The catalytic system formed from polymer-supported neodymium complexes shows high catalytic activity and stereospecificity for butadiene polymerization.
聚载-剂具有很高的活性和定向效应.
The catalytic system formed from polymer-supported neodymium complexes shows high catalytic activity and stereospecificity for butadiene polymerization.
聚载-剂具有很高的活性和定向效应.
Rare earth metals, such as metallic neodymium and metallic didymium (metallic praseodymium-neodymium), are used for rare earth magnets, mainly neodymium-iron-boron magnet.
稀土金属,如金属和金属皮(金属镨,) ,用于稀土磁铁,主要铁硼磁铁。
Neodymium is a bright, silvery rare-earth metal element, found in monazite and bastnaesite and used for coloring glass and for doping some glass lasers.
1据查,是“一种亮银色的稀土金属元素,见于单独在石和氟碳锑矿中存在,用于给玻璃染色和给一些玻光器上色。
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