نتایج جستجو برای: chemical treatment

تعداد نتایج: 1726903  

Journal: :iranian journal of basic medical sciences 0
hamid reza bidkhori department of biology, faculty of sciences, ferdowsi university of mashhad, mashhad, iran stem cells and regenerative medicine research department, acecr-khorasan razavi branch, mashhad, iran naghmeh ahmadiankia shahroud university of medical sciences, shahroud, iran maryam moghaddam matin department of biology, faculty of sciences, ferdowsi university of mashhad, mashhad, iran stem cells and regenerative medicine research department, acecr-khorasan razavi branch, mashhad, iran asieh heirani tabasi department of biology, faculty of sciences, ferdowsi university of mashhad, mashhad, iran

objective(s):the limited homing potential of bone-marrow-derived mesenchymal stem cells (bm-msc) is the key obstacle in msc-based therapy. it is believed that chemokines and chemokine receptor interactions play key roles in cellular processes associated with migration. meanwhile, mscs express a low level of distinct chemokine receptors and they even lose these receptors on their surface after a...

Journal: :مجله انسان، محیط زیست و ارتقاء سلامت 0
ali assadi department of environmental health engineering, zanjan university of medical sciences, p.o. box 4515713656, zanjan, iran armita soudavari department of environmental health engineering, zanjan university of medical sciences, p.o. box 4515713656, zanjan, iran mehran mohammadian department of environmental health engineering, zanjan university of medical sciences, p.o. box 4515713656, zanjan, iran

background; conventional chemical coagulation is considered as the old method to color and cod removal in textile effluent. electrocoagulation (ec) process is a robust method to achieve maximum removal. methods; this work was designed to compare the result of operational parameters including optimum ph and coagulant concentration for chemical coagulation with ferric chloride and alum. also, the...

Journal: :jundishapur journal of health sciences 0
mansooreh dehghani department of environmental health engineering, school of health, shiraz university of medical sciences, shiraz, ir iran; department of environmental health engineering, school of health, shiraz university of medical sciences, shiraz, ir iran. tel: +98-9171184449, fax: +98-7117260225 mohammad rezaei shiraz municipality of solid waste recycling organization, shiraz, ir iran narges shamsedini student research committee, shiraz university of medical sciences, shiraz, ir iran hoshang maleknia student research committee, shiraz university of medical sciences, shiraz, ir iran mohammad reza javaheri student research committee, shiraz university of medical sciences, shiraz, ir iran

background low-cost anaerobic sequencing batch reactor (asbr), which is widely used for controlling high-organic wastewater, is an effective method to remove chemical oxygen demand (cod). objectives the main objectives was evaluating the feasibility of using asbr in the treatment of synthetic dairy wastewater, determining its removal efficiency, and assessing the effect of temperature on operat...

Journal: :jundishapur journal of health sciences 0
mina hormozi nejad department of environmental health engineering, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran afshin takdastan nematollah jaafarzadeh haghighifard department of environmental health engineering and environmental tecnology research center, school of health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

phosphorus is an important nutrient for plant and microorganisms growth, thus has an important role in creating eutrophication of surface waters. the present study has investigated poly aluminum chloride efficiency on orthophosphate removal by coagulation and chemical precipitation process in municipal wastewater in west wastewater treatment plant. this bench scale study was performed on influe...

Journal: :iranian journal of public health 0
f. vaezi r. nabizadeh n.a. alavi

chemical oxidation is one of the most suitable treatment methods for reducing organic pollutants and the number of pathogens remaining in secondary effluents. ozone is the most powerful oxidizing agent commonly used because of it's many advantages over chlorination. in this study the efficiency of ozonation in advanced wastewater treatment of sahebgharanieh plant has been determined. ozone gene...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1392

critical thinking ability has an important role in education. accordingly, scholars around the world are searching for new ways for teaching and improving students critical thinking ability. in line with the studies in efl contexts supporting the positive relationship between critical thinking and writing performances, this study investigated the differential effects of halverson’s critical thi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه کاشان - دانشکده ادبیات و زبانهای خارجی 1392

abstract this study aimed at investigating the possible relationship between self-assessment in writing and self-regulation of iranian efl learners. the main purpose of the study was not only to report and inform about this relationship, but also to investigate and find practical outcomes of the incorporation of self-assessment in writing, such as improving writing skill. the research was carr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1394

with the increasing population and the need for more food, as well as with the development of science and technology, human approach to unnatural and often chemical inputs to increase agricultural production has been a great expansion and problems such as increased cancers, chronic diseases has created environmental pollution. implementation of organic organic is a solution to these problems . ...

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