查询词典 Ion

During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma. In fifties year, research reports studied on RF ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent.

离子源工作时，放电空间交变的轴向磁场和涡漩电场激发放电管中经钯管纯化后通入的氢气电离，形成等离子体。50多年来，关于高频离子源的研究报告很多，但是，这些研究主要都集中在应用研究方面，有关高频无极环形放电离子源的理论与实验模型研究不是很多。

With the interaction of the main control machine and the g AT eway on which the virtual machine is running, the control of the g AT eway and the implement AT ion of security policy can be done by the way of unific AT ion.

以控制代码的跨平台为设计目标，实现其在不同底层嵌入式控制模块上的实时运行，通过主控机与运行在各网关的虚拟机系统进行控制信息的交互，完成安全网关和安全策略的统一化控制和实施。

If an ion contains unpaired electrons , it is called a radical ion.

如果离子含有未成对电子，它被称为激进的离子。

Influences of different duration of oscillation,pH value,initial concentration of uranyl ion and particle size of sand on adsorption of uranyl ion on sand were studied.

应用简单土壤类似物——沙粒，模拟UO22+污染土壤的过程，研究不同振荡时间、不同pH值介质、不同初始ρ(UO22+)及粒径条件对UO22+吸附的影响。

Ion source Vacuum arc discharge Plasma Ion beam

离子源；真空弧放电；等离子体；离子束

Arc-glow plasma depositing technique is a new surface coating method. With the help of vacuum arc discharge, a cold cathode arc source continually emits ion beams of coating elements with high currency density and high ionizing ratio.Upon the ion bombard and diffusion work on, the surfaces of the parts form deposited layers, diffusion layers. In this study, a commercial magnesium alloy AZ91 was coated with Ti film layer.

加弧辉光离子渗镀技术将辉光放电与弧光放电有机地结合起来，利用辉光放电空心阴极效应使工件迅速升温，同时在真空容器壁上设置一个或多个金属阴极电弧靶源，利用真空电弧放电而不断地发射出高能量、高电流密度、高离化率的欲渗金属离子流，依靠扩散和离子轰击作用快速渗入工件表面层，在工件表面可以形成渗层、镀层、渗镀结合层。

This project employed carbon nano-tube as the electron source for ion vacuum gauge. This is to extend the measuring range of the ion vacuum gauge and to prolong the device lifetime.

本专题研究利用奈米碳管作为离子真空计的电子产生源，目的在增加离子真空计之压力量测范围，并延长其寿命。

Be able to ionization happened in molecule or atom in atmosphere under machinery , brightness , static electricity , chemistry or biological energy source effect, whose outer layer electron abjunction atomic nucleus, these lose the electronic molecule or the atom is called the positive ion or the positive ion with positive charge , us.

大气中的分子或原子在机械、光、静电、化学或生物能作用下能够发生电离，其外层电子脱离原子核，这些失去电子的分子或原子带有正电荷，我们称为正离子或阳离子。

It includes the following steps: extract trivalent iron ion and divalent iron ion in water phase through organic extractant, get predecessor of; absterge it with secondary distilled water for2-3 times and get pure load metal predecessor of organic phase; mix organic phase of Mg2 and Fe3 with mol rate of 1:2 and introduce them into autoclave, add distilled water according to the rate of 3:1 or 4:1 of organic phase and water phase and airproof it, and then mix it fiercely, stripping with hydrothermal method at temperature between 200 degree C and 300 degree C and make them react for 2.5 hours; cool it to the room temperature under natural condition, separate liquid and centrifugalize it, absterge it with absolute alcohol for 2-3 times and dry it at temperature of 50 degree C for 30-180 minutes, then get product of magnesium ferrite.

包括如下步骤：通过有机萃取剂来萃取水相中的三价铁离子和二价镁离子，制得有机相前驱物；用二次蒸馏水洗涤2-3次，获得纯净的负载金属有机相前驱物；按照Mg 2 和Fe 3 摩尔比1∶2将有机相混合均匀后引入高压釜中，按照有机相与水相的比例为3∶1或4∶1加入蒸馏水，密封后，对溶液进行强力搅拌，水热反萃的温度在200-300℃之间反应2.5小时；自然冷却至室温，分液，离心分离，用无水乙醇洗涤2-3次，在50℃下干燥30-180分钟，得铁酸镁产品。

This research combine the physical therapy method of the Chinese native medicine ion to induct and though observe clinical case in recent years , refers to "the Chinese Pharmacopoeia","Traditional Chinese medicine dictionary ", in the external use the pharmacopoeia side, chooses 49 herbs commonly used Chinese medicine. Using the flame spectrophotometer to determines K, the Na content; using the atomic absorption spectroscope to determine the content of Mg, Ca, Zn, Mn; using acidometer and the chloride ion selective electrode to determine the content of Cl; using the spectrophotometer determines the content of S.

本研究结合近年来使用中药离子导入方法治疗闭合性软组织损伤的临床病例观察，参考《中国药典》、《中药大辞典》、100余种外用中药典方，选择49味常用中草药，用火焰分光光度计测定K、Na的含量；用原子吸收光谱仪测定Mg、Ca、Zn、Mn的含量；用酸度计和氯离子选择性电极测定Cl的含量；用可见分光光度计测定S的含量。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。