the water-retardation frequency portion, and within this portion the measured compactness response value has almost no connection with the moisture content in soil.
即在瞬态冲击下,存在S-G低频水滞频率,其压实度响应值与它的含水量几乎无关,并用均方谱作为指标,具有较高的响应值分辨力。
The influencing factors of water-retention rate are analyzed and testing parameters are determined.
设计了真空吸收法实验装置,利用该装置测定的保水率与传统滤纸法进行了对比。
Regulatory effects of these bentonites on mortar performance of water requirement, water-retention rate, segregation degree, shrinkage and strength was discussed.
在砂浆中掺入钙基、钠基、锂基三种膨润土,探讨了不同掺量的膨润土对砂浆的用水量、保水率、分层度、收缩率和强度的调控作用。
Four kinds of single and double-faced knit fabrics with different structures and density were manufactured with the profiled polyester fibers,and their wicking height,water retention and drying efficiency were investigated individually.
借助电子显微镜及扫描电镜分别对“Y”形、“+”形、“CO”形3种新型聚酯纤维的截面形状与异形度进行分析研究,并用这几种纤维上机编织出4组不同组织和密度的单、双面针织物,并对其导水性能———毛细效应高度、保水率以及干燥效率分别进行了实验研究。
In order to study the effect of retention rate and air content on the plastic shrinkage and cracking of mortar,relations between retention rate and air content with the rate of water evaporation and the plastic tensile strength was studied under three different conditions.
通过研究在三种不同环境条件下的砂浆保水率、含气量与塑性抗拉强度和水分蒸发速率的关系,探讨砂浆保水率和含气量对砂浆塑性收缩开裂的影响。
The optimized proportion was presented according to the compress strength and water retention rate.
以混凝土强度和保水率为评价指标,确定出了养护剂的最佳配合比。
The water retention rate and the mechanical properties of the crosslinked viscose fibers were discussed.
结合酯化度,探讨了交联处理对黏胶纤维的保水率和力学性能的影响。