查询词典 chromium iron

Organochromium compounds have many kinds of important activity in the living beings organism. The human body lacking the chromium will cause diabetes and other relevant diseases. Animal lacking chromium will lead to hyperirritability,immune function restrained,propagation function drop, and body quality drop etc.

有机铬化合物在生物机体中具有多种极其重要的活性功能，如果人体缺铬，将导致糖尿病和其他相关疾病；动物缺铬，则会导致对应激敏感、免疫功能受抑制、繁殖功能下降、以及胴体品质下降等。

Density functional theory was applied to investigate the gas-phase reaction mechanism of chromium hydride removing from reaction of chromium cation and methylamine.

利用密度泛函理论重点研究了Cr+与CH3NH2反应生成CrH的气相反应机理。

Owing to the fact that chromium-plated coating is of multifariously excellent performance, the technology of chromium-plating has been widely used in industry.

镀铬层具有多方面的优异性能，在工业上已得到了广泛的应用。

A new spectrophotometric method for the determination of chromium has been developed. In HCl medium, the chromium oxidizes hydroxylammonium chloride to form nitrite, which produces a pink azo dye when reacting with p-aminobenzene sulfonic acid and α-naphthylamine.

基于铬在稀盐酸介质中氧化盐酸羟胺产生亚硝酸根，而亚硝酸根与对氨基苯磺酸重氮化后可与α-萘胺偶联产生粉红色偶氮染料，提出了分光光度法测定铬的新方法。

A new method for the concentration and separation of chromium and chromium in environmental water with polyamide resin was developed.

1引言不同价态铬有不同的环境行为和生物效应。

A simple and highly sensitive new kinetic catalytic fluorimetric method was proposed for the determination of trace chromium,based on the catalytic effect of trace amounts of chromium on the oxidation of Pyronine Y by hydrogen peroxide in acetic acid-sodium acetate buffer medium leading to a decrease in the fluorescence intensity.

在HAc-NaAc缓冲体系中，痕量铬对过氧化氢氧化吡咯红 Y的氧化还原反应有催化作用，使吡咯红 Y荧光减弱，据此建立了催化荧光法测定痕量铬的新方法，同时考察了该催化反应的最优条件及动力学性质。

Typical application: Co-WC powder, chrome oxide powder, Lead sesquioxide powder, Chromium carbide powder, zirconium oxide powder, Ni Base Alloy-Chromium Carbide,etc.

典型应用：钴碳化钨粉、氧化铬粉、三氧化二铅粉、碳化铬粉、氧化锆粉、镍铬碳化铬粉、钴铬铌钇粉等。

Chromium species in organic chromium catalyst is determined with plasma emission spectrography.

已酸铬是乙烯齐聚合成1-己烯的主催化剂，通过它与助催化剂的络合反应可以高选择性地合成1-己烯。

The XPS shows the content of chromium will increase with increasing chromium sputter gun power.

XPS中发现，铬含量会随著铬电子枪参数的增加而增加。

A new fading spectrophotometric method for the determination of chromium is proposed, based on the decoloration of thoron Ⅱ oxidized by chromium in the medium of 0.32 mol/L sulphuric acid.

基于在0.32 mol/L硫酸介质中，铬氧化钍试剂Ⅱ褪色，提出了钍试剂Ⅱ褪色分光光度法测定铬的新方法。

Based on the construction of international financial centre, we have pushed forward the explorations in the integration of cultural industries with financial services.

2010年及整个"十二五"期间，上海文化产业面临更有利的发展时机、更坚实的发展基础和更完善的发展环境。

The koala is an animal with a large bag in its body.

树袋熊用它的身体的一个大的袋子是一只动物。