نتایج جستجو برای: burst
تعداد نتایج: 28564 فیلتر نتایج به سال:
Among the various blast load equations, the Kingery-Bulmash equation is applicable to both a free-air burst and a surface burst that enables calculations of the parameters of a pressure-time history curve. On the other hand, this equation is quite complicated. This paper proposes a modified equation that may replace the conventional Kingery-Bulmash equation. The proposed modified equation, whic...
We propose new burst assembly techniques that aim at reducing the average delay experienced by the packets during the burstification process in optical burst switched (OBS) networks, for a given average size of the bursts produced. These techniques use a linear prediction filter to estimate the number of packet arrivals at the ingress node in the following interval, and launch a new burst into ...
Low threshold Ca2+ currents mediated by T-type channels underlie burst spike activities of relay neurons in the thalamus. We have previously reported that knock-out mice for T-type channels show an enhanced nociceptive response to visceral pain, accompanied by an increase in tonic spikes in the absence of burst spikes in thalamic relay neurons. These results raised a possibility that T-type cha...
Background: Echinacea purpurea has long been used in folk medicine to prevent and treat a wide range of diseases like common cold, simple cough, pulmonary infections, dermatologic disorder and even chronic diseases due to immunodeficiency. This study was conducted to check the immunomodulatory properties of hydroalcoholic extract of Echinacea purpurea in NMRI-mice challenged with Sheep Red Bl...
Background: Despite major diagnostic and industrial progresses in the technology and use of Ionizing radiations, they have been found to be harmful to the health of the radiology and nuclear medicine staffs. Since Ionizing radiations have the potential to produce free radicals, therefore, it is likely that the total plasma level of anti-oxidant in medical and nuclear medicine staffs could be re...
External recording and stimulation, techniques were used to determine which neurons and interactions are essential for production of the periodic burst discharge in the lobster cardiac ganglion. Burst activity can be modulated by brief single shocks applied to the four small cells, but not by similar stimulation of the five large cells, suggesting that normally one or more small cells primarily...
An oxidative burst in free-living and symbiotic dinoflagellates induced by physical stress is defined and characterized. The oxidative burst occurred within 1 min of physical injury caused by short pulses of low frequency sonic sound (20 kHz, 10 s pulses). The quantities of reactive oxygen species were measured using a spectrofluorometric assay and standardized to hydrogen peroxide. Using pharm...
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