合板

In order to satisfy the special request in aero field, zero expansion coefficient is perfect.

应用遗传算法对层合板的泊松比进行优化设计的结果进一步证明了层合板具有特殊泊松比这一特殊的性能和设计的可操作性。

In the study of moisture absorption and desorption in composites, Fick s law is often used to describe the diffusion process of water in the composites.

在研究复合材料层合板的吸湿和退湿过程中，常常采用菲克定理来描述水分在层合板中的扩散过程。

By using o f the first order shear deformation shell theory, the strain-displacement relat ionships were presented.

采用Hamilton原理、压电理论和层合板壳的一阶剪切变形板壳理论，推导了压电层合板壳系统的运动方程。

Water-soluble fire retardants, including AP, Bio-fax, Dricon and FR, were impregnated into plywood with vacuum pressure treatment to increase its incombustibility.

本试验调配四组水溶性防火药剂，以眞空加压方式注入合板，期能制造符合国家标准CNS-6532规定之室内装饰用耐燃合板。

Compared with results of two methods, GA method is much better than the 'isotropy' method .

本文通过对层合板热膨胀系数的研究和设计，指出了过去常用的零膨胀系数的工程设计方法在精度上的不足，应用遗传算法进行优化设计的层合板更加接近真正意义上的零膨胀。

On the basis of classical lamination theory and large deflection hypotheses of plate, the equilibrium and compatibility equations of simply supported composite laminated plates were obtained. The nonlinear partial differential equations are transformed into the ordinary differential equations of Kronecker tensor product by series expansion and solved numerically by the fourth-order Runge-Kutta method.

基於经典的层合板理论及板的大挠度基本假设，得到四边简支层合板的非线性运动方程及变形协调方程；用级数展开把非线性偏微分方程组化为易於求解的Kronecker张量积形式的二阶常微分方程组，并由四阶Runge-Kutta法数值求解。

Carbon/epoxy is one of lamination composite which is made of carbon

碳环氧是碳布与环氧树脂构成的一种层合材料，可以将该材料近似看成是由单向碳纤维增强板叠合而成的层合板。

Based on the variational principle of virtual voltage and virtual displacement derived in this thesis and the classical theory of linear laminated plates, and by using the constitutive equations of elastic piezoelectric materials, and the DKQ quadrilateral plate bending element, the finite element modeling for the fabric reinforced laminated plates with nonlinear voltage-electric strain relationship of piezoelectric actuators has been established for the first time in this thesis. And the expressions for the electric loadings with obvious mechanical meaning and convenient for computation are established, which can be used to the deformation analysis of laminated plates with piezoelectric actuators under specified voltages.

以本文直接导出的压电结构的虚电势—虚位移变分原理为基础，依据经典线性层合板理论和压电弹性体的本构方程，采用基于离散法线假设的DKQ四结点任意四边形薄板弯曲单元，首次建立了考虑非线性电压—电应变关系的含压电致动器的纤维增强型层合板的有限元分析模型，并推导建立了力学意义明确、便于计算的电荷载表达式，可用于指定电压条件下纤维增强型叠层合成板的变形分析。

Thus, this method is not restricted by the thickness and the layers of the laminates. And, it provides an valuable research method to the analysis of the interlaminated stress and failure of the laminates .

因此，该方法不受层合板厚度和层数的限制，它为层合板（特别是多层复合材料厚板）的层间应力和层间破坏分析提供了一种有效的研究工具。

Labeling process is in line with the COTS and squeege formed the COTS guaranteed cutan, when the charts after gelatinize cots and when you turn the subject box of the front end to scroll in the form of stick out a label; with a label of panels continue to campaign,张合 by 揭标-揭标 e-?·|-clamping of the label side margin was off, when the then standard barrel go to one side of the bearing bottle turntable with Mark intracavernous when the aluminum foil on the bottle labels; at the same time the label of the bottle with the cap bottles go taiqian line also with the pallet for the 90-degree rotation, across the brushlelss label group label is brushlelss; the last high school marching to starred on the head part of applanation.

贴标过程是胶辊和刮板配合使胶辊上形成一定厚度的胶膜，当标板经过胶辊时涂胶并在转过标盒前端时以滚动形式粘取出一张标签；带着标签的标板继续运动，由揭标筒的张合揭标指夹住标签侧缘而被揭下来，当接标筒转到承瓶转台一侧时通过压标海绵将铝箔标贴到瓶口上身标同时贴上）；贴了标签的瓶子随承瓶转台前行的同时还会随托盘作90度旋转，穿过刷标组时标签被刷平；最后行进到压标星轮上将盖顶部分压平。

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。