查询词典 flux

Three of the sample lateral-sides are maintained at elevated temperature and the fourth side is exposed to an upward flow and to a radiant flux.

样品的其中三个侧边处在高温状态，第四边暴露在上升气流和辐射中。

The influence of the mass of photocatalyst, the concentration of reaction solution and the radiant flux on the H2 evolution rate over Cd0.7Zn0.3S photocatalyst was also investigated.

另外还考察了催化剂用量、反应液浓度、辐照通量对上述制备的Cd0.7Zn0.3S催化产氢速率的影响。

To improve the detecting and recognizing abilities of infrared system,a method of calculating the temperature field and the radiant flux intensity of human body is proposed to build the detection model by using infrared physics and heat transfer theory on the basis of bio-heat equation.

为提高红外系统对人体的探测和识别能力，从生物传热方程出发，利用红外物理和传热学理论，给出室内人体表面温度场和红外辐射量的理论计算方法，建立了室内着装人体探测模型。

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。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。