壳板

According to the structural feature of parallel single disk gate valve,the strength and rigidity of body will be calculated with finite element method,and with cylindroid shell theory .

根据主闸阀结构特点，分别用有限元法和椭圆柱板壳理论公式计算了阀体的强度与刚度，并进行了分析对比，同时对闸板的刚度进行了校核。

The variation regularity is discussed that the stress, temperature and deformation of the current-carrying annular plate are altered with the variation of loaded electromagnetic parameters. According to the relation between the deflection of annular plate and the parameters, it is proved that the deformation and stress can be controlled by changing the electromagnetic and mechanics parameters.

变换电磁参量，讨论了载流环形薄板应力、温度及变形随外加电磁参量的变化规律；根据圆环形板的挠度与参量之间的变化规律，并通过实例证实了可以通过改变电、磁、力场的参数来实现对板壳的应力、应变状态的控制。

For the long composite cylindrical panels, including the influences of the transverse shear deformation, rotatory inertia and initial geometric imperfections, the nonlinear dynamic equations of the long composite cylindrical panels were derived from Hamilton's philosophy. The nonlinear partial differential equations were transformed to ordinary differential equations by expansion in series and solved numerically by fourthorder Runge-Kutta method.

针对含初始几何缺陷的复合材料圆柱曲板，考虑横向剪切变形、转动惯量、初始几何缺陷以及非扁壳等诸多因素，利用Hamilton原理导出复合材料长圆柱曲板的非线性动力方程；用级数展开把非线性偏微分方程组转化为二阶常微分方程组，并由四阶Runge-Kutta方法数值求解。

Synthetic rubber, rubber side grillwork, cloth at the end of rubber, sponge rubber, single / dual Sticking EVA, rubber jai, HBR, high foam, foam, fire sponge, sponge peaks, separated / sound-absorbing cotton, pearl cotton, flannel, velvet paper, paper Park, filters, film books, fast bus paper, the red cylinder of paper, the Green Shell paper, composite paper, mica plate, cold red boards, epoxy boards, electricity boards, PVC, PET film, Mark La films, golden paper, light silver paper, aluminum foil, laser paper, conductive paper cards and so on.

合成橡胶，方格纹橡胶，布底橡胶，海棉橡胶，单/双面贴EVA，回力胶，HBR，高发泡，泡棉，防火海棉，波峰海棉，隔/吸音棉，珍珠棉，绒布，绒纸，纸朴，隔尘网，簿胶膜，快巴纸，红缸纸，青壳纸，复合纸，云母板，冷冲板，环氧板，电木板，PVC，PET胶片，唛拉片，金光纸，光银纸，铝箔纸，镭射纸，导电咭纸等。

Based on the 4 nodes element used for piezoelectric composite laminate plate and finite element method,and using sensitivities of structural displacements with respect to actuator voltages,the static deformation control considering smoothness requirement for platelike adaptive structure with piezoelectric material layers as actuators is studied in this paper.

基于四节点压电复合材料层合板单元和相应有限元分析方法，利用结构位移对电压的灵敏度，对以压电材料为作动器的板壳自适应结构，进行了考虑平整性要求的静力变形控制。

During the time of ship construction and operation, some local components also need to evaluate the structural stability.

加筋板是船舶与海洋结构物的基本结构形式，因此研究加筋板壳的稳定性有着十分重要的工程意义。

Are covered by a theca, or armour, composed of many textured plates that form one horn in the front

壳由许多具花纹的板片组成，这些纹板组成一个前角和通常两个后角

Ceratium species are covered by a theca, or armour, composed of many textured plates that form one horn in the front and usually two in the back;

壳由许多具花纹的板片组成，这些纹板组成一个前角和通常两个后角

Main products includes: XZ42 series moulding machine, Z94 series full automotive core-shooting machine, Z95 series full automotive shell core making machine, ZHTO series core-shooting machine, ZJQ series tilt able pouring machine, core-shooting machine special for producing braking disc, as well as moulding plate pattern, care-shooting box, shell mould/core pattern/box, and so on.

主要产品有：XZ42系列水平分型脱箱射压造型线、Z94系列全自动射芯机、Z95系列全自动壳芯机、ZH70系列射芯机、ZJQ系列可倾式浇注机、刹车盘专用射芯机及型板模、射芯模、金属型和壳模等。

Plate-shell heat exchanger is new equipment of combining the advantage of shell and tube heat exchanger and plate heat exchanger.

板壳式换热器是集板式换热器和管壳式换热器优点于一身的新型换热设备。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。