نتایج جستجو برای: temperature sensitivity
تعداد نتایج: 771283 فیلتر نتایج به سال:
The aims of this paper are review the effects of Propellant Formulation parameters and improving an understanding of mechanisms of burn rate temperature sensitivity. The initial temperature of a solid propellant influences the burn rate, pressure and thrust of the propulsion system. The temperature sensitivity, σp of solid propellant burn rate directly affects the accuracy and performance of th...
Species interactions drive ecosystem processes and are a major focus of global change research. Among the most consequential expected to shift with climate those between insect herbivores plants, both which highly sensitive temperature. Insect their host plants display varying levels synchrony that could be disrupted or enhanced by change, yet empirical data on changes in lacking. Using evidenc...
A new method recently used for measuring the temperature is using tympanic thermometer. The aim of this study was to compare the accuracy of this method with rectal and axillary measurement in children less than 6 years old. A total of 220 pair ears, axillaries, and rectal sites were used to determine the body temperature in patients aged between 3 months to 6 years who referred to Emergency De...
Abstract. With progressing global warming, snowfall in Antarctica is expected to increase, which could counteract or even temporarily overcompensate increased ice-sheet mass losses caused by ice discharge and melting. For sea-level projections it therefore vital understand the processes determining changes Antarctica. Here we revisit relationship between Antarctic temperature precipitation chan...
انسداد حاد سیستم ادراری یکی از علل شایع مراجعه بیماران به کلینیک ارولوژی می باشد. انسداد سیستم ادراری توسط اروگرافی ترشحی و سی تی اسکن (که دارای عوارض ناشی از اشعه یونیزا و عوارض مواد حاجب می باشند)، mri و مواد رادیونوکلئید (که دارای هزینه بالا و صرف وقت زیاد می باشند.) و نیز روشهای تهاجمی نظیر پیلوگرافی آنته گرید و رتروگرید بررسی می گردد. سونوگرافی روشی غیر تهاجمی در بررسی انسادا سیستم ادراری ...
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