The water-resistance agent with melamine and un-improved glyoxal as matrices has negative effects on the paper quality because of the polymerization potential of its own.
以三聚氰胺及未改进的乙二醛为基质的抗水剂，因本身会发生聚合反应，会造成纸张质量的负面影响。
New JS dispersion resistance agent for under water concrete is developed as per the requirement of concrete construction under water.
根据水下混凝土施工的需求研制出一种新型JS水下混凝土抗分散剂。
Using silane coupling agent to copolymer with vinyl acetate, the water resistance of the polyvinyl acetate emulsion is improved, and the compress strength is praised.
为改善聚醋酸乙烯乳液耐水性差的缺点，用硅烷偶联剂对其进行了改性，使其压缩剪切强度的干强度和湿强度均有显著的提高。
In addition, the matters concerning dissolving method, color fastness, resistance to oxygen bleaching, water quality and selection of leveling agent were all discussed.
此外，还就溶解方法、色牢度、耐氧漂性、水质、匀染剂的选择等事项进行了探讨，并给出了染色工艺和操作注意事项。
Large volume waterproof concrete with C30 strength grade and seepage resistance P>25 can be mixed by adding expansion agent and reduce-water agent.
经试验表明，在砼中复合掺加膨胀剂和高效减水剂，可制得强度等级为C30，抗渗等级P＞25的大体积防水砼。
And because this waterproofing agent can greatly improve the water resistance and extend the field of application of gypsum production, it must be of a good development future.
由于该防水剂大大提高了石膏的防水性能，从而扩大了石膏制品的使用范围，具有较好的发展前景。
Treated by coupling agent, water resistance of the fine crosslinked starch was enhanced.
经偶联剂处理，微细化交联淀粉的疏水性得到提高。
The potted plant growth test indicates the soil water-holding agent we made could improve the ability of drought resistance and decreased the drought in some way.
盆栽植物生长试验表明，研制的土壤保水剂可提高农作物的抗旱能力，可在一定程度上延缓旱情。
The water resistance has been tested of the coated paper with PUF, we can get the conclusion that PUF have potential for development in the water-resisting agent of the papermaking industry.
并对苯酚改性脲醛树脂涂布纸抗水性进行了测试，得出其在造纸抗水剂领域具有很好的应用前景。
Earlier after concrete has been poured, curing agent is as if a water evaporating resistance. When a membrane formed, it became a vapor barrier.
在混凝土浇筑后初期，养护剂犹如水蒸发的抑制剂，而随着薄膜的形成，则犹如蒸汽不通过膜。
The briquette made by rolling coal powder mixed with the cohesive agent has good resistance to water and, its resistances to pressure and falling can meet national stander...
制得的粘结剂有强的粘结性，与煤粉混合经辊压制成的型煤耐水性好，跌落强度和抗压强度均达到国家工业型煤攻关指标。
The results proved that the use of the AGP as a surface sizing agent can improve the water-resistance of the paper and reduce the use of the internal sizing agent.
本文介绍了合成聚合物表面施胶剂AGP在胶版印刷纸和牛皮箱纸板生产中的应用试验，结果表明用AGP进行表面施胶能较大程度地提高纸的抗水性能，并可减少浆内施胶剂的用量。
The results indicated that the use of surface sizing agent can improve the water-resistance of paper and reduce the addition level of internal sizing agent.
介绍了表面施胶剂在无碳复写纸中的应用实验，结果表明添加表面施胶剂进行表面施胶能较大程度的提高纸的抗水性能，并可减少浆内施胶剂的用量。
The water resistance has been tested of the coated paper with PUF, we can get the conclusion that PUF have potential for development in the water-resisting agent of the papermak…
并对苯酚改性脲醛树脂涂布纸抗水性进行了测试，得出其在造纸抗水剂领域具有很好的应用前景。
The flexible polymer in the face brick binding agent can improve the adhesion, water resistance, durability and softness and avoid the default of brittleness of the common cement and the like.
柔性聚合物在面砖粘结剂中起到提高水泥砂浆的粘接性、耐水性、耐久性、柔韧性，并改善普通水 泥所具有的脆性缺点等。
The results proved that the use of the AGP as a surface sizing agent can improve the water-resistance of the paper and reduce the use of the internal sizing agent.
介绍了表面施胶剂在无碳复写纸中的应用实验，结果表明添加表面施胶剂进行表面施胶能较大程度的提高纸的抗水性能，并可减少浆内施胶剂的用量。
The results showed that the plugging agent had high water - plugging rate and good resistance to flushing. It plugged water selectively by entering the well stratum with high permeability first.
试验结果表明，FD- 2型封堵剂的堵水率高，耐冲刷能力强，并可首先进入渗透率较大的井段，实现选择性堵水。
The results showed that the plugging agent had high water - plugging rate and good resistance to flushing. It plugged water selectively by entering the well stratum with high permeability first.
试验结果表明，FD- 2型封堵剂的堵水率高，耐冲刷能力强，并可首先进入渗透率较大的井段，实现选择性堵水。
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