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- columbium pentachloride 五氯化铌
- Elimination of phosphorous pentachloride was accomplished utilizing conventional extraction techniques. 使用传统的萃取技术除去五氯化磷。
- In this paper,the recent research on columbium electrolytic capacitor and high specific volume columbium are reviewed. 综述了近年来国内外电容器用高比容铌粉和铌电解电容器最新研究发展动态、性能、制造方法及市场前景。
- The hydrolysis process of antimony pentachloride and its hydrochloric acid solution was studied. 研究五氯化锑及其盐酸溶液的水解过程。
- The alkylation of anisole with tert-butanol in hexane solution was investigated by using molybdenum pentachloride. 研究了五氯化钼参与的苯甲醚和叔丁醇在正己烷溶剂中的烷基化反应,结果显示出很高的对位选择性。
- Preparation of monolithic tantalic oxide aerogel from tantalic pentachloride[J]. 引用该论文 任洪波;王鲜;张林;张勇;毕于铁;万小波.
- Abstract: The hydrolysis process of antimony pentachloride and its hydrochloric acid solution was studied. 摘 要: 研究五氯化锑及其盐酸溶液的水解过程。
- Columbium electrolytic capacitor has the advantage of better performance and lower price than tantalum electrolytic capacitor,therefor has a bright future. 铌电解电容器具有比铝电解电容器优越的性能,而价格比钽电解电容器便宜,在电解电容器领域颇有发展前途。
- Among the three saponin analysis methods, the accuracy of Antimony Pentachloride Colorimetric method is better than other two methods. 在三种方法当中，以五氯化锑法测得的值最准确。
- With decreasing acid concentration in the mother liquid， the hydrolysis products of antimony pentachloride transforms from amorphous to crystalline after aging of 5 d. 随着水解母液酸度的降低， 五氯化锑溶液水解产物陈化五天后的晶型由非晶态向晶态变化；
- Abstract : Tantalum-containing pitch as a carbon precursor was synthesized by an in situ liquid phase reaction between coal tar pitch and tantalum pentachloride. 摘要 ： 以煤沥青为原料，氯化钽为钽源，通过化学反应制备了含钽沥青前驱体。
- Using azoaromatic diacid and phosphorous pentachloride as materials,dichloroethane as solvent,triethylamine as absorber,four azobenzene diacyl chlorides were synthesized in yield of 75. 以偶氮苯二羧酸和五氯化磷为原料,二氯乙烷为溶剂,三乙胺为酸吸收剂,合成了4种偶氮苯二甲酰氯,产率为75。
- columbium(element-now called niobium) 钶(元素铌的旧称)
- Key words: antimony pentachloride; 关键字: 五氯化锑；
- phosphorus pentachloride production 五氯化磷生产
- The Recent Research on Columbium Electrolytic Capacitor 铌电解电容器研究动态
- Keywords molybdenum pentachloride;anisole;alkylation;tert-butanol; 五氯化钼;苯甲醚;烷基化;叔丁醇;
- Keywords Tantalum pentachloride;Precursor;Pitch;Composites; 五氯化钽;前驱体;沥青;复合材料;
- HIGH-TEMPERATURE OXIDATION-RESISTANT COATINGS FOR COLUMBIUM ALLOY AND 料浆法制备铌合金和钼合金高温抗氧化涂层
- a soft gray ductile metallic element used in alloys; occurs in niobite; formerly called columbium. 一种灰色金属元素，软质，易延展，用于合金中，见于铌铁矿，以前称作钶。
