文件大小:1527K
A ruthenium compound exhibits large negative thermal expansion. The ruthenium oxide is represented by the formula (1) Ca2−xRxRu1−yMyO4+z (wherein R represents at least one element selected from among alkaline earth metals and rare earth elements; M represents at least one element selected from among Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, and Ga; and the following relations are satisfied : 0≤x<0.2, 0≤y<0.3, and −1
点赞 0
反对 0
举报 0
收藏 0
打赏 0
评论 0

- 用于回收汽车尾气的原料及其制备方法
0下载197浏览271K

- 一种3d-4f仿生金属笼及其制备方法和应用
0下载422浏览305K

- 一种增韧耐火电缆护套材料
0下载501浏览243K

- Oxidation catalyst
0下载283浏览59K

- 一种镁合金浸蚀剂及其使用方法
0下载458浏览304K

- 一种稀土采矿碎石收集装置
0下载166浏览608K

- 一种含Li的轻质高强镁合金及其制备方法
0下载425浏览671K