Pretreatment of arsenical refractory gold concentrate -(I) Leaching by sodium dichromate;
含砷难处理金矿预处理研究——(Ⅰ)重铬酸钠浸出法
The solution of sulfuric acid was added dropwise to the reaction vessel contained 1,3-dichloro-2-propanol,sodium dichromate and water.
将硫酸水溶液滴加到1,3-二氯-2-丙醇与重铬酸钠水溶液的混合物中,在温度23~27℃的条件下搅拌反应5 h,重铬酸钠∶1,3-二氯-2-丙醇=1∶2(摩尔比),此条件下收率为79。
It is shown that calcium carbonate can be decomposed in aqueous sodium dichromate solution and transformed to calcium chromate at ambient pressure and boiling temperature.
介绍了一种制取铬酸钙的新方法,利用重铬酸钠溶液分解碳酸钙,可以得到高纯度的铬酸钙。
Synthesis of 2-pyridinecarboxylic acid by oxidation of potassium dichromate;
重铬酸钾氧化法合成2-吡啶甲酸的研究
Determination of purity of potassium dichromate by Coulometric Titrimetry;
库仑滴定法测定重铬酸钾试剂的纯度
Study of DNA damage induced by potassium dichromate and glutathione with atomic force microscope;
重铬酸钾和谷胱甘肽作用致小牛胸腺DNA损伤的原子力显微镜研究
Study on the Opening and Surface Treatment of CNTs with K_2Cr_2O_7;
重铬酸钾用于碳纳米管开口及表面处理的研究
TOSICITY OF K_2Cr_2O_7 TO GERIODAPHNIA QUADRANGULA(O.F.MULLER);
重铬酸钾对方形网纹瑵的毒性研究
It is an oxidationreduction reaction between sodium bichromate solution and sulphur dioxide gas in the reduction tower.
详细描述了一种碱式硫酸铬制备方法,重铬酸钠溶液与二氧化硫气体在还原塔内进行氧化还原反应,经调整碱度后用离心雾化式喷雾干燥机干燥,得到优质碱式硫酸铬。
Objective To observe the germicidal efficacy of compound potassium bichromate acid solution and its influencing factors.
目的观察重铬酸钾复合酸液杀菌作用及其影响因素。
In terms of the reductibility of phosphorous acid,the phosphorous acid was oxidized with potassium bichromate in sulfuric acid.
根据亚磷酸根具有还原性,设计在硫酸介质中,用重铬酸钾溶液氧化亚磷酸根,过量的重铬酸钾用硫酸亚铁铵反滴定,1,10-菲绕啉作为指示剂确定滴定终点。
Sodium dichromate for industrial use
GB/T1611-1992工业重铬酸钠
ammonium bichromate
【化】重铬酸铵，感光剂之一
gum bichromate process
树胶重铬酸盐印相法
bichromated albumen process
重铬酸盐蛋白蚀刻法
Feasible Analysis of Producing Sodium Dichromate from Used Chromic Residue Phosphate;
利用磷酸铬渣生产重铬酸钠的可行性分析
Direct Determination of COD_(Cr) by K_2Cr_2O_7 Depigmentation and Cr_2(SO_4)_3 Spectrophotomety
重铬酸钾褪色法和硫酸铬显色法直接测定COD_(Cr)
Golgi's osmiobichromate solution
高尔基氏锇酸重铬酸钾溶液
The proof is recoated with dichromate emulsion.
将这张校样重新涂以重铬酸盐乳剂。
Well, we'll ship the bichromate in steel drums and the chromic anhydride in oil cans.
嗯，我们会把重铬酸盐用钢桶装，而无水铬酸则用油罐装。
Chemical reagent--Ammonium dichromate
GB/T656-1977化学试剂重铬酸铵
Chemical reagent--Potassium dichromate
GB/T642-1986化学试剂重铬酸钾
Working chemical-Potassium dichromate
GB1259-1989工作基准试剂(容量)重铬酸钾
Primary chemical-Potassium dichromate
GB10731-1989第一基准试剂(容量)重铬酸钾
a salt of the hypothetical dichromic acid.
一种假设的重铬酸形成的盐。
dichromate process
重铬酸盐法（可溶还原染料染色法之一）
Fuse polassium dichromate (19) in a porcelain crucible.
熔重铬酸钾（19）在瓷坩埚中。
Fuse potassium dichromate (19) in a porcelain crucible.
在瓷坩埚中熔化重铬酸钾（19）。
Practice for use of a dichromate dosimetry system??
重铬酸盐剂量测量系统的使用方法