Using the modified analytic embedded-atom method (MAEAM), the molecular dynamics (MD) simulation was performed to study the premelting and melting behavior of (001) plane of niobium and tungsten.

摘要采用改进分析型嵌入原子方法(MAEAM)，对铌、钨晶体的(001)和化过程进行分子力学模拟。

The premelting hollow granular CC powder is an internationally advanced one used for CC at present. The paper describes the production process and the equipment selection for this powder.

型空心铸保护渣是目前国际上用于铸的一种先进的保护渣,介绍了此保护渣的生产工艺以及设备的选择。