Limiting the silicon excess to a small excess provides for combining such strength with improved toughness and impact resistance.
将硅的过量限制为小的过量使得能够将这种强度与改善的韧度和抗冲压性结合。
The existing problems in geopolymer materials are comprehensively analyzed and a new idea about improved toughness of geopolymer materials is proposed.
综合分析了地质聚合物材料存在的问题，提出了改善地质聚合物材料韧性的新思路。
This product has excellent surface appearance while maintaining a good balance of physical properties, such as high strength, improved toughness, and chemical resistance.
该产品具有优良的表面外观，保持一定的物理性质，如高强度，改善韧性良好的平衡，和耐化学性。
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