1) low oxygen and low fluorine dysprosium metal
低氧低氟金属镝
1.
During fused-salt extraction,one time to produce low oxygen and low fluorine dysprosium metal by the combining method of calcium reducing agent and fused-salt extractionare used.
对低氧低氟金属镝的制备工艺及机理进行研究,结果表明:采用氟化氢铵处理后,再用氟化氢气体氟化,并进行脱氟处理的干法氟化工艺,可得到高纯氟化镝,氟化率达99。
2) dysprosium metal
金属镝
1.
The method of intermediate alloy-vacuum distil lation for preparing high-purity dysprosium metal has been studied The influences of raw material purity and impurity removal by vacuum distillation were discussed.
采用中间合金-真空蒸馏工艺制备了高纯金属镝,考察了原辅材料纯度对高纯镝中主要非稀土杂质含量的影响,讨论了真空蒸馏法对杂质的去除效果,制得的高纯镝中主要非稀土金属杂质总和为70。
2.
Under the condition of argon gas, the new technology about preparation of hypoxia dysprosium metal by fusedsalt extraction method with DyF3 as extracted agent can widely reduce oxygen and calcium content in dysprosium metal.
在氩气保护下,以DyF3为萃取剂采用熔盐萃取法制备低氧金属镝的新工艺,可使金属镝中氧、钙含量大幅度降低,为工业规模化生产低氧、低钙金属镝提供了新的途径。
3.
Manufacturing technologies and refinement methods for dysprosium metal were reviewed.
综述了金属镝的制备工艺及提纯方法 ;介绍了镝在钕铁硼永磁合金、磁致伸缩材料、磁光记录材料等新型稀土功能材料中的应用情况 ;讨论了金属镝的研究、开发、工业化生产等方面的问题 ,并提出了相关建议。
5) metal suboxide
低价金属氧化物<冶>
补充资料：低氧
dīyǎng
[hypoxia;hypoxemia] [医]∶缺乏氧气;任何一种生理性氧量不足或组织需氧量不足的状态
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条