نتایج جستجو برای: nox control
تعداد نتایج: 1336798 فیلتر نتایج به سال:
Abstract Background: Reduced Nitric oxide (NO) synthesis has been reported in hypothyroidism. NO has many physiological and pathological roles. The purpose of this study was to determine NO metabolites, nitrate and nitrite (NOx), levels in serum and tissues of heart, brain, cerebellum and aorta of rats with fetal hypothyroidism. . Materials and methods: Hypothyroidism was induced in female rats...
Recent regulations have required reductions in emissions of nitrogen oxides (NOx) from electric utility boilers. To comply with these regulatory requirements, it is increasingly important to implement state-of-the-art NOx control technologies on coal-fired utility boilers. This paper reviews NOx control options for these boilers. It discusses the established commercial primary and secondary con...
Nitrogen oxides (NOx) are key pollutants for the improvement of ambient air quality. Within this study we estimated the historical NOx emissions in China for the period 1995–2010, and calculated future NOx emissions every five years until 2030 under six emission scenarios. Driven by the fast growth of energy consumption, we estimate the NOx emissions in China increased rapidly from 11.0 Mt in 1...
OBJECTIVE Nitric oxide (NO) is a key metabolic and vascular regulator. Its production is stimulated by insulin. A reduced urinary excretion of NO products (NOx) is frequently found in type 2 diabetes, particularly in association with nephropathy. However, whether the decreased NOx excretion in type 2 diabetes is caused by a defective NOx production from arginine in response to hyperinsulinemia ...
There has been renewed interest in evaluating the effect of biomass co-firing on the multi-pollutant control system such as Selective Non-catalytic Reduction (SNCR) and oxygen enrichment. Emissions savings have been attained by combining SNCR and biomasscoal co-combustion under various oxygen enriched staged air levels. Biomasses with higher tendency of generating CO produced better reduction i...
The basal activity of nitric oxide (NO) is reduced in spastic arteries of patients with vasospastic angina (VSA). Elevated concentrations of ADMA are associated with reduced NO production and impaired endothelium-dependent vasodilatation. The aim of this study was to elucidate the role of ADMA and its relationship to NO end-products (NOx; nitrate + nitrite) during coronary circulation in patien...
Yann Guezennec, Shawn Midlam-Mohler, Makoto Tateno and Mike Hopka Center for automotive Research and Intelligent Transportation Ohio State University 930 Kinnear Road Columbus, OH 43212 USA Abstract: A two-stage approach to Diesel emission management in Diesel Hybrid Electric Vehicles is presented. The first aspect of this work focuses on a supervisory control strategy for charge-sustaining, ...
This research analyzes thequalitative and quantitative behavior of aerosol dynamics resulting from the control of nitrogen oxide (NOx) and volatile organic compound (VOC) emissions by calculating detailed pollutant isopleths. Several emission scenarios are evaluated using various norms to study the nonlinear impact of control strategies. The modeling episode studied is the Southern California A...
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