نتایج جستجو برای: physical processes

تعداد نتایج: 1147312  

Journal: :Problems of Gathering, Treatment and Transportation of Oil and Oil Products 2018

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2010
farahnaz eghbali mohammad reza ehsani

sulfur emission from coal combustion presents many environmental problems. the techniques used to reduce the amount of sulfur in coal before combustion, include physical, chemical and biological processes.biological processes based on degradation of sulfur compounds by microorganisms offer many advantages over the conventional physical and chemical processes. the processes are performed under m...

Journal: :Coastal Engineering Proceedings 1972

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی 1391

in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...

Journal: :Symposium - International Astronomical Union 2004

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