查询词典 luminous flux

Based on the data of surface solar radiant flux observed at Tianjin Region during 2003,the calibration of instrument, the changes of aerosol optical thickness in different wavelengths and its changing rule were discussed.

根据2003年在天津大气边界层观测站获得的CE318太阳光度计观测资料，探讨了仪器的定标、渤海西岸大气气溶胶不同波段的光学厚度及其变化规律。

Radiant flux; radiant power,ψe?

辐射通量、辐射功率、ψe

A piece - wise function in the dependence of burning rate on the radiant flux and its break point are important characteristics of burning of double base propellants under external irradiation.

燃速与辐射通量之间的关系可以由两支相交直线构成的线性方程进行描述，其中折点是外界辐射能作用下固体双基推进剂燃烧的一个重要特征。

In order to obtain infrared spectral radiance distribution of some infrared sources, such as spectral radiant flux density, spectral radiant intensity, spectral radiance and spectral irradiance, the instrument response function under different conditions must be known.

在应用红外发射光谱来获得某些红外源的绝对光谱能量数据，如辐射源光谱辐射通量密度、辐射源光谱辐射强度、辐射源光谱辐射亮度及光谱辐射照度等时，需要得知不同条件下的仪器响应函数。

Experimental observations are presented of the effect of the flow velocity and oxygen concentration, and of a thermal radiant flux, on the transition from smoldering to flaming in forward smoldering of small samples of polyurethane foam with a gas/solid interface.

试验主要观察处于阴燃状态的少量聚氨酯泡沫样品的流速、氧气浓度和辐射热通量对气/固界面的影响。

The choice and extraction of IR features used to separate tatgets from decoys Feature extraction is to get feature vectors for recognizing targets and decoys from their spectral radiant flux.

二、用于区分目标和诱饵的红外特征的选择和提取特征的选择和提取即是要从光谱辐射通量得到用于区分目标和诱饵的识别特征矢量，主要进展有下面几点： 1。

In which, s is the blackbody temperature of cavity,λ wavelength, T〓 reference temperature, E〓 blackbody radiant flux and ε〓 integrated emissivity.

式(3)的意义在于，以基尔霍夫关于理想黑体的物理模型为理论依据，用两个腔体参数ε〓和K〓来分别表达腔体&密闭性&和&等温性&两项原则。

This source have the advantages of high stability, high spectral radiant flux, narrow bandpass, large area, tunable wavelength in broad spectral range, etc.

这种新型的积分球光源具有稳定性好、光谱辐通量高、光谱带宽窄、光源面积大、波长在宽波段内可调谐等优点，联合响应度直接溯源于初级辐射标准低温辐射计的标准探测器，可以有效降低定标不确定度。

For the powder having burn out process, the densification of the films is higher under carrier gases Ar,O2,N2. The surface roughness also increases with increasing gas flux.

初始粉末经烧除后镀制之厚膜结构，以Ar，O2或N2携带气体下最为致密，且膜厚及表面形态差异并不大，可发现较为平整之膜面，但随著流量的提升，表面的粗糙度则会增大。

It is also proved that the R2 value for correlation coefficient between local integration index （r=3） and pedestrian flux is significantly higher than the traditional method when it is tested in certain area with regularly gridded urban texture in the inner city of Nanjing.

文章进一步对南京城市做了实证验证，结果证明，经改进的方法所得到的空间集成度指标与城市商业布局之间的关系更加精确，而空间局部集成度（r=3）与步行人流量之间相关系数的R2 值也明显高于传统方法。

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