A radiation line strength database, HITRAN, is used to calculate the standard absorption cross-section.
利用HITRAN数据库中的辐射线强等参数建立了用于浓度反演的标准吸收截面。
When the upper state population is not reversed, the channel with greater ratio of emission and absorption cross-section has greater competitive advantage.
当上能级粒子数处于未反转分布态时，具有较大的发射截面与吸收截面比值的波长信道拥有相对较大的增益竞争优势。
Studying the absorption characteristic of SO2 flue gas is the base of online monitoring. The temperature and pressure have different effect on absorption cross-section.
研究SO2吸收性是光谱法在线监测的基础，被测环境的压力和温度等因素对SO2吸收截面有不同程度的影响。
Taking anthracene-porphyrin-anthracene triads as example, we found that the intra-molecular charge transfer process can largely enhance the three-photon absorption cross-section.
以蒽-卟啉-蒽分子为例，从激发态之间的跃迁密度分析发现，分子内电荷转移过程可以极大地增强三光子吸收。
The relationship between the temperature dependence of Erbium-doped Fiber Amplifier(EDFA) gain and emission and absorption cross-section of Erbium fiber is analyzed theoretically.
从理论上分析了掺铒光纤放大器（EDFA）增益的温度特性与铒光纤发射截面和吸收截面的关系，并通过实验研究了其增益随温度的变化关系。
We propose the coupled-cluster equation of motion method coupled with semiempirical Hamiltonian to calculate the multi-photon absorption cross-section for complex molecular systems.
我们提出了用耦合簇运动方程方法并结合半经验哈密顿参数来计算大分子体系的多光子吸收截面。
And then of course as part of the absorption we have a fission cross section which, as I said earlier, is what we want to focus on so we can make some power and some heat.
当然作为吸收的一部分，我们有裂变横截面，那是，我之前说的，是我们想要关注的，所以我们可以创造，出一些动力和一些热量。
We call that a cross section which is the microscopic cross section which as we mentioned before could be absorption, capture, fission, scatter.
我们称为一个横截面,那是宏观横截面,那我们之间提过的，可能是吸收，捕获，裂变，散射。
We can then look at uranium 238 which has a relatively low absorption thermal energy range and essentially has no fission cross section which is why we call uranium 238 a fertile atom.
我们能看看铀238，它有一个，相对低的吸收热能范围，基本上没有裂变横截面，那就是为什么我们称铀238为可转换核素。
And that is measured as a macroscopic cross section of absorption thermal divided by the integral of all energies in terms of absorptions.
那是被测量的，作为吸收热能的，宏观横截面，除以全部的，吸收的能量的乘积。
The absorption term also is relatively straight forward, macroscopic absorption cross section times the flux.
吸收项也是相对直接的，宏观吸收横截面乘以流量。
You have what we call a total cross section which is the total probabilities of either scattering or absorption. These are the two phenomenon that we are talking about.
你们有我们称为总横截面的,那是散射或者吸收的总概率,这些是我们要谈论的,2个现象。
The dipole oscillator sum can be expressed in terms of the integrated photo absorption cross section.
偶极谐振子和可以用积分后的光子吸收截面来表示。
The molecule has the largest two-photon absorption cross section among its series of studied derivatives.
该分子在相应系列衍生物中具有最大的双光子吸收截面。
Zircaloy - 4 is generally used as fuel tubes in pressurized water reactors because of it " s low neutron absorption cross - section, excellent corrosion resistance, good strength and ductility".
由于锆4合金具有低的中子吸收截面，良好的抗腐蚀能力、高强度以及延展性好的特点，被广泛用于压水堆作为核燃料棒的包壳材料。
Differential absorption cross section are obtained.
得到了紫外波段的差分吸收截面。
The specimens have large absorption and emission cross section.
样品具有较大的吸收和发射截面。
Theoretical prediction on various kinds of dynamic information, such as the total absorption cross section, product vibrational distribution, and branching ratio, are presented.
理论对各种动力学性质作出了预言。这些性质包括：吸收截面、产物的振动分布、反应通道比。
The theoretical method for calculating the absorption coefficient of the absorber is provided by analogying the acoustic field in a tube with varying cross section.
对尖劈型吸声材料用类比变截面管道的声场理论，给出了计算其吸声系数的一种方法；
The changes of crystal absorption spectrum and coloring were analyzed, and the correlative parameters such as separation coefficient, concentration and absorption cross section were calculated.
分析了晶体真空退火前后的吸收光谱和着色等变化，并根据吸收系数变化计算了晶体分凝系数、浓度和吸收截面等参数。
Results show that the two compounds are good two-photon absorption materials, and the two-photon absorption cross section of DPVMB molecule is stronger than that of PVMB molecule.
计算结果表明，这两个化合物都具有较好的双光子吸收特性，且具有两分支结构的DPVMB分子比具有单支结构的PVMB分子有更强的双光子吸收强度。
Basic vessel, pressureless, constructed from steel with built-in butyl-rubber diaphragm across the entire cross-section for absorption of the expansion water when atmospherically separated.
它是一台无压力的基本容器，由钢材而制成，整个横截面内覆一层丁基橡胶膜以吸收常压分离时蒸发的水。
Basic vessel, pressureless, constructed from steel with built-in butyl-rubber diaphragm across the entire cross-section for absorption of the expansion water when atmospherically separated.
它是一台无压力的基本容器，由钢材而制成，整个横截面内覆一层丁基橡胶膜以吸收常压分离时蒸发的水。
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