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1)  Reaction barrier
反应势垒
1.
Density functional theory B3LYP method is carried out to investigate the effect of substituent on the reaction barrier of intramolecular α-hydrogen transfer from alkyl to alkylidyne ligands in a series of organometallic chromium complexes (R3)(R4)Cr(≡CH)(CHR1R2).
确定了反应物、过渡态和产物的几何结构和反应势垒
2.
Calculations results shows that all six reactions are exothermic and the reaction barrier is low.
本论文采用密度泛函理论B3LYP方法对五线态MnSalen(O)(R′)与取代乙烯CH_2=CHR环氧化反应中取代基对反应势垒的影响进行了理论研究。
2)  Molecular reaction potential barrier
分子反应势垒
3)  reverse barrier
反向势垒
1.
An inner reverse barrier is simulated with the I-V curves,as shows that the negative resistance phenomenon is caused by the break down of the reverse barrier.
模拟分析表明 ,一种反向势垒的存在及其击穿 ,应是引起负阻现象的原因 。
4)  inversion barrier
反演势垒
5)  HBE
势垒效应
1.
Based on the known model of the base transit time of SiGe HBT, the effect of heterojunction barrier effects(HBE) on the base transit time is considered and calculated.
在已有的SiGe HBT基区渡越时间模型的基础上,考虑了势垒效应对其产生的影响以及与基区Ge分布的关系。
2.
Moreover,small Ge fraction grading can t alleviate the HBE effectively,and Ge introduced into the collector can delay the HBE.
讨论了基区Ge分布、集电极电流密度对势垒高度的影响,分析了减弱势垒效应的方法。
6)  induced potential
感应势垒
1.
To make good use the high energy of solar energy, AlxGa1-xAs was designed to be a added wok layer, and fixed negative charges were introduced on the interface of MIp-AlxGa1-xAs, and the induced potential on interface was established as well, which would result in the formation of MIp+-AlGaAs induced junction and effective diminishment of interface recombination.
为充分利用太阳光的短波部分,将AlxGa1-xAs设计为电池的又一个光伏工作层,并引入固定负电荷,建立界面感应势垒,形成MIp+-AlGaAs感应结,有效降低界面对光生电子的复合。
2.
By introducing fixed negative charges on the surface of insulation layer of MIp Al x Ga 1 x As which were covered by anti reflection coating, the holes in p Al x Ga 1 x As layer were induced to interface, and the induced potential of electrons on interface was established.
在MIp AlxGa1 xAs结构的I层表面上 ,引入固定负电荷 ,并用减反射膜覆盖 ,将p Al1 xGaxAs层中的空穴感应至界面 ,可建立界面电子感应势垒 ,并将其构成MIp AlxGa1 xAs/p n n+ GaAs太阳电池。
补充资料:小垒
【诗文】:
小垒荒寒外,高斋寂寞中。
贫妨挂冠快,病减读书功。
桥断春江白,云穿夕照红。
悠然扶杖处,岁月叹匆匆。



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