chromium trioxide
英
美
网络 三氧化铬; 铬酸酐; 三氧化二铬; 求购三氧化铬
双语例句
- Chromium trioxide is mainly used in form of aqueous solutions.
当三氧化铬溶于水时，可形成这些酸以及它们的低聚物。 - Technical Improvement of Recycling Chromium Trioxide Residue
环保回收处理铬酸酐下脚料的技术改进 - Consequently, the uses of these substances are the same as indicated for chromium trioxide.
三氧化铬主要用于均相水溶液。因此，这些物质的用途常以三氧化铬来表示。 - Determination of the trace iron 、 nickel 、 titanium and chromium in pure molybdenum trioxide product by emission spectroscopy
用发射光谱技术测定高纯氧化钼产品中铁、镍、钛和铬的含量 - Cleaner Process for Making Chromium Trioxide Based on Green Chemistry Theory
遵循绿色化学原理开发的铬酸酐清洁生产工艺 - In the third part of this paper, a facile method is presented for synthesis of malonaldehyde dianil from propargyl alcohol by oxidizing using chromium trioxide and addition reaction with aniline.
该研究以丙炔醇为原料，经三氧化铬氧化生成丙炔醛后，直接与苯胺反应简便地合成了β-苯胺基丙烯醛缩苯胺，并通过正交实验的方法优化了反应条件。 - Pyridine can react with halogens, nitronium fluoroborate, sulfur trioxide, boranes and chromium trioxide to form some useful organic reagents which are introduced briefly in the paper.
吡啶可以和卤素、硝基四氟化硼盐、三氧化硫、硼烷及三氧化铬反应，形成一些有用的有机试剂。 - A new cleaner technology for making chromium trioxide and potassium nitrate simultaneously by using nitric acid to decompose potassium dichromate has been brought forward. Also, the reasonable technological conditions of some important operation units in the procedure are selected.
提出了硝酸分解重铬酸钾法联产铬酸酐与硝酸钾的清洁工艺，并优选出过程中主要环节的合理操作条件。 - Replacing Heavy Oil with Natural Gas in Producing Chromium Trioxide
天然气代替重油在铬酸酐生产中的应用 - Study on the Oxidation of p Cymene by Chromium Trioxide, Active Manganese Dioxide, Selenium Dioxide and Oxygen
三氧化铬、活性二氧化锰、二氧化硒、氧气催化氧化伞花烃的对比研究 - Study on the treatment aquatic waste from chromium trioxide manufacture by amine extraction
胺萃取法处理铬酐生产废液的研究 - The method determining the chromium trioxide concentration in the Cr-electroplating solution is set up by the electrometric itration with the ferrous ammonium sulfate as the titrant.
建立了以硫酸亚铁铵作滴定剂，电位滴定法测定镀铬溶液中铬酐（CrO3）含量的方法。 - Electrometric analysis of the chromium trioxide concentration in the cr-electroplating solution
电镀铬液铬酐含量的电位分析 - The process for preparating chromium trioxide from sodium dichromate by reduction of ammonium salt is simple and the product has high quality and can be up to chemical regent grade.
利用重铬酸钠铵盐还原法制备三氧化二铬，其工艺简单，产品质量高，可达化学试剂级。 - Chromium Chloride, Chromium trioxide and Manganese Sulfate did not show any estrogenicity.
硫酸锰、氯化铬、三氧化铬不具有雌激素样作用。