نتایج جستجو برای: nox control
تعداد نتایج: 1336798 فیلتر نتایج به سال:
Two mechanisms contribute in the development of pulmonary hypertension in pulmonary embolism (PE) - obstruction of pulmonary blood vessels and vasoconstriction. We hypothesize that hypoxia, increased shear stress and/or activation of gathered leukocytes in the PE may cause a release of reactive oxygen species (ROS). Therefore our aim was to determine the influence of the ROS scavenger Tempol on...
BACKGROUND Previously undiagnosed diabetes, impaired glucose tolerance, and insulin resistance are common in patients with acute myocardial infarction and coronary heart disease (CHD) and might be involved in early restenosis after stent implantation. To evaluate whether markers of insulin resistance syndrome, including leptin, and endothelial dysfunction are related to increased rate of early ...
The objective of this work is to optimize the control parameters of the direct injection (DI) single cylinder diesel engine with respect to NOx (Oxides of Nitrogen) and fuel emissions through experimental investigations and Taguchi method. A single cylinder 5.2 kW diesel engine was selected for this experiment. Five parameters such as clearance volume, valve opening pressure, nozzle-hole diamet...
DiStasi MR, Unthank JL, Miller SJ. Nox2 and p47 modulate compensatory growth of primary collateral arteries. Am J Physiol Heart Circ Physiol 306: H1435–H1443, 2014. First published March 14, 2014; doi:10.1152/ajpheart.00828.2013.—The role of NADPH oxidase (Nox) in both the promotion and impairment of compensatory collateral growth remains controversial because the specific Nox and reactive oxyg...
PURPOSE NADPH oxidase (NOX)-generated reactive oxygen species (ROS) are essential for growth factor-stimulated cell proliferation. In this study, the regulatory role of p22phox, a membrane subunit of NOX, in NOX activity and platelet-derived growth factor (PDGF) mitogenic signaling were examined. METHODS Human lens epithelial B3 (HLE B3) cell lines with p22phox overexpressed (p22-OE) and p22p...
In this study, the efforts to reduce NOx and particulate matter (PM) emissions from a diesel engine using both ethanol-selective catalytic reduction (SCR) of NOx over an Ag/Al2O3 catalyst and a biodiesel-ethanol-diesel fuel blend (BE-diesel) on an engine bench test are discussed. Compared with diesel fuel, use of BE-diesel increased PM emissions by 14% due to the increase in the soluble organic...
A Computational Fluid Dynamics (CFD) modeling study has been conducted to evaluate the application of overfire air (OFA), Fuel Lean Gas Reburn (FLGR), and Selective Non-Catalytic Reduction (SNCR) to reduce NOx emissions from Owensboro Municipal Utilities’ Elmer Smith Station. Smith Station Unit 1 is a nominally rated 150 MWe single-wall cyclone fired boiler with three barrels. FLGR is a NOx con...
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