1) Annihilation rate
湮没率
2) positron annihilation rate
正电子湮没率
1.
Comparing with experimental data of positron annihilation rate,a relation between electron density and positron annihilation rate,and an expression of enhancement factor were obtained.
应用电荷自洽离散变分Ｘα方法（ＳＣＣ─ＤＶＭ─ＸαＭｅｔｈｏｄ）计算了金属中的传导电子密度，得出了金属的传导电子密度与正电子湮没率的关系，并由此直接给出了增强因子的形式。
3) annhilation
湮没
1.
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。
4) annihilation
[英][ə,naiə'leiʃən] [美][ə,naɪə'leʃən]
湮没
1.
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
2.
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
3.
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。
5) annihilation lifetime
湮没寿命
1.
Tests and analyses of the positron annihilation lifetime on annealing samples at different temperature demonstrated that point defects were mainly cadmium vacancies which were preponderant in CdSe crystal.
利用正电子湮没方法对CdSe单晶中的缺陷进行了研究,通过对不同温度下退火样品正电子湮没寿命的测试分析,表明:在CdSe晶体中存在的点缺陷主要是占优势的镉空位。
6) annihilation effect
湮没效应
补充资料：电导率(见电阻率)
电导率(见电阻率)
conductivity
d!日nd日O}已电导率(eonduetivity)见电阻率。
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