Beijing (China)20,384,000 Osaka (Japan)20,238,000 Cairo (Egypt)18,772,000 New York-Newark (US)18,593,000 Sex Ratio In most sex reproductive species, ratios tend to be 1:1. But human sex ratio is particularly the study of interest of expert. The human sex ratio is the number of ...
Zhai Zhenwu,Duan Chengrong,Bi Qiuling.Current Situation and Recent Analysis of the Floating Population in Beijing. Population Research . 2007Zhai Zhenwu,Duan Chengrong,Bi Qiuling.Current Situation and Recent Analysis of the Floating Population in Beijing.Population Research. 2007Zhai Zhenwu,Duan ...
Current City Problems in Beijing: Discussion of PM2.5 Related Toxic Air Pollution 来自 Semantic Scholar 喜欢 0 阅读量: 41 作者:Z Dan,M Kung 摘要: Recent reports show that an estimated one-fifth of the world's population is suffering from toxic air pollution (Qu, 2013; Liu, 2013; Zhou ...
Objective: To investigate the current status and trend of disease burden of neoplasms in 1990 and 2016 for Beijing people. Methods: The incidence situation, deaths status and disease burden of neoplasms in Beijing were described by using the results of the global burden of diseases study 2016 (...
- 《Population Medicine》 被引量: 0发表: 2019年 Research on the current situation of re-visiting at 4 traditional Chinese clinics in urban area of Beijing Objective To research the current situation at traditional Chinese clinics in urban area of Beijing,and to propagate the importance of re-...
The Economic Evaluation of Domestic Wildlife Conservation-A Case Study of Resident's Willingness to Pay in Beijing Species extinctions coupled with large-scale deterioration of wildlife habitat are becoming more and serious worldwide and there is no exception in China.T... L Chen,ZY Ouyang,XN Dua...
Furthermore, no khulan were recorded using the wildlife crossings of the G7 expressway (from Beijing to Urumqi) in the Alashan prefecture (Li et al., 2018, Li et al., 2019, Zhang et al., 2019). Nowadays, khulan only range from Urad (or Wulate) Houqi in Bayannur to Erenhot in ...
ResearchonCurrentStatusandPopulationRegulationMechanismofBeijing 系统标签: 人口调控populationregulation现状mechanism 科技创新与生产力2014年9月总第248期近年来,随着城市化进程加快推进,北京人口增长过快, 区人口密度过高,给资源、环境、公共服务、就业和 市管理带 很大压力。如何有效地调控人口,使人口规模与 市承载力相...
An international conference on the Ethnic Chinese abroad was held by the Chinese Academy of Social Sciences in Beijing between Nov.15-16, 2002. The confere... X Cheng - 《Overseas Chinese History Studies》 被引量: 2发表: 2002年 Population Structure and Gene Flow Among Wild Populations of the...
BEIJING, Sept. 30 (Xinhua) -- With the 2022 ITTF World Team Table Tennis Championships opening Friday, some 60 teams from countries and regions across the globe are gathered in Chengdu, a city in the southwest of China which is restoring the normal order of life less than a month after ...