tfaa
- 网络三氟乙酸;游离氨基酸;三氟乙酰乙酸;三氟乙酸酐;三氟醋酸酐
tfaa-
The highest rumen total free amino acid ( TFAA ) was observed in D group , higher than that in A group ( P < 0.01 ) and Bgroup ( P < 0.05 ), and showed no significant difference with C group ( P > . 05 ) .
瘤胃内总FAA以D组最高，极显著高于A组（P＜0.01），显著高于B组（P＜0.05），与C组差异不显著（P＞0.05）。
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Procedures for the separation and identification of 12 narcotic analgesics and 2 CNS-stimulants are described using GC / FID , GC / NPD and GC / MSD . The TFA and TMS derivatives were prepared by adding TFAA , MB TFA and MSTFA to the standard drugs .
本文叙述了用高分辨气相色谱法/火焰离子化检测器，气相色谱/氮磷检测器以及气相色谱/质量选择检测器对12种麻醉性镇痛剂和2种中枢神经刺激剂的分析研究。