1) Heisenberg spin chain
Heisenberg自旋链
1.
In this work the existence and uniqueness of smooth solution of the nonhomogeneous initial-boundary value problem for the system of Heisenberg spin chain are studied.
本文研究Heisenberg自旋链系统的非齐次初边值问题光滑解的存在性与唯一性。
2) 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。
3) 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
4) Proton
He~（++）
5) 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
6) HeⅡ
HeⅡ
参考词条
~（6,8）He
He II
W-HE
HE-AAC
GDC（He）
He~+靶
He-Ne
He/O_2-PBII
Cs-He
Rb-He
He-Ne激光
He同位素
He原子
固He能力
氦（He）气氛
CID/Ar（He）-MIKES
县（市）图书馆
紧网程度
补充资料：自旋-自旋弛豫
自旋-自旋弛豫
磁共振成像术语。又称T2弛豫或横向弛豫(transverse relaxation)，指垂直于外磁场B0方向的磁化矢量的指数性衰减过程。磁共振成像时，对置于外磁场B0中的自旋系统施加90°射频脉冲，则自旋系统被激励，其净磁化矢量指向与外磁场B0垂直；射频脉冲终止后，被激励的质子与邻近的原子核之间发生相互作用，逐渐失去相位，净磁化矢量指向恢复与外磁场平行，该过程称自旋-自旋弛豫。自旋-自旋弛豫过程无能量交换。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。