How To Use Isomerization In A Sentence
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Made of high quality hydroisomerization base oil, import composited agent, and the ceramic composite of lubrication factor.
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This is carried out by chemical and petrochemical industries in processes such as isomerization, alkylation homologation, etc.
Hydrocarbons for the 21st Century - The Work of the Loker Hydrocarbon Research Institute
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In addition, the reaction mechanism of bond isomerization of butene catalyzed by HF has been investigated.
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In nonpolar polyenes the lowest-lying funnel corresponds to a 3 kink with both double and adjacent single bonds twisted, which may initiate hula-twist isomerization.
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Currently, technical proposals are being reviewed for the construction of three units: a 32,000 bbl/d continuous catalytic reformer (CCR) unit; a 27,000 bbl/d isomerization unit; and a 62,000 bbl/d hydrotreater.
Energy profile of Iran
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After photoisomerization, a bathochromic (red-shifted) intermediate, called K, forms in 3 ps.
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The majority of quantitative reports have involved azobenzene, styryl or thioindigo structures, which undergo a cis-trans isomerization when photolyzed.
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In general, the isomerization occurs somewhat slower and exhibits a more disperse temporal behavior than for azobenzene.
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In addition to cracking, catalytic activities include dehydrogenation, hydrogenation, and isomerization.
Cracking
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However, isomerization of b-G6P occurs at a significant rate.
Irwin Rose - Autobiography
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More intriguing is a theoretical paper analyzing medium-dependent photoisomerization of benzaldehyde azine.
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It would result in lower lautering efficiency, poor hop isomerization and additional kettle caramelization something I forgot to mention before without the benefit of using less fermenter space.
Hey Barkeep! Have You Heard Of This High-Gravity Brewing Thing?
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Thus, a volume-conserving model seems to be needed for the isomerization of stilbene dendrimers with these large molecular weights.
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Photoisomerization studies were carried out using trans isomers as starting materials.
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The photoisomerization of C = C double bond is the basic subject of photochemistry.
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In addition, the isomerization of olefins with small molecular weight in glassy solvent at 77 K have been proposed to proceed by H-T mechanism.
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Photoirradiation of simple olefins such as stilbene resulted in mutual isomerization between cis and trans isomers both in the excited singlet state and in the triplet state decaying at the perpendicular excited state.
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We have since shown that this type of conical intersection structure is general for other alkene systems leading to carbene formation and cis-trans isomerization where possible.
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The various CLA are produced in the rumen of ruminant animals mainly by the bacteria Butyrivibrio fibrisolvens through reactions of isomerization and biohydrogenation.
Conjugated linoleic acid (CLA) and breast milk | The Blog of Michael R. Eades, M.D.
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Isomerization and alkylation of saturated hydrocarbons to provide high octane gasoline are of particularly great importance in the petroleum industry.
Hydrocarbons for the 21st Century - The Work of the Loker Hydrocarbon Research Institute
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Because the interconversion of the two tautomers is slower than the actual proton transfer reaction, a conformational change is probably associated with the isomerization.
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Hydrocracking also performs isomerization for pour-point control and smoke-point control, both of which are important in high-quality jet fuel.
Cracking
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Finally, the stereochemistry of stable cyclization products following the isomerization might provide experimental proof as discussed in the following section.
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As the chromophore is a polyene, there are several double bonds capable of isomerization.
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All operations were carried out on ice under a dim green safe light to prevent photodegradation, isomerization and structural changes of the pigments.
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Reforming represents the total effect of numerous reactions such as cracking, polymerization, dehydrogenation, and isomerization taking place simultaneously (Figure 9).
Cracking
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However, after isomerization, the planarity is lost, presumably due to intermolecular effects as well as steric hindrance between the carbonyl oxygen and the aromatic ring atoms.
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The change adiabatic temperature was small during coupling isomerization with aromatization of hexene - 1 , because both re.
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Reforming represents the total effect of numerous reactions such as cracking, polymerization, dehydrogenation, and isomerization taking place simultaneously (Figure 9).
Cracking
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The model reaction using ethanol as probe molecule could be used to characterize the acid function of a support, and thus provide useful instructions in selecting hydroisomerization catalyst supports.
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Among other applications, tungstated zirconia is used to improve the octane content of gasoline through a process called isomerization, in which a straight chain alkane molecule is converted into a branched chain molecule.
PhysOrg.com - latest science and technology news stories
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Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams
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The firm explained that hydrolysis, oxidation, polymerization, isomerization and cyclization are common chemical reactions in frying oil that produce both volatile and nonvolatile compounds.
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This is carried out by chemical and petrochemical industries in processes such as isomerization, alkylation homologation, etc.
Hydrocarbons for the 21st Century - The Work of the Loker Hydrocarbon Research Institute
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In addition to cracking, catalytic activities include dehydrogenation, hydrogenation, and isomerization.
Cracking
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For the pathway of cis-trans isomerization of olefins, we suggest distinguishing conjugated olefins (including stilbenes) of little polarity from other cases.
