? Factor analysis-spectrophotometry was used as a method of component analysis for the absorption spectra of the three-component rare elements mixture system which were simulated by the linear combination of Lorentzian function and random errors.
其中对波长数的选择，原始数据的误差和波谱中吸收峰的重叠程度等因素对组份数确定的影响进行了深入的探讨，并运用本方法对Ｌａ３＋、Ｓｍ３＋、Ｙ３＋等三种稀土混合物体系进行了定性分析。
Deduces four experimental correlations for thermal conductivity of soil and mixture of soil and sand, which are easy for project use.
在不同含水率、不同密度条件下 ,利用探针法对土壤及不同比例的土沙混合物的导热系数作了实验研究 ,分析了影响土壤换热能力的因素 ,得到了便于工程使用的土壤及土沙混合物导热系数的实验关联
The experimental conditions relating to influencing the properties of mixed rare earth oxide fine powders were studied.
用氨水调ｐＨ共沉淀法制备混合稀土氧化物微细粉末。
The result sho-tvs that mixed rare earth oxide finepowders can be obtained.
以稀土总量为９５％的混合稀土氧化物为原料，用尿素－氧水在熟水溶液中调ｐＨ值共沉淀法制备了混合稀土氧化物微细粉末。
The results show that a certain amount of the mixed rare earth oxide content in the batch can increase the cold compression strength and the thermal shock resistance of the bricks.
研究了混合稀土氧化物对粘土砖和高铝砖性能的影响。
The effects of mixed rare earth oxides and CaCO_3 on microstructure in in-situ Mg_2Si/A1-Si composite were investigated by optical microscope.
在铸造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 effects of mixed rare earth oxides and CaCO3 on microstructure in in-situ Mg2Si/Al-Si composite were investigated.
在铸造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,研究了复合变质对组织的影响。
The effects of mixed rare earth oxides,CaCO3 and modification temperature on microstructure in in-situ Mg2Si/Al-Si composite were investigated.
在铸造Mg2Si/Al-Si复合材料过程中,研究了混合稀土氧化物、CaCO3及变质温度对初生Mg2Si变质效果的影响。
The synthesis of dibutyl(0- )phthalate by the catalysis of mixture rare earth oxide;
混合稀土氧化物催化合成邻苯二甲酸二丁酯
Synthesis of Hyperbranched Poly(Amide-ester) and Its Mixed Rare Earth Oxides Composites;
超支化聚酰胺酯（HBPAE）及其混合稀土氧化物复合材料的制备
A mixture of rare-earth elements and oxides used chiefly in manufacturing and coloring various forms of glass.
稀土与氧化物混合物稀土元素和氧化物的混合物，这要用于制造和给各种形式的玻璃上色
Surface Oxidation Behavior of Ignition-Proof Magnesium Alloy Added with RE
混合稀土阻燃镁合金的表面氧化行为
Preparation and Structure Analysis of Rare Earth Complex Oxide ZnYb_2O_4
ZnYb_2O_4稀土复合氧化物合成与结构解析
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
The Study on the Oxidation Kinetics of the Rare-earth Magnesium Alloy;
混合稀土阻燃镁合金氧化动力学的研究
Structure of Oxidation Film on Ignition-proof ZM5 Magnesium Alloys with MM (Mitschmetal) Addition
混合稀土阻燃ZM5镁合金的氧化膜结构分析
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
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
rare-earth oxide-coated cathode
稀土金属氧化物阴极
Room-Temperature Morphology Controling Synthesis of Nanostructured NaLn(MoO_4)_2 and Ln(OH)_3;
钼酸稀土钠盐和稀土氢氧化物微/纳米结构的室温形貌控制合成
Research of Refining Effects on Refined Magnesium Alloys with Rare Earth Refined Flux and Rare Earth Oxide Refined Flux;
含稀土和含稀土氧化物精炼剂对再生镁合金精炼效果的影响研究
Synthesis and Characterization of Nanometer Scale Ceria, Lanthana and Their Complexes;
稀土铈、镧纳米氧化物及其配合物的制备与表征
Studies on Preperation of Nano-oxysulfide via Pyrolysis of Rare Earth Complexes with Sulphur-contaning Ligands
热解含硫稀土配合物制备纳米硫氧化物的研究
RING OPENING POLYMERIZATION OF ε CAPROLACTONE BY BIS(ARYLOXO )LANTHANIDE(Ⅱ) COMPLEXES
二(芳氧基)稀土(Ⅱ)配合物催化ε-己内酯开环聚合