Study on water treeing and water absorption rule in polyolefin;
聚烯烃中水树和吸水规律的研究
The modification of nano-TiO_2 can improve its dispersibility in the coating and thereby reduce water absorption and permeability of the polyacrylate .
研究结果表明,改性提高了纳米颗粒在涂料中的分散程度,降低了涂层的吸水性和透气性。
The resulted showed that the crosslinking poly(sodium acrylate) had high water absorption when rediation dosage reached 20 thousand Gy.
利用 6 0 Co辐照引发丙烯酸钠聚合 ,制得高强吸水剂交联聚丙烯酸钠。
A study on the character of water-absorption and expansion of Dendrocalamus gigangteus timber;
龙竹竹材的吸水膨胀特性
Study on the character of absorbing water and the germinative condition of Salvia miltiorrhiza Bunge seeds;
丹参种子的吸水特性及发芽条件研究
5 h,but its water absorption is low,while absorbing water of clay ceramisite is relatively slow,approaches saturation after 20 h,i.
试验研究了轻集料的品种、密度等级、级配、环境湿度等因素对其吸水、释水过程的影响。
Matrix erosion and water uptake were performed to elucidate the mechanisms of calcium chloride on drug release.
通过溶蚀及吸水性试验,考察氯化钙的作用机制。
The experiment was conducted with 9 different genotype maize seeds(18 hybrids) in order to study water uptake characteristics and the affecting factors of different genotype maize.
为了探讨不同类型玉米种子在萌动前的吸水特点及其影响因素,本研究采用了9种类型共18个品种进行研究。
Plant root water uptake is an important part of the research on water transforming patterns in SPAC.
植物根系吸水过程是SPAC系统中水分运移规律研究的重要内容。
The results indicate that surface treatment of expanded shale lightweight aggregate with a hydrophobic surface, decreases the water adsorption of the aggregate at early and later ages.
轻集料混凝土已在结构工程中得到广泛应用,轻集料表面状态、形状和吸水性对轻集料混凝土需水量和工作性能有很大影响。
Effect of Superabsorbent Polymer on Water-disintegrable Properties of PS;
高吸水树脂对崩解型聚苯乙烯性能的影响
Preparation and Characterization of Superabsorbent Polymer by Reverse Phase Suspension Polymerization;
反相悬浮聚合工艺制备吸水树脂及其性能研究
A series of superabsorbent polymers with different monomer composition were prepared by emulsion polymerization.
采用乳液聚合法合成了一系列不同单体组成的高吸水树脂,选取吸水树脂与苯乙烯、表面活性剂组成聚合体系,用过氧化苯甲酰引发进行原位共混聚合,制备遇水崩解型聚苯乙烯,并考察了吸水树脂的种类、吸水倍率对崩解材料崩解性的影响。