lanthanum

用法例句

A Study on Rare Earth Metal Microalloying of Alloy Steel;

合金钢的稀土金属微合金化研究

Through coordination-induced method, the process of micellization via rare earth metal Eu(Ⅲ)- bipyridine (bpy) with block copolymer of PEO-b-PAA (PEO113-b-PAA82) in different solvents [V(H2O)∶V(alcohol)=7.

研究了稀土金属铕(Ⅲ)-联吡啶(bpy)有机配合物与双亲水性两嵌段聚合物聚乙二醇-聚丙烯酸(PEO113-b-PAA82)在不同溶剂中[V(水)∶V(乙醇)=7。

The additives include rare earth metals such as La and Ce and transitional metals such as Zr and Cu.

采用固定床微反应器装置,考察了添加稀土金属(La,Ce)和过渡金属(Zr,Cu)助剂及助剂添加量对甲烷自热重整制氢反应的影响。

New rare earth and buckminsterfullerene complex, C 60 [La(Gly) 2] 2(ClO 4) 6 has been synthesized, and characterized by UV VIS, IR and elemental analysis.

合成了稀土金属富勒烯配合物C60 [La(Gly) 2 ]2 (ClO4) 6,并用IR、UV VIS、元素分析等手段对其进行了表征 。

Zn/HZSM-5 as catalyst to the carrier, the active component impregnation La, Ce, Pr and Tb were introducted, rare earth elements on the catalytic activity of different components were filtered.

催化剂以Zn/HZSM-5为载体,通过浸渍法将活性组分La、Ce、Pr和Tb等引入催化剂,对催化剂不同稀土金属元素活性组分进行了筛选。

Stoichiometric amounts of rare earth nitrate:La(NO3)3,Sm(NO3)3,Eu(NO3)3,Gd(NO3)3 and Fe(NO3)3·9H2O were thoroughly mixed,active carbon was used as the template,polyvinyl alcohol(PVA) and urea were introduced as the inhibitor and the homogeneous precipitator,respectively.

以稀土金属硝酸盐La(NO3)3、Sm(NO3)3、Eu(NO3)3、Gd(NO3)3和Fe(NO3)3。

Preparation of rare-earth metal complex catalysts for catalytic wet air oxidation of wastewater;

废水催化湿式氧化稀土金属氧化物催化剂的研制

Analysis of Rare-earth Metal in Dryers;

涂料用稀土催干剂中稀土金属含量分析研究

Adding some rare-earth metal to the positive material of alkaline Zn-MnO2 batteries was studied.

通过将不同含量的3种稀土金属添加到正极活性物质中,探讨其对碱性锌锰电池性能的影响。

rare and rare earth metal ore deposit

稀有和稀土金属矿床

rare-earth oxide-coated cathode

稀土金属氧化物阴极

a pyrophoric alloy made from a mixture of rare-earth metals.

稀土金属混合而成的发火合金。

Yttrium serves as an ideal non-magnetic diluent for the rare-earth metals.

钇被用作稀土金属一种理想的非磁性稀释剂。

Calculations of the Transition-metal Clusters and the Rare-earth Intermetallics

过渡金属团簇和稀土金属间化合物的计算

European Rare-Earth Actinide Society (ERES)

欧洲稀土金属和锕元素协会

Preparation and Characterization of the Rare Earth Metal-Containing Transparent Optical Plastics;

掺杂稀土金属光学塑料的制备与表征

Ultrasonic-Induced Synthesis and Characterization of Rare Earth Metal Nanomaterials

稀土金属纳米材料的超声法合成研究

Calculations of Formation Enthalpies of Al-RE Intermetallics

铝-稀土金属间化合物形成焓的计算

Study on Synthesis and Luminescence Properties of YVO_4∶Eu Rare Earth Metal

稀土金属YVO_4∶Eu制备方法和性能研究

Theoretical study on structural properties for rare earth intermetallic compounds RFe_2Zn_(20-x)In_x

稀土金属间化合物RFe_2Zn_(20-x)In_x的结构属性研究

Synthesis、Characterization and Fluorescence Properties of Rare Earth-Rare Earth and Rare Earth-Non-Rare Earth Mental Doped Complexes with Crown Ethers and p-Phthalic Acid;

掺杂稀土及非稀土金属的稀土冠醚对苯二甲酸配合物的合成、表征及荧光性能

Analysis on Listed Company's Share Ownership Structure of Enterprises of China Rare Earth and Rare Metals Industry

中国稀有稀土金属行业上市公司股权结构分析及改进策略

THE STUDY ON ACTION OF TREATING PET COATED WITH FIBROIN BY RARE EARTH METAL ION

稀土金属离子处理丝素涂膜涤纶的作用研究

Molecular Assembly of Inorganic-Polyamine Materials for the Separtaion of Rare Earth Metal Ions;

分子组装无机—聚胺材料分离稀土金属离子

a bivalent and trivalent metallic element of the rare earth group.

稀土属二价和三价金属元素。

a trivalent metallic element of the rare earth group; occurs with yttrium.

稀土属三价金属元素，与钇共生。

Beijing Non-ferrous Metals & Rare Earth Research Institute

北京有色金属与稀土应用研究所