HFA

常見例句

• HFIP had been synthesized from hexafluoroacetone(HFA)by catalysis in solvent.
  采用液相催化加氫法,將六氟丙酮(HFA)三水化合物催化加氫合成六氟異丙醇。
• 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(tǒng)N2 O -O2 -異氟醚低流量麻醉 ,并與 2 2例HFA進(jìn)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(xiàng)目，將鋼筆抵達(dá)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(yīng)機(jī)理、過程和結(jié)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(gè)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)分別為 17.;60 3 1± 6
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