人口迁移

人口迁移的选择性一直以来都是人口学家和经济学家关注的焦点

Selectivity of human migration long been the focus of demographers and economists .

进一步对山东地区不同时期人群古代DNA数据的分析表明，造成这种差异的原因很可能部分源自周代及周代以前，中国南方向山东地区的人口迁移和基因交流。

Further analyses indicate that part of the difference is caused by the South to North migration in or before the Zhou dynasty .

针对PMA算法的思想，首次提出将人口迁移算法应用于蛋白质的折叠模拟中，并使用该算法求解蛋白质折叠构形预测的二维AB模型，对计算结果进行了分析。

The numerical results enunciate that This paper introduce the thought of PMA , and the usage should improve algorithm to solve 2-space off-lattice model , estimate to obtain better result of protein folding .

通过引入人口迁移的思想，在保证算法收敛性的同时，使M-PSO算法具有良好的优化速度和优化效果。

By introduction of the ideology of population migration , the M-PSO algorithm keeps the convergence and has good performance such as optimization velocity and optimization results .

人口迁移的中外对比研究

Study on the comparison of migration in China and other countries

再论人口迁移的概念与统计口径界定

The intensive research on definition and statistical caliber of population migration

中国人口迁移和人口流动的分类界定

On Classification of Permanent and Temporary Migration of Population in China

永久性国际移民是国际人口迁移的重要组成部分。

Permanent international migration is an important part of international migration .

广东人口迁移机制、特征与走向

The impetus , features and trend of population migration in Guangdong

澳门的人口迁移及对当地社会经济发展的影响

Influence on the Economy and Society by Immigration in Macao

山西省城市化进程中的农村女性人口迁移

The Migration of the Rural Female Population during Urbanization in Shanxi Province

山东省城镇人口迁移模式研究

Study on Model of Urban Population Migration in Shandong Province

隋以前陕南汉江流域的人口迁移

Population migration in Han River valley of southern Shaanxi before Sui Dynasty

美国农村人口迁移的经验，对我国农村人口迁移有一定启示。

This experience of U.S.A will enlighten population migration of our country .

人口迁移是城乡贫富悬殊现象的征兆。

Migration is a symptom of rural poverty and of urban over-privilege .

西汉人口迁移对边疆经济开发的作用

The Function of the Migration of Population in the Western Han Dynasty

中国人口迁移的空间形态变化分析

Analysis of the Changing Spatial Patterns of Migration in China

论人口迁移流动与环境保护

A discussion on population migration and floating and environmental protection

含人口迁移的性传染病模型

A model of sexually transmitted diseases with emigration of population

美国第二次西部大开发与人口迁移

The Second Westward Development and Population Migration in the U.S

我国人口迁移研究的回顾、总结与讨论

A Review , Summary and Discussion of Population Migration Study in China

制度变迁背景下的水库移民返迁&人口迁移动因的推拉理论的完善

The Reservoir Migrants ' Return Migration in the Institutional Perspective

人口迁移与城镇体系规模结构

Migration of People and the Structure and Size of An Urban System

森林资源的变化对人口迁移的影响。

Forest resources ' change has an important impact on human migration .

九十年代以来我国人口迁移的若干新特点

The New Characteristics of China 's Migration Since 1990 s

经济增长、人口迁移与消费者福利最大化

Economic Growth , Population Migration and Consumer Welfare Maximization

1990年代后期我国省际人口迁移区域模式研究

Study on the Regional Pattern of China 's Inter-Provincial Migration in 1990 's

农业人口迁移与城市化过程中的生态学问题；

Ecological issues in the process of migration of agricultural population and urbanization ;

古代湘桂走廊的人口迁移与社会发展

Migration of population and social development along the Hunan-Guangxi corridor in ancient China

人口迁移空间选择机制的经济学分析

Economic Analysis of the Spatial Selection Mechanism of Migrants