cyanide

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.

Application of Molecule Wire Polymer in the Determination of Cyanide

分子导线聚合物在氰根阴离子检测中的应用研究

Workers have been using hydrogen peroxide to neutralize the chemicals near the site, but Liu Peinian, a professor of material science at East China University of Science and Technology, said that the use of hydrogen peroxide can damage the environment, although the harms are still far less great compared to the deadly chemical sodium cyanide.

在爆炸地周边，工作人员正在用过氧化氢进行中和，华东理工大学材料科学教授刘培念称，使用过氧化氢将有害环境，尽管这样的伤害要比化学剧毒氰化钠要小得多。

A low ? cyanide bright gold plating process with pulse current was developed.

开发出一种低氰脉冲光亮镀金工艺.

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 police say he swallowed a cyanide capsule to avoid arrest.

警察说他为了逃避逮捕就吞了一颗氰化物胶囊。

The destruction on inactivation of cyanide ion may be accomplished by complexion formation.

可以通过形成络合物的方法来破坏氰离子发生钝化作用.

Cyanide is used to kill insects.

氰化物可用来杀害虫.

A substance that can produce deadly levels of cyanide when eaten must be removed.

当食用时,一种可能会产生致命氰化物的物质必须被去除.

A low cyanide bright 22 K gold plating process was investigated.

研究了一种低氰电镀光亮22K金工艺.

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.

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.

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.

She says, Cyanide is natural.

她说, 氰化物也是天然的.

Someone had fed him a lethal dose of cyanide.

有人给他下了致命剂量的氰化物。

The patient expired 29 days after admission because of multiple organ failure secondary to cyanide intoxication.

在住院后第29天,死于因氰化物中毒引起的多器官衰竭.

The effect of ozone capacity, pH value, UV on removing cyanide was studied by using ozone.

采用臭氧氧化法处理含氰废水，对臭氧投加量、pH值、UV等对除氰效果的影响进行了试验研究。

By the experimental results, there is the obvious synergic effect in this MSO and TBP system for gold extraction from alkaline cyanide solution.

结果表明，MSO-TBP体系在碱性氰化液中对金的萃取有较好的协萃效应，MSO的摩尔分数为0.8时，协萃效应系数达到最大，为165。

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.

The performances of extracting gold from alkaline cyanide solution with the extracting reagent of DBC, MSO and DBC-MSO are studied.

研究了在用DBC，MSO及DBC-MSO作萃取剂的碱性氰化液中萃取Au（Ⅰ）的性能。

This is a generally known method for obtaining phenylnitromethane from benzyl cyanide.

从苯乙腈制取苯基硝基甲烷就用这个方法.

Effects of Changes in Electron Flow on the Cyanide-resistant Respiration in Tobacco Callus

改变电子流量对烟草愈伤组织抗氰呼吸的影响

The prisoner committed suicide by swallowing a cyanide.

那个犯人吞了氰化物自杀.

We need to gather all of your voices to say NO Cyanide!

我们需要凝集你我的声音,让我们一起来向山埃说不!

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.

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.

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

氰化物和六价铬都是剧毒物品,随意排放会导致严重的环境污染.

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.

Remoulding of microwave dry system in sodium cyanide plant

氰化钠装置微波干燥系统的改造

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.