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1·It is indicated the said crack is due to too small shrinkage ratio of the compacting die.

指出，拉丝模内孔之所以产生裂纹，是由于压模收缩比太小的原因。

2·The results show that, after soaking by acid rain, dry heat shrinkage ratio of the leather increases, and the dry thermostability decreases.

结果表明：经过酸雨浸泡后，加脂皮革的干热收缩率均高于未浸泡试样，耐干热性能下降。

3·Ultra light high strength, thermal insulation, waterproof, and the surface adhesion strong, activist and arch, not crack, dry shrinkage ratio as well as good.

超轻高强、保温隔热、防水防潮、与基面结合力强、集体性好、不起拱、不裂缝、干缩比好等优点。

4·The effects of polypropylene fiber on the plastic shrinkage stress and plastic shrinkage ratio of the mortars were investigated by use of a self-designed measuring device.

采用自行研制的水泥砂浆塑性收缩应力测试装置和非接触式测长装置，分别研究了低掺量的聚丙烯纤维对水泥砂浆塑性收缩应力和塑性收缩率的影响。

5·At the same time, the relation between the shrinkage ratio of combination yarn in the boil water and spinning processing parameter, especially the temperature of heated...

同时探讨了纺纱工艺参数——热板温度、芯丝拉伸倍数、纱线捻度、网络度等与变形纱沸水缩率间的关系。

6·The present invention provides a siliceous film-forming composition having such a small thickness shrinkage ratio that a highly homogeneous siliceous film can be obtained.

本发明提供一种硅质薄膜形成用组合物，该组合物具有小的 厚度收缩率，以至于可以得到高均匀性的硅质薄膜。

7·At the same time, the relation between the shrinkage ratio of combination yarn in the boil water and spinning processing parameter, especially the temperature of heated plate,...

同时探讨了纺纱工艺参数——热板温度、芯丝拉伸倍数、纱线捻度、网络度等与变形纱沸水缩率间的关系。

8·The test of single compact weight decrease proved that when the shrinkage ratio of the compacting die is increased to over 1.22, there is no more crack initiated in the compact inner hole.

并用压坯单重递减法试验证实，当将压模收缩比增加到1 2 2以上时，可以保证压坯内孔不出现裂纹。

9·The quantitative relationship between water content and linear shrinkage ratio is gained under different dry density for Mengzi expansive soil, which has great value to engineering practice.

试验得出了蒙自膨胀土不同干密度条件下含水量与线缩率的定量关系，对工程实践有一定的参考价值。

10·Comparatively, with the reducing of shrinkage ratio of slit, the shock loads of receiving pool reduce, but the critical hydraulic head that just can cause deflecting heightens simultaneously.

相对而言，随着窄缝收缩比的减小，水垫塘冲击荷载略有减小，但同时起挑水头增加。

收缩率

1·Aiming at these defects, a kind of special mortar for plastering aerated concrete with good workability, good water retention, high bonding strength and low shrinkage ratio has been prepared.

针对这些缺陷，研制了一种和易性好、保水性好、粘结强度高、收缩率低，适合加气混凝土抹灰用的砂浆。

2·The present invention provides a siliceous film-forming composition having such a small thickness shrinkage ratio that a highly homogeneous siliceous film can be obtained.

本发明提供一种硅质薄膜形成用组合物，该组合物具有小的 厚度收缩率，以至于可以得到高均匀性的硅质薄膜。

3·The results show that, after soaking by acid rain, dry heat shrinkage ratio of the leather increases, and the dry thermostability decreases.

结果表明：经过酸雨浸泡后，加脂皮革的干热收缩率均高于未浸泡试样，耐干热性能下降。

4·The results show that concrete with 40 percent fly ash has good properties of strength, resistance permeating of Cl-and resistance erosion of sulfate. Besides, it has a small shrinkage ratio.

试验结果表明，添加了40%以上粉煤灰的混凝土仍有较好的强度，较好的抗氯离子渗透、抗硫酸盐侵蚀等性能，且具有较小的体积收缩率。