On the basis of the published literature and the interviews with some participants,this paper introducesthe early history of the studies of superconductive mate
A reciprocating magnetic refrigerator was developed based on the active magneticregeneration technology. Rare earth metal Gd and intermetallic compound LaFe11.2
The properties and applications of ZrO<sub>2</sub>-Y<sub>2</sub>O<sub>3</sub> material used as oxygen sensor were studied.Oxygensensors are studied by X-ray dif
A special property of methylammonium tungstate, so-called self-reductibility is studied in the present paper. The researchshows that the tungstate has the chara
Excellent epitaxial growth of supercon-ducting YBa<sub>2</sub> Cu<sub>3</sub> O<sub>7-x</sub> thin films have beenrealized on(100)SrTiO<sub>3</sub> and(100)ZrO<sub>