pair annihilation是什么意思

网络释义

用法例句

An investigation on the imperfect state is made by using positron annhilation technique.

报导了以诱导共沉积的方法，制取了非晶结构的Ｎｉ－Ｐ－Ｙ合金材料；并通过正电子湮没技术对该材料的缺陷作了研究；指出缺陷是该类材料结构发生变化及性能改善的根本原因。

Special soliton structures and the phenomena of fission and annihilation of solitons for the (2+1)-dimensional Broer-Kaup system with variable coefficients;

变系数(2+1)维Broer-Kaup系统的特殊孤子结构及孤子的裂变和湮没现象

The “annihilation” of rational dioid in general way is discussed.

对有理双子的“和”运算与“积”运算的“湮没”问题作了一般性的研究，其结果在简化双子运算，揭示其有理双子的稳态部分的性质有十分广泛的应用

The changed particle multiplicity of heavy quark jet events in e+e- annihilation is calculated by the quark production rule and quark combination rule.

利用“夸克产生律”与“夸克组合律”计算了ｅ＋ｅ－湮没中重夸克喷注事例的带电粒子多重数，结果与实验符合。

electron positron pair annihilatio

电子 正电子对湮没

To participate in annihilation, as do an electron and a positron.

湮灭，湮没湮灭，如电子与正电子

The struggle remained in eclipse: National government’s propagandize to enemies;

被湮没的抗争:抗战时期国民政府的对敌宣传

sink into oBscurity

被世人忘掉，湮没无闻

That ancient city has been buried in oblivion.

那座古城早已湮没无闻。

The tide has obliterated the footprints on the sand.

潮水湮没了沙上的足迹。

③swelling,compressing displacement and obliteration of nerve root;

③神经根肿胀、受压移位或湮没 ;

His talent was submerged by his shyness.

他的腼腆湮没了他的才能。

Bohr Settled among all the dust we raised.

波尔湮没在我们扬起的尘土之中。

Pompeii was overwhelmed by a vast accumulation of dust and ashes.

庞贝湮没在一巨大的尘土和灰烬堆里。

and immersed in the glare of their parent stars.

湮没在各自恒星的耀眼光芒中。

He had settled to his safety and accepted perforce his extinction.

他已习惯于苟安，被迫接受自己的湮没。

There is no pain, you are receding.

没有痛感，但是你却在我的视线中湮灭。

Many ancient cities have long since passed into oblivion.

许多古代的城市早已湮没。

A real or virtual photon may spontaneously annihilate.

一个实的或虚的光子可以自发地湮没。

Study on Transparent Ceramics MgAl_2O_4 by Positron Annihilation Lifetime Technique;

透明陶瓷MgAl_2O_4的正电子湮没寿命谱研究

Strange Suppression in e～+e～- Annihilation and Collisions;

e～+e～-湮没与PP（？）碰撞过程的奇异抑制

Analysis of Three Annihination Potential and ?+～(12)C Inelastic Scattering;

三种（？）N湮没势和（？）+～（12）C非弹性散射