1)  C20
C20
1.
Topological Resonance Energy(TRE) and Percentage Topological Resonance Energy(%TRE) methods were applied to all the boron-or nitrogen-fullerene C20-2nX2n(X=B,N;n=1,2,3,4) isomers to investigate their aromaticity and compared with the Nucleus Independent Chemical Shift(NICS) values.
用拓扑共振能(TRE)和百分拓扑共振能(%TRE)方法对硼和氮掺杂富勒烯C20的芳香性进行了研究,并与核独立化学位移(NICS)方法的结果进行了比较。
2)  C20 molecule
C20分子
1.
The Ring,the Bowl and the Cage have been found to be the most steady isomers of C20 molecule with the lowest energy so far.
环型、碟型和笼型结构是迄今发现能量最低并且可以稳定存在的C20分子的三个异构体,通过HMO法的计算,对三者的稳定性从理论上进行了研究。
3)  C20 block
C20块
1.
Seismic monitoring of vapour flooding test area in C20 block.;
C20块蒸汽驱试验区的地震监测方法
4)  Datachief C20
Datachief C20
1.
Both the Datachief C20 monitoring alarm and control system based on Controller Area Network(CAN) represent the advanced level of monitoring alarm and control technology for marine engine room.
基于CAN总线的Datachief C20监测报警和控制系统集中体现了当前船舶机舱监控技术的先进水平。
5)  C20 fullerene
富勒烯C20
1.
Density functional theory(DFT) and nonequilibrium Green′s function based on the First Principle was used for analyzing the electronic structure and electronic transmission through C20 fullerene and defected C20 molecule.
运用基于第一性原理密度泛函理论(DFT)的非平衡格林函数(NEGF)方法,对正十二面体富勒烯C20分子及其有缺陷的C20分子进行了电子输运性质的研究。
6)  C20 fullerene
富勒烯C20分子
1.
The basic geometry structure,the vibration spectra and molecular orbital density of the C20 fullerene molecule have been studied.
利用密度泛函方法研究了富勒烯C20分子的结构、光谱和分子轨道分布特性。
参考词条
补充资料：(17α)–13-Ethyl-17-hydroxy-18,19-dinorpregna-4,9,11-trien-20-yn-3-one
分子式：C21H24O2
分子量：308.4194
CAS号：16320-04-0

性质：暂无

制备方法：暂无

用途：暂无

说明：补充资料仅用于学习参考，请勿用于其它任何用途。