li2co3

This paper presents a method determining impure elements in Li2CO3 by emission spectrometry .

本文介绍了一种测定Li2CO3，中杂质元素的发射光谱分析方法。

Lithium is an important strategic resource , and the crystallization of Li2CO3 is the key process in the lithium industry .

锂是一种重要的战略资源，碳酸锂结晶过程是锂工业中一个最基本、最关键的环节。

Investigations of the Laws of Crystallization in the Process for Production of Li2CO3 from the Salt Lake Brine

盐湖卤水提锂过程中析盐规律的研究

It is important that scatter industrial Li2CO3 powder into crystallization pond in order to make Li + precipitate quickly .

为使结晶池卤水中Li+尽快沉淀，于其中撒入工业Li2CO3粉末是重要的。

The amount of acceptor additive Na2CO3 、 Li2CO3 and the reducing sintering temperature and the reducing sintering retention time were optimized .

同时优化了受主掺杂剂Na2CO3、Li2CO3掺杂量和还原烧结温度及保温时间。

The carbon element of sample with 4.94 % Li2CO3 had the minimum oxidation loss , and the oxidation resistance of the coating was the best .

碳酸锂加入量为4.94%的试样C元素氧化损失最小，涂层抗氧化能力最强。

The effect of grain boundaries was enhanced effectively by using Na2CO3 or Li2CO3 doping with Mn ( NO3 ) 2 as acceptors .

采用Na2CO3或Li2CO3与Mn（NO3）2的组合作受主掺杂可有效增强BaSnO3陶瓷的晶界效应。

In order to evaluate therapeutic effects of different doses of lithium carbonate ( Li2CO3 ) combined with (?) I in treatment of Graves disease , 17 patients were investigated .

作者分别用2种剂量的碳酸锂（Li2CO3）合并~（131）I治疗临床已确诊的Graves病17例。

Niobium oxide can reduce the reaction temperature ; the higher melting point lithium salt introduced rather than Li2CO3 has no activity although there is no problem of lithium loses .

结果表明，硅藻土载体可利用其多孔性能保护锂物种，助剂Nb2O5能降低活性温度，引入高熔点锂盐虽没有锂流失，但无活性。

When the content of Li2CO3 in the flux is less , the effect on droplet refinement is not obvious , but when it is more , the spatter is increased .

Li2CO3的影响比较复杂，含量较少时，细化熔滴作用不明显，含量多时，增大飞溅。

This experiment makes it possible to provide good-quality brines for the large-scale extraction of Li2CO3 of industrial value and furnishes a scientific experimental basis for the establishment of a complete optimum technological process .

该实验成果使下一步大规模工业Li2CO3生产所需的优质原料卤水的制取成为可能，并为完整优化工艺流程的建立提供了科学的实验依据。

Experimental results showed that with the increase of the solubility of the alkali carbonate ( K2CO3 > Na2CO3 > Li2CO3 ), the subsequent production of alcohols ranged from 2.0 mg .

结果表明，碱金属碳酸盐类助剂作用随溶解度的增加而明显增强，总的甲醇和乙醇的收率顺序为K2CO3＞Na2CO3＞Li2CO3。

K2CO3 and Na2CO3 as the best accepted catalysts of coal gasification showed high catalytic activity for the three different types of coals , and Li2CO3 showed some role in lowering peak temperature of gasification .

K2CO3和Na2CO3作为公认的煤气化最好的催化剂对这三种煤都表现出了很高的催化活性，而Li2CO3对降低气化峰温有一定作用。

Studies showed that the material has the best performance in the event of Li2CO3 as lithium source , sucrose as carbon source , the coating amount of 5 % , at the sintering temperature of 720 ℃ .

结果表明，以Li2CO3为锂源、蔗糖作为碳源，包覆量为5%时，在720℃烧结制备的材料具有最好的性能。

The viscosity of Na2CO3 、 K2CO3 、 Li2CO3 and their mixture was calculated in this paper . It was concluded that , the viscosity of molten carbonate salts change greatly with the increasing of temperature .

计算了Na2CO3、K2CO3、Li2CO3及其混合熔融体的粘度，结果表明，碳酸盐熔融体的粘度随温度的升高而降低，并且变化明显。

The determination of FT-IR suggested the improvement was caused by the formation of a semipermeable membrane containing Li2CO3 which was favourable for the passing through of lithium ion while preventing the solvents from further decomposition on electrodes .

通过FT&IR检测，认为是由于形成了含Li2CO3的SEI半透膜，有利于锂离子的通过，而阻止溶剂进一步在电极上分解。

Methods 101 cancer patients were randomized into the treatment group and control group . The treatment group ( 53 cases ) received CEP + Li2CO3 + base drugs therapy , and the control group ( 48 cases ) received CEP + base drugs therapy only .

方法101例实体瘤患者随机分为两组，治疗组（CEP方案+Li2CO3+基础用药）53例，对照组（CEP方案+基础用药）48例。

Sustained-release tablet ( S ) and ordinary tablet ( 0 ) of Li2CO3 were used to treat mania , 95 patients in each group . The response rates in groups S and O were statistically significant ( P < 0.01 ) .

比较碳酸锂缓释片与普通片治疗躁狂症各95例的疗效，结果前组有效率显著高于后组（P<0.01）。

Based on the theory of electro-chemistry , membrane separation and mass transfer , non-equilibrium thermodynamics was used to establish the mathematical model for CO2 removal using a molten salt membrane ( 43.5 % Li2CO3 + 25 % K2CO3 + 31.5 % Na2CO3 ) ( mol. % ) .

基于电化学理论、膜分离与传质理论，采用非平衡态热力学，建立了熔融盐（43.5%Li2CO3+25%K2CO3+31.5%Na2CO3）（mol.%）膜法脱除CO2数学模型。