Results 91 to 100 of about 31,743 (208)
Alkylation of Benzene with Ethanol over ZSM-5 Based La–P Catalysts
Benzene ethylation in the presence of HZSM-5 zeolites is a promising method for producing ethylbenzene. This study examined the effects of modifying lanthanum and phosphorus as additives to the HZSM-5 catalyst, tested in the temperature range of 300-500 °
Sabit Eyyub Mamedov +5 more
doaj +1 more source
Measurements of nonmethane hydrocarbons in 28 United States cities [PDF]
Between 1999 and 2005 a sampling campaign was conducted to identify and quantify the major species of atmospheric nonmethane hydrocarbons (NMHCs) in United States cities.
Baker, AK +7 more
core
MXene‐Enhanced Electromembrane Systems for Advanced Water Applications: A Review
MXenes, synthesized via etching, intercalation, and delamination, exhibit hydrophilicity, conductivity, tunability, and strength, enabling roles as membranes, electrodes, and hybrids in electrical‐driven membrane technologies. These systems leverage adsorption, catalysis, separation, and self‐cleaning but face challenges in stability, scalability ...
Zainab Alansari +2 more
wiley +1 more source
A series of Keggin heteropolytungstate salts (M1.5PW12O40, M=Cu, Co, Zn and Fe) were prepared and characterized utilizing inductively coupled plasma spectrometry (ICP), Fourier transform infrared (FTIR) spectra, and ultraviolet-visible (UV-Vis) light ...
Al Kahtani Abdullah +2 more
doaj +1 more source
Developmental toxic effects of ethylbenzene or toluene alone and in combination with butyl acetate in rats after inhalation exposure [PDF]
First, the developmental toxic potential of n-butyl acetate (BA) was examined in Sprague-Dawley rats following whole body inhalation exposure, 6 h day-1, from day 6 to 20 of gestation, at concentrations of 0, 500, 1000, 2000 and 3000 ppm.
Bourges-Abella, Nathalie +4 more
core
In this work, we constructed homomeric high‐density FLPs. By establishing a descriptor model and a novel strategy for dynamic time alignment analysis, we accelerated transition state search by 220‐fold, pioneering a “dynamic dimension” for catalytic performance.
Lingjing Yu +4 more
wiley +1 more source
Highly Solvent Tolerance in Serratia marcescens IBBPo15
The aim of this study was to investigate the solvent tolerance mechanisms in Serratia marcescens strain IBBPo15 (KT315653). Serratia marcescens IBBPo15 exhibited remarkable solvent-tolerance, being able to survive in the presence of high concentrations ...
Mihaela Marilena Stancu
doaj +1 more source
ABSTRACT This study investigated the combustion characterization of Petroleum Motor Spirit (PMS) and Liquefied Petroleum Gas (LPG) due to fuel tanker explosions in Nigeria using Aspen Plus software. The simulation characterized and determined the emission factors (EFs) of the associated emissions from explosions.
Francis B. Elehinafe +5 more
wiley +1 more source
Abstract At many petroleum hydrocarbon spill sites, residual spilled product forms a long‐term source of groundwater contamination. The phrase source zone natural depletion is used to refer to the mass loss rates. Overall mass lost under environmental conditions was analyzed using conservative biomarker concentrations for a 1979 oil spill in northern ...
Barbara A. Bekins, William N. Herkelrath
wiley +1 more source
BTEX detection with composites of ethylenevinyl acetate and nanostructured carbon
By using a solvent-based method composites of ethylenevinyl acetate copolymer and carbon black (EVA–CB) were synthesized for sensing BTEX (benzene, toluene, ethylbenzene and xylene) vapours. The composites were characterized using atomic force microscopy
Santa Stepina +3 more
doaj +1 more source

