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In the mass spectrograph the ions are focused onto a photographic plate .

在质谱仪中,离子聚焦在感光板上。

A novel Er3+-doped tellurite glass with compositions of TeO2-ZnO-Na2O-Bi2O3 was prepared, and the intensity parameters, spontaneous emission probability, absorption and emission cross-section of Er3+ ions were calculated according to the Judd-Ofelt and McCumber theory.

研制了一种新型掺铒碲酸盐玻璃TeO2-ZnO-Na2O-Bi2O3,利用Judd-Ofelt和McCumber理论计算了Er3+离子的强度参数、自发辐射几率、吸收截面和发射截面等光谱参数。

According to the measurements of the decay of Dember photovoltage, together with pH, pAg, and UV-Vis spectra, the sensitization of NaTAI is attributed to the reduce of interstitial silver ions in the silver ions in the silver halide grain, which results in elevation of latent image formation efficiency.

通过Dember光电压衰减测量,并结合对PTG材料乳液pH值和pAg值的测定以及紫外可见吸收光谱分析,引入NaTAI可以延长光电子寿命,有利于提高潜影形成效率,从而提高感光度。

Fatty acid compositon is the primary acid component that can react with metal ions in DCS to form sticky insoluble soap; while resin acid does not form soap with metal ions at lower temperature and does form insoluble soap with less sticky at higher temperature. pH value is the key factor influencing the deposit of pitch with the presence of DCS in DIP, there is little deposit at lower pH however the deposit increases obviously with the increase of pH.

脂肪酸是与脱墨浆 DCS 中金属离子形成黏性不溶性皂的主要酸性组分,树脂酸在低温时几乎不形成皂,高温时有不溶性皂产生但沉积性较低。pH值是影响树脂在脱墨浆 DCS 存在时沉积的关键因素,在低 pH值时胶体树脂沉积程度较低,而在中碱性 pH 值时,沉积量显著增加。

In the solution,low concentration sulfate ions was determined by a direct titration with barium perchlorate as titrant and thorin as the indicator;the concentration of calcium ions was determined by a direct EDTA titration using Calcon carboxylic acid sodium salt as the indicator.

先用高氯酸将固体混合物溶解形成水溶液,然后以钍试剂为指示剂,用高氯酸钡溶液滴定溶液中的微量硫酸根,并用EDTA法以钙红为指示剂滴定溶液中的钙离子,从而可以计算出钙基脱硫剂的固硫率(表示为脱硫后固体混合物中的钙硫化)。

When hexanoic acid and heavy metal ions coexist in the solution,the adsorption of metal ions by clay tends to decrease because of the competitive adsorption of hexanoic acid.

当溶液中己酸和重金属共存时,由于竞争吸附使得粘土对重金属的吸附能力普遍有较小幅度的下降;当溶液中存在腐殖酸和重金属共存时,粘土对重金属的吸附能力增强,主要是由于酸性条件下富里酸发生解离后与重金属络合,其络合物与粘土颗粒有一定的结合能力,增强了粘土对重金属的吸附能力。

Based on research results on anodic and cathodic process, mixed-potential models of gold dissolution in the presence of heavy metal ions have been constructed. A Viewpoint is proposed that only being associated with cathodic enhancement by using assistant such as hydrogen peroxide do heavy metal ions enhance gold dissolution in cyanide solutions to the greatest extend.

在详细研究了重金属离子存在条件下金的阳极溶解和氧的阴极还原行为的基础上,构造了重金属强化氰化溶金的混合电位模型,提出了只有在辅以阴极强化的条件下,重金属离子才能最大限度强化金的氰化溶解的观点。

One of the most popular ideas for building a quantum computer with trapped ions would involve having many ions, entangled and in superpositions, whizzing around and being manipulated by laser beams," says Jost."

一个最流行的想法,建立一个量子计算机与被困离子将涉及了许多离子,并在叠加纠缠,呼啸周围和被操纵的激光束说,&乔斯特。&

The ion mobility was measured at different temperatures and the effects of the temperature in drift tube on the variety and yield of the reactant ions and product ions were discussed.

离子迁移率、反应物离子的种类和产量与漂移管工作温度有很大的关系。

Li X D. Theoretical study of the autoionization levels for Li-like ions and the dielectronic recombination for He-like ions in Ti and Cr system, and the electronic temperature diagnostic using Ti and Cr as trace.

李向东。Ti、Cr类Li自电离能级、类He双电子复合的理论研究及Ti、Cr示踪元对等离子体电子温度的诊断。

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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

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。