نتایج جستجو برای: high pressure regulator
تعداد نتایج: 2413468 فیلتر نتایج به سال:
High-pressure torsion (HPT) is a metal processing method in which the sample is subjected to a very high plastic shear deformation. This process can produce exceptional levels of grain refinement, and provides a corresponding improvement in mechanical properties. To investigate the stress and strain distribution due to HPT process finite element simulation were conducted to investigate effectiv...
Calphad description at high pressure is a very important topic. Several models have been proposed in the literature. The model by Lu et al. (X.-G. Lu, M. Selleby and B. Sundman, Comput. Coupling Phase Diagr. Thermochem., 29 (2005) 49-55) convenient many aspects. But it has criticized for giving unphysical extrapolations certain conditions. We show that this indeed suitable if additional constra...
As worldwide demand of hydrocarbon is growing fast, the oil and gas companies have been forced to explore reservoirs with more hostile conditions, such as high-pressure, high-temperature conditions. Improved technology, material selection and testing procedures are required to overcome the common problems in these conditions. One of the main phases of well construction is cementing job. Appropr...
The problem of converting attenuated hydraulic energy into power in an artificial local resistance unit placed on a gravity drinking water pipeline (outlet control valve, pressure regulator) without disrupting the regime is examined. It recommended to replace regulator with same turbine, and thus, its corrective device, automatically adjust consumption outlet pipe. economic data turbine be buil...
Background and Aim: High blood pressure is a health problem in children. High blood pressure is a health problem in children, increasing of blood pressure during childhood predisposes children to hypertension in later life stages. In addition, high blood pressure during childhood is a risk factor to atherosclerosis in future the present study was conducted to determine prevalence of high blood ...
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