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简介：Afterclasstheabsent-mindedprofessoraskedifanybodyhadseenhiscoat?“Youhaveiton,sir,”someonetoldhim.“Oh,thankyouverymuch,”hereplied.“Otherwise,Imighthave

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简介：HeBinglinwasbornonAugust24,1918inFanyuCounty,GuangdongProvince.HegraduatedfromtheChemistryDepartmentofSouthwestAssociatedUniversityin1942.AftergraduationheworkedinChongqingCentralInstituteofIndustryforoneyearasanassistantengineerandthenreturnedtohisAlmaMaterUniversity

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简介：ProfessorWuYu-mingwasborninDingxiCity,GansuProvinceofNorthwestChina.HeattendedNorth-westNormalUniversityinLanzhou,receivingtheBScingeographyin1993,andalsoaGraduateCertificateinHumanGeographyin1996atNorthwestNormalUniver-sity.HecompletedhiseducationatEastChinaNormal

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简介：<正>Supposethat{αk}k∞=-∞isaLacunarysequenceofpositivenumberssatisfyinginfαk+1/αk=α>1andthatΩ（y’）isafunctionintheBesovspaceB10,1(Sn-1)whereSn-1istheunitsphereonRn（n≥2）.Weprovethatif∫Sn-1Ω（y’）dσ（y’）=0thenthediscretesingularintegraloperatorTΩf（x）=∫(Sn-1)f（x-αky’）Ω（y’）dσ（y’）andtheassociatedmaximaloperatorTΩf（x）=∫Sn-1f（x-αky’）Ω（y’）dσ（y’）arebothboundedinthespaceL2（Rn）.ThetheoremsinthispaperimprovearesultbyDuoandikoetxeaandRubiodeFranciaintheL2case.

简介：韩碧英教授是在针灸部门ofGuang的一位主要医生汉语的中国学院的一所人医院医学科学。她从事临床的实践将近40年了并且积累了丰富的临床的经验，特别在临床的症候群区别。我是幸运的跟随教授汉在周末练习针灸并且向他学习。我现在为参考与证明的格介绍她的学术想法和临床的经验。

简介：GuoZhigang,male,Hannationality,wasborninOctober1954inBeijing.Heobtainedhisbachelor'sdegreeinDepartmentofIndustrialEconomicsandManagementofRenminUniversityofChinain1982;master'sdegreeinDepartmentofSociologyofUniversityofWesternOntarioinCanadain1985;anddoctor'sdegreeinPopulationResearchInstituteofRenminUniversityofChinain1990.Heengagedinteachingandresearchfrom1985to1999inPopulationResearchInstituteofRenminUniversityofChina.Currently,heisprofessoranddoctoraltutorofDepartmentofSociologyofPekingUniversity.