نتایج جستجو برای: wolf conflicts journal of natural environment
تعداد نتایج: 21240324 فیلتر نتایج به سال:
food safety is considered as an important world concern. the detection of pathogen and toxic materials in food has an important role in public health care. in recent years, the applications of microbial biosensor have been developed as a new approach for toxicity control. luminescent microbial biosensor is an appropriate biological tool for protection of natural environment. this type of biosen...
از فرآیند گرمای القائی در تکنولوژی و صنعت در موارد زیادی مانند جوش فلزات، بازپخت، متالورژی ]1[ رشد بلور ]4-2[، و ... استفاده می شود. در این روش ماده فلزی مورد نظر (قطعه کار مانند بوته)، داخل یک پیچه ی القائی قرار می گیرد. سپس با ایجاد یک جریان الکتریکی متناوب فرکانس بالا درپیچه (جریان رانشی)، میدان های الکتریکی و مغناطیسی متناوبی در اطراف پیچه ایجاد می شوند. با نفوذ این میدان ها در ماده فلزی مو...
In this note a simple cowboy wannabe is expressing his sincere but insufficientgratitude towards some of the people who has made his studies possible and fun.However, I have had so much help from so many people it would be impossible tothank them all in this thesis. Thus it is only the top of the ice berg that is properlyacknowledged on the following pages. For example many of m...
مقدمه:امروزه تعدد و کیفیت نامعلوم مجلات حیطههای مختلف علوم پزشکی، پژوهشگران را در انتخاب مجله مناسب برای انتشار نتایج تحقیقات علمی سردرگم کرده است. شاید معیارهای سنجش کیفیت مجلات بتوانند این مشکل را تا حدودی حل کنند؛ لذا مطالعه حاضر با هدف بررسی کیفیت مجلات حوزه زنان و مامایی بر اساس شاخصهای رتبهبندی مجلات در پایگاههای اطلاعاتی معتبر انجام شد. روش کار: این مطالعه به صورت توصیفی تحلیلی و به...
introduction: today, huge quantity of medical journals with indescribable quality, have confused health researchers while choosing a suitable journal to publish their scientific results. it seems that quality measuring criteria of journals could have solved this problem to some extent. in this study, we studied quality of journals of obstetrics and gynecology field indexed in the valid database...
The wolf Canis lupus, the most widespread of the four species of large carnivores in Europe, after centuries of population decline and eradication, is now recovering in many countries. Wolves contribute to regulating prey-predator dynamics and interact with human activities, mainly livestock farming and ungulate hunting. Although wolves are protected in most European countries, illegal or incid...
abstract according to increase in electricity consumption in one hand and power systemsreliability importance in another , fault location detection techniqueshave beenrecentlytaken to consideration. an algorithm based on collected data from both transmission line endsproposed in this thesis. in order to reducecapacitance effects of transmission line, distributed parametersof transmission line...
nowadays,tourism industry considered as one of the main sources of income of a country.unfortunately and despite of owning plenty of cultural historical and natural attractions, iran has not reached to a proper position in this field. besides, the historical cities of a country are considered as the income resource and national wealth of it. qazvin with a rich cultural precedent, have suitable ...
Background and Objective: Conflicts among health care personnel including nursing personnel who require extensive interaction with different people, is common and almost inevitable. As there is not sufficient information about the causes, types, and dimensions of interpersonal conflicts among clinical nurses and the adverse effects of these conflicts on the function of nursing team in Iran, we ...
abstractof two mcall programs introducing 100 vocabulary items through two im the researcher of the present study was intrigued to compare the effects age modalities (pictures and streaming video) with those of a conventional method (teacher instruction) in an efl context. she set out to investigate whether such multimedia environments could provide a more effective environment for vocabulary...
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