نتایج جستجو برای: distribution of population
تعداد نتایج: 21240624 فیلتر نتایج به سال:
We have modified the sexual Penna model by introducing the fluctuating environment and fluctuations representing physiological functions of individuals. Additionally, we have introduced the mother care corresponding to the protection against the delete-rious influence of the environment, the learning capacity of individuals corresponding to their immunity and adaptation to the environment fluct...
Background: Equitable and suitable access of all citizens to the urban public service is one of the primary principles of urban planning, which with the rise of the justice-centered approaches in recent decades has been double care. In the meantime, access to health services as one of the vital public service has greater sensitivity. This research has been performed with aim of identify enjoye...
Background :The CCR5 is a chemokine receptor that serves as a co-receptor for HIV-1 attachment and entry to T lymphocytes. A 32bp deletion (∆32) in this gene is believed to be associated with resistance to infection and delay disease progression. The aim of this study was to determine the ∆32 allele frequency in healthy individuals and HIV-infected individuals with AIDS. Methods : In this e...
the current study examined iranian undergraduate efl students’ willingness to communicate with regard to their vocabulary knowledge. in general, participants were somewhat willing to communicate in english. the total mean score of 730 university students’ perception of willing to communicate was 83.53 out of 135. results, regarding four parts of willingness to communicate, revealed that part...
Background and objective: The spatial structure of cities depends on the different and mutual relationships of all forces and factors in the city. These factors include market forces, activities, urban infrastructures and various services, which always have a complex and reciprocal relationship. In today's world, one of the basic challenges in cities is to create a balanced spatial structure th...
Background: Equity in access to health care services is one of the main goals of health systems, so that inequality in the geographical distribution of health resources will make it difficult for individuals to access the health care facilities. This study aimed to determine the distribution status of hospital resources and inequality coefficient in the West Azarbaijan province before and afte...
the purpose of this research is to examine consumers’ brand value and brand loyalty toward luxury brands and current distribution channels for those brands (i.e. free standing, shopping center, specialty store, internet retailing). the population consisted of the costumers, aged 19-39 years, who use branded apparel that is in kerman. about 200 questionnaires were distributed among the consumer...
population in all countries plays a fundamental role in economic growth and economic development. but besides absolute size and growth rate of population, the more important factor will be “age structure” or “age distribution” of population, because it can be as source of many economical, social, and political challenges. in this research, we investigate effect of changes in population shares i...
background : we need a defined population for determining prevalence and incidence of diseases, as well as conducting interventional, cohort and longitudinal studies, calculating correct and timely public health indicators, assessing actual health needs of community, performing educational programs and interventions to promote healthy lifestyle, and enhancing quality of primary health services....
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