查询词典 ion exchange

ABSTRACT In the first Born approximation, the laser assisted ion-and positron-atom charge exchange collisions are studied.

本文在Born近似下，系统地研究了强激光场中裸离子与正电子对原子的电荷转移过程，在偶极近似下。

The exchange of the electrovalence of the cupric ion has been testified by XPS-ESCA.Graphite and chloride in the stage structure,seem to be the conductor and insulator,which form the "sandwich" structure.This special structure produced a weak chemical bond belt and provided the carrier space in the perpendicular direction to the c-axis.These factors in and vertical to the direction of c-axis together increased the electrical properties.

GICs将良导体的石墨层与绝缘体的氯化物层在分子尺度上结合起来，所形成的阶结构相当于许多导体和绝缘体层组成的"三明治"结构，产生化学键薄弱的通道，提供了垂直c轴方向的载流子通道，隧道效应和格架空间提供了载流子活动空间，这些因素共同作用使得GICs的电导率成倍增加

As to kaolinite, it is hydrogen bond that breaks, which provides the broken surface with permanent negative charge because of the isomorphic exchange of lattice ion.

2通过对工业淀粉进行氧化和醚化改性，制得了羧甲基淀粉、氧肟酸淀粉、阳离子淀粉和双醛淀粉。

The exchange part of the interaction,which is taken to be of finite range and the density dependence of NN interaction,is accounted for in the folding procedure.The results are used as the real part of the optical potential for heavy ion scattering.

回顾了折叠模型的普遍特征和讨论了理论计算过程，对各种类型的核子-核子相互作用下计算的相互作用势进行比较，发现双折叠模型对大部分系统相互作用势的实部取得了满意的结果。

The calculations of nucleus-nucleus potential are carried out in the framework of double folding model with M3Y-Reid and M3Y-Paris effective nucleon-nucleon interactions. The exchange part of the interaction, which is taken to be of finite range and the density dependence of NN interaction, is accounted for in the folding procedure. The results are used as the real part of the optical potential for heavy ion scattering.

用双折叠模型计算了核核碰撞的相互作用势，其中核子-核子相互作用势采用M3Y-Reid和M3Y-Paris形式，交换部分考虑了有限力程的密度依赖的核子-核子相互作用，程序用于重离子散射光学势实部的计算。

The first battery company-Wanli B attery(600874) was public listed in Shanghai Stock Exchange in 1994.In recent te n years, there were about 90 public listed companies invested in battery and its related projects in China including the investment in raw material such as zinc, electrolytic manganese dioxide and investment in lead acid storage battery ,Ni-MH battery,Li-ion battery and fuel cell.

在最近10年中，深圳和上海至少已经有90家上市公司投资过电池及其相关行业，投资的领域涉及各种原材料和电池等，例如锌、电解二氧化锰等，例如铅酸蓄电池、镍氢电池、锂离子电池和燃料电池等，投资的规模达到至少达到60亿元人民币，是中国传统的电池企业无法相比的。

Ion exchanage materials are also used to purify the chlorous acid and chlorine dioxide solutions, without causing degradation of said solutions, to exchange undesirable ions in the chlorous acid and chlorine dioxide solutions with desirable ions, such as stabilizing ions, and to adjust the pH of chlorous acid and chlorine dioxide solutions.

所述离子交换材料也可以用于纯化亚氯酸和二氧化氯溶液，从而在亚氯酸和二氧化氯溶液中用想要的离子如稳定离子交换不想要的离子，并调节亚氯酸和二氧化氯溶液的pH值，而不造成所述溶液的质量降低。

A simple, selective and sensitive method was investigated for simultaneous determination of anions (SO2－4, Cl－, NO－3, F－) and cations (Na＋, NH＋4, K+, Mg2＋, Ca2＋) by single-column ion-exclusion-cation-exchange chromatography with conductometric detection. DL-malic acid-methanol-water was used as an eluent.

采用单柱离子色谱系统和电导检测的方法，首次以DL-苹果酸-甲醇水溶液为淋洗液，简便、有效地同时分离、检测了溶液中SO2-4、Cl-、NO-3、F-、Na+、NH+4、K+、Mg2+、Ca2+9种离子。

The two ion theories related to dipolar interaction and anisotropic exchange interaction are also introduced briefly.

对于磁偶极子及各向异性交换作用的双离子理论的计算方法也作了扼要的介绍。

The simultaneous determination of sulfamic acid and DL-malic acid in environmental friendly electropolishing solution by ion chromatography was described. Sulfamic acid and DL-malic acid were well separated by using Metrosep A Supp 5 150 anion exchange column for separation and 3.2 mmol/L Na2CO3-1.0 mmol/L NaHCO3 as eluent.

采用Metrosep A Supp5150阴离子分离柱，以3.2mmol/L Na2CO3-1.0mmol/L NaHCO3为淋洗液，氨基磺酸和DL-苹果酸可得到很好的分离，使用离子色谱为检测手段可实现环保型电镀抛光液中氨基磺酸和DL-苹果酸的同时测定。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。