نتایج جستجو برای: in many countries

تعداد نتایج: 17019908  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

به طور کلی در فرآیندهای مارکوف ارگودیک دو بعدی یافتن فرم بسته توزیع ایستا، تنها برای حالات خیلی خاص امکان پذیر است. با توجه به این مشکل و نیز با توجه به اهمیت توزیع ایستا، بررسی و مطالعه رفتار مجانبی توزیع ایستای این فرآیندها مورد توجه قرار گرفته است. زنجیر قدم زدن تصادفی دو بعدی که در برخی متون به آن، فرآیند qbd دو طرفه نیز می گویند، یکی از این فرآیندها است. یک فرآیند qbd زمان گسسته یک زنجیر م...

Journal: :فصلنامه رفاه اجتماعی 0
مهدی تقوی mehdi taghavi

globalization effects on social security systems and on social expenditures in different countries will be analyzed in this chapter. our consentration is yet on anglo-saxon countries . but it is assumed that many offer countries are under the same pressure of globalization on their social security expenses as the anglo-saxon countries . this will be examined later in another chapter. in previou...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1390

دانشگاه یزد دانشکده علوم اجتماعی گروه جامعه شناسی پایان نامه جهت اخذ درجه کارشناسی ارشد جامعه شناسی بررسی عوامل موثر برمصرف گرایی در میان زنان شهر یزد استاد راهنما: دکتر مسعود حاجی زاده میمندی استاد مشاور: دکتر اکبر زارع شاه آبادی پژوهش ونگارش:فریدون یوسفی شهریورماه 1390 تقدیم به : روح پدر ومادر زحمتکش ومهربانم که میدانم همیشه وهمه جا دعای خیرشان روشنی بخش جاده های...

Journal: :محیط شناسی 0
الهه کولایی استاد گروه مطالعات منطقه ای دانشگاه تهران مهدی شایسته دانشجوی دکتری علوم سیاسی واحد علوم و تحقیقات

introduction a considerable percentage of the world’s population is living in the coastal areas. thus, there are many different kinds of problems in these regions. because of the large amount of the people in these areas, their ecosystems are confronted with huge and serious problems. there are different types of arrangements for preventing destruction of ecosystems around the seas. unified man...

Azami-Aghdash, Saber, Doshmangir , Leila , Doshmangir , Parinaz , Kalankesh , Leyla , Khodayari-Zarnaq , Rahim , Mahbub Ahari , Alirez , Mobasseri , Khorshid , Qolipour , Kamal ,

The spread of the new Corona virus, known as COVID-19, has raised concerns and problems for many countries, and its out-of-China exposure is worryingly increasing. This trend is increasing in our country as well and has reached a critical point in some of the infected cities. This article attempts to provide appropriate strategies for controlling the virus for Iran based on the East Asia countr...

Journal: Journal of Herbal Drugs 2011
Abotaleb Kosha Maryam Ahmadi,

Over the past two decades, the role of intellectual property rights in all areas of science and technology has exploded globally– primarily due to the rules prescribed by the World Trade Organization’s TRIPS and by bilateral/regional trade agreements. The TRIPS agreement obligates all WTO member countries to adopt and enforce minimum standards of intellectual property rights. The TRIPS agreemen...

Journal: :مجله علوم اعصاب شفای خاتم 0
mohammad tezval department of trauma and reconstructive surgery, university hospital goettingen, germany.

management of traumatized patients after road accidents is in many countries still a serious challenge. apart from technical problems in management of car accidents, the recovery and rescue of the patients and their transport to hospital need exact planning and efficient strategy. present lecture compares the trauma management in an industrial country like germany with this in iran. present wor...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده ریاضی 1390

abstract: in the paper of black and scholes (1973) a closed form solution for the price of a european option is derived . as extension to the black and scholes model with constant volatility, option pricing model with time varying volatility have been suggested within the frame work of generalized autoregressive conditional heteroskedasticity (garch) . these processes can explain a number of em...

Growth and development of knowledge-based economy is the desired objective for many economies and accomplishing this purpose requires the accurate and comprehensive understanding of the variables involved in this process. The knowledge generated by innovation and technological developments has driven long-term economic development in many countries and many governments have achieved considerabl...

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