| 释义 |
Definition of olefin in English: olefin(also olefine) noun ˈəʊlɪfɪnˈoʊləfən Chemistry another term for alkene Example sentencesExamples - Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization process
- Such investment will be made in the production of plastic pellets, olefins, and aromatics.
- I've never done an olefin metathesis reaction, which means that the trend started without me and will leave without me.
- 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.
- Whatever the feedstock, the product slate is a complex mixture of hydrogen, ethylene, other olefins, diolefins and gasoline as well as smaller amounts of acetylenes and carbon monoxide.
- By use of the present invention it is possible to produce an olefin polymer with high stereoregularity, broad molecular weight distribution, and good fluidity, at high rates of yield.
- The company said the quarter saw a decline in international prices of olefins, polymer as well as fibre-intermediate on the back of weaker crude oil prices compared with the trailing quarter.
- It is preferred that the top membrane portion and the base membrane portion are made from thermoplastic olefin material or polyvinyl chloride material.
- Sharpless had begun his investigations into the oxidation of olefins after starting work as an assistant professor at the Massachusetts Institute of Technology in 1970.
- The material is a thermoplastic olefin nanocomposite.
- Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams
- Process for the preparation of an olefin polymer using metallocenes having specifically substituted indenyl ligands
- Thermoplastic olefin was considered instead of the vinyl substrate covering.
- Classes of polymers used in integrated optics include acrylates, polyimides, polycarbonates, and olefins.
- The second phase comprises an organic solvent containing soluble reagents such as olefins.
- For the pathway of cis-trans isomerization of olefins, we suggest distinguishing conjugated olefins (including stilbenes) of little polarity from other cases.
- The device has three injection-molded elements made of a cyclic olefin copolymer: the lid, a mixing chamber and a delivery cartridge.
- There are four large plants here - Qenos resins, plastics, elastomers and olefins.
- Ethylene, a two-carbon olefin, is a volatile hormone in higher plants.
- Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.
OriginMid 19th century: from French oléfiant 'oil-forming' (with reference to oily ethylene dichloride). Definition of olefin in US English: olefin(also olefine) nounˈoʊləfənˈōləfən Chemistry another term for alkene Example sentencesExamples - Ethylene, a two-carbon olefin, is a volatile hormone in higher plants.
- Such investment will be made in the production of plastic pellets, olefins, and aromatics.
- For the pathway of cis-trans isomerization of olefins, we suggest distinguishing conjugated olefins (including stilbenes) of little polarity from other cases.
- The device has three injection-molded elements made of a cyclic olefin copolymer: the lid, a mixing chamber and a delivery cartridge.
- 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.
- The second phase comprises an organic solvent containing soluble reagents such as olefins.
- Sharpless had begun his investigations into the oxidation of olefins after starting work as an assistant professor at the Massachusetts Institute of Technology in 1970.
- Whatever the feedstock, the product slate is a complex mixture of hydrogen, ethylene, other olefins, diolefins and gasoline as well as smaller amounts of acetylenes and carbon monoxide.
- Process for selective hydrogenation of highly unsaturated compounds and isomerization of olefins in hydrocarbon streams
- The company said the quarter saw a decline in international prices of olefins, polymer as well as fibre-intermediate on the back of weaker crude oil prices compared with the trailing quarter.
- By use of the present invention it is possible to produce an olefin polymer with high stereoregularity, broad molecular weight distribution, and good fluidity, at high rates of yield.
- Process for the preparation of an olefin polymer using metallocenes having specifically substituted indenyl ligands
- There are four large plants here - Qenos resins, plastics, elastomers and olefins.
- Classes of polymers used in integrated optics include acrylates, polyimides, polycarbonates, and olefins.
- Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization process
- The material is a thermoplastic olefin nanocomposite.
- I've never done an olefin metathesis reaction, which means that the trend started without me and will leave without me.
- It is preferred that the top membrane portion and the base membrane portion are made from thermoplastic olefin material or polyvinyl chloride material.
- Thermoplastic olefin was considered instead of the vinyl substrate covering.
- Epoxidation, the conversion of an olefin (an unsaturated alkene hydrocarbon) to a cyclic ether through reaction with hydrogen peroxide, a peracid, or oxygen, is an important chemical technique.
OriginMid 19th century: from French oléfiant ‘oil-forming’ (with reference to oily ethylene dichloride). |