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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Of steel, iron, aluminium, copper and rubber pieces together, sulphide.
各种钢 、 铁 、 铝 、 铜件与橡胶粘合 、 硫化.
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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.
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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.
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A mathematic model for oxidation leaching of sulphide ore developed.
建立了常压预浸合金硫化镍矿的氧化浸出数学模型,并进行了验证试验.
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Hydrogen sulphide bearing gas or water is postulated to be an important reductant in several areas.
含硫化氢的气体和水被认为是某些地区的一种主要的还原剂.
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Pyrrhotite is the most common and iron sulphide mineral in mine wastes worldwide.
磁黄铁矿是矿山尾矿堆中最为常见且分布很广的一种硫化铁矿物.
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Cadmium sulphide or cadmium selenide in polymer based thin film transistor.
聚化合物薄膜电晶体内的硫化镉或硒化镉.
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This article introduces the existing situation of chlorophyl and sulphide in oi!
本文介绍了叶绿素、硫化物在油脂中的存在情况.
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