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- heavy rare earth oxide 重稀土氧化物
- The first crystallized microstructure can be fined though the effect of rare earth oxide on heterogeneity nucle-us. 通过异质核心的作用,能够细化堆敷金属中的一次结晶组织。
- This paper discussed the influence of rare earth oxide on fireclay refractory performance by SEM and AES. 本文通过SEM扫描电镜及晶相微区分析探讨了稀土氧化物对粘土质耐火制品性能的影响,研究发现;
- This paper reports on the full scale tests of production of crystalline rare earth carbonates from low grade heavy rare earth ores. 报道从重稀土型低品位稀土矿中制取晶型碳酸稀土的工业实验情况。
- This method could determine many non-REE in enriched-europium mixture rare earth oxide at a time and it was a rapid method. 该方法能同时测定富铕混合稀土氧化物中多种非稀土元素的含量,提高了分析速度。
- Deposition inversion and pulverization pyrolysis are the better preparation methods on the study of rare earth oxide ultra micro powder. 本文针对稀土氧化物超微粉末的研制,提出较好的制备方法:沉淀转化法和喷雾热解法。
- It is discovered that REE, especially heavy rare earth elements(HREE) are of certain indicating significance for uranium transportation, enrichment and exploration. 发现稀土元素,尤其是重稀土元素对铀的区域富集及铀矿化作用有一定的指示意义。
- The hyphenated technique of high performance liquid chromatography with inductively coupled-atomic emission spectrometry has been studied to analyze the rare earth oxide products. 本工作研究了用高效液相色谱-电感耦合等离子体发射光谱的联用技术分析稀土混合物的方法。
- The results show that increarsing the content of divers fluorides,carbonate and rare earth oxide in flux core will make the content of diffusible hydrogen in weld reduce. 结果表明,适当提高药芯中多种氟化物、大理石及稀土氧化物含量,将有利于降低焊缝中扩散氢含量。
- A novel rare earth oxide glass antifogging agent has been developedin this paper,and the antifogging agent composed with surfactant,additive,dispersantand rare earth mixture. 研制了一种新型稀土氧化物混合物防雾剂,其由表面活性剂、添加剂、分散剂和稀土混合物混合而成。
- The ingredients of yttrium-based heavy rare earth magnesium nodulizing alloys was investigated, as well as their effects to resist nodulization fading and nodular graphite degeneration was test. 研究了钇基重稀土镁球化剂的组成,试验了钇基重稀土镁复合球化剂对抗球化衰退、抗石墨球畸变的作用。
- The sample solution has been separated with light rare earth element through the P507 chromatograph column,then sepertated with the heavy rare earth element through the N263 chromatograph column. 试液经P_(507)萃取色层柱,使钇与轻稀土元素分离,再经N_(263)萃取色层柱,使钇与重稀土元素分离。
- Precipitation by oxalate is the primary method to produce rare earth oxides. 稀土草酸盐沉淀法是制备稀土氧化物的主要方法。
- The addition of rare earth oxide promoters La2O3 and CeO2 into the Ni/MgO catalysts (labeled as NLM and NCM) may affect their physico-chemical properties and catalytic performance. 稀土助剂La2O3、CeO2对Ni/MgO催化剂有一定的改性效果。
- Mineral composition, process characteristic and floatability of heavy rare earths in phosphorite ore in Guizhou are summarized in this paper. 概述了贵州某地含重稀土磷块岩矿的矿石物质组成、工艺特性及可浮性研究。
- The results showed that heavy rare earths in phosphorite ore were utilized by the purification method of reverse flotation. 研究结果表明,该类型含重稀土磷块岩矿石可采用反浮选方法富集,具有开发利用价值。
- In the paper, the dielectric spectra of rare earth oxide CeO_2 ceramics in LF and RF ranges at room temperature have been investigated, the dielectric constant and the dielectric loss and their temperature dependence have been given. 研究了CeO_2陶瓷室温下低频和射频的介电谱,并给出了介电常数和介质损耗及其与温度的关系。
- To study the catalysis of nanometer transition metal oxide(TMO) and rare earth oxide(REO) on the thermal decomposition of AP,nanometer TMO(Fe_2O_3,CuO and Co_2O_3) and nanometer REO(CeO_2,Nd_2O_3 and Y_2O_3) were prepared. 为了解不同种类的过渡金属氧化物与稀土金属氧化物纳米粒子对AP热分解的催化作用,分别制备了过渡金属氧化物纳米粒子(F e2O3,CuO和Co2O3)和稀土金属氧化物纳米粒子(C eO2,N d2O3和Y2O3),并进行相互掺杂混合。
- Reducing content of hydrogen effect of fluoride,carbonate,active chide and rare earth oxide in weld by self-shielded flux-cored wire with CaF2-TiO2 MgO slag system is investigated. 探讨氟化物、大理石、高价氧化物和稀土氧化物在氟钙钛渣系自保护药芯焊丝中的降氢机理。
- heavy rare earth coordination compounds 重稀土配合物