نتایج جستجو برای: fauna and flora had been changed during ca 12800

تعداد نتایج: 17094671  

Journal: :Annals of the ICRP 2015
D Telleria T Cabianca G Proehl V Kliaus J Brown C Bossio J Van der Wolf I Bonchuk M Nilsen

The International Commission on Radiological Protection (ICRP) recently reinforced the international system of radiological protection, initially focused on humans, by identifying principles of environmental protection and proposing a framework for assessing impacts of ionising radiation on non-human species, based on a reference flora and fauna approach. For this purpose, ICRP developed dosime...

2012
Megan Revitt Dale Sanders

Concern for the conservation of flora and fauna in natural areas and the potential impacts of human activity, recreation and tourism has become a high priority. Combining appropriate ecotourism activity with conservation guidelines is the main focus of this concern. These issues are of great importance to the crayfishing community of Lancelin, who are concerned about the future of their small o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده ادبیات و علوم انسانی 1389

abstract this research has been carried out with the purpose of investigating the conditions and related elements of the employment of the educational sciences graduates of hamedan province universities in 1382-1387 academic years. it has been a descriptive research of a correlation kind, and the population number has been 1180 grduates of payam- e noor universites in asad – abaad, kaboudaraha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

in this study, scour of mashkid bridge pier located in mashkid river of saravan county has been studied and to measure the scour rate, the numerical model hec-ras 4.0 has been used. upon selection of mashkid river as the case study and whereas the studied zone is important with respect to the climatic conditions and showery monsoon raining and flowing the great and destructive floodwaters, ther...

2008
Abesalom Vekua David Lordkipanidze

At the end of the Middle Miocene the Caucasus represented a land forepart, the geographic position of which induced the development of peculiar flora and fauna in Eastern Georgia. On the territory of Eastern Georgia several reference fossil vertebrate sites are discovered, among them its worth mentioning Udabno (Maeotian), Dzedzvtakhevi (Maeotian), Iaghludja (Sarmatian-Maeotian), Kvabebi (Akcha...

B. Jalali, F. Imanzadeh, Sh. Shamsi,

Result obtained during ten years research work (1990-2000) on distribution of monogenean fauna Iranian fishes indicates that its composition of monogenean fauna of Iranian fishes depends on their habit and since Iran includes three different zoogeographical zones with highly endemic fish hosts, its monogenean parasites have specific composition. The Caspian fauna is characterized by relatively ...

Journal: :journal of crop protection 2015
mojtaba rahmati katayoon kheradmand sadegh jafari mohammad bagheri

a faunestic study on stigmaeidae and cryptognathidae families in lorestan province was carried out during 2012-2013. in this study 18 species were collected and identified, of which favognathus amygdalus and f. cordylus (cryptognathidae) were new records for iranian fauna, also all of the collected species in this study were new records for fauna of lorestan province. stigmaeidae with 14 specie...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم کشاورزی و منابع طبیعی گرگان - دانشکده کشاورزی 1391

چکیده مورچه‏ها با حمایت از شپشک‏ها در مقابل دشمنان طبیعی، می‏توانند برنامه‏های کنترل بیولوژیک آن‏ها را مختل ‏نمایند. طی سال‏های 1389 و 1390 با نمونه‏برداری از باغات مرکبات شهرستان‏های ساری و بهشهر، فون و فراوانی نسبی مورچه‏هایِ همراه با شپشک‏ها مورد مطالعه قرار گرفت. همچنین، تاثیر تراکم‏های مختلف کاست کارگر گونه‏ی santschi lasius turcicus بر میزان تغذیه و فراسنجه‏های واکنش تابعی حشرات ماده و لا...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

we have two part in this thesis, at first: the interaction of native calf thymus dna (ct-dna) with two anthraquinones including quinizarin (1,4- dihydroxy anthraquinone) and danthron (1,8- dihydroxy anthraquinone) in a mixture of 0.04 m brittone-robinson buffer and 50% of ethanol were studied at physiological ph by uv-vis absorption, florescence, circular dichroism spectroscopic methods, viscos...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد مرودشت - دانشکده علوم تربیتی و روانشناسی 1392

the purpose of this study was to investigate the relationship between family functioning and marital adjustment humor couples are due to the nature and objectives of the research and application of methods for its implementation correlation was used. the study population consisted of all the couples in the city who uses random cluster sampling of 200 students were selected as sample. data from ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید