更多“地高辛的有效血药浓度范围为A.0.5~1. 0μg/mlB.0.9~1. 0μg/mlC.0.9~2. 0μg/mlD.0.9~2. 5μg/mlE.0. ”相关问题
  • 第1题:

    地高辛的有效血药浓度范围为

    A.0.5~1.0g/ml

    B.0.9~10.g/ml

    C.0.9~2.0ng/ml

    D.0.9~2.5ng/ml

    E.0.5~2.0ng/ml


    正确答案:C

  • 第2题:


    A.g(0)=0且g′(0)=0
    B.g(0)=0且g′(0)=1
    C.g(0)=0且g′(0)=2
    D.g(0)=1且g′(0)=0

    答案:C
    解析:

  • 第3题:

    2、2. 分别求下列文法所描述的语言: (1) G[S]: S->10S0|aA A->bA|a (2)G[S]: S->SS|1A0 A->1A0|ε


    C

  • 第4题:

    地高辛的有效血药浓度范围为

    A.0.5~1.0μg/ml

    B.0.9~1.0 μg/ml

    C.0.9~2.0 ng/ml

    D.0.9~2.5 ng/ml

    E.0.5~2.0 ng/ml


    正确答案:C

  • 第5题:

    完成如图圆形型腔的粗、精加工程序编制。现场提供Φ12立铣刀。 O0002 G21G54G90 G00Z100 M03S600 GOOX5Y0 Z10 G01Z1F100 M98P1002 G00X5Y0 G01Z-6F100 G03X5Y0I-5J0Z-7.4 M98P1002 G00Z100 M05 M30 O1002 G90G01X5Y0F100 G03X5Y0I-5J0 G01X12.2YO G03X12.2Y0I-12.2J0 G03X12.5Y0I-12.5J0 G00Z10 M99


    O2003; M03S500T0202( 镗刀 ); G0X14Z2; G71U0.8R0.8; G71P10Q20U-0.3W0F0.2; N10G0X20; G1Z0F0.1; G01X18Z-1F0.1; Z-4; X16C0.5 N20Z-41 G0X100Z100M05; M00; M03S750T0202( 镗刀 ); G0X14Z2; G70P10Q20; G0X100Z100M05; M00; M03S500T0101( 外圆车刀 ); G0X42Z2; G71U1R1; G71P30Q40U0.3W0F0.3; N30G0X22; G1Z0F0.1; X23.8Z-1; Z-20; X26; G03X38Z-26R6; N40G01X38Z-44; G0X100Z100M05; M00; M03S1000T0101( 外圆车刀 ); G0X42Z2; G70P30Q40; G0X100Z100; M05; M00; M03S500T0404; ( 切断刀 ) G0X42Z2; Z-20; G01X20F0.1; X42; G0X100Z100; M05; M00; M03S500T0303; ( 螺纹 ) G0X26Z2; G92X23.5Z-18F0.75; X23.3; X23.25; X23.25; G0X100Z100; M05; M00; M03S500T0404( 槽刀宽为 4mm); G0X42Z2; Z-44; G01X34F0.1; X38; Z-43; X36Z-44; X13; G0X100; Z100; M30;