常見例句雙語例句The volatile oil was extracted from Oroxylum indicum(L. ) Vent by using direct distillation extraction method(DDE). The content of the volatile oil was 1.99%.采用普通水蒸氣蒸餾萃取法，對木蝴蝶中揮發(fā)油進行提取，測得木蝴蝶揮發(fā)油含量為1.99%；The volatile oil was extracted from the Artemisia apiacea Hance from Lulong area in Hebei Province by using direct distillation extraction method(DDE). The content of the volatile oil was 7.2%.采用普通水蒸氣蒸餾萃取法，對產(chǎn)自河北盧龍地區(qū)青蒿中的揮發(fā)油進行提取，測得青蒿揮發(fā)油含量為7.2%； 返回 direct distillation extraction method