So the scientific prediction of population gross is the chief problem in the population control, although the control theory that advocated formerly obtained upstanding effect to the population control in our country, with the development of society and economy, to establish rational population and economy policy must consider population gross for present in our country, the old prediction methods are not adapt to it.
The disadvantage influences have been taken to the development of our country's economy by the uninterrupted increase of the population gross and the speediness of population ageing.
According to the data of " the fourth population census" in 1990 and the 1% population sample survey data in 1995, future Zhejiang population developing trend was projected, based on the analysis of the current population deveploment situation . The crosscentury Zhejiang population development strategies were also investigated. With the prerequistes of maintaining a reasonably low human fertility and continued control of the total population.
This article makes an analysis and estimate of China's current total population using the 4th population census data and statistics from the household registration departments.
The author argues that birth statistics has incurred under--reporting since 1991, and taking this into consideration, China's total population by the end of 1999 is estimated to be 1. 257--1. 267 billion;
According to the data and materials of gazetteers, this paper is trying to build models of City\|Population Degree of Jiangsu and points out that the percentage of city population, which is partly dependent on the number of city population, is mainly determined by the number of the total population in the area.
This part analyses that from the followingaspects: population quantity, population reproduction types, population density,population age constitutes birth sex ratio, and fertility rate and population quality.
In recent years,the issue of decrease in total amount of population,low birth rate,high death rate and population aging have evolved population crisis of Russia,which causes serious impact in race survival and development of society and economic.
In Russia, geothermal resources are predominantly utilized for space heating in several cities and settlements of the Northern Caucasus and Kamchatka with a total population of 500?000.
In a series of CH3-C(O)O-Alk-N+(CH3)3, the rate of BChE hydrolysis is demonstrated to depend on the total population of conformations compatible in the mutual arrangement of functionally important atoms with the tg- conformation of ACh.
For all diseases, the prevalence rate in the region where they were found and the mean prevalence rate in the total population studied were calculated.
The prevalence rate in the region where the disease was found and the average prevalence rate in the total population studied were calculated for each disease.
The impact of resource variation on population quantity in herbivores insects.
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In this paper, influences have been explored of population growth and age structure on such macroeconomic variables as economic growth rate, inflation, and employment and on reforms in economic system, during the 15 years from 1996 to 2010,a defining period in which socioeconomic development strategies are to be realized and population is to continue its transition in China. The paper concludes that while the slowdown of population growth in this period is conducive to maintaining high rates of economic gro...
The population problem and the problems of resources, environment, and grain will be the the chief problems man is to confront in the 21 century. Although Inner Mongolia has a vast territory with a sparse population, the pressure of the social environment brought to it by the increasing population is still very great, because more than 80% of its territory is arid and half arid desert, its ecological environment very weak, the bearing capacity of its land small, and its regional economy not developed. Thi...
During the transition of economy and society in China, the total number of the urban poor has increased markedly, and the urban poor groups are becoming diverse. That is to say, besides the original urban poor composed of the senile, the weak, the patients and the disable,there have emerged the new urban poor which are comprised of a large number of laid off workers. There are many causes contributiong to the urban poverty. On the one hand, the urban poverty is brought about by the national economic struc...
人口总量
population gross
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