性爱无码高清电影|亚洲第一播放器|国产精品日日摸夜夜摸添孕妇|日本在线不卡免费|日韩A片大全在线观看|国产精品Av在线观看|欧美日韩另类一级二级|国产一区二区三区高清无码|成人网站在线观看视频|TS女神第一福利视频

National Institute for Materials Science announced on Wednesday that Dr. Kohmei Harada, Managing Director of the Strategic Use of Elements Interdisciplinary Cluster at the institute developed a technique which is applicable for promoting the recovery of rare metals from used products.

 

This method utilizes the ball mill, which is used to crush by ball and rolling. Charging electric devises, roughly crushed to several centimeter lengths, in ball mill. A powder less than 1 millimeter sized is formed in result of concentration of rare metal components. It is easy to treat by downstream processes when the form of metal is powder. This process leaves aluminum, copper and plastic containing boards respectively in sheet form. The institute explains, non powdered components are also easily sorted in the following process. -–Japan Metal Bulletin