Delrin? 511DP is a medium viscosity acetal homopolymer with improved thermal stability and modifications for more precise molding (reduced warpage, less shrinkage, fewer voids).
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As to the fabric interlaced with PTT, it has less shrinkage, which decrease with the increasing of content of PTT.
PTT与大豆蛋白纤维交织可以提高织物的断裂强力和拉伸回复率;
Those who started the trial with the highest levels of homocysteine experienced the greatest benefit - 50% less brain shrinkage.
实验开始时高半胱氨酸含量最高的受益最大,脑萎缩减少了50%。
The air entraining concrete's shrinkage and creep were less than concrete which not content air entrained agent, and the durability performance was improved obviously.
混凝土的收缩和徐变较不引气混凝土相比较小;耐久性能明显改善。
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