lanthanum

noun

1. 镧
   a chemical element. Lanthanum is a silver-white metal.

1. The effects of lanthanum salt-doping on the photocatalytic degradation of methylene blue in solution, phase structure and crystallite size of the TiO2 films were investigated.
   研究了镧盐掺杂对样品相结构、晶粒尺寸和光催化降解亚甲基蓝活性的影响。
2. The Study on Preparation and Properties of Lanthanum Doped Nano-hydroxyapatite
   纳米掺镧羟基磷灰石的制备与性质研究
3. Influences of Lanthanum and Low pH Value on the Seed Germination and Taproot Growth of Arabidopsis thaliana
   镧和低pH值对拟南芥种子萌发和主根生长的影响
4. Effect of Rare Earth Element Lanthanum on Structure and Properties of 0.20C Steel
   稀土元素镧对20钢组织和性能的影响
5. Objective To investigate the effects of lanthanum chloride on serum inflammation media in diabetic rats.
   目的探讨稀土三氯化镧对糖尿病大鼠炎症介质的影响。
6. Effects of Lanthanum Stearate on the Thermal and Mechanical Properties of Silane Crosslinked LLDPE
   硬脂酸镧对硅烷交联LLDPE热性能和力学性能的影响
7. Research on sol-gel process for lanthanum and cobalt oxides synthesis
   镧钴氧化物合成的溶胶凝胶形成过程分析
8. Methods Samples were assayed by acetylene-air flame AAS using releasing agent lanthanum chloride.
   方法采用空气-乙炔火焰原子吸收光谱法，氯化镧作为释放剂。
9. Effects of Lanthanum on Excitatory Amino Acids and Calcium Homeostasis of Cerebral Cortex in Rats
   镧对大鼠大脑皮质兴奋性氨基酸和钙稳态的影响
10. Crystalline lanthanum carbonate was synthesized using ammonium bicarbonate as the precipitant.
    以碳酸氢铵为沉淀剂合成了碳酸镧晶体。
11. The effect of lanthanum benzoate on the rheological behavior of PP was studied.
    研究了苯甲酸镧对PP流变性能的影响。
12. The Role of Lanthanum Chloride on Cancerous Cell Growth and Invasiveness
    氯化镧对肿瘤细胞生长及侵袭性的作用研究
13. Reaction of Lanthanum Chloride with Human Enamel
    氯化镧与人牙釉质的反应及生成物分析
14. Polymerization of Phenylacetylene Catalyzed by Lanthanum Chloride and Cerium Chloride/ n-BuLi Catalytic Systems
    基于三氯化镧和三氯化铈/正丁基锂体系催化聚合苯乙炔脱氧炔诺酮乙炔雌二醇
15. The optimal processing parameters and conditions of passivation films on galvanized steel sheet treated with rare-earth cerium and lanthanum salts were obtained by orthogonal experimental method.
    运用正交试验分别对稀土铈盐和镧盐钝化进行试验，得出该两种稀土盐钝化镀锌钢板的最优参数和工艺条件。
16. Determination of Useful Selenium in KCl by Hydride Generation-Atomic Fluorescence Spectrometry after Coprecipitation with Lanthanum Hydroxide;
    氢氧化镧作为共沉淀剂，沉淀用盐酸溶解，氢化物-原子荧光光谱法测定钾肥中的有效硒。
17. The present status and future prospects of the production and application of lanthanum oxide are reviewed with their sales on both the domestic and foreign markets pointed out.
    综述了我国氧化镧生产的主要发展现状；介绍了该产品的应用领域及前景；指出了国内外市场的销售情况；针对目前存在的一些问题提出了建议和措施。
18. Description: Lanthanum carbonate is insoluble in water and soluble in acids.
    说明：碳酸镧不溶于水，溶于酸。
19. Microstructure and Properties of Lanthanum Chromites Based Composites
    掺杂铬酸镧基复合材料的组织与性能研究
20. Effect of Lanthanum Content on Structure and Properties of High Manganese Steel for Lining Board
    镧含量对衬板用高锰钢组织和性能的影响
21. Preparation and Performance of TiO_2 Films Precoated with Lanthanum Salt
    预涂镧盐的二氧化钛薄膜制备和性能
22. Existing States of Lanthanum and Cerium in WC-Co Hardmetal
    镧、铈在WC-Co合金中赋存状态的研究
23. Influence of Lanthanum and Yttrium on Low Carbon Steel Electrode Deposited Metal
    镧、钇元素对低碳钢焊条熔敷金属影响的研究
24. Study on the catalytic synthesis of cinnamaldehyde glycol acetal by titanium sulphate doped lanthanum oxide;
    以碘为催化剂，分子筛作除水剂，以肉桂醛和乙二醇为原料合成肉桂醛缩乙二醇。
25. Photoluminescence of Rare Earth Borates and Lanthanum Oxysulfide Phosphors; Determination of total rare-earth elements in steel by OES
    稀土硼酸盐和硫氧化镧荧光粉的光致发光火花源发射光谱法测定钢中稀土总量
26. The direct synthesis of lanthanum stearate is studied under the reaction of stearic acid to La2O3 in the presence of catalyst.
    研究了硬脂酸和氧化镧在催化剂作用下直接合成硬脂酸镧的方法。
27. Effects of Perchlorate on Alternanthera Philoxeroides and the Regulating of Lanthanum
    高氯酸盐对水花生的影响及镧的调控作用
28. Study on synthesis of the kinetics of thermal decomposition of lanthanum complexes with Schiff base of amino acids
    稀土镧氨基酸Schiff碱的合成及热分解动力学研究
29. AZ31 Mg alloy substrates were soaked in the mixed solution of cerium nitrate and lanthanum nitrate to generate dual rare earth conversion film.
    采用硝酸铈和硝酸镧混合溶液对AZ31镁合金进行了双稀土转化处理，讨论了浸渍时间对转化膜耐腐蚀性能的影响。

noun

1. a white soft metallic element that tarnishes readily

   Synonym:    Laatomic number 57