合板

A micro method was presented to study tensile strength of stitched laminates. A geometrical model of local waviness of fiber around stitches was established.

提出了缝合复合材料层合板抗拉强度的微观分析方法，建立了针脚处纤维局部弯曲的几何模型。

The experimental results also show that Young's modulus in the thickness direction of woven hybrid material is also strain rate dependent.

实验结果还表明，编织状混杂复合材料层合板沿厚度方向的弹性模量也是应变率相关的。

Gu Y.X., Zhao G.Z., Li Y.P., Optimum design and sensitivity analysis for buckling stability of composite laminated plates, Acta Materiae Composita Sinica, 2002, 19(4), 81-85

顾元宪、赵国忠、李云鹏，复合材料层合板屈曲稳定性优化设计及其灵敏度计算方法，复合材料学报， 2002， 19(4)， 81-85

The three-dimensional exact solution methods for dynamic problems of a finitely long piezoelectric composite laminates are studied .

有限长压电层合板结构动态问题的三维精确解研究。

The one is Pagano method which has been proven effective to static problems, but it is very complicate for the three-dimension dynamic problems of finitely long piezoelectric laminated plates.

同时，指出Pagano方法求解动态问题所遇到的困难，为克服这些困难，提出了一种求解压电层合板动态问题三维精确解的幂级数展开方法。

The equivalent elastic modulus and the nominal axial stress of non-regular holey laminated plates are assumed.

引入等效弹性模量和名义截面应力的概念，建立了单向非规则多孔材料层合板的正交各向异性力学模型。

However, the processing technologies of stitched composites are relatively more complicated. Stitching has negetive effect on some inplane mechanical properties, and the advantage of great interface mechanical properties cannot be brought into play under hygrothermal conditions.

但是， 缝合复合材料的工艺相对比较复杂，缝合对层合板的部分面内力学性能存在一定的负面影响，而且在湿热环境条件下其层间强度高的优势无法发挥。

Under the mutual action of fatigue and creep, the destroy form of the composite board is mainly the syntheses of the fiber fracture, interface destroy and interbedded crack.

在疲劳／蠕变交互作用下层合板的破坏形式主要为纤维撕裂、界面剪切破坏和层间开裂3种形式的综合表现。

The stitching method to enhance interlaminar toughness of stitched-laminates was mainly discussed in this paper based on our research and experiment.

在缝合式层间强度的提高研究中，从断裂力学的角度，采用作为层间裂纹扩展阻力的能量释放率来评价层合板复合材料的层间断裂韧性。

The modifined formula of interlaminar stresses is derived and by using continuous conditions.

给出了复合材料层合板壳弯曲变形的高阶位移模式，利用连续条件，导出了层间应力修正公式，并推导了相应的有限元方程。

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。