...透过率和阻力 标准/规范英文名: Methods for testing the performance of high efficiency filter media--Penetration and resistance 标准状态: 已作废 被替代标准: 高效空气过滤器性能试验方法 效率和阻力 Test methed of the performance of high ..
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Mineral composite could greatly improve the chlorion penetration resistance and the sulphate corrosion resistance by filling up the pores in concrete.
矿物掺和料通过密实填充效应明显改善混凝土抗氯离子渗透性、耐硫酸盐侵蚀性。
We have prepared many different polyacids, studied factors affecting the properties of these materials, and evaluated the property of water resistance and X-ray penetration of these materials.
我们合成了多种聚合酸，探讨了影响聚合酸-玻璃粉复合材料性能的因素，评价了该材料的透x线性和耐水性。
The result shows that high content fly ash active powder concrete has small volumetric shrinkage and excellent anti-carbonization resistance to penetration of chlorine ion and to sulfate corrosion.
研究结果表明，大掺量粉煤灰活性粉末混凝土具有较小的体积收缩率，抗碳化、抗氯离子渗透、耐硫酸盐浸蚀性优异。
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