重铬酸钾

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。

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。

The data source based on the second soil survey in year of 1982 and repeated soil sampling in year of 2003, and the methods for sampling, determining and analyzing of SOC are auger hole method, K_2Cr_2O_7 oxidation method, area-weigh method respectively, and micro-pipette method is used to determine soil texture....

SOC数据来源于1982年土壤普查和2003年重复采样，土样的采集、分析和统计方法分别为土钻取土法、重铬酸钾氧化法、吸管法和面积加权法。

The procedure is based on the inhibiting effect of ascorbic acid on the enhancing effect of oxalate on the potassium dichromate-potassium iodide／rhodamine6G system.

基于在硫酸介质中，抗坏血酸对草酸根加速重铬酸钾－碘化钾/罗丹明6G这一反应体系具有抑制作用，建立了动力学抑制光度法测定抗坏血酸的新方法。

In order to improve the efficiency of isolating actinomycetes from soil and solve the problem of contamination by bacteria and fungus when actinomycetes were isolated and cultivated, the effect of K 2Cr 2O 7, actidinoe, nystatin and curbenduzim on bacteria, fungus and actinomycetes was studied in this article.

为了提高从土壤中分离放线菌的效率，解决土壤中的细菌和真菌对放线菌分离培养中的污染问题，研究了重铬酸钾、放线菌酮、制霉素和多菌灵等 4种抑制剂对细菌、真菌及放线菌的作用。

Effects of K 2 Cr 2 O 7 on Damage of Root tip Cells of Plants.

重铬酸钾胁迫对植物根尖细胞的损伤。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。