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Focusing on the doubtable results and abnormal stress-strain curves in the tensile test of high grade line pipe body,the effect on test results of sample preparation process was analyzed,and it is considered that strain aging was the main reason caused pipe body tensile test result abnormal.

针对高钢级输送管管体拉伸性能试验中发现的异常值和异常曲线，分析了试样制备过程对试验结果的影响，认为应变时效是造成管体拉伸试验结果异常的主要原因。

We used solid earth tide as the reference strain, the strain data from these two instruments are basically identical.

以地球应变固体潮为参照，确定两种应变观测数据基本一致。

The peak of elastic strain energy decrease rate occurs in strain-softening stage.

峰后的应力－应变曲线越陡峭，弹性应变能降低率的峰值越高。

The new method is based on the relations between the elastic strain energy and distortion. By using thin-wall hypothesis and assumption of elastic strain energy distribution, it is practical to predict distortions of huge welding fabrication through integrating this method with finite element analysis.

该相似方法通过薄壁件条件简化了弹性应变能和变形间的关系，通过"虚拟模型件"将模型和实际构件的变形联系起来，使通过模型研究实际构件的焊接残余变形成为可行，从而为大型结构焊接变形的数值模拟结果提供了科学、现实的验证方法。

After in- troducing of the strain energy function, we first validated the derivation of the classical elastic constitutive equation using the strain energy function.

第三章从经典弹性力学和经典牛顿流体力学入手，在引入了应变能函数W〓以后，首先验证了经典弹性力学通过应变能函数导出弹性体本构方程的过程。

By means of finite element method,surface mechanical attrition treatment processes,such as strain,strain rate and stress of surface layer of the treated sample during the SMAT,were investigated.

运用有限元分析方法，对低碳钢表面机械研磨处理过程进行了数值模拟，分析计算了材料表面层的应力和应变分布情况，初步探讨了应变量和应变速率对材料塑性变形机制的影响。

Results Stable drug-resistant SW1990/GZ cell strain was established by culturing with gemcitabine for 9 months. The morphology and growth characteristics of the cell strain changed remarkably. The cells shrinked and became rounder; its endoplasm expanded; granular substances increased; and the doubling-time was prolonged. Resistance of the cell line to gemcitabine, fluorouracil, adriamycin, and mitomycin significantly increased. The TrxR activity of the drug-resistant cells was increased markedly.

结果 药物培养9个月后，得到稳定传代的SW1990/GZ耐药细胞株；其形态学、生长特征等均发生了明显变化，细胞变圆、体积缩小、内质网扩张、颗粒样物质增多及细胞倍增时间延长；对吉西他滨、5-氟尿嘧啶、阿霉素和丝裂霉素的耐药性均显著增加；耐药细胞的TrxR活性也明显增高。

Therefore, to analyze difference of immunogenicity among NDV epizootic isolates and vaccine strains in details and to establish methods to check immune and epidemic situation,we expressed F protein of strain F_(48)E_9 and strain La Sota respectively.

为了具体分析流行毒株和疫苗毒株之间的免疫原性差异情况和建立适用于检测ND免疫和流行情况的方法，我们又分别表达了弱毒疫苗株La Sota和标准强毒株F_(48)E_9的F蛋白。

For a self-made tube-packaged FBG strain sensor, the influencing factors of strain transfer ratio and the corresponding error transfer law with finite element method are studied.

目的 研究自行开发的管式FBG应变传感器自身的应变传递率影响因素及相应的应变传递误差规律，为FBG应变传感器的设计与开发提供参考。

Bimolecular rate constants to DDVP, eserine, omethoate, methomyl and propoxur of resistant housefly were lower than that of the susceptible strain, which were 26.51, 7.80, 7.70,12.54 and 22.48 times, respectively, in comparison with the susceptible strain, indicating the enzyme was insensitive to these insecticides.

不同浓度的DDVP、毒扁豆碱和残杀威对家蝇AChE的抑制作用表明，随着DDVP和残杀威浓度升高，AChE的残存活性降低较多，抗性家蝇AChE的残存活性高于敏感家蝇，而随着毒扁豆碱浓度的增加，AChE残存活性降低较少，并且当毒扁豆碱浓度很低时，在一定范围内，敏感家蝇AChE的残存活性高于抗性家蝇。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。