力学

An experimental investigation was carried out to study the effect of carbonation on mechanical properties and durability of concrete.

本研究利用加速试验法探讨碳化对混凝土力学性质与耐久性之影响。

It was found that the carbonization temperature had evidence influence on the mechanics properties of woodceramics.

研究发现烧结温度对木陶瓷的力学性能有明显影响。

4Pre-oxidization and carbonization of PAN/MWNT fibers A typical producing technology of carbon fibers was used to pro-oxidize and carbonize the PAN/MWNT composite fibers.

4对PAN/MWNT复合纤维进行了预氧化和碳化处理，得到MWNT改性的碳纤维，对复合碳纤维的形态结构与力学性能进行的初步探讨。

Compared with homo-polymimdes and copolymimdes,PAIs can evidently improve mechanical properties while maintaining excellent solubility,high Tg and thermal stability of fluorenyl cardo polyimides.

与均聚PI，共聚PI相比，PAI在维持芴基Cardo型PI优异的溶解性，高的玻璃化转变温度及热稳定性的同时，明显改善力学性能。

The results show that the introduction of fluorenyt cardo groups can;a.evidently increase Tg;b.partly improve the solubility but the effect is not outstanding;c.not decrease thermal stability;d.not decrease mechanical properties when the molar content of cardo group is low.

结果表明Cardo结构的引入可以；a。明显提高Tg；b。部分改善溶解性，但效果不明显；c。不降低热稳定性；d。当Cardo基团的摩尔含量较低时，不降低力学性能。5。

In this study, the electrical conductive composites (comprised of thermoplastic matrix resins-high density polyethylene, polyphenylene sulfide and polyarylethersuifone with cardo group, and conductive fillers-short carbon fiber, carhon black and graphite) are prepared and characterized in detail. The relation among composite structure and directalternating electric properties, some electric and magnetic parameters under X-band microwave and shielding effect, the mechanical behaviour are analysed. And furthermore, some relative experimental devices are developed.

本工作利用短切碳纤维、炭黑、石墨为导电填料填充热塑性树脂高密度聚乙烯、聚苯硫醚、酚酞型聚芳醚砜，制得具有良好导电性能和机械性能的导电性高分子复合材料，并以此为对象，研究了材料的稳恒电场和交变电场的基本特性与材料结构的关系，研究了在X波段微波场下的电磁参量及屏蔽效应，以及研究了复合材料及其基体树脂的力学行为，与此同时还建立了相应的表征测试手段。

mechanical factor is one of the most important factors in cartilage tissue engineering.

力学因素是软骨组织工程中的重要影响因素之一。

Based on this point, the mechanics and finite element models for casing stress calculation are established.

在考虑这一特点的基础上，建立了套管应力计算的力学及有限元模型。

To discuss the different influence of cataplasia in the adjacent lumbar segmenta and offer theoretical instruction for clinic,the research was carried out by observing the biomechanical influence in the adjacent segmenta after different lumbar intervertebrae been fused.

通过对不同腰椎水平椎间融合后对邻近节段生物力学影响的研究，探讨因融合在不同腰椎水平对邻近节段退变影响的差异，为临床行腰椎融合术时提供指导意义。

Objectives 】 To discuss the different influence of cataplasia in the adjacent lumbar segmenta and offer theoretical instruction for clinic,the research was carried out by observing the biomechanical influence in the adjacent segmenta after different lumbar intervertebrae been fused.

通过对不同腰椎水平椎间融合后对邻近节段生物力学影响的研究，探讨因融合在不同腰椎水平对邻近节段退变影响的差异，为临床行腰椎融合术时提供指导意义。

They go to town. Would you just ask them?

他们在城里你能问他们吗？

Ossein pretreated for a2 weeks period exhibited the maximum% yield incase of bone gelatin, while the yield from intact skin was higher than that realized incase of de-scaled skin.

预处理时间达2星期的骨胶原表现出最高的骨明胶百分产量，然而从未处理鱼皮中得到的产率比去鳞的鱼皮得到的要高。