منابع مشابه
a study on construction of iranian life tables: the case study of modified brass logit system
چکیده ندارد.
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In reliability theory, some measures are introduced , called importance measures, to evaluate the relative importance of individual components or groups of components in a system. Importance measures are quantitive criteria that ranke the components according to their importance. In the literature, different importance measures are presented based on different scenarios. These measures can b...
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The conceptual design of the vacuum system for the upgrade project of SPEAR3 is reviewed. The majority of the vacuum system components, except for insertion devices, will be replaced with components capable of 500 mA operation at 3 GeV. General requirements and overall layout of the vacuum system are discussed. Diagnostic chambers and speciality components are briefly discussed.
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: SHINKU
سال: 1977
ISSN: 0559-8516,1880-9413
DOI: 10.3131/jvsj.20.311