铬

SO 3- can turn acidified potassium dichromate solution from orange to green.

亚硫酸根离子可把酸化重铬锰酸钾由橙色变成绿色。

The organic mailer content in soil and turf from 10 areas in Qinghai Province was determined by external heating method and potassium dichromate volumetric method.

方法］用外加热法和重铬酸钾容量法对青海10个不同地区土壤和泥炭中的有机质含量进行了测定。

The stray light is evaluated using the cut-off solution method and its effects were studied by means of simulation background absorption using potassium dichromate solution molecular absorption.

用截止溶液法检验了杂散光的存在，并用重铬酸钾溶液分子吸收模拟背景吸收的方法研究了杂散光的影响。

The potassium dichromate at different concentrations could increase the cell mitosis index.

以不同浓度的重铬酸钾为诱变剂，测定玉米根尖细胞的微核率、有丝分裂指数和染色体畸变率。

Fuse potassium dichromate (19) in a porcelain crucible.

在瓷坩埚中熔化重铬酸钾（19）。

This paper will be a calcium and other salts such as sodium nitrite, potassium dichromate, aluminum sulfate potassium, sodium, and other composites, through the use of the complex mix of different experiments to study its early strength of cement mortar effect.

本文将甲酸钙与其他盐类如亚硝酸钠，重铬酸钾，硫酸铝钾，硫酸钠等复合，通过采用不同的复合配合比进行实验，研究了其对水泥砂浆的早强效果。

Potassium dichromate was chosen as the pollutant and its initial concentration was 100 mg·kg-1 soil, 300 mg·kg-1 soil,...

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100、300、500mg·kg-1，含水量50%，运行48h。

The best bacteriostatics assembly was potassium dichromate 50 mgL^(-1), nalidixic acid 10 mgL^(-1), norfloxacin 10 mgL^(-1). More over, nalidixic acid was the most important among the three bacteriostatices.

正交试验结果分析得到的最优抑制剂组合为重铬酸钾0.6 mgL^(-1)，制霉菌素10 mgL^(-1)，萘啶酸10 mgL^(-1)，其中制霉菌素在3个因子中起的作用最大。

Chlorine ion ; chemical oxygen demand ; low concentration ; potassium dichromate method

氯离子；化学需氧量；低浓度；重铬酸钾法

Or SO2 / SO32 can turn acidified potassium dichromate solution from orange to green.

二氧化硫/亚硫酸根离子可把酸化重铬锰酸钾溶液由橙色变成绿色。

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。