1) electron annihilation
电子湮灭
1.
The results indicated that the dye sensitized TiO_2 extended its absorption range into the visible-light region and occured the phenomenon of the electron annihilation by organic dye sensitized TiO_2.
实验表明有机染料敏化的二氧化钛纳米晶在可见光区有非常强的光谱响应,具有荧光的染料发生电子湮灭现象。
2) Positron annihilation
正电子湮灭
1.
The size and numerical concentration of free volume of HDPE/CB composites were estimated by means of positron annihilation lifetime measurement, in which annihilations of positron and positronium were assessed.
对掺杂了 2 5份 (phr)导电炭黑 (CB)的样品进行了正电子湮灭寿命谱的变温测量 ,在玻璃化转变温度以上 ,随着温度的增加 ,自由体积的大小线性增加 ,在玻璃化转变温度以下 ,自由体积的大小基本不变。
2.
We have investigated the electrically active deep level defects in n-type 6H silicon carbide through the use of a series of complimentary spectroscopic techniques such as deep level transient spectroscopy, positron annihilation spectroscopy and photoluminescence.
文章作者利用深能级瞬态谱 (DLTS) ,正电子湮灭谱 (PAS)和光致荧光谱 (PL)等谱分析技术研究了六方碳化硅中具有电活性的深能级缺陷 。
3.
Long afterglow SrAl2O4:Eu,Dy phosphor was prepared by the traditional ceramic synthesis method, and investigated its luminescent mechanism and properties by the thermolumi-nescence and positron annihilation method.
利用传统陶瓷制备方法合成了长余辉SrAl2O4:Eu,Dy发光粉材料,并利用热释发光-正电子湮灭法对该材料的发光性能及机理进行了研究。
3) Slow-positron annihilation
慢正电子湮灭
4) positron annihilation peak
正电子湮灭峰
1.
The usual commercial softwares of γ-ray spectrum analysis could not accurately fit the multiplet region with positron annihilation peak,because the positron annihilation peak is greatly different from other peaks.
针对通常高纯锗探测系统的γ谱软件不能对包含正电子湮灭峰的重峰区间进行正确的拟合编写一软件 ,实现了对正电子湮灭峰和包含正电子湮灭峰的重峰的拟
6) annihilation operator
湮灭算子
1.
In this paper , the algebras SU(2) and SU(1,1) and the quantum algebras SU q(2) and SU q(1,1) are respectively realized by using only one pair of boson creation and annihilation operators a + and a,and one pair of q-boson creation and annihilation operators a + q and a q.
只用一对玻色子的产生和湮灭算子a+、a实现了SU( 2 )和SU( 1,1)代数 ;只用一对q玻色子的产生和湮灭算子a+q 、aq 实现了SU2 ( 2 )和SU2 ( 1,1)代数 。
补充资料：湮灭(annihilation)
【湮灭】(annihilation)当一种基本粒子和它的反粒子相遇时，两个粒子一起“消失”而转化为他种基本粒子的现象。例如，一个正电子与一个负电子相互作用后一起消失而转化为两个光子。
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