نتایج جستجو برای: nox control
تعداد نتایج: 1336798 فیلتر نتایج به سال:
The strong ROS (reactive oxygen species) production, part of an antioxidant response of human fibroblasts triggered by DHA (docosahexaenoic acid; C(22:6,n-3), served as a model for deciphering the relative contribution of NOX (NADPH oxidase) to ROS production, as the role of this enzymatic system remains controversial. Using hydroxyethidium fluorescence for fibroblast ROS production, RT (revers...
This study investigated the potential contribution of nitric oxide (NOx) production to enhanced fetal hemoglobin (HbF) synthesis in patients with diabetes. Glycated hemoglobin (HbA1c), HbF, high sensitivity C-reactive protein (hsCRP), plasma glucose levels, and serum NOx concentrations were measured in 350 diabetics and 125 healthy subjects. There were no significant correlations between HbF an...
This paper presents a control strategy for an automotive selective catalytic reduction (SCR) system, for which the feedback is based on a NOx sensor measurement. This NOx sensor is cross-sensitive to NH3, which is critical for control purposes: a study of the closed-loop dynamics is performed which permits to calibrate the control strategy. Experimental results illustrate the performance of the...
Heme nitric oxide/oxygen (H-NOX) proteins are found in eukaryotes where they are typically part of a larger protein such as soluble guanylate cyclase and in prokaryotes where they are often found in operons with a histidine kinase, suggesting that H-NOX proteins serve as sensors for NO and O(2) in signaling pathways. The Fe(II)-NO complex of the H-NOX protein from Shewanella oneidensis inhibits...
Oxides of nitrogen (NOx) is responsible for troposphere ozone and urban smog through photochemical reactions. The rapid economic growth and unlimited consumption of fossil fuels have resulted in large emissions of NOx. Due to the adverse environmental effects, environmental regulatory agencies are compelled to enforce stringent NOx emission standards. Recently promulgated Clean Air Interstate R...
The aim of this study was to determine whether nitric oxide (NO) production is altered during peritonitis in patients receiving continuous ambulatory peritoneal dialysis (CAPD), and if so, whether there is an association between this alteration and the severity and prognosis of CAPD-induced peritonitis. The study population comprised 30 patients with 30 episodes of peritonitis. Thirteen patient...
Industrialization of plasma De-NOx system needs combination of various technologies technologies. This article introduces these many technologies and discusses the technical problems and their solutions. Such technologies include system design, efficiency requirements, component design method, plasma chemical reactions, optimization of process, scheme of the system, modification of discharge mo...
China has experienced very rapid economic development in recent yearsUrban air has very high concentrations of various pollutants, including sulphur dioxide (SO2), oxides of nitrogen (NOx), ozone (O3) and particulate. This paper reviews the changes in air quality in the cities like Guangzhou over the past 15 years, and notes that a serious vehicular-related emissions problem has been superimpos...
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