SEM图像表明，掺超缓凝剂的水泥硬化结构更加致密。
SEM photographs indicate that the microstructure of hardening cement with super-retarding agent is more compact.
指出欠烧或过烧菱苦土的采用是造成氯氧镁水泥硬化体胀裂的根本原因。
The result shows that the cause of fracturing is under-burning or over-burning of magnesia.
指出欠烧或过烧菱苦土的采用是造成氯氧镁水泥硬化体胀裂的根本原因。
Research on the composite magnesia cement of the caustic dolomite and the calcined magnesite;
研究表明，对水泥硬化过程中的温度进行控制，可有效防止裂缝的发生。
The research has indicated that we can control the temperature of concrete to prevent the thermal crack.
采用交流阻抗方法对掺有不同辅助性胶凝组分的高性能水泥硬化浆体的微结构进行了研究。
Microstructure investigations on the hardened cement past blended with different mineral admixtures are made by using A. C. impedance spectroscopy.
又，本发明亦为以于水泥硬化体表面被覆以前 述物质隔绝剂为特征的水泥复合体的形成方法。
The invention also provides a cement composite formation method, characterized in that the substance block agent is coated on the surface of the hardened cement product.
应用分形学与粘弹性力学对含钙矾石和水镁石膨胀源的水泥硬化浆体的膨胀机理进行了研究与分析。
The expansion mechanism of hardened cement paste with double expansion sources of entringite and brucite was studied by using theory of fractal geometry and viscoelasticity.
利用物相分析技术，研究粉煤灰—水泥硬化浆体的组成、形貌以及HPC在荷载作用下的腐蚀产物。
Using physical phase analysis technology, the component and shape of fly ash cement hardened paste and the offspring of HPC bearing load faction is researched.
同时讨论了粉煤灰水泥硬化浆体的物理化学性能与水化时间的关系，以及硬化浆体中粉煤灰的火山灰活性。
At the same time, the relationship between the physical-chemical properties of the harden paste and the hydration age, the pozzolan activity of the fly ash in the harden paste have been discussed.
试验结果表明：复合激发不仅可以提高掺50％粉煤灰的水泥硬化浆体的早期强度，而且提高了后期的强度；
The experiential results indicate that compound activator can increase the early strength of harden paste containing 50% fly ash, and that it can increase the later strength.
其为在水泥硬化体上被覆有合成树脂水性分散体、膨润性粘土矿物及以颜料为主成分的物质隔绝剂所成的水泥复合体。
In the cement composite, a hardened cement product is coated with a substance block agent composed chiefly of an aqueous dispersion of synthetic resin, a swelling clay mineral and a pigment.
再生和再度硬化会使破损的水泥再次变得牢固起来。
The regrowth and re-hardening makes the broken concrete strong again.
运河工程师Canvass White解决了一个施工难题，他发明了水下硬化水泥。
Canal engineer Canvass White solved one of the construction obstacles when he discovered how to create a cement that hardened underwater.
化石是在50英尺深的石灰岩层里，它形成在大约百万年前由于海水泥沙沉淀物的堆积硬化。
The fossils were found in a seam of limestone that was 50 feet thick and was created when ocean sediments solidified millions of years ago.
在相对稳定的温度下，确保夯实墙的最小湿度，以保证水泥的水化和夯实墙的硬化。
B. Maintain rammed earth with minimal moisture loss at relatively constant temperature for period necessary for hydration of cement and hardening of rammed earth.
这种水泥与水混合后会产生化学变化而凝结硬化。
The cement combines chemically with the water it is mixed with, then hardens and strengthens.
硬化混凝土地坪中，节约水泥用量，施工中不提浆，增加强度和耐磨耐久性作用。
For concrete ground, it can save the cement consumption, and no purifying is needed, which increases the strength and wear resistance.
例如，碳水泥比波特兰品种更能避免二氧化碳硬化。
For example, the carbon-negative Ferrock cement is stronger than the Portland variety and sequesters carbon dioxide as it hardens.
因此为模拟复杂条件下的水泥水化、硬化过程提供了另一种可行的方法。
So it provides another feasible measure to stimulate the process of cement's hydrating and hardening under complex situation.
通过多种外加剂的复合，研究了几种以“UNF5”为主体的复合外加剂及其对改善水泥水化硬化性能的复合效应。
The composite effect of admixtures, which are mainly composed of UNF5 admixture for modifying the hydration and hardening performance of cement, is investigated through composing several admixtures.
阐述阻碍水泥刨花板凝结与硬化的主要因素。
Main factors affecting setting and hardening of cement particleboard are expounded.
通过断裂韧性分布特性的研究，将为粗骨料与硬化水泥浆体界面概率断裂分析与施工控制提供了参考依据。
The study results could be used in the probability fracture analysis and construction quality control of interface between coarse aggregate and hardened cement mortar.
复经水泥凝结硬化在砼中形成一种多孔结构，这程砼称之为载气体多孔砼。
Then it is followed by cement setting and hardening and a cellular structure is formed in the concrete, which is called gas-carrier cellular concrete.
对硬化粉煤灰水泥浆体的微结构也进行了探讨。
The microstructure of hardened cement pastes with and without admixture was also investigated.
说明了这四种方法是研究水泥水化硬化规律的有效手段。
Explained that these four methods are rule the effective methods in study the cement hydration reaction.
研究了转炉钢渣粉对矿渣粉-硅酸盐水泥混合胶砂硬化体收缩特性的影响。
The effect of converter steel slag powder(CSSP), on the shrinkage characteristic of hardened GGBFS-PC mixed mortar is studied.
水泥混凝土是由水泥、粗集料、细集料和水按适当比例配合，经一定时间硬化而成的一种人造石材。
Cement concrete, formed with cement, coarse and fine aggregates and water in appropriate proportion before a period of hardening, is a sort of stone material.
水泥混凝土是由水泥、粗集料、细集料和水按适当比例配合，经一定时间硬化而成的一种人造石材。
Cement concrete, formed with cement, coarse and fine aggregates and water in appropriate proportion before a period of hardening, is a sort of stone material.
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