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。
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。
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。
Restraining the shrinkage and crack of concrete by using of expansive agent has been an effective controlling method since the setting of shrinkage-compensating theory.
自补偿收缩理论建立以来,采用混凝土膨胀剂抑制混凝土的收缩开裂是行之有效的控制方法。
Short-hole shrinkage mining is an effective method for mining steep-thin veins, and it has advantages of high-efficiency and low-waste and simple technology.
浅孔留矿法对急倾斜薄矿脉的矿体开采是一种有效的采矿方法,具有高效低耗与工艺简单等优点。
Short-hole shrinkage mining is an effective method for mining steep-thin veins, and it has advantages of high-efficiency and low-waste and simple technology.
浅孔留矿法对急倾斜薄矿脉的矿体开采是一种有效的采矿方法,具有高效低耗与工艺简单等优点。
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