منابع مشابه
Is it easy to stop RNA polymerase?
Among transcription factors that bind to bacterial RNA polymerase (RNAP) and modulate its activity, a number of small molecules irreversibly inhibit RNAP thereby causing cell death. To be of clinical significance such inhibitors must (1) inhibit a broad range of bacterial RNAPs but not affect human cells, (2) penetrate bacterial cell walls and (3) circumvent bacterial resistance mechanisms. Rif...
متن کاملSatis ability for ATPG : Is it easy ?
It has been observed that SAT formulae derived from ATPG problems are eeciently solvable in practise. This seems counter-intuitive since SAT is known to be NP ? Complete. This work seeks to explain this paradox. We identify a certain property of circuits which facilitates eecient solution of ATPG-SAT instances arising from them. In addition, we provide both theoretical proofs and empirical evid...
متن کاملAccessing Libraries as Easy as a Game
One main idea when developing user interfaces for digital and hybrid libraries is to make use of real-world metaphors. This gives library customers the advantage to access digital collections the same way as they would traditional collections. However, while existing “real world” library interfaces still miss the attraction of the wider public, game industry is very successful selling virtual r...
متن کاملDetecting negation scope is easy, except when it isn't
Several corpora have been annotated with negation scope—the set of words whose meaning is negated by a cue like the word “not”—leading to the development of classifiers that detect negation scope with high accuracy. We show that for nearly all of these corpora, this high accuracy can be attributed to a single fact: they frequently annotate negation scope as a single span of text delimited by pu...
متن کامل"Quitting smoking is easy. I've done it a thousand times".
this comment on the lighter side. However, it aptly describes the serious situation that majority of 1.3 billion current smokers are facing. One in every two of these smokers will succumb to tobacco related causes.1,2 The economic toll is equally colossal; estimates for next year are marked at half a trillion dollars.1 Complete cessation is the only way to abate these afflictions in the shortan...
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ژورنال
عنوان ژورنال: BMJ
سال: 1996
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.312.7036.978