نتایج جستجو برای: population growth rates of 64
تعداد نتایج: 21311150 فیلتر نتایج به سال:
the main purpose of this research was to:1.develop a coking model for thermal cracking of naphtha.2.study coke inhibition methods using different coke inhibitors.developing a coking model in naphtha cracking reactors requires a suitable model of the thermal cracking reactor based on a reliable kinetic model.to obtain reliable results all these models shall be solved simultaneously.for this pu...
This study aims to obtain empirical evidence regarding the factors that influence company performance. The independent variables used in this are liquidity, asset structure, managerial ownership, and growth rates. dependent variable is population manufacturing companies listed on Indonesia Stock Exchange (IDX) for 2017-2021 period of 80 data. method determine sample was purposive sampling obtai...
the cotton bollworm, helicoverpa armigera (hübner), is one of the important polyphagous pests causing serious loss to many economically important crops in iran. the goal of this experiment was to study the age-stage, two-sex life table of h. armigera on different bean cultivars including white kidney bean (cultivars daneshkadeh, pak, and shokufa), red kidney bean (cultivars akhtar, naz, and say...
The incidence of total knee replacement in the United States more than doubled between 1999 and 2008, increasing from approximately 263,000 to 616,000 cases. The purpose of this study is to evaluate the claim that there has been a disproportionate increase in knee replacements among younger patients owing to expanding indications for the procedure in this group. Data on the US population for in...
Today, the population variable and its related specifications is basic infrastructure in the areas of economic and social planning and policy making. The population, including important component of economic and social in a society that has on economic performance and social community is effective and at the same time economic and social policies are also affected, so that changes in population...
Abstract Introduction: population aging refers to an age imbalance of the population so that the ratio of young population decreases while aged population grows. Decrease in fertility rate and growing life expectancy are the two key factors in emergence of population aging. The macro economy effects of population aging on economic growth was examined based on the effects of two factors includ...
Abstract Introduction: population aging refers to an age imbalance of the population so that the ratio of young population decreases while aged population grows. Decrease in fertility rate and growing life expectancy are the two key factors in emergence of population aging. The macro economy effects of population aging on economic growth was examined based on the effects of two factors includ...
This paper tries to survey Irans regional labor market disequilibrium within 1996-2000. According to the results there has been an increase in the amount of disequilibrium of Irans national as well as regional labor markets. Incomplete labor market information on vacant job opportunities in different regions of the country along with high costs of migration have been the major causes of unemplo...
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