Analcite was used to remove sulphate after processing and purifying . Experimental effect was obvious.

The suitable technology conditions for producing good quality zinc sulphate were determined.

确定了较适宜的工艺条件;并制得高质量的工业硫酸锌.

Cyanex 272 is a new generation extractant for separation of from Ni in sulphate solution.

Cyanex272是新一代在硫酸盐溶液中分离钴、镍的萃取剂.

copper sulphate

硫酸铜

These mines supply the raw material for making ammonium sulphate.

这些矿提供了制造了硫酸氨的原抖.

Export refund rates for calcium hydrochloride, hypochlorites and sulphates of zinc would be raised to 5 %.

将商品次氯酸钙及其他钙的次氯酸盐 、 硫酸锌的出口退税率提高到5%.

Many sulphates have a tendency to form double salts.

很多硫酸盐有形成复盐的趋势.

In addition , the removal effectiveness of Sulphide, Tannin and Chromiun activated sludge system is also examined.

并对生物处理去除制革污水中的硫化物 、 铬、单宁等有毒物质的效果也作了研究.

New technology of once sintering sulphide selenide cadmium base red glaze is researched.

研究了一种一次烧成镉硒红釉的新工艺.

In the nature, the nickel mainly exists by sulphide ore and oxide ore.

在自然界中, 镍主要以硫化镍矿和氧化镍矿状态存在.

And the sulphide mineral deposits lie directly on the sea floor.

而硫化物矿藏直接坐落在海床上.

In this paper the heat balance of pressure leaching for zinc sulphide concentrate is calculated.

笔者对硫化锌精矿加压浸出过程的热平衡进行了计算.

It is very significant the work of and extinguishing the spontaneous combustion of sulphide ores.

该项研究结果对疏化矿矿井内火灾的防治具有重要的指导意义.

This paper presents one's opinion for reduction course in alkali sulphide reduce nitro compound.

本文对硫化碱还原硝基化合物的反应历程写法提出了自己的见解.

In today's chemistry class, the teacher introduced the chemical components of hydrogen sulphide.

今天化学课上, 老师介绍了硫化氢的化学成分.

...hydrogen sulphide.

硫化氢

Of steel, iron, aluminium, copper and rubber pieces together, sulphide.

各种钢 、 铁 、 铝 、 铜件与橡胶粘合 、 硫化.

Verified test with a copper sulphide ore was carried in laboratory scale.

利用某矿山的铜硫矿石进行了实验室验证试验.

Hydrogen sulphide: Rotten egg gas.

硫化氢(味): 臭鸡蛋味.

Crude coke oven gas contains hydrogen sulphide which is produced from sulphur in the coal.

未处理的焦炉气中含有硫化氢气体,它是由煤中的硫产生的.

Silver in the form of silver sulphide was recovered from waste fixing solution with sodium sulphide.

用硫化钠从废定影液中以硫化银的形式回收银,高温灼烧硫化银得纯银,再制备成硝酸银.