查询词典 hydrogen

Some old fumigants as hydrogen cyanide and carbon disulfide also needs to be revaluated.

这是反映人类共同愿望的一件大好事；但也给害虫防治领域提出了一个重

The catalytic combustion of hydrogen cyanide was studied separately in presence of two kinds of noble metal catalysts,i.

考察了一元铂与二元铂铑两种贵金属催化剂对氰化氢的催化燃烧效果，探讨了温度、氰化氢浓度、空气含量及气体空速等因素对脱除氰化氢的影响。

The addition reaction with hydrogen cyanide is base-catalysed.

与氰氢酸的加成是碱催化的。

Actually, many fruits of the rose family contain cyanogenetic glycosides, which upon ingestion release hydrogen cyanide gas.

事实上，许多水果的玫瑰家族包含cyanogenetic甙，其中摄食后释放氰化氢气体。

Carbon monoxide and hydrogen cyanide are the predominant toxicants found among over a hundred gaseous combustion products.

一氧化碳和氢氰酸是在一百个气体燃烧产品之中被找到的主要毒药。

But, with the new Spitzer results, they have another piece of data to consider: these planets might be deficient in hydrogen cyanide, a molecule thought to have eventually become a part of us.

但是根据斯皮策卫星数据的最新研究成果，他们要考虑另一个问题：这些超级地球很可能一开始就缺少HCN，这种最后构成我们身体组织一部分的基础分子。

Experimental investigations of the removal of hydrogen cyanide by calcium oxide are carried out in a small electrically heated quartz reactor.

本文在石英反应器内试验了高温脱除HCN反应机理，研究了CaO对氰化氢的脱除作用，探讨了温度、体积空速和氰化氢浓度对脱除氰化氢的影响。

Contact with acid liberates a highly toxic gas. The inhalation of a very minute amount of hydrogen cyanide can be fatal.

与酸性物质接触以后放出高毒性的气体，吸入一定在数分钟内将会死亡。

Hydrogen cyanide is removed first as overhead at more than 99.5 percent purity and can be recovered and used directly or burned in flare .

氰化氢删除第一的开销超过99.5百分之纯度和可以回收和利用直接或焚毁耀斑。

The astronomers specifically looked for ratios of hydrogen cyanide to a baseline molecule, acetylene.

天文学家们特别留意了HCN氢氰酸分子相对于基准分子乙炔C2H2的比例。

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。