There are many factors that can lead to strength decrease of RC structures, among which corrosion is the most common one.

钢筋混凝土构件的强度在实际使用中会由于火烧、碰撞、腐蚀等现象受到影响，其中腐蚀的影响是最为普遍的。

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SRIM process was adopted to produce automotive door interior trimming panel, where mass of parts can be reduced without strength decrease.

玻纤增强汽车门内饰板采用结构反应模塑（SRIM）工艺生产，在保证强度的前提下有效减小了零部件的质量。

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The results showed that the tensile strength and yield strength decrease while total elongation increases with decreasing quenching temperature.

结果表明，随着淬火温度的降低，双相钢的屈服和抗拉强度下降，同时总伸长率提高；

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The astronauts' decrease in bone strength measured from point six percent to five percent for each month spent on the space station.

VOA: special.2009.03.10

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