Results 21 to 30 of about 66,759 (345)
Inorganics, 2022 In this paper, Zr(IV) nitrate solution decomposed from Viet Nam zircon concentrate was the source of zirconium extraction by liquid-liquid extraction (L.L.E). The FT-IR and UV-Vis spectra confirmed the extraction of Zr(IV) by D2EHPA/p-xylenes. There were
Manh Nhuong Chu +9 more
doaj +1 more source
Estimating European volatile organic compound emissions using satellite observations of formaldehyde from the Ozone Monitoring Instrument [PDF]
, 2010 Emission of non-methane Volatile Organic Compounds (VOCs) to the atmosphere stems from biogenic and human activities, and their estimation is difficult because of the many and not fully understood processes involved.
Chance, K. +4 more
core +2 more sources
Selective Oxidation of Xylenes to Toluic Acids [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 1997 A mixture of manganese, cobalt and lead para-amino benzoates supported on silica gel is used to catalyze oxidation of xylenes to toluic acids in presence of oxygen or air. Reactions are clean and catalysts can be recovered easily and reused.
Mohammad M. Hashemi, Nasrin Manuchehri
doaj
Brazilian Archives of Biology and Technology, 2023 This study shows the results obtained of evaluation and comparison of chemical analysis and ecotoxicity for evaluated the quality of water contaminated with gasoline after Fenton process.
Caroline Nocêra Benetti +5 more
doaj +1 more source
Emission characteristics of nonmethane hydrocarbons from private cars and taxis at different driving speeds in Hong Kong [PDF]
, 2011 Vehicular emissions are the major sources of a number of air pollutants including nonmethane hydrocarbons (NMHCs) in urban area. The emission composition and emission factors of NMHCs from vehicles are currently lacking in Hong Kong.
Blake, DR +4 more
core +1 more source
Aerosol and Air Quality Research, 2023 The aim of the study was to monitor volatile organic compounds (VOCs) in outdoor air in nine cities/towns across the Republic of N. Macedonia and the Republic of Kosovo for nine consecutive months, using the Radiello® passive and diffusive samplers, and ...
Vllaznim Mula +4 more
doaj +1 more source
Prediction of the Operating Conditions in a Batch Distillation Column Using a Shortcut Method [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2002 A shortcut procedure as quick, easy-to use method for design and simulation of multicomponent batch distillation is used to predict the operating condition of recovering xylene from solvent in an existing batch distillation column in benzol refinery. The
Mohammad Reza Ehsani
doaj
Elementa: Science of the Anthropocene, 2020 The Korea-United States Air Quality Study (KORUS-AQ) took place in spring 2016 to better understand air pollution in Korea. In support of KORUS-AQ, 2554 whole air samples (WAS) were collected aboard the NASA DC-8 research aircraft and analyzed for 82 C1 ...
Isobel J. Simpson +26 more
doaj +1 more source
GeoHealth, 2022 Fire Influence on Regional to Global Environments and Air Quality was a NOAA/NASA collaborative campaign conducted during the summer of 2019. The objectives included identifying and quantifying wildfire composition, smoke evolution, and climate and ...
Gabrielle N. Dickinson +11 more
doaj +1 more source
Methylglyoxal-dependent glycative stress and deregulation of SIRT1 functional network in the ovary of PCOS mice [PDF]
, 2020 Advanced glycation end-products (AGEs) are involved in the pathogenesis and consequences of polycystic ovary syndrome (PCOS), a complex metabolic disorder associated with female infertility.
Amicarelli, F +10 more
core +1 more source