查询词典 cyanide

State Printing 10000 Main furniture surface paper production and development, strengthen the floor surface of paper, paper plate surface cabinets, decorative sheet metal surface, such as ammonium cyanide Trimerization decorative paper printing.

万国彩印主要生产开发家具表面纸、强化地板表面纸、橱柜板表面纸、装饰板材表面等三聚氰铵印花装饰纸。

The source and formation mechanism of methyl carbamate in liquor covered the followings:①methyl carbamate formed by spontaneous chemical reaction of carbamide and methanol in fermented and undistilled alcoholic beverage;②in alcohol produced by grains as raw materials, cyanide precursor of grains formed into cyanate during fermentation and distillation, which further developed into methyl carbamate in alcohol.

白酒中氨基甲酸甲酯的来源和形成机理主要有：①在已发酵的和未蒸馏的酒精饮料中尿素和甲醇自发的化学反应生成氨基甲酸甲酯；②以谷物为原料生产的酒精中，氨基甲酸甲酯形成的途径来源于谷物的氰化物前体在发酵和蒸馏时反应形成的氰酸盐，氰酸盐在酒精中转化为氨基甲酸甲酯。

The acidifying process is suitable for treating high density of cyanidebearing waste water,however the cyanide content of the treated waste water is generally in the range of 5～50mg/l needing secondary treatment so as to reach drainage standard.

酸化法适用于高浓度含氰废水的处理，处理后的废液含氰一般在5～50mg／L，需进行二次处理方能排放。本文通过小型试验、工业试验研究结果，探讨了过氧化氢氧化法处理酸性含氰废水的可行性。

Its photoluminescent mechanism has been studied with molecular orbital calculations, showing that the photoluminescent properties are both π〓→π〓 transition of the uncoordinated phen molecules and metal-to-ligand charge transfer , admixed with the cyanide-to-ligand charge transfer of the molecules.

通过分子轨道计算研究了配合物的光致发光机理，显示它的荧光性质既有未配位的phen分子的π〓→π〓跃迁，又有分子的金属到配体的电荷转移跃迁同时混合了部分的氰根到配体的电荷转移跃迁。

In chapter four, a real continuous-flow process for synthesis of alkyl bromides or cyanides was demonstrated by nucleophilic substitution reactions of tosylates with bromide and/or cyanide conducted in ionic liquid.

第四章：以离子液体中对甲苯磺酸酯的亲核取代反应为例，探讨了一种新型的&反应原料不断加入而反应产物可以得到即时分离&的连续化反应流程。

Tianjin Huasheng Chemical Industry Company Ltd. Has a history of more than 50 years and belongs to a middle enterpise, that is engaged in the productions of cyanide and gas series. The company and MaCao Dong Sheng Hang had invested in a project for the production of cyanides in 1993. At present, the company has a stronger management and a high technique strength. The quality of product is fist class, that was extra best product of city and ministry in the past.

我天津华升化工有限公司是有五十多年生产历史中型老企业，生产氰化物和气体两大系列产品，氰化物产品于1993年和澳门合作成立今天的天津华升化工有限公司，管理水平高，技术力量雄厚，产品质量可靠技术服务周到。

Liquid nitriding adds more nitrogen and less carbon than either cyaniding or carburizing in cyanide baths.

液体渗氮时在氰化物溶液中加入比氰化及渗碳都较多的氮和较少的碳。

This paper puts forward the Theory of Oxidant supplying Oxygen which better explains the leaching mechanism. This theory absorbs and denies the five theories brought up about gold leaching mechanism with cyanide, analyses and caculates from them odynamics and kinetics respectively. These give reliable theorial basis for further catching the mechanism and essence of cyaniding and non cyaniding ways.

论文对氰化浸金机理的五种理论进行了论证和分析，从热力学和动力学上分别进行了理论分析和计算，提出了比较合理的解释浸金机理的供氧体氧化剂理论，为深入理解氰化法和非氰化法提金的机理和本质，提供了理论基础。

The process may involve the use of molten sodium cyanide mixtures; pack carburizing with activated solid material such as charcoal or coke , gas or oil carburizing , and dry cyaniding .

工艺可能涉及到熔化的氰化钠混合物，带有活性固体物质如活性炭、焦炭等的固体渗碳，气体或油性渗碳剂，还有干法氰化。

inferior gold potassium of cyaniding ; complex ion ; chemical formula ; electrochemistry ; cyanide ; heavy crystallization

氰化亚金钾，又称亚金氰化钾，化学式为KAu2·2H2O，白色结晶或粉末，无水物的比重为3.45×103mg/m3，熔点200℃，溶于水，微溶于酒精，不溶于乙醚，有剧毒，主要用于纯金的电镀和用作化学试

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐