1) β-Car molecule
β-Car分子
2) β molecular sieve
β分子筛
1.
The La/β molecular sieve catalyst was prepared by the ion-exchange method using microwave heating and conventional heating.
采用离子交换法,分别在微波加热和常规加热的条件下,制备了La/β分子筛催化剂,并采用红外光谱、扫描电子显微镜、X射线衍射与能量色散谱进行了表征。
2.
A new method of removing water from the ethanol and water mixture near azeotropic concentration was proposed based on isobutylene(IB) hydration-etherification catalyzed by β molecular sieve.
实验以β分子筛为催化剂,在2。
3.
Effects of ammonium salts modification on acidity of β molecular sieve and on its catalytic performances for diisopropylbenzene isomerization were studied.
考察了三元有机酸铵盐(柠檬酸三铵和柠檬酸氢二铵)和传统的硝酸铵对β分子筛改性的影响,采用X射线粉末衍射、氨吸附-程序升温脱附和吡啶吸附红外光谱技术对催化剂进行表征,并将改性后的催化剂用于二异丙苯的异构化反应。
3) β zeolite
β分子筛
1.
Diffusivity of benzene in β zeolite: Kinetic Monte Carlo simulations;
β分子筛中苯分子扩散行为的KMC模拟
2.
Study on synthesis anthraquinone from phthalic anhydride and benzene over modified β zeolite catalyst
改性β分子筛催化苯与苯酐合成蒽醌的研究
3.
Influence of alkaline on preparation of new composites from montmorillonite and NaY zeolites or β zeolites was investigated.
在蒙脱土与β分子筛进行复合时,体系的碱浓度较小(约0。
4) β-zeolite
β分子筛
1.
A model of molecules diffusion in β-zeolite was proposed by assuming that the movement of molecules was a random walk on different adsorption sites.
建立了一个β分子筛上分子扩散的模型。
2.
A quantum chemical ONIOM [B3LYP/6-31G(d,p):UFF] method has been applied to study the distribution of Br?nsted acid at nine inequivalent T sites and the acidity of Brφnsted acid in β-zeolite.
基于量子化学ONIOM[B3LYP/6-31G(d,p):UFF]计算方法,研究了β分子筛中Brφnsted酸的落位及其酸性强度。
5) β Zeolite
β型分子筛
1.
Study on the synthesis of 2,6-Diisopropylnaphthalene using β Zeolite as catalyst;
β型分子筛催化合成2,6-二异丙基萘的初步研究
2.
Citric acid modified β zeolite(N-β)was prepared via impregnation method.
采用浸渍法制备了柠檬酸改性的β型分子筛(N-β)。
6) V-β molecular sieve
V-β分子筛
1.
V-β molecular sieves through isomorphous replacement of Si by V in zeolite β were successfully synthesized via hydrothermal procedure.
采用水热晶化法在SiO2V2O5(TEA)2ONH4FH2O体系中合成了无铝V-β分子筛,运用XRD,IR,UVVis漫反射,TG/DTA和SEM等技术表征了样品的物理化学特性,证明样品具有BEA拓扑结构,结晶良好,且钒原子进入了分子筛骨架。
补充资料：D(-)-2-Phenyl-N-(α-methyl-β-car-bethoxyinyl)aminoacetic acid potassium salt
分子式：C14H16NO4K
分子量：301.38
CAS号：961-69-3
性质：白色结晶性粉末。
制备方法：以左旋苯甘氨酸、氢氧化钾和乙酰乙酸乙酯为原料，经成盐，缩合制得该品。
用途：氨苄青霉素、氧哌嗪青霉素、头孢氨苄、头孢氯氨苄等半合成抗生素的中间体。
分子量：301.38
CAS号：961-69-3
性质：白色结晶性粉末。
制备方法：以左旋苯甘氨酸、氢氧化钾和乙酰乙酸乙酯为原料，经成盐，缩合制得该品。
用途：氨苄青霉素、氧哌嗪青霉素、头孢氨苄、头孢氯氨苄等半合成抗生素的中间体。
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