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- The text is mainly about the damping mechanism of polymer base piezoelectricity intellectual damping materials. 摘要综述了聚合物基压电智能阻尼材料的阻尼机理。
- Macro-defect-free(MDF) cement based materials is a new class of high-strength materials,but the poor water resistant performance cumber the area of its application. 采用憎水性酚醛树脂代替亲水性聚合物,从根本上解决了无宏观缺陷(MDF)水泥的耐水性问题。
- Proper curing temperature is crucial to high calcium cement based materials.This materials is suitable for making autoclaved cement and concrete products. 合适的养护温度对高钙粉煤灰水泥基材料非常重要，高钙粉煤灰水泥基材料适宜制作蒸养水泥混凝土制品。
- And also makes an explicit introduction of the design principle and the damping effect of the polymer basis IPN piezoelectricity damping materials. 并详细分析介绍了聚合物基IPN压电阻尼材料的设计原理及阻尼效果，对未来的发展趋势做出了展望。
- composite cement based materials 水泥基复合胶凝材料
- Three kinds of new viscoelastic damping materials are applied in railway vehicles to reduce internal noise. 三种新型粘弹性阻尼材料应用于铁路车辆降低车内噪声。
- cement based composite materials 水泥基复合材料
- A new colour cement based coating is prepared by using Portland cement as the base material,adding in pigment,filler,and compound admixture,and modified by filling an emulsion. 介绍了以普通硅酸盐水泥为基料 ;加入颜料、填料、复合外加剂 ;并通过加入乳液进行改性而制成的新型彩色水泥基涂料 .
- Cement based fiber reinforced rendering mortar. Good flexible, waterproof, water preservation and bonding properties. Shock resistance and anti-ageing, no poison and no smell. 水泥类含纤维的增强抹灰砂浆。具有优良的柔性、水性和粘结性能，抗冲击、老化，防水性能好，无毒无味。
- This study presents an experimental and numerical investigation of the natural frequencies of the bended pipes with damping materials with different length,thickness and position. 通过试验和有限元方法获得了弯管在使用不同长度、厚度、及粘贴位置的阻尼材料时的固有频率,并比较各因素对配管固有频率的影响程度。
- Introduces properties and features of cement based flexible tiles and describes by means of actual pro-ject main points for application when used in pitched roofs. 介绍了水泥基柔性瓦的材料性能和特点,并通过工程实例,介绍了其在坡屋面工程中应用时的施工要点。
- The development history of the damping materials is retrospected and the research status of polymer,polymer composites and structure damping materials is summarized subsequently. 回顾了阻尼材料的发展历史,并详细评述和分析了近年来国内外有关阻尼材料的研究进展,包括高分子阻尼材料、复合阻尼材料和结构阻尼等。
- Influence of fly ash on property of phosphate cement based patching material such as color,setting time,fluidity,strength,bonding and shrinkage have been studied. 研究粉煤灰对磷酸盐水泥基修补材料颜色、凝结时间、流动性、强度、粘结性能及收缩的影响。
- Some teams like to work beside a cement base Geshan, such as using cement base must be required before the cement dry-plank, or will cause inflation humps sticking out wet floors. 有的施工队喜欢在搁栅旁用水泥垫底，如用水泥垫底，一定要待水泥干结后才通铺板，否则会引起地板湿胀拱翘。
- This paper gives gear noise reduction curves on the basis of experiments with four gear structures and various damping materials like rubber and cork,for three rotational speeds of 700, 1000,1030r/min. 通过四组不同结构的齿轮和橡胶、软木等不同阻尼材料的组合,得出了转速为700,1000,1030r/min三种情况下的齿轮减噪曲线。
- Yang Xue,Wang Yuansheng,Zhu Jinhua,Yu Hongwei.Damping properties of the composite structures with multilayered damping materials[J].Acta Materiae Compositae Sinica,2005,22(3):175-181. [2]杨雪;王源升;朱金华;余红伟.;多层阻尼复合结构阻尼性能[J]
- In order to determine whether pearlite powder may be used as admixture in cement based composite, a quantitative analysis was conducted for the variation of the pozzolanic effect of pearlite powder mixed in cement based material with mixture percentage? 为了量化地分析珍珠岩粉在水泥基材料中的火山灰效应 ;以判定珍珠岩磨细粉用作水泥基材料的掺合料之优劣 ;采用以抗压强度构成为基础的火山灰效应定量指标 ;研究其在水泥砂浆和混凝土中随珍珠岩粉掺量、细度及养护方式、龄期和配合比的变化特征 .
- In the bed there is stirrer. It avoid agglomeration of damp material and forming channel flow during drying. 床内设置搅拌，避免了潮湿物料的团聚及干燥过程中形成沟流。
- The overall properties and applications of macro-defect-free cement based composite are introduced in detail.The moisture sensitivity and the strategics to improve moisture resistance arc analyzed. 全面介绍了该材料的性能和应用,分析了它的湿敏特性与耐湿性改进途径。
- Compared with former reports, this kind of damping material can met the need of depositing and using for a long time. 而且与小分子受阻酚相比，这种大分子受阻酚在橡胶材料中不迁移，能满足长期储存和使用的需要。
