锂

This article is divided into seven parts, the first part is the structure of LiNbO ; The second part is the basic physical property (especially for optical property); The third project is for the mix substance which takes some operation for LiNbO crystal; The 4th and 5th part for cyclical polarization niobic acid lithium crystal synopsis and application; The sixth part for Laman spectrum synopsis and the seventh part is the something about experiment.

本文共7部分，第1部分为铌酸锂晶体的结构；第2部分为基本物理性质；第3部分为铌酸锂晶体的掺工程；第45部分为周期极化铌酸锂晶体的简介及应用；第6部分为拉曼光谱简介；第7部分为实验部分。

This article is divided into seven parts, the first part is the structure of LiNbO ; The second part is the basic physical property (especially for optical property); The third project is for the mix substance which takes some operation for LiNbO crystal; The 4th and 5th part for cyclical polarization niobic acid lithium crystal synopsis and application; The sixth part for Laman spectrum synopsis and the seventh part is the something about experiment.

本文共七部分，第一部分为铌酸锂晶体的结构；第二部分为基本物理性质；第三部分为铌酸锂晶体的掺工程；第四五部分为周期极化铌酸锂晶体的简介及应用；第六部分为拉曼光谱简介；第七部分为实验部分。

The method is used to preconcentrate Li and separate matrix in geological samples, and contents of Li in those samples determined by ID-ICP-MS, giving precise of 3% and good accurate results.

分离后 ，用 ICP-MS测定锂同位素的比值，具有较高的测量精密度。用同位素稀释电感耦合等离子体质谱测定地质样品中微量锂，结果相对标准偏差 sr%。方法检出限低，精密度高，分析速度快，是测定锂的较理想方法。

Moreover, the matrix effect was investigated. The results showed that samples could be completely decomposed by melting in lithium tetraborate and lithium carbonate mixed flux at about 1000℃. The introduction of lots of lithium and matrix magnesium in solution affected the determination, which could be corrected by matrix matching. Calcium, iron and aluminium with high content had no spectral interference with other elements with low content.

结果表明，样品用四硼酸锂和碳酸锂混合熔剂在1000℃左右的温度下熔融，可以完全分解试样；引进试液中大量锂和基体铁时测定有影响，用基体匹配的方法克服，含量较高的钙、铁和铝对含量低的其他元素没有光谱干扰。

Compared with the unactivated P polyelectrolyte film, the activated form P/PMMA polyelectrolyte film obtained by adopting the technology of the invention has better absorbency, room-temperature conductivity, electrochemical stability and the interface stability of electrolyte and lithium electrode; the performance of a lithium secondary battery prepared by using activated electrolyte is obviously better than the performance of the lithium secondary battery prepared by using the unactivated polyelectrolyte; the invention has simple technology, short reaction time, and convenient and easy condition for technologized production.

采用本发明技术获得的活化型P/PMMA聚合物电解质薄膜相比未活化的P聚合物电解质膜，有更好的吸液性和室温电导率，更好的电化学稳定性及电解质和锂电极的界面稳定性；用活化后的电解质制备的锂二次电池性能明显好于未活化聚合物电解质制备的锂二次电池；本发明工艺简单，反应时间短，为工艺化生产提供了简便易行的条件。

It is prepared from titanium tetrachloride carried on an alcohol carrier that Mg and Li chlorides with molar ratio of 1:(2-20) are dissolved in alcohol, and by: co-dissolving Mg chloride and Li chloride in a low carbon alcohol and stirring at high speed in an inert medium to form micro-particles; reacting the said alcohol with titanium tetrachloride twice, adding organic acid polyester at first time, washing out uncarried titanium tetrachloride, and drying to obtain powdery pruduct.

它是由四氯化钛负载于将氯化镁和氯化锂共溶于醇形成的醇合物载体上组成，其中氯化锂与氯化镁的摩尔比为1∶2～1∶20。这种主催化剂组分的制备有两个步骤：(1)无水氯化镁和氯化锂共溶于低碳醇中形成醇合物，并在惰性介质中高速搅拌形成醇合物微粒；(2)醇合物与四氯化钛进行两次反应，其中第一次反应时加入有机酸多元酯。反应结束后用惰性溶剂洗去未负载的四氯化钛，干燥后得到呈粉末状的主催化剂组分。

It was described in this paper the effect of vinylene carbonate as additive on rechargeable lithium cell with carbon anode.

本文仅对碳阳极的锂离子二次电池添加剂做探讨。1添加剂的引入及作用锂离子在电解液中和溶剂分子形成溶剂化物，这些分子和锂离子一起插入石墨层，并在石墨层中发生电化学分解引起它的脱落。

But in some brines, the content of Magnesium is very large, relative high ratio of Mg/Li hampers the advance of Lithium industry.

但某些卤水中镁的含量很高，镁锂比值很大，较高的提锂成本制约了我国锂盐产业的发展。

It is one of the new trends for lithium recovery from the low concentration of lithium -containing brines by inorganic-ion-exchange method.

无机离子交换法主要适合于从含锂较低的卤水中提取锂，是开发我国盐湖锂资源的重要研究方向之一。

In this experimental research, some optimal technical conditions and operation parameters were decided, which can be applied to those brines with high ratio of Mg/Li. Based on the principle of the method, high-quality product of Lithium carbonate can also be got.

本研究初步确定了高镁锂比卤水提锂的工艺条件和操作控制参数，得到了质量较好的碳酸锂产品。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。