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31. Methods: The naphtha in Alpinia officinarum Hance was extracted and analyzed by GC to establish the fingerprint spectrum.

32. Objective:To extract and determine naphtha in fruit of Cuminum cyminum .

33. The fiber separating water-wash naphtha combination machine has high efficiency, large throughput, better product quality and can save human and non human sources.

34. Study of coke formation during FCC naphtha cracking was carried on a laboratory fixed - fluidized bed reactor.

35. Mix pure alcohol and naphtha in a ratio of 3:7.

36. Rising demand for naphtha results from the rapid growth of ethylene cracking capacity, along with that of the broader petrochemical and plastic industries.

37. The tubular reactor of Daqing naphtha pyrolyzer is simulated by a two - dimensional model.

38. A person familiar with the refinery set-up said that a naphtha pump could refer to a unit that transfers the light fuel into a hydrotreater before it is reformed into gasoline.

39. Other are less common, can include ethane, propane, butane and light and heavy naphtha.

40. Further, the previous analysis value of the naphtha dry point was regarded as a new independent variable for the soft sensor and the predicting correctness of the soft sensor was enhanced remarkably.

41. A refined petroleum naphtha, by its composition suitable for use as a carburant in internal combustion engines.

42. The catalyst is applicable to the hydroisomerization of the FCC naphtha.

43. Objective:To detect effects of Turmeric rhizome naphtha (TRN) on cell growth and gene expression of hepatocarcinoma cell SMMC-7721.

44. This study was based on the existing production unit with hydrotreated naphtha and the C6-C7 fraction of the reformate as feedstocks and sulfolane as solvent.

45. Various solvent naphtha fraction generally have to go through refining.

46. The mixed solvent consists of solvent naphtha, decalin, and petroleum ether in a certain proportion[Sentencedict.com ], which was used to synthesize 3-sulfo p-anisidine by using p-anisidine as raw material.

47. Aircrafts have continued to fly on aviation fuels, kerosene fuel or a wide-cut fuel blended from heavy naphtha and kerosene, burned in the gas turbine combustor for many years.

48. A novel adapting partial least square regression (APLS R) approach was proposed to develop the naphtha dry point soft sensor of the primary distillation tower.

49. The coking and deactivation of virgin naphtha aromatization catalyst are studied on isothermal reactor.

50. Methods:To apply microwave extraction to determinating content of naphtha in fruit of Cuminum cyminum .

51. The article introduces development status of solvent naphtha productive technology both home and abroad.