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1)  K F-B2O3-K 2WO4 melt
KF-B_2O_3-K_2WO_4
2)  KF-B_2O_3-K_2WO_4melt
KF-B_2O_3-K_2WO_4熔体
3)  B2O3
B_2O_3
1.
The sintering temperature of BaTiO3-based ceramics will be decreased greatly through the doping of B2O3 vapor.
通过B_2O_3蒸汽掺杂,Y-BaTiO_3陶瓷的烧结温度大幅度降低。
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4)  KF-Al_2O_3
KF-Al2O3
1.
Laurocapramum was synthesized with caprolactam and 1bromododecane as the main feedstock and KF-Al_2O_3 as catalyst.
以己内酰胺和溴代十二烷为原料,采用KF-Al2O3作为催化剂,合成月桂氮卓酮,产率85%,纯度98%,产物经元素分析、红外光谱和色谱-质谱联用确证。
2.
It was studied that n-butane bromide react with ethyl acetoacetate catalyzed by KF-Al_2O_3.
研究了用KF-Al2O3作催化剂,正溴丁烷与乙酰乙酸乙酯的化学反应,以正丁基取代乙酰乙酸乙酯中的α-H,实现了碳—碳烷基化反应,合成了正丁基乙酰乙酸乙酯,再经水解脱羧制得2-庚酮,收率为72。
5)  KF/Al_2O_3
KF/Al2O3
1.
4-hydroxy-2-butanone was prepared by condensation of acetone with formaldehyde over KF/Al_2O_3 instead of the aqueous NaOH solution,the shortcoming in the old method such as polymer yielding and the neutralization with weak acid was overcome.
用KF/Al2O3催化丙酮和甲醛缩合制备乙酰乙醇,并采用固定床反应方式,简化工艺过程,提高了生产效率,催化缩合收率高,选择性好,已工业化生产。
2.
The KF/Al_2O_3 catalyst was prepared by isochoric impregnation.
用等体积浸渍法制备了KF/Al2O3催化剂,并将其用于菜籽油与甲醇酯交换合成生物柴油的研究。
3.
The KF/Al_2O_3 nano superbase composite catalyst was prepared by a sol-gel method.
首次用sol-gel法合成了纳米KF/Al2O3复合超强碱催化剂,克服了传统浸渍法的易团聚及负载物分布不均匀等缺点。
6)  KF/Al2O3
KF/Al_2O_3
1.
In the precence of the base catalyst KF/Al2O3, the one - pot reaction of 2 -hydroxybenzaldehyde or 2 - hydroxynaphthaldehyde with ethyl α - bromoacetate, ( α -bromoacetophenone , 1,4 - dichloromethylbenzene , 4,4' - dichloromethylbiphenyl and 1,5 -dichloromethylnaphthalene gave the benzofuran compounds in 38-89% yield.
本文报道用KF/Al_2O_3作为碱催化剂,由水杨醛或2-羟基-1-萘醛分别和α-溴代乙酸酯、α-溴代苯乙酮、苄基氯、4,4’-二氯甲基联苯和1,5-二氯甲基萘等进行一锅化缩合反应,以38～89％的产率合成了14种芳并呋喃化合物。
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补充资料：(beta-4)-tungstate (wo42-calcium
CAS：7790-75-2
分子式：CaO4W
中文名称：钨酸,钙白矿
英文名称：calcium tungstate；( beta-4)-tungstate (wo42-calcium ；calcium tetrahydrogen diphosphate monhydrate
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