板层

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。

According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf , this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf , so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration , blockage the holes between fibers and capillary , cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber . at the same time , solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing

针对吸水变形、霉变主要发生在地板企口表面的特征，采用企口表面全封闭法，在复合强化地板企口表面喷涂特殊的防水封闭剂，使其依靠毛细管作用及渗透作用进入板内一定深度，堵塞木纤维之间的空隙及毛细孔通道，截断水分传递的渠道，并改变毛细孔壁及纤维的表面性质以不利于水的浸润与吸附，同时其固化后能在企口表面形成一层致密的憎水薄膜，防止水分、湿气从企口侵入板内引起木纤维膨胀变形、发霉等现象。

In the theatre roofing system,Kalzip alluminum alloy desk was used as rainproof roofing board,and decoration layer was fixed onto the board rib by fastenings.

杭州大剧院屋面系统采用Kalzip铝合金板作为防水屋面板，装饰层通过连接件固定于屋面板的板肋上。

The cracking resistant layer consists of polymer cement mortar and alkali resistant glass fiber woven scrim, anchored with plastic expanded tube.

该体系采用无钢丝网架的聚苯板为保温板，抗裂层由聚合物水泥砂浆及耐碱玻纤网格布组成，再用塑料胀管锚固。

However, this butterfly valve in the course of the following questions remain: First, as a result of hard and soft multi-layer stacked ring fixed in the valve plate, when the valve plate when the media always state of the formation of its positive sealing surface erosion, sheet metal dissection of the soft-sealed after flushing with by a direct impact on seal performance.

但是，这种蝶阀在使用过程中仍然存在以下问题：一、由于多层软硬叠式密封圈固定在阀板上，当阀板常开状态时介质对其密封面形成正面冲刷，金属片夹层中的软密封带受冲刷后，直接影响密封性能。

First, because of soft and hard multi-layer stacked ring fixed in the valve plate, when the valve normally open status when the medium of its sealing surface to form a positive erosion, sheet metal in the interlayer by scouring with soft seal, the sealing performance of a direct impact.

一、由于多层软硬叠式密封圈固定在阀板上，当阀板常开状态时介质对其密封面形成正面冲刷，金属片夹层中的软密封带受冲刷后，直接影响密封性能。

The dynamic characteristics of R/C slab column-shear wall structures with and without spandrel beams and frame-shear wall structures are analyzed and compared with finite element method when its span and story number are changed.

采用有限元方法，改变结构的跨度和层数，对无边梁的板柱-剪力墙结构、带边梁的板柱-剪力墙结构和框架-剪力墙结构的动力特性进行对比分析。

When the leak detection steam dew point temperature is below the outmost layer temperature, layer cracking will be arrested.

当检漏蒸汽露点温度低于尿塔最外层层板温度时，层板的开裂将被遏制。

According to different geology of the Majishan Mineral Ore stockyard and characteristics of the project, Designer adopts dynamic replacement method, deep plastic sheet plus short vibro-replacement stone pile method and plastic sheet plus preloading method for different sub-areas, through grading stock measure during operation to achieve ground treatment aim, and make foundation treatment construction be easy, convenient and cost reasonable.

本设计根据马迹山矿石堆场不同区域的地质条件和工程特点，分区应用了强夯置换法、深层塑料排水板浅层振冲碎石桩、塑料排水板堆载预压等加固方法，并通过使用期分级加载措施，以达到地基加固的预期效果。

Rubber machinepricision performer of rubber product,testing machine,fuel battery test press,double-unit vacuum molding machine,strapper for rubber joint.etc.

产品包括：橡胶机械（精密预成型机、平板硫化机、各种试验压机、燃料电池压机），电子机械（二极管注压机、高频预热机、线路板层压机、流动测试仪），木业机械（中密度板框式压机、可降解一次性餐具压机、自动进卸料送板机）及各种非标液压设备。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐