نتایج جستجو برای: per capita production rate
تعداد نتایج: 1826896 فیلتر نتایج به سال:
abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
A key aspect of sustainable development in a country is how energy, environment and economic sectors interact. Greenhouse gas emissions and their impacts are among important environmental issues that have been in focus. The increase in the concentration of these gases in atmosphere to levels above the natural level results in global warming, depletion of the Earth’s protective layer against har...
cryptoleamus montrouzieri is the most important natural enemy of pseudococcus citri. the effects of different temperatures and different densities of c. montrouzieri on predation rate, searching efficacy and mutual interference of the mentioned coccinellid feeding on the nymphs of p. citri was studied. hassel and varley model was applied for estimation of interference constant. according to the...
OBJECTIVE To estimate the national trend in per capita consumption (PCC) of alcohol for Australians aged 15 years and older for the financial years 1990-91 to 2008-09. DESIGN AND SETTING With the use of data obtained from Australian Bureau of Statistics' catalogues and World Advertising Research Centre reports, three alternative series of annual totals of PCC of alcohol for the past 20 years ...
the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis , a one- way anova experimental design was carried out. 24 senior student of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inte...
introduction all nations are striving for development. economic development is one of the main parts of development process, but not all of it. populations health is one of the main factors of economic development, and child’s mortality is one of the main factors of population health status. the aim of this study is investigating the role of socioeconomic disparties in under 5 mortality in east...
Introduction: Investment in human capital and enhancement of its quality has an important role in improving economic growth. Improvement of the health condition of labor force leads to an increase in human capital and an enrichment of labor productivity which subsequently improves the economic growth. The purpose of this study was to assess the effects of healthy human capital on the growth rat...
Introduction and Purpose: The quantity and quality of industrial wastewater is variable owing to the different lines of production and product variety of industry. Meeting the effluent standards requires proper environmental management. The current study aimed to evaluate the industrial wastewater management in Savojbolagh, Alborz, Iran from an environmental pe...
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