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81 применять
(= применить, использовать) apply, adapt, employ, use, make use of• В основном они спроектированы для того, чтобы применять... - These are generally designed to make use of...• В последний раз мы не применяли (= не обращались, не прибегали к) теорему 3.2. - Last time we were not appealing to Theorem 3.2.• В таком случае мы обязаны применить чисто численную технику. - In that case, we must resort to a purely numerical technique.• Важно, чтобы мы умели бы применять идею... - It is important that we be able to apply the concept of...• Возможно, что безопасно применить метод... к... - It is probably safe to apply the method of... to...• Давайте применим наше правило к простому случаю... - Let us now apply our rule to the simple case of...• Данное рассуждение можно одинаково хорошо применить к/в... - The argument can be applied equally well 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...• Для... можно применить несколько методов. - Several methods are available for...• Метод, приведенный в этом параграфе, подобным образом может быть применен к... - The method of sections may be applied in a similar way to...• Мы должны тщательно следить за тем, чтобы не применялось (что-л)... - We must be careful not to imply that...• Мы могли бы применить эти рассуждения, например, к... - We may apply these considerations, for example, to...• Мы можем применить некоторые результаты этой главы для того, чтобы проиллюстрировать... - We may apply some of the results of this chapter to illustrate...• Мы можем сразу применить данную теорему, чтобы найти... - We can at once apply this theorem to find...• Мы можем, конечно, применить теорему 1 к случаю, где/ когда... - We can, of course, apply Theorem 1 to the case where...• Мы применим наши результаты к одному простому случаю. - We shall apply our results to a simple case.• Мы применяем метод асимптотических разложений, использованный в главе 1, к... - We apply the asymptotic expansion method used in Ch. 1 to...• Мы рекомендуем не применять мягкие пластики в этом случае. - We advise against the use of soft plastics in this application.• Мы считаем, что метод... можно применять к/в... - We believe that the method of... is applicable to...• Мы уже применили здесь один специальный случай (чего-л). - We have used here a special case of...• Однако оба этих процесса легко могут быть применены в/к... - However, both of these processes may easily be adapted to...• Подобное рассуждение можно применить к/в... - A similar argument may be applied to...• Подобный алгоритм можно применить для решения уравнения (1). - A similar process can be applied to (1).• Полученные соотношения можно было бы также применить в/к... - The relations obtained may also be applied to...• Поэтому мы применяем слегка модифицированный метод. - We therefore adopt a slightly different method.• Проблема, которую мы обязаны позднее рассмотреть, чтобы применять данную идею, состоит в том, что... - A problem that we must eventually face in making use of this concept is...• Смит [1] применил этот метод к... - Smith [1] has applied this method to...• Соответствующий анализ можно применить в/к... - A corresponding analysis can be applied to...• Тот же метод можно применять в/к... - The same method may be applied to...• Эйнштейн применил точно те же самые идеи к... - Einstein applied precisely the same ideas to...• Эти методы нельзя применять в случае, когда... - These methods are not applicable in the case of...• Это рассуждение можно одинаково хорошо применить к... - The argument can be applied equally well to...• Этот обобщение нельзя применять в случае... - This generalization cannot be applied to the case of...• Этот принцип был применен при производстве... - This principle has been applied to the manufacture of... -
82 соотношение
relation, correlation, ratio, relationship, formula• Альтернативная форма данного соотношения получается... - An alternative form of this relation is obtained by...• Более трудным и тонким соотношением является... - A more difficult and subtle relation is...• Введем новые переменные х, у, z, заданные соотношениями... - Let us now introduce new variables x, y, z, given by...• Дополнительное соотношение может получено, если мы заметим, что... - An additional relation can be obtained by noting that...• Дополнительные соотношения для новых функций устанавливаются из ряда представлений в (4.1). - Additional relations for the new functions are established from the series representations in (4.1).• Другое соотношение между этими величинами может быть получено (с помощью)... - Another relation between these quantities can be obtained by...• Из анализа соотношения (1) очевидным образом следует, что... - It is evident from inspection of (1) that...• Из нашего обсуждения соотношения (4), а также из того факта, что..., вытекает... - This follows from our discussion of (4) and the fact that...• Из предыдущего соотношения ясно, что... - From the above relation it is clear that...• Имеется простое соотношение между этими двумя величинами. - There is a simple relationship between these two quantities.• Иногда бывает удобно использовать соотношения вида... - It is sometimes convenient to use relations of the form...• Используя соотношение (3) между х а у, можно записать... - Making use of the relation between x and у given by (3), one may write...• Используя эти соотношения, мы легко можем показать по индукции, что... - From these relations we can easily show by induction that...• Используя это соотношение, легко подтвердить, что... - It is easily confirmed, using this relationship, that...• Кроме этих основных соотношений мы должны также рассмотреть некоторые вспомогательные. - Aside from these basic relations, we must also consider certain auxiliary conditions.• Наиболее простой путь удовлетворения этому соотношению это выбрать... - The simplest way to satisfy the relation is to choose...• Наши первые результаты описывают соотношения между... - Our first results deal with the relations between...• Невозможно далее упростить это соотношение, потому что... - It is not possible to simplify this relationship any further because...• Обращаясь к соотношению (1), мы находим, что... - Referring back to (1), we find that...• Относительно приведенного выше соотношения (2) можно сделать несколько замечаний. - A few remarks may be made in connection with (2) above.• Очевидно, что выполнение соотношения (1) возможно лишь тогда, когда... - The fulfillment of (1), clearly, is possible only if... ; "i• Повторное применение соотношения (1) дает соотношение (2). - Repeated application of (1) gives (2).• Подобное соотношение существует между... - A similar connection exists between...• Полученные соотношения можно было бы также применить к... - The relations obtained may also be applied to...• Преимуществом соотношения (3) является то, что оно позволяет... - The advantage of (3) is that it permits...• Соотношение именно такого типа должно ожидаться, так как... - A relationship of this sort is to be expected because...• Соотношение между к и т дается формулой... - A relationship between к and m is given by the formula...• Существенная разница между соотношениями (4) и (5) состоит в том, что... - The crucial difference between (4) and (5) is that...• Чтобы вывести данное соотношение, мы отметим, во-первых, что... - In order to obtain this relation, we first note that...• Чтобы установить желаемое соотношение, мы... - То establish the desired relationship, we...• Чтобы установить соотношение (1), давайте... - То establish (1), let...• Эти соотношения можно было бы применить, например, к... - These expressions may be applied, for example, to...• Эти соотношения получаются наиболее просто (методом)... - These relations are obtained most simply by...• Это замечательное соотношение. - This is a remarkable relation.• Это позволяет нам установить естественное и полезное соотношение между... - This allows us to establish a natural and useful connection between...• Это простое соотношение немедленно показывает, что... - This simple relation shows immediately that...• Это соотношение имеет то преимущество, что... - This relation has the advantage that...• Это соотношение можно также получить исходя из теории электромагнетизма. - This relation can also be obtained from the theory of electromagnetism.• Это соотношение также показывает, что... - This relation also shows that...• Это соотношение часто бывает полезным, поскольку оно обеспечивает... - This expression is often useful because it provides...• Это соотношение, которое связывает значения переменной х с t. - This is the relation connecting x and t.• Этот результат мог бы быть выведен прямо из соотношения (6). - This result could have been deduced directly from (6). -
83 praktisch
praktisch I adj GEN practical • praktische und finanzielle Hilfe erhalten GEN be given practical and financial help praktisch II adv GEN practically • etw. praktisch erproben GEN put sth to the test • praktisch verwerten PAT exploit, work* * *adj < Geschäft> practical ■ praktische und finanzielle Hilfe erhalten < Geschäft> be given practical and financial helpadv < Geschäft> practically ■ etw. praktisch erproben < Geschäft> put sth to the test ■ praktisch verwerten < Patent> exploit, work* * *praktisch
practical, in practice, applied, to all intents and purposes, (sachlich) matter-of-fact, down-to-earth;
• praktisch durchführbar feasible, workable;
• praktisch gesehen for all practical purposes;
• praktisch wertlos of no practical value;
• praktisch anwenden to reduce to practice; praktisch
• die Kontrolle ausüben to have practical control of;
• praktisch verwerten to put into practice;
• praktische Anwendung practical application;
• praktischer Arzt general practitioner;
• praktische Ausbildung on-the-job training;
• praktisches Beispiel working example;
• praktische Fertigkeiten experience;
• praktische Gebrauchseigenschaften service properties;
• praktische Nationalökonomie applied political economy;
• praktischer Versuch field test. -
84 combinación2
2 = bedfellow, blend, congeries, juxtaposition, mix, piecing together, concatenation, meshing, combination, interweaving, cocktail, ensemble, meld, coupling, conjoining.Ex. I would like to devote a couple of moments each to what may seem strange bedfellows at first: Sholom Aleichem, Melvil's Rib, the CIA, and La Jolla, California.Ex. Thus in index or catalogue or data base design the indexer must choose an appropriate blend of recall and precision for each individual application.Ex. To be sure, it still has its congeries of mills and factories, its grimy huddle of frame dwellings and congested tenements, its stark, jagged skyline, but its old face is gradually changing.Ex. It achieves this aim principally through the juxtaposition of related subjects in a classified order.Ex. There are important employment opportunities available to people equipped with the right mix of skills and experience.Ex. Progress in research is dependent on the piecing together of items of information from many sources.Ex. Facilities are being developed to enable fast, effective communication over a concatenation of terrestrial and satellite networks.Ex. This paper describes the importance of team management to career development, as well as the meshing of organizational and individual needs, and views the career as a longitudinal concept.Ex. The software can search each field or a combination of fields.Ex. This paper illustrates the possible future interweaving of information retrieval and entertainment.Ex. He rightly characterizes his book as a ' cocktail of personal and public observations.Ex. DIANE is the name that has been given to the ensemble of available information services.Ex. The article is entitled 'Scholars and media: an unmixable mess of oil and water or a perfect meld of oil and vinegar?'.Ex. Will the coupling of libraries and museums mean unprecedented cooperation between these venerable institutions?.Ex. This sign is in effect a prototypical example of the conjoining of words and images.----* combinación de colores = colour pattern, colour scheme.* combinación perfecta = perfect match.* en combinación con = in parallel to/with, in combination with.* orden de combinación de encabezamiento = citation order.* orden de combinación de encabezamientos = citation order.* realizar una combinación = perform + combination.* una combinación de = a mixture of, a mix of, a rollup of. -
85 combinación
f.1 combination, combine, composite, mixture.2 mixing, conjugation, combination.3 petticoat, skirtlike feminine undergarment, underskirt, slip.4 combination, permutation.5 synthesis.6 ring.* * *1 combination2 (prenda) slip3 (cóctel) cocktail4 (lotería, quiniela) permutation, numbers plural5 figurado (artimaña) fiddle, wangle* * *noun f.* * *SF1) [de elementos, factores] combination2) [de números] combination3) (Quím) compound4) [de transportes] connection5) (=prenda) slip6) (Literat)combinación métrica — stanza form, rhyme scheme
* * *1)a) (de colores, sabores) combinationb) (Mat) permutationc) ( de caja fuerte) combination2) (Indum) slip3) (Transp) connection* * *1)a) (de colores, sabores) combinationb) (Mat) permutationc) ( de caja fuerte) combination2) (Indum) slip3) (Transp) connection* * *combinación11 = petticoat.Ex: But until these new pretty garments are ready, the boy will still have to put up with his girl cousins' left-off petticoats and pinnies.
combinación22 = bedfellow, blend, congeries, juxtaposition, mix, piecing together, concatenation, meshing, combination, interweaving, cocktail, ensemble, meld, coupling, conjoining.Ex: I would like to devote a couple of moments each to what may seem strange bedfellows at first: Sholom Aleichem, Melvil's Rib, the CIA, and La Jolla, California.
Ex: Thus in index or catalogue or data base design the indexer must choose an appropriate blend of recall and precision for each individual application.Ex: To be sure, it still has its congeries of mills and factories, its grimy huddle of frame dwellings and congested tenements, its stark, jagged skyline, but its old face is gradually changing.Ex: It achieves this aim principally through the juxtaposition of related subjects in a classified order.Ex: There are important employment opportunities available to people equipped with the right mix of skills and experience.Ex: Progress in research is dependent on the piecing together of items of information from many sources.Ex: Facilities are being developed to enable fast, effective communication over a concatenation of terrestrial and satellite networks.Ex: This paper describes the importance of team management to career development, as well as the meshing of organizational and individual needs, and views the career as a longitudinal concept.Ex: The software can search each field or a combination of fields.Ex: This paper illustrates the possible future interweaving of information retrieval and entertainment.Ex: He rightly characterizes his book as a ' cocktail of personal and public observations.Ex: DIANE is the name that has been given to the ensemble of available information services.Ex: The article is entitled 'Scholars and media: an unmixable mess of oil and water or a perfect meld of oil and vinegar?'.Ex: Will the coupling of libraries and museums mean unprecedented cooperation between these venerable institutions?.Ex: This sign is in effect a prototypical example of the conjoining of words and images.* combinación de colores = colour pattern, colour scheme.* combinación perfecta = perfect match.* en combinación con = in parallel to/with, in combination with.* orden de combinación de encabezamiento = citation order.* orden de combinación de encabezamientos = citation order.* realizar una combinación = perform + combination.* una combinación de = a mixture of, a mix of, a rollup of.combinación33 = code, combination.Ex: The user can page forward through the file by entering the forward code (f) and page backward by entering the backward code (b).
Ex: Combinations are to be given only to a minimum number of employees required to have access to the safe.* cerradura de combinación = combination lock.* combinación de la caja fuerte = safe code, safe combination.* * *A1 (de colores, sabores) combinationla película es una combinación de amor, intriga y suspense the movie is a combination o mixture of love, mystery and suspense2 ( Quím) compound3 ( Mat) permutation4 (de una caja fuerte) combinationB ( Indum) slipC ( Transp) connectionhay que hacer combinación en Diagonal ( Arg); you have to change at Diagonal* * *
combinación sustantivo femenino
c) (Mat) permutationd) (Indum) slipe) (Transp) connection
combinación sustantivo femenino
1 combination
2 (prenda interior femenina) slip
' combinación' also found in these entries:
Spanish:
acertante
- acierto
- mezcla
- síntesis
English:
brunch
- combination
- match
- petticoat
- scheme
- slip
- underskirt
- blend
- color
* * *combinación nf1. [unión, mezcla] combination;una combinación explosiva an explosive combination;la perfecta combinación entre juventud y experiencia the perfect combination o mix of youth and experience;no tomar en combinación con otros analgésicos [en etiqueta] not to be taken with other painkillers2. [de bebidas] cocktail3. [de caja fuerte] combination;la combinación ganadora fue… [en lotería] the winning numbers were…4. [prenda] slip5. [plan] scheme6. Mat permutation7. Quím compound8. [de medios de transporte] connections;no hay buena combinación para ir de aquí allí there's no easy way of getting there from here;hay muy buena combinación para llegar al aeropuerto there's a very good connection to the airportuna perfecta combinación entre los dos jugadores acabó en gol the two players combined perfectly to score a goal* * *f1 combination;combinación numérica combination of numbers2 prenda slip3:hacer combinación TRANSP change* * *combinación nf, pl - ciones1) : combination2) : connection (in travel)* * *1. (en general) combination3. (prenda) slip -
86 अनुबन्धः _anubandhḥ
अनुबन्धः 1 Binding or fastening on, connection, attachment, tie (lit. & fig.); यस्यां मनश्चक्षुषोरनुबन्धस्तस्या- मृद्धिः Māl.2; एतस्येदृशेन दर्शनेन कीदृशो मे हृदयानुबन्धः इति न जानासि U.3 state of feeling; K.257.-2 Uninterrupted succession, unbroken sequence, continuous flow, conti- nuity; series, chain; बाष्पं कुसु स्थिरतया विरतानुबन्धम् Ś.4. 15; मरण˚ K.236 following up death, desire for dying; अनुबन्धाद्विरमेद्वा K.28; यदा नात्याक्षीदेवानुबन्धम् 39 (per- sistence in) following me, 317; वैर˚, मत्सर˚, Dk.63,161; मुच्यतां देवि शोकानुबन्धः K.63 continuous sorrow; दुर्लभजन- प्रार्थना˚ Ratn.1; विरम विरम वह्ने मुञ्च धूमानुबन्धम् 4.16; सानु- बन्धाः कथं न स्युः संपदो मे निरापदः R.1.64 continuous, uninterrupted; परिवृद्धरीगमनुबन्धसेवया R.9.69 continuous enjoyment; अयं सो$र्थो$नर्थानुबन्धः संवृत्तः V.5 giving rise to a chain of evils.-3 Descendants, posterity; सानुबन्धा हता ह्यसि Rām. relation, भूमेः सुतां भूमिभृतो$नुबन्धात् Viś. Guṇā.475.-4 Consequence, result (good or bad); आत्मदोषानुबन्धेन K.319 in consequence of; यदग्रे चानुबन्धे च सुखम् Bg.18.39,25; अनुबन्धमजानन्तः कर्मणामविचक्षणाः Rām. 3.51.26; नार्थानां प्रकृतिं वेत्सि नानुबन्धमवेक्षसे Mb.4.49.1.-5 Intention; design, motive, cause; अनुबन्धानपेक्षेत सानु- बन्धेषु कर्मसु Mb.5.34.8. अनुबन्धं परिज्ञाय देशकालौ च तत्त्वतः । सारापराधौ चालोक्य दण्ड दण्डयेषु पातयेत् Ms.8.126; पाप˚ of evil designs.-6 An adjunct of a thing, a secondary member (मुख्यानुयायि, अप्रधानम्); (उल्का) दृश्यते सानुबन्धा च Rām.5.1.63. a secondary symptom, symptomatic affection, attendant on the principal disease (वातपित्तादि- दोषाणामप्राधान्यम्); मूर्छानुबन्धा विषमज्वराः Suśr.-7 Connecting link or adjunct of a subject or topic; theme, matter of discussion; introductory reasons; (विषयप्रयोजनाधिकारि- संबन्धः अनुबन्धः) (an indispensable element of the Vedānta).-8 (Gram.) An indicatory syllable or letter intended to denote some peculiarity in the in- flection, accent &c. of the word to which it is attached; as the लृ in गम्लृ, ण् in इण्; रिपुराप पराभवाय मध्यं प्रकृति- प्रत्यययोरिवानुबन्धः Ki.13.19.-9 Offence, fault.-1 An obstacle, impediment; also the clog or encumbrance of a family; domestic ties or attachment.-11 A child or pupil who follows the example set by his parent or teacher (मुख्यानुयायी शिशुः).-12 Beginning, commence- ment.-13 Repeated application or devotion (पौनःपुन्येन अभिनिवेशः).-14 Course, pursuit.-15 A small bit or part, a trifle.-16 The junction of a fraction (with an integer), as भागानुबन्धपूर्णाङ्कः.-17 Base, stem (प्रकृति). cf. अनुबन्धः प्रकृत्यादौ दोषोत्पादे विनश्वरे । मुख्यानुयायिनि शिशौ प्रकृतस्यानुवर्तने । अनुबन्धे$पि हिक्कायां भ्रष्टायामपि कथ्यते । Nm.-धी [अनुबध्यते अतिश्वासेन व्याप्रियते अनया]1 Thirst.-2 Hickup. अनुबन्धी तु हिक्कायां तृष्णायामपि योषिति-Medinī. -
87 प्रयोग
prayo-gá
m. N. of a Ṛishi TS. ;
(with bhārgava) author of RV. VIII, 91 Anukr. ;
prayoga2) m. joining together, connection Var. ;
position, addition (of a word) Vprāt. Pāṇ. (loc. often = in the case of Kāṡ. on Pāṇ. 1-4, 25; 26 etc..);
hurling, casting (of missiles) MBh. R. etc.;
offering, presenting Hariv. ;
undertaking, beginning, commencement ṠBr. ṠrS. ;
a design, contrivance, device, plan Mālav. Rājat. ;
application, employment (esp. of drugs orﾠ magic;
cf. IW. 402, 1), use GṛṠrS. MBh. etc. ( ena, āt andﾠ - ga-tas ifc. = by means of);
practice, experiment (opp. to, « theory») Mālav. ;
a means (only ais, by use of means) MBh. Suṡr. ;
(in gram.) an applicable orﾠ usual form Siddh. Vop. ;
exhibition (of a dance), representation (of a drama) Mṛicch. Kālid. (- ga-to-dṛiṡ, to seeﾠ actually represented seeﾠ on the stage Ratnâv.);
a piece to be represented Kālid. Prab. ;
utterance, pronunciation, recitation, delivery ṠrS. RPrāt. Pāṇ. Sch. ;
a formula to be recited, sacred text Ṡiksh. ;
lending at interest orﾠ on usury, investment Mn. MBh. ;
principal, loan bearing interest Gaut. ;
an example L. ;
cause, motive, affair, object W. ;
consequence, result ib. ;
ceremonial form, course of proceeding ib. ;
a horse (cf. pra-yāga) L.
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88 как и в случае
•As for a function of a real variable, the inverse of differentiation of a function of a complex variable is integration.
•As in the case of silver and gold, platinum metals collect in...
•As with complete failure to deliver water, check first the whole pipe arrangement.
•As is the case with methane, these three hydrogens are indistinguishable.
•As with size and brightness, the form and motions of the comet tails are extremely varied.
* * *Как и в случаеStaged air addition, as with burners out of service, is also somewhat promising.As was the case for the one position example, the problem can be solved without the aid of a computer.In common with incipient cavitation, wide variations in the velocity at incipient separation are found.If the layer thickness is very much less than the radius of curvature, as in the turbine blade application, the curvature term in the equation of motion can be neglected.Русско-английский научно-технический словарь переводчика > как и в случае
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89 успешное применение
Успешное применение-- The outer seal shown in Fig. is an example of the successful application of this principle.Русско-английский научно-технический словарь переводчика > успешное применение
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90 Anwendungsbeispiel
Anwendungsbeispiel n example of applicationDeutsch-Englisch Fachwörterbuch Architektur und Bauwesen > Anwendungsbeispiel
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91 autoresponder
E-coman e-mail software application that enables Internet users to send automated e-mails when they are not able to respond to incoming e-mail. Some autoresponse software enables a degree of personalization, for example, by incorporating the recipient’s name in the responding message. -
92 complex adaptive system
Gen Mgta system that overrides conventional human controls because those controls will subdue inevitable change and development within that system. Complex adaptive systems are a product of the application of chaos theory (see chaos) and complexity theory to the world of organizations. According to writers such as Richard Pascale, organizations that are subject to too much control are at risk of failure. The bureaucracy has been cited as an example of extreme control and the top down approach to management. However, if a bureaucracy is left to adapt naturally, it could become capable of self-organization and of creating new methods of operating. -
93 content management
E-comthe means and methods of managing the textual and graphical content of a Web site. For large sites with thousands of pages and many interchangeable words and images, it pays to invest in a content management application system that facilitates the creation and organization of Web content. Some content management systems also offer caching (where a server stores frequently requested information) and analysis of site traffic.Recent years have seen a vast growth in the quantity of content produced by organizations, particularly in digital form. In 2001, it was estimated that there were over 550 billion documents on Internet, intranet, and extranet websites—making professional content management vital. Without it, it becomes almost impossible for a user to find the information they are looking for.However, excellent content management is expensive, and organizations need to establish a solid business case in order to justify it. The initial point for consideration is that content is not a low-level commodity that merely needs to be stored—it is a critical resource, and its value lies in it being read. So an understanding of who will read it is essential. Decisions need to be taken over what languages the material needs to be published in, and in what media (Web or e-mail, for example). The form of the content—text, audio, video—is also important, as is the sensitivity of the material and the consequent security required.Simply storing content is data management, but content management should have publication as its main focus, with the intention of informing or entertaining readers. There is a big difference in approach between the two. -
94 elasticity
Finthe measure of the sensitivity of one variable to another.EXAMPLEIn practical terms, elasticity indicates the degree to which consumers respond to changes in price. It is obviously important for companies to consider such relationships when contemplating changes in price, demand, and supply.Demand elasticity measures how much the quantity demanded by a customer changes when the price of a product or service is increased or lowered. This measurement helps companies to find out whether demand will remain constant despite price changes. Supply elasticity measure the impact on supply when a price is changed.The general formula for elasticity is:Elasticity = % change in x/% change in yIn theory, x and y can be any variable. However, the most common application measures price and demand. If the price of a product is increased from $20 to $25, or 25%, and demand in turn falls from 6,000 to 3,000, elasticity would be calculated as:−50%/25% = – 2A value greater than 1 means that demand is strongly sensitive to price, while a value of less than 1 means that demand is not pricesensitive. -
95 plug-in
E-coma software application that can be added to a Web browser to enable added functionality, for example, the receipt of audio or multimedia files -
96 setup fees
E-comthe costs associated with establishing a merchant account, for example, application and software licensing fees and point-of-sale equipment purchases -
97 Perkin, Sir William Henry
[br]b. 12 March 1838 London, Englandd. 14 July 1907 Sudbury, England[br]English chemist, discoverer of aniline dyes, the first synthetic dyestuffs.[br]He early showed an aptitude for chemistry and in 1853 entered the Royal College of Chemistry as a student under A.W.von Hofmann, the first Professor at the College. By the end of his first year, he had carried out his first piece of chemical research, on the action of cyanogen chloride on phenylamine, which he published in the Journal of the Chemical Society (1857). He became honorary assistant to von Hofmann in 1857; three years previously he had set up his own chemical laboratory at home, where he had discovered the first of the azo dyes, aminoazonapththalene. In 1856 Perkin began work on the synthesis of quinine by oxidizing a salt of allyl toluidine with potassium dichromate. Substituting aniline, he obtained a dark-coloured precipitate which proved to possess dyeing properties: Perkin had discovered the first aniline dye. Upon receiving favourable reports on the new material from manufacturers of dyestuffs, especially Pullars of Perth, Perkin resigned from the College and turned to the commercial exploitation of his discovery. This proved highly successful. From 1858, the dye was manufactured at his Greenford Green works as "Aniline Purple" or "Tyrian Purple". It was later to be referred to by the French as mauve. Perkin's discovery led to the development of the modern dyestuffs industry, supplanting dyes from the traditional vegetable sources. In 1869, he introduced two new methods for making the red dye alizarin, in place of the process that involved the use of the madder plant (Rubia tinctorum). In spite of German competition, he dominated the British market until the end of 1873. After eighteen years in chemical industry, Perkin retired and devoted himself entirely to the pure chemical research which he had been pursuing since the 1850s. He eventually contributed ninety papers to the Chemical Society and further papers to other bodies, including the Royal Society. For example, in 1867 he published his synthesis of unsaturated organic acids, known as "Perkin's synthesis". Other papers followed, on the structure of "Aniline Purple". In 1881 Perkin drew attention to the magnetic-rotatory power of some of the substances he had been dealing with. From then on, he devoted particular attention to the application of this phenomenon to the determination of chemical structure.Perkin won wide recognition for his discoveries and other contributions to chemistry.The half-centenary of his great discovery was celebrated in July 1906 and later that year he received a knighthood.[br]Principal Honours and DistinctionsKnighted 1906. FRS 1866. President, Chemical Society 1883–5. President, Society of Chemical Industry 1884–5. Royal Society Royal Medal 1879; Davy Medal 1889.Bibliography26 August 1856, British patent no. 1984 (Aniline Purple).1867, "The action of acetic anhydride upon the hydrides of salicyl, etc.", Journal of the Chemical Society 20:586 (the first description of Perkin's synthesis).Further ReadingS.M.Edelstein, 1961, biography in Great Chemists, ed. E.Farber, New York: Interscience, pp. 757–72 (a reliable, short account).R.Meldola, 1908, Journal of the Chemical Society 93:2,214–57 (the most detailed account).LRDBiographical history of technology > Perkin, Sir William Henry
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98 Taylor, Frederick Winslow
SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering[br]b. 20 March 1856 Germantown, Pennsylvania, USAd. 21 March 1915 Philadelphia, Pennsylvania, USA[br]American mechanical engineer and pioneer of scientific management.[br]Frederick W.Taylor received his early education from his mother, followed by some years of schooling in France and Germany. Then in 1872 he entered Phillips Exeter Academy, New Hampshire, to prepare for Harvard Law School, as it was intended that he should follow his father's profession. However, in 1874 he had to abandon his studies because of poor eyesight, and he began an apprenticeship at a pump-manufacturing works in Philadelphia learning the trades of pattern-maker and machinist. On its completion in 1878 he joined the Midvale Steel Company, at first as a labourer but then as Shop Clerk and Foreman, finally becoming Chief Engineer in 1884. At the same time he was able to resume study in the evenings at the Stevens Institute of Technology, and in 1883 he obtained the degree of Mechanical Engineer (ME). He also found time to take part in amateur sport and in 1881 he won the tennis doubles championship of the United States.It was while with the Midvale Steel Company that Taylor began the systematic study of workshop management, and the application of his techniques produced significant increases in the company's output and productivity. In 1890 he became Manager of a company operating large paper mills in Maine and Wisconsin, until 1893 when he set up on his own account as a consulting engineer specializing in management organization. In 1898 he was retained exclusively by the Bethlehem Steel Company, and there continued his work on the metal-cutting process that he had started at Midvale. In collaboration with J.Maunsel White (1856–1912) he developed high-speed tool steels and their heat treatment which increased cutting capacity by up to 300 per cent. He resigned from the Bethlehem Steel Company in 1901 and devoted the remainder of his life to expounding the principles of scientific management which became known as "Taylorism". The Society to Promote the Science of Management was established in 1911, renamed the Taylor Society after his death. He was an active member of the American Society of Mechanical Engineers and was its President in 1906; his presidential address "On the Art of Cutting Metals" was reprinted in book form.[br]Principal Honours and DistinctionsParis Exposition Gold Medal 1900. Franklin Institute Elliott Cresson Gold Medal 1900. President, American Society of Mechanical Engineers 1906. Hon. ScD, University of Pennsylvania 1906. Hon. LLD, Hobart College 1912.BibliographyF.W.Taylor was the author of about 100 patents, several papers to the American Society of Mechanical Engineers, On the Art of Cutting Metals (1907, New York) and The Principles of Scientific Management (1911, New York) and, with S.E.Thompson, 1905 A Treatise on Concrete, New York, and Concrete Costs, 1912, New York.Further ReadingThe standard biography is Frank B.Copley, 1923, Frederick W.Taylor, Father of Scientific Management, New York (reprinted 1969, New York) and there have been numerous commentaries on his work: see, for example, Daniel Nelson, 1980, Frederick W.Taylor and the Rise of Scientific Management, Madison, Wis.RTSBiographical history of technology > Taylor, Frederick Winslow
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99 Thomson, James
SUBJECT AREA: Mechanical, pneumatic and hydraulic engineering[br]b. 16 February 1822 Belfast, Ireland (now Northern Ireland)d. 8 May 1892 Glasgow, Scotland[br]Irish civil engineer noted for his work in hydraulics and for his design of the "Vortex" turbine.[br]James Thomson was a pupil in several civil-engineering offices, but the nature of the work was beyond his physical capacity and from 1843 onwards he devoted himself to theoretical studies. Hhe first concentrated on the problems associated with the expansion of liquids when they reach their freezing point: water is one such example. He continued this work with his younger brother, Lord Kelvin (see Thomson, Sir William).After experimentation with a "feathered" paddle wheel as a young man, he turned his attention to water power. In 1850 he made his first patent application, "Hydraulic machinery and steam engines": this patent became his "Vortex" turbine design. He settled in Belfast, the home of the MacAdam-Fourneyron turbine, in 1851, and as a civil engineer became the Resident Engineer to the Belfast Water Commissioners in 1853. In 1857 he was appointed Professor of Civil Engineering and Surveying at Queen's College, Belfast.Whilst it is understood that he made his first turbine models in Belfast, he came to an arrangement with the Williamson Brothers of Kendal to make his turbine. In 1856 Williamsons produced their first turbine to Thomson's design and drawings. This was the Vortex Williamson Number 1, which produced 5 hp (3.7 kW) under a fall of 31 ft (9.4 m) on a 9 in. (23 cm) diameter supply. The rotor of this turbine ran in a horizontal plane. For several years the Williamson catalogue described their Vortex turbine as "designed by Professor James Thomson".Thomson continued with his study of hydraulics and water flow both at Queen's College, Belfast, and, later, at Glasgow University, where he became Professor in 1873, succeeding Macquorn Rankine, another famous engineer. At Glasgow, James Thomson studied the flow in rivers and the effects of erosion on river beds. He was also an authority on geological formations such as the development of the basalt structure of the Giant's Causeway, north of Belfast.James Thomson was an extremely active engineer and a very profound teacher of civil engineering. His form of water turbine had a long life before being displaced by the turbines designed in the twentieth century.[br]Bibliography1850, British patent no. 13,156 "Hydraulic machinery and steam engines".Further ReadingGilkes, 1956, One Hundred Years of Water Power, Kendal.KM -
100 Wolf, Carl
SUBJECT AREA: Mining and extraction technology[br]b. 23 December 1838 Zwickau, Saxony, Germanyd. 30 January 1915 Zwickau, Saxony, Germany[br]German inventor of the most popular petroleum spirit safety lamp for use in mines.[br]From an old mining family in the Saxon coalfields, Wolf was aware from his youth of the urgent demand for a miner's lamp which would provide adequate light but not provoke firedamp explosions. While working as an engineer in Zwickau, Wolf spent his spare time conducting experiments for such a lamp. The basic concept of his invention was the principle that dangerous concentrations of methane and air would not explode within a small pipe; this had been established almost seventy years earlier by the English chemist Humphrey Davy. By combining and developing certain devices designed by earlier inventors, in 1883 Wolf produced a prototype with a glass cylinder, a primer fixed inside the lamp and a magnetic lock. Until the successful application of electric light, Wolfs invention was the safest and most popular mining safety lamp. Many earlier inventions had failed to address all the problems of lighting for mines; Davy's lamp, for example, would too quickly become sooty and hot. As Wolfs lamp burned petroleum spirit, at first it was mistrusted outside Saxony, but it successfully passed the safety tests in all the leading coal-producing countries at that time. As well as casting a safe, constant light, the appearance of the cap flame could indicate the concentration of fire-damp in the air, thus providing an additional safety measure. Wolfs first patent was soon followed by many others in several countries, and underwent many developments. In 1884 Heinrich Friemann, a merchant from Eisleben, invested capital in the new company of Friemann and Wolf, which became the leading producer of miners' safety lamps. By 1914 they had manufactured over one million lamps, and the company had branches in major mining districts worldwide.[br]Further ReadingF.Schwarz, 1914, Entwickelung und gegenwär-tiger Stand der Grubenbeleuchtung beim Steinkohlen-Bergbau, Gelsenkirchen (a systematic historical outline of safety lamp designs).WK
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