the five pyrethroids in herba cistanches were determined by matrix solid-phase dispersion method (mspd) and gas chromatography.

  • 运用底物固相分散(MSPD)法、气相色谱法同时测定肉苁蓉中5种菊酯类农药残留。

  • 互联网摘选 2026-07-12 10:25:12

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