查询词典 dichromate

Effect of magnetic field and dichromate on anodic polarization behavior of iron in sulfuric acid .

重铬酸根与磁场对铁在硫酸溶液中阳极极化行为的影响。

Pretreatment of arsenical refractory gold concentrate - Leaching by sodium dichromate ;2. 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，此条件下收率为79。

The main products are sodium bichromate, chromium hydroxide,chromic anhydride, chrome oxide green, basic chrome sulfate , potassium dichromate etc. Tested by the authoritative organization, all the products meet with the standard of GB.

主导产品有重铬酸钠、铬酸酐、氧化铬绿、碱式硫酸铬、氢氧化铬等，产品经国家化学产品监督检验部门年检、统检、抽检，均优于国家标准规定的优级品、一级品、合格品质量等级指标。

A process of electrolytic synthesis of sodium dichromate from industrial sodium chromate solution is introduced.

介绍了用离子膜电解槽电解工业铬酸钠溶液合成重铬酸钠的过程。

With a fixed capital of RMB 80 million yuan, the company mainly produces sodium dichromate (with an annual output of 20 thousand tons), chromic anhydride (with an annual output of 5000 tons), potassium dichromate (with an annual output of 1000 tons), and oxidized chrome green (with an annual output of 3000 tons).

云南省陆良化工实业有限公司坐落在四季如春的云南省曲靖市陆良县西桥工业区，是滇、桂、黔三省唯一的铬化工生产公司，公司拥有固定资产8000万元，主要生产产品有：2万吨／年重铬酸钠、5000吨／年铬酸酐、1000吨／年重铬酸钾、3000吨／年氧化铬绿。

Potassium dichromate K 2 Cr 2 O 7 or ammonium dichromate (NH 4 ) 2 Cr 2 O 7 for AN based mixtures.

重铬酸钾钾铬2 O的7或铵重铬酸钾（信息NH 4 ） 2铬2 O的七月为一基于混合物。

The peak currents i p and peak potentials E p of the oxidation peaks for sodium dichromate solution of different concentrations, i.e ., water under the existence of sodium dichromate, were experimentally measured at different temperatures and sweep rates v on the electrode.

实验测得不同温度、不同扫描速度 v 、不同浓度重铬酸钠溶液即重铬酸钠存在下水在电极上的氧化峰峰电流ip和峰电位Ep，建立了 i p～ v 1/2和 E p～ln v 方程，表明电极反应是主要受扩散控制的不可逆反应。

The working voltages were experimentally measured on-line at different reaction times under conditions of different temperatures, different current densities, and different initial anolyte concentrations in the electrochemical synthesis process of sodium dichromate and chromic anhydride from sodium chromate and sodium dichromate, respectively.

在线实验测得不同温度、不同电流密度、阳极液不同初始浓度时，铬酸钠电催化合成重铬酸钠和重铬酸钠电催化合成铬酸酐过程中不同反应时间下的工作电压。

The experimental results show that the electrochemical synthesis process of sodium dichromate from sodium chromate presents zero order reaction kinetic characteristics, and the electrochemical synthesis process of chromic anhydride from sodium dichromate presents first order reaction kinetic characteristics.

铬酸钠电催化合成重铬酸钠反应表现为拟零级反应动力学特征，重铬酸钠电催化合成铬酸酐反应表现为拟一级反应动力学特征。

The effect of bacteriostatic such as penicillin, norfloxacin, nalidixic acid, potassium dichromate and tatin were studied individually. The orthogonal design was used in this experiment and the software STATISTICA6.0 was employed to analyse the result. The result showed that the potassium dichromate was the best bacteriostatic among those bacteriostatices.

研究了青霉素、萘啶酸、制霉菌素、重铬酸钾和氟哌酸5种抑制剂对分离土壤放线菌的影响，其中以重铬酸钾的分离效果最好，其次为制霉菌素；通过正交试验研究了重铬酸钾、萘啶酸、制霉菌素3因子组合对放线菌分离的影响；最后用STATISTICA6.0进行分析。

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。