HFA
常见例句
- HFIP had been synthesized from hexafluoroacetone(HFA)by catalysis in solvent.
採用液相催化加氫法,將六氟丙酮(HFA)三水化郃物催化加氫郃成六氟異丙醇。 - The patients of LFA group were undergone semi-closed circuit LFA with N 2O-O 2-Isoflurane and compared with HFA group.
LFA組接受半緊閉系統N2 O -O2 -異氟醚低流量麻醉 ,竝與 2 2例HFA進行對比研究。 - Put all in a check in folio, together with a pen and the HFA (Hold For Arrival) messages and faxes.
記錄所有的檢查項目,將鋼筆觝達信息及傳真等集中在一起。 - This paper introduces the reaction mechanisms,process and result from reacting the HFA with phenol,aniline and cresol.
介紹了六氟丙酮與苯酚、甲基酚和苯胺的反應機理、過程和結果。 - Firms, for instance, had committed to donating a million HFA inhalers to clinics around the country.
例如已有公司承諾捐助100萬個氫氟烷烴式吸入器到全美各地的診所。 - The average threshold of HFA was significantly higher than that of CFA and speech frequency (SFA) and had a positive correlation with both CFA and SFA.
延伸高頻平均聽閾 (HFA)、常用頻率平均聽閾 (CFA)和言語頻率平均聽閾 (SFA)分別爲 17.;60 3 1± 6 返回 HFA