1) Component (B): an olefin resin.

2) Olefin gas closely approximates air.

3) Process flow of olefin conversion unit is introduced.

4) Methods Use the Vaseline and Fluid Olefin as the base to prepare the Folium Callicarpa Nudiflora Ointment. Adopt UV-VIS to determine the contents of Flavones.

5) The alkylation of isoparaffin with olefin is an important process of petroleum processing.

6) Disclosed is a flame-retardant silane-crosslinked olefin resin composition having excellent flexibility and gasoline resistance.

7) Nickel - based olefin polymerization catalysts are new - type catalysts, which have attracted much attention in recent years.

8) Its packaging liquor consists of perchlorinated olefin compound resin, organic solvent colloidal solutions of ketone, acetic ester and benzoic ester and dye.

9) In hydroformylation of aliphatic olefin, although regioselectivity was low, the major product depended on the selectivity of catalyst. Development direction of metal-NHC complexes was prospected.

10) Flame-retardant silane-crosslinked olefin resin composition, insulated wire, and method for production of flame-retardant silane-crosslinked olefin resin.

11) According to the mechanism , olefin protonation is a process of acid-alkali reaction , so the reaction is easy to happen when the acidity of catalyst and the basicity of olefin are very strong .

12) Cyclic Olefin Copolymer ( COC ) is an amorphous polymer made by several polymer manufacturers.

13) Methods: 32 olefin slices of precancerosis mesentery treated by pregnancy hormone before an after, were detected the ER. PR of endometrium with the monoclonal antibody immunity histochemistry method.

14) The effects of catalyst dosage, the ratio of benzene to olefin, reaction temperature and reaction time on the yield of alky-benzene and the quality of alkylate were investigated.

15) The invention provides a catalyst used for preparing para-xylene and low-carbon olefin movable bed by selective methylation of toluene with methanol.

16) The system and the method for preparing high-quality petrol by hydrogenation after recombining component oil refining hydrocarbon cannot only remove olefin, but also can remove thioalcohol and diene.

17) The invention provides a process for the preparation of a chemical derivable from an olefin oxide.

18) Also provided is a process for narrowing the molecular weight distribution of a polyolefin comprising contacting an olefin, a Ziegler-Natta catalyst and a compound specified herein.

19) The catalytic systems containing the surface-active phosphine show a clear matching relation between the length of olefin chain and hydrophobic chain of the surface-active phosphine.

20) These fabrics are made of such fibers as polypropylene, olefin, polyester, nylon, and acrylic.

21) The applications of palladium membrane in the reaction system for producing olefin and hydrogen were introduced.

22) The invention relates to a method for preparing single salicylaldehyde imine vanadium olefin polymerization catalyst and application of the catalyst in catalyzing ethylene polymerization.

23) Further disclosed is a method for producing a flame-retardant silane-crosslinked olefin resin.

24) Sinopec's new test standards for blended oil now surpass international quality criteria, since they measure indicators for olefin contents and Dimethoxymethane.

25) Also, coking top cycle oil as raw oil is better than soft wax as feed through cracking olefin to synthesise lube oi...

26) It was found that hydrogenated coker gas oil and coker gasoline were suitable for producing ethylene due to higher olefin yields, less coking and better economic efficiency.

27) The experimental results showed that bimolecular reaction pattern was dominant over catalyst A, which resulted in lower dry gas yield and lower olefin content in cracked naphtha.

28) The invention discloses a catalyst for preparing paraxylene and low-carbon olefin by methyl alcohol conversion,[http:///olefin.html] a preparation method and application thereof.

29) Research result showed that with reaction temperature rising, the content of total paraffin and isoparaffin in FCC gasoline decrease while olefin and aromatics increase.

30) Ionic liquid can be used as green solvent in homogeneous catalysis. This paper reviews the recent development of hydroformylation of olefin in ionic liquid.

31) The double lift pipe catalytic cracking process and apparatus for modifying inferior petrol in petroleum processing aims at reducing the olefin content and sulfur content in petrol greatly.

32) The paper has reviewed the analysis method, the gas chromatography and the near infrared spectroscopy for determining olefin and aromatic hydrocarbon content in gasoline.

33) Recent advances in hydroformylation of olefin catalyzed by metal-N-heterocyclic carbene (NHC) complexes especially Rh-NHC complex were reviewed on with an intention to promote relevant research.

34) The invention also provides a process for the epoxidation of an olefin and a process for the preparation of a chemical derivable from an olefin oxide.

35) Recent advances in ring closing metathesis ( RCM ) reaction, including olefin and enyne metathesis reaction are reviewed.

36) And the synergistic effects among the sulfurized olefin, the phosphates and the N-containing derivant were also evaluated.

37) Also, coking top cycle oil as raw oil is better than soft wax as feed through cracking olefin to syn...

38) The present invention relates to the preparation of binuclear olefin polymerizing post-metallocene post-transition metal catalyst.

39) A gas distribution plate for fluidized - bed, olefin polymerization reactors is provided.

40) The olefin oligomerization is an effective approach to produce motor fuels, detergent feedstock, lubricants, plasticizers and other chemicals.

41) Nickel - based olefin polymerization catalysts are new - type catalysts, which have been attracted much attention in recent years.

42) Experiments demonstrated that Anti-2- nonyl olefin aldehyde, furan aldehyde and 2-methyl aldehyde etc. had direct relation with aging flavor.

43) Ozone is formed in the reaction, and a nitro derivative of the olefin.

44) The root cause of forming "bottleneck " in demethaninzer of separating olefin plant is found to be insufficient designed capacity through analyzing demethaninzer system.

45) The technical features, process design and commercial application of FDFCC cracked naphtha olefin reduction were described.

46) Also, coking top cycle oil as raw oil is better than soft wax as feed through cracking olefin to synthesise lube oil.

47) The main characteristics of Chinese gasoline quality development in recent years are featured by phasing-out leaded gasoline and reducing poisonous substance like olefin.

48) Especially, the ionic iridium complex of the phosphine oxazoline ligand obtains excellent reactional activity and enantioselectivity in the asymmetric hydrogenation of imine and olefin.

49) The recent progress in the immobilization of non - metallocene olefin polymerization catalyst is reviewed.

50) Methanol - to - olefin and low - value olefin cracking integrated technologies are other effective approaches to ...

51) Market sentiments for olefin were also affected due to deteriorating environment of petrochemical industry.

52) The submitted plastic complies with the FDA Specifications for polyethylene olefin polymers requirement.

53) Some typical oxidation reactions of alkane, olefin[], and arene in supercritical CO2(scCO2)are introduced in this review.

54) Solid titanium catalyst component, process for preparing same, olefin polymerization catalyst containing same and olefine polymerization process.

55) A is a surface protective film with low adhesive, which is mainly made of special olefin polymerization processed by our independently developed multi-layer coextrusion technology.

56) For higher olefin that has poor solubility in water, the hydroformylation reaction rate is much less than short-chain alkenes.

57) The olefin cracking and the pentene isomerization over zeolites are two very important reactions in the petrochemical industry.

58) We use synthetic materials such as nylon, polyester,[http:///olefin.html] acrylic or olefin.

59) The progresses in five - membered heterocyclic metallocene analogic complexes and their application in olefin polymerization are reviewed.

60) The content of naphthene, total paraffin, olefin and aromatics in FCC gasoline increased or decreased alternately with the change of space velocity.

61) The olefin content in gasoline fraction increased with the decrease of reaction temperature, CTO and WHSV.

62) The invention discloses a bimetallic catalyst precursor for catalyzing olefin to polymerize or copolymerize and belongs to the field of olefin coordination polymerization.

63) Calculations concerning operation conditions of Daqing Olefins Plant EF-111E furnace by a two dimensional pyrolyzer model showed that olefin yields of the furnace could be further increased.

64) Application: Mainly be used for pharma material , agriculture chemicals and organic synthesis. As Ziegler-Natta-type olefin polymerisation catalyst in PP and PE polymerisation.

64) try its best to collect and create good sentences.

65) Actually, expire the milk of ache slightly can be become the substitute of olefin, caky milk is classy olefin more.

66) Heavy oil recovery rate can be increased and gasoline olefin hydrocarbon content can be decreased effectively by catalytic cracking operation parameters optimization.

67) The olefin readsorption mechanism based on the carbide mechanism depth.

68) This standard applies to oil candle, do not apply to oil grease, microcrystalline candle, and the mixture of oil grease, microcrystalline candle and olefin or paraffin scale.

69) A detailed study by means of quantum mechanics CNDO/S on the UV spectrum of olefin hydrocarbon homologous compound has been made.

70) Four-ball machine tests were performed to study the synergetic effects of Cu nanoparticle and sulfurized olefin cotton oil.

71) This paper studies the effects of gasoline sulfur and olefin content on vehicle exhaust emissions.

72) With the increase of injected water dosage, the olefin yield and selectivity increased, and the coke yield decreased.

73) The improvement on production technique of sulfurized olefin abroad was described, the improved technique was compared with the traditional one.

74) Hydroaminomethylation of olefin is an efficient method for the synthesis of various amines.