材料

As the increase using of lithium-ion battery, it is necessary and benefice to consider the recycling of the cells.

目前主要是应用湿法冶金技术回收电极材料中的有价金属，如锂、钴、镍等，另外随着锂离子电池的发展以及对之研究的深入，也开始对失效的电极材料进行修复的探索。

The olivine lithium iron phosphate (LiFePO4) has the potential to be a new commercial cathode material for lithium ion battery due to its abundant resources,low cost,non-toxicity,environmental benignancy,high theoretical capacity,good thermal stability and excellent cycling performance.

橄榄石型磷酸铁锂正极材料具有原料来源丰富、价廉、无毒、环境友好、理论容量高、热稳定性和循环性能好等特点，有望成为新一代锂离子电池正极材料。

Hitherto she had steadily borne up against the pressure of malady, and had not betaken herself finally to bed

地质水中一个十分主要的事实是：当受到很大水压时，脆性材料如岩石等有变成延性材料的趋势。

This paper is mainly to instruct some common bimetallic bearing material and combination technology.

本文主要介绍一些常用的双金属轴承材料以及双金属轴承材料与钢背的复合工艺。

Yet unique to Milliken, it uses PVC-free material as backings,while generally PVC,which is very hard to be biodegrade once discarded,is used as backings.

但与一般地毯使用废弃后难以降解的PVC材料作为后垫不同的是，美利肯地毯用不含PVC的材料作为后垫。

According to these principles, the author selected Hydrilia verticillata and Elodea nuttll as suitable pioneer submerged macrophytes for Suzhou 863 Project.2 In this article, intercomparsion of several different vegetate materials was discussed from contaminations release, growth potential, biotic province and improvement effects of water environment.

从物质释放、植物生长势、生物区系和水质改善效应四个方面考虑对不同基质材料进行了比较实验研究。研究结果表明：棕毛植物纤维是适合伊乐藻和黑藻的理想沉床基质材料。

The first liquid crystal material has birefraction index approximately equal to one half of that of the second liquid crystal material.

其中，第一液晶材料层的双折射率约略等于第二液晶材料层的双折射率的一半。

This may be bitumen or a grout of concrete or some other substance.

这些材料或者是沥青，或者是一层水泥薄浆，还可能是某些其他的材料。

Emphasis was placed on CB-polymer interaction adjustment in order to control dispersion of carbon black aggregates in polymer matrix and obtain technical data for designing and manufacturing PTC products of practical values.

本论文在中山大学材料科学研究所有关工作的基础上，着重从聚合物基PTC材料的组成和加工工艺的角度，以炭黑填充单一低密度聚乙烯为参照体系，通过调节炭黑-聚合物基体之间的界面相互作用、控制炭黑的分散程度与分布状态，进而研究炭黑填充低密度聚乙烯/乙烯-乙酸乙烯酯共混物基PTC型复合材料，力图改善上述不足，为更好地了解这类PTC材料的结构-加工-性能之间的关系，设计和制造具有实际应用价值的PTC制品提供科学依据。

Investigates experimentally the blacktop performance of high-speed way utilizing recycled asphalt mixture, as well as the cause of damage to blacktop and its aging mechanism.

从高速公路沥青路面材料的再生利用出发，研究废旧沥青混合料中各种原材料的路用性能，以及沥青路面损害的原因及路面材料老化的机理。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。