منابع مشابه
Controlling elements are wild cards in the epigenomic deck.
T he genomes of multicellular eukaryotes are loaded with retrotransposons, parasites that propagate by transcription of their genomes, reverse transcription, and insertion of a new copy into the host genome (1, 2). Waves of replication have formed families of mostly fragmentary or otherwise degenerate retroelements (1, 2). Epigenetic silencing suppresses retrotransposon activity, keeping them f...
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The use of an electronic smart card as an alternative means for users to access and pay for transport services is now emerging as a viable option for many operators. With the recent introduction of the Oyster smart card by Transport for London and the plans by a number of passenger transport executives and transport operators to launch smart-card ticketing, the UK is on the verge of an influx o...
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The remarkable ice storm that brought life to a standstill in most of Eastern Ontario and Quebec in January had a huge impact on medical services. Hospitals that lost power found themselves serving as shelters not only for patients but also for staff members and nearby residents. Doctors' offices were forced to close and a large number of operations were cancelled. The 2 articles that follow de...
متن کاملAn Exact Approach to Maximize the Number of Wild Cards in a Covering Array
Covering Arrays CA(N ; t, k, v) are combinatorial structures that can be used to define adequate test suites for software testing. The smaller a CA is, the smaller the number of test cases that will be given to test the functionality of a software component in order to identify possible failures. Due to the fact that the construction of CAs of optimal size is a highly combinatorial problem, sev...
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This paper explains how an attacker can efficiently factor 184 distinct RSA keys out of more than two million 1024-bit RSA keys downloaded from Taiwan’s national “Citizen Digital Certificate” database. These keys were generated by government-issued smart cards that have built-in hardware random-number generators and that are advertised as having passed FIPS 140-2 Level 2 certification. These 18...
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ژورنال
عنوان ژورنال: European Journal of Futures Research
سال: 2015
ISSN: 2195-4194,2195-2248
DOI: 10.1007/s40309-015-0066-9