掺入的三叶形聚丙烯单丝纤维长度越长，水泥砂浆的抗干缩开裂性越好；
The longer the length of trefoil polypropylene filament fiber, the better the anti-dry-shrinkage cracking property of cement mortar.
本文给出了U型钢可缩性支架的缩动条件，讨论了卡缆预紧力对支架抗缩动能力的影响以及支架在缩动过程中抗缩动能力的变化等问题。
The paper gives yielding conditions and discusses the influence of pre-tension of clamps on yieldable capacity of the U-steel and change of yieldable capacity in the process of yielding.
提示MT可以通过抑制ET的释放和拮抗ET的缩血管效应，发挥其内源性抗损伤物质的作用。
Tihe resulis suggest that MT could exert its injury-resistant action, as an endogenous defensive substance through inhibition of ET release and anlagonization against ET-induced vasocontraction.
结果表明：与水泥相比，碱激发粉煤灰胶凝材料具有良好的抗硫酸侵蚀性、湿胀小、干缩大。
The results showed that alkali-activated fly-ash cementing material has good sulphuric acid resistance and low bulking factor and high drying shrinkage against ordinary Portland cement.
采用氧化前处理与蛋白酶及TG酶三者结合新工艺，可以在保证纤维损伤小的前提下，提高织物的抗毡缩性。
The wool anti-felting performance could be improved and the wool fiber damage could be controlled by use of new bio-finishing process of the wool combining oxidation, protease and TG enzyme.
热缩护套管具有良好的绝缘性和抗开裂性，主要用于电缆的外保护层的修补和电缆中间连接的外层保护。
Heat shrink protection cover tube has good insulation and ruptuing resistance . It suitable for mend of cable out-layer protection and outlay protection of intermediate connecting .
热缩护套管具有良好的绝缘性和抗开裂性，主要用于电缆的外保护层的修补和电缆中间连接的外层保护。
Heat shrink protection cover tube has good insulation and ruptuing resistance . It suitable for mend of cable out-layer protection and outlay protection of intermediate connecting .
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