1.
Experimental Study of Natural Radiation Lifetimes and Landé Factors for High-excited 5p7p Levels in Sn I;
锡原子高激发态5p7p能级的自然辐射寿命和朗德因子
2.
Natural Radiative Lifetimes and Landé Factors of Even-parity Levels Along J=1 Rydberg Series in Sn I
锡原子偶宇称J＝1里德堡系列能级的自然辐射寿命和朗德因子
3.
Test method for lifetime of infrared heater
GB/T7287.11-1987红外辐射加热器寿命试验方法
4.
Calculation of Oscillator Strengths and Lifetimes on the Transitions of High Rydbery States of Atom Li
锂原子高里德伯态跃迁的振子强度和辐射寿命
5.
Applications of Photon Closed-orbit Theory to Oscillations in the Spontaneous or Fluorescence Emission Rate of Atoms or Molecules in a Dielectric Slab System;
光子闭合轨道理论在介质板体系中原子自发辐射和分子荧光寿命问题上的应用
6.
THE ENERGY LEVELS, RADIATIVE TRANSITION PROBABILITIES AND LEVEL LIFETIME FOR Na-LIKE Br TO Rb
溴到铷的类钠离子能级辐射跃迂几率和能级寿命
7.
Radiation Trapping Effect and Measurement of the Rb(5P_(1/2)) Level Effective Radiative Times in the Vapor
Rb蒸气中的辐射陷获效应和5P_(1/2)能级有效寿命的测量
8.
The estimating method of atmospheric aging age on polymer matrix composites
聚合物基复合材料自然老化寿命预测方法
9.
microsec life radioisotope
微秒寿命放射性同位素
10.
short-lived radioisotope
短寿命放射性同位素
11.
millisecond life radioisotope
毫秒寿命放射性同位素
12.
Electromagnetic radiation produced by natural phenomena such as lightning.
由自然现象,如闪电等产生的电磁辐射等。
13.
The Pre-Research on the Radial Sandy Ridges in Jiangsu Costal Zone Application for the World Nature Heritage
江苏沿海辐射沙洲申报世界自然遗产预研究
14.
The natural lifetime for such beings is short, compared to the travel time.
这样的生命具有的自然寿命与太空旅行的时间相比是短暂的。
15.
High-tech engineering, electronic computers, even radioactivity are new weapons in a continuing battle to preserve and extend human life.
高科技工程、电子计算机，甚至辐射技术，在这场维持并延长人类寿命的持续战斗中成为新兴武器。
16.
The Effect of Heat Pasteurization and Radurization Combination processing on the Shelf Life and Quality of Ham
加热巴氏杀菌和辐射选择性杀菌联合加工对圆腿货架寿命和产品品质的影响 初报
17.
Effect of ~(60)Co-γ Ray Radiation on the Germination Rate and Growth of Tagetes erecta
~(60)Co-γ射线辐射万寿菊对发芽率及生长的影响
18.
But 20h century medicine did little to increase the natural life - span of healthy humans.
但是，20世纪的医学在延长健康人的自然寿命方面没有什么进展。