نتایج جستجو برای: marine environment of the caspian sea

تعداد نتایج: 22829776  

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

abstract reception environment has considerable effects on accepting a translation. as the expectations of a target culture and its values and needs change throughout history, its criteria for accepting a translation or rejecting it will change accordingly (gentzler, 2001). the expectations of iran, as the reception environment in the present study, have changed after the islamic revolution. i...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1391

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...

2009
Elena Kvitsinskaia

* The author is employed at the United Nations Environment Programme’s Regional Office for Europe. The paper is presented by the author in her personal capacity, however, and opinions expressed in this paper should be attributed to the author. They are not meant to represent the positions or opinions of UNEP or the State Parties to the Framework Convention on the Protection of the Marine Enviro...

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

wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...

Journal: :محیط شناسی 0
ناصر حاجی زاده ذاکر استادیار مهندسی محیط زیست دانشکدة محیط زیست دانشگاه تهران، همکار علمی مرکز ملی اقیانوس شناسی پیمان اقتصادی عراقی استادیار مرکز ملی اقیانوس شناسی

marine environment of the caspian sea, due to extensive human exploitation and discharge of large magnitudes of urban, industrial and agricultural waste, is under extensive pressure and human wastes threaten marine life and ecosystem of the sea. therefore, there is a substantial need for a good understanding of physical and chemical characteristics of the caspian waters. however, the data avail...

Mazaheri, Said, Mirkhalili, Seyed Hamzeh,

Because of environmental sensitivity of the Caspian Sea, any subsea oil spills and blowouts can inflict destructive impacts on marine environment and cause catastrophic damage in the area. Employing mathematical simulation is one of the easiest and most effective prediction tools for understanding the oil spill behavior under various environmental forces. In this regard, Mike3D simulation packa...

Journal: :international journal of molecular and cellular medicine 0
mojtaba mohseni department of molecular and cellular biology, university of mazandaran, babolsar, iran.سازمان اصلی تایید شده: دانشگاه مازندران (mazandaran university) hamed norouzi department of molecular and cellular biology, university of mazandaran, babolsar, iran.سازمان اصلی تایید شده: دانشگاه مازندران (mazandaran university) javad hamedi department of microbiology, university of tehran, tehran, iran.سازمان اصلی تایید شده: دانشگاه تهران (tehran university) aboulghasem roohi caspian sea ecology research institute, sari, iran.

actinomycetes are interesting as a main producer of secondary metabolites and industrial antibiotics from marine environments. a total of 44 strains of actinomycetes were isolated from caspian sea sediments at a depth of 5-10 m. preliminary screening was done using cross-streak method against 2 gram-positive and 4 gram-negative pathogen bacteria. the most potent strains mn2, mn3, mn38, mn39, mn...

Journal: :caspian journal of environmental sciences 2010
a. nasrollahzadeh

caspian sea is the largest enclosed body of water on the earth. since the collapse of soviet union in 1991 and discovering large oil and gas fields, some issues such as political, economic and environmental events, made the caspian sea important. the ecology of the sea are being endangered due to several issues such as petroleum extraction, river and sea pollutions, water level rise, biological...

Journal: :iranian journal of ichthyology 0
hamid reza esmaeili department of biology, college of sciences, shiraz university, shiraz, iran. brian w coad canadian museum of nature, ottawa, ontario, k1p 6p4 canada. hamid reza mehraban ichthyology research laboratory, department of biology, college of sciences, shiraz university, shiraz, iran. mojtaba masoudi ichthyology research laboratory, department of biology, college of sciences, shiraz university, shiraz, iran. roozbehan khaefi ichthyology research laboratory, department of biology, college of sciences, shiraz university, shiraz, iran. keyvan abbasi aquatic ecology department of the inland water aquaculture research center, p.o. box 66, bandar anzali, iran.

although the southern caspian sea basin (scsb) fish fauna has been studied for more than 200 years, new species continue to be discovered, reported and renamed. here we take the opportunity to provide a new and updated checklist of the fishes of the southern caspian sea basin. the list is based on historical literature records and taxon occurrence data obtained from natural history collections ...

Journal: :journal of the persian gulf marine sciences 0
seyed hamzeh mirkhalili iranian national institute for oceanography and atmospheric science, tehran, ir. iran said mazaheri iranian national institute for oceanography and atmospheric science, tehran, ir. iran

because of environmental sensitivity of the caspian sea, any subsea oil spills and blowouts can inflict destructive impacts on marine environment and cause catastrophic damage in the area. employing mathematical simulation is one of the easiest and most effective prediction tools for understanding the oil spill behavior under various environmental forces. in this regard, mike3d simulation packa...

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