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1 кодовая геометрия
code geometry мат.Русско-английский научно-технический словарь Масловского > кодовая геометрия
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2 кодовая геометрия
Mathematics: code geometry -
3 коэффициент формы
1) Naval: form parameter, shape parameter2) Engineering: shape coefficient, shape factor3) Construction: configuration factor4) Mathematics: crest factor, shape form (кривой)5) Railway term: form-factor6) Automobile industry: form factor (зуба)7) Forestry: diameter quotient, diameter quotient (ствола), form quotient (ствола), form ratio (ствола), girth quotient (ствола)8) Metallurgy: mold ratio, mold ratio (отношение площади поперечного сечения формы к площади поперечного сечения отливки)9) Information technology: form factor (кривой), shape factor (кривой)10) Astronautics: form, view factor11) Silicates: shape factor (частиц)12) Metrology: form factor (кривой)13) Mechanics: shape quotient14) Automation: geometry factor15) Robots: form factor (признак распознаваемого объекта), shape coefficient (признак для распознавания объектов), shape quotient (характеристика объекта на изображении)16) Makarov: diameter quotient (лесоматериала), form coefficient, form factor (катушек индуктивности), form factor (напряжения, тока)17) Ballistics: coefficient of form, coefficient of ignorance18) General subject: compactness code (бассейна), form factor (бассейна), shape code -
4 в принципе
•Fundamentally, the giant planets differ from the Earth chiefly in that...
•The artificially induced mutations are in principle (or basically) of the same kind as the spontaneous ones.
•In principle, the capacitance of the reference condenser can be deduced from its geometry.
•The treatment of alluvial tin is not essentially different, though varying in detail.
* * *В принципе -- in principle; conceivably (по идее); theoretically, fundamentally (теоретически)In principle, measurement of steam quality using a light attenuation technique is quite simple. In reality, however, accomplishing this in a field turbine environment is quite difficult.The extent of such further measurements could conceivably involve a full code acceptance test.Русско-английский научно-технический словарь переводчика > в принципе
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5 евклидово-геометрический код
Mathematics: Euclidean geometry codeУниверсальный русско-английский словарь > евклидово-геометрический код
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6 проективно-геометрический код
Mathematics: projective geometry codeУниверсальный русско-английский словарь > проективно-геометрический код
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7 plan
I.plan1 [plɑ̃]1. masculine nouna. [de maison, machine, dissertation] plan ; [de ville, région] mapb. ( = surface) planec. (Cinema, photography) shotd. ( = niveau) level• au plan national/international at the national/international levele. ( = projet) plan• plan de relance or de redressement de l'économie economic recovery plan• laisser en plan (inf) [+ personne] to leave in the lurch ; [+ affaires, projet, travail] to abandon• c'est un super plan ! it's a great idea!2. compounds► plan d'eau ( = lac) lakeII.plan2, e [plɑ̃, plan]adjectivea. ( = plat) flat* * *
1.
plane plɑ̃, plan adjectif1) gén flat, even2) Mathématique, Physique plane
2.
nom masculin1) ( carte) (de ville, métro) map; ( dans un bâtiment) plan, map2) Architecture, Construction, Bâtiment plan3) ( de machine) ( schéma directeur) blueprint; ( après construction) plan4) Mathématique, Physique plane5) ( de dissertation) plansecond plan — middle-distance; gros
7) ( niveau) levelêtre relégué au second plan — [personne, problème] to be relegated to the background
de (tout) premier plan — [personnalité] leading (épith); [œuvre] key, major
8) ( projet) plan, programme [BrE]j'ai un bon plan (colloq) pour voyager pas cher — I know a good way of travelling [BrE] cheaply
c'est (pas) le bon plan — (colloq) it's (not) a good idea
•Phrasal Verbs:••laisser quelqu'un en plan — (colloq) to leave somebody in the lurch, to leave somebody high and dry
laisser quelque chose en plan — (colloq) to leave something unfinished
* * *plɑ̃, plan plan, -e1. adj(surface) flat2. nm1) (= carte) map2) (d'architecte) plan3) (= schéma directeur) plan4) (= projet personnel) plan5) * (= idée) idea6) (= point de vue)Sur le plan de l'équipement, cela laisse encore beaucoup à désirer. — As far as equipment is concerned, it still leaves a lot to be desired.
sur le plan sexuel — sexually, as far as sex is concerned
7) MATHÉMATIQUE plane8) CINÉMA shot9)* * *A adj1 gén [surface] flat, even;B nm1 ( carte) (de région, ville, métro) map; (dans bâtiment, domaine, paquebot) plan, map; je te fais un plan pour que tu ne te perdes pas I'll draw you a map so you won't get lost;2 Archit, Constr plan; tirer des plans to draw up plans; c'est lui qui a fait les plans de sa maison he drew up the plans for his house himself; acheter/vendre une maison sur plan to buy/sell a house on architect's plans;3 Ind, Tech (de machine, d'appareil) ( schéma directeur) blueprint; ( après construction) plan; les plans du nouvel avion de chasse the blueprint for the new fighter plane;5 ( canevas) outline, framework, plan; fais un plan au lieu de rédiger directement draw up a plan before you start writing; plan détaillé detailed plan;6 Cin, Phot ( image) shot; montage plan par plan shot-to-shot editing; premier plan foreground; second plan middle-distance; au premier plan in the foreground; au second plan in the middle distance; ⇒ gros;7 ( niveau) level; mettre deux personnes sur le même plan fig to put two people at the same level; cette question vient au premier plan de sa campagne électorale this issue is at the forefront of his electoral campaign; ce dossier est au premier plan de l'actualité this issue is front- page news ou is at the forefront of the news; être relégué au second plan [personne, problème] to be relegated to the background, to take a back seat; de (tout) premier plan [personnalité] leading ( épith); [œuvre] key, major; de second plan second-rate; sur le plan politique/économique/personnel from a political/an economic/a personal point of view, in political/economic/personal terms; sur le plan de l'efficacité from the point of view of efficiency, in terms of efficiency; au plan régional/national at regional/national level;8 ( projet) plan, programmeGB; un plan pour l'emploi a plan for employment, an employment programmeGB; un plan anti-inflation an anti-inflation plan ou programmeGB; le gouvernement a présenté son plan de relance économique the government has presented its plan to boost the economy; j'ai un plan, voilà ce qu'on va faire I have a plan, here's what we'll do; j'ai un bon plan○ pour voyager pas cher/entrer gratuitement I know a good way of travellingGB cheaply/getting in free; on se fait un plan restaurant○? shall we go out for a meal?; ⇒ comète.plan d'action plan of action; plan américain Cin thigh shot; plan d'amortissement repayment schedule ou plan; plan de campagne plan of campaign; plan de carrière career plan; plan comptable code of legal requirements in accounting practice; plan directeur Mil battle map; Écon master plan; plan d'eau man-made lake; plan d'ensemble Cin long shot; plan d'épargne savings plan; plan épargne entreprise, PEE company savings plan; plan d'épargne logement, PEL savings scheme entitling depositor to cheap mortgage; plan d'épargne retraite top-up pension scheme; plan de faille fault plane; plan fixe Cin static shot; plan incliné inclined plane; en plan incliné sloping; plan de masse overall building plan; plan de métro map of the underground GB ou subway US; plan moyen Cin medium close-up; plan d'occupation des sols, POS land use plan; plan quinquennal five-year plan; plan rapproché Cin waist shot; plan social Écon, Entr planned redundancy scheme GB, scheduled lay-off program US; plan de travail ( pour projet) working schedule; ( surface) worktop; plan d'urbanisme urban planning policy; plan de vol flight plan.laisser qn en plan○ to leave sb in the lurch, to leave sb high and dry; laisser qch en plan○ to leave sth unfinished; il a tout laissé en plan pour la rejoindre à Rome he dropped everything to go and join her in Rome; rester en plan○ [personne] to be left stranded ou high and dry; [projets] to be left unfinished.I( féminin plane) [plɑ̃, plan] adjectif1. [miroir] plane[surface] flatII[plɑ̃] nom masculinA.1. [surface plane] plane2. CONSTRUCTION [surface] surfaceplan de travail [d'une cuisine] worktop, working surfacegros plan, plan serré close-upplan général/moyen/rapproché long/medium/close shotplan horizontal/incliné/médian/tangent level/inclined/median/tangent planeB.je veux un plan détaillé de votre thèse I want a detailed outline ou a synopsis of your thesisplan de licenciement, plan social planned redundancy schemeC.plan d'une machine/voiture blueprint of a machine/car————————de second plan locution adjectivale[question] of secondary importance[artiste, personnalité] second-rate————————en plan locution adverbiale————————sur le plan de locution prépositionnelle————————plan d'eau nom masculin[naturel] stretch of water[artificiel] reservoir[ornemental] (ornamental) lake————————premier plan nom masculin1. CINÉMA foreground2. (figuré)de (tout) premier plan [personnage] leading, prominentjouer un rôle de tout premier plan dans to play a leading ou major part inPlan VIGIPIRATE is a series of measures to fight against terrorist attacks. There are two levels: simple and renforcé. Vigipirate includes monitoring public buildings, public transportation system. Other measures such as no parking near school buildings can also be applied. -
8 конечно-геометрический код
Русско-английский научно-технический словарь Масловского > конечно-геометрический код
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9 проективно-геометрический код
Русско-английский научно-технический словарь Масловского > проективно-геометрический код
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10 Dassault (Bloch), Marcel
SUBJECT AREA: Aerospace[br]b. 22 January 1892 Paris, Franced. 18 April 1986 Paris, France[br]French aircraft designer and manufacturer, best known for his jet fighters the Mystère and Mirage.[br]During the First World War, Marcel Bloch (he later changed his name to Dassault) worked on French military aircraft and developed a very successful propeller. With his associate, Henri Potez, he set up a company to produce their Eclair wooden propeller in a furniture workshop in Paris. In 1917 they produced a two-seater aircraft which was ordered but then cancelled when the war ended. Potez continued to built aircraft under his own name, but Bloch turned to property speculation, at which he was very successful. In 1930 Bloch returned to the aviation business with an unsuccessful bomber followed by several moderately effective airliners, including the Bloch 220 of 1935, which was similar to the DC-3. He was involved in the design of a four-engined airliner, the SNCASE Languedoc, which flew in September 1939. During the Second World War, Bloch and his brothers became important figures in the French Resistance Movement. Marcel Bloch was eventually captured but survived; however, one of his brothers was executed, and after the war Bloch changed his name to Dassault, which had been his brother's code name in the Resistance. During the 1950s, Avions Marcel Dassault rapidly grew to become Europe's foremost producer of jet fighters. The Ouragon was followed by the Mystère, Etendard and then the outstanding Mirage series. The basic delta-winged Mirage III, with a speed of Mach 2, was soon serving in twenty countries around the world. From this evolved a variable geometry version, a vertical-take-off aircraft, an enlarged light bomber capable of carrying a nuclear bomb, and a swept-wing version for the 1970s. Dassault also produced a successful series of jet airliners starting with the Fan Jet Falcon of 1963. When the Dassault and Breguet companies merged in 1971, Marcel Dassault was still a force to be reckoned with.[br]Principal Honours and DistinctionsGuggenheim Medal. Deputy, Assemblée nationale 1951–5 and 1958–86.Bibliography1971, Le Talisman, Paris: Editions J'ai lu (autobiography).Further Reading1976, "The Mirage Maker", Sunday Times Magazine (1 June).Jane's All the World's Aircraft, London: Jane's (details of Bloch and Dassault aircraft can be found in various years' editions).JDSBiographical history of technology > Dassault (Bloch), Marcel
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11 длительный допустимый ток
(длительный) допустимый ток
Максимальное значение электрического тока, который может протекать длительно по проводнику, устройству или аппарату при определенных условиях без превышения определенного значения их температуры в установившемся режиме
[ ГОСТ Р МЭК 60050-826-2009]
Этот ток обозначают IZ
[ ГОСТ Р 50571. 1-2009 ( МЭК 60364-1: 2005)]EN
(continuous) current-carrying capacity
ampacity (US)
maximum value of electric current which can be carried continuously by a conductor, a device or an apparatus, under specified conditions without its steady-state temperature exceeding a specified value
[IEV number 826-11-13]
ampacity
The current in amperes that a conductor can carry continuously under the conditions of use without exceeding its temperature rating.
[National Electrical Cod]FR
courant (permanent) admissible, m
valeur maximale du courant électrique qui peut parcourir en permanence, un conducteur, un dispositif ou un appareil, sans que sa température de régime permanent, dans des conditions données, soit supérieure à la valeur spécifiée
[IEV number 826-11-13]Ampacity, the term is defined as the maximum amount of current a cable can carry before sustaining immediate or progressive deterioration. Also described as current rating or current-carrying capacity, is the RMS electric current which a device can continuously carry while remaining within its temperature rating. The ampacity of a cable depends on:
- its insulation temperature rating;
- conductor electrical properties for current;
- frequency, in the case of alternating currents;
- ability to dissipate heat, which depends on cable geometry and its surroundings;
- ambient temperature.
Electric wires have some resistance, and electric current flowing through them causes voltage drop and power dissipation, which heats the cable. Copper or aluminum can conduct a large amount of current before melting, but long before the conductors melt, their insulation would be damaged by the heat.
The ampacity for a power cable is thus based on physical and electrical properties of the material & construction of the conductor and of its insulation, ambient temperature, and environmental conditions adjacent to the cable. Having a large overall surface area may dissipate heat well if the environment can absorb the heat.
In a long run of cable, different conditions govern, and installation regulations normally specify that the most severe condition along the run governs the cable's rating. Cables run in wet or oily locations may carry a lower temperature rating than in a dry installation. Derating is necessary for multiple circuits in close proximity. When multiple cables are near, each contributes heat to the others and diminishes the amount of cooling air that can flow past the individual cables. The overall ampacity of the insulated conductors in a bundle of more than 3 must be derated, whether in a raceway or cable. Usually the de-rating factor is tabulated in a nation's wiring regulations.
Depending on the type of insulating material, common maximum allowable temperatures at the surface of the conductor are 60, 75 and 90 degrees Celsius, often with an ambient air temperature of 30°C. In the U.S., 105°C is allowed with ambient of 40°C, for larger power cables, especially those operating at more than 2 kV. Likewise, specific insulations are rated 150, 200 or 250°C.
The allowed current in cables generally needs to be decreased (derated) when the cable is covered with fireproofing material.
For example, the United States National Electric Code, Table 310-16, specifies that up to three 8 AWG copper wires having a common insulating material (THWN) in a raceway, cable, or direct burial has an ampacity of 50 A when the ambient air is 30°C, the conductor surface temperature allowed to be 75°C. A single insulated conductor in air has 70 A rating.
Ampacity rating is normally for continuous current, and short periods of overcurrent occur without harm in most cabling systems. The acceptable magnitude and duration of overcurrent is a more complex topic than ampacity.
When designing an electrical system, one will normally need to know the current rating for the following:- Wires
- Printed Circuit Board traces, where included
- Fuses
- Circuit breakers
- All or nearly all components used
Some devices are limited by power rating, and when this power rating occurs below their current limit, it is not necessary to know the current limit to design a system. A common example of this is lightbulb holders.
[http://en.wikipedia.org/wiki/Ampacity]
Тематики
- электротехника, основные понятия
Синонимы
EN
DE
- Dauerstrombelastbarkeit, f
- Strombelastbarkeit, f
FR
- courant admissible, m
- courant permanent admissible, m
Русско-английский словарь нормативно-технической терминологии > длительный допустимый ток
См. также в других словарях:
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