查询词典 radiation flux

In brief, average latent heat, sensible heat and soil heat flux is 40%. 50% and 10% of net radiation respectively.

就平均状况而言，潜热、显热和土壤热通分别占到净辐射的40％、50(来源：A4fBC论文网www.abclunwen.com)％和10％。

If under ideal conditions, one electron-hole pair injected yields one blue photon and the quantum efficiency of the phosphor equals one, the numbers of electron-hole pair must equal to the numbers of white photons. So LW white LED radiation power output has to consume 1.51 W electric powers and the luminous flux efficiency limitation of electrical to optical conversion for the white LED is 197.8lm/W at above condition.

在理想情况下，注入一个电子－孔穴对产生一个蓝光光子，设荧光粉的量子效率为1，因此，注入的电子－孔穴对数亦等于白光光子数，进而计算出白光LED每辐射1W的光功率所需的电功率为1.51W，上述白光LED发光光谱对应的白光LED的电－光转换的理论极限流明效率为197.8lm/W。

The result showed that the luminous flux for LW white LED radiation power output is 298.7 lm and the total photons are 2.7×1018. If under ideal conditions, one electron-hole pair injected yields one blue photon and the quantum efficiency of the phosphor equals one, the numbers of electron-hole pair must equal to the numbers of white photons.

在理想情况下，注入一个电子-孔穴对产生一个蓝光光子，设荧光粉的量子效率为1，因此，注入的电子-孔穴对数亦等于白光光子数，进而计算出白光LED每辐射1 W的光功率所需的电功率为1.51 W，上述白光LED发光光谱对应的白光LED的电-光转换的理论极限流明效率为197.8 lm/W。

The direct terrestrial solar integrated radiation exergy flux decrease with the increase of precipitable water and air mass, respectively.

地表直射太阳积分辐射火用流分别随着可凝结水量和空气质量的增加而减小。

The heat flux distribution of radiation and convection along the width and height of furnace in superheater and reheater zone is obtained By comparison, it can be seen that, although there is deviation between the calculation and measurement results, they are identical qualitatively.

过热器和再热器汽温分布的模拟计算结果与现场实测值进行了比较，两者在定量上尚存在一定的差距，但定性上基本一致。

The body-fitted grids were generated using a system of elliptical partial differential equations. The k-ε model was employed to describe the turbulent characteristics. EBU-Arrehenius turbulent combustion model was used to determine the chemical reaction rate, while a six-flux model was applied to predict heat radiation and its influence on the wall and gas temperature.

利用椭圆型微分方程和区域法生成三维贴体网格，k-ε模型预估紊流特性，EBU-Arre-henius紊流燃烧模型估算化学反应速率，六通量模型预估辐射通量以考虑其对壁面和气流温度的影响。

The cases with temperature boundary condition and heat flux boundary condition are discussed, and the results prove that this model can be applied to the analysis of radiation heat transfer between the pressure tube and calandria tube.

计算结果表明，该模型可以用于TACR压力管和排管间辐射换热能力的计算。

The results of numerical experiments show that mean terrain height and orographic relative standard deviation over a large scale grid area are two important factors which have influence on the mean flux of surface long wave radiation.

由于地表有效辐射通量是海拔高度的非线性函数，在特定情况下，其影响相当大，可产生不容忽略的误差。

It is theoretically demonstrated that the influences of terrain height and orographic heterogeneity are important on the flux of surface long wave radiation over a large scale grid area.

摘要从理论和数值试验两个方面证明地形的非均匀性对网格区地面长波辐射通量的计算有重要影响，海拔高度场的区域平均值及其变差系数是影响网格区地面长波辐射通量的主要因素，仅仅用地表均匀假定下的区域平均参量（如平均海拔高度和平均温度）所计算的网格区地表有效辐射通量值与其真实值之间存在着一定的误差。

Daily CO2 flux was closely related to growing stages, photosynthetically active radiation , and soil temperature.

结果表明：（1）小麦CO2通量日变化与生育期、光合有效辐射、土壤温度密切相关。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。