6 天之前 · 有3种熔盐体系：a.B2O3+KCl体系;b.KBF4-KCl体系;c.KBF4-KF-KCl体系或KBF4-KCl-NaCl体系。 电解时采用碳化硼阳极，产品元素硼纯度较低，一般在87%～99.8%水平。 (4)热 …

3 天之前 · 《journal of molecular structure》期刊简介： The Journal of Molecular Structure is dedicated to the publication of full-length articles and review papers, providing important new …

4 天之前 · The journal strives to be essential reading for structural biologists, as well as biologists and biochemists that are interested in macromolecular structure and function. Structure …

5 天之前 · The tables below provides information on the variation of solubility of different substances (mostly inorganic compounds) in water with temperature, at one atmosphere …

3 天之前 · The Journal of Biomolecular Structure and Dynamics welcomes manuscripts on biological structure, dynamics, interactions and expression. The Journal is one of the leading …

4 天之前 · n-甲基咪唑、吡啶、n-甲基吗啡、n-甲基吡咯等环状三级胺类化合物（简称为环状三级胺）与过量的氯代正丁烷在甲苯中回流48小时，得到的氯盐分别与kbf4、kpf6、ch3cook …

3 天之前 · In stark contrast to this, all four silver(I) halides are known. The fluoride, chloride, and bromide have the sodium chloride structure, but the iodide has three known stable forms at …

4 天之前 · An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are …