查询词典 cement

Cement and silver sand are used as the basis materials for solidifying galvanized sludge containing heavy metals such as Ni,Cr and Cu,the lixivium test to solidified matter shows that the effect of solidifying galvanized sludge with cement is good.

采用水泥和细砂作固化基材处理含Ni、Cr、Cu等重金属的电镀污泥，对固化块的浸出试验表明：水泥固化该电镀污泥效果良好，固化过程中加入适当的螯合剂KS-3，可以提高固化效果，并对固化块在不同pH浸取剂下的重金属浸出浓度进行了研究。

In view of the wide application of cement stabilized macadam base the advantages of cement stabilized macadam base are introduced.

结合水泥稳定碎石基层的广泛应用，介绍了水泥稳定碎石基层的优点，提出了水泥稳定碎石基层施工的质量控制要点及减少水泥稳定碎石基层裂缝的方法，以保证水泥稳定碎石基层的质量。

Marrow cavity is the place where bone cement fusion takes place, so its preparation is important to improve bone cement filling quality.

摘要背景：提高骨水泥与骨界面的融合可降低假体松动率，骨髓腔是骨水泥融合中的接受腔，其准备过程是提高骨水泥充填质量的关键。

MAIN OUTCOME MEASURES: Number of trabecular bone closely or not closely connected by bone cement section surrounding to calculate the rate of combination; condition of surfaces of marrow cavity and bone cement in the column by amplifier.

主要观察指标：观察CT片，测出骨水泥截面周围与骨小梁结合紧密者与非结合者的个数，计算结合率。用放大器材观察骨髓腔内表面及骨水泥内柱表面情况。

Methods 20 human biscuspids scheduled to be extracted for the orthodontic reasons were prepared for porcelain fused to matal crown,of which every 2 teeth were from the same patient and the same jaw. The teeth were randomly, blindly and selfcontrolly divided into 2 groups.In the control group:the temporary crowns were cemented with zinc oxide cement.In the testing group:Green Or was applied before the temporary crowns were cemented with zinc oxide cement.

要领 选择因正畸治疗必要而打算撤废的20颗前磨牙举办金属烤瓷全冠牙体准备，其中每2颗牙均为同颌同名牙；授与随机、双盲、自身比较计划分为2组：比较组在牙准备体上直接用氧化锌丁喷香酚水门汀粘固且则冠；不雅察看组在牙准备体上涂布极固宁TM后用氧化锌丁喷香酚水门汀粘固且则冠。

Methods 20 human biscuspids scheduled to be extracted for the orthodontic reasons were prepared for porcelain fused to matal crown,of which every 2 teeth were from the same patient and the same jaw. The teeth were randomly, blindly and self controlly divided into 2 groups.In the control group:the temporary crowns were cemented with zinc oxide cement.In the testing group:Green Or was applied before the temporary crowns were cemented with zinc oxide cement.

选择因正畸治疗需要而计划拔除的20颗前磨牙进行金属烤瓷全冠牙体预备，其中每2颗牙均为同颌同名牙；采用随机、双盲、自身对照设计分为2组：对照组在牙预备体上直接用氧化锌丁香酚水门汀粘固暂时冠；观察组在牙预备体上涂布极固宁TM后用氧化锌丁香酚水门汀粘固暂时冠。

Secondly, based on general FEM theory, this paper has discussed FEM of matchboard cement concrete pavements with and without joints and explained three-dimensional FEM of cement concrete pavements.

2根据一般有限单元法理论，探讨了有无接缝的企口板砼路面有限元分析方法，以及三维混凝土路面的有限元分析方法。

Based on lots of literature and information, this paper has engaged in deep studies and brought forth a new kind of matchboard cement concrete pavement. Firstly, based on the theory of elastic thin slab and elastic subgrade, this paper has discussed the strong points and weaknesses of existed mechanics models of cement concrete pavements. Then, integrating each model's strengths and considering the practical conditions, this paper has put forward reasonable simulating models as well as basic mechanics hypothesis.

本课题在大量文献资料和作者深入研究的基础上，提出了一种新型企口板水泥混凝土路面结构，具体工作如下：(1)根据弹性薄板和弹性地基板基本理论，讨论了现有水泥混凝土力学模型的优缺点，并根据本课题的实际需要，综合各力学模型的长处，得到合理的力学仿真模型，并给出其基本假设。

These parameters include super fine powder additives ,cement sort,cement mark,water binder ratio,variety and mixt.

文章在分析讨论了超细掺合料、水泥品种、标号及水胶比，超塑化剂的种类及掺量，胶结材用量，粗骨料的强度及粒径大小等配比参数对超高强高性能混凝土工作性及强度的影响后，指出了配制这种混凝土的技术途径。

According to the Newton's second law of motion, the law of conservation of mass,and Bingham plastic flow equation of slurry,as well as under top cement pulsation,the mathematical models of one dimensional pressure pulse propagation downwards in the cement column was established.

文中根据牛顿定律、质量守恒定律及水泥浆的宾汉塑性流变性，在顶部水泥脉冲振动作用下，建立了水泥浆中，一维压力传播的波动方程的数学模型。

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。