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- 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。
- composite cement based materials 水泥基复合胶凝材料
- 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 .
- Conclusion The microwave energy is a good heat source in cured denture base materials. 结论微波能是一种良好的固化义齿基托材料的热源。
- Rich zinc phosphatization: enhance the adhesive power of coating and base materials. 富锌磷化:增强涂膜与基材的附着力。
- Effct of Different Base Materials on the Cuttage Rooting Rate of Thuja occidentalis L. 不同基质对美国侧柏扦插生根的影响。
- Effect of eight kinds of base materials on the cuttage rooting rate of Hydrangea macrophylla ser. 不同基质对八仙花扦插生根的影响。
- Pure Copper base material ensures excellent heat dissipation. 纯铜基底确保散热效果。
- 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 this paper, pyrolysis chemical kinetics of wood base materials was investigated with thermogravimetric analysis. 本文应用热重分析法研究了木材热解过程。
- The base material is made of hollow oval tube with Surface-Rafah. 2、车篮采用钢丝制做。3、手柄为塑料材质。
- Base materials for polyurethanes.Polyethers, polyesters, isocyanates.List of test methods. 塑料.;聚氨基甲酸酯塑料
- The quadric mathematical model can describe accurately the inner relationship among adding quantity and compressive strength, bending strength of cement base material at different caring ages. 研究表明,建立的二次数学模型能够准确地描述掺量与水泥基材料各龄期的抗压强度、抗折强度指标等相互之间的内在规律。
- The effect of carbon base materials, PTFE content and press pressure on performance of air electrode are studied by Tafel curves. 通过测定极化曲线研究了碳基体、PTFE含量和电极成型压力对空气电极性能的影响，并通过扫描电镜(SEM)研究了电极的表面形貌。
- The experimental results show that glass fiber will effectively restrict the expansion of HFA and the volume stability of HFA-cement based materials will be improved. 结果表明，玻璃纤维对高钙粉煤灰的膨胀有较好的抑制作用，能够改善高钙粉煤灰水泥基材料的体积稳定性。
- This broad weld will improve the strength of the constantan/ copper junction and provide a large area pad for welding to third party base materials. 这种大面积的焊接会增加康铜与铜接合的强度，从而提供一个大范围的焊接点来与第三方基体材料焊接。
- Phenolic resin modified by melamine and cashew nul shell oil can be used as adhesive for various base materials in brake shoes. 用腰果壳油和三聚氰胺对酚醛树脂进行改性,可用作刹车片中各种基料的胶粘剂。
- The building is made of hydraulic cement. 大楼是用水硬水泥建造的。
- New base materials for integrated circuits, such as composite layers of gallium arsenide and gallium aluminum arsenide, may contribute to faster chips. 为像含有种种要素数层的金家砷化物和金家铝砷化物这样的集成电路的新基础材料,可能成为较快速的薯条因素。
- Cement output next year would be57 million tons. 明年的水泥产量(将)有5700万吨。
