1) boron anhydride
硼酸酐
2) tungstenic acid-boron anhydride
钨酸-硼酐
3) boron oxide
硼酐
1.
The molten hydrolytic reaction between sodium chloride and boron oxide at high temperature was studied.
研究了高温熔融状态下水蒸气与氯化钠、硼酐的水解反应。
2.
Triisopropyl borate was synthesized with high yield from 2 propanol and boron oxide by using calcium hydride as drying agent to remove resultant water.
采用氢化钙作为脱水剂,以硼酐及异丙醇为原料合成了硼酸三异丙酯,该方法具有成本低、操作简便、条件温和、产率高的优点。
4) anhydride
[英][æn'haidraid] [美][æn'haɪdraɪd]
酐，酸酐
5) anhydride
[英][æn'haidraid] [美][æn'haɪdraɪd]
酸酐
1.
Synthesis of anhydrides from acylchlorides under microwave irradiation;
微波辐射下由酰氯合成酸酐
2.
Exploration of the Structure of CTC Formed by Unsaturated Acid Anhydrides and Phenothiazine;
不饱和酸酐-吩噻嗪电荷转移络合物结构的探讨
3.
The amidation and esterification of different cyclic anhydrides with aniline and phenol gave different major products,and the routes were optimized.
结果表明,环酐的分子结构直接影响反应结果,当酸酐分子存在共轭结构时以N-芳基内酰胺为主要产物。
6) acid anhydride
酸酐
1.
Study of chloroacetic acid production by chlorination of acetic acid in the presence of acid anhydride catalyst;
酸酐催化乙酸氯化制一氯乙酸的研究
2.
In this paper,the various kinds of accelerators which were used for curing epoxy resin with acid anhydride,and the accelerative mechanism in the epoxy resin curing system were introduced.
评述了几类用于酸酐固化环氧树脂的促进剂及其在酸酐/环氧体系中的固化促进机理。
3.
It was studied that decolorizing method of brown Silkworm separated protein by acetic peracid and modification of the decolorizing product by acid anhydride and zirconium sulfate.
研究了褐变蚕蛹分离蛋白脱色方法及其酸酐、硫酸锆改性。
补充资料：硼酸酐
分子式：B2O3
CAS号：
性质：又称氧化硼（boron oxide）。无色玻璃状晶体或粉末。密度2.46g/cm3。熔点460℃。沸点1860℃。溶于热水、酸、乙醇。微溶于冷水。吸湿性强。由硼酸在常压下加热灼烧经抽丝制得也可将硼酸置于密闭加热器中真空下加热制得。用于制取元素硼和精细硼化合物。也可与多种氧化物化合制成具有特征颜色的硼玻璃、光学玻璃、耐热玻璃、仪器玻璃及玻璃纤维、光线防护材料等。还可用作油漆的耐火阻烯添加剂和干燥剂。
CAS号：
性质：又称氧化硼（boron oxide）。无色玻璃状晶体或粉末。密度2.46g/cm3。熔点460℃。沸点1860℃。溶于热水、酸、乙醇。微溶于冷水。吸湿性强。由硼酸在常压下加热灼烧经抽丝制得也可将硼酸置于密闭加热器中真空下加热制得。用于制取元素硼和精细硼化合物。也可与多种氧化物化合制成具有特征颜色的硼玻璃、光学玻璃、耐热玻璃、仪器玻璃及玻璃纤维、光线防护材料等。还可用作油漆的耐火阻烯添加剂和干燥剂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条