查询词典 zinc-plate process

The objective of this research consists of two parts. In the first part, the heavy metals such as copper, zinc and nickel will be taken to study the effect on SRB during bioprecipitation process using mixture design. In the second part, bacteria population will be examined thoroughly using molecular techniques such as FISH, DGGE and PCR.

此研究主题主要分成二部分，首先利用混合实验设计法探讨三种不同浓度重金属对於硫酸还原菌进行生物沈淀程序之影响，其次藉由萤光原位杂交法计算出硫酸还原菌占总菌之百分比，并透过变性梯度胶体电泳法探究反应过程中微生物族群之变化。

Using photosynthetic bacteria that generate this toxic form of oxygen, Elizabeth Campbell, a research associate in Seth Darst's Laboratory of Molecular Biophysics, and her colleagues determined the unique arrangement of atoms in this two-protein complex, called s E /ChrR - and in the process, clarified the key to the structure's function: a single zinc ion.

Seth Darst的分子生物物理学实验室的一位助理研究员Elizabeth Campbell与其同事确定了这个由两种蛋白组成的复合物中原子特有的排布状态。并找到了决定该结构功能的关键：一个单个的锌离子。

The trivalent chromium passivation film based on zincate plating obtained has compact structure with no obvious crack, and excellent anticorrosion performance. Different compositions are detected from the surface to inner film, the surface mainly contains Cr2O3-Cr3-ZnO compound, the inner (1030 nm to surface) composes of Cr2O3-ZnO-Zn.The forming process of passivation film possibly consists of four steps which are zinc dissolution, basic area appearance, gelatiniform film forming and converting to passivation film.

结果表明：锌酸盐镀锌层的三价铬钝化膜表面结构致密、无明显裂纹，具有较好的耐腐蚀性能；这种钝化膜表层与里层的组成不同，表层的组成为Cr2O3-Cr3-ZnO共混物；里层(离表层10~30 nm处)的主要组成为Cr2O3-ZnO-Zn共混物；钝化膜的成膜过程可能包括镀锌层的溶解、碱性薄层的形成、胶状膜的形成和胶状膜转化成钝化膜4个步骤。

In the hydrometallurgical process of zinc, the fluctuation of impurities concentration in the electrolyte has a serious influence on technical parameters.

阐述了湿法炼锌过程中，由于电解液中杂质的波动对锌电积过程主要技术经济指标产生的严重影响，分析了金属杂质、骨胶浓度与阴极过电位和电流效率的关系，提出了利用阴极过电位对锌电积最佳添加剂浓度及新液质量的控制方法。

According to years' production practice of Silver flotation process in certain plant's Zinc system and combining production status, the paper points out several ways to increase the output of flotation Silver under the prerequisition of not influencing the production of main system.

摘要文章以株冶锌Ⅰ系统银浮选工序生产实践为例，结合目前生产现状，指出在不影响主系统生产的情况下，提高浮选银产量的几条重要途径。

This phenomenon may result from the dissolution of zinc in the bath and then its reprecipitation on the surface of the alloy in the etching process.

这是因为合金中锌元素在碱洗过程中，由于溶解与再沉积作用，在型材表面富集，从而使合金表面电化学性质不均匀，造成碱洗不均匀，引发雪花状腐蚀。

Discussed mine of zinc of lead of stannic iron hill nearly 10 years to come, in geological data, production exploration and geology look for the geology in mine and mine mine process to manage the job, think to strengthen mine ground to pledge administrative job is one of important steps that raise mine economic benefits.

论述了锡铁山铅锌矿近10年来，在地质资料、生产勘探和地质找矿与矿山开采过程中的地质治理工作，认为加强矿山地质治理工作是提高矿山经济效益的重要手段之一。

A clean production technology of sodium sulfoxylate formaldehyde by one-step process with sodium pyrosulfite ,zinc powder and formaldehyde as raw materials was studied in detail.

详细研究了以焦亚硫酸钠、锌粉和甲醛为原料，一步法合成甲醛合次硫酸氢钠的清洁生产工艺，其最佳操作条件为：焦亚硫酸钠与锌粉物质的量比约1∶2.5，焦亚硫酸钠与甲醛物质的量比约1∶2.1，亚硫酸氢钠溶液的pH 3.3~3.6，活化温度≤45℃，最高温度97~102℃，高温反应时间

THESE MACHINES CAN BE UNSAFELY USED TO PROCESS THE MATERIALS OF BASALT, LIMESTONE'S, LEAD ＆ ZINC STONES, SNAKE-GRAIN STONES, RIVER, COBBLES AND GRANITES, ETC.

该系列产品广泛适用于玄武岩、石灰岩、铅锌石、蛇纹石、河卵石、花岗石等各类物料的破碎加工与整形。

There is a big problem that too much sulphur is wasted in lead bullion pyro-refining process by adding sulphur directly in northwest metallurgy of lead and zinc factory. As to the problem, a new method to decopper from lead billion through changing sulphur to PbS is invented.

针对西北铅锌厂粗铅火法精炼过程中，直接加单质硫进行除铜而出现硫损过大的问题，对除铜工艺中硫的利用方式进行了研究，提出一种除铜新工艺，即利用硫化铅代替单质硫进行除铜。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。