水泥的

It can be seen from above mentioned that a high performance concrete suitable for dam project can be obtained with high belite cement.

综上所述：采用高贝利特水泥可以配制适合于大坝工程用的高性能混凝土，而且在抗裂性和耐久性上，高贝利特水泥混凝土将比三峡一、二期工程使用的中热水泥大坝混凝土的性能提高一步。

Pouring cement-asphah composite is generally described as an open-graded asphalt concrete mixture filled with cement grouts which is a unique combination of asphalt and cement concrete ma- tetials in the same layer.

灌注式水泥-沥青混合料是一种在开级配的沥青混合料中填充水泥胶浆而形成的，兼具沥青路面和水泥混凝土路面特点的复合材料。

Effect of grinding aids on grinding efficiency of Portland cement,slag cement and pozzuolana cement was evualated by adopting indexes such as residue of sieve,specific surface area and size distribution.Some references were provided for the selection of grinding aids by comparision test and results analysis.

选取了立窑和回转窑2种熟料，在同一试验条件下掺入不同种类及掺量混合材磨制成若干个试样，并采用筛余、比表面积及粒度分布等指标来评价助磨剂对普通硅酸盐水泥、矿渣水泥和火山灰水泥粉磨效率的影响，并进行了对比研究，通过作用效果的分析，为助磨剂的选用提供了参考依据。

Portland cement was used as cementations materials in developing foamed concrete, and some high alumina cement and lithium salt were added into Portland cement to adjust the time of setting in order to match the stable time of foam.

以普通硅酸盐水泥作基材制备泡沫混凝土，为了与泡沫的稳定时间相匹配，研究采用在普通水泥中掺入一定量的高铝水泥和碳酸锂来调整水泥浆的凝结时间。

By the disease investigation for cement concrete pavement of seasonal frost zone, analyze and evaluate the used situation of existing cement concrete pavement, the evaluated result shows that used situation of most existing concrete pavement lies in middle, good state.

通过对季节性冰冻地区水泥混凝土路面的病害调查，对现有水泥混凝土路面的使用情况进行了分析与评定，评定结果表明现有水泥混凝土路面的使用状况多处于中、良状态。

In this paper, making the best important loop--the cement rotary kiln calcination process in the production process of cement as the studying object, study it on the base of the intelligent control deeply.

本文以水泥生产过程中最重要的环节——水泥回转窑的煅烧过程为研究对象，对水泥回转窑进行了基于智能控制的深入研究。

The oid in the cement as seen in both the kyphoplasty sections (Figure 5) is caused by the filling deice, which is left in place in the caity during the initial curing phase of the cement to preent cement from leaking back into the working cannulas.

在两个后凸成形术组中，都可以见到由填充装置引起的骨水泥间隙，这是在骨水泥凝固的初始阶段，为了防止骨水泥渗漏进工作套管，而适当地遗留在空腔中的。

900M3 thick granite tile finish (yellow rust litchi-China origin) bush hammered finish c/w 20mm screeding with average 50mm thick cement and sand mortar base; butt and jointed with cement and sand (1:3) mortar pointed in matching colored cement grout and laid on screeded bed

900立方米厚的花岗岩砖饰面（荔枝铁锈黄，中国原产地）剁斧石面，使用20毫米沙浆，平均50毫米厚的水泥砂浆基地；用水泥和沙子（ 1：3 ）砂浆对接和连接，匹配彩色水泥灌浆并浇注在刮平的基床上。

A new expansive agent, Expandant DB, is developed for use in oilwell cementing to prevent gas channelling and poor bond quality.

姚晓，邓敏，唐明述，DB 型油井水泥膨胀剂的研究油井水泥固有的收缩特性是诱发油气井气窜和造成水泥环胶结质量差的主要原因。

On this basis, the physical and mechanical properties and durability of recycled aggregate cement stabilized using steel slag cement without clinker was studied.

在研究无熟料钢渣水泥特性和安定性的基础上，重点研究了由无熟料钢渣水泥制备的水泥稳定再生集料的力学性能和耐久性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。