этого метода? - What is the disadvantage of this procedure?• Каковы преимущества данного метода? - What are the advantages of this procedure?• Конечно, это могло бы быть следствием неподходящих методов. - Of course, this could reflect the use of inappropriate methods.• Конечно, этот метод не всегда применим. - Of course, this method will not always work.• Коротко, мы будем интересоваться методами, которые... - In short, we will inquire into the ways in which...• Кратко опишем метод для его оценки. - A method for estimating this will be given shortly.• Метод... должен быть применен к/в... - The method of... should apply to...• Метод... мог бы быть надежно применен для... - The method of... could safely be applied to,..• Метод анализа, намеченный в предыдущем абзаце, показывает... - The method of analysis outlined in the last paragraph shows...• Метод может использоваться для оценки... - The method can be used to estimate...• Метод обладает очевидным преимуществом... - The method possesses the obvious advantage of...• Метод основывается на принципе, что... - This method is based on the principle that...• Метод перестает быть достаточно точным, если... - The method ceases to be reasonably accurate if...• Метод состоит в следующем. - The procedure is as follows.• Метод состоит из двух шагов. - The approach is in two steps.• Метод требует от пользователя обеспечить... - The method requires the user to provide...• Метод, который здесь описывается, требует... - The method to be described here involves...• Метод, который мы описали, в общем случае не подходит для... - The procedure we have described is not, in general, suitable for...• Метод, приведенный в этом параграфе, подобным образом может быть применен к... - The method of sections may be applied in a similar way to...• Метод, с помощью которой это было получено, известен как... - The technique by which this is achieved is known as...• Методы, которые мы рассмотрели, позволяют нам... - The methods we have considered enable us to...• Можно использовать множество методов. Например,... - A variety of methods may be employed, e. g.,...• Можно ожидать, что метод обеспечит нахождение по меньшей мере одного корня. - The method can be expected to provide at least one root.• Мы будем придерживаться этого метода. - We shall follow this method.• Мы ввели широкий класс методов решения... - We have introduced a wide range of procedures for solving...• Мы можем обратить метод и вывести, что... - We can reverse the process and deduce that...• Мы наметим в общих чертах метод, основанный на... - We will outline a procedure based on...• Мы откладываем обсуждение подобных методов до параграфа 5. - We defer the discussion of such methods to Section 5.• Мы принимаем полностью отличный от данного метод. - We adopt an entirely different method.• Мы проиллюстрируем данный метод для случая... - We shall illustrate the procedure for the case of...• Мы считаем, что метод... можно применять к/в... - We believe that the method of... is applicable to...• Мы увидим, что эти методы могут использоваться лишь тогда, когда... - It will be observed that these methods are only applicable when...• Мы упоминаем лишь два таких метода... - We mention only two such methods of...• На данный метод часто ссылаются как на... - This process is often referred to as...• На самом деле оба метода используются на практике. - Both methods are in fact used in practice.• На сегодняшний день важность этого метода заключается в том, что... - For the present, the significance of this process lies in the fact that...• Наиболее важным преимуществом данного метода является то, что... - The primary advantage of this procedure is that...• Наиболее просто следовать этому методу в случае... - The procedure is most simply followed for the case of...• Наиболее часто используемые методы перечислены ниже:... - The methods that are most often used follow:...• Наиболее широко используемые методы основываются на... - The techniques most widely used are based on...• Наиболее широко используемый метод это тот, что был введен Смитом [1]. - The method most commonly employed is that introduced by Smith [1].• Наш метод будет весьма существенно отличаться от данного. - Our procedure will be quite different from this.• Нашей основной целью является описание систематических методов для... - Our first concern is to describe systematic methods for...• Не существует систематического метода определения... - There is no systematic way of determining...• Недостатком данного метода является то, что он требует... - The disadvantage of this procedure is that it requires...• Недостаток этого метода можно видеть... - The flaw in this approach can be seen by...• Несколько методов анализа были введены с помощью... - Several methods of analysis are introduced by means of...• Ни один из этих методов не требует... - Neither of these methods requires...• Ниже описываются два подобных метода. - Two such methods are described below.• Обнаружилось, что данный метод (здесь) не приложим. - It turned out that the method was not applicable.• Обнаружилось, что данный метод успешно используется в широкой области... - The method is found to be successful on a wide range of...• Обычно считают, что Смит [1] положил начало этому методу. - Smith [1] is usually credited with originating this method.• Обычным методом является измерение... - A common procedure is to measure...• Один такой несколько искусственный метод занимается... - One such trick is concerned with...• Одна элегантная версия данного метода использует... - An elegant version of this method employs...• Однако данный метод требует предварительного знания... - However, this method presupposes a knowledge of...• Однако лучше всего ввести этот метод, рассматривая... - However, the method is best introduced by considering...• Однако метод может не сработать даже при отсутствии... - However, the procedure may fail even in the absence of...• Однако мы воспользуемся здесь более общим методом, разработанным Воровичем [1]. - But we shall follow here a more general method due to Vorovich [1].• Однако мы легко можем разработать метод для... - We can, however, easily devise a means for...• Однако решения все еще могут быть получены при помощи чисто численных методов. - Solutions can still be obtained, however, by resorting to purely numerical methods.• Однако существует стандартный метод работы с... - However, there is a standard method of dealing with...• Однако этот метод не работает, будучи примененным к... - This approach, however, breaks down when applied to...• Однако этот метод совершенно не удовлетворяет нашим целям. - This procedure, however, falls far short of our goal.• Одним из преимуществ этого метода является то, что... - One advantage of this procedure is that...• Одним общим недостатком данного метода является наличие... - One common drawback of this method is the presence of...• Оказывается, данный метод первоначально появился в работах Смита [1]. - The method appears to have originated in the works of Smith [1].• Описанная выше процедура представляет один строгий метод... - The procedure described above represents a rigorous method of...• Описанный выше метод может быть использован для построения... - The procedure described above can be used to construct...• Описанный здесь метод всегда приводит... - The procedure described here always yields...• Основной слабостью метода является... - The main weakness of the method is...• Отличительным преимуществом данного метода является то, что... - A distinct advantage of the procedure is that...• Отличный от вышеупомянутого метод был предложен Джонсом [1]. - A different method has been given by Jones [1].• Перед этим не имелось общепризнанного метода... - Prior to this, there was no generally accepted method of...• Подобные методы могут использоваться в более сложных ситуациях. - Similar methods may be employed in more complicated cases.• Подобный метод был рассмотрен Смитом [1], который... - Such a procedure has been considered by Smith [1], who...• Подобный метод может быть принят, когда... - A similar method may be adopted when...• Подобный метод применяется к/в... - A similar method applies to...• Пользуясь такими методами, мы можем избежать... - By such expediencies we can avoid...• Потенциальное преимущество данного метода состоит в том, что... - A potential advantage of this procedure lies in the fact that...• Поэтому мы применяем слегка модифицированный метод. - We therefore adopt a slightly different method.• Предпочтительным, однако, является метод... - The preferred method, however, is to...• Преимущество этого метода заключается в том, что... - The advantage of this method lies in the fact that...• Преимущество этого метода, следовательно, состоит в том, что он обеспечивает простой... - The advantage < this procedure, therefore, is that it provides a simple...• Применение данного метода ограничено... - The application of this method is confined to...• Применение данного метода показывает... - An application of this process shows...• Применение данного специального метода оправдано (чем-л). - The adoption of this particular method is justified by...• Проиллюстрируем общий метод, рассматривая... - We illustrate the general method by considering...• Рассматриваемые до сих пор методы касаются... - The methods considered so far have been concerned with...• Результаты всех этих методов согласуются с... - The results of all these methods are consistent with...• Решающим недостатком этого метода является то, что... - The crucial disadvantage of this procedure is that...• С другой стороны, этот метод даст... - On the other hand, this method will give...• Открытие Смита сделало возможным новый метод... - Smith's discovery made possible a new method of...• Самым простым из таких методов является (метод)... - The simplest such method is...• Следовательно, необходимо развить общий метод для... - It is, therefore, necessary to devise a general method for...• Следует подчеркнуть, что этот метод должен использоваться только если... - It is to be emphasized that this method should be used only; if...• Следует уделить внимание методам... - Attention should be given to methods of...• Следующее рассуждение иллюстрирует метод... - The following treatment illustrates the method of...• Следующим недостатком этого метода является то, что... - A further disadvantage of this procedure is that...• Смит [lj обнаружил метод для... - Smith [1] discovered a method for...• Смит [1] предложил метод вычисления... - Smith [l] has proposed a method of calculating...• Смит [1] применил этот метод к... - Smith [1] has applied this method to.,.• Стандартным методом является следующий. - The standard procedure is as follows.• Таким образом, мы имеем метод, который позволяет... - Thus we have a method which yields...• Тем не менее, развитые нами методы обеспечивают основу для... - However, the methods we have developed provide a basis for...• Теперь мы (полностью) готовы использовать методы, разработанные во втором параграфе. - We are now ready to use the methods of Section 2.• Теперь мы обсудим систематические методы, которые f можно использовать в/ при... - We now discuss systematic methods which can be applied to...• Теперь мы применим метод Римана, чтобы... - We now apply Riemann's method in order to...• Только что описанный метод известен как... - The procedure we have described is known as...• Тот же метод можно применять в/к... - The same method may be applied to...• Удобным методом достижения необходимой цели является... - A convenient way to accomplish this is to...• Усовершенствованные экспериментальные методы сделали возможным... - Refined experimental methods have made it possible to...• Фундаментальным преимуществом этого метода является то, что... - A fundamental advantage of this procedure is that...• Хотя этот метод и несколько необычен, он справедлив (= работает) как и любой из известных методов. - Although this method is somewhat unorthodox, it is as valid as any of the more familiar methods.• Центральной идеей, на которой основывался подход Смита [1], была... - The essential idea behind Smith's approach was that...• Чтобы воспользоваться преимуществами данного метода, необходимо... - In order to take advantage of this procedure, one must...• Чтобы проиллюстрировать применение метода, мы... - То illustrate the process we...• Эдисон изобрел новый метод для... - Edison invented a new method for...• Эдисон обдумывал новый метод для... - Edison devised a new method for...• Эти методы вводятся в следующем параграфе. - These methods are introduced in the next section.• Эти методы весьма громоздки. - These processes are tedious.• Эти методы настолько чувствительны, что... - These methods are so sensitive that...• Эти методы нельзя применять в случае, когда... - These methods are not applicable in the case of...• Эти методы очень чувствительны к малым изменениям в... - These methods are very sensitive to small changes in...• Эти методы получают своих сторонников, так как... - These methods attract proponents because...• Этим методом (= На этом пути) мы можем получить (вывести и т. п.)... - In this way we can arrive at...• Это будет объяснено примерами, когда мы будем изучать метод... - This point will be clarified by examples when we study the method of...• Это известный метод, принятый во многих работах... - This is a familiar procedure, undertaken in many studies of...• Это иллюстрирует важный метод... - This illustrates an important method of...• Это можно увидеть двумя методами. - This can be seen in two ways.• Это несущественный недостаток метода, поскольку... - This is not a serious defect of the method because...• Это приводит к полезным методам обращения с... - This leads to useful ways of dealing with...• Это простой метод, который можно проиллюстрировать, рассматривая... - This is a simple procedure which can be illustrated by considering...• Этот метод аналогичен использованному в... - The procedure is similar to that used in...• Этот метод был описан Смитом [1]. - The method has been described by Smith [1].• Этот метод был последовательно доведен до полной эффективности Смитом [3]. - This method was subsequently brought to full fruition by Smith [3].• Этот метод вполне очевиден. - This procedure is quite straightforward.• Этот метод доказательства довольно общий и применим к... - The method of proof is quite general and applies to...• Этот метод известен как... - The procedure is known as...• Этот метод имеет следующие недостатки. - The procedure has the following disadvantages.• Этот метод интересен по следующей причине. - This method is of interest for the following reason.• Этот метод легко адаптируется к/ для... - This procedure is readily adaptable to...• Этот метод легко понять, замечая, что... - The process is easily understood by noting that...• Этот метод лучше всего иллюстрируется примером. - The procedure is best illustrated by an example.• Этот метод наиболее успешен в случае, когда он применяется в... - The method is most successful when applied to...• Этот метод очевидным образом может быть распространен на (случай)... - This process can clearly be extended to...• Этот метод принимается, поскольку... - This approach is adopted because...• Этот метод являлся стандартным в течение многих лет. Несмотря на более новые разработки он будет использоваться и далее. - This approach has been standard for many years, and will continue to be of great use regardless of newer developments.• Этот технически простой метод действительно требует... - This technically simple method does require... -
43 в ближайшее время
В ближайшее время-- It would appear in the near term that further studies of shear flow effects will be experimental in nature.Русско-английский научно-технический словарь переводчика > в ближайшее время
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44 поисковые исследования
Поисковые исследования-- It was felt that MSFC should conduct in-house exploratory studies, both analytical and experimental.Русско-английский научно-технический словарь переводчика > поисковые исследования
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45 проводить исследования своими силами
Проводить исследования своими силами-- At the initiation of this project several years ago, it was felt that MSFC should conduct in-house exploratory studies, both analytical and experimental.Русско-английский научно-технический словарь переводчика > проводить исследования своими силами
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46 удобный случай
Удобный случай-- I have not yet had an opportunity to publish the theoretical studies, but the experimental observation has been reported in a paper.Русско-английский научно-технический словарь переводчика > удобный случай
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47 чаще всего
Чаще всегоTheoretical studies of the problem have most often assumed that either a linear temperature profile is established at these walls, or that the walls are perfectly adiabatic.The appropriate dynamic experimental data needed for validation most often is lacking or incomplete.A small sulfur peak is attributed to the parent stainless steel material, which more often than not contains small amounts of sulfur.Русско-английский научно-технический словарь переводчика > чаще всего
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48 Постоянно проводятся исследования
Research (work) and experimental investigations (studies) are constantly in progression to find...Русско-английский словарь по прикладной математике и механике > Постоянно проводятся исследования
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49 division
отдел; бюро; отделение ( компании) ; сектор; управление; дивизион; дивизия; отсек; (раз)деление; разборкаAdvanced Spacecraft and Technology division — НАСА отдел усовершенствованных космических аппаратов и технологии
Aerospace Research Pilot division — отдел подготовки лётчиков-испытателей воздушно-космических аппаратов и космонавтов (на авиабазе им. Эдвардса ВВС США)
Air Organization and Training division — Бр. управление организации и боевой подготовки (авиации ВМС)
Biotechnology and Human Research division — НАСА отдел биотехники и исследований человеческого организма
Electronic Engineering and Instrumentation Systems division — НАСА отдел электронной техники и приборно-измерительных систем
Experimental Test Pilot division — школа лётчиков-испытателей (на авиабазе им. Эдвардса ВВС США)
Flight-Evaluation and Operations Studies division — НАСА отдел лётной оценки и исследования операций
Instrumentation and Communications division — НАСА отдел приборно-измерительного оборудования и средств связи
Instrumentation and Electronic Systems division — НАСА отдел приборно-измерительного оборудования и электронных систем
Manned Space Sciences division — НАСА отдел научных проблем, связанных с полётом человека в космическом пространстве
Manufacturing Research and Technology division — НАСА отдел производственных исследований и технологии производства
Nuclear Systems and Space Power division — НАСА отдел ядерных систем и источников питания для космических аппаратов
Research and Development Applications division — НАСА отдел применения [внедрения] научно-исследовательских и опытно-конструкторских работ
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50 Cushing, Harvey Williams
SUBJECT AREA: Medical technology[br]b. 8 April 1869 Cleveland, Ohio, USAd. 7 October 1939 New Haven, Connecticut, USA[br]American neurosurgeon and innovator of antihaemorrhagic techniques including the use of electrocoagulation.[br]Cushing graduated in medicine from Harvard University in 1895, having already acquired an arts degree at Yale (1891). He held posts in Boston and at Johns Hopkins Hospital, Baltimore, from 1897 until 1890, and then travelled abroad. After studying in Germany and England he returned to Baltimore to become Assistant Professor of Surgery in 1903 working under W.S. Halsted, a post he held until 1912. In 1905 he started specializing in neurosurgery, undertaking much experimental work and developing new instruments and techniques, such as spinal anaesthesia and in particular the electrosurgical methods pioneered by W.T. Bovie.Returning to Harvard as Professor of Surgery, he established a renowned school of neurosurgery. He retired from Harvard in 1932, becoming Stirling Professor of Neurosurgery until 1937 and then Director of Studies in the History of Medicine at Yale.His researches in neurophysiology were extensive and the eponymous pituitary syndrome is only one of a large number of discoveries in the field. He was awarded numerous honours, both American and international. He was a noted bibliophile, particularly of medical books and manuscripts, and his own extensive collection was bequeathed to Yale, becoming an important part of the Historical Medical Library.[br]Bibliography1928, "Electrosurgery as an aid to the removal of intracranial tumours", Surg. Gynec. Obstet.Further ReadingJ.F.Fulton, 1946, Harvey Cushing: A Biography.MGBiographical history of technology > Cushing, Harvey Williams
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51 Domagk, Gerhard Johannes Paul
SUBJECT AREA: Medical technology[br]b. 30 October 1895 Lagow, Brandenburg, Germanyd. 24 April 1964 Burgberg, Germany[br]German physician, biochemist and pharmacologist, pioneer of antibacterial chemotherapy.[br]Domagk's studies in medicine were interrupted by the outbreak of the First World War and his service in the Army, delaying his qualification at Kiel until 1921. For a short while he worked at the University of Greifswald, but in 1925 he was appointed Reader in Pathology at the University of Munster, where he remained as Extraordinary Professor of General Pathology and Pathological Anatomy (1928) and Professor (1958).In 1924 he published a paper on the role of the reticulo-endothelial system against infection. This led to his appointment as Director of Research by IG Farbenindustrie in their laboratory for experimental pathology and bacteriology. The planned programme of research into potential antibacterial chemotherapeutic drugs led, via the discovery of the dye Prontosil rubrum by his colleagues, to his reporting in 1936 the clinical antistreptococcal effects of the sulphonamide drugs. These results were confirmed in other countries, but owing to problems with the Nazi authorities he was unable to receive until 1947 the Nobel Prize that he was awarded in 1939.Domagk turned his interest to the chemotherapy of tuberculosis, and in 1946 he was able to report the therapeutic activity of the thiosemicarbazones, which, although too toxic for general use, in their turn led to the discovery of the potent and effective isoniazid. In his later years he moved into the field of cancer chemotherapy, but interestingly he wrote, "One should not have too great expectations of the future of cytostatic agents." His only daughter was one of the first patients to have a severe streptococcal infection successfully treated with Prontosil rubrum.[br]Principal Honours and DistinctionsNobel Prize for Medicine 1939. Foreign Member of the Royal Society. Paul Ehrlich Gold Medal.Bibliography1935, "Ein Beitrag zur Chemotherapie der bakteriellen Infektionen", Deutsche med. Woch.1924, Virchows Archiv für Path. Anat. und Physiol. u.f. klin. Med. 253:294–638.Further Reading1964, Biographical Memoirs of the Royal Society: Gerhard Domagk, London.MGBiographical history of technology > Domagk, Gerhard Johannes Paul
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52 Fermi, Enrico
[br]b. 29 September 1901 Rome, Italyd. 28 November 1954 Chicago, USA[br]Italian nuclear physicist.[br]Fermi was one of the most versatile of twentieth-century physicists, one of the few to excel in both theory and experiment. His greatest theoretical achievements lay in the field of statistics and his theory of beta decay. His statistics, parallel to but independent of Dirac, were the key to the modern theory of metals and the statistical modds of the atomic nucleus. On the experimental side, his most notable discoveries were artificial radioactivity produced by neutron bombardment and the realization of a controlled nuclear chain reaction, in the world's first nuclear reactor.Fermi received a conventional education with a chemical bias, but reached proficiency in mathematics and physics largely through his own reading. He studied at Pisa University, where he taught himself modern physics and then travelled to extend his knowledge, spending time with Max Born at Göttingen. On his return to Italy, he secured posts in Florence and, in 1927, in Rome, where he obtained the first Italian Chair in Theoretical Physics, a subject in which Italy had so far lagged behind. He helped to bring about a rebirth of physics in Italy and devoted himself to the application of statistics to his model of the atom. For this work, Fermi was awarded the Nobel Prize in Physics in 1938, but in December of that year, finding the Fascist regime uncongenial, he transferred to the USA and Columbia University. The news that nuclear fission had been achieved broke shortly before the Second World War erupted and it stimulated Fermi to consider this a way of generating secondary nuclear emission and the initiation of chain reactions. His experiments in this direction led first to the discovery of slow neutrons.Fermi's work assumed a more practical aspect when he was invited to join the Manhattan Project for the construction of the first atomic bomb. His small-scale work at Columbia became large-scale at Chicago University. This culminated on 2 December 1942 when the first controlled nuclear reaction took place at Stagg Field, Chicago, an historic event indeed. Later, Fermi spent most of the period from September 1944 to early 1945 at Los Alamos, New Mexico, taking part in the preparations for the first test explosion of the atomic bomb on 16 July 1945. President Truman invited Fermi to serve on his Committee to advise him on the use of the bomb. Then Chicago University established an Institute for Nuclear Studies and offered Fermi a professorship, which he took up early in 1946, spending the rest of his relatively short life there.[br]Principal Honours and DistinctionsNobel Prize for Physics 1938.Bibliography1962–5, Collected Papers, ed. E.Segrè et al., 2 vols, Chicago (includes a biographical introduction and bibliography).Further ReadingL.Fermi, 1954, Atoms in the Family, Chicago (a personal account by his wife).E.Segrè, 1970, Enrico Fermi, Physicist, Chicago (deals with the more scientific aspects of his life).LRD -
53 Gilbert, Joseph Henry
SUBJECT AREA: Agricultural and food technology[br]b. 1 August 1817 Hull, Englandd. 23 December 1901 England[br]English chemist who co-established the reputation of Rothampsted Experimental Station as at the forefront of agricultural research.[br]Joseph Gilbert was the son of a congregational minister. His schooling was interrupted by the loss of an eye as the result of a shooting accident, but despite this setback he entered Glasgow University to study analytical chemistry, and then went to University College, London, where he was a fellow student of John Bennet Lawes. During his studies he visited Giessen, Germany, and worked in the laboratory of Justus von Liebig. In 1843, at the age of 26, he was hired as an assistant by Lawes, who was 29 at that time; an unbroken friendship and collaboration existed between the two until Lawes died in 1900. They began a series of experiments on grain production and grew plots under different applications of nitrogen, with control plots that received none at all. Much of the work at Rothampsted was on the nitrogen requirements of plants and how this element became available to them. The grain grown in these experiments was analyzed to determine whether nitrogen input affected grain quality. Gilbert was a methodical worker who by the time of his death had collected together some 50,000 carefully stored and recorded samples.[br]Principal Honours and DistinctionsKnighted 1893. FRS 1860. Fellow of the Chemistry Society 1841, President 1882–3. President, Chemical Section of the British Association 1880. Sibthorpian Professor of Rural Economy, Oxford University, 1884. Honorary Professor of the Royal Agricultural College, Cirencester. Honorary member of the Royal Agricultural Society of England 1883. Royal Society Royal Medal 1867 (jointly with Lawes). Society of Arts Albert Gold Medal 1894 (jointly with Lawes). Liebig Foundation of the Royal Bavarian Academy of Science Silver Medal 1893 (jointly with Lawes).AP -
54 Hunter, John
SUBJECT AREA: Medical technology[br]b. 14 (registered 13) February 1728 East Kilbride, Lanarkshire, Scotlandd. 16 October 1793 London, England[br]Scottish surgeon and anatomist, pioneer of experimental methods in medicine and surgery.[br]The younger brother of William Hunter (1718–83), who was of great distinction but perhaps of slightly less achievement in similar fields, he owed much of his early experience to his brother; William, after a period at Glasgow University, moved to St George's Hospital, London. In his later teens, John assisted a brother-in-law with cabinet-making. This appears to have contributed to the lifelong mechanical skill which he displayed as a dissector and surgeon. This skill was particularly obvious when, after following William to London in 1748, he held post at a number of London teaching hospitals before moving to St George's in 1756. A short sojourn at Oxford in 1755 appears to have been unfruitful.Despite his deepening involvement in the study of comparative anatomy, facilitated by the purchase of animals from the Tower menagerie and travelling show people, he accepted an appointment as a staff surgeon in the Army in 1760, participating in the expedition to Belle Isle and also serving in Portugal. He returned home with over 300 specimens in 1763 and, until his appointment as Surgeon to St George's in 1768, was heavily involved in the examination of this and other material, as well as in studies of foetal testicular descent, placental circulation, the nature of pus and lymphatic circulation. In 1772 he commenced lecturing on the theory and practice of surgery, and in 1776 he was appointed Surgeon-Extraordinary to George III.He is rightly regarded as the founder of scientific surgery, but his knowledge was derived almost entirely from his own experiments and observations. His contemporaries did not always accept or understand the concepts which led to such aphorisms as, "to perform an operation is to mutilate a patient we cannot cure", and his written comment to his pupil Jenner: "Why think. Why not trie the experiment". His desire to establish the aetiology of gonorrhoea led to him infecting himself, as a result of which he also contracted syphilis. His ensuing account of the characteristics of the disease remains a classic of medicine, although it is likely that the sequelae of the condition brought about his death at a relatively early age. From 1773 he suffered recurrent anginal attacks of such a character that his life "was in the hands of any rascal who chose to annoy and tease him". Indeed, it was following a contradiction at a board meeting at St George's that he died.By 1788, with the death of Percival Pott, he had become unquestionably the leading surgeon in Britain, if not Europe. Elected to the Royal Society in 1767, the extraordinary variety of his collections, investigations and publications, as well as works such as the "Treatise on the natural history of the human teeth" (1771–8), gives testimony to his original approach involving the fundamental and inescapable relation of structure and function in both normal and disease states. The massive growth of his collections led to his acquiring two houses in Golden Square to contain them. It was his desire that after his death his collection be purchased and preserved for the nation. It contained 13,600 specimens and had cost him £70,000. After considerable delay, Par-liament voted inadequate sums for this purpose and the collection was entrusted to the recently rechartered Royal College of Surgeons of England, in whose premises this remarkable monument to the omnivorous and eclectic activities of this outstanding figure in the evolution of medicine and surgery may still be seen. Sadly, some of the collection was lost to bombing during the Second World War. His surviving papers were also extensive, but it is probable that many were destroyed in the early nineteenth century.[br]Principal Honours and DistinctionsFRS 1767. Copley Medal 1787.Bibliography1835–7, Works, ed. J.F.Palmer, Philosophical Transactions of the Royal Society, London.MG -
55 Lodge, Sir Oliver Joseph
[br]b. 12 June 1851 Penkhull, Staffordshire, Englandd. 22 August 1940 Lake, near Salisbury, Wiltshire, England[br]English physicist who perfected Branly's coherer; said to have given the first public demonstration of wireless telegraphy.[br]At the age of 8 Lodge entered Newport Grammar School, and in 1863–5 received private education at Coombs in Suffolk. He then returned to Staffordshire, where he assisted his father in the potteries by working as a book-keeper. Whilst staying with an aunt in London in 1866–7, he attended scientific lectures and became interested in physics. As a result of this and of reading copies of English Mechanic magazine, when he was back home in Hanley he began to do experiments and attended the Wedgewood Institute. Returning to London c. 1870, he studied initially at the Royal College of Science and then, from 1874, at University College, London (UCL), at the same time attending lectures at the Royal Institution.In 1875 he obtained his BSc, read a paper to the British Association on "Nodes and loops in chemical formulae" and became a physics demonstrator at UCL. The following year he was appointed a physics lecturer at Bedford College, completing his DSc in 1877. Three years later he became Assistant Professor of Mathematics at UCL, but in 1881, after only two years, he accepted the Chair of Experimental Physics at the new University College of Liverpool. There began a period of fruitful studies of electricity and radio transmission and reception, including development of the lightning conductor, discovery of the "coherent" effect of sparks and improvement of Branly's coherer, and, in 1894, what is said to be the first public demonstration of the transmission and reception (using a coherer) of wireless telegraphy, from Lewis's department store to the clock tower of Liverpool University's Victoria Building. On 10 May 1897 he filed a patent for selective tuning by self-in-ductance; this was before Marconi's first patent was actually published and its priority was subsequently upheld.In 1900 he became the first Principal of the new University of Birmingham, where he remained until his retirement in 1919. In his later years he was increasingly interested in psychical research.[br]Principal Honours and DistinctionsKnighted 1902. FRS 1887. Royal Society Council Member 1893. President, Society for Psychical Research 1901–4, 1932. President, British Association 1913. Royal Society Rumford Medal 1898. Royal Society of Arts Albert Medal 1919. Institution of Electrical Engineers Faraday Medal 1932. Fourteen honorary degrees from British and other universities.Bibliography1875, "The flow of electricity in a plane", Philosophical Magazine (May, June and December).1876, "Thermo-electric phenomena", Philosophical Magazine (December). 1888, "Lightning conductors", Philosophical Magazine (August).1889, Modern Views of Electricity (lectures at the Royal Institution).10 May 1897, "Improvements in syntonized telegraphy without line wires", British patent no. 11,575, US patent no. 609,154.1898, "Radio waves", Philosophical Magazine (August): 227.1931, Past Years, An Autobiography, London: Hodder \& Stoughton.Further ReadingW.P.Jolly, 1974, Sir Oliver Lodge, Psychical Resear cher and Scientist, London: Constable.E.Hawks, 1927, Pioneers of Wireless, London: Methuen.See also: Hertz, Heinrich RudolphKFBiographical history of technology > Lodge, Sir Oliver Joseph
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56 Monro, Philip Peter
SUBJECT AREA: Chemical technology[br]b. 27 May 1946 London, England[br]English biologist, inventor of a water-purification process by osmosis.[br]Monro's whole family background is engineering, an interest he did not share. Instead, he preferred biology, an enthusiasm aroused by reading the celebrated Science of Life by H.G. and G.P.Wells and Julian Huxley. Educated at a London comprehensive school, Monro found it necessary to attend evening classes while at school to take his advanced level science examinations. Lacking parental support, he could not pursue a degree course until he was 21 years old, and so he gained valuable practical experience as a research technician. He resumed his studies and took a zoology degree at Portsmouth Polytechnic. He then worked in a range of zoology and medical laboratories, culminating after twelve years as a Senior Experimental Officer at Southampton Medical School. In 1989 he relinquished his post to devote himself fall time to developing his inventions as Managing Director of Hampshire Advisory and Technical Services Ltd (HATS). Also in 1988 he obtained his PhD from Southampton University, in the field of embryology.Monro had meanwhile been demonstrating a talent for invention, mainly in microscopy. His most important invention, however, is of a water-purification system. The idea for it came from Michael Wilson of the Institute of Dental Surgery in London, who evolved a technique for osmotic production of sterile oral rehydration solutions, of particular use in treating infants suffering from diarrhoea in third-world countries. Monro broadened the original concept to include dried food, intravenous solutions and even dried blood. The process uses simple equipment and no external power and works as follows: a dry sugar/salts mixture is sealed in one compartment of a double bag, the common wall of which is a semipermeable membrane. Impure water is placed in the empty compartment and the water transfers across the membrane by the osmotic force of the sugar/salts. As the pores in the membrane exclude all viruses, bacteria and their toxins, a sterile solution is produced.With the help of a research fellowship granted for humanitarian reasons at King Alfred College, Winchester, the invention was developed to functional prototype stage in 1993, with worldwide patent protection. Commercial production was expected to follow, if sufficient financial backing were forthcoming. The process is not intended to replace large installations, but will revolutionize the small-scale production of sterile water in scattered third-world communities and in disaster areas where normal services have been disrupted.HATS was awarded First Prize in the small business category and was overall prize winner in the Toshiba Year of Invention, received a NatWest/BP award for technology and a Prince of Wales Award for Innovation.[br]Bibliography1993, with M.Wilson and W.A.M.Cutting, "Osmotic production of sterile oral rehydration solutions", Tropical Doctor 23:69–72.LRD -
57 Petty, Sir William
SUBJECT AREA: Medical technology[br]b. 26 May 1623 Romsey, Hampshire, Englandd. 16 December 1687 London, England[br]English scientist, medical practitioner, researcher and founder member of the Royal Society of London.[br]Despite coming from modest circumstances, Petty had an illustrious career, which started with college in France at the age of 13, followed by service on a small coastal ship and then studies at the medical schools of Ley den and Paris. In 1651 he was appointed Professor of Anatomy at Oxford, and by this time was attending meetings of fellow scientists and philosophers which culminated in the founding of the Royal Society of London for Improving Natural Knowledge. In 1652 Petty was sent to Ireland as PhysicianGeneral for the Army; he was soon involved in many matters of an intellectual and experimental nature. He took responsibility for the first proper survey of the country and produced maps and an Irish atlas, Hiberniae Delineatio, published in 1685. His investigations into political economics had a profound effect on seventeenth-century thinking. Of equal importance were his radical proposals for ship design; he presented many papers on naval architecture to the Royal Society and at one time suggested floating harbours similar to the Mulberry harbours of nearly three centuries later. In 1662 he built the pioneer catamaran Invention II (described at the time as a double-bottomed ship!), which was capable of lifting 5 tons of cargo.[br]Principal Honours and DistinctionsKnighted 1661.Further ReadingP.G.Dale, 1987, Sir W.P. of Romsey, Romsey: LTVAS Group.FMW -
58 Preece, Sir William Henry
[br]b. 15 February 1834 Bryn Helen, Gwynedd, Walesd. 6 November 1913 Penrhos, Gwynedd, Wales[br]Welsh electrical engineer who greatly furthered the development and use of wireless telegraphy and the telephone in Britain, dominating British Post Office engineering during the last two decades of the nineteenth century.[br]After education at King's College, London, in 1852 Preece entered the office of Edwin Clark with the intention of becoming a civil engineer, but graduate studies at the Royal Institution under Faraday fired his enthusiasm for things electrical. His earliest work, as connected with telegraphy and in particular its application for securing the safe working of railways; in 1853 he obtained an appointment with the Electric and National Telegraph Company. In 1856 he became Superintendent of that company's southern district, but four years later he moved to telegraph work with the London and South West Railway. From 1858 to 1862 he was also Engineer to the Channel Islands Telegraph Company. When the various telegraph companies in Britain were transferred to the State in 1870, Preece became a Divisional Engineer in the General Post Office (GPO). Promotion followed in 1877, when he was appointed Chief Electrician to the Post Office. One of the first specimens of Bell's telephone was brought to England by Preece and exhibited at the British Association meeting in 1877. From 1892 to 1899 he served as Engineer-in-Chief to the Post Office. During this time he made a number of important contributions to telegraphy, including the use of water as part of telegraph circuits across the Solent (1882) and the Bristol Channel (1888). He also discovered the existence of inductive effects between parallel wires, and with Fleming showed that a current (thermionic) flowed between the hot filament and a cold conductor in an incandescent lamp.Preece was distinguished by his administrative ability, some scientific insight, considerable engineering intuition and immense energy. He held erroneous views about telephone transmission and, not accepting the work of Oliver Heaviside, made many errors when planning trunk circuits. Prior to the successful use of Hertzian waves for wireless communication Preece carried out experiments, often on a large scale, in attempts at wireless communication by inductive methods. These became of historic interest only when the work of Maxwell and Hertz was developed by Guglielmo Marconi. It is to Preece that credit should be given for encouraging Marconi in 1896 and collaborating with him in his early experimental work on radio telegraphy.While still employed by the Post Office, Preece contributed to the development of numerous early public electricity schemes, acting as Consultant and often supervising their construction. At Worcester he was responsible for Britain's largest nineteenth-century public hydro-electric station. He received a knighthood on his retirement in 1899, after which he continued his consulting practice in association with his two sons and Major Philip Cardew. Preece contributed some 136 papers and printed lectures to scientific journals, ninety-nine during the period 1877 to 1894.[br]Principal Honours and DistinctionsCB 1894. Knighted (KCB) 1899. FRS 1881. President, Society of Telegraph Engineers, 1880. President, Institution of Electrical Engineers 1880, 1893. President, Institution of Civil Engineers 1898–9. Chairman, Royal Society of Arts 1901–2.BibliographyPreece produced numerous papers on telegraphy and telephony that were presented as Royal Institution Lectures (see Royal Institution Library of Science, 1974) or as British Association reports.1862–3, "Railway telegraphs and the application of electricity to the signaling and working of trains", Proceedings of the ICE 22:167–93.Eleven editions of Telegraphy (with J.Sivewright), London, 1870, were published by 1895.1883, "Molecular radiation in incandescent lamps", Proceedings of the Physical Society 5: 283.1885. "Molecular shadows in incandescent lamps". Proceedings of the Physical Society 7: 178.1886. "Electric induction between wires and wires", British Association Report. 1889, with J.Maier, The Telephone.1894, "Electric signalling without wires", RSA Journal.1898, "Aetheric telegraphy", Proceedings of the Institution of Electrical Engineers.Further ReadingJ.J.Fahie, 1899, History of Wireless Telegraphy 1838–1899, Edinburgh: Blackwood. E.Hawkes, 1927, Pioneers of Wireless, London: Methuen.E.C.Baker, 1976, Sir William Preece, F.R.S. Victorian Engineer Extraordinary, London (a detailed biography with an appended list of his patents, principal lectures and publications).D.G.Tucker, 1981–2, "Sir William Preece (1834–1913)", Transactions of the Newcomen Society 53:119–36 (a critical review with a summary of his consultancies).GW / KFBiographical history of technology > Preece, Sir William Henry
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59 Szilard, Leo
SUBJECT AREA: Weapons and armour[br]b. 11 February 1898 Budapest, Hungaryd. 30 May 1964 La Jolla, California, USA[br]Hungarian (naturalized American in 1943) nuclear-and biophysicist.[br]The son of an engineer, Szilard, after service in the Austro-Hungarian army during the First World War, studied electrical engineering at the University of Berlin. Obtaining his doctorate there in 1922, he joined the faculty and concentrated his studies on thermodynamics. He later began to develop an interest in nuclear physics, and in 1933, shortly after Hitler came to power, Szilard emigrated to Britain because of his Jewish heritage.In 1934 he conceived the idea of a nuclear chain reaction through the breakdown of beryllium into helium and took out a British patent on it, but later realized that this process would not work. In 1937 he moved to the USA and continued his research at the University of Columbia, and the following year Hahn and Meitner discovered nuclear fission with uranium; this gave Szilard the breakthrough he needed. In 1939 he realized that a nuclear chain reaction could be produced through nuclear fission and that a weapon with many times the destructive power of the conventional high-explosive bomb could be produced. Only too aware of the progress being made by German nuclear scientists, he believed that it was essential that the USA should create an atomic bomb before Hitler. Consequently he drafted a letter to President Roosevelt that summer and, with two fellow Hungarian émigrés, persuaded Albert Einstein to sign it. The result was the setting up of the Uranium Committee.It was not, however, until December 1941 that active steps began to be taken to produce such a weapon and it was a further nine months before the project was properly co-ordinated under the umbrella of the Manhattan Project. In the meantime, Szilard moved to join Enrico Fermi at the University of Chicago and it was here, at the end of 1942, in a squash court under the football stadium, that they successfully developed the world's first self-sustaining nuclear reactor. Szilard, who became an American citizen in 1943, continued to work on the Manhattan Project. In 1945, however, when the Western Allies began to believe that only the atomic bomb could bring the war against Japan to an end, Szilard and a number of other Manhattan Project scientists objected that it would be immoral to use it against populated targets.Although he would continue to campaign against nuclear warfare for the rest of his life, Szilard now abandoned nuclear research. In 1946 he became Professor of Biophysics at the University of Chicago and devoted himself to experimental work on bacterial mutations and biochemical mechanisms, as well as theoretical research on ageing and memory.[br]Principal Honours and DistinctionsAtoms for Peace award 1959.Further ReadingKosta Tsipis, 1985, Understanding Nuclear Weapons, London: Wildwood House, pp. 16–19, 26, 28, 32 (a brief account of his work on the atomic bomb).A collection of his correspondence and memories was brought out by Spencer Weart and Gertrud W.Szilard in 1978.CM -
60 Watson-Watt, Sir Robert Alexander
[br]b. 13 April 1892 Brechin, Angus, Scotlandd. 6 December 1973 Inverness, Scotland[br]Scottish engineer and scientific adviser known for his work on radar.[br]Following education at Brechin High School, Watson-Watt entered University College, Dundee (then a part of the University of St Andrews), obtaining a BSc in engineering in 1912. From 1912 until 1921 he was Assistant to the Professor of Natural Philosophy at St Andrews, but during the First World War he also held various posts in the Meteorological Office. During. this time, in 1916 he proposed the use of cathode ray oscillographs for radio-direction-finding displays. He joined the newly formed Radio Research Station at Slough when it was opened in 1924, and 3 years later, when it amalgamated with the Radio Section of the National Physical Laboratory, he became Superintendent at Slough. At this time he proposed the name "ionosphere" for the ionized layer in the upper atmosphere. With E.V. Appleton and J.F.Herd he developed the "squegger" hard-valve transformer-coupled timebase and with the latter devised a direction-finding radio-goniometer.In 1933 he was asked to investigate possible aircraft counter-measures. He soon showed that it was impossible to make the wished-for radio "death-ray", but had the idea of using the detection of reflected radio-waves as a means of monitoring the approach of enemy aircraft. With six assistants he developed this idea and constructed an experimental system of radar (RAdio Detection And Ranging) in which arrays of aerials were used to detect the reflected signals and deduce the bearing and height. To realize a practical system, in September 1936 he was appointed Director of the Bawdsey Research Station near Felixstowe and carried out operational studies of radar. The result was that within two years the East Coast of the British Isles was equipped with a network of radar transmitters and receivers working in the 7–14 metre band—the so-called "chain-home" system—which did so much to assist the efficient deployment of RAF Fighter Command against German bombing raids on Britain in the early years of the Second World War.In 1938 he moved to the Air Ministry as Director of Communications Development, becoming Scientific Adviser to the Air Ministry and Ministry of Aircraft Production in 1940, then Deputy Chairman of the War Cabinet Radio Board in 1943. After the war he set up Sir Robert Watson-Watt \& Partners, an industrial consultant firm. He then spent some years in relative retirement in Canada, but returned to Scotland before his death.[br]Principal Honours and DistinctionsKnighted 1942. CBE 1941. FRS 1941. US Medal of Merit 1946. Royal Society Hughes Medal 1948. Franklin Institute Elliot Cresson Medal 1957. LLD St Andrews 1943. At various times: President, Royal Meteorological Society, Institute of Navigation and Institute of Professional Civil Servants; Vice-President, American Institute of Radio Engineers.Bibliography1923, with E.V.Appleton \& J.F.Herd, British patent no. 235,254 (for the "squegger"). 1926, with J.F.Herd, "An instantaneous direction reading radio goniometer", Journal ofthe Institution of Electrical Engineers 64:611.1933, The Cathode Ray Oscillograph in Radio Research.1935, Through the Weather Hours (autobiography).1936, "Polarisation errors in direction finders", Wireless Engineer 13:3. 1958, Three Steps to Victory.1959, The Pulse of Radar.1961, Man's Means to his End.Further ReadingS.S.Swords, 1986, Technical History of the Beginnings of Radar, Stevenage: Peter Peregrinus.KFBiographical history of technology > Watson-Watt, Sir Robert Alexander
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