国家/地区 中国（2）
IPC部 B（2）
IPC大类 B82（2） C04（2）
IPC小类 B82Y（2）
IPC B82Y030/00（2）
发明人
公开年
申请年 2021（2）
专利权人

Electromagnetic material for inductance operating at cryogenic temperatures, comprises metal nanoparticles in electrically insulating matrix, where matrix is polymer, metal oxide, or graphene oxide and particles comprise iron, cobalt, nickel, or alloy of these metals.

VIALA B, BERNARD V

Preparing carbon-magnesium oxide nano composite powder useful in preparing refractory material comprises using raw material magnesium citrate, which is prepared by low-temperature pretreatment and medium temperature sintering successively.

XIAO G, LUO J, DING D, ZHONG X