滲氰 的英文怎麼說
中文拼音 [shèn]-
The development of a two - component elastic polyurethane sealing material for the anti - seepage of channel is described herein, and then the performed polymer structure, the molar ratio of iaocyanate to hydroxide radical and the effects from the components of the compounded curing agent on the performance of the material are discussed as well
摘要介紹了一種用於管道防滲止水的雙組分聚氨酯彈性密封材料的開發，並討論了基劑預聚體聚合物結構、異氰酸酯和羥基的摩爾比以及復合固化劑組分對材料性能的影響。By testing according to correlation criterions, the performances of jd such as ratio of water - reducing, ratio of compressive strcngth, effect of accelerating and enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and water - tightness etc are all better than that of the traditional melamine resin superplasticizer sm and naphthalene series superplasticizer fdn
按照相關標準進行測試，所開發的改性密胺樹脂高效減水劑的各種性能如減水率、抗壓強度比、早強增強效果、泌水率、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等都遠遠優于傳統的三聚氰胺高效減水劑sm ，也優于萘系高效減水劑fdn 。
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