查询词典 strain

The study indicated that the change of the strain of tangential bamboo appears mainly parabolic curve form, and the strain increase gradually from outside face to inside face in the thickness direction of bamboo wall in process of heating.

对四年生毛竹的弦向和径向热应变特性进行了检测和研究，研究表明在加热过程中弦向竹材的应变大体呈抛物线状变化，在竹壁厚度方向由竹青至竹黄应变呈逐渐增加趋势。

According to testing results, the stress-strain curve of the cemented soil stabilized the nanometer silica fume is fitted using a quadratic parabolic curve and expression equation for upward sector of the stress-strain curve is given.

根据试验结果，分析了纳米硅粉水泥土的变形特性，并对其应力应变曲线进行了二次抛物线拟合分析，推导了曲线上升段的表达式。

Moreover, the resistance level of the RSC strain was higher than that of the SRC strain, demonstrating that selection with more resistant hosts can accelerate the development of resistance in the parasitoid. Ratios of MFO activity in the SP, SRP and RP strains of P.

以SRP为寄主的RSC品系的抗性水平高于以SP为寄主的SRC品系的抗性水平，表明和抗性较高的寄主同步筛选，寄生蜂的抗性发展更快。

To the question of fatigue invalidating of strain gages in dynamic test(normally the zero drift value being bigger than the permissible value),the equations for calculating the fatigue life of the strain gages are derived on the basis of the fracture mechanics theory.

针对应变片在长时间的动态测试中疲劳失效(一般是测量误差超过允许值)问题，本文从疲劳断裂力学的基本理论出发，导出了应变片疲劳寿命的计算公式；实验表明，实验曲线与理论曲线吻合，这证明我们推导的公式的正确性，为应变片的疲劳寿命的预测、许可载荷的确定、失效判据的确立提供了理论基础。

Therefore, how to measure the strain field of bending for flexible polymer substrate that constitute the flexible display is an important technique. In view of the fact that traditional devices such as strain gages and photoelasticity are not suitable for measure large deformation, this study develops noncontact measurement as the first choice.

基於可弯曲性是软性显示器的最大特徵，因此如何量测构成软性显示器的软性高分子基板，在弯曲时的应变值与应变分布，为选用软性显示器构成材料时所使用的重要技术之一。

The strain of Spirulina is very important in the culture, so we filtrate the best strain S_2 from three strains S_1、S_2、 S_3 via the experiments of phototrophic batch culture and mixotrophic batch culture, and detected the empoisoning of the used medium. In the end we found no fomite, so it is highly advantageous to culture.

螺旋藻培养过程中藻种的质量非常重要，为此本试验首先从三株藻株S_1、S_2、S_3中通过光合自养和混合营养分批培养筛选出优良藻株S_2，并且对培养液进行污染检查，未发现染菌，大大的减少了工作量。

Rufa Planch could restrain the cell proliferation in the stomach carcinoma SGC7901, lymphocytic leukemia L1210, mouse neuroblastomax rat gliom hybrid NG108-15, and human hepatocellular carcinoma Bele7404 cell strain by clone cells and restrain the cell SGC7901, NG108-15 cell strain by MTT.

结果山梨猕猴桃根提取物用集落形成法R6，R8对胃癌细胞株SGC7901、白血病细胞株L1210、神经性肿瘤细胞株NG108-15、肝癌细胞株Bele7404的增殖有抑制作用；用MTT法对NG108-15，SGC7901的增殖有抑制作用。

Using a model regarding the impeller as homogeneous rotating circular with same thickness and various density,the residual strain field and plastic deformation zone size of certain supercharger impeller were calculated at 30 000 r／min over-speeding preload by means of axial symmetry plane stress elasto-plastic analysis method,and were compared with the result of resistance strain measurement method.

将柴油机涡轮增压器叶轮简化为一个均质、等厚、变密度的旋转圆盘，按轴对称平面应力弹塑性分析方法计算了国产某型增压器叶轮在30 000 r／min超速预加载后的残余应变场和轮内塑性区尺寸；又用电阻应变测量法测得超速叶轮的实际应变。

On the basis of the data obtained from Cam Plastometer,an RBF neural network prediction model is established by Matlab neural network toolbox,which corresponds with the relationship between flow stress and chemistry elements,temperature,deformation strain and strain rate of carbon steel.

以凸轮式高速形变试验机得到的实验数据为基础，利用Matlab人工神经网络工具箱，建立了碳钢的变形抗力与其化学成分、变形温度、变形程度及变形速度对应关系的RBF神经网络预测模型。

On the basis of the data obtained from the cam-type plastometer, four prediction models including the BP, Elman, RBF and GRNN neural network prediction models were established, which corresponded to the relationship between the deformation stress of nickel-chrome steel with chemistry elements, temperature, strain rate and deformation strain of the steel respectively. A comparative analysis for the prediction accuracy of the four models was obtained.

以凸轮式高速形变试验机进行的热模拟压缩实验得到的实验数据为基础，建立了热轧铬镍钢的变形阻力与其化学成分、变形温度、变形速度及变形程度对应关系的BP、Elman、RBF和GRNN 4种神经网络预测模型；并对4种网络的训练过程和预测精度进行比较分析。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。