简介：ＡＮＥＷＣＥＲＡＭＩＤＥＦＲＯＭＴＨＥＭＡＲＩＮＥＳＰＯＮＧＥＢＩＥＭＮＡＳＰ．￥ＺｈｉＺＥＲＧ；ＬｏｎｇＭｅｉＺＥＮＧ；ＪｉｎｇＹｕＳＵ（ＤｅｐａｒｔｍｅｎｔｏｆＣｈｅｍｉｓｔｒｙ，ＺｈｏｎｇｓｈａｎＵｎｉｖｅｒｓｉｔｙ，Ｇｕａｎｇｚｈｏｕ，６１０...

简介：Theeffectofpressureoncombustionandheattransferisanalyzed.Theresearchisbasedonthebasiccombustionandheattransfertheorem.Acorrectionfortheheatcalculationmethodforpressurizedfurnaceismadeonthebasisofthenormalpressurecase.Thecorrectiontakestheeffectofpressurizingintoaccount.Theresultsshowthatthecorrectionisreasonableandthemethodisapplicabletocombustionandheattransferofthemarinesuperchargedboiler.

简介：ProposedbyProf.WANGDezhao,HonoraryPresidentoftheAcousticalSoci-etyofChina,andsponsoredbytheIntergovernmentalOceanographicCommissionofUNESCO,theInternationalWorkshoponMarineAcousticswasheldduringMarch26—30,1990.TheWorkshoporiginatedfromanIOCExpertConsultationheldintheearly1980‘s,inwhichthecloserelationshipbetweenacousticsandoceanographywasemphasizedandthesuggestiononorganizinganinternationalworkshoponmarineacousticsbytheIOCandrelatedorganizationswaspresented.Afteryears‘effortsmadebytheIOC,theChineseAcademyofSciences,theStateOceanicAdmini-strationofChinaandtheChinaAssociationforScienceandTechnology,this

简介：Marineorganismsaretheimportantsourceofthebioactivemetabolites.Anovelenolicsulfatedsterol,arenicolsterolA,hasbeenisolatedfromamarineannelidArenicolacristatacollectedinthecoastofMainlandofChina.ThestructurewaselucidatedusingallsortsofspectroscopicdataincludingESIMS,1Dand2DNMRetc.ThecytotoxicbioactivityofthissterolwasevaluatedbyMTTassay.Itcouldinhibitthegrowthofhumancervixcancercellline(Hela)andhumannon-smallcelllungcancercellline(NCI-h6)withIC50of(3.1+0.6)μg/mLand(7.6+0.8)μg/mL.