نتایج جستجو برای: heating rate increased in total
تعداد نتایج: 17141819 فیلتر نتایج به سال:
the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...
abstract recent studies suggest that prelistening activities play an important role in the development of listening comprehension (e.g. long 1990;chiang and dunkel 1992; schmidt-rinehart 1994; jensen and hansen 1995; robinson et al., 1995; buck, 1995; foster and skehan,1996; teng 1996; robinson, 2001; chang and read 2006). in line with previous studies and to shed light on a new aspect of sche...
In this research, the densification of magnesia nanopowder with a mean particle size of about 100 nm was investigated by spark plasma sintering undera pressures of 80 MPa and at temperature range from 1000 °C to 1400 °C and a heating rate of 50 °C/min for 20 minutes. The density of the samples slowly increased with increasing sintering temperatures to 1200 °C. Afterwards, with more increasing o...
In Difco nutrient broth, containing 0.5 per cent NaCl, pH 6.6, Escherichia coli phages T1, T2, and T5 were inactivated at 66 degrees C., and T7 at 60 degrees C., at nearly the same rate. In each case the rate of destruction was not uniform but more or less decreased with time of heating. With T2 there was an initial increase in number of infective centers after heating for several minutes at 66...
Under ITER/EDA R&D Task T-218, an experiment on nuclear heating was conducted at the Fusion Neutronics Source Facility (FNS) in JAERI in order to provide experimental data of nuclear heating for structural materials and to validate the data and methods relevant to ITER design calculations. Probe materials, SS-316, Cu, W, Zr, Be, Cr and graphite were tested in a copper centered experimental asse...
Energy simulation is a vital part of energy policy of a country, especially for a developing country like China where energy consumption is growing very rapidly. The present study has been conducted to simulate the total primary energy consumption in residential sector in rural areas in Chongqing by using macro and micro drivers including population size, number of households, persons per house...
it is possible to alter the permeability of ethyl cellulose membrane with certain materials such as surfactants. in this study the effect of surfactant concentration and different hlb values on the release rate of atenolol from ethyl cellulose-coated tablets was evaluated. the results showed that when the concentration of surfactant increased, the rate of drug release also increased. the kineti...
In this paper, using parabolic mirrors, a solar field was designed, which was related to a storage tank for a residential complex in the city of Tafresh located in the center of Iran. The design was performed for the existing oils: VP1, THERMINOL 66, THERMINOL 59. Finally, considering an organic cycle with R123 as working fluid and assuming a minimum length required for oil flow rate to reach a...
The objective of this study was to define the effects of various cooking and re-heating methods (pan roasting, steaming, oven grilling and micro-waving) on the cholesterol and formation of cholesterol oxidation products in beef loin during storage at 4°C. Raw samples showed lower total cholesterol content than cooked products sampled during storage for 6 d. The following cholesterol oxidation p...
background: autoxidation is considered to be the main route of edible oil deterioration, which produces undesirable odors and flavors during storage and heating. the unpleasant flavor of oxidized oil has been attributed to primary and secondary products of unsaturated fatty acids. the microwave heating is a rapid method when compared with other methods of heating. objective: in this research, t...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید