1)  HE-AAC
HE-AAC
1.
HE-AAC V1 Decoder Design Based on SW/HW Co-design;
基于软硬协同设计的HE-AAC V1解码器设计
2)  HE-AAC v2
HE-AAC v2
1.
The Design and Realization of HE-AAC v2 Decoding Based on SH-Mobile;
基于SH-Mobile的HE-AAC v2解码设计与实现
3)  helium
He
1.
In order to investigate the effects of helium on the excess point defects and secondary defects processes in low activation Fe-Cr-Mn(W, V) alloys during electron beam and electron-He+ ion dual beam irradiation, the in situ observation was carried out using a high voltage electron microscope connected with an ion accelerator.
采用超高压电镜与离子加速器相连结的复合辐照装置,研究了注He对低活性Fe-Cr-Mn(W,V)合金辐照产生的点缺陷及二次缺陷行为的影响。
4)  He
He
1.
Mixing and quenching of Cs(6P_J) states induced by collisions with He atoms and N_2 molecules;
Cs(6P_J)+(He,N_2)碰撞精细结构转移和猝灭
2.
Rb(5 P_J)+(He,N_2) collisional energy transfer;
Rb(5 P_J)+(He、N_2)碰撞能量转移
3.
Mixing and Quenching of Rb 5P_J States Induced by Collisions with He Atoms and N_2 Molecules;
Rb(5P_J)与He,N_2的碰撞精细结构混合和猝灭
5)  Proton
He~(++)
6)  He-NO
He-NO
1.
Influence of He isotope on the differential cross section for He-NO collision system;
He同位素对He-NO碰撞体系微分截面的影响
参考词条
补充资料:AAC2
分子式:
CAS号:

性质:这是在酸催化下酯水解反应最常见的机理。在AAC2机理中,水分子进攻质子化的酯(i)生成具有四面体结构的中间体(ii)是速率控制步骤,所以是双分子反应,在动力学上属二级反应。生成的中间体(ii)发生酰氧断裂,所生成的醇保持原来的构型。AAC2机理是可逆的,其逆过程是酸催化的酯化反应。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。