chromic acid
[无化] 铬酸
2025-10-08 07:47 浏览次数 6
[无化] 铬酸
chromic c acid battery铬酸电池
chromic humic acid 9233 cas铬腐殖酸
chromic c acid cell铬酸电池
chrome acid铬酸
chromic acid burn铬酸烧伤
chromic acid waste treatment铬酸废水处理
chromic acid battery铬酸电池
Chromic Acid Mist铬酸雾
chromic acid cellThe Chromic acid cell was a type of primary cell which used chromic acid as a depolarizer. The chromic acid was usually made by acidifying (with sulfuric acid) a solution of potassium dichromate.
chromic c acid铬酸
chromium trioxide[无化] 三氧化铬;铬酸(等于chromic acid)
zinc plating chromic acid salt after the passivation, corrosion resistance can improve 6 to 8 times.
锌镀层经铬酸盐钝化之后,耐蚀性可提高6~8倍。
chromeplating liuthium is mainly used for chromic acid and sulphuric acid.
镀铬用的电解液次给是铬酸酐和硫酸。
ammonium bichromate (dichromate):salt formed by neutralising chromic acid with ammonia. an orange color crystal that is soluble in water, insoluble in alcohol.
重铬酸铵:氨与铬酸中和所产生的盐。橙红色晶体。可溶于水,不溶于醇(酒精)。
a solution to generate chemical cobalt oxide film on metal substrate are disclosed to replace chromic acid chemical oxidation process in order to meet the requirement of environmental protection law.
本发明涉及一种在金属基体上可形成钴化学氧化膜层用的溶液、用该溶液在金属基体上形成钴转化膜层的方法,以用该方法制得的制品。
it was shown that:①taking chromic acid anhydride as oxidant instead of potassium permanganate, the productive efficiency was 77%(64%in literature).
改进内容及结果:①改用铬酐代替高锰酸钾作为氧化剂,产率为77% (文献值6 4% ) ;
after plating, the cu and ni layer could be removed by di- pplng in nitric acid plus ammonium nitrate solution or nitric and chromic acid solution.
这样在电镀后再在硝酸和硝酸铵溶液中或在硝酸和铬酸溶液中退除铜镍镀层,由于铬层不受侵蚀,仍能维持不变。
uhmwpe fibers were treated by chromic acid oxidation and pyrrole vapor deposition respectively.
采用铬酸氧化法及吡咯气相沉积聚合法处理uhmwpe纤维。
in this paper, the surface of uhmwpe fiber was treated by chromic acid under ultrasonic processing.
本文采用在超声下,利用铬酸溶液对纤维进行表面改性。
twice technology reforms and the structure of main equipment for the recovery of chromic acid sludge by phosphoric acid method are described.
介绍该厂铬盐车间利用磷酸法对铬酸渣回收利用的两次技术改造及主要设备的结构,以供同行业厂家参考。
in this paper, the half wave potentials of chromic acid derivatives are determinated in h 2o and dmf by polarography and selective oxidation of chromic acid derivatives is described.
用极谱法测定铬酸衍生物的半波电位,从理论上讨论了铬酸衍生物氧化作用的选择性。
the paper introduces the application of chromic flotsam natrium bisulfate in the course of neutralization and pre acidification in industry of chromic acid anhydride.
介绍铬酸酐生产中,含铬硫酸氢钠废料用于前工段中和、预酸化。
this paper presents the newest research results on rare earth element additives to chrome plating in chromic acid bath.
对稀土镀铬添加剂的最新研究成果进行了系统的介绍,并就目前应用情况,阐述了今后研究工作中需要进一步探讨的问题。
to use insulating materials in non-working section of chromeplating hanging fixture can prominently cut down the consumption of chromic acid and electric power, and also raise production efficiency.
镀铬挂具的非工作部位应用绝缘材料会明显降低铬酐和电流消耗,提高生产效率。
uhmwpe fiber is treated by chromic acid of different concentration at different temperature.
本文采用不同浓度和温度下的铬酸溶液对超高分子量聚乙烯纤维进行表面处理。
chromic acid, dichromic acid, oligomers of chromic acid and dichromic acid**
铬酸, 重铬酸,铬酸及重铬酸低聚物。
uhmwpe fiber were treated by chromic acid etching and chemical vapor depositing polypyrrole(ppy).
采用铬酸刻蚀和化学气相沉积聚吡咯处理了超高相对分子质量聚乙烯(uhmwpe)纤维。
contact with strong oxidizing acids such as nitric acid, chromic acid and so on, due to strong oxidation products will cause brittle hair, discoloration, early damage.
接触强氧化酸如硝酸、铬酸等,因强氧化作用会造成产品发脆、变色、早期损坏。
a kind of method for analyzing the sulfate content in the roughening solution with high chromic acid content was determined.
研究出一种高铬酸型粗化溶液中硫酸含量的分析方法。
in this paper, oxidative procedure of chromic acid and chromic acid derivatives is described. the selective oxidation of chromic acid derivatives is explained by their structure.
探讨了铬酸及其行生物的氧化过程,并从结构上解释了铬酸衍生物的选择性氧化作用。