نتایج جستجو برای: like many developed and developing societies
تعداد نتایج: 16964670 فیلتر نتایج به سال:
as some definitions show, idioms are expressions whose meanings cannot be obtained from individual words. in every society, people use their own conceptions and feelings through different idioms and expressions. so every culture and society has their own idioms. some scholars proposed methods for translating idioms but baker’s strategies are very important and constructive. this research tried ...
in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...
“older people are an enormous asset to our societies, not only because a large majority of them continue to work in old age, but also because they convey social values to younger generations” dr. wesum asia/pacific regional conference on ageing 2012 the population ages 65 and over is expected to grow very rapidly in all parts of the world. over the next decades, the elderly population is projec...
previous studies have aimed at testing a hypothesis but the present study is data-first research in which researcher tries to form a theory from data rather than the use of data to test a hypothesis. this study aims at exploring teachers perceptions of the strengths and weaknesses of the current syllabus for college preparatory course. eight experienced teachers were selected to collect data du...
â â â â â â â â â â â the recent global crisis, as a big crash ( baldwin and simon , 2009), has reduced foreign demand growth affecting total countriesâ exports. given the importance of foreign trade to nations and the reality that recent crisis has affected international trade we study the effects of the global financial crisis on trade relations between countries by using ma and cheng (200...
agriculture has a key role to play in reducing poverty and hunger in many developing countries. about 75% of the world's poor live in rural areas and most are dependent on agriculture and related activities in the rural economy. for this reason the benefits for developing countries’ farmers have been shown to be substantial if oecd member countries reformed their agricultural policies. the issu...
abstract nowadays, the science of decision making has been paid to more attention due to the complexity of the problems of suppliers selection. as known, one of the efficient tools in economic and human resources development is the extension of communication networks in developing countries. so, the proper selection of suppliers of tc equipments is of concern very much. in this study, a ...
asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
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