Results 31 to 40 of about 55,695 (341)

The effect of primary organic particles on emergency hospital admissions among the elderly in 3 US cities [PDF]

open access: yes, 2013
Background: Fine particle (PM2.5) pollution related to combustion sources has been linked to a variety of adverse health outcomes. Although poorly understood, it is possible that organic carbon (OC) species, particularly those from combustion-related ...
Coull, Brent A   +5 more
core   +1 more source

Purely predictive method for density, compressibility, and expansivity for hydrocarbon mixtures and diesel and jet fuels up to high temperatures and pressures [PDF]

open access: yes, 2019
This study presents a pseudo-component method using the Perturbed-Chain Statistical Associating Fluid Theory to predict density, isothermal compressibility, and the volumetric thermal expansion coefficient (expansivity) of hydrocarbon mixtures and diesel
Bamgbade, B.   +5 more
core   +1 more source

A BRIEF OVERVIEW OF SPECTROSCOPIC STUDIES OF CYCLOHEXANE AND ITS DERIVATIVES [PDF]

open access: yesVestnik Issyk-Kulʹskogo universiteta
This paper presents the results of comprehensive research on the structure of condensed phases of monosubstituted cyclohexanes and the dynamics of their rearrangement under the influence of thermal motion.
Artikov A.
doaj   +1 more source

Catalytic Asymmetric Synthesis of Cyclohexanes by Hydrogen Borrowing Annulations

open access: yesAngewandte Chemie, 2019
Hydrogen borrowing catalysis serves as a powerful alternative to enolate alkylation, enabling the direct coupling of ketones with unactivated alcohols.
Roly J. Armstrong   +4 more
semanticscholar   +1 more source

Catalytic upgrading of hydrothermal liquefaction biocrudes: Different challenges for different feedstocks [PDF]

open access: yes, 2019
Hydrothermal liquefaction (HTL) followed by catalytic hydrotreating of the produced biocrude is increasingly gaining ground as an effective technology for the conversion of biomass into liquid biofuels.
Castello, Daniele   +2 more
core   +2 more sources

Volatile hydrocarbons from endophytic fungi and their efficacy in fuel production and disease control

open access: yesEgyptian Journal of Biological Pest Control, 2018
Endophytic fungi are the microorganisms which asymptomatically colonize internal tissues of plant roots and shoots. Endophytes produce a broad spectrum of odorous compounds with different physicochemical and biological properties that make them useful in
B. Shankar Naik
doaj   +1 more source

Memantine for prevention of migraine: a retrospective study of 60 cases. [PDF]

open access: yes, 2007
The objective was to retrospectively characterise the efficacy of memantine as preventive therapy in a series of patients with frequent migraine. Patients in a university headache clinic completed a survey regarding their experience with memantine, and ...
Brennan, Kevin C   +3 more
core   +1 more source

Construction of Multiple-Substituted Chiral Cyclohexanes through Hydrogenative Desymmetrization of 2,2,5-Trisubstituted 1,3-Cyclohexanediones.

open access: yesOrganic Letters, 2019
The construction of chiral multiple-substituted cyclohexanes motifs is a challenging topic in organic synthesis. By the combination of desymmetrization and remote stereocontrol, a ruthenium-catalyzed transfer hydrogenative desymmetrization of 2,2,5 ...
Chang-Bin Yu   +4 more
semanticscholar   +1 more source

Structure and mobility of cyclohexane as a solvent for Trans-Polyisoprene

open access: yes, 2002
Solutions of {\it trans}$-$polyisoprene in cyclohexane are investigated in atomistic detail at different compositions at two different temperatures. We investigate the influence of polymer concentration on the dynamics of the solvent molecules and the ...
Faller, Roland
core   +1 more source

Stereoselective Synthesis of Cyclohexanes via an Iridium Catalyzed (5 + 1) Annulation Strategy.

open access: yesJournal of the American Chemical Society, 2018
An iridium catalyzed method for the synthesis of functionalized cyclohexanes from methyl ketones and 1,5-diols is described. This process operates by two sequential hydrogen borrowing reactions, providing direct access to multisubstituted cyclic products
W. Akhtar   +4 more
semanticscholar   +1 more source

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