It has remarkable effects of water reduction and enhancement, especially at the early stage. The modulus and site utilization can be improved.
本品减水增强作用显著，早期效果尤佳，可大大加快模板和场地周转，缩短工期。
Structure of superplasticizer was characterized by IR and effects of the product on fluidity of cement paste and water reduction for concrete were investigated.
利用IR表征了其结构，并考察了产品对水泥净浆流动度和混凝土减水率的影响。
The monthly water balance model for calculating runoff on loess plateau has been used in analyzing the benefits of water reduction by soil and water conservation.
借助适合于黄土高原降雨- 产流特性的月水量平衡改进模型，计算天然状态下降雨应有的产流量与同期实测径流量求得减水效果。
The concrete strength test was conducted with the concrete made of fly ash, cement and sand plus a certain high efficient water reduction agent FDN and the orthogonal design method.
采用粉煤灰、水泥、砂石，掺加一定量的高效减水剂FDN，利用正交设计方法安排试验。
In addition, salt water reduction environment advantageous to the formation of fluorene series and sulfur fluories compounds is also advantageous to the preservation of naphthalene series compounds.
此外，有利于形成芴系和硫芴系列化合物的咸水还原环境，同样也有利于萘系化合物的保存。
Through analyzing the reasons of period water reduction in floating bed, it is the concluded that the ions content in raw water is the main reason.
对浮动床周期制水量减少的原因进行多方面分析，通过分析发现原水中离子含量增加是浮动床周期制水量减少的主要原因。
Through analyzing the reasons of period water reduction in floating bed, it is the concluded that the ions content in raw water is the main reason.
对浮动床周期制水量减少的原因进行多方面分析，通过分析发现原水中离子含量增加是浮动床周期制水量减少的主要原因。
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