国家/地区 中国（3）
IPC部 B（3）
IPC大类 C25（3） B01（2）
IPC小类 C25B（3）
IPC C25B015/08（3）
发明人
公开年
申请年
专利权人

Catalyst used for preparing beta-carotene from vitamin A triphenylphosphine salt by electrochemistry, is a graphene-supported metal ferrite and a metal oxide catalyst.

ZHANG T, SONG J, SHEN H, JIE J, WANG J, ZHANG Y

Graphene conductive hydrogen and oxygen gas generator comprises casing and upper cover that is provided on upper side of housing, where circuit controller is provided on left side of base surface of upper cover.

MA X, CAO J, LI J, ZHAO P, XIE F

Manufacture of graphene oxide involves contacting one end face of carbon-based three-dimensional material electrode(s) in parallel with electrolyte solution, electrolyzing, electrochemically-oxidizing, and cutting graphite sheet layers.

XU H, ZHOU Q