铬

In this paper,by the University has been the chemical knowledge of the potassium dichromate has no mercury titration experiment, given the conditions and the determination of reliable analytical methods.

本文应用大学已获得的化学知识，对已有的重铬酸钾无汞滴定法进行实验研究，给出了测定条件和可靠的分析方法。

The environmental pollution and operation question which comes from ammonium dichromate as photosensitizer was overcome by this sensitive material.

这种以重氮树脂为光敏剂的圆网感光材料克服了目前以重铬酸盐为光敏剂的圆网感光材料所存在的操作问题及环境污染问题。

Potassium dichromate was chosen as the pollutant and its initial concentration was 500mgkg^(-1) Kaolin.

试验选用重铬酸钾作为污染物，配制高岭土中Cr初始质量分数为500mgkg^(-1)。

The comparison of monitoring COD in water with rapid monitoring method and potassium dichromate method is finished.

比较了快速测定法与国家标准方法重铬酸钾法(GB11914-89)测定化学需氧量。

Potassium dichromate was replaced by ceric sulfate as oxidant to determine the COD in this study.

采用硫酸高铈作为氧化剂来测定难降解垃圾渗滤液的COD，测定结果与重铬酸钾法进行比较。

Effect of magnetic field on open circuit corrosion and polarization resistance for iron in sulfuric acid containing dichromate .

含重铬酸根硫酸溶液中磁场对铁自腐蚀状态及极化电阻的影响。

Results of organic mass spectrometry analysis of East Lake, Wuhan showed the applicability of potassium dichromate method in eutrophic waters.

根据东湖水样的有机质谱分析结果，重铬酸钾法测定富营养化水体的适用性在文中得到论证。

Male and female rats and mice were gien four different doses of sodium dichromate dihydrate in their drinking water ranging from 14.3 mg/l to 516 mg/l for two years.

研究人员在雌雄大鼠和小鼠的饮用水中加入4种不同剂量（14.3毫克/升至516毫克/升）的重铬酸钠，为期两年。

Fuse polassium dichromate (19) in a porcelain crucible .

熔重铬酸钾（19）在瓷坩埚中。

But chrome diopside in small sizes jumps with vivid, fresh green colour and sparkles with brilliance.

但在小尺寸铬透辉跳起生动、清新、绿色的火花与辉煌。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。