نتایج جستجو برای: reversible reduction
تعداد نتایج: 540950 فیلتر نتایج به سال:
BACKGROUND Dipyridamole and adenosine cause frequent side effects as a result of nonspecific adenosine receptor stimulation. Selective agonism of the adenosine A2A receptor should result in a similar degree of coronary vasodilation (and thus similar perfusion images) with fewer side effects. METHODS AND RESULTS In a multicenter, randomized, single-blind, 2-arm crossover trial, 240 patients un...
Stumpe, Thomas, and Jürgen Schrader. Short-term hibernation in adult cardiomyocytes is PO2 dependent and Ca mediated. Am J Physiol Heart Circ Physiol 280: H42–H50, 2001.—The mechanism of myocardial hibernation, the reversible downregulation of contractile activity on reduction of coronary flow with unchanged cardiac energetics, is presently not understood. The oxygen consumption (V̇O2), shorteni...
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Reversibility is a widely accepted principle in physics, according to which, the microscopic laws governing the dynamics of the physical nature can hypothetically be reversed to let the system run backward in time. Reversible cellular automata (CA) have been extensively studied as convenient tools for modeling physical systems, whenever capturing the microscopic reversibility is desirable (see ...
We study harmonic functions on random environments with particular emphasis on the case of the infinite cluster of supercritical percolation on Z. We prove that the vector space of harmonic functions growing at most linearly is (d+ 1)-dimensional almost surely. Further, there are no nonconstant sublinear harmonic functions (thus implying the uniqueness of the corrector). A main ingredient of th...
Many universal reversible libraries that contain more than one gate type have been proposed in the literature. Practical implementation of reversible circuits is much easier if a single gate type is used in the circuit construction. This paper proposes a reversible n-bit gate that is universal for reversible circuits synthesis. The proposed gate is extendable according to the size of the circui...
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