可以以初始体积吸水率作为衡量混凝土耐蚀能力的标准，降低初始体积吸水率可以提高混凝土的耐蚀能力。
And the original volumetric water absorption can be regarded as a criteria to evaluate the resistance of concrete to salt physical attack.
材料性能随浸渍次数增加而优化，浸渍4次的显气孔率和吸水率最低，体积密度和热稳定性最高。
The apparent porosity and water absorption were the lowest, the bulk density and heat-resistant property were the highest after dipping for 4 times.
考察了硅微粉的种类及用量对环氧灌封材料的凝胶化时间、冲击强度、吸水率、体积电阻率的影响。
The influence of the kind and using level of silica powder on the gelation time, impact strength, water absorption and volume resistivety of the epoxy encapsulateing materials were studied.
结果表明：墙体砖中高炉渣掺量可达70%以上，其外观质量、强度性能、体积密度、吸水率和干燥收缩性能等指标均达到或超过砌墙砖的基本要求。
The main properties of the wall brick such as exterior quality, strength character, volume density, the water absorption and dry contractibility satisfied the basic requirements for wall brick.
结果表明：随粉煤灰掺量的增加，砖的体积密度下降，吸水率有较大的增长，而抗压强度的降幅十分明显。
The results show that the brick density is lowered, water absorption is largely increased while the compression strength is obviously lowered along with the increase of added fly ash.
研究了羟乙基甲基纤维素和乙烯基共聚物2种聚合物干粉对硬化水泥砂浆体积密度和毛细孔吸水率的影响。
The influence of hydroxyethyl methyl cellulose and vinyl co-polymer on the bulk density and capillary water absorption of hardened cement mortars was studied.
结果表明：随着烧结温度的升高和保温时间的延长，气孔率和吸水率减小，体积密度和弯曲强度升高；晶粒长大填充气孔，使多孔材料孔隙率下降而强度增加。
The results show that the porosity and water absorption decrease and the bulk density and bending strength increase, along with the sintering temperature raising and the time prolonging.
结果表明：随着烧结温度的升高和保温时间的延长，气孔率和吸水率减小，体积密度和弯曲强度升高；晶粒长大填充气孔，使多孔材料孔隙率下降而强度增加。
The results show that the porosity and water absorption decrease and the bulk density and bending strength increase, along with the sintering temperature raising and the time prolonging.
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