منابع مشابه
How to say yes, no and maybe with visual cryptography
We present a version of a visual cryptography scheme in which a qualified set of participants is able to block the reconstruction of the secret.
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In 1980 Furchgott and Zawadzki published their observation on how removal of the endothelium abolishes acetylcholine-induced relaxation of vascular smooth muscle cells, which ignited a passionate search for an endothelium-derived vasorelaxing factor. Yet who would have thought in the beginning that the search was for a gas! Seven years later, Ignarro and co-workers identified nitric oxide (NO) ...
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Most adults firmly believe that as kids reach their teens, as they become adolescents, they start to take crazy risks that get them in trouble. And there may be good reason for adults to believe this: although 16 year olds are bigger, stronger, and better educated than 12 year olds (or at least they have gone to 4 more years of school), they get hurt and killed almost twice as often [1]. So why...
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AUTOREGULATION is defined as the capacity of an organ or tissue to maintain a constant blood flow in the face of a change in perfusion pressure, while metabolism is unchanged. Under normal physiological conditions, large proximal arteries contribute little to the total resistance of a particular vascular bed. However, when atherosclerosis causes a conductance artery to narrow so that over 70% o...
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ژورنال
عنوان ژورنال: The Journal of Thoracic and Cardiovascular Surgery
سال: 2021
ISSN: 0022-5223
DOI: 10.1016/j.jtcvs.2020.12.061