HFA

常见例句

HFIP had been synthesized from hexafluoroacetone(HFA)by catalysis in solvent.
采用液相催化加氢法,将六氟丙酮(HFA)三水化合物催化加氢合成六氟异丙醇。
The patients of LFA group were undergone semi-closed circuit LFA with N 2O-O 2-Isoflurane and compared with HFA group.
LFA组接受半紧闭系统N2 O -O2 -异氟醚低流量麻醉 ,并与 2 2例HFA进行对比研究。
Put all in a check in folio, together with a pen and the HFA (Hold For Arrival) messages and faxes.
记录所有的检查项目，将钢笔抵达信息及传真等集中在一起。
This paper introduces the reaction mechanisms,process and result from reacting the HFA with phenol,aniline and cresol.
介绍了六氟丙酮与苯酚、甲基酚和苯胺的反应机理、过程和结果。
Firms, for instance, had committed to donating a million HFA inhalers to clinics around the country.
例如已有公司承诺捐助100万个氢氟烷烃式吸入器到全美各地的诊所。
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.
延伸高频平均听阈 (HFA)、常用频率平均听阈 (CFA)和言语频率平均听阈 (SFA)分别为 17.;60 3 1± 6