查询词典 portland cement

The adsorbability of Portland cement that was prepared by the clinker with diffierent modulus and mineral composition for sulphamate superplasticizer was studied.

研究了不同率值、不同矿物组成的熟料制成的硅酸盐水泥对氨基磺酸盐高效减水剂的吸附性能。

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。

The burnability of the high tricalcium silicate Portland cement raw meal produced by lead-zinc tailing and shale and property of the resulting clinker were studied in this work.

研究了采用铅锌尾矿和页岩配制的高C_3S硅酸盐水泥生料的易烧性及所得熟料的性能。

Super plasticized Portland cement:production and compressive strength of mottars and concrete.

硅酸盐学报，2001，29(6)：507-511。[3] 赵义。助磨剂在水泥粉磨中的作用。

After mending the disease of asphalt pavement by replacing damaged parts,the Portland cement surface slab with common dimension is repaved directly,not using the former method of repaving ultrathin small concrete slab any more.

在对旧沥青路面的病害进行挖补维修处理后，与以往研究采用的加铺超薄层小板块混凝土不同，而是采用直接加铺常用板块尺寸的普通水泥混凝土面层。

In water level variation zone, the Fusun Portland cement of 525 grade should be adopted which will have a concrete frost-resistence label of D300, compressive strength of R28300 and impermeability of S8, In addition, studies have also been conducted on the selection and design standards of bedding mat...

此外，还针对寒冷地区此种坝型垫层料与小区料选择及其设计标准，玄武岩地区趾板基础工程处理措施等问题进行了研究。

If they were initially thwarted by allegedly indestructible siding made of aluminum, vinyl, or the maintenance-free, portland-cement-cellulose-fiber clapboards known as Hardie planks, they merely have to wait a century before most of it is lying on the ground.

如果它们最初被阻挡在所谓的坚不可摧的墙板外面——这种墙板由铝、乙烯化合物构成，也可能由被称为&高能厚壁板&、无需保养的硅酸盐水泥纤维隔板构成——它们所要做的不过是等上一个世纪，那么大部分的人工材料都会不攻自破了。

The results showed that adding slag powder,fly ash,silica fume to Portland cement can improve the comprehensive performance of marine concrete.

研究结果表明，在硅酸盐水泥中掺加矿粉、粉煤灰、硅灰等混合材料可以改善海工混凝土的综合性能。

The results show that adding slag powder,fly ash,silica fume to Portland cement can improve the comprehensive performance of marine concrete.

研究结果表明，在硅酸盐水泥中掺加矿粉、粉煤灰、硅灰等矿物外加剂可以改善海工混凝土的综合性能。

On the basis of survey of many marine concrete constructions,the effects of adding slag powder,fly ash,silica fume to Portland cement on the performances of marine concrete were researched.

在调查分析海工混凝土工程实例的基础上，试验研究了硅酸盐水泥中掺入矿粉、粉煤灰、硅灰等混合材料对海工混凝土性能的影响。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。