• 2022-06-12 问题

    Which of the following does not belong to the coating of the SPME<br/>device? () A: PDMS; B: PDMS/DVB; C: CAR/PDMS/DVB; D: Tenax;

    Which of the following does not belong to the coating of the SPME<br/>device? () A: PDMS; B: PDMS/DVB; C: CAR/PDMS/DVB; D: Tenax;

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