The nono - powder of BN was selected to change the thermoelectric properties of Mg _ 2 Si based thermoelectric materials.
本文选择了纳米BN粉以改变Mg_2Si基热电材料的热电性能.
互联网
Guida: Sono state ritrovate finora undici sepolture che risalgono al nono secolo avanti Cristo.
游客: 发现了多少墓葬?
互联网