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The industrial salt was a kind of compound which was made from metal ions and acid radical ions.

氯化钠在医学中的用途——经过提炼制成100分之0.9的生理盐水。

The Mg〓 ions in solution take part in the formation of passivation film, which was thicker than that formed in solution without Mg〓. In natural saturated air water and aerated water, the effect of several kinds of anions, dissolved oxygen pH and Ca〓, Mg〓 ions on corrosion inhibition of tungstate was investigated.

钨酸盐作为主要成分的缓蚀剂已经开始实际应用,但是对其缓蚀机理、特别是复配使用时的协同增效机理研究不多,本论文对钨酸盐及其复配缓蚀剂的缓蚀作用和协同增效机理进行了研究,并研究开发了环保型无磷钨系复合水处理剂。

After we have designed the lenses system, deflectors, beam aligner, stigmator and mass separator, integrated design of ion optical column was realized by using fifth order Runge-Kutta trace the ions directly. We also simulated the coulomb effect among ions through Monte Carlo method.

各个光学器件设计完成后,将它们组合起来采用五阶龙格-库塔法直接轨迹追踪,实现了离子束光柱体的一体化设计,并利用蒙特卡罗方法仿真了离子间的库仑力效应。

The components comprise the following materials: 40 to 50 percent of GeO2, 20 to 25 percent of SiO2, 0 to 10 percent of Al2O3, 5 to 16 percent of MO or MF2, 0 to 10 percent of R2O3, and 1 to 10 percent of ZrO2; the M is one or more of the alkaline-earth metal ions, the R is one or more of the trivalent rare earth ions.

一种0.3~5um波段红外透过耐高温玻璃陶瓷材料及制备方法,成分包括GeO 2 40-50%,SiO 2 20-25%,Al 2 O 3 0-10%,MO或MF 2 5-16%,R 2 O 3 0-10%,ZrO 2 1-10%;M为碱土金属离子中的一种或几种,R为三价的稀土金属离子中的一种或几种。

Miniaturization of hydroxide of alkaline-earth metal and solubility of salt, flame reaction of alkaline-earth metal ions, separation and identify of alkaline-earth metal ions was investigated.

系统探讨碱土金属氢氧化物及其盐的溶解性、碱土金属元素的焰色反应、碱土金属离子的分离和鉴定等微型化实验,并将其设计成新的微型实验应用于无机化学实验教学,效果良

Radioisotope per second to launch tens of thousands of alpha particles, each alpha particle in its within a very short trip can produce thousands of positively charged ions, that is, with the oxygen ions and a layer of intensive electronic clouds.

放射性同位素每秒钟要发射上万个α粒子,每个α粒子在其很短的行程内可产生上千个离子,即带正电的氧离子及一层密集的电子云层。

Dolomite in powders and rocks reacted with alkalies come from alkaline solutions or released by the hydration of cement to form brucite, calcite and CO〓ions. In concrete or cement compacts, CO〓ions produced would react with portlandite to form calcite and regenerate OH〓ions, which permited a continuing reaction with the dolomite.

在混凝土或水泥压实体中,反应生成的CO〓离子会与水泥中水化生成的羟钙石反应生成方解石,并再生OH〓离子,这有助于去白云化反应的继续进行。

Results Bulbus alkaloids easily formed molecular ions(superscript + in MS and dimerized easily in alcohol solution, which did not dimerize in acidity solution. Collision induced dissociation made these alkaloids easily lose a molecule of H2O. The MS spectra of the extracts of five Bulbu Fritillartae species indicated that the major molecular ions were similar to each other, but different varieties showed very different relative abundances of these molecular ions.

结果 在正离子一级质谱中,贝母生物碱易形成带一个正电荷的准分子离子,并且在中性醇溶液中,贝母生物碱易形成二聚体,在酸性介质中则无此现象;二级碰撞诱导解离易使贝母生物碱脱去一分子水;5种贝母对照药材的总生物碱提取液的一级电喷雾质谱图显示,主要分子离子峰基本相同,但因品种不同相对丰度差异较大。

ResultThe results showed that it had good results of removal heavy metal ions fromwastewater using chaff xanthogenate whenthe pHvalue was neutral or alkaline,the reactiontemperature was 40℃.Ions concomitance was goodfor removal heavy metal ions.

结果结果表明,在pH值为中性或碱性,反应温度为40℃时,谷壳黄原酸盐对重金属离子具有较好的捕集效果;离子共存有利于重金属离子的捕集。

We also obtained rare-earth ions and transition metal ions doped 〓 in the hydrothermal system and found there exist a reductive atmosphere which can reduce the rare-earth ions.

结果发现,在水热体系中存在一种还原气氛,稀土离子可以被还原为低价态,存在变价的过渡金属离子锰离子在产物中还是保持原来的低价态。

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