نتایج جستجو برای: cooling on physiological
تعداد نتایج: 8535819 فیلتر نتایج به سال:
In this research, the effects of cooling rate and high energy electron beam irradiation on the change of crystallinity of polypropylene was investigated. For this work, samples of polypropylene heated to 230 ºC and then rapidly cooled with different speed of cooling. Crystalliny of samples were determined by differential scanning calorimetry and infrared spectroscopy. It was shown that percenta...
in this research multiple-regression analysis with stepwise selection method was employed for investigating the effectof vertical building envelopes solar radiation (evr) on cooling energy consumption (e cooling) in residential sector.the high capacity of solar energy in semi-arid climate (shiraz) can provide a part of buildings required energy. dependson house orientations in two directions of...
Disappointing results of pharmacological therapy in many patients with atrial fibrillation (AF) have motivated efforts to develop device therapy for this complex electrical disorder. Such devices have focused on mechanisms including ablation of tissue harboring triggers or substrates, mechanical devitalization of the left atrial appendage to provide antiarrhythmic as well as antithrombotic effe...
Three commercially available microclimate cooling systems were evaluated for their ability to reduce heat stress in men exercising in a hot environment while wearing high insulative, low permeability clothing. Five male volunteers performed three 180-min experiments (three repeats of 10 min rest, 50 min walking at 440 watts) in an environment of 38 degrees C dry bulb (Tdb), 12 degrees C dew poi...
different control strategies of bed temperature and moisture were investigated using various inlet air temperatures and air fluxes in both the ordinary packed bed bioreactor (without cooling water in the jacket) and the bioreactor with cooling water in jacket. the experiments were carried out within a 1-l solid-state packed bed bioreactor in which aspergillus niger was cultivated on wheat bran....
SATINOFF, EVELYN. Behavioral thermoregulation in response to local cooling of the rat brain. Am. J. Physiol. 206(6) : I 389-1394. 1 g64.-Local cooling of the anterior hypothalamic-preoptic area in rats, at environmental temperatures of 5 and 24 C, caused their rectal temperatures to increase as much as 3. I C, as well as vigorous shivering. When the animals were allowed to press a bar to turn o...
Reflex-mediated bronchoconstriction in cold climates may be more important than it has previously been thought. This issue has seldom been studied using physiological methods. We wanted to investigate, using physiological methods, what triggers the bronchoconstriction occurring at cold ambient temperature during resting nasal ventilation: cooling of the skin of the face or cooling of the nasal ...
As a common practice in urban landscape design, tree planting plays an important role improving the environment and microclimate. This study aimed to investigate thermal comfort effects provided by trees on surrounding environment. Using species Ficus altissima growing lower subtropical China, variation temperature, humidity, wind speed due canopy was summarized, intensity of transpiration cool...
basic understanding of the process of coolant heat transfer inside an engine is an indispensable prerequisite to devise an infallible cooling strategy. coolant flow and its heat transfer affect the cooling efficiency, thermal load of heated components, and thermal efficiency of a diesel engine. an efficient approach to studying cooling system for diesel engine is a 3d computational fluid dynami...
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