铬的

A varnish used for coverlay was prepared with special epoxy resin, carboxyl-terminated acrlonitrilebutadiene rubber and phosphorated flame retardant. To conform to the requirements of RoHS, the halogen-free flame-retarded coverlay does not contain Stibium, lead, mercury, cadmium and chromium Ⅵ.

摘 要：采用端羧基丁腈橡胶增韧改性特种环氧树脂体系，配合使用添加型磷系阻燃剂得到覆盖膜用胶液，以此制备的SF305C无卤阻燃型覆盖膜不含锑和铅、汞、镉、六价铬等有害重金属，满足欧盟RoHS指令要求。

Objective To study the effect of Mutans Streptococcus on the corrosion resistance of Ni-Cr alloy.

目的 研究变形链球菌对镍铬合金耐蚀性能的影响。

Objective To analyze the clinical features of patients with subclinical pheochromocytoma.

目的分析亚临床嗜铬细胞瘤的临床特点。

Effects of Cr(superscript 6+) of different concentration on growth and physiological characteristics of corn seeds were measured.

主要研究了不同浓度六价铬胁迫对不同玉米种子萌发和部分生理特性的影响。

Studies on syneresis behavior of Xantlian/Crhydrogels have been conducted at 70,80 and 90℃.

对黄原胶／三价铬水凝胶在70，80和90℃下的脱水行为进行了研究。

The only whitespace characters allowed are the space character, tab, LF, CR, CTRL-Z.

唯一的空白字符可以是空格，制表符，低频，铬，按

Chrome-free tannage is one of the most important research targets in leather industry.

非铬鞣法是制革工业发展的方向和重要研究课题之一。

Part 3 : determination of chromate, iodide, sulfite, thiocyanate and thiosulfate.

第3部分：铬酸盐、碘化物、亚硫酸盐、硫氰酸盐和硫代硫酸酯的测定

The optimum conditions such as acidity, reaction temperature, dosage of thoron Ⅱ solution and reaction time for the system were studied in detail.

详细考察了反应酸度、温度、钍试剂Ⅱ浓度及反应时间等对铬测定的影响。

Chromiun is an essential trace element for anlmals,and it is a significant component of Glucose Tolerance Factor.

铬是动物体内必需微量元素，是葡萄糖耐量因子的重要组成部分。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。