агол на зрак

агол на зрак

The angular dimension of the cone of light from reflectorized lamps (such as R and PAR types) encompassing the central part of the beam out to the angle where the intensity is 50% of maximum. The beam angle sometimes called "beam spread" is often part of the ordering code for the reflectorized lamps. Example: The 50PAR30/HIR/NFL25 is a 50 watt PAR30 narrow flood lamp with a beam angle of 25 degrees (See FIELD ANGLE).

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분야/도메인: 빛과 조명
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Company: GE
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зрак

교육; SAT 어휘

A faint, wavering, unsteady light.

зрак

천문학; 행성학

Streak of material blasted out and away from an impact crater.

агол

수학; 기하학

the union of 2 rays that have the same endpoint; measured in degrees or radians (trig.); the five types of angles are zero, acute, right, obtuse, and straight.

на

언어; 사전

Function words; preposition; touching a surface or an object.

систем

빛과 조명; 조명 제품

A term referring to the lamp and ballast combination, and sometimes to the entire lighting delivery system including the fixture, the optics, the particular layout and the ...

ултра

빛과 조명; 조명 제품

A common way of referring to high efficiency GE T8 family of lamps that perform better than standard T8 lamps. Also refers to the system.

визуелна задача

빛과 조명; 조명 제품

The task associated with seeing; objects and details that must be seen to perform an activity.

волт

빛과 조명; 조명 제품

A measure of "electrical pressure" between two points. The higher the voltage, the more current will be pushed through a resistor connected across the points. The volt ...

напон

빛과 조명; 조명 제품

A measurement of the electromotive force in an electrical circuit or device expressed in volts. Voltage can be thought of as being analogous to the pressure in a waterline.

вати

빛과 조명; 조명 제품

A unit of electrical power. Lamps are rated in watts to indicate the rate at which they consume energy. (See KILOWATT HOUR).

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Тереза Скенлан

The winner of the 2011 Miss America pageant. Scanlan, A 17-year-old and recent high school graduate from the western Nebraska town of Gering captured ...