نتایج جستجو برای: so2 adsorption
تعداد نتایج: 59966 فیلتر نتایج به سال:
NOx is one of the main sources air pollution, and abatement emission has aroused increasing attention. The NH3-SCR technology mature widely used for controlling emissions from fixed sources. In this work, SmxMnTiSnOy was synthesized by a mixed solvothermal synthesis. performance tested H2O SO2 resistance Sm0MnTiSnOy, Sm0.1MnTiSnOy, Sm0.2MnTiSnOy catalysts (5 %H2O, 25 ppm SO2) were at 250 °C. ph...
The objective of this research work is to investigate the ability sulfasalazine (as an anti-cytokine drug) functionalized B16N16, B15GeN16 and B15SiN16 nanocages treat inflammatory cardiovascular disease breast cancer in comparison with pure (SSZ). Density functional theory (DFT) calculations at PBE1 were used structural, electronic spectral properties decorated nanocages. most stable state was...
in this paper, the development of a new potassium carbonateon alumina support sorbent prepared byimpregnating k2co3 with an industrial grade of al2o3 support was investigated. the co2 capturecapacity was measured using real flue gas with 8% co2 and 12% h2o in a fixed-bed reactor at atemperature of 65 °c using breakthrough curves. the developed sorbent showed an adsorptioncapacity of 66.2 mgco2/...
Although hemoglobin oxygen saturation (sO2) in the microvasculature is an essential physiological parameter of local tissue functions, non-invasive measurement of microvascular sO2 is still challenging. Here, we demonstrated that visible-light optical coherence tomography (vis-OCT) can simultaneously provide three-dimensional anatomical tissue morphology, visualize microvasculature at the capil...
Sulfur dioxide (SO2) was previously regarded as a toxic gas in atmospheric pollutants. But it has been found to be endogenously generated from metabolism of sulfur-containing amino acids in mammals through transamination by aspartate aminotransferase (AAT). SO2 could be produced in cardiovascular tissues catalyzed by its synthase AAT. In recent years, studies revealed that SO2 had physiological...
Over the last three decades, ambient concentrations of sulfur dioxide (SO2) air pollution have declined by approximately 80%. This paper tests whether the 1970 Clean Air Act and its subsequent amendments caused this decline. The centerpiece of this legislation is the annual assignment of all counties to SO2 nonattainment or attainment categories. Polluters face stricter regulations in nonattain...
[1] In this study, ultraviolet TOMS (Total Ozone Mapping Spectrometer) satellite data for SO2 are reevaluated for the first 15 days following the 15 June 1991 Pinatubo eruption to reflect new data retrieval and reduction methods. Infrared satellite SO2 data from the TOVS/HIRS/2 (TIROS (Television Infrared Observation Satellite) Optical Vertical Sounder/High Resolution Infrared Radiation Sounder...
The last decade has seen frequent occurrences of severe air pollution episodes of high loading in SO2 during winters in the North China Plain (NCP). Using satellite data from the Ozone Monitoring Instrument (OMI), chemistry transport model (GEOS-Chem) simulations, and National Center for Environmental Predication (NCEP) meteorological reanalysis, this study examines meteorological and synoptic ...
The present study was designed to determine whether sulfur dioxide (SO2) could be endogenously produced in adipocyte and served as a novel adipocyte-derived inflammatory inhibitor. SO2 was detected in adipose tissue using high-performance liquid chromatography with fluorescence detection. SO2 synthase aspartate aminotransferase (AAT1 and AAT2) mRNA and protein expressions in adipose tissues wer...
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