锂

Three kinds of matrics are used; machinable phlogopite glass-ceramic,lepidolite glass-ceramic and LAS glass-ceramic.

基体采用三种材料：金云母可切削微晶玻璃，锂云母和LAS微晶玻璃。

During the study, many factors, such as: density of H2SO4 solution, reaction ratio of materials, reaction temperature and time, are studied how to effect the extraction yield of Li2O. After these studies, the optimal conditions are summarized: 50% H2SO4 solution and lepidolite powder which has been grounded to a particle size of 80~100microns, react at 2:1ratio,120℃ temp for 8h～10h.

在此过程中主要探索了硫酸水溶液的浓度对氧化锂提取率的影响，以及硫酸溶液与云母粉的反应配比、反应温度、反应时间对提取率的影响；研究了提取液pH值的调节对溶液中金属离子的影响。

Shanghai Rui Li Zhenning, chairman of the investment letter to judge the case.

上海芮锂镇宁，投资信董事长对该案件作出裁决。

And the error limit of flux sensor under 5%, the error limit of intelligent Heat Meter up to grade 2 according to the precision criterion of heat meters.

基于MSP430单片机的智能热量表满足《中华人民共和国城镇建设行业标准CJ128-2000热量表》的标准要求，电源采用内装3.6V锂电池，使用寿命超过八年；流量传感器误差限不超过5％，总体热量表精度达到2级精度标准。

It was concluded that the magnitude level of diffusion coefficient in spinel LiMn〓O〓 cathode is 〓 and diffusion coefficient was affected by doping and surface treatment.

采用恒电位阶跃方法研究了锂离子在尖晶石LiMn〓O〓中的扩散系数及其改性对它的影响。

lithium ion battery,cathode material,spinel,LiMn_(2)O_(4),coat

对于LiMn2O4作正极材料的锂离子电池在高温下的容量衰减，其主要

On the base of reviewing the development of lithium ion battery and its cathode materials in detail, spinel LiMn〓O〓 and layered LiMnO〓 were chosen and their synthesis and modification were studied.

本文在详细评述了锂离子电池及其正极材料研究进展的基础上，选取锰系材料中最稳定的尖晶石LiMn〓O〓和目前容量最高的层状LiMnO〓为研究对象，对其合成和改性进行了详细研究。

However, the spinel LiMn〓O〓 and olivine LiFePO〓 are very hopeful material with low price and few toxic and higher specific capacity, etc.

本文从降低锂离子电池的生产成本和提高材料的稳定性出发，主要研究尖晶石LiMn〓O〓和橄榄石LiFePO〓的合成制备方法，以及掺杂提高电池材料的稳定性等问题。

The resultant LiMn 2O 4 synthesized under the optimum synthesis conditions has perfect spinel structure and is an excellent ca...

在最佳合成条件下，即Li／Mn＝1／2及温度800℃，制备的LiMn2O4具有完美的尖晶石结构及良好的电化学性能，完全可以用于高比能长寿命的锂离子蓄电池。

The main content of this thesis includes: studies on the preparation, surface-modification mechanism and electrochemical performance improvement of spinel LiMn〓O〓; Preparation and properties of 5V cathode materials 〓; Physical properties and electrochemical performance studies on layered 〓 for lithium ion batteries.

本论文的主要研究内容包括：正尖晶石LiMn〓O〓的制备、表面修饰改性机理以及电化学性能的改善；具有正尖晶石结构的5伏正极材料〓的合成与性能探索；具有层状结构的镍锰基化合物〓的物理性质与其作为锂离子电池正极材料的电化学性能以及该材料的产业化探索。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。