简介:FRIENDLYEXCHANGESIn-comingVisits1993July*Mr.SelwynRyan,awell-knownscholarfromTrinidadandTobagoandhiswife.*An8-memberdelegatio...
简介:Wepresentanewtestingsemantics,calledfriendlytesting,whosemainpropertyisthattheinducedpreorderbetweenprocessesContaininfrisconsistentwiththeconformancerelation,andsowehave,forinstance,a+bContaininfraContaininfra+b.ThenewtheoryisstronglybasedonDeNicola&Hennessy'sworkontesting.Friendlytestsaredefinedexactlyasintheirwork,exceptthatinternalactionsarenotallowed.However,inordertoobtainthedesirednotionoffriendlytestingthisrestrictionisnotenoughandwealsohavetorelaxtheconditionstopassatest.ThusweobtainanewtestingsemanticsandanewpreorderbetweenprocesseswhichisstrictlyweakerthantherelationContaininmust.Moreover,wepresentanaltrnativecharacterizationofournewtestingsemanticsbydefiningamodificationofacceptancesets.
简介:<正>AttheinvitationoftheChineseAssociationforInternationalUnderstanding(CAFIU),atenmemberdelegationof5NGOsfromPoland,Hungary,CzechandSerbia,headedbyMr.BartoszDominiakfrom"AmicusEuropae"FoundationofPoland,visitedChinafromApril14to23.Borninlate1970sand1980s,mostdelegatesarewell-educatedandveryperceptive.
简介:为了提高我刊质量,《英语通》高二版每期都开展“评刊”活动。此项活动得到了广大读者的广泛关注和积极响应.现已收到来自全国各地的大量来信。在“问卷调查”上认真做答,在此感谢大家的厚爱与支持。因版面有限,每期将选登2-4篇答卷与你共赏。并有奖品送给你。
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简介:Thispapermainlycoversamethodforpreparingahighlyalkalinemagnesiumlinoleatesolutionwithatotalbasenumber(TBN)valueof328mgKOH/gusinglinoleicacidasthebiodegradablerawmaterial,whichcansubstitutefortraditionallubricantdetergentsasanenvironmentallyfriendlydetergent.Reactionconditions,includingthemolarratioofmagnesiumoxidetolinoleicacid,themolarratioofmethanoltomagnesiumoxide,thecarbonationtemperature,themolarratioofwatertomagnesiumoxide,theflowrateofCO2gasandthedurationforinjectionofCO2tomagnesiumoxidesystem,wereoptimized.
简介:AttheinvitationoftheChineseAssociationforInternationalUnderstanding,a12-memberAfricanfriendlypeopledelegationvisitedChinafromMarch21to30.ThedelegationwasheadedbyPusoGaborone,ChairmanoftheHouseofChiefsofBotswanaandcomposedofNGOleaders,traditionalleaders,universitypresidentsandmediaprofessionalsfromBotswana,Kenya
简介:Asearlyasinthebeginningofthe1980's,theChineseAssociationforInternationalUnderstanding(CAFIU)startedexchangeswiththeFriendrichEbertStiftung(FES).SinceFESsetupitsBeijingofficein1987,fruitfulcooperationhasbeenconductedbetweenFESandCAFIU,andotherrelevantpartiesoftheChineseside.Overtheyears,FEShasmadepositiveeffortsandgreatcontributionsfordeepeninganddevelopingunderstandingandfriendshipbetweentheChinesepeopleandtheGermanpeople,andforpromotingtherelationsbetweenthetwocountriesandtwoparties,whichwehighlyappreciate.
简介:TheCDFcollaborationattheFermilabTevatronanalysesproton-antiprotoninteractionsatacenter-of=massenergyof2TeV.duringthethecolliderrunstartingthisyeartheexperimentexpectstorecord1Petabyteofdataandassociateddatasamples,TheDataHandling(DH)systemhasonlineandofflinecomponents.TheDHofflinecomponentprovidesaccesstothestoreddata,tostoredreconstructionoutput,tostoredMonte-Carlodatasamples,anduserowneddatasamples.Itservesmorethan450physicistsofthecollaboration.TheextrarequirementstotheofflinecomponentoftheDataHandlingsystemaresimplicityandconvenienceforusers.Morethan50millioneventsoftheCDFRunIIdatahavebeenalreadyprocessedusingthissystem.
简介:Duringthe200ormoreyearsofTang-Tubobilateralrelations,anddespitethewarsthatoftenoccurredowingtoconflictbetweentherulingclassesofeachside,harmonyandfriendlinessneverthelessprevailed.SowhatwerethereasonsbehindthisfriendlyTang-Tuborelationship?Thisarticleattemptstogeneralizefourfactorsandbrieflydiscusseachone.
简介:FriendlyCooperationBasedonFullTrust──CAFIUDelegationVisitedGermanyByWuXingtang吴学谦会长率交协代表团访德CAFIUdelegation,headedbyPresidentW...
简介:AttheinvitationoftheChineseAssociationForInternationalUnderstanding(CAFIU),a7-memberdelegationoftheInternationalInitiativesofChangeAssociationofJapan(IICAJ)headedbyToruHashimoto,AdvisorofJapanMizuhoFinancialGroup,PresidentoftheJapaneseBranchoftheDeustchBankGroupandPresidentoftheIICAJvisitedChinafromOctober10to16,2004.