funnel-shaped相关论文
通过对物在筒仑下部漏斗内流动及受力分析揭示了堵仑发生的原因,提出了防止措施,即将传统的锥形漏斗形改为曲线形,给出了曲线参数计算......
自从1991年日本科学家Iijima发现碳纳米管以来.在纳米管制备和理论方面的研究引起了广泛的关注。管状、线状、棒状、带状、针状等一......
The Mineralisation Process as Deduced from Sr Isotopic Data from Lonplats’ Eastern Platinum Mine,Wes
At Eastern Platinum Mine in the western Bushveld Complex,the entire Merensky Pyroxenite Unit reaches up to 11 m in thick......