1.
Measuring and analysing the change in life expectancies of female population in Hebei province
河北省女性人口平均预期寿命变化的度量分析
2.
An analysis of social development and life expectancy in the post-war world;
战后世界各国社会发展与人口寿命变化研究
3.
Regional Disparity in Changes of Healthy Life Expectancy of Chinese Elderly:Expansion or Compression?
中国老年人健康预期寿命变化的地区差异:扩张还是压缩?
4.
Study on Cost Optimization of Transmission and Distribution Equipment Life Cycle;
输变电设备全寿命周期成本优化研究
5.
THE YEARLY CHANGE AND REGIONAL DIFFERENCES OF POPULATION LIFE-SPAN IN CHINA;
中国人口寿命的时间变化和区域差异
6.
Application of Kinetics of Chemical Reaction in Aging Lifetime Evaluation of Oil-paper Insulated Transformers
化学反应动力学预测油纸绝缘变压器老化寿命
7.
The elastic property of the gelmay changes with its age.
胶体的弹性性质可能随着它的寿命而变化的。
8.
VARIATION OF LUNG DOSE WITH AGE OF RABBITS BY INHALATION OF SHORT-LIVED RADON DAUGHTERS
吸入短寿命氡子体家兔肺剂量随日龄的变化
9.
EFFECT OF CHANGEABLE ACTION OF RESIDUAL STRESSES ON FATIGUE LIFE
残余应力的变化行为对疲劳寿命的影响
10.
Studying the Service Life of the Low-changing catalyst and the Measure of Length Its Life Span
探讨和延长低变催化剂的使用寿命及措施
11.
Research of Relationship between Carbide Change and Remaining Life of Gas Turbine Blades
碳化物的变化与烟气轮机叶片剩余寿命关系的研究
12.
The absorbed dose to lung tissue as a function of age of rabbitsby Inhalation of short-lived radon daughters is described in this paper.
本文介绍吸入短寿命氡子体的家兔肺组织吸收剂量随日龄的变化。
13.
Disability-free Life Expectancy of Chinese Elderly and its Change between 1994 and 2004;
1994~2004年中国老年人的生活自理预期寿命及其变化
14.
Study on Aging Characteristics of Oil-paper in Transformer and Its Lifetime Estimation Method
变压器油纸绝缘老化特征量与寿命评估方法研究
15.
Improved Mold Service Life By Laser Hardening and Laser Cladding Technic
激光相变硬化及激光熔覆技术可提高模具使用寿命
16.
The Aging Property and Life Prediction of NEPE Propellant under Constant Strain
定应变作用下NEPE推进剂老化特性及寿命预估研究
17.
Analysis of Mechanical Response when Change of Structural Thickness of Asphalt P with Long Service Life
长寿命沥青路面结构厚度变化时的力学响应分析
18.
The Variable Feature of Orbital Eccentricity and its Influence on Orbital Lifetime
卫星轨道偏心率的变化特征及其对轨道寿命的影响