水泥剂

The quick setting and rapid hardening sand-cast cement is a new type of excellentinorganic binder for foundry molding sand.

欢快型砂水泥具有常温下凝结硬化快，高温下残留强度低，凝结时间可在一定范围内用缓凝剂调节等特性，所以是一种粘结铸造用砂的新型无机粘结剂。

With the development of society, more and more sound absorbent material was needed. In this study the characteristics of the binder system containing cement, ceramisite, fly ash and vesicant were investigated.

本文以微孔吸声结构原理为主要设计依据，以抛光砖废料制备的陶粒、膨胀水泥、粉煤灰以及造孔剂、防水剂等为主要原料，采用混凝土成型法成型，研究开发一种无有害成分的环保型吸声材料。

In this paper it took light ceramic globule, cement, perlite and fly ash as the main material , vesicant and the waterproof as the additive, produced a kind of porous material without fibre by the method of common concrete's molding.

本文利用轻质陶粒、水泥、珍珠岩和粉煤灰为主要原料，辅以造孔剂和防水剂，采用一般混凝土的成型方法研制成一种新型无纤维多孔吸音材料。

Amino-sulfonic acid single aromatic ring type high range water reducer was synthesized form aminobenzene sulfonic acid, phenol and formaldehyde. The influence of monomers ratio, reaction temperature reaction time, pH value, the concentration of monomer on the performance of AS high range water reducer was analyzed.

以对氨基苯磺酸钠、苯酚和甲醛等为原料合成出了氨基磺酸单环芳烃型高效减水剂，研究了反应单体的摩尔比以及工艺参数对AS高效减水剂对水泥颗粒分散效果的影响。

Amino-sulfonic acid single aromatic ring typehigh range water reducer was synthesized form aminobenzene sulfonic acid,phenol and formaldehyde. The influence of monomers ratio,reaction temperature,reaction time,pH value,the concentration of monomer on the performance of AS high range water reducer was analyzed.

以对氨基苯磺酸钠、苯酚和甲醛等为原料合成出了氨基磺酸单环芳烃型高效减水剂，研究了反应单体的摩尔比以及工艺参数对AS高效减水剂对水泥颗粒分散效果的影响。

He effects of using sulfite paper making waste,mirabilite and high-effeieney water reducer as composite grinding aids on the grinding efficiency and properties of cement were studied experimentally.

利用亚硫酸盐纸浆废液、芒硝和高效减水剂作复合助磨剂对水泥粉磨效率及其性能进行了试验研究。

The synthesis of water reducing agents from phenanthrene waste by sulfonation,condensation,neutralization and recondensation has been studied by the orthogonal test.

利用正交实验通过磺化、缩合、中和、再缩合反应对菲渣制取水泥减水剂进行了研究，优化了主要工艺条件，制备出的减水剂减水率可达17.5%。

A kind of superplasticizer of sulfamic acid series is a new superplasticizer with good prospect, which can provide concrete high flowability good durability and low slump loss.

氨基磺酸系高效减水剂具有对水泥粒子的高度分散性，减水率高，混凝土的耐久性好，并具有控制坍落度损失的功能，是很有发展前途的一种新型高效减水剂。

The activating effect of admixture on the early strength of composite portland cement was studied after using LD early strength admixture of β-naphthalene sulphonate and calcium sulfate compound.

通过使用以β-萘磺酸盐并复合硫酸钙的 LD早强外加剂，研究外加剂对复合水泥早期强度的激发作用。

And the polycarboxylate based superplasticizer prepared by the macromer under optimal condition has good plasticizing and fluidity-retaining ability, the initial fluidity of cement paste reaches 303 mm, and the fluidity after 1 h is 297 mm.

以最佳酯化工艺制得的大单体为原料制备的聚羧酸系减水剂，具有良好的分散性和保塑性，掺该减水剂0.15%的水泥净浆的初始流动度达303mm，1h后其流动度为297mm。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。