نتایج جستجو برای: co gas
تعداد نتایج: 563696 فیلتر نتایج به سال:
UNLABELLED BACKGROUND The pathogenesis of inflammatory bowel disease (IBD) is complex, and an effective therapeutic strategy has yet to be established. Recently, carbon monoxide (CO) has been reported to be capable of reducing inflammation by multiple mechanisms. In this study, we evaluated the role of colonic CO insufflation in acute colitis induced by trinitrobenzene sulfonic acid (TNBS) i...
We present observations of CO, CO and of H2O in the middle and far-infrared taken with the ISO-SWS and ISO-LWS spectrometers toward two positions in the Galactic Center region (Sgr A and GCS-3). Both ice and gas phase molecules are detected. The ISO data have been complemented with observations of the J=3-2 and J=7-6 lines of CO carried out at the Caltech Submillimeter Observatory. The ISO and ...
A systematic study was conducted to understand the influences of catalyst combination as Ni-Co NPs on carbon nanotubes (CNTs) grown by Chemical Vapor Deposition (TCVD). The DC-sputtering system was used to prepare Co and Ni-Co thin films on silicon substrate. Ni- Co nanoparticles were used as metal catalyst for growing carbon nanotubes from acetylene (C2H2) gas in 850 ̊ C during 15 min. Carb...
BACKGROUND Impaired cardiac output (CO) is a key element of heart failure (HF). So far, there has been no simple, reliable, inexpensive and non-invasive CO measurement method feasible for clinical practice. Not a single diagnostic test has been elaborated to diagnose and monitor HF. The aim of the study was the evaluation of the reliability of a new, non-invasive CO measurement device utilizing...
Membrane technology can be used for both post combustion carbon dioxide capture and acidic gas sweetening and dehydration of natural gas. These processes are especially suited for polymeric membranes with polyether functionality, because of the high affinity of this species for both H₂O and CO₂. Here, both crosslinked polyethylene glycol diacrylate and a polyether-polyamide block copolymer (PEB...
We report the discovery of a high CO(J=3–2)/CO(J=1–0) ratio gas with an arc-like distribution (“high-ratio gas arc”) surrounding the central star cluster of the supergiant Hii region NGC 604 in the nearby spiral galaxy M 33, based on multi-J CO observations of a 5 × 5 region of NGC 604 conducted using the ASTE 10-m and NRO 45-m telescopes. The discovered “high-ratio gas arc” extends to the sout...
We present high resolution maps (∼ 2′′) maps of the J=1-0 and J=2-1 transitions of CO in the central ∼ 150 pc of the gas-rich nucleus of IC 342, made with the Owens Valley Millimeter Array. From the CO maps we are able to obtain the most accurate map of NH2 to date for IC 342. Due to their low opacities, the transitions of CO give a more reliable estimate of the true molecular gas column densit...
We have used the 15-m Swedish European Southern Observatory (ESO) Submillimetre Telescope (SEST) to observe the J = 1 → 0 and J = 2 → 1 transition lines of CO in 30 Southern hemisphere Seyfert galaxies from the extended 12-μm sample of Rush, Malkan & Spinoglio. We detected CO J = 1 → 0 in 16 out of the 30 Seyfert galaxies and CO J = 2 → 1 in 17 out of the 30 Seyfert galaxies. From the observed ...
Background and aims: In recent years, non- thermal plasma could has yield desirable and successful results, in spite of some challenges and limitations. In particular, in emission control of mobile and stationary sources. CO pollutant, which is emitted from various emission sources is a toxic gas and employee exposure at indoor and outdoor workplaces is one of the main world challenges. The app...
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