Cyanide and Cr ( VI ) are highly poisonous substances that cause serious environmental pollution when discharged arbitrarily.

Cyanide is used to kill insects.

氰化物可用来杀害虫.

The second was that cyanidation after alkali leaching was followed by flotation of cyanide residue.

比较结果表明,采用碱浸预处理后氰化、氰渣浮选工艺经济效益更好.

HOLD ALL CYANIDE ADDITIONS AND BEGIN LETTING THE LEVEL OF METAL AND CYANIDE DECREASE.

保持所有氰化物添加,同时开始将镀液内金属及氰化物浓度减低.

The dissociation mechanism of the cyanide also was discussed theoretically and some possible mechanisms were proposed.

此外,还探讨了预处理体系中金属氰络合物的离解机理,提出了各种存在形式氰化物离解的可能机理.

The prisoner committed suicide by swallowing a cyanide.

那个犯人吞了氰化物自杀.

And extracting it from this rock often means leaching it out with cyanide.

从岩石中提取意味着还会残留下有害的氰化物.

A univalent radical , CN, found in simple and complex cyanide compounds.

'氰'.''基一种单价基因,''.'氯'. ''化苯乙酮, 存在于简单的和复杂的氰化物中.

Performances of direct extraction of gold from alkaline cyanide solution with guanidine hydrochloride were studied.

研究了盐酸胍直接从碱性氰化液中萃取金的性能.

In appropriate conditions, peroxide can increase the leaching ratio of cyanide leaching and decrease cyanide consumption.

过氧化物在适宜条件下可以提高氰化浸金的速率,降低氰化物的耗量.

A new process of non cyanide gold imitation plating was advanced.

提出了一种无氰仿金电镀新工艺.

This is a very rare case of acute and lethal cyanide intoxication.

这是一极为罕见致死性氰化物中毒的急症.

To extract gold silver from gold, silver containing ores by pressure cyanide leaching is studied.

采用加压氰化浸出法研究了从含金银矿石中提取金银.

Near infrared heptamethine cyanine dyes applied as functional dyes are gradually extending their application fields.

近红外七甲川花菁染料作为功能染料不断得到广泛应用.

Cyanine of bare orange olivine is violet, multicoloured , contend for strange bottle colourful.

赤橙黄绿青蓝紫,五光十色, 争奇斗艳.

Properties, uses and synthetic methods for 2,6-dichloro-cyano-benzene were described.

介绍了2,6-二 氯苯 甲腈的性质 、 用途及合成方法.

Two series of tolan-type liquid crystals containing terminal cyano group were synthesized.

设计并合成了一类新型末端氰基取代含氟二苯乙炔类液晶.

Experience had shown that accidents due to cyanoacrylate are handled best by passive, non-surgical first aid.

经验显示,氰基丙烯酸盐粘合剂最适于用在被动的, 非 外科急救当中.

By constructing micro-universal model, the process and disappearing of Cyanobacteria bloom has Been simulated.

通过构建微宇宙模型, 以铜绿微囊藻为供试藻种模拟蓝藻水华生消过程.

Any of a group of water-soluble proteinaceous pigments that occur in red algae and cyanobacteria.

藻''.'青'.''素,藻''.'胆'.''汁三烯可溶于水的一种蛋白质类色素,红水藻和藻''.'青'. ''菌中含有此物质.

The first recorded episode of animal poisoning attributable to cyanobacteria occurred in Australia in 1878.

首集录动物中毒原因于1878年在澳大利亚发生蓝藻.