氧化镧

本文报道了用电感耦合等离子体质谱法（ICP－MS）测定高纯氧化镧中12个痕量稀土杂质的方法。

A method for the determination of 12 rare earth impurities in high purity lanthanum oxide by ICP-MS ( inductively coupled plasma-mass spectrometry ) .

氧化镧对硅烷交联PE-LLD热性能的影响

Effects of Lanthanum Oxide on Thermal Behavior of Silane Crosslinked PE-LLD

EDTA滴定法测定钼中氧化镧或氧化钇

EDTA Titration Determination of lanthanum oxide or yttria in molybdenum

氧化镧对Cu-O/γ-Al2O3催化剂活性和结构的影响

Effect of La 2O 3 on Activity and Structure of Cu O / γ Al 2O 3 Catalyst

EDTA滴定法测定氧化镧中稀土总量结果的不确定度评定

Evaluation of uncertainty in the measurement of total rare-earth content in lanthanum oxide by EDTA titrimetry

研究了ICP-AES法测定高纯氧化镧中十四种稀土杂质的方法。

A method for the determination of 14 rate earth elements in high-purity lanthanum oxide has been developed .

BET结果说明，当热处理温度超过800℃时，纳米氧化镧粒子快速增大，比表面积急剧下降。

The BET results show that when the temperature of heat treatment is higher than 800 ℃, particle size grows and specific surface area drops quickly .

甲烷在氧化镧上C-H断键活性中心的研究

Study on Active Sites for Splitting C-H Bond of CH_4 on Surface of La_2O_3

采用TEM分析表明：在不同的阴极电流密度下，可以得到不同粒度和形状的氧化镧颗粒，当电流密度在80~100A。

The result TEM shows that different shapes and sizes of lanthana are obtained under different current densities ranging from 40 to 150 A · m ~ ( - 2 ) .

XRD、DSC和TG表明，氢氧化镧在750℃下煅烧2小时，完全转化为纳米氧化镧；

XRD , DSC and TG results indicate that phase transformation occurs at 608 ℃, and all lanthanum hydroxide transforms into lanthanum oxide when it is calcined at 750 ℃ for 2h .

例如，Lynas的数据显示，氧化镧的每公斤价格已从2011年的16.26美元降至2014年第二季度的3.24美元。

Lanthanum oxide , for example , has dropped from $ 16.26 per kilogramme in 2011 to $ 3.24 per kg in the second quarter of 2014 , according to Lynas .

实验结果表明，添加氧化镧能有效增加活性氧化铝的比表面积，提高氧化铝的活性，体相中添加3%氧化镧经600℃煅烧10h后，比表面达到192.2m2/g。

The results show that the lanthana addition can increase effectively the specific surface area and activity of the alumina , the specific surface area of body added by 3 % lanthana reached 192.2m ~ ( 2 ) / g after alumina was calcined at 600 ℃ for 10 hours .

以氯化铋、碲粉、氯化镧或氧化镧为原料，采用180℃溶剂热合成和400℃、50MPa、1h热压技术制备了含稀土的新型Bi2Te3基热电材料。

Novel rare-earth contained bismuth telluride thermoelectric materials were prepared by solvothermal synthesis at 180 ℃ using bismuth chloride , tellurium powder and lanthanum chloride or oxide as starting materials , and the following hot uniaxial pressing ( HUP ), 400 ℃, at 50 () MPa for 1h .

稀土氧化镧掺杂钼合金的强化机制研究

The Strengthening Mechanism of Rare Earth Lanthanum Oxide Doped Molybdenum Alloys

镍-氧化镧纳米颗粒复合电铸的研究

Composite Electroforming Process of the Codeposition of La_2O_3 Nanoparticles with Nickel

氧化镧-钼的粉末粒度与显微组织结构

Powder particle size and micro structure of rhenium oxide - molybdenum

聚苯胺/纳米氧化镧复合涂层的制备及防腐蚀性能研究

Preparation of PAn / nano-La_2O_3 Composites Coatings and Corrosion Protection Study

稀土氧化镧作玻璃澄清剂的生产试验

Production tests on rare-earth lanthana as refining agent in glass melting process

在实用钛釉和锑釉中引入氧化镧。

La_2O_3 was introduced to commercial titania and antimony enamels .

用环烷酸萃取法制备高纯氧化镧

Preparation of Lanthanum Oxide in Extra Purity by Extraction of Naphthenic Acid

粒径大小；氧化镧粒径的测定

The measurement of the particle size of lanthanum oxide powder

纳米氧化镧对电铸电极材料抗电蚀性的影响

Influence of Nanometer La_2O_3 on Electrical Erosion Resistance of Electroformed Electrode Materials

氧化镧修饰活性氧化铝载体的孔结构

Bore Structure of the Active Alumina Carrier Modified by Lanthana

水合氧化镧吸附除磷的试验研究

Removal of Phosphorus from Aqueous Solution by Lanthanum Hydrate

非稀土元素对硫氧化镧铽发光性能的影响

The influence of non-rare earth impurities on the luminescence of Terbium-Activated lanthanum oxysulfide

分离系数与纯度的关系及高纯氧化镧的制备

The Correlation Between Separation Factor and Purity and Preparation of High Purity Lanthana

氧化镧改性沸石除磷脱氮研究

Nitrogen and Phosphate Removal by Activated Zeolite with Lanthana

溴氧化镧铽稳定性的研究

Study on the stability of terbium activated lanthanum oxybromide

导电聚苯胺/纳米氧化镧复合物的制备与表征

Preparation and Characterization of Conducting PANI / nano-La_2O_3 Composites

降低碳铵沉淀法生产氧化镧中氯离子含量的研究

Study on Technology of Decreasing Cl-Content in Producing La_2O_3 by Using NH_4HCO_3 Subsidence Method