نتایج جستجو برای: eutrophication and ozone layer depletion was obtained 111
تعداد نتایج: 16933846 فیلتر نتایج به سال:
the world wide web becomes very popular recently and plays an influential role in english learning. by burgeoning role of source-based writing as partial fulfillment of tefl courses and vast use of the internet, lack of empirical studies to explore these areas is obvious. this study aimed to explore the effect of the amount of familiarity with the web (internet literacy) on junior english stude...
nanotechnology is a general term which is related with field of all advanced science term that generally predicates with all modern technologies which consider nanoscales. improvement in the quality of products by adding some nanoparticles and study of their behavior in the presence of these nanoparticles have been obtained in many researches. on the other hand numerous demands for sowing ...
The 1987 Montreal Protocol regulating emissions of chlorofluorocarbons (CFCs) and other ozonedepleting substances (ODSs) was motivated primarily by the harm to human health and ecosystems arising from increased exposure to ultraviolet-B (UV-B) radiation associated with depletion of the ozone layer. It is now known that the Montreal Protocol has helped reduce radiative forcing of the climate sys...
one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...
The substantial springtime loss in ozone amount in the lower Antarctic polar stratosphere has prompted extensive studies of ozone depletion over the last two decades (World Meteorological Organization (WMO) 1992, 1995, 1999). Due to the important role ozone plays in absorbing harmful ultraviolet radiation, the ozone decline in mid-latitudes and dramatic ozone depletion over Antarctica may have ...
the present study aimed at investigating how different news agencies using the concept of legitimation/delegitimation represent the same event differently. to this end, van leeuwens (2008) legitimatory/delegitimatory framework was applied to the data gleaned from the iranian state-run news agency fars news, british state-run news agency bbc, and also american state-run news agency voa. the resu...
educational researchers have provided evidence that teachers’ emotional intelligence has strong effects on various aspects of teaching and learning. yet, in the field of teaching english to speakers of other languages (tesol), inquiry into teachers’ emotional intelligence is nearly limited. given its documented powerful impact on teaching practices and student learning, it is critical to pursue...
This study analyzed the characteristics of environmental impacts apartment buildings, a typical housing type in South Korea, as part research project supporting streamlined life cycle assessment (S-LCA) buildings within G-SEED (Green Standard for Energy and Environmental Design) framework. Three recently built building complexes were chosen objects quantitative evaluation terms their embodied (...
The production of textile materials has undergone dramatic changes in the last century. Man-made cellulose fibres have played an important role for more than 70 years. Today, the man-made cellulose fibre industry is the worldwide second largest biorefinery (next to the paper industry). In the last few years, the interest in man-made cellulose fibres has grown as a consequence of increased envir...
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