نتایج جستجو برای: wave action
تعداد نتایج: 817429 فیلتر نتایج به سال:
based on a meta-theoretical analysis of voting, the present paper is an attempt to present a theoretical model encompassing all the possible aspects of voting in an election action system, proposing four sub-systems of voting as follows: economic voting, political voting, cultural voting and moral voting. having distinguished among these sub-systems, the writer describes the constitutive elemen...
BACKGROUND Ventricular fibrillation (VF) is maintained by 2 mechanisms: first by reentry formation and second by spontaneous wave break or wave splitting. We hypothesized that spontaneous wave break results from a critical shortening of the action potential duration (APD) during VF and that its prevention by procainamide eliminates spontaneous wave break. METHODS AND RESULTS The endocardial s...
The Evans wave equation is derived from the appropriate Lagrangian and action, identifying the origin of the Planck constant ~ in general relativity. The classical Fermat principle of least time, and the classical Hamilton principle of least action, are expressed in terms of a tetrad multiplied by a phase factor exp(iS/~), where S is the action in general relativity. Wave (or quantum) mechanics...
Funding for this project was provided by the National Key Research and Development Project, MOST, China (2018YFC0407506), Natural Science Foundation of (51620105005), Postdoctoral (2020M680580). D. M. Paterson acknowledges NERC funding (NE/N016009/1).
Epicardial activation and repolarisation sequences were investigated in patients with upright or inverted T waves in left ventricular leads of the surface electrocardiogram. Fifteen patients were studied: 10 were undergoing coronary artery bypass grafting (upright T waves) and five aortic valve replacement (four patients with T inversion). Monophasic action potentials were recorded intraoperati...
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