Results 101 to 110 of about 167 (157)
Photochemical Surface Degradation in Spiropyran Based Films
ChemPhotoChem, EarlyView.Monitoring of photoswitching surface properties using molecular photochromes can give misleading results due to primary inner filter effects. The surface layer can degrade but then protect deeper layers from damage, leading to misassignment of the origin of light driven changes in surface energy.
Ruben Feringa +2 more
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Sources of excited cyclohexane in the radiolysis of cyclohexane
The Journal of Physical Chemistry, 1988Streak camera measurements of the relative yield of the excited state of cyclohexane (CH*) as a function of electron scavenger concentration (perfluoro-n-hexane, CO/sub 2/, and N/sub 2/O) strongly indicate that less than 10% of the CH* is formed by direct excitation.
A.C. Chernovitz +3 more
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Chemical Engineering Science, 2011
Abstract In this communication, we first report hydrate dissociation conditions for the nitrogen+cyclopentane, cyclohexane or methyl cyclohexane+water and ethane+cyclopentane, cyclohexane or methyl cyclohexane+water systems at various temperatures. The experimental data were generated using an isochoric pressure-search method.
Mohammadi, Amir H., Richon, Dominique
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Abstract In this communication, we first report hydrate dissociation conditions for the nitrogen+cyclopentane, cyclohexane or methyl cyclohexane+water and ethane+cyclopentane, cyclohexane or methyl cyclohexane+water systems at various temperatures. The experimental data were generated using an isochoric pressure-search method.
Mohammadi, Amir H., Richon, Dominique
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Nomenclature of Cyclohexane Bonds
Nature, 1953IT was shown originally by X-ray and electron diffraction, and has been confirmed by other physical and by chemical means, that the most stable and permanent form of the cyclohexane ring is that particular strainless form which is sometimes likened to a chair or a staircase.
V. Prelog +3 more
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The infrared and Raman spectra of cyclohexane and cyclohexane-d12
Spectrochimica Acta, 1964Abstract This paper, reports the infrared spectrum of cyclohexane (100–3400 cm−1) and of cyclohexane-d12 (300–3400 cm−1), and the Raman spectrum with polarizations for both compounds. With these data the vibrational assignments have been advanced considerably.
Helen R. Golob, Foil A. Miller
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Radiation Protection in Cyclohexane
Radiation Research, 1958Protection of a substance against certain modes of radiolysis by introduction of a low-concentration solute which can interfere with the normal fate of some primary intermediate can be achieved by a variety of mechanisms (1). The system most extensively studied in this connection is cyclohexane + benzene. Reduction of the yield of hydrogen and ethylene
J. Chang +3 more
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Radiolysis of Cyclohexane. I. Pure Liquid Cyclohexane and Cyclohexane-Benzene Solutions
The Journal of Chemical Physics, 1960The radiation chemistry of pure liquid cyclohexane and of cyclohexane-benzene solutions has been investigated. The cyclohexane radiolysis system appears to contain at least two distinct activated species, one of which (c-C6H12″) is subject to ``protection'' by benzene while the other (c-C6H12′) is not.
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Conformational analysis of cyclohexanes diastereoisomerism in disubstituted cyclohexanes
Resonance, 2005The cycloalkanes most commonly found in nature, viz., in some alkaloids, steroids and terpenoids contain six membered rings because they can exist in a completely strain free chair conformation. The fundamental understanding of the conformations of cyclohexane and the structures of molecules containing cyclohexane ring was developed by Derek H R Barton
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The structure of cyclohexane, F-, Cl-, Br- and I-cyclohexane
Journal of Molecular Structure, 1995Abstract The ground state, r0, and the average, r∗ , structures of cyclohexane were determined from the recently reported rotational constants for several isotopic species of cyclohexane. These structures provide a better description of the heavy atom skeleton in cyclohexane than the rs structure and allow an accurate prediction of the ...
E. Białkowska-Jaworska +2 more
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VAPOR-PHASE RADIOLYSIS OF CYCLOHEXANE AND MIXTURES OF BENZENE AND CYCLOHEXANE
Canadian Journal of Chemistry, 1964The vapor-phase radiolysis of cyclohexane and benzene-cyclohexane mixtures has been studied with isotopic tracer techniques using C6D12 and C6D6. Benzene does not quench the molecular detachment of hydrogen, [Formula: see text] but interacts with the second-order processes giving HD in C6D12–C6H12 mixtures.
J. Blachford, P. J. Dyne
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