نتایج جستجو برای: degradation due to population growth

تعداد نتایج: 11049791  

Journal: :PROCEEDINGS OF THE JAPANESE CONFERENCE ON HYDRAULICS 1981

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده علوم پایه 1390

abstract: the present study is about prophet ishmael, some parts of his life; his personality in the quran and the bible; and the comparison of the content of these two religious books. compilation of the study has been done with a new perspective and new presentation approach. since prophets have been human beings’ role model and their life has been a perfect example for humanity in all ages,...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...

Journal: :تحقیقات آب و خاک ایران 0
الهام نوشادی دانشجوی دکتری گروه خاک شناسی دانشگاه تربیت مدرس مهدی همایی استاد گروه خاک شناسی دانشگاه تربیت مدرس محمد محمودیان شوشتری استاد گروه عمران دانشگاه شهید چمران اهواز فریبرز عباسی دانشیار مؤسسة تحقیقات مهندسی کشاورزی

the objective followed in this study was to investigate the transport and degradation of herbicides under different herbigation vs. conventional spraying systems in soil. metribuzin and potassium bromide (kbr) were applied in soil plots by four application methods, including conventional spraying without delay in initial irrigation (cs1), conventional spraying with an initial 24-h delay in irri...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده برق و کامپیوتر 1392

abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1393

this exploratory study aimed to investigate a possible relationship between learners’ beliefs about language learning and one of their personality traits; that is,locus of control (loc). both variables, beliefs and locus of control, are assumed to influence the language learning process. the internal control index (ici) and the beliefs about language learning inventory (balli) were administered...

Background and aims: Nowadays, the age structure of Iran is transitioning from youth to elderly. Although, the elderly population are still accounted for a small portion of the population; however, the population growth rate of this age group is growing compared to the growth of the total population. Therefore, understanding of the changes of this population is necessary. This study aimed to id...

اخوان سپهی, عباس, موسوی, مهشید, نژاد ستاری, طاهر,

Background and Aim: The petroleum contamination is one of the inevitable consequences of population increase and energy consumption. In this study, the method of Bioremediation and Bacillus bacteria have been used in order to remove the petroleum contamination. Material and Methods: The samples of soil were collected and the bacteria were isolated and identified.Then, the production of Biosu...

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