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31, The synthesis methods of chalcone and benzene ring alkylation are discussed.

32, The hydrophobic property of the resin has remarkably improved by adding the hydrophobic group of benzene ring to the molecular structure of the resin.

33, Regular exposure to benzene, the skin but because of defatted anddesiccatedry, some occurrence of atopic eczema.

34, The surrounding area of the coke oven, the raw coal gas purification workshop and the coal tar and crude benzene processing workshop would be the most serious pollution area of the coking plant.

35, The propyl benzene latex with fine grain diameter for coating paper surface paint of the invention is an environmental-friendly high-property product which can be used by paper making paint.

36, The values of the two-phase distribution constants between three organic solvents of chloroform, benzene, n-hexane and water have been determined by means of two-phase titration.

37, The kinetics of hydrodealkylation of toluene into benzene on CrMo catalyst was studied.

38, Divinyl benzene(DVB) was more effective than ethyl glycol dimethyl methacrylate(EGDMA) to make polymer crosslinked.

39, Radiation, benzene and alkylating agents all appear to have a threshold level below which aplastic anaemia will not occur.

40, When the substituent at the benzene ring and the N atom of aniline, the HDAC inhibition activity is different from that of SAHA.

41, The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.

42, So man insert the substituent to benzene or pyrazoline in order to improve the wet photostability. On the other hand, 1,3-diaryl-2-pyrazoline is the important medical intermediate.

43, In the recovery of used acid from coking refined benzene by means of salting-out-extraction process, small amount of acid tar slag is produced.

44, Objective To investigate the contaminated condition of formaldehyde, benzene series, radon in doors air of newly decorated residences.

45, Directing Effects in Aromatic Substitution . Nucleophilic Aromatic Substitution . Strategies in the Synthesis of Multisubstituted Benzene Derivatives.

46, This paper determine tiny benzene and toluene of the waxes by head-space gas chromatograph with Flame Ion Detector. The method is accure(Sentencedict), rapid and repeatable easily.

47, This technique cut off benzene and acetonitrile weakened the toxicity, reduced the production cost.

48, The invention relates to an erasable two-photon polarized multivariate, multistage and multilayer optical storage technology based on a bisazo benzene polymer.

49, Products such as methane chloride, gourmet powder, sorbierite, rutile, freon and benzene series were mostly produced in the east plant compound.

50, In addition, still can give the mental analeptic of small dose thing, be like: Benzene third amine and ester of Pai vinegar armour, issue application in doctor guidance when necessary.

51, We analyzed theoretically and computed numerically the transmission spectrum of azo - benzene doped POF LPG.

52, Membrane filtration technology emerged difficult to deal with some materials containing benzene ring in the printing and dyeing wastewater.

53, The solid acid catalyst of supported heteropoly acid used for the synthesis of linear alkylbenzene from benzene and dodecene was characterized by using XRD, SEM, TEM and FT-IR.

54, The cyanate Resin is modificated by styrene and divinyl benzene , which are called active diluent.

55, Using acrylate as monomer, divinyl benzene as crosslinking agent, chloroform as microvoid agent, acrylate resin was synthesized by means of suspension polymerization. It had low crosslinking density.

56, A gas chromatographic method is described for determining benzene carboxy - lic acids and esters.

57, The dominant reaction pathways and the effect of reaction temperature and type of zeolites on the yield and selectivity of benzene formed during catalytic cracking of cumene were investigated.

58, This article analyses the reasons of the indoors air pollution production and brings up the pollution mainly consists of formaldehyde, benzene series, ammonia and radon.

59, One system found on the basis of HPLC system, which was suit for high temperature. The temperature selectivity was studied through analyzing benzene homologue and aromatic hydrocarbons.

60, In this reaction, besides substitution products thiophenol etc, the reduction product benzene is formed.