نتایج جستجو برای: 45 and 60 c
تعداد نتایج: 17025290 فیلتر نتایج به سال:
We tested recent evidence that ischemic preconditioning (PC) involves in translocation of protein kinase C (PKC) from the cytosol to myocyte membrane. Isolated Langendorff-perfused rabbit hearts (n=96) were subjected to 60 or 45 min of ischemia (I) and 120 min of reperfusion (R) with or without PC (4 cycles of 5 min I and 5 min R; or single dose of 5 min I and 10 min R), respectively. Left vent...
Abstract Radon is the main background source of dark matter and neutrino experiments. concentration (mBq/m 3 ) measurement by liquid scintillation detector a highly sensitive method at low temperatures using silicon photomultipliers (SiPMs) arrays. The SiPM performance characteristics are closely related to lower detection limit detector. In this study, we built an automatic accurate low-temper...
The observed huge increase in the width of the (3C)NMR spectra of TDAE-C(0 )n the middle of the ferromagnetic phase at 10 K is due to a Jahn-Teller distortion of the C(60 )(-) which becomes visible in view of the resulting changes in the Fermi contact electron-(13)C NMR shifts. The shape of the (13)C spectra allows for a direct determination of the belt-like redistribution of the unpaired elect...
abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...
flow in natural river bends is a complex and turbulent phenomenon which affects the scour and sedimentations and causes an irregular bed topography on the bed. for the reason, the flow hydralics and the parameters which affect the flow to be studied and understand. in this study the effect of bed and wall roughness using the software fluent discussed in a sharp 90-degree flume bend with 40.3cm ...
the purpose of this study was to investigate the effect of task repetition on accuracy of iranian efl learners ’speaking ability. in order to achieve this purpose, a null hypothesis was developed: there is no statistically significant difference between accuracy speaking ability in iranian efl learners by use of task repetition. ; of course i should mention that, beside this null hypothesis, an...
Abstract Biodiesel is a renewable fuel commonly used for diesel engines which made through the transesterification of triglycerides and methanol compounds. The raw materials in this research are palm oil (1: 6 mole ratio, mole: mole) use 0.5% w/w KOH catalyst. While treatment carried out there were 2 treatments, namely at reaction temperature (T1: 30 °C, T2: 45 °C T3: 60 °C) on tool, sampling p...
The smoke chamber used has a capacity of 3,420 kg with rubber sheet smoking period five days. Reducing the water content (moisture content) on is by heating it system. For operations, fumigation temperature first day 40 - 45°C, second 45 50°C, third 50 55°C, fourth 55 60°C, and fifth was maintained at 60°C. FDF IDF are two air distribution devices, where functions to blow into draws chamber. ba...
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