Results 11 to 20 of about 204,771 (175)

Dipole Polarizabilities of Fluorinated Hydrocarbons [PDF]

open access: yesCroatica Chemica Acta, 2009
Dipole polarizabilities of fluorinated C2 and C3 hydrocarbons have been studied using Coupled Cluster theory including single, double and non-iterative triple substitutions (CCSD(T)) – in conjunction with three basis sets: Pol, Z3Pol and HyPol. All molecular geometries were optimized at the MP2/aug-ccpVTZ level.
Éhn, Ladislav   +2 more
core   +3 more sources

Functionalisation of hydrocarbons using fluorinated alkenes [PDF]

open access: yes, 1996
Functionalisation of hydrocarbons is a field of continuing activity and a variety of approaches to this field, have been taken. This thesis is concerned with the functionalisation of the carbon-hydrogen bond, in hydrocarbons, using fluorinated alkenes ...
Spink, Robert C.H.
core   +6 more sources

Optimising the biopiling of weathered hydrocarbons within a risk management framework. [PDF]

open access: yes, 2005
Thirty years of research into petroleum microbiology and bioremediation have bypassed an important observation – that many hydrocarbon contaminated sites posing potential risks to human health harbour weathered, ‘mid-distillate’ or heavy oils rather ...
Lethbridge, Gordon   +11 more
core   +7 more sources

Optical Absorption and Raman Spectroscopy Study of the Fluorinated Double-Wall Carbon Nanotubes [PDF]

open access: yes, 2006
Double-wall carbon nanotube (DWNT) samples have been fluorinated at room temperature with varied concentration of a fluorinating agent BrF3. Content of the products estimated from X-ray photoelectron data was equal to CF0.20 and CF0.29 in the case of ...
Flahaut, Emmanuel   +8 more
core   +1 more source

Design and characterization of a smog chamber for studying gas-phase chemical mechanisms and aerosol formation [PDF]

open access: yesAtmospheric Measurement Techniques, 2014
We describe here characterization of a new state-of-the-art smog chamber facility for studying atmospheric gas-phase and aerosol chemistry. The chamber consists of a 30 m3 fluorinated ethylene propylene (FEP) Teflon film reactor housed in a temperature ...
X. Wang   +11 more
doaj   +1 more source

PROSPECTS FOR USE OF CONDENSED GASES AND SUPERCRITICAL FLUIDS IN PHYTOCHEMICAL PRODUCTION [PDF]

open access: yesAnnals of Mechnikov's Institute, 2017
In the given review article analysis of the literature and patent sources concerning main methods for intensification of extraction processes of medicinal vegetative raw materials – use of condensed gases and supercritical fluids (SCF) on more acceptable
Demyanenko DV, Breusova SV
doaj   +1 more source

Synthesis and Properties of High Tilted Antiferroelectric Esters with Partially Fluorinated Alkoxyalkoxy Terminal Chains [PDF]

open access: yes, 2008
Novel chiral esters with partially fluorinated alkoxyalkoxy terminal chains are described. Their phase transition temperatures, enthalpies, and electrooptical properties are reported.
Dziaduszek, J.   +7 more
core   +1 more source

Mechanisms for surface potential decay on fluorinated epoxy in high voltage DC applications [PDF]

open access: yes, 2014
Epoxy resin has been extensively used for decades as an insulation material in high voltage transmission systems. However, this insulation material does suffer from bulk and surface charging when used as insulating spacer, mainly in high voltage DC ...
Z. An   +7 more
core   +1 more source

Substrate Interactions during the Biodegradation of Benzene, Toluene, Ethylbenze, and Xylene (BTEX) Hydrocarbons by the Fungus Cladophialophora sp. Strain T1 [PDF]

open access: yes, 2002
The soil fungus Cladophialophora sp. strain T1 (= ATCC MYA-2335) was capable of growth on a model water-soluble fraction of gasoline that contained all six BTEX components (benzene, toluene, ethylbenzene, and the xylene isomers).
Vervoort, J.   +4 more
core   +1 more source

Synthesis of Polycyclic Aromatic Hydrocarbons Decorated by Fluorinated Carbon Acids/Carbanions

open access: yes, 2021
The carboarylation reaction of biphenyl‐alkynes was successfully triggered by electrophilic attack of 1,1‐bis(triflyl)ethylene on the alkyne moiety to give polycyclic aromatic hydrocarbons (PAHs) decorated by superacidic carbon acid functionality ...
Martín‐Mejías, Irene   +13 more
core   +1 more source

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