辐射

The emission intensity is given by the absorptance of the volume in which there is a difference of the quasi Fermi energies.

辐射强度由存在准费米能级差的体积的吸收率决定。

It is shown by the results of the test in the low temperature condition, that the efficiency of the flat-plate solar collector is mainly depended on the absorptance of the collector coating.

国外太阳能集热器的产品，不少已采用选择性涂层，这种涂层对波长0.3一2.5微米的太阳辐射能的吸收率a甚高，而对波长2.5一40微米的热辐射，其发射率只却很低。

The calculating result shows that the solar radiation absorption coefficient greatly influences the deformation of concrete box girder.

计算结果表明，太阳辐射吸收系数的变化对混凝土箱梁结构的温度变形影响明显。

Finally, it is our most important chapter which discus the two-level systems which interacted with the Shaping-pulse dynamic progress of the absorption, dispersion and refractive index.

在后面几部分的讨论中就会发现，采用布洛赫矢量方法讨论激光脉冲同系统的相互作用，可以形象直观的从理论上观测到色散和吸收或辐射的动态演化过程，既有利于教学演示，又有助于帮助实验寻求更方便的激光整形方式。

Terahertz radiation, which is a kind of electromagnetic wave between the infrared and microwave bands, belongs to far-infrared band. THz time-domain spectroscopy which developed in the 1980\'s has the advantages of high signal to noise ratio, obtaining the absorption coefficient and refractive index of the sample at one time , low energy that can not distroy the biology organise and so on.

太赫兹辐射是指频率位于微波和红外光之间的电磁波，属于远红外波段；20世纪80年代发展起来的THz时域光谱技术，具有信噪比高，能同时获得样品的吸收系数和折射率，能量低，不会对生物组织造成破坏等优点，在材料和生物学等领域得到了迅速的发展和广泛的应用。

The formula of the absorption of each spectral line of CO2 laser radiation by atmospheric CO2 are given.

本文给出了大气二氧化碳对CO_2激光辐射各谱线吸收的计算公式，并利用标准大气资料计算了各谱线的吸收值。

A novel Er3+-doped tellurite glass with compositions of TeO2-ZnO-Na2O-Bi2O3 was prepared, and the intensity parameters, spontaneous emission probability, absorption and emission cross-section of Er3+ ions were calculated according to the Judd-Ofelt and McCumber theory.

研制了一种新型掺铒碲酸盐玻璃TeO2-ZnO-Na2O-Bi2O3，利用Judd-Ofelt和McCumber理论计算了Er3+离子的强度参数、自发辐射几率、吸收截面和发射截面等光谱参数。

The K absorption spectrum is one of the important methods to determine the temperature of radiation-produced plasmas.

铝K吸收谱是诊断辐射加热等离子体温度的重要方法之一。

Undoutedly, it perfected and promoted the thoughts of"Beaux-Arts", so America became a better center of Academicism Architectural Education, and formed a new global radiation.

它无可质疑地完善和发展了"鲍扎"的学术思想，美国也因此很快成为更为优化的"学院派"建筑教育中心，形成了新一轮的全球性辐射。

Solar automatic tracking system according to the local latitude and longitude of automatic detection day and night, and the application of solar radiation and brightness of the environment compared to the automatic tracking system makes the accuracy, reliability, in the course of sunny real-time detection to keep the correct time and angle data, due to seasonal changes and eliminate the accumulated error.

太阳自动跟踪系统能根据当地的经纬度自动检测昼夜，并应用了太阳辐射与环境亮度的比较，使得该自动跟踪系统的准确性高、可靠性强，在晴天检测过程中能实时回存正确的时间和角度数据，消除因季节变化而产生的积累误差。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。