1) neodymium zirconate
锆酸钕
2) magnesium-zirconium-neodymium alloy
镁锆钕合金
3) neodymium phosphotungstic acid
磷钨酸钕
4) neodymium carbonate
碳酸钕
1.
Crystalline neodymium carbonate was prepared by aging amorphous neodymium carbonate,which was formed by the reaction of neodymium chloride and ammonium bicarbonate,at elevated temperature.
以碳酸氢铵作沉淀剂,从氯化钕料液中沉淀钕,经陈化结晶制备碳酸钕。
2.
The characteristics of pH value variation during aging process of amorphous neodymium carbonate formed by three different feeding manners have been investigated.
结果表明:尽管稀土离子之间的性质极为相近,但在它们的碳酸盐结晶性能上却表现出了较大的差别,而且还与沉淀时无机化学学报第21卷表1在不同加料比下所得结晶碳酸钕的元素含量及组成分析Table1Elem entaland com position analyses for crystalline neodym ium carbonatesprepared w ith differentfeeding ratiosRatio ofreactantam ount Nd C H N Com position suggestednNH4HCO3/nNdCl3=2。
5) neodymium titanate
钛酸钕
1.
The results showed that the composition of neodymium titanate synthesized was Nd_2Ti_2O_7,the particle size was 1 to 2μm,the specific surface area was 4 to 5m~2/g.
采用溶胶-凝胶法合成钛酸钕,经煅烧制成粉末。
2.
The process of synthesizing neodymium titanate by the method of oxalic acid co-precipitation was studied and the possible reaction mechanism was brought forward, the influence of.
研究了草酸盐共沉淀法合成钛酸钕的工艺过程,提出了可能的反应机制,研究了灼烧温度对粉体粒度的影响,并用X射线衍射对粉体进行了表征,测定了粉体的粒度及比表面积,结果表明,用该方法合成的钛酸钕,其组成为Nd2Ti2O7, 粒度(D50)为0。
6) neodymium phosphate
磷酸钕
1.
Nano-crystal neodymium phosphate was obtained by solid state reaction when Nd_2O_3,HNO_3 and(NH_4)_3PO_4·3H_2O were used as starting materals and PEG-400 as template.
以聚乙二醇—400(PEG—400)为模板,三氧化二钕、硝酸和磷酸铵为起始原料,用固相反应技术合成磷酸钕,经XRD、FT-IR和TG/DTA技术反应的主产物进行分析。
2.
A method for separation and the preconcentration of trace lead and iron in cobalt sulfate by using neodymium phosphate as the coprecipitator and the detection with flame atomic absorption spectrometry was studied.
本法用磷酸钕 (NdPO4 )作为共沉淀捕集剂 ,分离富集CoSO4 溶液中痕量Pb2 + 和Fe3+ ,用火焰原子吸收光谱法(FAAS)测定。
补充资料：钕(neodymium)
【钕】(neodymium)化学元素[周期系第III族（类）副族元素、镧系元素]。稀土元素之一。符号`Nd`，原子序数60。原子量144.24。基态电子构型`1s^22s^22p^63s^23p^63d^104s^24p^64d^104f^45s^25p^66s^2`。化合价3。自然界有七种稳定同位素`_60^142Nd`、`_60^143Nd`、`_60^144Nd`、`_60^145Nd`、`_60^146Nd`、`
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参考词条