water retentivity

Then, the water retentivity and water migration tests were performed on the two liner specimens to evaluate the water retention and migration properties from saturated/ unsaturated base soil.

然后对斑脱土衬里进行持水与水迁移实验，评价斑脱土衬里水的迁移特性。

Chromaticity analysis, texture measurement and sensory evaluation displayed that AOB addition in proper amount had no great influence on its original colors flavour and mouth feel, and could increase the water retentivity of the products in some level.

色差分析、质构测定、综合感官评定的指标显示：添加适当比例的AOB对产品原有的色泽、风味和口感无不良影响，在一定程度上还能增加产品的保水性。

Water retentivity for low retentive section of red soil in South Guangxi

桂南地区赤红壤低吸力段持水性能的初步研究

The results show that MC can improve the consistency and water retentivity of fresh cement paste significantly, increase the fluidity and setting time of cement slightly.

结果表明：甲基纤维素有显著的增稠和提高水泥浆体保水性的作用，有较小的增塑、缓凝效果；