( Proterties) This article is shallow brown to yellow brown liquid, has fragrant air. reddish-brown wood and lumber from heartwood of the sweet gum tree used to make furniture. 本品为浅棕色至黄棕色液体,气香。红棕色木料,取自香枫心材,用于制家具。
Application of liquid nitrogen for exfoliative gum disease 应用液氮治疗剥脱性牙龈病损的疗效观察
After analyzed the main components of raw material and the final by the high performance liquid chromatography ( HPLC), the hydrolysis rate of soy hydrated gum by phospholipase A1 was 90.2% at the optimal parameters. 用高效液相色谱(HPLC)对水解前后原料和产品进行了分析,知最佳条件下磷脂酶A1水解水化油脚的水解率为90.2%。
Design of Liquid Crystal Display Point Gum Machine Pneumatic Control System 液晶显示屏点胶机气动控制系统的设计