1) Molecular reaction potential barrier
分子反应势垒
2) 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。
3) energy-barriers of molecular dissociation
分子解离势垒
4) 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 。
5) inversion barrier
反演势垒
6) 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。
补充资料：垒垒
1.重积貌。
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