نتایج جستجو برای: tmin
تعداد نتایج: 385 فیلتر نتایج به سال:
Metabolic rate is a key aspect of organismal biology and the identification of selective factors that have led to species differences is a major goal of evolutionary physiology. We tested whether environmental characteristics and/or diet were significant predictors of interspecific variation in rodent metabolic rates. Mass-specific basal metabolic rates (BMR) and maximum metabolic rates (MMR, m...
BACKGROUND Although cryogen spray cooling (CSC) is used to minimize the risk of epidermal damage during laser dermatologic surgery, concern has been expressed that CSC may induce cryo-injury. In order to address this concern, it is necessary to evaluate the effects of prolonged exposure of human skin phantoms (HSP) to CSC. OBJECTIVE To measure the minimum surface temperature (T(min)) and the ...
OBJECTIVE To evaluate the behavior of oxygen saturation curves throughout the six-minute walk test (6MWT) in patients with COPD. METHODS We included 85 patients, all of whom underwent spirometry and were classified as having moderate COPD (modCOPD, n = 30) or severe COPD (sevCOPD, n = 55). All of the patients performed a 6MWT, in a 27-m corridor with continuous SpO2 and HR monitoring by telem...
The study of space-time vernier (STV) provides information on the spatio-temporal structure of the visual system in the same way that the classical spatio-spatial vernier (SSV) provides information on its spatial structure. The transposition of a SSV task into a STV one yields the following experimental format: an object (in the present case a Gaussian Blob) drifts with a constant velocity, V, ...
The study evaluated the ability of 11 global climate models latest two versions Coupled Model Intercomparison Project (CMIP5 and CMIP6) to simulate observed (1965–2005) rainfall, maximum (Tmax) minimum (Tmin) temperatures, mean eastward (uas) northward (vas) wind speed, surface pressure. It also relative uncertainty in projections variables using those CMIPs. European reanalysis (ERA5) data wer...
Purpose To quantify ocular sensory dominance and investigate its relationship to stereopsis. Method A total of 69 subjects participated in the study. Ocular dominance was measured by a continuous flashing technique, with the tested eye viewing a Gabor patch increasing in contrast, and the fellow eye viewing a Mondrian noise decreasing in contrast. In each trial, the log ratio of Mondrian to G...
This paper presents a comprehensive analysis of the effect urbanization on surface air temperature (SAT) from 1951 to 2018 in Philippines. The daily minimum (Tmin) and maximum (Tmax) records 34 meteorological stations were used derive extreme indices. These then classified as urban or rural based satellite night-lights. results showed significant difference SAT trends between stations, indicati...
Temperature extremes can cause disastrous impacts on ecological and social economic systems. China is very sensitive to climate change, as its warming rate exceeds that of the global mean level. This paper focused on the spatial and temporal changes of the temperature extremes characterized by the 95th percentile of maximum temperature (TX95), the 5th percentile of the minimum temperature (TN5)...
دوره رشد، دوره ای است که در آن رطوبت کافی و عدم وجود محدودیت های حرارتی، تولید محصولات زراعی را امکان پذیر می سازد. شواهد حاکی از طولانی تر شدن فصل رویشی، حدود 20-10 روز در دهه اخیر می باشد؛ به طوریکه شروع زود هنگام، برجسته تر است. این افزایش فصل رویشی با گرمایش اخیر جهانی در ارتباط است. در این پژوهش از داده های 49 ساله دمای 31 ایستگاه سینوپتیک ایران (2009-1961) به منظور بررسی چگونگی روند تغییر...
Recognizing the crop and region-specific irreversible effects of climate change on agriculture is unavoidable. The Southeastern United States region (SE-US) contributes significantly to (US) economy through its diverse agricultural productivity. Climatically, this more vulnerable than rest country. This study was designed quantify effect changing climate, i.e., daily maximum temperature (Tmax),...
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