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31. A capillary GC method with FID detector for the determination of residual organic solvents ethanol, isopropanol, dichloromethane, n-hexane, tetrahydrofuran, DMF and dimethyl malonate was established.

32. Sulfuric acid dimethyl ester, one of the important chemical raw materials acts as the methylating agent in the organic synthesis for the purpose of replacing alkyl halide.

33. This paper introduces the synthesis techniques of N, N - dimethyl formamide and the production situation in the world.

34. Simulation calculations were carried out of the extractive distillation process for separation of butadiene 1,3, using DMF(N, N dimethyl formamide) as solvent.

35. The copolymers show good solubility in N, N-dimethylformamide (DMF), dimethyl sulphoxide (DMSO), N-methyl-2-pyrrolidone (NMP) and some inorganic acids like H2SO4.

36. In this paper, three alkyl substituted dimethyl phosphonates have been synthesized by trimethyl phosphite with 1-Bromopentane, 1-Bromohexane and 1,2-Dibromoethane.

37. Removal characteristics of hydrogen(H2S), dimethyl and methanethiol by peat tower inoculated with mixed strains were observed.

38. Green environmental protection, harmful solvents are free such as dimethyl benzene, methanal ect.

39. The progress of technological remoulding of butadiene extraction with dimethyl formamide (DMF)as solvent by GPB method in Beijing Yanshan Petrochemical Corporation was reviewed.

40. Mixed dibasic acid dimethyl ester was synthesized from methanol and mixed dibasic acid, the byproduct of adipic acid, using sodium sulfate monohydrate as catalyst.

41. The dominant bacteria, which can remove methyl sulfide such as methanethiol(ME), dimethyl sulfide(DMS) and dimethyl disulfide(DMDS), were enriched and cultured by activated sludge process.

42. The catalysts and reaction conditions have been studied for esterinterenange between propenyl carbonate and methanol to produce dimethyl carbonate (DMC).

43. The synthesis of ethyl methyl carbonate(MEC) using the transesterification of ethanol and dimethyl carbonate(DMC) catalyzed by K 2CO 3 under certain temperature was studied.

44. N - dimethyl nitrosamine in food was extracted by Dichloromethane and determined by SIM with gas chromatography - mass spectrometry.

45. Triphosgene has rapidly emerged as an important green chemical product in recent years. It is synthesized by photo-catalyzed chlorination of dimethyl carbonate.

46. It is a colourless, flammable liquid with a characteristic smell, miscible with water, alcohol, ether, chloroform and most oils. Also called Dimethyl ketone, Methylacetyl, Propanone, Pyroacetic ether.

47. The adsorption, desorption performance of strong acidic ion-exchange fiber(IEF) for unsymmetrical dimethyl hydrazine(UDMH) was investigated.

48. Ingredients: Deionized water, glycerin, shea butter, dimethyl silicon oil, glycerin monostearate, jojoba oil, acrylic polymer, imidazolidinyl urea, compound VE, methylparaben, HA, essence,[http://sentencedict.com] etc.

49. Four organic solvents hadn't any inhibiting effect on target pathogens, expect that dimethyl sulfoxide had a little inhibiting effect on wheat powdery mildew in vivo experiment.

50. Properties of dimethyl fumarate were briefly introduced which included physical properties and action mechanisms.

51. Dichloro - dimethyl hydantoin is white powder or granules containing 64 . 45 % avail able chlorine.

52. The application of dimethyl carbonate in thermoplasticacrylic varnish, pyroxyline varnish, alkyd varnish and PU vamish are introduced.

53. A cyanide free silver electroplating process with 5, 5 - dimethyl hydantoin as coordination agent is studied.

54. Several zeolite catalysts were selected to convert 1 hexene to 2,3 dimethyl 2 butene (DMB 2) in this work. ZSM 35 and SAPO 11 zeolite are suitable skeletal isomerization catalysts.

55. Dimethyl benzene-induced auris swelling model in mice and carrageen-induced feet swelling model in rats were established to observe the anti-inflammatory effects.

56. By using cation exchange resin modified cerium sulfate as the catalyst, itaconate acid and methanol reacted to form dimethyl itaconate.

57. In this paper, a new chloroform production process by reaction of chlorinated oil with dimethyl amine instead of lime is introduced, in which N, N- dimethyl methanamide is coproduct.

58. Catalyst and method for preparing 1, 5 pentanediol by hydrogenation of 1, 5 dimethyl glutarate.

59. The thermoplastic polyester-ether elastomer(TPEE) was synthesized with dimethyl terephthalate(DMT), 1,4-butylene-glycol(BG), polytetrahydrofuran(PTMG) as raw materials.

60. The CPV - dsRNA were denatured and melted into ssRNA with 90 % dimethyl sulfoxide dr 8 M urea.