نتایج جستجو برای: relative humidity in 500
تعداد نتایج: 17015604 فیلتر نتایج به سال:
The effect of moisture absorption on the glass transition temperature (T(g)) and stress/strain behavior of network polyurethane shape memory polymer (SMP) foams has been investigated. With our ultimate goal of engineering polyurethane SMP foams for use in blood contacting environments, we have investigated the effects of moisture exposure on the physical properties of polyurethane foams. To our...
realistic prediction of concrete shrinkage and creep requires the calculation of the distributions of relative humidity at various times. although the distributions of the relative humidity can be computed by numerical methods from the differential equation for diffusion, simple prediction formulas can facilitate structural analysis. the purpose of this paper is to present a simple formula for ...
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
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The sensitivity of free-tropospheric relative humidity to cloud microphysics and dynamics is explored using a simple 2-D humidity model and various configurations of the NCAR CAM3 Atmospheric General Circulation Model (AGCM). In one configuration the imposed surface temperatures and radiative perturbations effectively eliminated the Hadley and Walker circulations and the main westerly jet, crea...
In this article, we report on a room-temperature humidity sensing device using graphene oxide (GO) thin films synthesized by chemical exfoliation. Changes in the device conductivity are measured for varying relative humidity in the experimental chamber. Experiments are carried out for relative humidity varying from 30% to 95%. We observe a difference in the results obtained for low relative hum...
Abstract Introduction: Cutaneous leishmaniasis is recognized as one of the important neglected parasitic diseases worldwide. The present study aimed to determine the epidemiological patterns of cutaneous leishmaniasis in a period of ten years in Yazd province in Iran. Materials & Methods: This ecological study was performed on 5784 recorded cases within 2004-2013in health center...
Background: The larvae of Lucilia sericata are efficiently and widely used in maggot therapy. The aim of this study was to investigate some environmental factors that influence the mass rearing of Lucilia sericata as the most suitable candidates for maggot therapy in Iran. Methods: This cross-sectional study was conducted in fli...
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