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The difference of the characteristics of HHQ monolayer is dependent on the difference of radii,nuclear charges and the structures of valence shell of metal ions.

金属离子的半径、电荷及核外价电子层结构不同是影响HHQLang－muir单分子层膜性能的本质原因。

In this paper we present the results of a theoretical study of the focusingproperties of a symmetrical two-cylinder lens with identical radii and negligibleseparation for relativistic electron beams.

本文提出相对论情况下双圆筒静电透镜的聚焦性质，得出在薄透镜近似下的解析公式，并给出计算实例及与数值积分计算相比较。

The influence of the welding parameters such as angular velocity of the pin, the radii of the pin and the shoulder, the cone angle, the screw-thread angle, etc., are studied in detail.

文章建立了搅拌摩擦焊接过程的三维有限元热分析模型，讨论了旋转速度、搅拌头半径、轴肩半径、搅拌针锥角以及螺纹角等焊接参数对工件温度场的影响。

Density functional theory calculations were performed to study the structures and relative stability of the gadolinium complexes, Gd(H2O)n3+(n=8,9), in vacuo and in aqueous solution. The polarizable continuum model with various radii for the solute cavity was used to study the relative stability in aqueous solution.

用密度泛函理论方法研究了气相和水溶液中Gd(H2O)n3+(n=8，9)化合物的结构和相对稳定性，其中水溶剂效应利用极化连续介质方法结合多种溶质空腔模型进行模拟。

The melting temperatures and heats of fusion decrease approximately linearly with the reciprocals of cluster radii.

团簇的熔点和熔化焓与团簇半径的倒数呈线性关系。

BY molecular dynamic simulation on the self-diffusion properties of Cu nanoclusters, we found the diffusion coefficients of copper nanoclusters Nc8949 increase with the increasing temperature and increase with reciprocals of their radii approximately at

本文通过分子动力学模拟研究了纳米铜团簇的自扩散性质，结果表明Nc8949铜团簇自扩散系数随温度的升高而增大，在温度为1000K时纳米铜团簇的扩散系数随团簇半径的倒数基本呈线性增加。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。