Ratio of the absorbed radiant or luminous flux to the incident flux.

吸收的辐射通量或光通量与入射通量之比.

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Ratio of the utilized flux to the luminous flux leaving the luminaires.

被利用的光通与离开灯具的光通量之比.

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Lumen : The unit for measuring luminous flux.

流明: 量度光通量的单位.

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Characterzation: high quality quartz bulb, biplanar filament which enables increased illumination, uniform color temperature and luminous flux.

特色: 优质的石英泡壳, 卓越的双排丝结构,独特的防爆装置,亮度更高, 使用更安全.

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It is helpful to reducing the uncertainty of measuring LEDs luminous flux with integrating spheres.

自吸收效应的校正有助于降低用积分球测量光通量的不确定度.

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They create a uniform value of luminous flux due to the high frequency used.

由于使用高频,电子镇流器产生均匀的光通值.

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Of a source . Quotient of the luminous flux emitted and the power consumed.

某一光源发出的光通量与其消耗功率的比值.

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The luminous flux per unit area at any point on a surface exposed to incident light.

一支蜡烛的点光源在每英尺表面的照度的单位.

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Of a source. The luminous flux emitted above [ below ] a horizontal plane passing through the source.

对光源而言. 高于 [ 低于 ] 通过光源的水平面而发射的光通量.

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The measurement of the luminous flux of UHP Power light source is described in this paper.

本论文研究超高压汞灯——UHP灯的光通量测量方法.

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