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