نتایج جستجو برای: heating value
تعداد نتایج: 784383 فیلتر نتایج به سال:
چکیده فارسی عنوان : بررسی تغییرات سرمی سدیم در پیش آگهی ضربه مغزی در سن یک ماه تا 18 سال استاد راهنما : دکتر کیاندخت کریمیان، متخصص طب اورژانس، استادیار دانشگاه اساتید مشاور : دکتر پارسا یوسفی، فوق تخصص کلیه کودکان ، دانشیار دانشگاه دکتر محمد رفیعی، دکترای آمار حیاتی، دانشیار دانشگاه نگارش و پژوهش : مینا شیخی دزفولی مقدمه : ضربه مغزی بعنوان دوره ای کوتاه از فقدان هوشیاری است که چند...
Magnetic resonance (MR) imaging has become a commonly accepted medical procedure. Manufacturers of medical implant devices are submitting claims that their devices are safe and effective in a MR environment. This paper concentrates on the issue of heating of patients due to the interaction of metallic implants with the strong radiofrequency (RF) magnetic field produced by the MR scanner. The co...
effects of homogenization sequence (before or after heating) and homogenization pressure (0, 50, or 150 bar) were studied on the certain textural properties of milk-based creamy dessert including hardness, surface tension and syneresis. also, the microstructure of the treatments was analyzed using scanning electron microscopy (sem). homogenization at 50 bar after heating led to the highest hard...
Existing building energy simulation tools have a purported tendency to over-predict heating use and, in some cases, to under-predict cooling use, an outcome often attributed to inappropriate assumptions about thermostat management. As a result, a systematic review was conducted for the purposes of determining typical heating and cooling set points for single-family houses in North America. The ...
Accurate knowledge of thermophysical properties is needed to predict and optimize the thermal performance of microsystems. Thermal conductivity is experimentally determined by measuring quantities such as voltage or temperature and then inferring a thermal conductivity from a thermal model. Thermal models used for data analysis contain inherent assumptions, and the resultant thermal conductivit...
Carbon monoxide (CO) and carbon dioxide (CO2) emissions during a spontaneous heating event in a coal mine are important gases to monitor for detecting the spontaneous heating at an early stage. However, in underground coal mines, the CO and CO2 concentrations and their related fire ratios may be affected by mine ventilation. In this study, CO and CO2 emissions from spontaneous heating of a U.S....
We present the results of a theoretical study investigating the effects of photoionization and heating by X-rays on discs around low-mass stars. In particular we address the question of whether or not X-rays can drive a disc wind. First, we construct a 1-dimensional “quasi-hydrostatic” model, which solves for the vertical structure introduced by X-ray heating. We consider uniform X-ray illumina...
ABSTRACT- In this study, texture profile analysis and a creep test were used to determine the textural quality attributes of fish protein isolates and conventional surimi. These isolates were made from raw materials obtained from filleting processes of Silver carp (Hypophthalmichthys molitrix) using acid and alkaline aided treatments. Texture profile analysis was performed in order to obtain ha...
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