他的死亡具有氰化物中毒的所有迹象。
另一种2-巯基苯并噻唑法是先将溴氯甲烷与硫氰化钠反应生成硫氰酸氯甲酯，然后硫氰酸氯甲酯与2-巯基苯并噻唑反应得到苯噻氰。
It can also be prepared by reaction of bromochloromethane with sodium thiocyanate to obtain chloromethyl thiocyanate, and then it reacts with 2-mercapto-benzothiazole.
那么，请大家来告诉我，并且记住它，你认为氢，碳和氮中哪个原子,应该在氰化氢的中间呢？
So, why don't you go ahead and tell me, keeping that in mind, which atom in terms of h c or n would you expect to be in the center of hydrogen cyanide?
斯皮策探测到在和我们太阳类似的黄色恒星周围的尘埃盘中有一种原始生命分子-氰化氢，但在更冷的、质量更少的微红色恒星周围却没有。
Spitzer detected a prebiotic molecule, called hydrogen cyanide, in the disks around yellow stars like our sun, but found none around cooler, less massive, reddish stars.
斯皮策探测到在和我们太阳类似的黄色恒星周围的尘埃盘中有一种原始生命分子-氰化氢，但在更冷的、质量更少的微红色恒星周围却没有。
Spitzer detected a prebiotic molecule, called hydrogencyanide, in the disks around yellow stars like our sun, but found nonearound cooler, less massive, reddish stars.
对单一银矿石进行了全泥氰化试验研究。
The experiment on single silver ore and complete cyanide Leaching is studied.
锌基合金的压铸件总是在氰化镀液中镀铜。
Zinc base die castings are always copper plated in cyanide baths.
焙砂提金，金的氰化浸出率达到90 %。
The gold recovery of calcine cyanidation reached 90 percent.
指出了当前电镀生产无氰化过程中存在的问题。
The current problems existing in the non-cyanide electroplating production were presented.
焙砂再经氰化浸出，可使金浸出率达98%以上。
对黄金氰化厂的金属平衡工作有较好的指导意义。
These are of guiding significance to the work for metallurgical balance in cyanide mill.
此外，还报道了乳化技术在阳极氰化反应中的应用。
Furthermore, the emulsion technology used in anodic cyanation is discussed in detail.
叙述了从富集氰化废液中电解回收铜的试验研究结果。
The research results of recovering copper by electrowinning from concentrated cyanide solution were described.
在最佳浸出条件下，其氰化浸金率可达到97%以上。
Under the optimum leaching conditions, a leaching rate of gold could be over 97%.
探讨过的工艺包括氰化、浮选—氰化和预处理—氰化等。
It discusses the technology including cyanidation, flotation cyanidation and pretreatment cyanidation etc.
采用“高效浸金反应器”研究了加压氧化-氰化法提金新工艺。
Pressurizing oxidation cyanidation was studied by using " quick gold extracting reaction container ".
本文介绍了我国氰化法提金废水的产生及对水环境造成的污染。
This paper introduces the effluent from cyanide-abstracting gold and its pollution to the water environment.
本研究为重金属离子强化氰化浸金提供了理论依据和技术基础。
This research has offered the theoretical and technological foundation for the application of heavy metal ions in strengthen gold cyanidation.
研究某褐铁矿型金矿石氰化浸出渣对银和金氰络合物的吸附过程。
The adsorption process of silver and gold complexes on cyanidation leaching residue of an oxide ore containing limonite is investigated.
介绍了过氧化物在氰化浸金工艺中的应用、作用机理及主要影响因素。
Application, action principle and main inference factors of peroxide in the process of cyanide leaching Au are discussed.
研究结果表明，柠檬酸的分散、除杂及螯合作用有助于金的氰化浸出。
It is found that the dispersing, impurity removal and chelating effect of citric acid help gold cyanidation.
多硫化物溶液是一种非氰化浸金体系，其中的有效成份是多硫根离子。
The polysulfide solution is one of non cyanidation systems of gold leaching in which polysulfide ions are the main effective components.
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。
The second was that cyanidation after alkali leaching was followed by flotation of cyanide residue.
在传统氰化浸出之前进行的预处理过程包括焙烧，化学氧化和生物氧化。
The pre-treatment of them before conventional cyanide leaching includes roast, chemical oxidation and biological oxidation.
文中介绍了西门子过程控制系统在金翅岭金矿氰化厂技术改造中的应用。
This paper introduces the successful application of the SIEMENS process control system on cyanidation factory update project of Jinchiling Gold Mine.
由试验选择的两种助浸剂可以显著改善氰化浸出环境，提高金浸出效果。
There are two types of leaching agent selected from experiments that can improve leaching environment and gold leaching result.
本文主要对氰化氢气体在火灾烟雾中的毒性及其抗氰救治措施进行研究。
This paper was aimed to study the toxic mechanism and anti-cyanide measures to hydrogen cyanide (HCN) in fire smoke.
氰化工艺作为金矿冶炼的主要步骤，在整个冶金过程中占有极其重要的地位。
As the main step of gold mine smelt, cyaniding craft plays an important role in the whole process.
用研究的焦磷酸盐镀铜工艺代替氰化镀铜工艺作为过渡铜镀层的无氰镀工艺。
The process of cyanide copper electroplating is replaced by the proposed process of pyrophosphate electroplating copper on magnesium alloy.
用研究的焦磷酸盐镀铜工艺代替氰化镀铜工艺作为过渡铜镀层的无氰镀工艺。
The process of cyanide copper electroplating is replaced by the proposed process of pyrophosphate electroplating copper on magnesium alloy.
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