查询词典 luminous flux

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。

It is helpful to reducing the uncertainty of measuring LEDs luminous flux with integrati

介绍了积分球测量中光源体的自吸收效应，提出了两种校正方法。

Company produces energy-saving lamp life of up to 10,000 hours, the product color and tenderness and a high luminous flux, but also made the United States, Canada, Europe and Hong Kong security certification.

公司生产节能灯的寿命可达10，000小时，产品的色温柔和及光通量高，同时也取得美国、加拿大、欧洲及香港等安全认证。

An instrument for measuring a property of light, especially luminous intensity or flux.

通过照相进行精确尺寸测量的工艺，通常用一对照片产生三维测量的立体效果。

That part of a luminaire designed to reflect the luminous flux of the lamps in required directions by means of specular reflection.

灯具中被设计成利用镜面反射来在所需的方向上反射光源光通量的那部分。

Anodized high purity aluminum reflective optical systems, lighting and reasonable to ensure that a high luminous flux output.

高纯铝阳极氧化光学反光系统，配光合理，确保光通量的高输出。

Its luminous flux is still kept at over 78% even after 2,000 hours of operation which is much higher than that of similar products.

博禄一体化节能灯寿命长达15000小时以上，产品经使用2000小时后，光通亮仍维持在78%以上，远超其它同类产品。

Reading 4.0 means that a film black field office of the luminous flux of 1/10000 through the film.

读数4.0意味着不直射到胶片暗色实不天处的平通度有1/10000透过了胶片。

Illumination: illumination light source are irradiated according to objects in the luminous flux per unit area.

光照 度：光照度是光源照射在被照物体单位面积上的光通量。

A spectral-correction-integral- photometry method and its application in the measurement of the luminous flux of blue LEDs are introduced.

介绍了一种光谱校正积分光度法及其在蓝光LED光通量测量中的应用，对测量中的各种不确定因素作了理论分析，并与单纯的分光光度法和积分光度法的不确定度作了比较，证明该方法可实现极高的测量精度。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼