弱磁性奥氏体不锈钢磁导率的测量

X()():,,,,:;;1200311,72202010(),,,,1.05,ASTMA342,12.5mm,66mm,0.13cm250,ASTM,,,,2,,,,(H,Z9H/9Z),mFZ=mH(9H/9Z)=kmH(9H9Z),k,,S,,,FZ=12kS(H12-H22)H1H2H2H1,FZ=12kSH12k=2FZ/SH12=1+4k=1+8FZ/SH12,FZ,,k=20.98FZ/SH12=1.96FZ/SH12=1+80.98FZ+SH12=1+24.6FZ/SH12,FZ,m,,H9H/9Z,k,S,H1FZ,31.05,()(),,1000(Oe)20mm,1,,1E,80mm,1.5mm,0.1mmBCD,AB,CDSPE,MASD,S152004143X:(1954-),,,,3012,,BC,S,,200g,0.1mg2B,M,P,C,A,D,K1,K2,R4,,1,,MnSO44H2O,16.266.110-6;,,9.610-6,,,,,H9H/9ZF2FZ,mm,H19H/9Z,FZ=mH9H/9ZFZ=mH9H/9Z,FZ/FZ=m/m=mFZ/mFZ=(m/m)(FZ/FZ),,mm,FZFZ,,FZ/FZd/d,,k==1+4kk,k=1.96FZ/SH2=1+24.6FZ/SH2,FZ,,,S,H,,,FZ,,H=[1.96FZ/Sk]1/2H=[24.6FZ/S(-1)k]1/2H50.32mm2.05mm2.20mmAISI305,,1.0050.32mmAISI305,1.0045,,,5.1252004143,,,100mm,8mm0.32mm,,0.13cm2,0.32mm3,35.25.2.12K1,5.2.2,,m05.2.3,,1.6mm5.2.4K1K2,R,(500Oe),m5.2.5K1K2,m0,5.2.2,,,5.2.6m0mSH,=1+24.6m-m0SH2,,Gs/Oe;S,cm2;H,Oe;m-m0,mg,0.32mm31.00431.00391.0046,1.0043,2.05mm2.20mm1.00451.0017,6,,1.05,,[1]ASTMA342/A342M-StandardTestMethodsforPermeabilityofFeeblyMagneticMaterials.USA,1999[2],.().:,1984.512513[3]..:,1981.4359[4],.().:,1999.985986(50)ctx(),EVCCVCctxBE-tcpAC-tcpAtdh4,PCR,PCREVCCVC(7)4EVC1CVC4,0135(135,2)EVCCVC2.2102cfu/mL2.8102cfu/mL6.5102cfu/mL(2,4,6),,DNA1h,PCR2h,1h,45h,,,EVC2.2cfu/mLCVC2.8cfu/mL6.5cfu/mL,,(2),6h,10h,4h,8hPCR,O165cfu,Taq,,,PCR(),,,,,DNA,,DNA,,,,ctxBE-tcpA,EVC;ctxBC-tcp,CVC;tdh,;ctxBE-tcpAC-tcpAtdh,EVCCVC()352004143