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1 by applying the principle
Математика: используя принцип (of virtual work we...)Универсальный англо-русский словарь > by applying the principle
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2 принцип
principle, mode, consideration, concept, precept• Базовый принцип этого состоит в том, что... - The underlying idea is that...• В дальнейшем следует помнить этот важный принцип. - This is an important principle to be kept in mind as we proceed.• В принципе это подобно (че. иу-л). - This is similar in principle to...• В принципе, могло бы быть полезным... - In principle it may be advantageous to...• Важное применение данных принципов обнаруживается в... - An important application of these principles is to be found in...• Данный подход нарушает основной принцип... - This approach violates the basic principle of...• Данный принцип легко обобщается на... - The principle is readily extended to...• Данный принцип утверждает, что... - This principle states that...• Другой важный пример этого принципа встречается, когда... - Another important example of this principle occurs when...• Использующийся здесь принцип состоит в том, что... - The principle used here is...• Исходя из этого (общего) принципа... - With this (general) principle in mind...• Легко сформулировать весьма ясный общий принцип. - The general principle is quite clear and easy to state.• Метод основывается на принципе, что... - This method is based on the principle that...• Одно приложение данного принципа является особенно важным. - One application of this principle is especially important.• Оказывается, что эти же самые общие принципы применяются независимо от того, действительно ли... - It appears that these same general principles apply regardless of whether...• Отметим, что основные черты данного принципа состоят в... - The principal features to note are...• По крайней мере в принципе это позволяет нам (сказать и т. п.)... - At least in principle, this enables us to...• Подобные принципы доказали свою полезность при проектировании... - Similar principles prove helpful in the design of...• Полностью оценить смысл данного принципа можно лишь после того, как у нас имеется... - The full meaning of this principle can be appreciated only after we have...• Поучительно проверить этот результат, начиная с изначальных принципов. - It is instructive to verify this result from first principles.• Предыдущее описание просто иллюстрирует принцип... - The above description merely illustrates the principle of...• Предыдущие примеры иллюстрируют общий принцип, что... - The preceding examples illustrate the general fact that...• Применяя принцип виртуальных работ, мы... - By applying the principle of virtual work we...• Таким образом, в принципе необходимо только... - Thus, in principle at least, it is only necessary to...• Те же самые общие принципы выполняются, когда... - The same general principles hold when...• Теперь мы рассмотрим несколько фундаментальных принципов... - We now turn to several fundamental principles...• Тот же самый принцип применяется, когда... - The same principle applies when...• Третий пример иллюстрирует основной принцип, что... - Example 3 illustrates the general principle that...• Этот принцип был применен при производстве... - This principle has been applied to the manufacture of... -
3 используя
using, if we use, with the aid of• Лучшие приближения к х можно получить, используя... - Better approximations to х can by obtained by using...• Давайте рассмотрим этот вопрос, используя специальные примеры. - Let us approach this question by means of specific examples.• Используя (1), мы далее видим, что... - We thus see, with the aid of (1), that...• Используя более точную аппроксимацию, обнаружили, что... - When a more accurate approximation is used, it is found that...• Используя данный метод, хорошо помнить, что... - In using this method it is well to remember that...• Используя данный подход... - Following this line of attack...• Используя любой подобный метод, необходимо (помнить и т. п.)... - With any method such as this it is necessary to...• Используя настоящую технику, мы можем... - With the present technique, it is possible to...• Используя определения F и G, легко показать, что... - It is a simple matter, using the definitions of F and G, to show that...• Используя подобные формулы, можно... - Using such formulae, it is possible to...• Используя принцип виртуальных работ, мы... - By applying the principle of virtual work we...• Используя результат (10), мы видим, что... - Making use of the result (10) we see that...• Используя соотношение (3) между х и у, можно записать... - Making use of the relation between x and у given by (3), one may write...• Используя соотношение (3.2), мы получаем... - Making use of relation (3.2), we get...• Используя тот же метод, мы можем записать... - In the same vein we can write...• Используя эти соотношения, мы легко можем показать по индукции, что... - From these relations we can easily show by induction that...• Используя этот новый метод, мы можем... - By this new method it will be possible to...• Используя этот результат, мы можем... - With this result we can... ,• Используя этот результат, мы можем заключить... - With the help of this result we can deduce...• Используя эту простую задачу, мы можем проиллюстрировать... - With this simple problem we will be able to illustrate...• Используя эту технику, можно (показать и т. п.)... - Using this technique, it is possible to...• Как легко показать используя..., этим можно полностью пренебречь. - It is utterly negligible, as we can easily show by...• Мы удалим данную трудность, используя... - We remove this difficulty by using...• Очевидно, данный результат мог бы быть получен, не используя... - Obviously this result could have been obtained without the use of...• Подходящая (= удовлетворительная) теория может быть развита, используя... - A satisfactory theory can be developed using...• Позднее мы более серьезно займемся изучением (данной проблемы), используя... - A better treatment will be given later with the aid of...• Поучительно решить этот пример, используя... - It is instructive to solve this example by means of...• Это можно было бы легко показать, используя условие, что... - This may be shown readily by employing the condition that...• Это преобразование можно также произвести графически, используя... - This transformation may also be performed graphically using...• Это решение можно получить наиболее просто, используя... - The solution is most readily obtained by the use of...• Этого можно достигнуть, используя... - This can be achieved by the use of...• Этой ошибки можно было бы избежать, используя... - This error could be avoided by using... -
4 использовать принцип
•By applying the principle of the flux trap, magnetic energy may be stored indefinitely in the magnetic coils.
* * *Использовать принцип-- The passage amply illustrated his concern to apply scientific principles to engineering systems.Русско-английский научно-технический словарь переводчика > использовать принцип
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5 использовать принцип
•By applying the principle of the flux trap, magnetic energy may be stored indefinitely in the magnetic coils.
Русско-английский научно-технический словарь переводчика > использовать принцип
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6 используя принцип
Mathematics: by applying the principle (of virtual work we...) -
7 Cockerell, Christopher Sydney
[br]b. 4 June 1910 Cambridge, England[br]British designer and engineer who invented the hovercraft.[br]He was educated at Gresham's School in Holt and at Peterhouse College, Cambridge, where he graduated in engineering in 1931; he was made an Honorary Fellow in 1974. Cockerell entered the engineering firm of W.H.Allen \& Sons of Bedford as a pupil in 1931, and two years later he returned to Cambridge to engage in radio research for a further two years. In 1935 he joined Marconi Wireless Telegraph Company, working on very high frequency (VHF) transmitters and direction finders. During the Second World War he worked on airborne navigation and communication equipment, and later he worked on radar. During this period he filed thirty six patents in the fields of radio and navigational systems.In 1950 Cockerell left Marconi to set up his own boat-hire business on the Norfolk Broads. He began to consider how to increase the speed of boats by means of air lubrication. Since the 1870s engineers had at times sought to reduce the drag on a boat by means of a thin layer of air between hull and water. After his first experiments, Cockerell concluded that a significant reduction in drag could only be achieved with a thick cushion of air. After experimenting with several ways of applying the air-cushion principle, the first true hovercraft "took off" in 1955. It was a model in balsa wood, 2 ft 6 in. (762 mm) long and weighing 4½ oz. (27.6 g); it was powered by a model-aircraft petrol engine and could travel over land or water at 13 mph (20.8 km/h). Cockerell filed his first hovercraft patent on 12 December 1955. The following year he founded Hovercraft Ltd and began the search for a manufacturer. The government was impressed with the invention's military possibilities and placed it on the secret list. The secret leaked out, however, and the project was declassified. In 1958 the National Research and Development Corporation decided to give its backing, and the following year Saunders Roe Ltd with experience of making flying boats, produced the epoch-making SR N1, a hovercraft with an air cushion produced by air jets directed downwards and inwards arranged round the periphery of the craft. It made a successful crossing of the English Channel, with the inventor on board.Meanwhile Cockerell had modified the hovercraft so that the air cushion was enclosed within flexible skirts. In this form it was taken up by manufacturers throughout the world and found wide application as a passenger-carrying vehicle, for military transport and in scientific exploration and survey work. The hover principle found other uses, such as for air-beds to relieve severely burned patients and for hover mowers.The development of the hovercraft has occupied Cockerell since then and he has been actively involved in the several companies set up to exploit the invention, including Hovercraft Development Ltd and British Hovercraft Corporation. In the 1970s and 1980s he took up the idea of the generation of electricity by wavepower; he was Founder of Wavepower Ltd, of which he was Chairman from 1974 to 1982.[br]Principal Honours find DistinctionsKnighted 1969. CBE 1955. FRS 1967.LRDBiographical history of technology > Cockerell, Christopher Sydney
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8 Le Chatelier, Henri Louis
SUBJECT AREA: Metallurgy[br]b. 8 November 1850 Paris, Franced. 17 September 1926 Miribel-les-Echelle, France[br]French inventor of the rhodium—platinum thermocouple and the first practical optical pyrometer, and pioneer of physical metallurgy.[br]The son of a distinguished engineer, Le Chatelier entered the Ecole Polytechnique in 1869: after graduating in the Faculty of Mines, he was appointed Professor at the Ecole Supérieure des Mines in 1877. After assisting Deville with the purification of bauxite in unsuccessful attempts to obtain aluminium in useful quantities, Le Chatelier's work covered a wide range of topics and he gave much attention to the driving forces of chemical reactions. Between 1879 and 1882 he studied the mechanisms of explosions in mines, and his doctorate in 1882 was concerned with the chemistry and properties of hydraulic cements. The dehydration of such materials was studied by thermal analysis and dilatometry. Accurate temperature measurement was crucial and his work on the stability of thermocouples, begun in 1886, soon established the superiority of rhodium-platinum alloys for high-temperature measurement. The most stable combination, pure platinum coupled with a 10 per cent rhodium platinum positive limb, became known as Le Chatelier couple and was in general use throughout the industrial world until c. 1922. For applications where thermocouples could not be used, Le Chatelier also developed the first practical optical pyrometer. From hydraulic cements he moved on to refractory and other ceramic materials which were also studied by thermal analysis and dilatometry. By 1888 he was systematically applying such techniques to metals and alloys. Le Chatelier, together with Osmond, Worth, Genet and Charpy, was a leading member of that group of French investigators who established the new science of physical metallurgy between 1888 and 1900. Le Chatelier was determining the recalescence points in steels in 1888 and was among the first to study intermetallic compounds in a systematic manner. To facilitate such work he introduced the inverted microscope, upon which metallographers still depend for the routine examination of polished and etched metallurgical specimens under incident light. The principle of mobile equilibrium, developed independently by Le Chatelier in 1885 and F.Braun in 1886, stated that if one parameter in an equilibrium situation changed, the equilibrium point of the system would move in a direction which tended to reduce the effect of this change. This provided a useful qualitative working tool for the experimentalists, and was soon used with great effect by Haber in his work on the synthesis of ammonia.[br]Principal Honours and DistinctionsGrand Officier de la Légion d'honneur. Honorary Member of the Institute of Metals 1912. Iron and Steel Institute Bessemer Medal.Further ReadingF.Le Chatelier, 1969, Henri Le Chatelier.C.K.Burgess and H.L.Le Chatelier, The Measurement of High Temperature.ASDBiographical history of technology > Le Chatelier, Henri Louis
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9 general
A n1 Mil général m ; general of the army/air force US général d'armée/d'armée aérienne ; to make sb a general nommer qn général ; General Franco le général Franco ; yes, general à vos ordres, mon général ;2 the general and the particular le général et le particulier.B adj1 ( widespread) [interest, concern, approval, effort, feeling, opinion, chaos, ban, paralysis] général ; [reaction, response] répandu ; to be a general favourite être apprécié de tous ; in general use [word, term] d'usage courant ; [equipment] d'utilisation courante ;2 ( overall) [condition, appearance, standard, rise, fall, decline, impression] général ; [attitude, behaviour] dans l'ensemble ; to improve one's general fitness améliorer sa forme ; do you get the general idea? tu vois? that's the general idea en gros, c'est ça l'idée ; the general plan is to do en gros, le plan c'est de faire ;3 (rough, usually applying) [rule, principle, axiom, conclusion] général ; as a general rule en règle générale ;4 ( not detailed or specific) [description, statement, information] général ; [promise, assurance] vague ; to talk in general terms parler en termes généraux ; a general discussion about une discussion d'ensemble sur ; to keep the conversation general maintenir la conversation sur des sujets d'intérêt général ; to give sb a general idea of donner à qn une idée d'ensemble de ; to head in the general direction of aller en direction de ;5 ( not specialized) [medicine, linguistics] général ; [programme, magazine] d'intérêt général ; [user, reader] moyen/-enne ; [store, shop, dealer] qui vend de tout ; general office duties travail m de bureau ; general assistant employé/-e m/f de bureau ;6 ( miscellaneous) [category, index, enquiry, expenses] général ; we sell general antiques nous vendons toutes sortes d'antiquités ;7 (usual, normal) [practice, method, routine] général ; in the general way of things en règle générale ; the general run of people le grand public.1 ( usually or non-specifically) en général ; in general I like the theatre, but… en général j'aime le théâtre, mais… ; adults in general and parents in particular les adultes en général et les parents en particulier ; he is fed up with life in general il en a assez de la vie en général ;2 (overall, mostly) dans l'ensemble ; in general it seems quite simple dans l'ensemble cela paraît assez simple. -
10 применяя
•By applying (or using) the principle of the flux trap, magnetic energy may be stored indefinitely.
Русско-английский научно-технический словарь переводчика > применяя
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11 закон сохранения
Закон сохранения (массы)-- Applying the conservation of mass principle to the subcooled region yields -rAdh < t > dt = mt -- ml.Русско-английский научно-технический словарь переводчика > закон сохранения
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12 pour
pour [puʀ]━━━━━━━━━1. preposition━━━━━━━━━1. <a. ( = en faveur de) for• tu en as pour combien de temps ? how long are you going to be?• ne m'attendez pas, j'en ai encore pour une heure don't wait for me, I'll be another hourd. ( = à la place de) for• c'est bien trop cher pour ce que c'est ! it's far too expensive for what it is!• pour un Anglais, il parle bien le français he speaks French well for an Englishmanf. (intention, but) for• c'est fait pour ! (inf) that's what it's meant for!► pour + infinitif to• ce n'est pas pour arranger les choses this isn't going to help matters► pour que + subjonctif so that• écris vite ta lettre pour qu'elle parte ce soir write your letter quickly so that it will go this eveningg. (cause) pour quelle raison ? for what reason?• pourquoi se faire du souci pour ça ? why worry about that?► pour + infinitif passé• elle a été punie pour avoir menti she was punished for lying► pour peu que + subjonctif• pour peu qu'il ait un peu bu, il va raconter n'importe quoi if he's had even the smallest drink he'll say anythingh. ( = du point de vue de, concernant) pour moi, elle était déjà au courant if you ask me, she already knew• et pour les billets, c'est toi qui t'en charges ? so, you'll take care of the tickets, will you?i. ( = en échange de) donnez-moi pour 20 € de cerises give me 20 euros' worth of cherries, please• il l'a eu pour 10 € he got it for 10 euros• j'en ai eu pour 50 € de photocopies it cost me 50 euros to do the photocopiesj. ( = comme) as• pour un sale coup, c'est un sale coup ! (inf) of all the awful things to happen!• pour une surprise, c'est une surprise ! this really is a surprise!2. <* * *
I puʀ1) ( indiquant le but) topour cela, il faudra faire — to do that, you'll have to do
c'était pour rire or plaisanter — it was a joke
il est seul mais il a tout fait pour — (colloq) he's on his own, but it's entirely his own doing
c'est fait or étudié pour! — (colloq) ( c'est sa fonction) that's what it's for
2) ( indiquant une destination) for3) ( en ce qui concerne)c'est bien payé mais pour la sécurité de l'emploi... — the pay is good but as regards job security...
oui, c'est pour quoi? — yes, what is it?
pour moi, il a tort — as far as I am concerned, he's wrong
4) ( en faveur de) forje suis pour — (colloq) I'm in favour [BrE]
être pour quelque chose/faire quelque chose — gén to be in favour [BrE] of something/doing something
5) ( avec une indication de temps) for6) ( comme)7) ( à la place de) for8) ( à son avantage)‘il te parlera du Japon’ - ‘pour ce que ça m'intéresse!’ — ‘he'll talk to you about Japan’ - ‘I can't say I'm very interested’
10) ( marquant l'emphase)pour être intelligente, ça elle l'est! — she really is intelligent!, intelligent she certainly is!
11) ( indiquant une quantité)il n'en a plus pour longtemps — ( mourant) he doesn't have long to live
12) ( indiquant une cause) for13) ( introduisant une proportion)
II puʀnom masculin
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pour + verbeLorsque pour sert à indiquer un but il se traduit généralement par to devant un verbe à l'infinitif: sortir pour acheter un journal = to go out to buy a newspaper; pour faire des meringues, il faut des oeufs = to make meringues, you need eggsIl peut également se traduire par in order to, qui est plus soutenu: pour mettre fin aux hostilités = in order to put an end to hostilitiesQuand pour est suivi d'une forme négative, il se traduira par so as not to ou in order not to: pour ne pas oublier = so as not to forget; pour ne pas rater le train = so as not to miss the train, in order not to miss the trainLorsque pour relie deux actions distinctes sans relation de cause à effet, il sera traduit par and et le verbe conjugué normalement: elle s'endormit pour se réveiller deux heures plus tard = she fell asleep and woke up two hours later. Quand la deuxième action n'est pas souhaitable ou qu'une notion de hasard malheureux est sous-entendue, on traduira par only to: she fell asleep only to wake up two hours later; il partit à la guerre pour se faire tuer trois jours plus tard = he went off to war only to be killed three days laterpour + nom ou pronomLorsque pour sert à indiquer la destination au sens large il se traduit généralement par for: le train pour Pau = the train for Pau; pour vendredi = for Friday; il travaille pour elle = he works for herLorsque pour signifie en ce qui concerne, il se traduira le plus souvent par about: tu te renseignes pour une assurance voiture/pour samedi? = will you find out about car insurance/about Saturday?Attention: pour placé en début de phrase se traduira par as regards: pour l'argent, rien n'est décidé = as regards the money, nothing has been decided ou nothing has been decided about the moneyLorsque pour signifie comme il se traduit souvant par as: je l'ai eu pour professeur = I had him as a teacherLorsque pour relie un terme redoublé il se traduit parfois par for: mot pour mot = word for word; mais ce n'est pas toujours le cas: jour pour jour = to the day. On se reportera au nom dans le dictionnaire* * *puʀ1. prép1) (destination, finalité) forC'est un cadeau pour toi. — It's a present for you.
pour faire qch — to do sth, in order to do sth
Je lui ai téléphoné pour l'inviter. — I phoned him to invite him.
J'ai ajouté une cornière pour consolider l'ensemble. — I added a bracket to make it all a bit stronger.
pour aller à Strasbourg, s'il vous plaît? — which way is it to Strasbourg, please?
Je lui ai prêté mon pull pour qu'elle n'ait pas froid. — I lent her my jumper so that she wouldn't be cold.
pour moi (= à mon avis) — in my view, (= pour ma part) for my part, personally
Pour moi, il ne dit pas toute la vérité. — In my view he's not telling the whole truth.
Pour moi, je vais dorénavant être plus prudent. — For my part, I shall be more cautious from now on.
3) (cause) forOn l'a mis en prison pour un délit mineur. — He was jailed for a minor offence.
Il a été critiqué pour avoir posé sa candidature. — He was criticized for applying.
4) (concession)pour riche que... — rich though...
5) (proportion)pour 100 euros de... — 100 euros' worth of...
Donnez-moi pour 20 euros d'essence. — Give me 20 euros' worth of petrol.
2. nm(= avantage)* * *I.pour ⇒ Note d'usage prép1 ( indiquant le but) to; pour cela, il faudra faire to do that, you'll have to do; pour bien faire il faudrait partir tôt to be really sure we should leave early; c'était pour rire or plaisanter it was a joke; il est seul mais il a tout fait pour○ he's on his own, but it's entirely his own doing; pour que so that; que faire pour qu'elle comprenne? how can we get her to understand?; pour ainsi dire so to speak; quelque chose pour le mal de tête/le rhume something for headaches/colds; c'est fait or étudié pour○! ( c'est sa fonction) that's what it's for; bien sûr tu peux en manger, c'est fait pour! of course you can eat some, that's what it's there for!;2 ( indiquant une destination) for; le train pour Paris ( prêt à partir) the train for Paris; ( plus général) the train to Paris; l'avion pour Paris the Paris plane, the plane to Paris; c'est le train pour où? where does this train go?; il faut une heure pour Oloron it's an hour to Oloron;3 ( en ce qui concerne) j'ai choisi le sujet d'étude mais pour l'université je ne sais pas encore I've decided on my subject but as regards the university I'm not sure yet ou but I'm not sure about the university yet; c'est bien payé mais pour la sécurité de l'emploi… the pay is good but as regards job security ou as far as job security goes…; oui, c'est pour quoi? yes, what is it?; ( plus poli) yes, what can I do for you?; pour moi, il a tort as far as I am concerned, he's wrong; qu'est-il pour toi, un ami? how do you see him? as a friend?;4 ( en faveur de) for; voter pour un candidat to vote for a candidate; 120 voix pour et 95 contre 120 votes for and 95 against; c'est pour la recherche contre le cancer it's for ou in aid of cancer research; je suis pour○ I'm in favourGB; être pour qch/faire qch gén to be in favourGB of sth/doing sth; je suis pour que Catherine reste I'm in favourGB of Catherine staying; je suis pour les Verts I'm for the ecologists; je suis pour Paris Sport I support Paris;5 ( avec une indication de temps) for; ce sera prêt pour vendredi? will it be ready for ou by Friday?; pour plus tard/aujourd'hui for later/today; pour toujours forever; pour le moment or l'instant for the moment, for the time being; le bébé/le baptême c'est pour quand? when is the baby due/the christening?;6 ( comme) elle a pour ambition d'être pilote her ambition is to be a pilot; elle a pour principe de ne jamais emprunter de l'argent it's a rule with her ou it's one of her principles never to borrow money; ils ont pour habitude de déjeuner tard they usually have a late lunch; n'avoir pour toute arme qu'un bâton to be armed only with a stick; il n'avait qu'un pantalon pour tout vêtement he was wearing nothing but a pair of trousers GB ou pants US;7 ( à la place de) for; écrire qch pour qch to write sth instead of sth; je l'ai pris pour plus bête qu'il n'est I thought he was more stupid than he really is; je suis ici pour ma collègue I'm here in place of my colleague;8 ( à son avantage) elle avait pour elle de savoir écouter/la patience she had the merit of being a good listener/being patient;9 ( introduisant une concession) pour intelligent qu'il soit intelligent though he may be; ‘il te parlera du Japon’-‘pour ce que ça m'intéresse!’ ‘he'll talk to you about Japan’-‘I can't say I'm very interested’; pour peu qu' il y ait du monde sur la route nous serons en retard there only has to be a bit of traffic and we'll be late; pour autant que je sache as far as I know;10 ( marquant l'emphase) pour être intelligente, ça elle l'est! she really is intelligent!, intelligent she certainly is!;11 ( indiquant une quantité) j'ai mis pour 50 euros d'essence I've put in 50 euros' worth of petrol GB ou gas US; merci pour tout thank you for everything; pleurer pour un rien to cry over nothing; s'inquiéter pour un rien to fret about nothing; je n'y suis pour rien I had nothing to do with it; ne t'inquiète pas pour si peu don't worry about a little thing like that; tu y es bien pour quelque chose si elle est malheureuse if she's miserable, it has certainly got something to do with you; il y est pour beaucoup si elle est malheureuse if she's miserable, he's largely to blame; elle y est pour beaucoup s'il a réussi if he has succeeded a lot of the credit should go to her; je n'en ai pas pour longtemps it won't take long; il n'en a plus pour longtemps ( mourant) he doesn't have long to live; j'en ai encore pour deux heures it'll take another two hours; j'en ai pour une minute it'll only take a minute;12 ( indiquant une cause) for; se battre pour une femme to fight over a woman; être battu pour avoir menti to be beaten for lying; ⇒ oui;13 ( introduisant une proportion) dix pour cent ten per cent; pour 250 employés, seulement 28 sont des femmes out of 250 employees only 28 are female; une cuillère de vinaigre pour quatre d'huile one spoonful of vinegar to four of oil; pour une large part to a large extent.II.[pur] préposition1. [indiquant le lieu où l'on va] forun billet pour Paris a ticket for ou to Paris2. [dans le temps - indiquant le moment] forpourriez-vous avoir fini pour lundi/demain? could you have it finished for Monday/tomorrow?[indiquant la durée] forb. [à vivre] he hasn't got long to live3. [exprimant la cause]il est tombé malade pour avoir mangé trop d'huîtres he fell ill after eating ou because he ate too many oysterssa bonne constitution y est pour quelque chose his strong constitution had something to do with ou played a part in itelle est pour beaucoup dans le succès de la pièce the success of the play is to a large extent due to her, she has had a great deal to do with the success of the playne me remerciez pas, je n'y suis pour rien don't thank me, I didn't have anything to do with it4. [exprimant la conséquence] toil a erré trois heures en forêt pour se retrouver à son point de départ he wandered for three hours in the forest, only to find he was back where he'd started from5. [capable de]je me suis trompé et il ne s'est trouvé personne pour me le dire I made a mistake and nobody was capable of telling me6. [par rapport à] for7. [avec une valeur emphatique]pour un champion, c'est un champion! that's what I call a (real) champion!perdre pour perdre, autant que ce soit en beauté if we are going to lose, we might as well do it in stylepour être en colère, je l'étais! I was so angry!8. [indiquant une proportion, un pourcentage] peril faut 200 g de farine pour une demi-livre de beurre take 200 g of flour to ou for half a pound of butter9. [moyennant]10. [à la place de] forpour le directeur [dans la correspondance] pp Director12. [en guise de, en qualité de]prendre quelqu'un pour époux/épouse to take somebody to be one's husband/wifeavoir quelqu'un pour ami/professeur to have somebody as a friend/teacherj'ai pour principe que... I believe on principle that...le livre a pour titre... the book's title is..., the book is entitled...13. [indiquant l'attribution, la destination, le but] formes sentiments pour elle my feelings towards ou for herc'est pour quoi faire, ce truc? what's that thing for?a. [recette] serves 4b. [couchage] sleeps 414. (suivi de l'infinitif) [afin de] (in order) toje suis venu pour vous voir I'm here ou I've come to see yousi tu veux réussir, il faut tout faire pour if you want to succeed you have to do everything possiblevoter pour quelqu'un to vote for ou in favour of somebody16. [du point de vue de]ça compte peu pour toi, mais pour moi c'est tellement important it matters little to you but to ou for me it's so importantpour moi, il a dû se réconcilier avec elle if you ask me, he must have made it up with her17. [en ce qui concerne]pour certains de nos collègues, la situation est inchangée as far as some of our colleagues are concerned, the situation has not changedpour ce qui est de l'avancement, voyez avec le responsable du personnel as far as promotion is concerned, see the personnel officer18. (soutenu) [exprimant la concession]pour être jeune, elle n'en est pas moins compétente young though she is she's very able[en corrélation avec 'que']pour patient qu'il soit, il ne supportera pas cette situation for all his patience, he won't put up with this situationil était pour partir he was about to leave ou on the point of leaving————————[pur] nom masculin invariableles pour l'emportent POLITIQUE (humoristique) the argument in favour is overwhelming, the ayes have it————————pour que locution conjonctivej'ai pris des places non-fumeurs pour que vous ne soyez pas incommodés par la fumée I've got non-smoking seats so that you won't be bothered by the smoke2. [exprimant la conséquence] -
13 Hero of Alexandria
SUBJECT AREA: Architecture and building, Mechanical, pneumatic and hydraulic engineering, Photography, film and optics, Steam and internal combustion engines[br]fl. c.62 AD Alexandria[br]Alexandrian mathematician and mechanician.[br]Nothing is known of Hero, or Heron, apart from what can be gleaned from the books he wrote. Their scope and style suggest that he was a teacher at the museum or the university of Alexandria, writing textbooks for his students. The longest book, and the one with the greatest technological interest, is Pneumatics. Some of its material is derived from the works of the earlier writers Ctesibius of Alexandria and Philo of Byzantium, but many of the devices described were invented by Hero himself. The introduction recognizes that the air is a body and demonstrates the effects of air pressure, as when air must be allowed to escape from a closed vessel before water can enter. There follow clear descriptions of a variety of mechanical contrivances depending on the effects of either air pressure or heated gases. Most of the devices seem trivial, but such toys or gadgets were popular at the time and Hero is concerned to show how they work. Inventions with a more serious purpose are a fire pump and a water organ. One celebrated gadget is a sphere that is set spinning by jets of steam—an early illustration of the reaction principle on which modern jet propulsion depends.M echanics, known only in an Arabic version, is a textbook expounding the theory and practical skills required by the architect. It deals with a variety of questions of mechanics, such as the statics of a horizontal beam resting on vertical posts, the theory of the centre of gravity and equilibrium, largely derived from Archimedes, and the five ways of applying a relatively small force to exert a much larger one: the lever, winch, pulley, wedge and screw. Practical devices described include sledges for transporting heavy loads, cranes and a screw cutter.Hero's Dioptra describes instruments used in surveying, together with an odometer or device to indicate the distance travelled by a wheeled vehicle. Catoptrics, known only in Latin, deals with the principles of mirrors, plane and curved, enunciating that the angle of incidence is equal to that of reflection. Automata describes two forms of puppet theatre, operated by strings and drums driven by a falling lead weight attached to a rope wound round an axle. Hero's mathematical work lies in the tradition of practical mathematics stretching from the Babylonians through Islam to Renaissance Europe. It is seen most clearly in his Metrica, a treatise on mensuration.Of all his works, Pneumatics was the best known and most influential. It was one of the works of Greek science and technology assimilated by the Arabs, notably Banu Musa ibn Shakir, and was transmitted to medieval Western Europe.[br]BibliographyAll Hero's works have been printed with a German translation in Heronis Alexandrini opera quae supersunt omnia, 1899–1914, 5 vols, Leipzig. The book on pneumatics has been published as The Pneumatics of Hero of Alexandria, 1851, trans. and ed. Bennet Wood-croft, London (facs. repr. 1971, introd. Marie Boas Hall, London and New York).Further ReadingA.G.Drachmann, 1948, "Ktesibios, Philon and Heron: A Study in Ancient Pneumatics", Acta Hist. Sci. Nat. Med. 4, Copenhagen: Munksgaard.T.L.Heath, 1921, A History of Greek Mathematics, Oxford (still useful for his mathematical work).LRD -
14 Jacking
A special process applied to the finishing of cotton cloth. It is an extension of the beetling and chasing principle and done by applying pressure through a series of folds of cloth, which is first calendered and then rolled up into a batch between two bowls, and sustaining the pressure between them. ———————— The operation of stretching the yam by running the mule carriage out after a delivery of yarn.
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