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- On the other hand ,the concrete using SNF has afast slump loss. 新型高效减水剂具有氯化物含量和硫酸钠含量很低的特点。
- The result indicates pre-wetted aggregate can improve workability and decrease slump loss due to large water absorption of recycled aggregate. 结果显示,预湿可有效改善再生混凝土工作性以及坍度损失过高的问题;
- But now, the research about improvement of mineral admixture on slump loss is mostly limited to its optimizing chemic elements of cement. 但是目前关于矿物掺合料对坍落度损失的改善机理仅主要局限于其对水泥化学组份的优化效应。
- Based on molecular design theory of polymer,a kind of low slump loss comb-like polycarboxylate type superplasticizer was synthesized. 应用高分子设计原理,合成了一种低坍损梳形聚羧酸系高效减水剂。
- The result shows this low slump loss superplasticizer features in easy action property, high water reducing rate, and good performance of concrete, etc. 结果表明:该产品减水剂具有优良的工作性能、高减水性、混凝土性能等特性。
- Some defects such as quick slump loss,poor compatibility with cement and easy bleeding were found in current use of a great number of naphthalene superplasticizers. 目前使用的大量萘系高效减水剂存在着坍落度损失大、与水泥的适应性差、易泌水等缺陷,本文运用物理多元复合技术对萘系高效减水剂进行了改性。
- Lignosulfonates(LS),as of strong retardation,could improve concrete workability and reduce slump loss,yet could also be hazardous to development of earth strength. 木质素磺酸盐(简称木盐)具有较强缓凝作用,可提高混凝土工作性、减少坍落度损失,但不利于早期强度发展。
- Influences of initiator,sulphonate,acrylic acid and diethylmaleate on fluidity of cement paste were studied in detailsAddition of diethyl maleate helped to reduce slump loss. 详细研究了引发剂、磺酸盐、丙烯酸和马来酸二乙酯等因素对净浆流动度的影响;马来酸二乙酯的加入,减小了流动度损失。
- Experimental study was carried out on the modification of naphthalenic tape high water reducer,and the high water reducer of low slump loss was obtained by solution-polymerization. 采用溶液聚合,合成了一种低坍损、高性能减水剂;讨论了合成机理,测试了样品使用性能;结果表明:该产品具有高减水性、优良的工作性能、混凝土性能等特性。
- Low Slump Loss High Range Water Reducing Agent 低坍落度损失高效减水剂
- The Research of Slump Loss in Ready Mixed Concrete 预拌混凝土坍落度损失的研究
- The slump hit his business hard. 物价暴跌使他的生意大受打击。
- What caused share values to slump? 股价暴跌是什么原因?
- This brought about a heavy slump in prices. 这引起物价猛跌。
- I commiserate with you on the loss of your mother. 你母亲逝世,我特向你慰问。
- There was a serious slump in the 1930s. 二十世纪三十年代发生过严重的经济衰退。
- How can we divert her thoughts from her sad loss? 我们怎样才能使他不再想到她可悲的损失?
- The loss of all his money embitter the old man. 失去全部的钱,使这位老人甚为痛苦。
- The loss of the ball game stir up much feeling. 球赛输了引起了极大的愤慨。
- The ship was wrecked and became a total loss. 船只失事,一切都损失了。