锂

The influence of cerium on the behavior of lithium-aluminium alloy anode was studied.

文摘：研究了铈对锂铝合金阳极充放电性能的影响。

The presence of REE tetrad effects in apatites and whole rocks of S-type granites has been reported by Sha and Chappell (1999) and Zhao et al.(1999), respectively. The REE tetrad effect in minerals, such as apatite, spessartite, beryl, alkali feldspar and spodumene, from all zones of Altay No. 3 pegmatite has been found remarkable, and the fractionations among isovalent incompatible elements in these minerals are also significant. This paper puts forward that the REE tetrad effect is one of the basic features of peraluminous melts and the origin of REE tetrad effect might be probably related to some processes prior to the formation of pegmatite magma. The immiscibile liquid separation between silicate melt and hydrosaline melt may be responsible for it.

由于阿尔泰3号伟晶岩脉各带磷灰石以及与其共生的石榴石、绿柱石、碱性长石、锂辉石矿物均存在明显的稀土"四重效应"以及相同电价、相似离子半径的不相容元素间存在显著的分异，并结合最近赵振华等(1999)和Sha and Chappell(1999)报道S型花岗岩全岩和单矿物(磷灰石、独居石、长石、黄玉等)均存在稀土"四重效应"这一现象，本文研究提出，稀土"四重效应"是富挥发分过铝质岩浆体系的一个基本特征，其机制既不可能由含稀土的副矿物早期结晶引起残余熔体相中REE含量变化的结果，也不能定性地归因于流体相与熔体相相互作用过程中稀土元素在流体/熔体之间分异的结果，而很可能与伟晶岩岩浆形成之前某些过程密切相关，S型花岗岩岩浆在液相线以上存在硅酸盐熔体与高盐熔体的不混溶液相分离有可能是过铝质岩浆体系产生稀土"四重效应"的主要原因。

It has build in chargeable lithium ion battery with life time of approximately ten hours.

装有可充电的锂离子电池，可延用10小时。

But this kind of alloy has several Key problems such as easy oxidation,easy cinder inclusion,etc.

此外，二元镁锂合金的强度特别是高温强度偏低，使其应用领域受到很大限制。

The results of EIS show that both charge-transferresistance and the diffusion coefficient of lithium ions increases after TiO_2 coating.

交流阻抗的测试结果表明，TiO_2包覆后电荷传递阻抗增加，锂离子的扩散系数增加。

The diffusion coefficient of 〓 was determined by PITT.

利用恒电流间歇滴定法研究了〓中的锂离子扩散系数。

Because of the lower coercive force and high damage threshold, the crystal is chosen and designed for six period patterns.

由于周期极化掺杂氧化镁的铌酸锂晶体具有较低矫顽场和更高损伤阈值的优点，所以选择了该晶体并在其上设计了6个周期图案。

The force between electrode and current collector affected by PPy coating was also investigated.

采用原位聚合法，在阳极表面进行聚吡咯包覆以提高水溶液锂离子电池循环寿命。

In this dissertation, refining grains, depositing conductibility carbon film on the surface of the particles and doping Mg~(2+) into the lattice of LiFePO4 were adopted to improve the electro-chemical performance of the cathode material.

本文运用了多种合成手段和分析技术，从材料制备、结构表征到电化学性能方面对磷酸亚铁锂进行系统深入的研究，制备出了性能良好的电极材料。

Finally, the conductive mechanism of Li-ion battery has been discussed.

最后， 讨论了锂离子电池的导电机制。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。