منابع مشابه
Statement on gene drives
Gene drives make it possible, for the first time, to spread genetic changes in large populations of wild plants and animals, and thus override nature’s evolutionary constraints. Scientists are now working to develop gene drives to prevent the spread of malaria by eradicating mosquito species that carry the parasite, and to preserve endangered species, amongst other things. The technology challe...
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We rephrase the derivation of black hole radiation so as to take into account, at the level of transition amplitudes, the change of the geometry induced by the emission process. This enlarged description reveals that the dynamical variables which govern the emission are the horizon area and its conjugate time variable. Their conjugation is established through the boundary term at the horizon wh...
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قاعده مقتضی و مانع در متون فقهی کم و بیش مستند احکام قرار گرفته و مورد مناقشه فقهاء و اصولیین می باشد و مشهور معتقند مقتضی و مانع، قاعده نیست بلکه یکی از مسائل ذیل استصحاب است لذا نگارنده بر آن شد تا پیرامون این قاعده پژوهش جامعی انجام دهد. به عقیده ما مقتضی دارای حیثیت مستقلی است و هر گاه می گوییم مقتضی احراز شد یعنی با ماهیت مستقل خودش محرز گشته و قطعا اقتضاء خود را خواهد داشت مانند نکاح که ...
15 صفحه اولOn the Horizon
56 COPUBLISHED BY THE IEEE COMPUTER AND RELIABILITY SOCIETIES ■ 1540-7993/09/$26.00 © 2009 IEEE ■ SEPTEMBER/OCTOBER 2009 Moreover, these online identity systems could provide greater protections for security and privacy than we currently achieve when using documents to prove identity in the physical world. As I mentioned earlier, online identity management systems are important if we’re to addr...
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Page 1 of 7 To say that information visualization is still a young and evolving fi eld is a considerable understatement. We are still only scratching the surface of its potential. As the science on which it is built continues to yield new insights and an increasing number of talented and innovative people apply these insights in search of new solutions, we can expect eye-opening progress in the...
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ژورنال
عنوان ژورنال: Applied Biosafety
سال: 2016
ISSN: 1535-6760,2470-1246
DOI: 10.1177/1535676016672631