硫化物

The coprecipitation is based on the formation of water-insoluble inner complex compounds of the trace elements with-SH group-containing reagent and the formation of disulphide directly in the solution owing to the easy oxidizability of the-SH group. During the formation of the solid disulphide phase the trace elements are coprecipitated.

痕量元素和含-SH基团的试剂形成不溶於水的螯合物，由於-SH基团易被氧化从而直接在溶液中形成固相二硫化物，同时将溶液中的痕量元素共沉淀下来。

Electrochemical oxidization of sulfide on platinum in alkaline solution has been studied by using electrochemical techniques.

用电化学方法研究了碱性溶液中硫化物在Pt电极上的氧化过程。

The main measures of prevention polysulfide produce and elimination its influences on gasoline copper corrosion were to increase pH value of gasoline water washing environmental, to decrease oxygenous carrying in compression unstripped gas and to carry out alkali liquor replacement.

防止多硫化物产生、消除其对汽油铜片腐蚀的影响主要措施有：提高汽油水洗环境的pH值；减少压缩富气中氧气的夹带；碱液置换。

If the RE/S ratio reached a critical value, namely about 4, not only the MnS inclusion is completely converted into sulphide and oxysulphide of RE, but also the prior austenite grain is remarkedly refined and their toughness is improved.

当RE/S达到临界比值(约为4)时，不仅使MnS夹杂物完全转变成稀土硫化物和稀土硫氧化物，而且使高温奥氏体晶粒显著细化，改善韧性。

On the paper, The Metallogenic laws of massive sulfide deposits and postmagmatic hydrothermal deposits in time and space are sumed up through main copper and polymetal deposits characteristics, ore-control factors, metallogenic chronology, ore-forming tectonics setting and paleographic reconstruction are studied.

本文在研究主要铜、多金属矿床地质特征和控矿条件基础上力图通过本区铜、多金属矿床的成矿年代学研究，结合成矿构造环境、成矿构造古地理的厘定，从时空两个方面探讨碧口地体块状硫化物矿床和岩浆期后热液矿床的成矿规律。

The order of photocatalytic activity is compared.

采用光催化法对含硫化物的废水处理进行了研究。

Combined with polysilicate aluminum and ferric, this coagulant was thus used to treat tanning wastewater which COD value is ...

这种混凝剂与聚硅酸铝铁絮凝剂配合处理COD为 15 0 0～ 2 0 0 0mg/L制革废水，SS ，COD ，硫化物和铬的去除率分别为 95 %，93 %，92 %和 88%。

A primary seal of polyisobutylene and a secondary seal of polysulphide, polyurethane or silicone ens

中文名称：初步是由聚异丁烯来密封，然后中级密封由多硫化物，聚亚安酯或硅树脂来完成以确保双层玻璃密封的持久性和有效性。

Upon mild oxidation of Ⅸwith iodine in potassium iodide, a disulfide, which was characterized as 3,3'-dithiobis [2-(l-hydroxyethylidene)-3-imino propionitrile], was formed.

将IX用碘/碘化钾温和地氧化得到二硫化物（XIV，即3，3'-二硫-双2-（1-羟乙叉基）-3-亚胺基丙腈。

The feed put in it and the waste matter and metabolites output of it have a series impacts on the sedimental environment.

主要污染影响因素包括有机质、化学制剂和营养盐等直接影响因素；溶解氧、硫化物、底质厚度增加等间接影响因素。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。