نتایج جستجو برای: electric shock
تعداد نتایج: 244694 فیلتر نتایج به سال:
Anisotropic distributions of charged particles including two-stream distributions give rise to generation of either stochastic electric fields (in the form of Langmuir waves, Buneman instability) or random quasi-static magnetic fields (Weibel and filamentation instabilities) or both. These two-stream instabilities are known to play a key role in collisionless shock formation, shock-shock intera...
Development of ST Elevation Myocardial Infarction and Atrial Fibrillation after an Electrical Injury
Electrical energy is a type of energy that is commonly used in daily life. Ventricular premature beats, ventricular tachycardia, ventricular fibrillation, atrial tachycardia, atrial fibrillation, bundle branch blocks, and AV block are arrhythmic complications that are encountered in case of electric shocks. Myocardial infarction is one of the rarely seen complications of electric shocks yet it ...
The concept of the de Hoffmann–Teller frame is revisited for a high Mach-number quasi-perpendicular collisionless shock wave. Particle-in-cell simulation shows that the local magnetic field oscillations in the shock layer introduce a residual motional electric field in the de Hoffmann– Teller frame, which is misleading in that one may interpret that electrons were not accelerated but decelerate...
Background. Fracture resulting from household electric shock is uncommon. When it occurs, it is usually the result of a fall; however, electricity itself can cause sufficient tetany to produce a fracture. We present the case of bilateral fractures of the distal radii of a 12-year-old boy which were sustained after accidental shock. The literature regarding fractures after domestic electric shoc...
Hungry fruit flies can be trained by exposing them to two chemical odorants, one paired with the opportunity to feed on 1 M sucrose. On later testing, when given a choice between odorants the flies migrate specifically toward the sucrose-paired odor. This appetitively reinforced learning by the flies is similar in strength and character to previously demonstrated negatively reinforced learning,...
This research was aimed at discovering the serological and histological changes in cardiac and hepatic tissue after electric shock. The CK-MB, ALT, and AMS indexes were tested with serological methods. Moreover, the Bcl-2, Bax, and Hsp-60 expression levels were carefully measured. An electrical injury model was established by giving rats electric shocks at 110 V with alternating electric curren...
There is strong experimental evidence for the existence of strange modes of failure of MEMS devices under shock. Such failures have not been explained with conventional models of MEMS. These failures are characterized by overlaps between moving microstructures and stationary electrodes, which cause electrical shorts. This work presents a model and simulation of MEMS devices under the combinatio...
This report describes the effective treatment of self-injurious behavior (SIB) using contingent electric shock in an adolescent. Data are presented to document the initial dramatic reduction in SIB and the ongoing effectiveness of the treatment over a 5-year period. Positive side effects of the intervention are documented, as is information on the interaction of a medical condition (e.g., ear i...
Introduction: Posttraumatic stress disorder is a severe anxiety disorder caused by exposure to traumatic events. The aim of this study was to induce PTSD in rats and examine the effect of WIN55-212-2, a cannabinoid receptor agonist, on anxiety. Methods: SPS&S model was used to induce PTSD in 56 male Wistar rats. Rats were restrained for 2 h, immediately followed by forced swimming for 20 mi...
Introduction: This study investigates the effects of cannabinoid agonist WIN55-212-2 on acquisition and consolidation phases of the fear memory extinction and also on anxiety and motor activity. Methods: In this study, we used SPS & S model to induce post-traumatic stress disorder. One week after SPS, to establish a conditioned fear memory, rats received an electric foot shock within shock cha...
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