نتایج جستجو برای: specific volume
تعداد نتایج: 1323098 فیلتر نتایج به سال:
With the development of sturgeon farming in the country, we can expect the occurrence and increase of various infectious diseases in farms, and in this regard, the use of specific probiotics are important in promoting the health of these fish. In this research, which was conducted at the Iranian sturgeon research institute (Guilan-Rasht), a total of 500 pieces of Siberian sturgeon were randomly...
This study was intended to use the sourdough LAB containing specific starter cultures for Barbari bread production and reduction of its staling. For sourdough preparation, fresh microbial cells were collected by centrifugation from LAB cultures. Then 1.5% of flour (w/w) from these washed cells with the same amounts of wheat flour and tap water and 0.25% (w/w) active dry yeast extract, containin...
In this study, the effect off adding SiO2 nanoparticles on the viscosity of base fluid is investigated experimentally. Base fluids are chosen among common heat transfer fluids such as ethylene glycol, transformer oil and water. In addition different volume percentages of ethylene glycol in water are used as ethylene glycol-water solution. In every base fluid different volume fractions of SiO2 n...
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در این پایان نامه، به کمک نرم افزار flow-3d میدان جریان عبوری از سریز اوجی بررسی می گردد. همچنین اثر هندسه سرریز و بلندای آب بالا دست سرریز بر میدان جریان و توزیع فشار بررسی شده و تاثیر مدل های مختلف آشفتگی (renormalizd group) rng, k-e, prandtl در میدان جریان نیز مورد توجه بوده است. نرم افزار flow-3d یک برنامه تحلیلی میدان جریان است که معادلات حاکم بر میدان جریان عبوری از روی سرریز که همان معاد...
To clarify the developmental brain changes during adolescence, brain morphology was compared between healthy younger adolescent and elder adolescent subjects using both voxel-based morphometry (VBM) and volumetric region-of-interest (ROI) analysis of magnetic resonance imaging (MRI). High-resolution three-dimensional MRI scans were acquired in 23 (10 males and 13 females) younger adolescent sub...
Introduction Knowledge of the relationship between venous cerebral blood volume (ΔCBVv) and blood flow (ΔCBF) changes is crucial to understanding the blood oxygenation level-dependent (BOLD) fMRI signal. To date, Grubb’s power-law (rCBV = rCBF), where an α of 0.38 was measured in rhesus monkeys under hypercapnic challenge [2], has been extensively used in human BOLD modeling. The equivalence of...
Measurements indicate that bacterial antigens increase in volume as the result of specific agglutination. There is a general parallelism between the increase in antigenic volume and the concentration of the immune serum. The phenomenon is specific. There is no increase with normal serum; with absorbed serum the increase is slight and it can be correlated with the presence of unabsorbed antibody...
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