晶石

It is exhibited by ruby, kunzite, yellow-green synthetic spinel, some diamonds and opals, and many other substances.

它展示了红宝石、kunzite、黄绿色合成尖晶石，一些钻石和蛋白石等许多物质。

Lapis lazuli is a dark blue microcrystalline rock composed primarily of the mineral lazurite.

蜜腊为深蓝色微晶石的主要组成矿物青金石。

Modification of spinel LiMn〓O〓 by doping was studied.

采用体相掺杂的方法对尖晶石LiMn〓O〓进行了改性研究。

At 55 ℃,the surface modified LiMn_(2)O_(4) cathode material can stabilize the cycling and largely reduce the self-discharge of the battery.

因此，如何对尖晶石LiMn2O4进行改性，提高其循环性能，特别是高温下的循环性能是一个重要的课题。

It was concluded that the electrochemical performance of spinel LiMn〓O〓 varied with different synthesis conditions and the sample synthesized at 800℃ for 48 hour exhibited good performance.

不同合成条件下得到的尖晶石LiMn〓O〓的充放电曲线相似，但其比容量各不一样，循环性能也差异很大。

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。

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。

A citric acid complex method has been adopted to synthesize LiMn 2O 4 and the influence of synthesis conditions on the elctrochemical properties of the products has also been explored.

采用柠檬酸络合反应方法制备了尖晶石型LiMn2O4正极材料，并考察了合成条件对合成产物电化学性能的影响。

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。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。