radiation density

Small ripples in the temperature of the cosmic background radiation are thought to be evidence of slight fluctuations in the density of the early Universe, which resulted in the formation of galaxies.

而宇宙背景辐射的气温波动则被认为是宇宙早期密度轻微变化的证明，正是这种密度变化才促使了星系的形成。

The resonance radiation trapping in alkaline-earth metal atomic lasers were investigated according to Holstein's theory. The threshold temperature, ground-state density and resonant level effective lifetime of the resonance radiation trapping were calculated for Ca, Sr, and Ba atomic vapor lasers with different tube radii.

根据Holstein理论研究了碱土金属原子激光中的共振辐射俘获效应，分别计算了Ca，Sr和Ba蒸气激光在不同半径时产生共振辐射俘获效应的阈值温度、基态粒子数密度和共振能级的有效寿命。

The thermal neutron flux density is measured with Soild State Nuclear Track Detector ( SSNTD), and the γ radiation dose rate is detected with Thermoluminescence Dosimeter ( TLD).

中子通量密度采用固体核径迹探测器测量，γ辐射剂量率用热释光探测器测定。

Physical Properties: Hard tightness, High density, little radiation, high polished degree, Anti-acid and alkali resistance etc.

物理性能: 硬密封性, 高密度, 小辐射, 高抛光度, 反 酸和耐碱性等.

With satellite picture, after density slicing, multi-spectra synthesis, temperature retrieval process and so on., we can obtain the thematic image of heat radiation, greenland distribution, and so on, then carry on regional greenland evaluation;

使用卫星图像，经过密度分割、多光谱合成、温度反演等过程，获得哈尔滨市地表辐射温度专题图和绿地分布专题图等，用于区域绿地评价；

This paper introduces briefly the main properties of solar radiation, the technical data in its application, and the method to obtain a high density solar radiation.

本文介绍了太阳辐射能的主要性质及有关技术数据；高密度太阳能源的获取方法；

Calculation of the mode density of dielectric microcylinder and thermal radiation spectrum

介电微圆柱的模密度计算和热辐射谱

By using thermocouples and heat flow radiation sensor, the temperature and radiation heat flow density were measured.

采用热电偶测温系统和热流辐射传感器等仪器对细水雾施加前后火场温度及辐射热流密度进行测量。

The mottled look of the Cosmic Microwave Background radiation is the result of differences in temperature and density.

宇宙微波背景图的斑点是由于温度和密度所造成的。

Radiation crosslinking density of elastomers sensitized by polyfunctional monomers On Electron Density Fluctuations and Radiation Scattering in a Plasma

弹性体高聚物/多官能团单体体系的辐射交联密度完全电磁相互作用等离子体的电子密度涨落和激光散射结构因子