离子

To improve the stability and the depth of the pseudo-potential well of the ion trap, two sets of RF sources and the corresponding detection circuits were designed and implemented in a Paul trap.

为了满足离子囚禁稳定性以及提高离子囚禁势阱深度，设计和制作出两套囚禁离子的射频源和射频共振吸收检测电路。

The observed EMF values of oxygen concentration cellcoincided with theoretical values perfectly, indicating that it was purely oxide-ionicconductor with oxygen ion transference number of 1. It was shown to have the oxide ionicconductivity of 0.03 S·cm~(-1) at 1000℃.

氧浓差电池电动势的实测值与理论值吻合得很好，氧离子迁移数为1，表明该样品在该温度下氧气气氛中为一纯氧离子导体，1000℃时样品的氧离子电导率为0.03S·cm~(-1)。

The maximal conductivity of the ceramic is 3.2×10－2 S·cm－1 in O2 at 1000 ℃. The conduction in the ceramic is purely oxide-ionic with oxygen ion transference number of 1 over the whole temperature range of 600～1000 ℃. This ceramic is obviously superior to YSZ ceramic in oxygen pump performance.

结果表明，该陶瓷样品在600～1000 ℃下氧离子迁移数为1，氧离子电导率的最大值为3.2×10－2 S·cm－1，是一个优良的氧离子导体；它的氧泵性能明显地优于YSZ。

By remaking now available glow ion nitrogen furnace and technological test , the range of ion nitrogen is enlarged, the questions of oxide and being out of shape are solved.

通过改造现有辉光离子氮化炉及工艺试验，扩大离子氮化的氮化范围，解决离子氮化后的氧化及变形问题。

A computer simulation based on strong-weak model shows good agreement with the linear theory. The linear theory of the ion trapping instability caused by ions in equilibrium is also introduced in this paper.

包括不稳定性的增长率与中性化系数的关系、阈值与中性化系数的关系、束流的相干频率漂移和展宽、离子在空间的分布和尺寸、离子动态丢失的机制以及离子在储存环内积累的极限。

Those ions will perform stable oscillation nearby the beam orbit while their mass is larger than a critical mass. The accumulation of trapped ions nearby the beam orbit, interacting with beam, can cause the tune shift of beam, blowup of beam emittance, increase of local vacuum pressure, and can even lead to the occurrence of beam instability.

这些被俘获的离子在束流轨道附近的积累并和束流的相互作用，会引起束流振荡频率的漂移和展宽、束流发射度的增加、局部真空度的恶化等各种负效应，有时甚至会导致束流不稳定的发生，从而影响储存环的正常工作，在这种情况下采用离子清洗方法将离子清洗掉对保证储存环的长期、稳定的运行是必要的。

The influence of steam-system key factors on the Long-term volume stability, including shrinkage and creep, of C50 high- performance concrete is systematic studied and the comprison expression between the internal humidity and self-contraction of C50 high-performance concrete is established in the Steam- environment.

系统研究蒸养制度各个关键因素对于C50管片混凝土的抗氯离子扩散性能的影响，并采用灰色关联分析方法对混凝土的氯离子扩散系数与其关联因子进行灰色关联分析，找出影响混凝土抗氯离子渗透性的主要因素。

Zinc Phosphate will render coating materials excellent rust-preventing performance and good resistance to water.

磷酸锌在三价铁离子具有很强的缩合能力，这种磷酸锌的根离子与铁阳极反应，可形成以磷酸铁为主体的坚固的保护膜，这种致密的纯化膜不溶于水、硬度高，附着力优异呈现出卓越的防锈性能，由于磷酸锌基因具有很好活性，能与很多金属离子作用生成络合物，因此，具有良好的防锈效果。

The results of the study showed that the cholesterol, sodium, total protein and iron content of the yellow leg chicken were higher than the white leg chicken. Glucose, phosphorous, cholesterol, triglyceride, total protein in the blood of castrated chicken were higher as compared with non castrated chicken, but blood urea nitrogen was lower in castrated chicken.

试验结果指出黄脚胫的鸡在胆固醇、钠离子、总蛋白质和铁离子上比白脚胫的鸡为高，去势鸡其血中葡萄糖、磷离子、胆固醇、三酸甘油脂、总蛋白质均较不去势鸡为高，但血中尿素氮比不去势鸡低。

The reaction characters and disciplinarians were summarized, which were described as self-chemical ionization reactions.

利用离子阱质谱的原理和特点，研究了小分子醇、醚、胺、醛、酮等有机化合物(分子量小于 2 0 0 )在离子阱里的分子离子反应，总结了反应特点和规律，并把它归类为自身化学电离反应。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐