نتایج جستجو برای: pressure system formation
تعداد نتایج: 3009117 فیلتر نتایج به سال:
Geological CO2 sequestration in unmineable subsurface oil/gas fields and coal formations has been proposed as a means of reducing anthropogenic greenhouse gasses in the atmosphere. However, the feasibility of injecting CO2 into subsurface depends upon a variety of geological and economic conditions, and the ecological consequences are largely unpredictable. In this study, we developed a new flo...
Production of soot in high pressure diesel sprays is known to be dependent on combustion chamber temperature and pressure. To a lesser extent, the injector type and injection pressure also influence soot formation. In real engines, separating the individual role of these parameters is difficult as they are closely coupled. Here we present an optically based method to measure both temperature an...
The purpose of this study was to investigate the mechanisms that regulate superoxide (O(2)(*-)) production as a function of an acute elevation of intravascular pressure and age. Mesenteric arteries isolated from young (6 mo) and aged (24 mo) male Fischer 344 rats were used. O(2)(*-) production in vessels in response to 80 (normal pressure, NP) and 180 (high pressure, HP) mmHg was determined by ...
We examine the hypothesis that hydrostatic pressure alone determines the ratio of atomic to molecular gas averaged over a particular radius in disk galaxies. The hypothesis implies that the transition radius, the location where the ratio is unity, should always occur at the same value of stellar surface density in all galaxies. We examine data for 28 galaxies and find that the stellar surface d...
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