硫化

Objective To improve the method for separating sulfuret from wastewater.

目改进废水中物分离方法。

These effects are antagonizeed by sodium sulfide.

这些效果被钠中和了。

Conclusions Phosphorus pentasulfide could cause damages to eyes of...

结论五二磷对作业工人眼部有损伤。

An ingredient called “factice” is what does the erasing.

起擦除作用那种成分叫做“油胶”。

It will become to white zinc sulphide after absorbing sulfide in air to be poor at primary stainability.

它能与大气中物合成白色锌而抑制初期着色。

Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.

黄铁很多，并且含钴，在物块体中成稠密斑块。

Primary violarite has comparatively big particle size,and it is considered the easiest flotation copper-niekle-sulphide ore.

紫铁原生粒度较大,被认为是最易浮选物。

In hot rolled state the granular linea sulfide was induced to precipitation of banded pseudopearlite.

相邻呈现续条状分布物颗粒在热轧状态诱导伪珠光体析出并呈带状分布。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、甲苯、二碳、二氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

Effects of sulfuration metaboly of active ingredient in food were inquiried by tactic of nutritional genosome.

以营养基因体策略来探讨食物活性成分对人体代谢作用之影响。

In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.

由于炼油厂装置腐蚀主要是由原油中物和酸性介质所产生。

The physical properties of rubber accelerator 2-mercapto benzothiazole and main methods for its preparation are introduced.

介绍橡胶促进剂2-巯基苯并噻唑物理性质和主要制备方法。

The practice showed that the blast furnace slags mainly consisted of melilite,cuspidine,bivalent metallic sulphide and Ce-Ca silica.

黄长石、枪晶石、二价金属物、铈钙硅石是构成高炉渣主要物。

Sodium thioantimoniate is used to make quinsulfide antimony and to clean the solution during zinc electrolytic deposition.

代锑酸钠主要用于制备五锑以及在电解锌过程中清理溶剂以析出金属锌。

A new chelatometry has been applied to measure molybdenum quantities of molybdenum disulfide lubricant,replacing the traditional weight method.

提出了新螯合滴定法测定二钼量,用以取代传统重量法。

As a especially effective collector for processing copper sulphide ore, methyl sulphonamide features good selectiveness and strong collection.

甲基氨酯作为选特别有效捕收剂,具有选择性好、捕收力强特性。

Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide(27.5%) as oxidant.

以二乙胺和二碳为原料,经双氧水(275%)氧,一步合成了四乙基秋兰姆二。

2 Liquor ratio and alkali dosage: The technical parameters of sulphidity are also resulted from the experiment.

2液比、用碱量：度工艺参数也是根据实验得出数据。

The results shows that polyphosphate ferric sulfate is suitable to decontamination for sulfate, COD turbidness etc. in the wastewater.

结果表明,聚合磷酸铁对废水中物、COD、悬浮物及浊度等均具有较佳去除效率。

A comparison was made among the cure characteristics and physical properties of three different substituted thiuram accelerators in NR.

对3种不同取代基秋兰姆类促进剂在天然橡胶中特性及物理性能进行了比较。