45. First, for each city, we constructed a time series of daily all-cause and cause-specific mortality counts by aggregating individual-level mortality records within each city and age group (<65 and 65+ years) and linked it to the corresponding population...
our results show that city size has a positive impact on city productivity;therefore,cities in China still have the potential to expand.While moderate urban population concentration can benefit city productivity,excessively concentrated urban population distribution may impede the growth of city ...
City, relatively permanent and highly organized centre of population, of greater size or importance than a town or village. The name city is given to certain urban communities by virtue of some legal or conventional distinction that can vary between regi
Models of city size in an urban system The impression may be derived from the title that attention will be focused on a single city with respect to some aggregate such as total population, gross income, or areal extent. Such is not the case, however, since this paper is prima... JB Pa...
青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译!city-states varied in size and population. athens had more than 300000people by fifth century b.c(before christ),but most city- states were much smaller, consisting of only a few hundred to ...
Population Size Estimation of Men Who Have Sex with Men in Ho Chi Minh City and Nghe An Using Social App Multiplier Method 喜欢 0 阅读量: 24 作者:Safarnejad,Ali,Nguyen Thien Nga,Vo Hai Son 摘要: This study aims to estimate the number of men who 关键词:...
representing one of the world’s most significant ratios of capital-to-national population. The country’s next largest city,Guadalajara, is only a fraction of its size. Moreover, its dense population has yielded an unparalleled concentration of power and wealth for its urban elite, though not ...
Urban population size is an important object of study in the field of urban system.The population size and its hierarchy of a certain city in the urban system may be affected by other cities around it and the distance between them,while the influencing factors are ignored in some traditional ...
it is the economic center in the upper reaches of theYangtze Riverand a transportation hub in southwestern China. Urban amenities including metro, bus, ferry, cableway, light rail and large size elevator solve the traffic problem and support such a huge population of this China’s large city....
cities. In fact, we found no correlation between relative population growth (viz. population growth by county size) and distance from the core county (Supplementary Fig. 5A) for the 46 cities with more than 5 counties, with relative growth about 0.03 ± 0.05. On the other hand, we ...