合板

The study on the fatigue behaviors of composite laminates is presented in this paper.

对带各种缺口的复合材料层合板的疲劳性能进行了研究。

In order to predict the mechanical property and strength of the plain woven fabric composite, a finite element model of the Representative Volume Element with a convexo-convex structure was established based on plain woven fabric laminates in the distribution of micro yarn.

为更准确预测平纹织物复合材料的强度，基于平纹织物层合板内纱线的细观分布，建立具有双凸结构的特征体积单元RVE有限元模型。

A four\|node piezoelectric composite laminated plated element was implemented for dynamic analysis of adaptive structure. The damping ratios of truncated models were considered as the control objects, so that each of the structural modal oscillation could decay rapidly. Hence, the structural oscillation was effectively controlled.

利用四节点压电复合材料层合板单元进行自适应结构的有限元动力分析；采用模态控制方法，将结构的各阶模态的阻尼比作为控制目标，并以此计算出各压电片的控制电压，达到控制结构振动的目的。

It is clearly that only two geometrical parameters i.e. maximal misalignment angle and distortion width need to be determined experimentally.The engineering constants around the stitch hole in the composite laminate are analyzed using the FDM.

采用纤维弯曲模型分析了缝纫复合材料单层在缝纫孔附近的最大纤维偏转角、缝纫影响区以及缝纫复合材料单层及层合板工程常数的变化，发现工程常数具有很明显的区域性，能够看出各层中树脂富集区的痕迹。

Based on Reddy higher-order shear deformation plate theory and general von Kármán-type equations, the analytical solutions for free vibration and dynamic response of simply supported functionally graded plates with piezoelectric layers in thermal environments are described with double Fourier series, where temperature-dependent material properties are taken into account.

基于Reddy高阶剪切变形理论和广义Kármán 型方程，用双重Fourier级数展开法求得了热环境下带压电层的功能梯度复合材料混合层合板的自由振动及动力响应的解析解，分析中考虑了材料热物参数对温度变化的依赖性，讨论了环境温度和控制电压对固有频率及动力响应的影响。

Study on optimum design of ply orientation angles for natural frequencies of composite plates with random elastic constant.

对具有随机弹性常数的复合材料层合板的固有频率优化问题进行研究。

Corrugated fiberboard is a kind of laminated plate, which has a sandwich structure and is used to make corrugated box.

瓦楞纸板具有夹层结构，是一种层合板，主要用来制造瓦楞纸箱。

A first order shear deformation theory of piezoelectric shell was proposed, which is based on Hamilton's principal, linear piezoelectricity theory and first order shear deformation laminated shell theory.

提出了一种压电层合板壳的一阶剪切变形理论。

Based on Hamilton principle, the equation of active vibration control of the piezoelectric laminated plate is derived.

采用Hamilton原理推导了压电层合板主动振动控制方程。

A building material- combustibility-tester (model P2-RE3 from Toyoseki, Japan) and Chinese National Standards CNS6532 were used to evaluate the incombustibility of plywood.

试验结果得知防火剂注入处理之合板，其抗燃性以自行调配之FR防火剂者效果最好，其次为防火剂AF及Dricon；再次为Bi-fax。

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。