The influences of the species and added amount of water-resistance agents on the properties of coated high absorptive base paper with low basis weight were investigated.
研究了涂料体系中抗水剂的种类和用量对低定量、高吸收性原纸涂布后主要性能的影响。
2
The reverberation time and noise level of tunnel-typed public works can be reduced by adding large amount of acoustical structure with high absorptive coefficient.