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The effects of mixed rare-earth oxides and CaCO3 on microstructure in in-situ Mg2Si/A1-Si composite with different Mg contents were investigated by optical microscope.

在不同镁含量铸造Mg2Si/A1-Si复合材料过程中,加入混合稀土氧化物与CaCO3作为变质剂,并采用光学显微镜研究了复合变质对组织的影响。

The composite thin films, Ag-La_2O_3, Ag-Nd_2O_3, Ag-Sm_2O_3, Au-La_2O_3, Au-Nd_2O_3 and Au-Sm_2O_3, in which Ag/Au nanometer particles were embedded in rare-earth oxides, were deposited by vacuum evaporation.

在真空中用蒸发沉积的方法制备了埋藏有Ag或Au纳米粒子的稀土氧化物复合薄膜 :Ag -La2 O3、Ag -Nd2 O3、Ag -Sm2 O3、Au -La2 O3、Au -Nd2 O3和Au -Sm2 O3。

Under high pressure and below 1600℃ ,the sintering products are mixture of Si3N4 and the polymorphs of the rare-earth oxides.

在5～7GPa,600～1800℃的压力-温度范围内对组份为氮化硅-稀土氧化物微粉混合体(3Si_3N,+0。

Synthesis of Polylactides by Direct Condensation Polymerization Catalyzed by Rare-earth Oxide;

稀土氧化物直接法催化合成聚乳酸

Influence of the rare-earth oxide on the properties of boron carbide ceramics;

稀土氧化物对碳化硼陶瓷性能的影响

The Study on the Synthesis and Properties of Rare-earth Oxide Red Long-lasting Phosphor;

稀土氧化物红色长余辉发光材料的合成及发光性能的研究

Methods for chemical analysis of rare earth chloride and carbonate--Determination of total rare earth oxide contents

GB/T16484.19-1996氯化稀土、碳酸稀土化学分析方法氧化稀土总量的测定

Method for chemical analysis of rare earth chloride and carbonate--Determination of cerium oxide content

GB/T16484.1-1996氧化稀土、碳酸稀土化学分析方法氧化铈量的测定

rare-earth oxide-coated cathode

稀土金属氧化物阴极

Influence of Rare Earth Compound on the Desulfuring Properties of CaO

稀土化合物对氧化钙固硫性能的影响

The Research on the High Aluminum Zinc Based Alloy Intensified by Rare Earth Oxide;

稀土氧化物强化的高铝锌基合金研究

Synthesis of Ethyl Acetate Catalyzed by Rare Earth Oxide Nd 2O 3;

稀土氧化物(Nd2O3)催化合成乙酸乙酯

Methods for chemical analysis of rare earth chloride and carbonate--Determination of thorium oxide content

GB/T16484.4-1996氯化稀土、碳酸稀土化学分析方法氧化钍量的测定

Methods for chemical analysis of rare earth chloride and carbonate--Determination of nickel oxide content

GB/T16484.9-1996氯化稀土、碳酸稀土化学分析方法氧化镍量的测定

Methods for chemical analysis of rare earth chloride and carbonate--Determination of sodium oxide content

GB/T16484.8-1996氯化稀土、碳酸稀土化学分析方法氧化钠量的测定

Methods for chemical analysis of rare earth chloride and carbonate--Determination of manganese oxide content

GB/T16484.10-1996氯化稀土、碳酸稀土化学分析方法氧化锰量的测定

Methods for chemical analysis of rare earth chloride and carbonate--Determination of lead oxide content

GB/T16484.11-1996氯化稀土、碳酸稀土化学分析方法氧化铅量的测定

Methods for chemical analysis of rare earth chloride and carbonate--Determination of magnesium oxide content

GB/T16484.7-1996氯化稀土、碳酸稀土化学分析方法氧化镁量的测定

Preparation and Application of A_2B_2O_7 Rare Earth Complex Oxides;

A_2B_2O_7型稀土复合氧化物的制备与应用

The Synthesis and Characterization of Rare Earth Oxide Nanotubes and Nanowires;

稀土氧化物纳米管、线的制备及表征

Study on the Preparration Process of Cerium Dioxide Nano-Powder;

稀土纳米氧化物CeO_2粉体制备工艺研究

Effects of Lanthanum on the Growth and Reproduce of Tenebrio Molitor L.;

稀土氧化镧对黄粉虫生长繁殖的影响

Neodymium Doping Effect on Nano-Films of Tin Dioxide;

纳米二氧化锡薄膜的稀土钕掺杂效应

Compound oxide of rare-earth transitional race in mechanical ball-mill method;

机械球磨方法合成稀土过渡族氧化物