The result shown that the TMA technique is an effective and convenient method for characterising thermal shrinkage in oriented polymer materials.

实验结果表明，TMA是研究和测试取向聚合物材料热收缩的简便有效方法。

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The double mix of expansion agent and shrinkage-reducing agent is an effective way to reduce the drying shrinkage fall of expansive concrete.

膨胀剂和减缩剂双掺使用是减少膨胀混凝土干燥收缩落差的有效措施。

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For concrete containing silica fume or ground slag, the reduction of auto-shrinkage is more effective by composite aggregate.

尤其对于含硅灰或矿粉的混凝土，复合骨料降低混凝土的自收缩效果更好。

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Pay attention to the market trends for the companies in your portfolio and make sure that they have strong, effective responses to market shrinkage or product commoditization or your investment is ultimately what will shrink in value.

FORBES: Signs That It Might Be Time To Sell