mechanical aid

Effect of binary processing aid on rheology and mechanical properties of HDPE

复合加工助剂对HDPE流变性能和力学性能的影响

Basic theory of surface modification about glassy cement material is presented in this paper. At the same time modified glassy cement materials were manufactured by means of point activation and disperse& grind aid according to technology of mechanical-chemistry.

阐述了玻璃态胶凝材料表面改性的基本原理，并采用机械化学方法对玻璃态物质进行了点活化及助磨分散表面改性，制备了改性玻璃态胶凝材料。

Also the system develops on-line interactive function of mechanical drawings and long-distance aid function according to the characteristics of mechanical field.

在交互学习模块的设计中根据机械专业以图形为主的特点实现了机械图形在线交互功能和远程协助功能。

a well equipped playground; a ship equipped with every mechanical aid to navigation.

装备完善的运动场；装有所有帮助航行的机械的船只。