查询词典 hydrocyanic

Corporation 5 million tons of gas hydrocyanic acid glycine system, the new project is the use of natural gas production of new technology industrialization projects of glycine, the scale in the industry are among the biggest.

公司5 万吨天然气氢氰酸制甘氨酸新项目是用天然气新工艺生产甘氨酸的产业化项目，规模在行业内属于最大。

With an increase in fire accidents, smoke inhalation of carbon monoxide and hydrocyanic acid has become the main reason of cyanide poisoning nowadays.

随着火灾事故增多，火灾烟气吸入导致的一氧化碳和氢氰酸复合中毒已成为氰化物中毒的首要途径。

An extremely poisonous salt of hydrocyanic acid.

含有小苏打、罗谢尔盐和酒石酸的冒泡的盐。

Salt of hydrocyanic acid.

氢氰酸的一种有剧毒的盐。

The synthetic route is complex, the technical line is long, and after many steps the yield is low with high cost, particularly in this method seriously poisonous substance hydrocyanic acid is used as raw material, the treatment of numerous waste acids is difficult and the environment pollution is obviously.

该方法采用剧毒的氢氰酸为原料，产生大量难于处理的废酸，环境污染严重，因此开发新的MMA工艺路线很有必要。

MMA is produced by the method of acetone-cyanhydrin mainly in our country. The synthetic route is complex, the technical line is long, and the yield is low with high cost after many steps. Hydrocyanic acid is used as raw material, the treatment of numerous waste acid is difficult . Furthermore, concentrated sulfuric acid consumed in this method corrodes equipments and pollutes the environment seriously.

我国MMA的生产以丙酮腈醇法占主导地位，合成路线复杂，生产工艺长，多步反应后产率低，成本高，其采用有剧毒的氢氰酸为原料，产生大量难于处理的废酸，所消耗的浓硫酸对设备腐蚀性大，对环境污染严重，因此开发新的MMA工艺路线很有必要。

Theoretical investigation of the solvent effects on the mechanism of the reaction of pentafulvenone with hydrocyanic acid to produce the main product of acid of type b was carried out at B3LYP/6-311+G** level via the conductor-like polarizable continuum model.

在B3LYP/6-311+G**计算水平上，采用导体极化连续模型研究了溶剂化效应对6-亚甲基环戊二烯酮与HCN反应生成主要产物b类酸的反应机理的影响。

Xintai Group is the company which monitored by "OPCW"(Convention on the Prohibition of the Development, Production, Stockpiling and Use the Chemical Weapons and on their Destruction) and "China Controlled Chemicals Association", own the "Production License of the Regulations of the People's Republic of China on Supervision and Control of Chemicals", is one of the leading manufacturer of Sodium Cyanide and Tert-Butylamine in home, and is the only manufacturer that producing Hydrocyanic Acid and Solid Sodium Cyanide by using method of "Anes Test " in home.

鑫泰集团属于"国家禁化武公约"和"中国监控化学品协会"监控的企业，拥有《监控化学品生产特别许可证》和《安全生产许可证》，是国内生产叔丁胺和氰化钠的主要厂家之一，是国内安氏法生产氢氰酸进而生产固体氰化钠的唯一厂家。

Theoretical investigation of the solvent effects on the mechanism of the reaction of pentafulvenone with hydrocyanic acid to produce the main product of acid of type b was carried out at B3LYP/6-311+G(superscript **) level via the conductor-like polarizable continuum model.

在B3LYP/6-311+G计算水平上，采用导体极化连续模型研究了溶剂化效应对6-亚甲基环戊二烯酮与HCN反应生成主要产物b类酸的反应机理的影响。

Hydrocyanic acid and water proceed via a five-centred transition states then transformed by its exterior hydrogen-bond; The results show that the activation energy of the isomerizing reaction in the aqueous phase is lower than that in the gas phase. It is likely that the hydrogen bonds formed in the complexes and the solvent effect play an important role.

计算结果表明，在水相中异构化过程的活化能比在气相中低，无论在气相还是在水相中异氢氰酸通过水氢键转化成氢氰酸容易些，而氢氰酸由水氢键转化成异氢氰酸相对要困难些，分子间氢键和溶剂化效应在异构化反应过程中起到重要的作用。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。