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Bunsen photometer
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Bunsen burner, английский
Bunsen cone method, английский
Метод конуса бунзеновско- го пламени измерения скорости плам
Bunsen type mixer, английский
Bunsen-roscoe reciprocity law (rt), английский
States that the end result of a photochemical reaction is dependent only on the product of the radiation intensity (1) and the duration of the exposure (t), and is independent of absolute values of either quantity. this implies that the resultant density of a film would depend only on the products of the radiation intensity reaching the film and the exposure time.
Bunsenite, английский
Photometer, английский
- Instrument that measures luminous intensity, luminous flux, light distribution or color.
- An instrument which measures luminous intensity.
- Any instrument that measures photometric quantities such as luminance, luminous intensity, luminous flux, and illumination.
- Device used to measure illuminance. the sensor is filtered such that its response closely matches the spectral responsivity curve of the human eye. in nondestructive testing, photometers measure lux. compare radiometer.
- Device used to measure luminance or illuminance. illuminance photometers are often called lux meters. photometer integral sensors are filtered such that their responsivity closely matches the spectral responsivity curve of the human eye (in other words, the action spectrum of interest). compare radiometer.
Photometer. vit on drawings, abbr. for “vitreous.”, английский
Photometering, английский
Photometiic, английский
Photometric, английский
Photometric brightness, английский
- Luminance of a light source.
- See luminance.
Photometric filter, английский
Фотометрический фильтр (фильтр для превращения свойств освещения из одного источника в свойства освещения из другого источника)
Photometric method, английский
Photometry, английский
- The measurement of visible light intensity and energy as it affects the human
- The measurement of quantities associated with light.
- Фотометрия
- Фотометрия. метод измерения света, т. е. радиации, воздействующей на глаз. используемый для этого прибор называется фотометром. фотометрия занимается измерением количества света и- поэтому используемые в фотометрии единицы измерения и терминологию не следует применять к измерению количества излучения вообще.
- Study and measurement of electromagnetic radiation with approximate wavelengths between 400 and 800 nm, within the human eye’s spectral responsivity. see also photometer; photopic vision; radiometry; relative photometry.
- Study and measurement of electromagnetic radiation with approximate wavelengths between 400 and 760 nm, which are within the human eye’s spectral responsivity curve. see also photometer; photopic vision; relative photometry. compare radiometry.
- Study and measurement of electromagnetic radiation with wavelengths between 400 and 800nm, within the human eye’s spectral responsivity.
- Photometer and photopic vision. compare radiometry. magnetic testing glossary 385
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Bunton racking, английский
Bunny, английский
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