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610081*。doi10．3969/j．issn．1000－5757．2010．10．114O433．4A1000-5757201010-0114-03。。GB/T5009．48－2003《》440ml/GB2757－1981。、722325nm～1000nm±2nm≤1nm±0．5%T≤0．2%T5nm≤0．5%T360nmNaNO20－125%T－0．097－2．000A0－1999C0－1999F≤0．005A/λ500nm/30min。11/ml01234512ml0．00．20．40．60．81．00．60．60．00．20．40．60．81．00．050．06A10．0000．0630．1250．1840．2340．3150．017A20．0000．0610．1380．1760．2370．3050．020、。。。。12。。Q。。1。1.A1I4112610Vol．26JOURNALOFSICHUANCOLLEGEOFEDUCATION201010Oct．2010*2010-10-091982—。2.A0．0170．05mg。3.X1=A1V1×1000×100X1———g/100mlA1———mgV1———ml。A1=0．05mgV1=0．6mlX1=0．0083g/100ml2。1.y=a+bx∑xi、∑yi、xi2、yi2、xiyi、x－、y－2xiyixi2yi2xiyi00．0000．0000．0000．0000．00010．2000．0610．0400．0037210．0122020．4000．1380．1600．019040．0552030．6000．1760．3600．030980．105640．8000．2370．6400．056170．189651．0000．3051．0000．093030．3050Σ3．0000．9212．2000．20290．6676x－=0．5000y－=0．154b=Σxiyi－1nΣxiΣyiΣxi2－1nΣxi2=0．2959a=y－－bx－=0．00625y=0．00625+0．2959xγ=bΣxi2－1nΣxi2Σyi2－1nΣyi槡2=0．9983n。。3γ、nγn90%95%99%99．9%30．9880．9970．99980．99999940．9000．9500．9900．99950．8050．8780．9590．99160．7290．8110．9170．97470．6690．7550．8750．95180．6620．7070．8340．92590．5820．6660．7980．898100．5490．6320．7650．872110．5210．6020．7350．847120．4970．5760．7080．823n=6γ=0．998399．9%。0ax－、y－2II2.A0．0200．06mg。3.X2=A2V2×1000×100X2———g/100mlA2———mgV2———ml。A20．06mgV20．06mlX2=0．01g/100ml、GB/T5009．48－2003GB2757－1981。GB/T5009．48－2003≥0．10g/100ml≤15＜0．10g/100ml≤20。X1=0．0083g/100mlX2=0．01g/100ml＜0．10g/100ml≤20。x︳=︳X1+X2︳2=0．009220×︳x︳=0．0018︳X1－X2︳=0．0017︳X1－X2︳＜20×︳x︳GB/T5009．48－2003。GB2757－1981≤0．04g/100ml。511262120．0092g/100ml0．0092g/100ml＜0．04g/100ml440ml/。。1．M．200280－88．2．M．2002631－633．3GB2757－1981S．4GB/T5009．48－2003S．DataProcessingofSpectrumAnalysisandResultsReportingZHANGDe－RongDepartmentofBiologicalandChemicalEngineeringTheIndustrialSchoolofChengduChengdu610081ChinaAbstractInthecourseofprocessingspectrumdataunclearideasandinappropriateapproachesleadtotheerrorsintheresults．U-singabsorptionspectroscopytodeterminatecontentofmethanolofdistilledliquorsandtheliquorsproducedbymixingwithalcoholthispaperprobesintotherightwayofdataprocessingandresultinanalysisofspectrum．Keywordsspectrumanalysisdataprocessingthestandardcurveregressionequationprecision113ComparisonofMultimediaandTraditionalPhysicsTeachinginHighSchoolsXUETao1XUEMin2YUWeiwei21.DepartmentofPhysicsandElectronicTechnologySichuanCollegeofEducationChengdu611130China2.SchoolofTeachersTeachingSichuanNormalUniversityChengdu610068ChinaAbstractTheintegrationofmultimediaandhighschoolphysicsteachinginsecondaryschoolteachingpracticepromotesthenewcur-riculumreformgreatly．Thispapermakesacomparativestudyonmultimediateachingandthetraditionalchalk+boardteachingbyse-lecting198freshmenandsophomoresofNo．2middleschoolofWenjiang．theresultsshowthatfirsttheperformanceofstudentsacceptingmulti－mediateachingisbetterthanthatofstudentsintraditionalclassessecondtheaveragedifferencebetweenboysandgirlsintheex-perimentalclassissmallerthandifferenceinordinaryclassesthirdthedifferenceofaveragescoreofgirlsinexperimentalclassandtheregularclassesisbiggerthanthatofboys．Finallythepaperexploresthecausesofthedifferencebyinterviewingstudentsandteachersandproviessuggestionsforteachers＇teachingwithmultimedia．Keywordsphysicaleducationmultimediateachingtraditionalteachingnewcurriculumreform611201010