正电子素

正电子素负离子（Ps~-）基态能级的相对论修正

The relativistic corrections for ground state energy of the positronium negative ion

在固态甲烷中，正电子素（简称Ps）在自由体积中形成，形成率为～27%。

In solid phase , the positronium ( Ps ) formation in free volume and the P. yield of 27 % were observed .

聚合物PMMA和Epoxy中正电子素的磁猝灭

The Magnetic Quenching of Positronium ( Ps ) in PMMA and Epoxy Polymers

采用PASCA技术研究正电子素o-Ps在MoNi/Al2O3加氢催化剂上的反应动力学

Kinetics study of positronium o-Ps on moni / al_2o_3 hydrotreating catalyst by PASCA

用正电子素o－Ps研究以亚甲兰为光敏剂在甲酸和水体系中激光诱导单态氧￣1O＿2的形成。

The singlet oxygen O induced by laser in a methanol - water system with photosensitizer , methylene blue ( MB ), was probed by positronium .

界面极化和自由体积尺寸对正电子素形成的影响

Influence of interfacial polarization and size of free volume hole on positronium formation

提出正电子素光磁湮没模型以解释实验事实。

A photomagnetic positronium annihilation model was proposed to explain the experimental facts .

正电子素探测多孔材料内表面特性

Study of the Inner Surface Properties of Porous Material Using Positronium as a Probe

用正电子素探测叶绿素三线激发态浓度的变化

Positronium as a probe for concentration changes of photo - excited triplet states of chlorophyll

正电子素络合形成研究（Ⅱ）

Studies on Positronium Complex Formation (ⅱ)

本文讨论了不同测量条件对正电子素络合反应速度常数测定值的影响。

This article discusses the effects of different measurement conditions on the measured value of the positronium complex reaction rate constants .

用~（22）Na和气凝硅胶构成的电子偶索源及三重符合的NaI（T1）计数器，测量了正电子偶素三光子衰变。

The three photon decay of positronium was further studied using positronium source composed of ~ ( 22 ) Na and silica aerogel and triple fast coincidence method .

正电子偶素（o-Ps）寿命困惑及其最终解决

The orthopositronium lifetime puzzle and its final solution

理论上研究了碱卤晶体中准正电子偶素（qPs）的弛豫机制。

In our theoretical approach , the relaxation mechanism of the quasi-positronium ( qPs ) in alkali halides has been studied .

正电子偶素三光子衰变的光子角分布

The angular distribution of photons in ORTHOPOSITRONIUM three photon decay

若方向相同，则称该自旋态的电子偶素为正电子偶素；若方向相反，则称为仲电子偶素。我们言归正题/言归正传。

If the spins are in the same direction , the state is called orthopositronium ; if they are opposite , we speak of parapositronium . Let 's get Back to our main subject .

采用化学分析正电子湮没谱（PASCA）技术研究正电子素（o-Ps）在MoNi/Al2O3加氢催化剂上的反应动力学。

The reaction kinetics of positronium o-Ps on MoNi / Al2O3 hydrotreating catalyst was studied by using the positron annihilation spectroscopy for chemical analysis ( PASCA ) .

本文利用正电子湮没谱（PAS）研究两种非金晶态聚合物PMMA和Epoxy中正电子素（Ps）在外磁场中（0至25KG）的猝灭行为。

Magnetic field quenching of positronium ( Ps ) has been studied in PMMA and Epoxy polymers using in the positron lifetime spectroscopy .