材料

In the dissertation the low-dimensioned orthovanadate nanomaterials such as Lanthanum orthovanadate (LaVO_4) nanorods, Cerium orthovanadate (CeVO_4) nanorods, Yttrium orthovanadate (YVO_4) nanorods and one-dimensional ammonium vanadate nanomaterials were chosen as the objects of study. Modern testing methods were used to study the preparation, structure and properties of low-dimensioned orthovanadate nanomaterials.

以LaVO_4纳米棒、CeVO_4纳米棒、YVO_4纳米棒等低维稀土钒酸盐纳米材料和一维钒酸铵纳米材料等为研究对象，采用现代测试手段对低维钒酸盐纳米材料的合成、结构和性能进行了深入研究，探讨了组成、结构及性能的相关性，分析了结构形成和性能优化的机理和规律。

The mechanisms of bone defect repairing by DBM+bBMP composite are realized by bone induction and conduction in the defect area, and its capacity of repairing bone defect is better than pure DBM. It is an ideal and effective osteogenetic implant substitute.

异体DBM复合bBMP材料通过骨诱导和骨传导两种方式修复骨缺损，其修复骨缺损的能力要优于单纯DBM材料，是一种较为理想，具有高效成骨活性的植骨材料。

The paper expatiated the physical characters and mechanical performances of the composite material slabs synthesized by one, two, three or four minerals namely mica, mica + calcite, mica+ pyrophyllite + calcite or mica + calcite + pyrophyllite + periclase. It is concluded that the quality of the composite material consist of multiple minerals is better than the single material.

因此 ，国内外常利用金属纤维、有机增强纤维(碳纤维、木质素纤维、聚丙烯纤维)和无机矿物(玻璃纤维、岩棉、海泡石纤维、硅灰石纤维)来替代石棉材料，用于生产摩擦材料和高档保温材料 [1-2 ]。

MALDINI State Key Laboratory for Fracture and Fatigue of Materials, Institute of Metal Research, Academia Sinica, Shenyang, Istituto Perla Tecnologia dei Materiali, Consiglio Nazionale Delle Ricerche, Italy

中国科学院金属研究所；材料疲劳与断裂国家重点实验室；意大利国家研究委员会特种材料研究所；意大利国家研究委员会特种材料研究所

The compressive strength, anti-tensile and rotation strength of the scaffolds were measured by almighty vitodynamics machine. 2、To make biologic safe test of nano-zirconia calcium phosphate scaffolds in vivo and vitro with polyethylene as a negative control and phenylic alcohol of 6.4% as positive control, include cell toxicity test, systemic acute toxic test, hemolysis test, the cytotoxicity and histocompatibility of the scaffolds were evaluated to offer valuable theoretical evidence for clinical safe application.

万能生物力学机测定骨支架的压缩强度、抗拉伸强度和旋转强度。2、以聚乙烯做阴性参照材料、6.4%苯酚溶液做阳性对照材料，对纳米氧化锆/磷酸钙骨支架进行了体内、外生物安全性试验研究，包括细胞毒性试验、全身急性毒性试验、溶血试验，评价其细胞毒性、组织相容性，为确保该材料临床应用的安全性提供有价值的理论依据。

A photochromic material, for example, changes its color in relation to the amount of ultraviolet radiation on its surface.

比如，热电材料实际上就是由包括一层半导体材料在内的几层不同材料组成的。

By changing the photosensitize concentration of C60and TNF,material s environment temperature,and applied electric field,the material s photoconduction is studied,finding out that the materials photoconduction is direct proportion to temperature,increases by the photosensitize concentration and applied electric field,contrasting the photoconductive of PVK+C60and PVK+TNF.

通过改变聚乙烯咔唑中光敏剂C60和TNF的浓度，材料体系的环境温度，以及外加电场场强的大小等，对材料体系的光电导效应进行了分析，发现材料的光电导具有正的温度系数，随光敏剂含量和外加电场场强的增加而增大，对PVK+C60和PVK+TNF的光电导进行了对比。

X-ray diffraction showed that the hydroxy-chromium oligocations can be used as a stable pillaring agent after aging at 70 ℃ for four days, and a pillared composite with high crystallinity can be obtain...

与原料2H-MoS2相比，柱撑材料的层间距增大，晶粒变小，比表面积增加并且热稳定性提高。对催化苯饱和加氢反应表明，柱撑材料Cr-MoS2的催化活性明显优于未柱撑的2H-MoS2和RaneyNi催化剂，且结晶度较好的柱撑材料更具有较高的催化活性和较好的可重复性。

When a metal is plastically deformed, interactions in the material's structure can cause the material to become stronger and harder.

当材料发生塑性变形时，材料内部的组织变化引起材料的强度和硬度增加。

It is equal to abandoned this part of material of nib lost and sharpens the saw-dust lost with the wooden pencil in fact, Because in 95%, the lead clothing pencil the raw materials utilization ratios of it material-saving the wrapping up core lead part removes the space of blind hole part of filling in backs end of pencil stub that are taken up of post of handle of pencil, The plumbaginous clothing material sharpens the saw-dust equivalent of material lost to consume with the wooden pencil basically, The pencil utilization ratio of raw materials produced with the timber is in 30-35%, a finished product pencil can only use two-thirds in using, Back one-third is abandoned, so the material-saving pencil is still pencil province of material-saving raw materials compared with wooden pencil.

被弃掉的笔头这部分材料实际上是与木制铅笔削掉的木屑是相等的，因为，节材铅笔它的原材料利用率在95%，铅衣包铅芯部分除去铅笔柄柱塞所占的铅笔头后端的盲孔部分的空间，铅衣材料基本和木制铅笔削铅衣削掉的木屑材料等量耗费的，而用木材生产铅笔的原材料利用率在30%-35%，一支成品铅笔在使用中只能使用三分之二，后三分之一被弃掉，所以节材铅笔与木制铅笔相对比还是节材铅笔节省原材料。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！