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- rare earch oxide 稀土氧化物
- A method for direct determination of trace 14 rare earch elements in cerium oxide (99.95%) by inductively coupled plasma-atomic emission spectrometry has been studied. 本文研究了电感耦合等离子体原子发射光谱直接测定99.;95%25氧化铈中14种稀土杂质的方法。
- The effects of technical conditions of directive rare earth stearate synthesis process on rare earch recovery were systematically studied by orthogonal test. 通过正交实验方法系统地研究了直接法合成硬脂酸稀土过程中各工艺参数对稀土收率的影响。
- Behaviour of Rare Earch in Low-Sulphur Steel 稀土在低硫钢中的作用规律
- Keywords ICP-AES;Mixed rare earch;Alloy; 关键词ICP-AES;混合稀土铜合金;
- Keywords Na DDTC;light rare earch chloride solution;low content Mn 2+;remove; 氯化轻稀土溶液;低含量锰;去除;
- Keywords rare earch;iron-alloy compounds: microstructure: magnetostriction; 稀土;铁合金化合物;显微结构;磁致伸缩;
- How can you get rid of this oxide coating? 你们该怎样除去这些氧化皮?
- It was in the days when motorcars were rare. 那是在汽车还罕见的时代。
- A mixture of black manganese oxide minerals. 硬锰矿一种黑色氧化锰矿的混合物
- A top hat is a rare sight these days. 高顶大礼帽现在已不多见。
- I must admit I am very fond of collect rare book. 我得承认我很喜欢海内珍本。
- It's very rare for him to be so late. 他很少迟到。
- A gaseous anesthetic, such as nitrous oxide. 气体麻醉剂一种气态的麻醉剂,如一氧化二氮。
- Keywords rare earch complexes;asymmetric diaza crown ether;synthesis;characterization; 不对称双氮杂冠醚;稀土配合物;合成;表征;
- Red squirrels are now very rare in Britain. 红色的松鼠在英国已十分罕见了。
- The white-lipped deer are rare in this area. 白唇鹿在这个地区很罕见。
- These rare tigers are protected by special laws. 这些珍贵的老虎受到专门法律的保护。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- A rare smile lit up his stern features. 他那难得一见的微笑在他死板的脸上平添一些生气。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries