1·It suggests that rare-earth elements yttrium and praseodymium have certain genotoxicity.
提示稀土元素钇和镨具有一定的遗传毒性。
2·In citric acid praseodymium could be quantitatively deposited at mercury cathode, while the deposition percentage of neodymium is 97%.
镨在柠檬酸溶液体系中可定量地进入汞相，钕的电沉率亦达97%左右。
3·The mechanism of formation of yellow praseodymium zircon pigments has been investigated by using platinum wire-marker technique.
用铂丝标记技术研究了镨锆黄颜料的形成机理。
4·The spectra of reactive bright blue praseodymium and dyed silk cloth by reactive bright blue praseodymium dyestuff were studied by UV Vis and IR spectra respectively.
分别测定了活性翠蓝、活性翠蓝镨的紫外可见光吸收光谱以及染色后真丝绸的红外光谱。
5·Praseodymium and neodymium could be deposited at lithium or quaternary ammonium amalgam electrode, but not at sodium amalgam electrode.
镨、钕在季铵汞齐电极和在锂汞齐电极上都能形成汞齐，而在钠汞齐电极上则不能。