简介:Inthisarticle,theoperationstatusofBEPC/BSRFin1999/2000ismainlyreviewed.BEPRisdesignedtoserveasaresearchfacilityforbothelementaryparticlephysicsandsynchrotronradiationexperiments.Therewerethreemajortasksforacceleratorduringthisoperation:ProvidebeamstoBSRFforabout70dayswhichweredistributedintothreeperiods.operateforhighenergyphysicsexperimentsat1.55GeVtoacquiremorethan20millionJ/ψevents.andfinishthepreliminarilymachinestudieswhicharerelativetoBEPCfurtherupgradesandBEPC-IIprojectstudies.Withthecollaborativeeffortsofalltheacceleratorpeople,allthegoalswereachievedsuccessfullyatlast.
简介:SNDisasphericalnon-magneticdetector,whichoperatedsince1996atVEPP-2Melectron-positroncolliderinNovosibirsk.NowVEPP-2McolliderisdismantledtobereplacedbyanewVEPP-2000machinewithhigherenergyandluminosity.TheSNDdetectorisalsoperformingupgradeofitssubsystemsincludingelectronics,andsoftware,ExpectedsubstantialgrowthofeventsdataflowrequiresradicalchangesintheDataAcquisition(DAQ)systemsoftware.ThispaperdescribestheSND2000softwarearchitecrureanditsprincipalcomponents.Firstthemaineventsflowprocessuingcomponentsareconsidered-thereadoutprocessandtheL3-triggerfarm.AfterprocessingbyL3theeventsflowiseitherloggedtotapeorfedtocalibrationandslowcontrolprocess.Usingauxiliarycontrolandservicesoftwarecomponents,whicharealsodescribed.performsthemanagementoftheseactivities.
简介:Manyenvironmentproblemsofthefullusingofseveralcategoriesofprocessingincludemining,heatgenerators,directcombustionofforestfires,cementproduction,powerplant,transport,medicalwaste.Dioxin/furanreleasesfromthesecategoriesareoneoftheseenvironmentproblems.PossiblelinesofreducingthePCDD/PCDF(Polychlorinateddibenzo-para-dioxins/Polychlorinateddibenzofurans)releasesfromthesecategoriesareelucidated.Thecontributionofthispaperispresenttheidentificationandestimationofthelatestfigureofdioxin/furanreleasesintheclimateofenvironmentofJordanintheperiod2000-2008fromthefollowingcategories(cement,aluminum,ceramic,medicalwaste,powerplant,landfill,ferrousandnon-ferrousmetals,uncontrolledcombustionprocess(biomassburning,wasteburning,accidentalfiresinhouse,transport).ThesefindingshowsthesignofgrowthofestimatedPCDD/PCDFreleasesfromcategorieswhichdidnotcalculatedandfollowedafter2003.TheresultshowsthehighestPCDD/PCDFreleasefromlandfillfires(62.75gTEQ/year),medicalwaste(8.8264gTEQ/year),andtransport(3.0145gTEQ/year).Jordanseeksbynextyears,areductionintotalreleasesofdioxinsandfuransfromsourcesresultingfromhumanactivity.ThischallengewillapplytotheaggregateofreleasestotheairnationwideandofreleasestothewaterwithintheJordanarea.Jordanshouldconductairmonitoringfordioxininordertotrackfluctuationsinatmosphericdepositionlevels.
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简介:为Mn(II)的preconcentration的一个过程,Fe(II),公司(II),Cu(II),Cd(II),Zn(II),Pb(II)和Ni(II)被火焰AAS为环境样品的分析基于他们有在列的AmberliteXAD-2000树脂上的8-hydroxyquinoline(HQ)的建筑群的保留建议。象pH,eluent类型,卷,集中,流动率和样品答案的体积那样的各种各样的参数,和金属离子的保留上的矩阵干扰效果被调查。为在问题的金属建筑群的保留的最佳pHs除了为其价值是8的Mn2+是大约6。为从在最佳条件下面的树脂的这些金属和他们的恢复的吸附物的装载能力在范围是6.829.26mg