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76981
Characterization of the degree of food processing in the European Prospective Investigation into Cancer and Nutrition: application of the Nova classification and validation using s...
Published 2022-12-01“…These biomarkers included an industrial transfatty acid (ITFA) isomer (elaidic acid; exogenous fatty acid generated during oil hydrogenation and heating) and urinary 4-methyl syringol sulfate (an indicator for the consumption of smoked food and a component of liquid smoke used in UPF).ResultsContributions of UPF intake to the overall diet in % grams/day varied across countries from 7% (France) to 23% (Norway) and their contributions to overall % energy intake from 16% (Spain and Italy) to >45% (in the UK and Norway). …”
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Article -
76982
混合废塑料和餐厨废油添加甲醇共催化裂解制备 生物基烃类的研究Preparation of bio-based hydrocarbons by co-catalytic pyrolysis of waste plastics and kitchen waste oil with methanol...
Published 2023-12-01“…Adding 5% methanol might promote the generation of alkanes due to a synergistic hydrogenation reaction occuring between the mixed waste plastic and kitchen waste oil under the action of NaY zeolite catalyst. …”
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76983
Exploring Long Range <i>para</i>-Phenyl Effects in Unsymmetrically Fused bis(imino)pyridine-Cobalt Ethylene Polymerization Catalysts
Published 2023-10-01“…Unsymmetrical 11-phenyl-1,2,3,7,8,9,10-heptahydrocyclohepta[<i>b</i>]quinoline-4,6-dione, incorporating a <i>para</i>-phenyl substituted pyridine unit fused by both 6- and 7-membered carbocyclic rings, has been prepared on the gram-scale via a multi-step procedure involving cyclization, hydrogenation and oxidation. Templating this diketone, in the presence of cobalt(II) chloride hexahydrate, with the corresponding aniline afforded in good yield five examples of doubly fused bis(arylimino)pyridine-cobalt(II) chlorides, <b>Co1</b> (aryl = 2,6-dimethylphenyl), <b>Co2</b> (2,6-diethylphenyl), <b>Co3</b> (2,6-diisopropylphenyl), <b>Co4</b> (2,4,6-trimethylphenyl) and <b>Co5</b> (2,6-diethyl-4-methylphenyl). …”
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76984
Eficacia de los ácidos grasos hiperoxigenados en la prevención de las úlceras por presión Hyperoxygenated fatty acid effectiveness in the prevention of the pressure ulcers
Published 2007-12-01“…So according to information found, the hydrogenated fatty acids could be an effective preventive measurein pressure ulcers, and when they are not able to avoid them, they could delay their occurrence. …”
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76985
Effect of rapeseed on selected functional responses and metabolite parameters in early lactation Mahabadian goats
Published 2022-03-01“…Fat milk due to extensive bio hydrogenation of unsaturated fatty acids in the rumen and the synthesis of short and medium saturated fatty acids in the mammary glands have a high concentration of saturated fatty acids (Shingfield et al., 2010). …”
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Article -
76986
Commentary of "Framing Obesity: Who is Responsible?"
Published 2014-09-01“…However, this past fall the Food and Drug Administration preliminarily determined that partially hydrogenated oils (a large source of trans fats) could not be used in food without prior approval. …”
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76987
Xenobiotic biotransformation in the era of exposome: database fusion, computer assisted prediction, and chemical-chemical interaction
Published 2022“…The prediction approach began with automatically retrieved reaction templates, which were obtained by comparing the SMARTS pattern, atomic number, total number of hydrogens, formal charge, degree, number of radical electrons, aromaticity, bond orders, and atomic number of neighbouring atoms of the mapped atom-to-atom reaction of reactants and products. …”
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Thesis-Doctor of Philosophy -
76988
Geochemical properties of major and rare earth elements in the South Kouchek-Ali Coal Mine, Tabas
Published 2019-07-01“…Rare earth, major and trace elements in Jurassic manganese shales of the Northern Calcareous Alps: hydrothermal versus hydrogenous origin of stratiform manganese deposits. …”
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76989
Dynamical studies of crystalline polymers by inelastic neutron scattering
Published 1973“…Overall fits of 10 and 20% are provided to these data by two Urey-Bradley force fields, both of which include interactions between nearest neighbour nonbonded hydrogens only.</p> <p>Calculations of the interchain phonon dispersion curves of deuteropolyethylene based on an atom-atom potential parameter model are reported. …”
Thesis -
76990
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76991
Dark humic alluvial paleosols in Central and Southern Mexico: Micromorphological indicators of Late Pleistocene megafauna habitats Paleosuelos aluviales con humus oscuro en el Cent...
Published 2013-11-01“…The micromorphological analysis of MIS3 paleosols reveals aquatic conditions with evidence of freshwater biota and microlamination as well as pedogenetic features of hydrogenic carbonate precipitation and redoximorphic processes. …”
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76992
The chemistry of adducts from acetylenes and quinaldines
Published 1971“…This facile elimination, when considered in conjunction with the shielding effects observed in the n.m.r. spectra, provides good evidence in favour of a red-adduct structure involving a saturated-CHE.CHE-grouping attached to the nitrogen atom.</p> <p>Hydrogenation of the first red adducts from 2-methyl- and 2,8-dimethyl-quinoline in glacial acetic acid solution using Adams' catalyst gives the hexahydro-derivatives (15) and (16) respectively; the tetrahydro-derivative (17) is obtained from the 2-methylquinoline adduct using 10% palladium-on-charcoal. …”
Thesis -
76993
Influence of Chemical Substitution and Light Element Insertion on the Magnetic Properties of Nanocrystalline Pr<sub>2</sub>Co<sub>7</sub> Compound
Published 2022-01-01“…We studied the microstructure, hydrogenation, and magnetic properties of nanocrystalline Pr<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula>Co<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>7</mn></msub></semantics></math></inline-formula>H<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mi>x</mi></msub></semantics></math></inline-formula> hydrides. …”
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Article -
76994
Avant-propos
Published 2011-12-01“…Dans un troisièmearticle (Popova et al 2011), les mécanismes de production de méthane dans le rumen sont analysés.Un intérêt particulier est porté au rôle des Archaea méthanogènes, microorganismes qui constituentun domaine spécifique du règne vivant et qui sont les seuls à produire du méthane à partirde l’hydrogène. La compréhension des mécanismes est un élément majeur pour prévoir les effetspossibles d’une ration, d’un additif, d’une biotechnologie sur la production de méthane. …”
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Article -
76995
A Review of Research Progress on Re-Os Isotopic System of Carbon-enriched Geological Samples
Published 2023-03-01“…During the process of hydrogenous source Os into organic-enriched sedimentary rocks, the relative flux of Os from continental weathering, hydrothermal and cosmic dust was recorded, which was reflected as the initial Os isotopic ratio of sedimentary rocks. …”
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Article -
76996
Growth factors and growth factor antagonists
Published 1948“…</p> <p>The benziminazole analogue (25) of ethyl pteroate was prepared from chloroacet-2-nitroanilide, which reacted with ethyl <em>p</em>-aminobenzoate to give 4-<em>carbethoxyphenylglycine</em>-2-<em>nitroanilide</em>. On hydrogenation this gave the corresponding amine which cyclised to ethyl N-(2-benziminazole)-4-aminobenzoate (25) under acid conditions. …”
Thesis -
76997
Multiphase Production. Representation of Thermodynamic Properties of Methanol by Different Equations of State Production polyphasique. Représentation des propriétés thermodynamique...
Published 2006-11-01“…De part sa sphéricité et par la présence de son groupement hydroxyle qui lui confèrent des propriétés particulières, le méthanol doit être alors traité comme une entité à part entière, capable de se polymériser par formation de liaisons hydrogène entre les différents groupes OH présents dans le méthanol pur. …”
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