|
|
|
|
|
|
|
|
|
Blackbody
| Глоссарий по теории волн |
- Is defined as an object that absorbs all radiation that impinges on it at any wavelength.
- Абсолютно черное тело
- Hypothetical radiation source that yields the maximum radiation energy theoretically possible at a given temperature. a blackbody will absorb all incident radiation falling on it. by definition it has an emissivity of 1.0. see also emissivity.1 bolometer, infrared: thermal infrared detector in which electrical conductivity changes with temperature.
- In physics, a theoretical object whose incandescent radiation emission distribution (intensity versus wavelength) depends only on the absolute temperature of the blackbody and not on its internal nature or structure. a blackbody absorbs all energy falling on it. as the blackbody temperature increases, peak emission wavelength decreases. see also absorptivity; planck’s law; stefanboltzmann law; wien’s displacement law.
- In physics, a theoretical object whose incandescent radiation emission distribution (intensity versus wavelength) depends only on the absolute temperature of the blackbody and not on its internal nature or structure. a blackbody absorbs all energy falling on it. as the blackbody temperature increases, peak emission wavelength decreases. compare graybody. see also absorption; planck’s distribution law; stefan-boltzmann law; wien’s displacement law.
|
Абсолютно ч, русский
Абсолютно, русский
Абсолютно чёрное тело, русский
Black body, английский
- Theoretical object that radiates more total power and more power at any wavelength than any other source operating at the same temperature.2,5
- See blackbody.
|
Wavelength, английский
- Light is made up of electromagnetic waves; wavelength is the crest (peak)-to-crest distance between two adjacent waves.
- Для оптических сетевых устройств длина волны светового потока составляет 850, 1300, 1310 и 1550 нм
- The optical term for frequency. fiber optics generally uses the 850 nm, 1300/1310 nm, 1550 nm and 1625 nm wavelengths for transmission purpose due to the marriage of performance with light sources, optical fibers, and optical detector technologies
- Distance in the direction of propagation of a periodic wave between two successive points at which the phase is the same. tel 203•377•8282 fax 203•378•2457 e-mail res_sales@oriel.com url www.oriel.com 9-17 polarization lenses optics prisms & filters beam splitters windows, substrates & mirrors properties of optical coatings optical materials
- The length of the light wave, usually measured from crest to crest, which determines its color. common units of measurement are the micrometer (micron), the nanometer, and the angstrom unit.
- The spatial period of a plane wave
- The distance between "waves" in the electromagnetic field, specified as angstroms or nanometers.
- The distance an electromagnetic wave travels in the time it takes to oscillate through a complete cycle. wavelengths of light are measured in nanometers (10-9 m) or micrometers (10-6m).
- The linear distance occupied by one complete cycle of vibration of an energy form from any given point to the next point characterized by the same phase.
- For light waves or sound waves, the distance between two successive points of a periodic wave in the direction of propagation, in which the oscillation has the same phase; the distance the wave travels in one period. for light waves three common units of wavelength are: micrometer, nanometer, and angstrom. wave molding, oundy molding, swelled chamfer, undulating molding, undy
- Длина волны wax 1. воск 2. парафин 3. пластичная глина way 1. путь; дорога 2. проход; переход 3. колея 4. направление, сторона 5. амер, расстояние
- The physical length between corresponding points of successive cycles of a wave. low frequencies have long wavelengths; high frequencies have short wavelengths.
- The distance between the crests of a wave in a radio signal, measured as the speed of light divided by the frequency in- hz.
- The distance between one peak of a wave and the next peak
- Light is measured by its wavelength (in nanometers) or frequency (in hertz). one wavelength. equals the distance between two successive wave crests.
- The distance between two points having the same phase in two consecutive cycles of a periodic wave, along a line in the direction of propagation.
- Distance between repeating values of a wave — for example, the distance from one peak to the next peak on a sine wave. wavelength is a fundamental descriptor when discussing wave behavior, system sensitivity, and diffraction effects.
- Distance between repeating values of a wave. for example, the distance from one peak to the next peak on a sine wave.
- Distance between repeating values of a wave. for example, the distance from one peak to the next peak on a sine wave. wavelength is generally measured in nanometers when considering uv-a radiation (for example, 365 nm). compare frequency.
- Distance between repeating units of a wave. for example, the distance from one peak to the next peak.
- Distance needed in the propagation direction for a wave to go through a complete cycle.7,21
Hypothetical, английский
A гипотетический, предположительный; риторический question i
Temperature, английский
- Température
- Dry-bulb - temperature of air as indicated by a standard thermometer.
- An expression of thermal energy density. how hot or cold an object is.
- The measure of the intensity of heat that a substance possesses.
- Температура
- Температура тмр test methods and procedures методы проведения испытаний и последовательность их проведения тмр theodolite measuring point кинотеодолитная станция
- Temperatura, fiebre
- The condition attained when the wetted wick of a wet-bulb thermometer has reached a stable and constant temperature when exposed to moving air in excess of 900 ft (274.3 m) per minute.
- 1. the heat of the body or of the surrounding air, measured in degrees the doctor asked the nurse what the patient’s temperature was. his temperature was slightly above normal. the thermometer showed a temperature of 99°f. to take a patient’s temperature to insert a thermometer in someone’s body to see what his or her body temperature is they took his temperature every four hours. when her temperature was taken this morning, it was normal. 2. illness when your body is hotter than normal he’s in bed with a temperature. her mother says she’s got a temperature, and can’t come to work. comment: the average body temperature is about 37° celsius or 98° fahrenheit. this temperature may vary during the day, and can rise if a person has taken a hot bath or had a hot drink. if the environmental temperature is high, the body has to sweat to reduce the heat gained from the air around it. if the outside temperature is low, the body shivers, because rapid movement of the muscles generates heat. a fever will cause the body temperature to rise sharply, to 40°c (103°f) or more. hypothermia exists when the body temperature falls below about 35°c (95°f).
- Повышение температуры бетона ~ of truss высота фермы jet ~ высота подъёма горизонтальной неизотермической приточной струи, «всплывающей» над приточным отверстием
- Температура ~ of adiabatic saturation температура адиабатического насыщения
- Normal adult temperature varies among horses, but will usually range in degrees from 99.5°f to 100.5°f.
- A measure of the average kinetic energy of a material. the standard unit of temperature is a kelvin, (k). temperature determines the direction of heat flow between any two systems in thermal contact. heat will always flow from the area of higher temperature (t source) to one of lower temperature (t sink). temperature gradient (?t)
- A measure of the degree of molecular motion of a material compared to a reference point. temperature is measured in degrees farenheit (melting point of ice = 32 º f, boiling point of water = 212 º f) or degrees celsius (melting point of ice = 0 º c, boiling point of water = 100 º c).
- The degree of sensible heat of a body as measured by a thermometer or similar instrument.
- Measure of the intensity of particle motion in degrees celsius (°c) or degrees fahrenheit (°f) or, in the absolute scale, kelvin (k), where the increment of 1 k = 1 °c = 1.8 °f.
- Temperature of surrounding atmosphere. also called dry bulb temperature. compare standard atmospheric conditions. ampere (a): si unit of electric current. ampere per meter (a·m–1): si derived unit of magnetic field intensity. the measurement 1 a·m–1, for example, describes a current of 1 a flowing through a coil that is 1 m in diameter. compare oersted. ampere turn (at): in magnetic particle testing, unit for expressing the magnetomotive force required for magnetization using a coil in terms of the product of the number of coil turns and the current in amperes flowing through the coil. amplitude, echo: in ultrasonic testing, the vertical height of a received signal on an a-scan, measured from base to peak for a video presentation or from peak to peak for a radio frequency presentation.
- Measure of the intensity of particle motion in degrees celsius (°c), degrees fahrenheit (°f) or, in the absolute scale, kelvin (k) or degrees rankine (°r). an increment of 1 k = 1 °c = 1.8 °r = 1.8 °f. compare heat.
Definition, английский
- The fidelity of a television system to the original scene.
- Also called resolution. the fidelity with which detail is reproduced by a television system ranging from a fuzzy to a sharp appearance.
- The fidelity of reproduction of the pattern edge relative to the original master
- N дефиниция, определе- ние
- A verbal representation of a concept which serves to differentiate it from related concepts and allows humans to recognize and agree on the concept.
- Description of linear demarcation sensitivity or the detail sharpness of object outline in a radiologic test image. it is a function of screen type, exposure geometry, radiation energy, and characteristics sensor (such as film).
- Описание чувствительности к линейной демаркации или четкости контуров объекта на радиологическом контрольном изображении. это зависит от типа экрана, геометрии экспозиции, энергии излучения и характеристик датчика (например, пленки).
Emissivity, английский
- The ability of an object to radiate and absorb energy from its surroundings measured as a ratio of the actual object emission to the blackbody equivalent emission
- The ratio of the radiant energy emitted by any source to that emitted by a blackbody at the same temperature.
- Коэффициент излучения
- The ratio of radiation emitted by a surface to the radiation emitted by a blackbody at the same temperature.
- The energy emission rate usually expressed as r/c/hr @ 1 ft or mr/mc/hr @ 1 ft.
- Variable ratio of the total energy radiated by a given surface at a given temperature to the total energy radiated by a blackbody at the same temperature. emissivity can be total, directional or hemispherical. emissivity is a surface phenomenon depending on surface condition and composition. smooth materials have lower emissivities than rough or corroded materials.1 emissivity values range between 0 for a perfect reflector to 1.0 for a blackbody.
Electrical, английский
Conductivity, английский
- Conductivité
- The rate at which heat is transmitted through a material.
- A term used in describing the capability of a material to carry an electrical charge. usually expressed as a percentage of copper conductivity copper being one hundred (100%) percent. conductivity is expressed for a standard configuration of conductor.
- Проводимость
- Удельная электропроводность; удельная электрическая проводимость
- Parameter used for characterising hydrogeological conditions, more
- This is the inverse of resistance, and refers to the ability of a conductor to carry current.
Theoretical, английский
- Теоретический
- Теоретический theor/y теория; учение; принцип; гипотеза ~ of buckling теория продольного изгиба ~ of elasticity теория упругости ~ of elastic stability теория устойчивости упругих систем ~ies of failure теории [гипотезы] прочности ~ of plastic behavior теория пластичности ~ of plasticity теория пластичности ~ of plates теория тонких пластин ~ of shallow shells теория пологих оболочек ~ of shells теория оболочек ~ of stability теория устойчивости ~ of structures теория сооружений, строительная механика ~ of thin shells теория тонких оболочек ~ of torsion теория кручения
Incandescent, английский
Distribution, английский
- Распределение. размещение.
- Распределение - рыночный процесс, при котором крупные рыночные трейдеры в основном продают бумаги мелким трейдерам;
- The distribution of a set of numerical data is how their values are distributed over the real numbers. it is completely characterized by the empirical distribution function. similarly, the probability distribution of a random variable is completely characterized by its probability distribution function. sometimes the word "distribution" is used as a synonym for the empirical distribution function or the probability distribution function. if two or more random variables are defined for the same experiment, they have a joint probability distribution.
- Refers to the spread and shape of a frequency curve of some variable. a histogram is one way to graphically display the distribution of test results by showing the frequency of observations on the y-axis versus the magnitude on the x-axis. the normal or gaussian curve is one form of a distribution.
- Распределение
- Торговля; сфера обращения; распределение
- A way to limit where your usenet postings go. handy for such things as for sale messages or discussions of regional politics.
- The movement of freshly mixed concrete toward the point of placement, either by motorized tools or by hand. distribution-bar reinforcement, distribution
- N дистрибуция complementary ~ дополнительная дистрибу- ция, отношение дополнительности5 contrastive ~ контрастная, контрастирущая дистрибуция non-contrastive ~ неконтрастная, неконтра- стирущая дистрибуция distribution(al)
- Распределение dna (deoxyribonucleic acid)
- Распределение. 1. распределение данных. данные могут иметь определенную форму (вид) распределения, которая зависит от их характеристик. например, рост имеет нормальное распределение (см. normal distribution), а результаты метания игральных костей следуют равномерному (случайному) распределению. 2. распределение (распространение) вещества и его метаболитов в организме после применения препарата. обычно описывается с помощью объема распределения (см. volume of distribution) и свободной фракции.
- Diamond pattern
- A payout of cash or property from a corporation to a shareholder.
- Распределение; размещение; распространение; разводка (труб) ~ of bending stresses over the cross
- Распределение. ранжирование значений переменной от наименьшего до наибольшего и результирующая совокупность характеристик или показателей, выстроенных в виде графика [20]. плотность распределения, например, показывает возможные значения параметра в зависимости от числа появлений каждого значения в выборке или совокупности. во многих случаях это характеризует разброс единич-ных значений выборки или совокупности вокруг среднего значения.
- The delivery of electricity to the retail customer’s home or business through low voltage distribution lines.
- The spatial range of a species, usually on a geographic but sometimes on a smaller scale, or the arrangement or spatial pattern of a species over its habitat. • food resources will lead to this distribution. d. over space: • altitude: species diversity less abundant in higher than lower altitudes. • latitude: ecosystems are more complex in equatorial regions than in higher latitudes (poles) • scale: the greater the sample the better interpretability. • spatial: • aggregated or clump d.: individuals form one or more clumps, attracted to areas with the greatest availability of food or shelter and avoiding less hospitable terrain. • random d.: individual spacing would be determined by chance. • regular or uniform spacing d.: individuals may also be drawn together by some social interaction, such as mating or parental care. in other cases, antagonistic interactions between individuals or scarce d. over time: • habitat: (see there). • succession (see there).
- The transport of low voltage electricity. this connects the transmission network with the majority of electricity consumers. the process is overseen by a distribution network operator. management of distribution is a natural monopoly due to the economies of scale inherent to it. reeep / sustainable energy regulation network – august 2004 - revised september 2010 4
- The set of values of a variable together with the probabilities (->probability) associated with each. a tabulation of the frequencies of tokens by types.
- The process of managing the flow of goods and services from the producer to the customer.
- Распределение. ранжирование значений переменной от наименьшего до наибольшего и результирующая совокупность характеристик или показателей, выстроенных в виде графика [20]. плотность распределения, например, показывает возможные значения параметра в зависимости от числа появлений каждого значения в выборке или совокупности. во многих случаях это характеризует разброс единичных значений выборки или совокупности вокруг среднего значения.
- The act or process of delivering electric energy from convenient points on the transmission system (usually a substation) to consumers.
- Выплата дивидендов
Absorptivity, английский
- Коэффициент поглощения
- Поглощаемость, поглощающая способность. показатель поглощения, деленный на единицу пройденного расстояния. ср. линейный коэффициент абсорбции — absorp tion coefficient, linear. ""
Displacement, английский
- Перемещение
- Водоизмещение
- The weight of water displaced by the immersed volume of a ship`s hull, exactly equivalent to the weight of the whole ship.
- The weight, in tons of 2,240 pounds, of the vessel and its contents. calculated by dividing the volume of water displaced in cubic feet by 35, the average density of sea water.
- Перемещение, сдвиг, весовое водоизмещение,
- The fact of being moved out of the usual position fracture of the radius together with displacement of the wrist
- Водоизмещение судна
- Водоизмещение; водоизмещающее плавание
- The centre of gravity of the displacement relates to the part of the ship under water, considered as homogeneous. the weight of water which a vessel displaces when floating is the same as the weight of the ship. (see centre of cavity.)
- Weight of a vessel expressed as either the number of long tons, or the cubic feet of water, displaced by the hull (1 ton = 35 cu.ft of seawater or 35.9 cu.ft of fresh).
- The volume of liquid delivered by a single stroke of a pump piston.
- Sometimes used as a synonym for offset deflec tion, deviation, dislocation, throw.
- The capacity of an air compressor, usually ex pressed in cubic feet of air per minute (c.f.m.).
- The weight of water dislocated by the hull of a vessel.
- The weight of a boat measured according to the weight of water it displaces. a boat displaces an amount of water equal to the weight of the boat, so the boat’s displacement and weight are identical.
- Изменение линейного или углового положения* перемещение, отклонение органа управления
- The product of stroke and of cylinder bore and number of cylinders of an engine, representing the theoretical volume of (incompressible) working fluid that can be drawn into an engine with each cycle. see also capacity and swept volume. 45
- Displacement is where you change your nearest relative. the process of changing the nearest relative is often known as ‘displacement proceedings’. your nearest relative can be displaced if you or the local authority have concerns about the way that they are behaving. see our pages on the nearest relative for more information.
|
Bonderizing, английский
The coating of steel with a film composed largely of zinc phosphate in order to develop better bonding surface for paint or lacquer.
Binocular, английский
- Designating any instrument in which both eyes can be used to view the image to achieve a stereoscopic effect, or merely to facilitate observation. a pair of telescopes with prismatically erected images, mounted side by side with the eyepieces at the inter
- Бинокль
- Бинокулярный
- Having two eyepieces
|
|
|
|
|
|
|
