,2017,37(4): 犃犮狋犪犅狅狋. 犅狅狉犲犪犾. 犗犮犮犻犱犲狀狋. 犛犻狀. : (2017) 犱狅犻 : /j.issn "#$%&3' ( )*+,-./0,,
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- 桧默 桂
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1 ,2017,37(4): 犃犮狋犪犅狅狋. 犅狅狉犲犪犾. 犗犮犮犻犱犲狀狋. 犛犻狀. : (2017) 犱狅犻 : /j.issn "#$%&3'( )*+,-./0,, ) 1 :CDE( 犓狅犫狉犲狊犻犪 ) D FG $HG,IJ KL MN O, P.3Q RS TUV W X*+ Y,/, Z [ 100 m % \ 1] < ^ _ ` D 1 abc, 8]<^, <^ G, I I 3 G C D, C D ( 犓. 犺狌犿犻犾犻狊 ) CD( 犓. 犮犪狆犻犾犻犳狅犾犻犪 )! CD( 犓. 犿犪犮狉犪狀狋犺犪 ) H P., <, >,, C D E I = B:(1)3GCDE, 1 a, 1 a (2)3 G C DE1a,4537m <^ W!, X, CD(777.6]/mm 2 )>CD(476.4]/mm 2 )>! CD(414.3]/mm 2 ) (3),,CD CD!( 犘 <0.05), > ;! CDZ, > > (4),CD CD >, I, HP. 1 a " ;! C D,I =, HP. 1a" ;CDE >?=, I,,3G CDEI, =,/ H 1 a G F,,CD CDI,! CDI I ;> < I P.3Q :CDE;;P. ;;> 23:Q944.3;Q :A 犞犪狉犻犪狋犻狅狀狊狅犳犛狋狅犿犪狋犪犾犆犺犪狉犪犮狋犲狉狊犳狅狉犜犺狉犲犲犛狆犲犮犻犲狊狅犳犌犲狀狌狊犓狅犫狉犲狊犻犪 犪犾狅狀犵犪狀犈犾犲狏犪狋犻狅狀犪犾犌狉犪犱犻犲狀狋犻狀狋犺犲犇狅狀犵犱犪犕狅狌狀狋犪犻狀狊狅犳犜犻犫犲狋 ZHU Yuhuai,ZHANG Dacai,LIShuangzhi (FacultyofForestry,SouthwestForestryUniversity,Kunming650224,China) 犃犫狊狋狉犪犮狋 :Speciesofgenus 犓狅犫狉犲狊犻犪 arethedominantsandedificatorsinsoutheasttibetalpinemeadow, andplayimportantrolesinthelivestockproductionandstabiligyofecosystem.tostudytheadaptationof diferentcharacteristicsof 犓狅犫狉犲狊犻犪 planttoelevationalgradient,weseteightsamplebeltsalonganeleva tionalgradient,startingfromforestlinetotheedgeofalpinemeadows,asincreasingofelevationforevery : ;: :( );!"# $%&'!: (1991-),,()*+,,-./01, *+ E mail: @qq.com 234:5!6,789,(),:;,-./0, <=>?*+ E mail:dczhang24@163.com
2 4,7:W 3GCDE 729 about100matdongdamountainsinzuogongcounty.speciescompositionandcoverageineverysample beltswereinvestigated,andimportantvaluesofthree 犓狅犫狉犲狊犻犪 specieswerecalculatedinthecommunity basedonrelativecoverageandfrequency.atthesametime,theepidermalcelshapesofadaxialandabaxi alsurfacewereobserved,thestomatallengthandguardcelwidthweremeasuredandstomataldensitywas calculated,soastoobservetheadaptabilityof 犓狅犫狉犲狊犻犪 speciestotheelevationgradient.theresults showed:(1)commonfeaturesofepidermiswereinvestigatedinthreespeciesusinglightmicroscopy:epi dermiswaswavy,andstomataapparatuswasonlydistributedintheepidermisofabaxialsurface.(2)the stomataldensityofalthreespeciespresentedtobeaunimodalpaternalonganelevationalgradient,and obtainedamaximumatthesamplebeltaltitudeof4537 m.stomataldensityof 犓. 犮犪狆犻犾犻犳狅犾犻犪 (476.4 grassespermm 2 )waslowerthanwhichof 犓. 犺狌犿犻犾犻狊 (777.6grassespermm 2 ),andhigherthanwhichof 犓. 犿犪犮狉犪狀狋犺犪 (414.3grassespermm 2 ).(3)Withtheelevationalgain,thestomatalengthof 犓. 犺狌犿犻犾犻狊 ( 犘 <0.05)and 犓. 犮犪狆犻犾犻犳狅犾犻犪 significantlyincreased,andguardcelwidthof 犓. 犺狌犿犻犾犻狊 and 犓. 犮犪狆犻犾犻 犳狅犾犻犪 significantlydecreased.bycontrast,thestomatalengthof 犓. 犿犪犮狉犪狀狋犺犪 decreasedwiththegainof elevation,andguardcelwidthofwhichremainedbasicalyunchanged( 犘 >0.05).(4)Thestomataldensi ty,lengthandguardcelwidthof 犓. 犺狌犿犻犾犻狊 and 犓. 犮犪狆犻犾犻犳狅犾犻犪 weresignificantlycorrelatedwiththe elevationalgradient,andthestomatalcharacteristicswerehighlysensitivetothechangeofelevationalgra dient,whichwasconsistentwiththehighimportancevalueinthecommunity.onlystomataldensityand lengthof 犓. 犿犪犮狉犪狀狋犺犪 weresignificantlycorrelatedwiththeelevationalgradient,andthestomatalchar acteristicswerenothighlysensitivetothechangeofelevationalgradient,which wasconsistentwiththe lowimportancevalueinthecommunity.thecorrelationbetweenstomataldensity,lengthandguardcel widthof 犓狅犫狉犲狊犻犪 speciesandelevationalgradientshowedthedegreeofadaptationtohabitatattheeleva tionalgradient.itcanbeseenthatthestomatalcharacteristicsofthethree 犓狅犫狉犲狊犻犪 specieshavediferent adaptabilitytothehabitatalongtheelevationalgradient,thusafectingtheirdistributionrangeandspecies coverageinthecommunity. 犓. 犺狌犿犻犾犻狊 and 犓. 犮犪狆犻犾犻犳狅犾犻犪 weresensitivetohabitatchanges,while 犓. 犿犪犮狉犪狀狋犺犪 wasinsensitivetohabitatchanges;theguardcelwidth,likethestomatallength,playedanim portantroleinadaptingtothehabitat. 犓犲狔狑狅狉犱狊 : 犓狅犫狉犲狊犻犪 ;elevationalgradient;importantvalue;stomatalcharacters;guardcel,,,!" # [1 3] $% &',(") *+ ;,-./0; 1=; M E7 [4 7] 8I 9 :;,, *+ -. " [8 9] <,3X =>?@ ABC D E A1F,GHI =>,! 7I, 'J*+I K,L X MNO, Y [10] K,/ K(!,'PQM,! R,/ST /U VM,WX! [11]!*+ B,!G 1a,Y, ( 犚犺狅犱狅犱犲狀 犱狉狅狀犪狀狋犺狅狆狅犵狅狀狅犻犱犲狊 )!,! [12], Z ( 犇犪狏犻犱犻犪犻狀狏狅犾狌犮狉犪狋犪 )Z X Z [ \F [13] ; ( = ] [14] = ^ [15 16],_1 `( = [17] CDE ( 犓狅犫狉犲狊犻犪 ) a ( b c b b b b7 Y,cD FG -.$HG,Q P.LD,IO J, P.3Q ( CDE *+Q( F,Y57 [12] I,c CD ( 犓. 狉狅狔犾犲犪狀犪 ), C D ( 犓. 犺狌犿犻犾犻狊 ) C D ( 犓. 狆狔犵犿犪犲犪 ) C D ( 犓. 犮犪狆犻犾犻犳狅犾犻犪 )?@WI*+, B, c 4GCDE B 1a,<, 8CD
3 E 1a,X (* + 1aH 1a 4 N 'J, *+ /,1 I K =,?" I, =, 1 3GCDE,!>,3GCDE HP :; *+ _ TUV W,E ^K M,M, 0 T,10 ;[ 1a,[,K c ;-.CDEX F cd [19] 1.2 <=>?@A BC= D < /*+ %\<^,[100m %\1]<^, %\8]<^( 1) ]<^ %\5]1m 1 m <, G 3, (8 )?@ E >?.@A <1, CD( 犓. 犺狌犿犻犾犻狊 ) C D ( 犓. 犮犪狆犻犾犻犳狅犾犻犪 )! C D ( 犓. 犿犪犮狉犪狀狋犺犪 ),\ FAA ) (50% = ) > [20], 1.3. (1): FAA )GH _, \(50% =1 1) 2~3d (2): Q 10% U [ X 30~40 min (3) : ]A(,,_ [21 22] M2 [23 26] " _ [27 28] V! *+! /2/3 (/ `),?@,, (4) : X1min (5):<Q3,! " 1.4 FGHI=JK! " S#?@#$, S%&1 (ZEISSAxiovert200M)?@ 0 > ), ' (1)!"#$%&: ]^ ] GR 105! Q) >, 5 S # R 10 ], ] R 5 ], ( μ m) > ( μ m) (2)': S#00, (, ) 0, 10 ] 0,* U,, (N) Q # ( S -. S # _ /, /r(mm) 0[S = πr 2 (mm 2 )] [D = N/S(]/ mm 2 )] 1.5 LM2N O P.1G H 1 89: P Table1 Informationofsamplebelts <^ Samplecode Elevation/m Longitude(E) Latitude(N) Slope Slopedegree/ West West West West West West West East 5
4 4,7:W 3GCDE 731 IP.=,!H 3Q P. = [29 30], P., Q BJHJ1a, P. =( I+ I)/2 I=(1G /2_ 3 ) 100% I=(1G /2_ 3 ) 100% QR2N 4Q SPSS > 56 1 G H P. (! > ) 3, 4Q?@ = ST.2U=VW)* %1 B,3 G C D E 1 a =X:(1)3 GCDE VX 78, 9 :;9, ", ;(2)/1a,! ) (, ^,1a,1 a;(3)/,3 G C D E <=,>2] _?@,ABC! DE > 2] 7,72 >, M,R,a( I)= 2.2 ()*X,-Y./0 2,,CD ]<^! CD! CD,3 GCD F4]<^ W! ;! CD! CD,CD;CD> ( >%2G,3GCD 1a, 4537 m <^W!, X,CD(777.57]/mm 2 )>CD( %1 3GCDE 1a Fig.1 Leafepidermalcelsandstomataldistributioninthreespeciesofgenus 犓狅犫狉犲狊犻犪 2 3'( Z[ST\ ]^._` Table2 Theaveragevaluesofstomataldensityandlength,andguardcelwidthinalelevationalbelts for3speciesofgenus 犓狅犫狉犲狊犻犪 Elevation/m, C D 犓. 犺狌犿犻犾犻狊 Stomataldensity (NO./mm 2 ) C D 犓. 犮犪狆犻犾犻犳狅犾犻犪! C D 犓. 犿犪犮狉犪狀狋犺犪, C D 犓. 犺狌犿犻犾犻狊 Stomatallength/ μ m C D 犓. 犮犪狆犻犾犻犳狅犾犻犪! C D 犓. 犿犪犮狉犪狀狋犺犪, C D 犓. 犺狌犿犻犾犻狊 > Guardcelwidth/ μ m C D 犓. 犮犪狆犻犾犻犳狅犾犻犪! C D 犓. 犿犪犮狉犪狀狋犺犪
5 ]/mm 2 )>! C D ( ]/mm 2 ); C D = ( 犚 2 =0.81, 犘 < 0.01,% 2,b), C D! C D ( 犚 2 = 0.10, 犘 < 0.05,%2,a c) ( 3 G C D 1a(%3),CD CD Z HI!,=] (%3,a,b),! CD Z,=^(%3,c) Z[ST\,CD CD > ^( 犚 2 = 0.57, 犘 <0.01; 犚 2 =0.30, 犘 <0.05;%4,a,b),! CD> Z >, = ( 犚 2 =0.01, 犘 >0.05;%4,c) 2.3 ]ab.oc = () *. <,3 GCDE H P.! ",K,CD H P., UXCD,! CD,,CD C D P.! C D ( 犘 < 0.01),1a L, H F (% 5)?" =561B,,CDP. >,CDP. ;MN3GCDP. >3 OW,,CD CD) 0X,! CD) 0X ; 3,> I,CD! CDP.!, ICDP.!( 3) a.,jd;b.jd;c.! JD; %2 a. 犓. 犺狌犿犻犾犻狊 ;b. 犓. 犮犪狆犻犾犻犳狅犾犻犪 ;c. 犓. 犿犪犮狉犪狀狋犺犪 ; Thesameasbelow Fig.2 Thevariationpaternofstomataldensityinthree speciesofgenus 犓狅犫狉犲狊犻犪 alongtheelevationalgradient %3 Fig.3 Thevariationpaternofstomatallengthinthree speciesofgenus 犓狅犫狉犲狊犻犪 alongtheelevationalgradient
6 4,7:W 3GCDE '()*= ab O.QR Table3 Thelinearregressionrelationshipsbetweentheimportantvalueinthecommunityandstomatalcharacteristics forthreespeciesofgenus 犓狅犫狉犲狊犻犪 'P561 Singlefactorregressionanalysis(R 2 ) 3561 Multipleregressionanalysis G Species Stomata density Stomata length > Guardcel width ) 0 Coeficientof determination Stomatadensity 0 Standardcoeficient Stomatalength > Guardcelwidth,CD 犓. 犺狌犿犻犾犻狊 CD 犓. 犮犪狆犻犾犻犳狅犾犻犪! CD 犓. 犿犪犮狉犪狀狋犺犪 :0W 0.05( 犘 < 0.05) Note: indicatescoeficientissignificantat0.05level( 犘 < 0.05) %5 3GCDEP. %4 > Fig.4 Thevariationpaternofguardcelwidthinthree speciesofgenus 犓狅犫狉犲狊犻犪 alongtheelevationalgradient 3 3GCDE 1 a, c 1 a " Fig.5 Variationofimportantvaluealongtheelevational gradienforthreespeciesofgenus 犓狅犫狉犲狊犻犪 [5,7,31] " G, =>?@ ABC P. F,I [32 33] 1 a >?= P X W, 3.1 (,-Y. 3GCD 1 a, Q =, Qiang7 [34] * + " I, OI R'P(CO 2 S T U 7) [35],CO 2 S V'P =, Q =") W I! CO 2 S, W [36 39], X I CO 2 S =, I V Y 7'P [40] ' J,1a./ V
7 (,-Y. 3GCDE > AG1a,K,CD CD =],! CDX =^;,CD CD> = ^,! CD> = EG! G 1 a, E ( 犚犺狅犱狅犱犲狀犱狉狅狀 ) ZE( 犃犱犲狀狅狆犺狅狉犪 )7 Q( [F,\X! CO 2 S T V I! ],,! I' W [41 45]! 1 a,y ^ Z ( 犃犱犲 狀狅狆犺狅狉犪狆狅狋犪狀犻狀犻 ) [43] Z [14] ( 犚犺狅犱狅 犱犲狀犱狉狅狀犾犪狆狆狅狀犻犮狌犿 ) [13] _ ` a b c ( 犘狅狋犲狀狋犻犾犪狊犪狌狀犱犲狉狊犻犪狀犪 ) [46] MN!\F [13],!1a (F *+,CD CD =], > =^, 4 "?1a,> 1aY 3G CD, 3 0!,,CD CD> [, =Q,! CD> = B EG > WB, 8 GI =, > 5 =,K>, (?" *+ 3.3 ()*=. 3GCDE H P. (! > ) 3 3 AYB " CDE H P.,,CD CD D 1a L, H P. QX,3Q X, B I, =, 8 R, H 1a, 'P W,Y> I,CD! CD(!, ICD(! 3XG, 'P,Y1a\XZ1 a, [14],GP. 3?" G I'P R 9 W,CDE3G! > 1a, BI R K 9,I, =,C D CD R > N R,I, H1aL,G F! CD R N,I I, 'H1aI, F > "<,I P. 3Q, G" > I 1 a * + F, *+M > I, P.3Q,?" 4: [1],. D K ' P [J].,,2006,30(1):1 8. YANG Y H,PIAO SL.Variationsingrasslandvegetation coverinrelationtoclimaticfactorsonthetibetanplateau[j]. 犆犺犻狀犲狊犲犑狅狌狉狀犪犾狅犳犘犾犪狀狋犈犮狅犾狅犵狔,2006,30(1):1 8. [2],,,7.-.,,] *+[J].,,1991,19(6): LUOTX,LIW H,LUOJ, 犲狋犪犾.Acomparativestudyonbi ologicalproductionofmajorvegetationtypesonthe Tibetan Plateau[J]. 犃犮狋犪犈犮狅犾狅犵犻犮犪犛犻狀犻犮犪,1991,19(6): [3],,,7. ABC =[J].*+,1999,19(3): YAN XF,WANG YJ,WANG Y, 犲狋犪犾.Gasexchangeof 犚犺狅犱犻狅犾犪狊犪犮犺犪犾犻狀犲狀狊犻狊 onchangbaimountain[j]. 犅狌犾犲狋犻狀狅犳犅狅狋犪狀犻犮犪犾犚犲狊犲犪狉犮犺,1999,19(3):
8 4,7:W 3GCDE 735 [4],,. c =[J].,1998,15(3): LU CF,JIANLC,KUANG T Y.Freezinghardinessinal pineplants[j]. 犅狌犾犲狋犻狀狅犳犅狅狋犪狀狔,1998,15(3): [5] ;L,,,7. Y *+ [J].;!( ),1992,(4): ZHOU GT,LIUFQ,GUOSX, 犲狋犪犾.Astudyofcharacter isticsoftheanatomicalstructureofalpineplants[j]. 犑狅狌狉狀犪犾狅犳犙犻狀犵犺犪犻犖狅狉犿犪犾犝狀犻狏犲狉狊犻狋狔 (NaturalScience Edition). 1992,(4): [6] BOSABA A M,KOFIDOSG.Comparativeefectsofdrought stressonleafanatomyoftwoolivecultivars[j]. 犘犾犪狀狋犛犮犻 犲狀犮犲,2002,l63(2): [7] $,,. cdfg, 'P [J].,,2008,32(2): HUJY,GUO K,DONG M.Variationofleafstructureof twodominantspeciesinalpinegrasslandandtherelationship betweenleafstructureandecologicalfactors[j]. 犆犺犻狀犲狊犲犑狅狌狉 狀犪犾狅犳犘犾犪狀狋犈犮狅犾狅犵狔,2008,32(2): [8], O. I [J].,2005,22(8): LIFL,BAO W K.Responsesofthemorphologicalandana tomicalstructureoftheplantleaftoenvironmentalchange[j]. 犆犺犻狀犲狊犲犅狌犾犲狋犻狀狅犳犅狅狋犪狀狔,2005,22(8): [9] MOTTK A,GIBSON AC,OLEARYJW.Theadaptivesig nificanceofamphistomaticleaves[j]. 犘犾犪狀狋犆犲犾犪狀犱犈狀狏犻狉狅狀 犿犲狀狋,1982,5(6): [10] R,,. D P * + [J].,2015,35(7): HU XP,JICJ,AN L H.Leafstomaticcharacteristicsof dicotyledonousplantsinthetibetanplateaugrasslands[j]. 犃犮狋犪犅狅狋犪狀犻犮犪犅狅狉犲犪犾犻 犗犮犮犻犱犲狀狋犪犾犻犪犛犻狀犻犮犪,2015,35(7): [11],,,7.,,,=[J].,,2009,18(2): PAN H L,LIM H,CAIX H, 犲狋犪犾.Responsesofgrowth andecophsiologyofplantstoaltitude[j]. 犈犮狅犾狅犵狔犪狀犱犈狀狏犻 狉狅狀犿犲狀狋犪犾犛犮犻犲狀犮犲狊,2009,18(2): [12] 5,,,7. c D G C D E S[J].!,2006,41(6): ZHANG X Q,QIANG KB,GUO M, 犲狋犪犾.Leafepidermal micro morphologyoffourspeciesinthegenus 犓狅犫狉犲狊犻犪 from alpinegrassland[j]. 犑狅狌狉狀犪犾狅犳犌犪狀狊狌犃犵狉犻犮狌犾狋狌狉犪犾犝狀犻狏犲狉 狊犻狋狔,2006,41(6): [13],>,. I [J]. *+.2012,29(6): XU HJ,YANGTB,ZENGB.Variationofstomatallength andstomataldensityinleavesof 犚犺狅犱狅犱犲狀犱狉狅狀狊 witheleva tion[j]. 犃狉犻犱犣狅狀犲犚犲狊犲犪狉犮犺,2012,29(6): [14],,,7.I Z 0 [J].;@,2010,29(2): ZHONG XC,WU Q G,HEJ, 犲狋犪犾.Efectsofaltitudeson specificleafarea,stomataldensityof 犇犪狏犻犱犻犪犻狀狏狅犾狌犮狉犪狋犪 leaf[j]. 犑狅狌狉狀犪犾狅犳犕犻犪狀狔犪狀犵犖狅狉犿犪犾犝狀犻狏犲狉狊犻狋狔,2010,29 (2): [15] KOMER O H,BANNISTER P,MARK A F.Altitudinal variationinstomatalconductancenitrogencontentandleafa natomyindiferentplantlifeformsinnewzealand[j]. 犗犲犮狅 犾狅犵犻犪,1986,69: [16] WOODWARDFI.Stomatalnumbersaresensitivetoincrea sesinco2fromper industriallevels[j]. 犖犪狋狌狉犲,1987,327: [17] HULTINEK R,MARSHALLJD.Altitudetrendsinconi ferleaf morphologyandstablecarbonisotopecomposition [J]. 犗犲犮狅犾狅犵犻犪,2000,123: [18] TAKAHASHIK,MIYAJIMA Y.Variationsinstomatal density,stomatalconductanceandleafwaterpotentialalong analtitudinalgradientincentraljapan[j]. 犘犺狔狋狅狀犃狀狀犪犾犲狊犚犲犻犅狅狋犪狀犻犮犲,2008,48:1 12. [19],,,7., K * + [M]. :,2013. [20] ].[M]. :,1978. [21] REICH PB.Leafstomataldensityanddifusiveconductance inthreeamphistomatoushybridpoplarcultivates[j]. 犖犲狑犘犺狔狋狅犾狅犵犻狊狋,1984,98: [22],H./U I [J].L!,1995,14(4): HERT,L CQ.Stomataldensityofleaflayersincrownof somebroad leafspeciesandefectsoflightconditionsonthem [J]. 犌狌犪狀犵狓犻犃犵狉犻犮狌犾狋狌狉犪犾犝狀犻狏犲狉狊犻狋狔,1995,14 (4): [23],,. 7 * + [J].,2006,22(5): YINXL,WANGJX,DUANZ Q.Studyonthestomatal densityanddailychangeruleofthewheat[j]. 犆犺犻狀犲狊犲犃犵狉犻 犮狌犾狋狌狉犪犾犛犮犻犲狀犮犲犅狌犾犲狋犻狀,2006,22(5): [24] CHEN L Q,LICS,CHALONER W G, 犲狋犪犾.Assessing thepotentialforthestomatalcharactersofextantandfossil 犌犻狀犽犵狅 leavestosignalatmosphericco2change[j]. 犃犿犲狉犻 犮犪狀犑狅狌狉狀犪犾狅犳犅狅狋犪狀狔,2001,88: [25] XUZZ,ZHOU GS.Responsesofleafstomataldensityto waterstatusanditsrelationship with photosynthesisin a grass[j]. 犑狅狌狉狀犪犾狅犳犈狓狆犲狉犻犿犲狀狋犪犾犅狅狋犪狀狔,2008,59: [26] GAY AP,HURDRG.Theinfluenceoflightonstomataldensi tyinthetomato[j]. 犖犲狑犘犺狔狋狅犾狅犵犻狊狋,1975,75: [27] POOLEI,WEYERJDB,LAWSON T, 犲狋犪犾.Variationsin stomataldensityandindex:implicationsofpalaeoclimated reconstructions[j]. 犘犾犪狀, 犆犲犾犪狀犱犈狀狏犻狉狅狀犿犲狀狋,1996,19: [28] SALISBURYEJ.Onthecausesandecologicalsignificanceof
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More information前 言 本标准的附录 A 附录 B 和附录 C 为资料性附录 本标准由国家认证认可监督管理委员会提出并归口 本标准起草单位 : 中华人民共和国山西出入境检验检疫局 本标准主要起草人 : 薛平 连庚寅 宋欢 苑利 杜利君 潘雅丽 宋洁 康杰 本标准系首次发布的出入境检验检疫行业标准 Ⅰ
中华人民共和国出入境检验检疫行业标准 犛犖 / 犜 2115 2008 进出口食品和饲料中总氮及粗蛋白的检测方法杜马斯燃烧法 犇犲狋犲狉犿犻狀犪狋犻狅狀狅犳狋犺犲狋狅狋犪犾狀犻狋狉狅犵犲狀犮狅狀狋犲狀狋犪狀犱犮犪犾犮狌犾犪狋犻狅狀狅犳狋犺犲犮狉狌犱犲狆狉狅狋犲犻狀犮狅狀狋犲狀狋犻狀犳狅狅犱犪狀犱犳犲犲犱犳狅狉犻犿狆狅狉狋犪狀犱犲狓狆狅狉狋 犆狅犿犫狌狊狋犻狅狀犪犮犮狅狉犱犻狀犵狋狅狋犺犲犇狌犿犪狊狆狉犻狀犮犻狆犾犲
More information前 言 本标准的附录 A 附录 B 和附录 C 为资料性附录 本标准由国家认证认可监督管理委员会提出并归口 本标准起草单位 : 中华人民共和国山西出入境检验检疫局 本标准主要起草人 : 薛平 连庚寅 宋欢 苑利 杜利君 潘雅丽 宋洁 康杰 本标准系首次发布的出入境检验检疫行业标准 Ⅰ
中华人民共和国出入境检验检疫行业标准 犛犖 / 犜 2115 2008 进出口食品和饲料中总氮及粗蛋白的检测方法杜马斯燃烧法 犇犲狋犲狉犿犻狀犪狋犻狅狀狅犳狋犺犲狋狅狋犪犾狀犻狋狉狅犵犲狀犮狅狀狋犲狀狋犪狀犱犮犪犾犮狌犾犪狋犻狅狀狅犳狋犺犲犮狉狌犱犲狆狉狅狋犲犻狀犮狅狀狋犲狀狋犻狀犳狅狅犱犪狀犱犳犲犲犱犳狅狉犻犿狆狅狉狋犪狀犱犲狓狆狅狉狋 犆狅犿犫狌狊狋犻狅狀犪犮犮狅狉犱犻狀犵狋狅狋犺犲犇狌犿犪狊狆狉犻狀犮犻狆犾犲
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More information前 言 本标准按照 GB/T 给出的规则起草 本标准由国家认证认可监督管理委员会提出并归口 本标准起草单位 : 中华人民共和国山东出入境检验检疫局 中华人民共和国陕西出入境检验检疫局 中华人民共和国黑龙江出入境检验检疫局 本标准主要起草人 : 王建华 汤志旭 孙忠松 王艳丽 王松 李
中华人民共和国出入境检验检疫行业标准 犛犖 / 犜 2646 2010 进出口食品中吡螨胺残留量检测方法气相色谱 质谱法 犇犲狋犲狉犿犻狀犪狋犻狅狀狅犳狋犲犫狌犳犲狀狆狔狉犪犱狉犲狊犻犱狌犲狊犻狀犳狅狅犱犳狅狉犻犿狆狅狉狋犪狀犱犲狓狆狅狉狋 犌犆 犕犛犿犲狋犺狅犱 2010 11 01 发布 2011 05 01 实施 中华人民共和国国家质量监督检验检疫总局 发布 前 言 本标准按照 GB/T1.1
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More information前 言 本标准的附录 A 和附录 B 均为资料性附录 本标准由国家认证认可监督管理委员会提出并归口 本标准起草单位 : 中华人民共和国黑龙江出入境检验检疫局 中华人民共和国重庆出入境检验检疫局 中华人民共和国辽宁出入境检验检疫局 本标准主要起草人 : 刘永 杨长志 王国民 康庆贺 林维宣 李贤良 吴
中华人民共和国出入境检验检疫行业标准 进出口动物源性食品中乌洛托品残留量的检测方法液相色谱 质谱 / 质谱法 犇犲狋犲狉犿犻狀犪狋犻狅狀狅犳狌狉狅狋狉狅狆犻狀犲狉犲狊犻犱狌犲犻狀犳狅狅犱狊狋狌犳狊狅犳 犪狀犻犿犪犾狅狉犻犵犻狀犳狅狉犻犿狆狅狉狋犪狀犱犲狓狆狅狉狋 犔犆 犕犛 / 犕犛犿犲狋犺狅犱 2008 11 18 发布 2009 06 01 实施 中华人民共和国国家质量监督检验检疫总局 发布 前
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More information前 言 本标准按照 GB/T 给出的规则起草 本标准代替 SN 出口肉及肉制品中甲萘威残留量检验方法 本标准与 SN 相比, 主要技术变化如下 : 样品净化方法采用全自动凝胶渗透色谱净化方法替代原有的液液分配法 ; 测定采用柱后衍生液相色谱 荧光检
中华人民共和国出入境检验检疫行业标准 犛犖 / 犜 0122 2011 代替 SN0122 1992 进出口肉及肉制品中甲萘威残留量检验方法液相色谱 柱后衍生荧光检测法 犇犲狋犲狉犿犻狀犪狋犻狅狀狅犳犮犪狉犫犪狉狔犾狉犲狊犻犱狌犲狊犻狀犿犲犪狋犪狀犱犿犲犪狋狆狉狅犱狌犮狋狊犳狅狉犻犿狆狅狉狋犪狀犱 犲狓狆狅狉狋 犎犘犔犆 犳犾狌狅狉犲狊犮犲犱犲狋犲犮狋狅狉狑犻狋犺狆狅狊狋犮狅犾狌犿狀犱犲狉犻狏犪狋犻狅狀
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More information前 言 本标准的附录 A 附录 B 和附录 C 均为资料性附录 本标准由国家认证认可监督管理委员会提出并归口 本标准起草单位 : 中华人民共和国湖南出入境检验检疫局 本标准主要起草人 : 颜鸿飞 张莹 孙菲 胡宇东 黄志强 付善良 李拥军 王美玲 本标准系首次发布的出入境检验检疫行业标准 Ⅰ
中华人民共和国出入境检验检疫行业标准 动物源食品中乙氧喹啉残留量的测定方法高效液相色谱法 犇犲狋犲狉犿犻狀犪狋犻狅狀狅犳犲狋犺狅狓狔狇狌犻狀狉犲狊犻犱狌犲狊犻狀犳狅狅犱狊狋狌犳狊狅犳犪狀犻犿犪犾狅狉犻犵犻狀 犎犘犔犆犿犲狋犺狅犱 2010 03 02 发布 2010 09 16 实施 中华人民共和国国家质量监督检验检疫总局 发布 前 言 本标准的附录 A 附录 B 和附录 C 均为资料性附录 本标准由国家认证认可监督管理委员会提出并归口
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Unit3 WHEN IGROW UP 乐学单元 亲爱的同学们, 每个人都有梦想, 每个人都对未来从事的职业有一种期待, 你梦想的职业是什么呢? 我们常听到的职业有医生 护士 消防员 警察 飞行员和宇航员 那么他们都做哪些具体的工作呢? 你了解吗? 在这个单元, 他们中的一些代表会走近你, 并告诉你他们的日常生活 让我们赶快一起去看看吧 还有, 当你了解他们的具体工作后, 你是否还坚持你的梦想职业,
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More information前 言 本标准的附录 A 为规范性附录, 附录 B 和附录 C 为资料性附录 本标准由国家认证认可监督管理委员会提出并归口 本标准由中华人民共和国辽宁出入境检验检疫局 中华人民共和国浙江出入境检验检疫局 中国检验检疫科学研究院 中华人民共和国黑龙江出入境检验检疫局负责起草 本标准主要起草人 : 林维
中华人民共和国出入境检验检疫行业标准 进出口动物源性食品中糖皮质激素类兽药残留量的检测方法液相色谱 质谱 / 质谱法 犇犲狋犲狉犿犻狀犪狋犻狅狀狅犳犵犾狌犮狅犮狅狉狋犻犮狅狊狋犲狉狅犻犱狊狉犲狊犻犱狌犲狊犻狀犳狅狅犱狊狋狌犳狊狅犳 犪狀犻犿犪犾狅狉犻犵犻狀犳狅狉犻犿狆狅狉狋犪狀犱犲狓狆狅狉狋 犔犆 犕犛 / 犕犛犿犲狋犺狅犱 2008 11 18 发布 2009 06 01 实施 中华人民共和国国家质量监督检验检疫总局
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