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1 Graphical Representation And Analysis Of Surface Properties
Physics: GRASPУниверсальный русско-английский словарь > Graphical Representation And Analysis Of Surface Properties
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2 поверхностные свойства
Русско-английский физический словарь > поверхностные свойства
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3 молекулярно-поверхностные свойства (пластовых систем)
Русско-английский словарь нормативно-технической терминологии > молекулярно-поверхностные свойства (пластовых систем)
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4 обработка металлов
обработка металлов
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
metal finishing
A process in which a chemical or some other substance is applied to metals as a way to clean, protect, alter or modify appearance or physical properties, especially surface properties. (Source: MHD)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
DE
FR
Русско-английский словарь нормативно-технической терминологии > обработка металлов
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5 свойства поверхностные
• свойства n pl поверхностныеenglish: surface propertiesРусско-английский (-немецко, -французский) металлургический словарь > свойства поверхностные
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6 молекулярно-поверхностные свойства
Универсальный русско-английский словарь > молекулярно-поверхностные свойства
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7 свойства поверхности
Makarov: surface propertiesУниверсальный русско-английский словарь > свойства поверхности
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8 свойства поверхности и применение для фильтрования растворов ионов
Универсальный русско-английский словарь > свойства поверхности и применение для фильтрования растворов ионов
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9 характеристики поверхности
Makarov: surface propertiesУниверсальный русско-английский словарь > характеристики поверхности
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10 молекулярно-поверхностные свойства
( пластовых систем) molecular surface propertiesРусско-английский словарь по нефти и газу > молекулярно-поверхностные свойства
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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
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12 граница между воздухом и поверхностью океана
граница между воздухом и поверхностью океана
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[ http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]EN
ocean-air interface
The sea and the atmosphere are fluids in contact with one another, but in different energy states - the liquid and the gaseous. The free surface boundary between them inhibits, but by no means totally prevents, exchange of mass and energy between the two. Almost all interchanges across this boundary occur most effectively when turbulent conditions prevail. A roughened sea surface, large differences in properties between the water and the air, or an unstable air column that facilitates the transport of air volumes from sea surface to high in the atmosphere. Both heat and water (vapor) tend to migrate across the boundary in the direction from sea to air. Heat is exchanged by three processes: radiation, conduction, and evaporation. The largest net exchange is through evaporation, the process of transferring water from sea to air by vaporization of the water. (Source: PARCOR)
[http://www.eionet.europa.eu/gemet/alphabetic?langcode=en]Тематики
EN
DE
FR
Русско-английский словарь нормативно-технической терминологии > граница между воздухом и поверхностью океана
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13 ударный
1. stressed2. impact3. percussional4. percussionsударный капсюль, пистон — percussion cap
5. percussive6. shock; impact; foremost7. striking8. strike -
14 определять
•Magnitude of the principal stresses controls (or governs) the degree of birefringence.
•Covalent bonds are responsible for atomic combinations in many elements.
•θ is the angle defining the position of the rotor with respect to the stator.
•These elements define the geometry of the orbit.
•The take-off condition dictates (or determines, or defines) the amount of wing area required for an airplane.
•The armature of the rudder motor dictates the direction in which the rudder motor rotates.
•The rate at which a furnace can melt scrap governs the rate at which it can accommodate successive portions of the charge.
•These equations govern simple waves.
•It is the naval architect who settles (or decides on) the form of the vessel.
•Three points determine a circle.
•The geometry of the small ring compounds fixes their configuration.
•The equation specifies the topography of the potential surface.
II•These variables are difficult to appraise accurately.
•The cost of steam generation required by the power plant can be arrived at (or defined) from Fig. 2.
•A number of coils were rolled to assess the performance of the controller.
•The pressure was determined (or deduced) from the weight of steam and...
•Reserves are estimated (or evaluated) at 100,000,000 bbl.
•To assess the distribution and level of the pollutant...
•This knowledge enables the analyst to gauge the meaning and reliability of the results obtained.
•Information about temperatures below the surface can be inferred from the magnetic properties of rocks.
•The adequacy of the global supply can be gauged through a simple analysis of the per capita need for water.
см. классифицироватьIV•If the wavelength composition of the light is known, its colour can be specified (or determined, or identified).
•Identify the two chemicals in the equation for which...
•The closer you want to pinpoint the exact orbit, the more corrections you must make.
Русско-английский научно-технический словарь переводчика > определять
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15 шероховатость
1) General subject: abrasion, asperity, grain, scaliness, shagginess, wrinkle (в переносном смысле)2) Medicine: rugosity, scabrities, scabrities (кожи)3) Literal: blemish4) Engineering: scallops, seediness (дефект лакокрасочного покрытия), surface finish, tooth, undulation (поверхности)5) Agriculture: roughness (поверхности)6) Chemistry: pimpling7) Construction: coarseness, surface condition, tooth (поверхности после обработки)8) Mathematics: irregularity9) Automobile industry: bur, burr, nonskid quality (дорожного покрытия)10) Polygraphy: raggedness11) Textile: hardness12) Information technology: smoothness13) Oil: rugosity (стенок скважины), roughness, unevenness14) Silicates: crisp, crispiness, pockmarks15) Mechanics: rub, ruggedness16) Cellulose: bendtsen smoothness17) Microelectronics: ripple18) Polymers: crispness, mattness, blast anchor pattern (структура поверхности( глубина впадинок) после дробеструйной обработки)19) Automation: finish (поверхности), grit (абразива), gritness (абразива), unevenness (поверхности)20) Quality control: buckling (на литье)21) Makarov: degree of roughness (поверхности), finish (поверхности, детали, изделия), harshness, seediness (дефект лакокрасочного ПК)23) Shipbuilding: drop stitch (в сочетании с существительным floor даёт тип шероховатости пола (для повышения сцепления))24) Cement: non-skid properties -
16 свойство
1) ability
2) affinity
3) attribute
4) <comput.> character
5) feature
6) propert
7) properties
8) property
– абразивные свойство
– вентильное свойство
– граничное свойство
– придавать свойство
– свойство абсолютное
– свойство гладкости
– свойство граничное
– свойство маятника
– свойство непрерывности
– свойство сцепления
– свойство топологическое
– эксплуатационное свойство
свойство быть плотным — denseness
свойство поверхности внутреннее — <geom.> absolute property of a surface
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17 аналогичный
•This is something akin to the previously described model.
•To have analogy to (or with)...
•Kindred pumping services are grouped together wherever possible with a common driving unit.
•Like atoms are at minimum separations.
•Later trials subjected glucose to like temperatures.
•Related work on two-photon ionization of NA2 and BaCl beams was carried out by...
•Related bimolecular reactions show the same result.
•A related explanation has been advanced for...
•Elements with similar (or analogous) properties...
•Another suggestion along similar lines is that...
* * *Аналогичный -- similar (to), parallel, related, analogous, likeThe data, which is similar to that due to J., show that the value of u/v near the wall rises rapidly to a maximum.The only requirement for wiring multi-drop devices is that all like terminals be tied together.It is interesting to note that a parallel disagreement exists among physical chemists concerning the appropriate contact angle of water on a clean, gold surface.Русско-английский научно-технический словарь переводчика > аналогичный
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18 в соответствии с
. в зависимости от; изменяться в соответствии с кривой; классификация по; находиться в соответствии с; согласно; соответствие•In line with this assumption, we have devised a model of...
•To modify the beach profile in response to changing wave conditions...
•Evaporators for marine use are classed as horizontal or vertical by (or according to, or depending on) the position of their tubes.
•The test report is performed in accord( ance) (or conformity, or compliance) with the specifications.
•In keeping with the limitation of only four orbitals, the formation of double or triple bonds between atoms of these elements reduces the coordination number of the central atom.
•The machine is designed and built to higher standards of accuracy.
•The sketch can be interpreted in terms of either system.
•The console pressure can be regulated to match the individual gauge range.
•In the reactors designed around this approach the energy-carrying neutrons released by thermonuclear reactions will be absorbed in a lithium blanket.
•These techniques must be selected in relation to the properties of the substances being separated.
* * *В соответствии с (нормами)The specimens were tested at a frequency of approximately 130 Hz, following ASTM E466 [...].В соответствии с -- in accordance with, in agreement with, in keeping with, in line with, in compliance with, consistent with; as required by, to match, following, according to; in step with (синхронно); per (в инструкциях); to conform to (о требованиях стандарта и т. п.), pursuant to (в письмах)Fatigue life results of the bearings tested were statistically analyzed in accordance with the methods of [...].In agreement with this, it was found that the low ф machine went into a part-span stall.Also, in keeping with practice, the inter-plate spacing was made equal to the plate length.The section on low-pressure heating boilers now had testing and marking requirements in line with those of the power boiler section.(Tf -- Ts) is kept fixed by increasing Ts with time as required by the surface temperature, Ts.Normally, this value of radial clearance is established to match the bearing size.According to a previous investigation of dressing [...], fracture can occur within the grain.The Sh number increases in step with the wake turbulence.Install housing and grease per figure and table.They are metered by orifice plate assemblies built to conform to BS 1042.Pursuant to your request, I am confirming our consent to the publication of the book in two volumes.Floating roof tanks generally do not require protection when installed in compliance with Section...Русско-английский научно-технический словарь переводчика > в соответствии с
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19 восстанавливать
♦Some manufacturers have reclaimed cylinder liners by turning or boring them oversize and then plating the inside walls with chrome.
♦Remagnetization after high-temperature exposure does not restore the original properties of...
♦A great variety of broken or worn tools can be restored by this process.
♦The initial state of the device can be regained if the traps are discharged by a reverse-voltage pulse.
♦To recapture (or reconstruct) the full history of the earth,...
* * *Восстанавливать -- to restore; to reclaim (деталь); to reinstate (1. в правах; 2. изношенное оборудование); to recover (свойства); to renew (обновить)The user may reclaim the cracked surface by arc-air gauging to sound metal and subsequent finish grounding.Русско-английский научно-технический словарь переводчика > восстанавливать
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20 определённый
•These particles can have only certain energies.
••Each absorption band is associated with a distinct (or definite) type of electrical oscillator.
•Each of the materials comprising the Earth's surface has distinct elastic properties.
II•A counter may be located at a fixed (or set) distance from the source.
•The maximum rate of change of a particular characteristic of the orbit...
•Apparatus suitable for specific test methods...
•The conveyor feeds a specified amount of coal into...
Русско-английский научно-технический словарь переводчика > определённый
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