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21 glacier
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22 glacier
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23 glacier
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24 differential
дифференциал; дифференциальный механизм; дифференциальная передача; перепад (давления, температуры); разность (давлений, температур); порог срабатывания (фотоэлектрической системы); II дифференциальный; разностный- differential absorption - differential absorption coefficient - differential absorption lidar - differential absorption method - differential absorption spectroscopy - differential action - differential adjusting wrench - differential aeration - differential aeration corrosion - differential amplifier - differential amplitude discriminator - differential analyser - differential annealing - differential band drive - differential barometer- bearer- differential bevel pinion - differential cable mechanism - differential cage - differential calculus - differential calorimeter - differential cam mechanism - differential capacitance - differential capacitivity - differential capacitor - differential change gear - differential change gear train - differential comparator - differential compound excitation - differential compounding - differential computing potentiometer - differential condensation - differential conductivity - differential connection - differential constraint - differential control - differential control crank - differential control method - differential corrosion - differential coupling - differential crown wheel - differential current protection - differential curve - differential cylinder - differential delay - differential detector - differential diffraction factor - differential distillation - differential drive - differential dynamometer - differential edge-runners - differential engine - differential fault - differential fill-up shoe - differential gear - differential gear train - differential head - differential head meter - differential heating - differential hold - differential lock - differential lock clutch - differential lock valve - differential locking device - differential locking jaw - differential master gear - differential motion - differential of function - differential phase - differential pinion - differential pinion shaft - differential piston - differential planetary gear reduction - differential pressure - differential pressure gauge - differential pressure control valve - differential pressure pickup - differential pressure valve - differential pulley - differential pulley block - differential rate - differential ring gear - differential rolling bit - differential screw - differential screw coupling - differential screw jack - differential separation - differential side gear - differential spider - differential spider pinion - differential transmission - differential valve - differential weight indicator - differential winding - bell-type differential pressure gage - cooling differential - cross-axle differential - cylindrical gear differential - double reduction differential - exact differential - fixed differential - gearless differential - harmonic differential - heat differential - high-traction differential - inexact differential - inter-axle differential - interior differential needle valve - limited slip differential - limited-slip differential gear - linear differential - lock differential link - locking differential - master differential - mechanical differential - nonequalizing differential - ordinary differential - partial differential - pitch line differential - planetary differential - power-dividing differential - power-proportioning differential - pressure differential - pressure differential unloading - pressure-lubricated differential - quadratic differential - rack-type differential - rear-axle differential - remote differential pressure gage - remote-control differential pressure gage - screw differential - self-acting differential pressure regulator - self-locking differential - spur differential - spur gear differential - time differential - torque proportioning differential - total differential - transverse differential protection - viscous differential -
25 field
1) поле || полевой2) магн. наряжённость поля3) участок; область5) полигр. фон; грунт6) горн. прииск; месторождение7) горн. промысел || промысловый8) матем. тело; поле10) полевой; эксплуатационный•- algebraically complete field - axisymmetric field - base field - basic field - completely valuated field - field of algebraic numbers - fully ordered field - fully ramified field - gross field - guiding magnetic field - linear transformation field - locally compact ultrametric field - locally finite field - purely unseparable field - strictly monotone field - strongly isomorphic field - topologized algebraic field - totally imaginary field - totally ramified field - totally real fieldfield with a valuation — поле с оценкой, поле с нормой; метризованное поле
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26 matrix
1) мат. матрица || матричный2) форма, шаблон4) растр5) решётка6) таблица7) геол. материнская порода, основная масса ( породы)8) основа кристаллического вещества; кристаллическая решётка•- absolutely equivalent matrices - adjoint matrices - almost perfect matrix - almost periodic matrix - almost superdiagonal matrix - associative matrix - birth-death coefficient matrix - cocycle matrix - commutative matrix - commute matrices - commuting matrix - complex conjugate matrix - compound matrix - conjunctive matrices - consistently ordered matrix - constituent matrices - deficient matrix - doubly degenerated matrix - doubly stochastic matrix - encoding matrix - essentially positive matrix - magnetic core matrix - matrix of linear transformation - multiplicatively cogredient matrix - multiply degenerate matrix - mutually consistent matrices - nearly triangular matrix - negatively semidefinite matrix - nonnegatively semidefinite matrix - orthogonally similar matrices - positively definite matrix - positively semidefinite matrix - regularly partitioned matrix - strictly upper triangular matrix - strongly equivalent matrices - totally nonnegative matrix - totally positive matrix - totally unimodular matrix - uniformly tapered matrix - vertex incidence matrix - vertically symmetrical matrix - weakly cyclic matrix -
27 system
1) система; комплекс2) совокупность•- absolutely consistent system - absolutely direct indecomposable system - absolutely free system - absolutely irreducible system - absolutely isolated system - allowable coordinate system - almost linear system - ample linear system - artificial feel system - automatic block system - automatic deicing system - binary relational system - binary-coded decimal system - block tooling system - Cartesian coordinate system - completely controllable system - completely ergodic system - completely hyperbolic system - completely identifiable system - completely integrable system - completely irreducible system - completely regular system - completely stable system - completely stratified system - complex number system - conical coordinate system - derivational formal system - differential equation system - differential selsyn system - digital counting system - digital transmission system - elliptic coordinate system - elliptic cylindrical coordinate system - externally inconsistent system - finite state system - finitely axiomatizable system - finitely presented system - fully characteristic quotient system - fundamental system of solutions - hydraulic lift system - integrated switching system - isomorphically embedded system - kernel normal system - linearly dependent system - linearly independent system - live hydraulic system - locking protection system - meteor-burst communication system - modular programming system - parabolic cylindrical coordinate system - permanent four-wheel drive system - pure independent system - radio telephone system - reactor protection system - real number system - receiver-amplifier crioelectric system - remote-cylinder hydraulic system - semantically consistent system - simply consistent system - simply incomplete system - simply ordered system - spherical coordinate system - strongly multiplicative system - structurally stable system - sufficiently general coordinate system - system of frequency curves - system of rational numbers - time multiplex system - time-division multiplex system - uniformly complete system - univalent system of notation - universal system of notation - weakly closed system - weighted number system -
28 table
1) стол || настольный2) планшет3) плита4) площадка5) расписание6) сводка7) таблица || составлять таблицу8) стенд9) табель10) табличный•- full contingency table - ground water table - intraclass correlation table - table of normal distribution - table of shuffled tableto set up а plane table — геод. устанавливать мензулу на местности
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29 contingency
(a) (possibility) éventualité f, contingence f;∎ to provide for all contingencies parer à toute éventualité(c) (in statistics) contingence f(plan) d'urgence; (table, coefficient) des imprévusFinance frais mpl divers►► Law contingency fee = aux États-Unis, principe permettant à un avocat de recevoir une part des sommes attribuées à son client si ce dernier gagne son procès;Finance contingency fund fonds mpl de prévoyance;Finance contingency and loss provision provision f pour risques et charges;Accountancy contingency theory théorie f de la contingenceUn panorama unique de l'anglais et du français > contingency
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30 current
current ['kʌrənt]1 noun∎ the boat drifts with the current le courant fait dériver le bateau;∎ the currents of opinion les tendances fpl de l'opinion;∎ also figurative to go with the current suivre le courant;∎ figurative to go against the current aller à contre-courant;∎ to swim against the current nager contre le courant ou à contre-courant(a) (widespread) courant, commun;∎ the current theory la théorie actuelle;∎ it's in current use c'est d'usage courant;∎ words that are in current use des mots courants ou qui s'emploient couramment;∎ as current rumour has it, she… on dit qu'elle…, si l'on en croit les rumeurs, elle…∎ the current issue of this magazine le dernier numéro de cette revue;∎ the current month le mois courant ou en cours;∎ the current week la semaine en cours;∎ the current projects les projets en cours;∎ the current exhibition at the Louvre l'exposition qui a lieu en ce moment au Louvre;∎ his current girlfriend la fille avec qui il est en ce moment, sa copine du moment►► British current account Banking compte m courant; Stock Exchange liquidation f courante;l'actualité f, les questions fpl d'actualité(programme, magazine) d'actualités;Accountancy current assets actif m de roulement;Commerce & Finance current cost prix m courant ou du marché; Stock Exchange cours m instantané;Accountancy current cost accounting comptabilité f en coûts actuels;Accountancy current earnings bénéfices mpl de l'exercice, revenus mpl actuels;current events les événements mpl actuels, l'actualité f;Accountancy & Finance current expenses dépenses fpl de fonctionnement ou d'exploitation;Accountancy current financial year or American current fiscal year exercice m en cours;Accountancy current liabilities passif m exigible à court terme;Finance current rate of exchange cours m actuel du change;Accountancy current ratio coefficient m de liquidité;Accountancy current value valeur f actuelle;Accountancy current value accounting comptabilité f en valeur actuelle;Accountancy current year exercice m en cours;Finance current yield taux m de rendement courant -
31 Chevenard, Pierre Antoine Jean Sylvestre
SUBJECT AREA: Metallurgy[br]b. 31 December 1888 Thizy, Rhône, Franced. 15 August 1960 Fontenoy-aux-Roses, France[br]French metallurgist, inventor of the alloys Elinvar and Platinite and of the method of strengthening nickel-chromium alloys by a precipitate ofNi3Al which provided the basis of all later super-alloy development.[br]Soon after graduating from the Ecole des Mines at St-Etienne in 1910, Chevenard joined the Société de Commentry Fourchambault et Decazeville at their steelworks at Imphy, where he remained for the whole of his career. Imphy had for some years specialized in the production of nickel steels. From this venture emerged the first austenitic nickel-chromium steel, containing 6 per cent chromium and 22–4 per cent nickel and produced commercially in 1895. Most of the alloys required by Guillaume in his search for the low-expansion alloy Invar were made at Imphy. At the Imphy Research Laboratory, established in 1911, Chevenard conducted research into the development of specialized nickel-based alloys. His first success followed from an observation that some of the ferro-nickels were free from the low-temperature brittleness exhibited by conventional steels. To satisfy the technical requirements of Georges Claude, the French cryogenic pioneer, Chevenard was then able in 1912 to develop an alloy containing 55–60 per cent nickel, 1–3 per cent manganese and 0.2–0.4 per cent carbon. This was ductile down to −190°C, at which temperature carbon steel was very brittle.By 1916 Elinvar, a nickel-iron-chromium alloy with an elastic modulus that did not vary appreciably with changes in ambient temperature, had been identified. This found extensive use in horology and instrument manufacture, and even for the production of high-quality tuning forks. Another very popular alloy was Platinite, which had the same coefficient of thermal expansion as platinum and soda glass. It was used in considerable quantities by incandescent-lamp manufacturers for lead-in wires. Other materials developed by Chevenard at this stage to satisfy the requirements of the electrical industry included resistance alloys, base-metal thermocouple combinations, magnetically soft high-permeability alloys, and nickel-aluminium permanent magnet steels of very high coercivity which greatly improved the power and reliability of car magnetos. Thermostatic bimetals of all varieties soon became an important branch of manufacture at Imphy.During the remainder of his career at Imphy, Chevenard brilliantly elaborated the work on nickel-chromium-tungsten alloys to make stronger pressure vessels for the Haber and other chemical processes. Another famous alloy that he developed, ATV, contained 35 per cent nickel and 11 per cent chromium and was free from the problem of stress-induced cracking in steam that had hitherto inhibited the development of high-power steam turbines. Between 1912 and 1917, Chevenard recognized the harmful effects of traces of carbon on this type of alloy, and in the immediate postwar years he found efficient methods of scavenging the residual carbon by controlled additions of reactive metals. This led to the development of a range of stabilized austenitic stainless steels which were free from the problems of intercrystalline corrosion and weld decay that then caused so much difficulty to the manufacturers of chemical plant.Chevenard soon concluded that only the nickel-chromium system could provide a satisfactory basis for the subsequent development of high-temperature alloys. The first published reference to the strengthening of such materials by additions of aluminium and/or titanium occurs in his UK patent of 1929. This strengthening approach was adopted in the later wartime development in Britain of the Nimonic series of alloys, all of which depended for their high-temperature strength upon the precipitated compound Ni3Al.In 1936 he was studying the effect of what is now known as "thermal fatigue", which contributes to the eventual failure of both gas and steam turbines. He then published details of equipment for assessing the susceptibility of nickel-chromium alloys to this type of breakdown by a process of repeated quenching. Around this time he began to make systematic use of the thermo-gravimetrie balance for high-temperature oxidation studies.[br]Principal Honours and DistinctionsPresident, Société de Physique. Commandeur de la Légion d'honneur.Bibliography1929, Analyse dilatométrique des matériaux, with a preface be C.E.Guillaume, Paris: Dunod (still regarded as the definitive work on this subject).The Dictionary of Scientific Biography lists around thirty of his more important publications between 1914 and 1943.Further Reading"Chevenard, a great French metallurgist", 1960, Acier Fins (Spec.) 36:92–100.L.Valluz, 1961, "Notice sur les travaux de Pierre Chevenard, 1888–1960", Paris: Institut de France, Académie des Sciences.ASDBiographical history of technology > Chevenard, Pierre Antoine Jean Sylvestre
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