搜索结果: 1-5 共查到“工学 Rare Earth Elements”相关记录5条 . 查询时间(0.116 秒)
Appalachian Coal Ash Richest in Rare Earth Elements
Appalachian Coal Ash Rare Earth Elements
2016/6/12
A study of the content of rare earth elements in U.S. coal ashes shows that coal mined from the Appalachian Mountains could be the proverbial golden goose for hard-to-find materials critical to clean ...
SPIE supports bill to ensure crucial rare-earth elements supply for optics and photonics innovation
Proposed legislation optics and photonics industry domestic rare-earth industry
2011/4/21
Proposed legislation aimed at securing a reliable supply of materials essential to the optics and photonics industry has received support from SPIE, the international society for optics and photonics....
Rare earth elements, Sr, Ba, Fe, and major cation concentrations in some living foraminiferal tests collected from Iriomote Island, Japan: An exploration for trace element behavior during biogenic calcium carbonate formation
foraminifera rare earth elements calcium carbonate partitioning biomineralization
2017/8/9
Rare earth elements (REE), Sr, Ba, Fe, Mg, Ca, Na, and K concentrations in three kinds of living foraminiferal tests collected from Iriomote Island, Japan were measured in order to obtain some qualita...
Analyses of impurities in cast magnesium-rare earth elements alloys
Magnesium alloy Rare earth elements Microstructure
2011/3/17
Microstructure analyses of impurities in binary Mg–3%RE and Mg–8%RE alloys are presented. Light microscopy and scanning electron microscopy (SEM+EDX) techniques were used to characterize the investiga...
专著信息
书名
Modification Mechanism of Rare Earth Elements in ZA27 Casting Alloys
语种
英文
撰写或编译
作者
Liu Guili,Li Rongde
第一作者单位
出版社
Journal of Rear Earth. 21(6).660-663, 2003.12
出版地
出版日期
2003年
12月
日
标准书号
介质类型
...