查询词典 cyanide

Mainly engaged in: Hydrogen-imide hydrochloride, o-chlorophenyl cyclopentanone, 3.4 dimethoxy ethyl benzene, butyn single potassium acid, potassium ethyl malonyl, Ding amide, amide isobutyraldehyde , allyl chloroacetate, isopropyl chloroacetate Benzyl aluminum, cyclopentene, cyanide-o-chlorophenyl, o-methyl chloride, sulfuric acid chloride, p-chlorophenol, imidazole, Pinacolone, one chlorine Pinacolone.

主要经营：盐酸氢亚胺、邻氯苯基环戊酮、3.4二甲氧基苯乙酯、丁炔二酸单钾盐、丙二酸单乙酯钾盐、丁酰胺、异丁酰胺、氯乙酸烯丙酯、氯乙酸苄酯异丙醇铝、环戊烯、邻氯苯氰、邻氯苯甲酯氯、硫酸氯、对氯苯酚、咪唑、频呐酮、一氯频呐酮。

Objective To establish a gas chromatography method for determination of cyanide in air.

目的 建立一种气相色谱测定空气中氰化物的方法。

Evaluation index of industrial water pollution are defined based on industrial wastewater emission standards and the emphasis of water control, according to industrial water pollution emissions data of 31 provinces in China impact of water pollution is calculated by the improved entropy method, lead, cyanide and ammonia nitrogen are in the top three on the impact of water pollution, water pollutant index are divided into heavy metals index and composite index by variable cluster.

根据我国工业各行业的排放标准和水污染控制重点，确定了我国工业水污染状况评价指标，采用改进熵权法对我国31个省区工业水污染物的排放数据进行计算，得到工业废水中铅、氰化物、氮氨对水污染影响居于前三位，应用变量聚类将水污染物分成重金属指标和复合指标，通过熵值对全国各地区工业水污染总体状况、重金属指标、复合指标进行排序，得到东部、中部地区是我国工业水污染较严重地区，但两个地区工业水污染原因有较大区别。

Under the condition of weak base, chlorine dioxide can oxidize cyanide into no poisonous cyanate, carbon dioxide and nitrogen.

在弱碱性条件下，二氧化氯消毒剂将氰化物氧化成无毒的氰酸盐、二氧化碳和氮气。

The recovery of cyanide and copper from waste effluents of the cyanidation process in gold extraction is important environmentally and economically.

从提金废液中回收氰化物和金属铜一直具有重要的经济价值和环保意义。

Air blasting cyanidation technique was developed to prepare high purity potassium silver cyanide using raw silver or gold as a starting material.

采取金粉或银粉过量投料和控制浓缩水量，可以使反应后废液中的游离氰含量大大降低，有利于环境保护。

A new method of handling cyanide wastewater produced in roasting-cyanidation process was proposed in the paper.

研究提出了一个焙烧—氰化工艺中含氰废水处理的新方法。

PH value is a key parameter during cyanide leaching process.

在氰化浸出过程中，pH值是关键的技术参数。

This paper makes use the original system of pretreating refractory ore by hot-press oxidation to extract gold by cyanide process.

通过试验研究，提出了利用难处理矿石的热压氧化预处理的原有体系直接进行氰化提金的新工艺。

This paper describes the innovation and technology progress of roasting- cyanide leaching process in China,explores the current problems,prospects the developing direction of this process.

叙述了我国金精矿焙烧-氰化浸出工艺自主创新和技术进步的历程，对目前生产中存在的问题进行了探讨，展望了该工艺的发展方向。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。