简介:OurJournalATAwasfoundintheWinterof1984atthebeautifulcoastalcityDalian,China,theEditorsinchiefwereProfessorC.K.Chui(abroad),andthelateProfessorM.D.Cheng(domestic).20years,itseemstobeshort,however,theJournalhasdevelopedquicklyandchangedalot.
简介:Directconversionoffructose-basedcarbohydratesto5-ethoxymethylfurfural(EMF)catalyzedbyLewisacidinethanolwasinvestigated.ItwasfoundthatBF3(Et)2Owasfavorablefor5-hydroxymethylfurfural(HMF)etherificationtoEMF.BF3(Et)2OcombinationwithAlCl36H2Owiththemolarratioof1wasaneffectivecatalystsystemforsynthesisofEMFfromfructose-basedcarbohydrates.55.0%,45.4%and23.9%ofEMFyieldswereobtainedfromfructose,inulinandsucroseunderoptimizedconditions,respectively.
简介:SECRALIIisthesecondfullysuperconductingECRionsourcedevelopedatIMP.It’salmosttheduplicateofSECRAL,exceptforthecryogenicsystem[1].SECRALIIhasintegratedLHerecondensationsystem,whichhasthedynamiccoolingcapacityofmorethan5W.ThemainparametersofSECRALI&IIareshowninTable1.ThemagnetsofSECRALIIhasbeensuccessfullyfabricatedandtestedin2015.In2016,SECRALIIhasbeencommissionedat18and28GHzwithOandXeionbeams,whichhasgivenverypromisingresults.