爱词霸英语   汉语   手机版   软件版下载 | English
每日一句:正在加载...
1.a copper salt made by the action of sulfuric acid on copper oxide.
一种铜盐，由硫酸作用于氧化铜而生成。收藏指正
2.The effect of several combustion catalysts,such as energetic lead salt B,aromatic acid lead salt C,aromatic acid copper salt B,carbon black CB 1 or CB 4,on the combustion behavior of screw compressed Al RDX CMDB propellants was investigated when they were used alone or as a combination of two or three of them.
研究了含能铅盐B、芳香酸铅盐C、芳香酸铜盐B、炭黑CB1或CB4作为催化剂（单独使用或两者复合或三者复合使用）对螺压Al?RDX?CMDB推进剂燃速和压力指数的影响规律。收藏指正
3.With the purpose of rapid and accurate determination of Fe3+ and Al3+ in aluminum sulphate used as water purifying agent,the feasibility of re-titration with copper salt complexed with ethylene diamine tetraacetic acid(EDTA) was studied and the factors affecting the method were investigated.
为快速、准确地测定净水剂硫酸铝中的Fe3+、Al3+含量,研究了采用EDTA络合—铜盐返滴定法的可行性,并考察了该方法的影响因素。收藏指正
4.Using Taft substituent constant as parameter, copper(Ⅱ) salt has catalytic activity as ∑δ*>5.5. The reactions with copper(Ⅱ) complexes isolated show that the copper (Ⅱ) complex prepared at a mole ratio of copper (Ⅱ) chloride/sodium methoxide equals 0.5 has maximum activity.
>5.5)时,铜(Ⅱ)盐才有催化活性; 分离出的铜(Ⅱ)盐中,当CuCl_2·2H_2o/CH_3ONa摩尔比为0.5时,对聚合反应有最大的催化活性.收藏指正
5.a toxic double salt of copper arsenate and copper acetate.
一种由砷酸铜和醋酸铜形成的有毒复盐。收藏指正
6.Based on thermo dynamic speciation calculations,the role s of complexing agents in electroless co pper solutions,employed in ohmic electro des formation of BaTiO 3-based PTCR cera mics,were investigated in this paper. Ele ctroless copper solutions,using tartrate or EDTA salt,decrease the concentration of free copper.
通过热力学平衡的方法 ,研究了在 Ba Ti O3 系陶瓷 PTCR上进行化学沉积金属电极时常用的酒石酸盐-铜离子和乙二胺四乙酸钠盐 (EDTA) -铜离子体系化学镀铜溶液中各种型体铜离子的分布。收藏指正
7.A salt of a xanthic acid, especially a simple xanthic acid salt, as of sodium or potassium, used as a flotation collector for copper, silver, and gold.
黄原酸盐一种黄原酸的盐，尤指单一的黄原酸盐。如黄原酸钠或黄原酸钾，是黄原酸的化合物之一，用作铜、银和金的飘浮物集中剂收藏指正
8.GLUCOSE-FRUCTOSE SYRUP，WATER，SUGAR，ACETIC ACID，SALT，GELLING AGENT：PECTIN，DRIED MINT，COLOURS：COPPER CHLOROPHYLLIN，TUMERIC，CITRIC ACID，SPEARMINT OIL.
成分：葡萄果糖浆、水、食糖、醋酸、食盐、胶凝剂、叶绿酸、柠檬酸、薄荷油等。收藏指正
9.This paper discusses the opto-division measurement methods for the elements of aluminiu, nickel, cobalt and copper in alni magnet. This method can be explicit as the colour reaction measurement with the developers of chrome azurolS, dimethylglyoxime, nitroso-R-salt and BCO.
本文研究了铝镍铁系列永磁合金中铝、镍、钴、铜四元素的联合测定方法 ,即铝、镍、钴、铜分别以铬天青 S、丁二酮肟、亚硝基 R盐、双环己酮草酰二腙 ( BCO)作显色剂进行显色测定 ;收藏指正
尝试查询