学科分类
/ 6
120 个结果
  • 简介:<正>TherulesofMIPreactionsforcatalyticcrackingofsulfurcompoundsanditsinfluenceonthesulfurcontentintheMIPnaphthawerestudied.ThemamfactorsinfluencingthesulfurcontentintheMIPnaphthawerethoughttobethesulfurcontentoffeedstockandwerecloselyrelatedwiththeolefincontentofnaphtha.TakingintoaccountthecharacteristicfeaturesofMIPprocess,themethodsforreducingthesulfurcontentintheMIPnaphthawerecomprisedofdecreasingthesulfurcontentoffeedstockbyhydrotreatinganddecreasingtheolefincontentofnaphthathroughpromotinghydrogentransferreactions.Therefore,theEuroⅣcleangasolinewithlowsulfurcontentandlowolefincontentcouldbeobtaineddirectlythroughtheMIPtechnology.

  • 标签: FCC MIP process GASOLINE SULFUR content
  • 简介:1~4月,规模以上工业企业实现主营业务收入37.7万亿元,同比增长13.5%;发生主营业务成本32.2万亿元,增长13.4%;主营业务收入利润率为6.04%.同比提高O.53个百分点。4月末,规模以上工业企业资产总计105.4万亿元,同比增长7.9%。1~4月,规模以上工业企业每百元主营业务收入中的成本为85.51元,同比减少0.06元;每百元资产实现的主营业务收入为108.7元,

  • 标签: 业务收入 工业企业 同比增长 企业资产 主营业务 利润率