您要查找的是不是：
- spectral radiant flux 光谱辐射通量
- The ratio of luminous flux at a specific wavelength to the radiant flux at the same wavelength. 发光效率一定波长的光量对同样波长的辐射光量的比例
- Of a radiation. Description of the spectral character of a radiation by the relative spectral distribution of some radiometric quantity (radiant flux (power), radiant intensity, etc.). 对辐射而言。用某一辐射度量（辐射功率，辐射强度等）的相对光谱分布对一辐射的光谱特性进行的描述。
- radiant flux spectral distribution 辐射通量光谱分布
- A simple and efficient measurement method was also planned to measure the spectral radiant intensity of a blackbody and a hot plume. 用此方法测量了黑体和热喷流的光谱辐射强度。
- Visible spectral radiant intensity measuring system was developed aiming at the demand of spacecraft safety and hypervelocity impact phenomena. 针对航天器防护技术及超高速碰撞物理现象研究需要,为超高速碰撞靶研制了超高速碰撞光谱辐射强度测量系统。
- Of a source of radiation. Ratio of the radiant flux (power) emitted to the power consumed. 辐射源发射的辐射通量(功率)与消耗功率之比。
- The results show that the ignition delay time is shortened along with the increase of the oxygen content, burning rate of HTPB propellant and the laser radiant flux. 研究结果表明：随着丁羟推进剂氧含量、燃速以及点火热通量的增加，推进剂的点火延迟时间缩短；
- The effect of the oxygen content, burning rates of HTPB propellants and the laser radiant flux on the ignition delay time was investigated experimentally with a CO2-laser ignition apparatus. 应用CO2激光点火器研究了丁羟推进剂中氧含量、燃速等因素及激光点火热通量与点火延迟时间之间的关系。
- Some important TIR radiation laws have been revealed, such as the characteristics of IR thermography, the increment of IR temperature or radiant flux, the time-dependence features of IR temperature. 进而建立了热辐射参量（辐射温度、辐射通量、热像几何特征）与撞击参数（撞击速度、撞击能、撞击角度等）的关系模型；
- In summary, DMC and DMM can greatly reduce smoke emission and thermal radiant flux, which leads to higher thermal efficiency of diesel engine.So DMC and DMM are ideal oxygenate additives for diesel. 综上所述，DMC和DMM能有效降低碳烟的生成及排放，减少缸内辐射传热量，从而提高了发动机有效热效率，是较为理想的柴油添加剂。
- Spectral radiant illuminance standard lamp 光谱辐射照度标准灯
- The Spectral Distribution of the Radiant Flux of LED Signal Lamp Zhang Cuiwei 发光二极管信号灯辐射通量的光谱分布
- blackbody spectral radiant emittance 黑体辐射密度
- luminous efficacy of radiant flux 光见度
- radiant flux density measurement 辐射通量密度测量
- radiant flux illuminance measurement 辐射通亮照度测量
- Everything looked radiant in the morning sun. 在朝阳之下，万物焕然一新。
- His radiant face told us of his happiness. 从他容光焕发的脸上，我们看出他很幸福快乐。
- Chemical breakdown caused by radiant energy. 光解作用由光能引起的化学分解
