1)lanthanum carbonate碳酸镧
1.Based on the variation of solution pH and precipitation particle size during the precipitation and crystallization process of lanthanum carbonate,which precipitated with ammonium bicarbonate,the spontaneous crystallization characteristics were investigated.根据碳酸镧沉淀与结晶过程中溶液 p H值和沉淀粒度的测定结果 ,对碳酸镧沉淀的自发结晶性能进行了研究 ,结果表明 :碳酸镧自发结晶的活性区域位于碳酸氢铵与镧离子的沉淀反应摩尔比 1∶ 1～ 2 。
2.Based on pH situ determination data,together with the results of variation in precipitation volume and precipitation partical size,the properties of lanthanum carbonate precipitated with sodium bicarbonate were investigated.以pH值原位测定法为基础 ,结合沉淀体积变化、沉淀粒度及外观形貌分析结果 ,对NaHCO3沉淀镧的性能及碳酸镧的结晶过程进行了研究。
3.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。
英文短句/例句
1.Determination of Lanthanum in Lanthanum Carbonate Chewable Tablet by Spectrophotometry分光光度法测定碳酸镧咀嚼片中镧含量
2.Preparation of Lanthanum Carbonate Nanosheet and Evaluation of Phosphate Binding Ability;碳酸镧纳米晶的制备及其磷结合效果的评价研究
3.A Systematic Review of Lanthanum Carbonate for Hyperparathyroidism in Dialysis Patients;碳酸镧治疗维持性血液透析患者高磷血症有效性和安全性的系统评价
4.Methanation of carbon dioxide over the LaNiO_3 perovskite catalysts activated under the reactant stream反应气中活化后的镍酸镧用于二氧化碳加氢生成甲烷(英文)
5.lanthanumdoped lead zirconate-lead titanate掺镧的锆酸铅－钛酸铅
6.Effects of La_2O_3 and Lanthanum Stearate on Crystallization and Mechanical Properties of LLDPE;氧化镧和硬脂酸镧对LLDPE结晶与力学性能的影响
7.Blood-compatibility of La_2O_3 Doped Amorphous Carbon Film氧化镧掺杂非晶碳薄膜的血液相容性
8.Thermochimica of Complexes of L-Gluamic and L-Alanine with La(Ⅲ);镧与谷氨酸丙氨酸混配合物的热化学
9.dipotassium carbonate (neutral carbonate)碳酸二甲（中性碳酸盐）
10.carbonation gas碳酸气, 碳酸饱充用气
11.ammonium carbonate [chloride]碳酸 [氯化] 铵
12.The Preparation and Examination of Potassium twi-11-Tungstomanganate of Lanthanide Elements镧系元素双-11-钨锰酸钾的合成与鉴定
13.A Study on Sintering Behavior and Electric Properties of Ca-doped Lanthanum Chromites;掺钙铬酸镧的烧结行为及导电性研究
14.Preparation and Properties of Lanthanum Zirconate-Based Electrolytes;锆酸镧基电解质材料制备和性能研究
15.Effect of La2(SO4)3 and IBA on Rooting in Sweet-scented Osmanthus Cutting;硫酸镧和IBA对桂花插条生根的影响
16.Effects of lanthanum nitrate on growth of Dendrobium fimbriatum tube seedling硝酸镧对流苏石斛试管苗生长的影响
17.Self-Condensation of Cyclohexanone over Keggin Type Lanthanum Phosphotungstate CatalystKeggin型磷钨酸镧催化环己酮自缩合反应
18.Study on Preparation of Lanthanum Soap From Biodiesel Oil and its Application生物柴油制备脂肪酸镧及其应用研究
相关短句/例句
La2O2CO3碳酸氧化镧
1.The activation led to the formation of small metallic nickel particles and hexagonal lanthanum oxocarbonate(La2O2CO3).活化过程中生成了金属镍颗粒和碳酸氧化镧。
3)lanthanum carbonate nanosheet碳酸镧纳米晶
4)lanthanum carbide碳化镧
5)bastnasite氟碳铈镧矿
1.Meanwhile,technological process of bastnasite spearation RE is achiveed.根据以轻稀土为主的氯化稀土原料的组成特点 ,针对氟碳铈镧矿 ,应用串级萃取理论原理进行优化设计 ,得到氟碳铈镧矿分离稀土的优化工艺流
6)lanthanum,praseodymium,neodymium sesquecarbide三碳化二镧
延伸阅读
碳酸镧分子式：La2(CO3)·8H2O CAS号：性质：一般均含有一定的水合水分子。是斜方晶系，能和大多数酸反应，在25℃水中溶解度2.38×10-7mol/L。在900℃时可热分解为三氧化二镧。在热分解过程可产生碱式盐La2O3·2CO2·2H2O。碳酸镧可与碱金属碳酸盐生成可溶于水的碳酸复盐La2(CO3)3·Na2SO4·nH2O。向可溶性的镧盐的稀溶液中加入略过量碳酸铵即可制得碳酸镧沉淀。
