نتایج جستجو برای: temperature changes
تعداد نتایج: 1279247 فیلتر نتایج به سال:
The variation in climatic variables like temperature, humidity and radiations were recognized as the potential hazards in the growth and production of all domestic livestock species. Thermal environment is a major factor that can negatively affect both production and reproduction in dairy animals, especially in animals of high genetic merit. Among the stressors, heat stress has been of major co...
hsa plays an important role in transporting metabolites and drugs throughout the vascular system. in as much as its performance is very vital in the presents of different kinds of ligands at the specific body temperatures, its examination is crucial. this molecule can undergo increased glycation in diabetes. therefore, glucose as the one of the most fundamental ligands dealing with albumin in ...
an empirical electrical conductivity assessment of nanofluids comprising cuo nanoparticles water-based in different concentrations, particles size and various temperatures of nanofluids has been carried out in this paper. these experimentations have been done in deionized water with nanoparticles sizes such as 89, 95, 100 and 112 nm and concentrations of 0.12 g/l, 0.14 g/l, 0.16 g/l and 0.18 g/...
so far a number of works on the heat flux anomalies of the earth surface based on the satellite images and underground water as seismic precursors have been carried out. in this paper the soil temperature data at 1m depth (deep enough to filter temperature variation due to high frequency meteorological forcings) has been considered to see if there are connections between earthquakes in bam and ...
background: autoregulation of blood flow is a marvelous phenomenon balanc- ing blood supply and tissue demand. although many chemically-based explanations for this phenomenon have been proposed and some of them are commonly used today, biomechanical aspects of this phenomenon was neglected. the biomechanical aspect provides insights to us to model vessel diameter changes more precisely and comp...
abstract in this study we have used the monthly data resulted from the calculation of temperature and precipitation for a 52-year period (1951-2003). the doubling effect of carbon dioxide ( ) on temperature and precipitation was modeled as the most important climatic parameters. the resulting hythergraph and ambrothermic models for tabriz indicate monthly increases of temperature and precipitat...
the rapid change of land use and land cover in the metropolitan area of tehran has influenced the distribution pattern of land surface temperature (lst). in this study, a spatial autocorrelation analysis is adopted to process the spatial-temporal changes of lst and normalized difference vegetation index (ndvi) in tehran during the period of 1987 to 2010. global spatial autocorrelation analysis ...
My subject is temperature changes occurring during neonatal surgery. My interest in this subject was stimulated by the obvious cooling which occurred during neonatal operations, the absence in current practice at Great Ormond Street of any special measures to prevent this loss, and the varied methods of rewarming in practice. Also there occurred one or two cases of post-operative sclerema, and ...
The optimal temperatures reported for maximum production of penicillin by Penicillium chrysogenum have varied between 23 C and 28 C (Peterson, 1946; Johnson, 1946; Calam et al., 1951). These temperatures were established by comparing the yields obtained when the mold was held at various temperatures for the entire fermentation. Calam et al. (1951) obtained best yields at about 25 C. The work re...
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