chromium

With the reaction of PAS, the change of chromium gluconate on hepatic glucogen of diabetic mice induced by alloxan was observed.

应用PAS反应观察了葡萄糖酸铬治疗四氧嘧啶性糖尿病小鼠肝糖原变化。

Microdetermination of Chromium in Ultrabasic Rock and Steel;

英文(英语)翻译 Solid Surface Chemiluminescence Analysis Ⅲ.

Elinvar is a trademark for a kind of nickel-chromium steel used for watch springs because its elasticity is constant over a wide range of temperatures.

埃林瓦是一种用于手表镍铬钢，因其能很大温度范持一定性。

In order to strengthen its antifriction property, the material nature of the boards chooses a special formula of high molybdenum, high chromium and nickelic.

为增强其耐磨性，衬板采用是高钼、高铬、高镍特种配方。

J.K. Dennis, T.E. Such, 1993, Nickel and chromium plating, Woodhead Publishing Ltd, England.

彭坤增，1998，铜模镀镍层组织及性质受热潜变之研究，大叶大学，硕士论文。

The preparation methods of dimethylamine hydrochloride/chromium trioxide oxidation reagent and the selective oxidation reaction of cyclohexenol to cyclohexenone with this catalyst are studied.

研究了负载型盐酸二甲胺三氧化铬氧化剂制备方法,以环己烯醇选择性氧化成环己烯酮,考察了载体、制备方法、活化条件对氧化剂性能影响。

If total chromium is to be determined, it is necessary to oxidize the Cr(Ⅲ) to Cr(Ⅵ) by potassium permanganate before reacting with diphenylcarbazide.

对总铬测定则采用高锰酸钾氧化,使铬全部转化为六价,然后再与二苯碳酰二胼反应。

At present, trivalent chromium electroplating process has became one of the mostimportant techniques to taking place of the seriously pollutional hexvalent chromiumelectroplating process.

目前，三价铬电镀工艺已经成为取代重污染六价铬电镀最重要技术之一。

This paper has introduced the green-protection zincum-chromium coat, i n ianther word, it is "DACROMET" coat, it is one kind of liquid that confected from zincum flake alumimium flake chromate flake.

本文详细介绍了绿色环型锌铬涂层即“达克罗”涂层,它是以锌片、铝片、铬酸盐等配制而成溶液。

Pyridine can react with halogens,nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.

吡啶可以和卤素、硝基四氟化硼盐、三氧化硫、硼烷及三氧化铬反应，形成一些有用有机试剂。

Some common troubles such as poor throwing power,burnt deposit on rim,dull gray coating,piebaldism,blue film,hazy deposit,spongy surface and roughness in decorative chromium plating were summarized.

介绍了装饰性镀铬最常见质量故障:均镀能力差、边角易烧焦、铬层暗灰色、花斑、蓝膜、雾状、麻面和粗糙等。

Electrotechnical products - Determination of levels of six regulated substances (lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers

机电产品---六种受控物质（铅、水银、镉、六价铬、多溴联苯、多溴联苯醚）水平测定