منابع مشابه
A Security Effective Structure for National Defense in the 21st Century
In accordance with human necessities and deep attention into security, research studies have today became an irrefutable necessity in this area. It is noted that traditional concepts of this important issue have changed, as a result of occurring various events in the past, particularly in the 20th century; so that security is no more limited to protecting human beings against individual and col...
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Medical education play an important role in health of people in 20st-century, but this system has to change overtime. Medical education must respond to not only the demand of community at larg but also to changing in new technologies. Medical education have been criticized in last two decades of 20st-century, because of producing too many specialists focus on treatment instead of health, insuf...
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امنیت انرژی به معنی عرضه مداوم و پایدار همراه با قیمت های معقول در حامل های انرژی، که تهدیدات امنیتی، سیاسی، اقتصادی، محیط زیستی و روانی را کاهش دهد. امروزه نفت و گاز تنها، کالای تجاری نیست بلکه بعنوان ابزار سیاسی مورد استفاده قرار می گیرد.اختلاف میان روسیه و اکراین بر سر انرژی در ژانویه 2006، تهدیدی برای امنیت انرژی اروپا ایجاد کرد. در این تحقیق ما تلاش کردیم که نقش انرژی آسیای میانه و قفقاز ر...
15 صفحه اولRetooling Social Security for the 21st century.
Because of the imbalance between promised benefits and available taxes, some reform of Social Security is inevitable. At the same time, perceptions of Social Security are changing rapidly as it moves away from a system where all recipients--whether rich or poor--received more in benefits than they paid in taxes, and where those who were richer consistently received larger net transfers than tho...
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ژورنال
عنوان ژورنال: Journal of the Atomic Energy Society of Japan
سال: 2012
ISSN: 1882-2606,2433-7285
DOI: 10.3327/jaesjb.54.7_463