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如果它由两个或两个以上的原子，它是一个多原子离子。If it consists of two or more atoms , it is a polyatomic ion.

这种模型对于精确计算某些多原子分子间的碰撞是十分有用的。This model may be powerful for the calculation of some polyatomic molecule collision.

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研究多原子晶体中强耦合表面极化子的性质。The properties of strong coupling surface polaron in a polyatomic crystals was studied.

固—固相变材料种类较少，其中以多元醇应用最为广泛。Polyatomic alcohol is widely used in solid-solid PCMs which have only a limited diversity.

寻求多原子分子的准确电子波函数主要用mo法。The search for accurate electronic wave functions of polyatomic molecules uses mainly the MO method.

本文提出了一套用模型势函计算多原子分子力场的方法。A method of calculating force field of polyatomic molecule with model potential function is presented.

本论文的主要内容是利用飞行时间质谱仪来探测飞秒激光强场下气体小分子的电离解离。The ionization and dissociation of polyatomic molecules in femtosecond laserfield were studied in the article.

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大多数包含多原子离子的化合物是离子的，同上一节讨论的化合物。Most of the compounds containing polyatomic ions are ionic, as were the compounds discussed in the previous section.

研究多原子晶体中极化子光学声子平均数的性质。In this paper, the properties of the mean number of optical phonons of the polaron in a polyatomic crystals are studied.

从理论上研究了在多原子分子材料中，由激光感生的热致折射率光栅及其驰豫效应。Laser-induced thermal index grating and its relaxation effect in polyatomic molecular materials have been studied theoretically.

本文研究磁场中弱耦合多原子半无限晶体中表面极化子的性质。In this paper, the properties of the weak coupling surface polaron for polyatomic semi-infinite crystals in magnetic field are studied.

介绍采用气相色谱法测定聚合物多元醇中丙烯腈、苯乙烯单体含量的方法。The method for determination of acrylic nitrile and styrene monomer in polymer polyatomic alcohol by gas chromatography was introduced.

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从理论上说明了多原子分子的转动自由度并不都是3，其转动自由度应根据分子的几何构型来确定。This article mainly describe the rotation degree of freedom of the polyatomic molecule, according to the linear molecule, are not always 3.

它由聚乙烯醇树脂，水溶性硼化物及具1，2羟基或1，3羟基的多元醇所组成。The adhesive comprises polyvinyl alcohol resin, water soluble boron compound and, polyatomic alcohol consisting of 1, 2 polyols or 1, 3 polyols.

这个模型适用于参加反应的多原子分子中有一个键较弱，且反应结束后可分为两部分的多原子分子。This model can be applied to the polyatomic molecule in that there is a weakly bond, and after the reaction the molecule can be split into two parts.

如果这种物质是一种多原子气体，那么，吸收带实际上是由一系列表面重叠的不连续的吸收线条组成的。When the absorbing substance is a polyatomic gas, an absorption band actually is composed of a group of discrete absorption lines which appear to overlap.

研究了磁场中多原子极性晶体中多声子相互作用对弱耦合体极化子基态能量和有效质量的影响。In this paper, the properties of the interaction between surface electron and surface optical phonon for a polyatomic crystals in magnetic field is studied.

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本文研究磁场中强耦合多原子极性晶体中表面电子和表面光学声子的相互作用。In this paper, the interaction between surface electron and surface optical phonon for a strong coupling polyatomic polar crystals in magnetic field is studied.

所得结果将对其他多原子分子的强激光场作用下激光诱导等离子体分解动力学过程的研究具有参考价值。These results may provide reference value for the study of laser-induced plasma dissociation kinetics process excited by strong laser of other polyatomic molecules.

在有关多原子分子的研究中，高分辨振转跃迁光谱是很好的了解分子能级结构和能量转移的重要手段。High resolution ro-vibrational spectroscopy is an important tool to understand the the energy-level structures and energy transfer in the studies of polyatomic molecules.