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- The influence of hydroxyethyl methyl cellulose and vinyl co-polymer on the bulk density and capillary water absorption of hardened cement mortars was studied. 研究了羟乙基甲基纤维素和乙烯基共聚物2种聚合物干粉对硬化水泥砂浆体积密度和毛细孔吸水率的影响。
- capillary water absorption 毛细吸水
- The CV of Water absorption was the smallest, 4.1%. 吸水率的变异系数最小为4.;1%25。
- Determination of water absorption coefficient by capillarity. 标准/规范英文名: Natural stone test methods.
- Bedroom and the living room should be chosen higher water absorption tiles. 而客厅卧室则应选择吸水率较高的地砖。
- Products with low water absorption, Mohs hardness, strong acid and so on. 产品具有吸水率低、莫氏硬度大、耐酸碱性强等特点。
- Our slates are radiation free with natural venations and low water absorption. 在欧美国家,板岩被作为一种环保和节能建筑材料广泛用于屋顶、墙体和地板。
- Manufactured from coated nylon, treated to prevent stains and water absorption. 从涂上一层的尼龙制造,对待避免污染而且加水给吸收。
- The results show that the sand layer apparently influences capillary water rising height, rate and groundwater supply amount, and has obvious retarding effect on soil water. 结果表明,砂层对毛管水上升的高度、速率以及地下水补给量有明显影响,砂层对于水分有着明显的阻滞作用。
- During the day water loss by transpiration exceeds water absorption by the roots, and leaf water potential decline. 白天蒸腾作用散失的水分超过根系吸收的水分,因而叶子的水势就下降。
- In addition to the water absorption, the shape of the farinogram is used to characterize a flour. 除了水的吸收,粉质仪图谱的形状也用于描述面粉的特性。
- And it is found that the height of capillary water got by the method of negative hydrodynamic gradient is a little higher than by the standpipe, so it should be reduced in the engineering practice. 主要是为了比较竖管法和负水头法的差异,根据资料分析总结两者之间的关系,指导工程实践。
- The study of water absorption on TATB surface may have significance both in theory and practice. 水在TATB表面的吸附作用研究具有理论和实用双重意义 .
- The water absorption of hardened gypsum plaster with the additive was reduced less than 3.10%. 该复合型石膏防水剂可使石膏制品的长期防水性能显著提高。
- But CO,CH4,C2H4 and C2H6 could not be separated from H2 from gas phase products by high pressure water absorption. 然而,高压吸收的方法不能将气体产物中的CO、CH4、C2H4、C2H6与H2分离.
- The mechanism of water absorption and the preparation methods of water-swellable rubber(WSR)were introduced. 介绍了吸水膨胀橡胶(WSR)的吸水机理、制备方法及改性研究的进展,并展望了其应用前景。
- When the molar percentage of crosslinking agent is about 3 %,the tensile strength is maximum,the water absorption a... 当交联剂的摩尔分数约为3%25时,拉伸强度最大,吸水率和浸水失重率最小。
- Its contact angle, water absorption rate, motionless fric-tion coefficient and sliding time are respecivey tested. 对修饰后的材料表面进行接触角、吸水速率、静摩擦系数、滑动时间等指标测定。
- specific retention of capillary water 毛细持水度
- Study of Capillary Water Pressure in Soil Mass 土体中毛细水压力的研究