搜索
BOD5,(,226500):BOD,(X,Y),BOD5GB/T748821987,BODBOD5BOD55%:BOD5;;;;:X830.2:B:100326504(2006)20050203BOD5,,,BOD5BOD5,,(X)BOD(Y),,BODBOD51BODGB/T748821987,BOD(X,Y),(X,Y),,BOD1.1Y=L0(1-e-kx),BOD,BOD,BOD[1],(X,Y)(X,Y)1.2BOD(X,Y)[2]:X123456789101215Y1.772.823.524.024.394.684.915.095.245.365.565.75:1/Y=0.144224+0.420438/Xr=0.999998[2],(X,Y)20r1,(1)(X,Y),1XYRE|RE|REmaxRE|RE|REmax|RE|xyX1X15y=5.586(1-e-0.3258x)104.5614.7076.55-12.692.8712.258.791/y=0.144224+0.420438/x-4.591.02-5.690.260.250.980.64X1X10y=5.407(1-e-0.3538x)40.487.9134.12-7.592.16-8.975.041/y=0.143786+0.421161/x-0.790.39-1.550.420.110.360.25():RExREx=(X^i-Xi)/Xi100%,REyRERERE,REmaxRE|RE||RE|xyXiYi2:(1957-),,,,2.1(X,Y)(1),,,,;r0.999;XiYiRE5%,BOD5RE2.5%,(X,Y),(X,Y)(BODnBOD5),(),(BODnBOD5)(X,Y)(2)(X,Y)052920068n,n((X,Y))(3)(X,Y),(X,Y)2.2(X,Y)61[3],XiYi,:(X,Y)BOD51(1),(X,Y)BODnBOD561(BODnBOD5),61(BODnBOD5):612371,,231101,71712,:X123456Y0.3888200.6307460.7967540.91381611.067495X;YBODnBOD5,;15d:1/Y=0.602445+1.968338/X,r=0.9999903BOD53.1,,BOD5,,202.20dBOD4.50mg/L,BOD5:2.201/Y2.20=0.602445+1.968388/2.201/Y2.20=1.497167,Y2.20=0.667928202.20dBOD4.50mg/L,BOD50.667928,BOD5=4.50/01667928=6.737mg/L,6.74mg/LBOD5:BOD5(mg/L)=BODn(0.602445+1.968388/n)n:3.2BOD,23(X,Y),(2),23d1d,:(1)(X,Y),(X,Y),23(X,223(X,Y)BODnBOD1BOD2BOD3BOD4BOD5821232323|RE|0.460.580.850.420.58REmax-2.161.871.511.862.05Y)12(Xi,Yi),124(Xi,Yi)(2)1d,BOD,(Xi,Yi)3.3BOD5,,,5min4(1)BOD,:abr(X1X3)(X1X15)10,,BOD5(2)(X,Y),,(2)(3),23BOD5,,(3),,3BODnBOD1BOD2BOD3BOD4BOD5821232323REmax13.356.144.02-2.730.39|RE|6.801.191.150.550.39REs4.371.610.820.540REmax(BODnBOD5)lg|REmax|=1.53527-0.34208nnr=-0.9434REs:REs=-0.95308+5.30164/nr=0.998023dBODBOD5(4)GB/T748821987,(53)15BOD5,2:,BrnstLewisBrnst,,,,,,,,,,,Lewis,Lewis,,Lewis123(285,)1,2,3,,,,,,,,,,[][1],,.[J].,2002,24(5):3012302.[2],,.[J].,2002,24:34235.[3],.[J].,2005,(3):35236.(2006206228;2006207212)BestCatalystofDerivativeMethodinCapillaryGasChromatographyXIANGXu2wei,WUPeng(NantongEnvironmentalmonitoringstation,Natong226001)Abstract:Derivativemethodisaveryusefulwayindetectingthetraceorganicsbycapillarygaschromatogra2phy,anditismoreandmoreextensivelyusedinvariousacids.Thebestconditionsforreactionwasfoundinexperimentsthatthetemperaturewas80,NaHSO4orFeCl3waschosenascatalystwiththecontentof2g.Keywords:gaschromatography;esterification;catalyst;sodiumbisulfate(51)(5),2.345d;,5d,BOD526d:1/Y=0.6096985+1.946972/X(6),,BOD,[][1].BOD[J].,1986,7(4):27234.[2].[J].,1988,(4):42.[3].[J].,1987,8(3):32.(2006206228;2006207218)RapidDeterminationMethodforBOD5PANRu,SUNFu2ming(EnvironmentalMonitoringStationofRugaoCity,Rugao226500)Abstract:Thekineticequationestablishedonthebasisofextensivemulti2groupsofexperimenteddatawithgoodrelativitywasusedincalculatingBOD5.ThemethodwasbasedonnationalstandardGB/T748821987,butBODvaluewasgotinrelativeshorttime.Therelativeerrorbetweencalculatingresultandmeasuringvaluewaslessthan5%.Keywords:BOD5;fastdetermination;dynamicequation;relativeerror35,