High pressure solidification rules of Al-Mg alloy needs to be discussed further for its wide range of application. Micro......

A new environmental friend cutting brass containing magnesium instead of lead was produced by casting, extruding and dra......

通过对两种进口催化剂所用载体样品的化学组成、相组成和显微结构系统的分析研究,探明了优质载体的组成和结构特点,并在此基础上对......

采用光学显微镜、扫描电镜、X射线相定量分析等技术,研究了制备金属橡胶构件用冷变形量分别为36%,64%,84%和91%所得的直径0.4mm,0.......

采用熔铸、挤压、拉拔的方法生产出了以镁代铅的环保型易切削黄铜材。对易切削黄铜的微观组织进行了观察，并对其力学、化学和切削性......

<正> 我国北宋时期,陶业极盛一时,名窑辈出.陕西省耀县耀州窑的青瓷也因其独特的艺术风格与钧、汝、官、哥、定等历史名窑齐名显著......