选择六种不同的叶梢间隙研究叶梢间隙对导管桨性能的影响。
The effects of tip clearance on duct propeller's performance were investigated in six different tip clearances.
目的建立六味散结丸（丹参，王不留行，橘叶等）的质量控制标准。
Aim To establish the quality standard of liuweisanjie pills(radix et rhizoma salviae miltiorrhizae, semen vaccariae, folium citrus reticulatae etc.
通过甲酰基异长叶烯与酮的缩合反应合成出六种具有香气的新化合物。
Six types fragrant new compounds were synthesized by the condensation reactions of formylisolongifolene with ketones.
应用推荐