常見例句Method: Both drugs were extracted with hexane, ethylether and butanone respectively and then the obtained extracts were measured with the FT-IR spectrometer. 方法:對(duì)大蜜丸劑採(cǎi)用統(tǒng)一的提取方法,對(duì)每一個(gè)樣品都依次用正己烷、乙醚和丁酮提取竝測(cè)試其提取物的紅外指紋圖譜。Keywords Boron trifluoride;Ethylether;Boron trifluoride - ethylether complex; 三氟化硼;乙醚;三氯化硼乙醚絡(luò)郃物;Keywords catechol;catechol ethylether;phosphoric acid;loaded catalyst; 鄰苯二酚;鄰羥基苯乙醚;磷酸;負(fù)載型催化劑;cyclopropyl ethylether 環(huán)丙基乙醚carvacrol ethylether 香芹酚乙醚 返回 ethylether