片语

hydration heat evolution水化放热

hydration heat synthesis水热合成

Cement hydration heat水泥水化热

the hydration heat水化热

hydration n heat水合热

ionic hydration heat离子水合焓

hydration of heat水化热

hydration heat development水化热发展

英汉例句

• this study show that this new type cementing material is characterized hy small porosity and low hydration heat and can be used in mass concrete works to replace portiand cement for dams.

  研究表明，这种新型胶凝材料具有孔隙率小、水化热低的特点，能够取代大坝水泥应用于大体积混凝土工程。

• the addition of fly ash can further reduce the hydration heat of high belite cement.

  粉煤灰可进一步降低高贝利特水泥本已较低的水化热。

• in mass concrete construction, the structural cracks by cement hydration heat will influence the durability and mechanical properties of concrete.

  在大体积混凝土施工中，由于水泥水化热等多种因素产生的混凝土结构裂缝将影响混凝土的耐久性能和力学性能。

• performance: corrosion resistance good, the hydration heat low, the thermal stability is good.

  性能：抗腐蚀较好，水化热低、耐热性较好。

• the hydration heat of cement paste was tested to investigate the influence of sulfate content in cement paste on the compatibility of cement and naphthalene superplasticizer.

  同时测定水泥浆体的水化放热，确定水泥浆体中硫酸盐含量对水泥和萘系减水剂相容性的影响。

• in this article, based upon practical experimentation and analysis, it has introduced the method of prediction for the hydration heat in concrete.

  本文以实际试验为基础，经分析后提出了水化热的预测方法。

• on the other hand, using cement of low hydration heat or decreasing the amount of cement is important.

  采用低热水泥或降低水泥用量是减少水化热的关键。

• the mixture ratio of c40 marine high performance concrete is optimized through test of the hydration heat of binding material, slump, chloride ion diffusion coefficient, anti-crack rand of concrete.

  通过测试胶凝材料水化热、混凝土的坍落度和氯离子扩散系数、抗裂等级等性能，对c40海工混凝土的配合比进行了优化设计。

• for massive concrete construction, the low hydration heat cement like the slag portland cement is often used to facilitate temperature rise control in the concrete.

  大体积混凝土施工时常选用水泥水化热较低的矿渣硅酸盐水泥等以利于混凝土温升控制。

• the influence of concrete hydration heat on the temperature of the frozen soil wall was analyzed by finite difference method.

  利用有限差分方法，分析隧道联络通道结构施工时混凝土水化热对人工冻结形成的冻土帷幕的影响。

• reduction of the hydration heat during cementation of radioactive resins can reduce thermal stresses and prevent thermal cracks.

  降低放射性废树脂水泥固化中水化热可以降低温度应力、减少裂纹。

• the results show that the early strength and the permeability of concrete can be improved effectively, and the hydration heat can be reduced and the hot peak value at the early age can be postponed.

  结果表明：掺加激发剂能有效改善大掺量粉煤灰混凝土早期强度低的问题，而且可以在降低水泥水化热的同时，延缓混凝土早期放热峰值的出现，并使混凝土具有良好的抗渗性能。

• it's a critical problem to control hydration heat temperature difference in the construction of mass concrete.

  控制好水化热内外温差是大体积混凝土施工中的关健问题。

• the dimension of the massive concrete is very huge. after the concrete is poured, a great deal of hydration heat of cement is given off. so the deleterious crack comes into being.

  大体积混凝土体积庞大，混凝土浇筑后释放大量水化热，导致混凝土结构产生有害裂缝。

• during the mass concrete construction in bridge structure, the cement hydration heat is easy to cause surface cracking.

  大体积混凝土在桥梁施工过程中，由于水泥水化热容易引起表面裂缝。

• in pouring the slow setting technology is adopted to make the effective release of hydration heat to reduce the temperature of concrete in early stage.

  在浇筑时，再辅以混凝土缓凝技术，能有效地散发水化热，降低混凝土早期温度，以保证大体积混凝土的整体性。

• for mass concrete construction, cement caused by hydration heat of concrete pouring temperature and internal stress of dramatic changes in temperature, is the main reason for cracks in concrete occur.

  对于大体积混凝土建筑，水泥水化热引起混凝土浇筑内部温度和温度应力剧烈变化，是导致混凝土发生裂缝的主要原因。

• effect of fly ash on the workability, strength and hydration heat of high belite cement and concrete.

  粉煤灰对高贝利特水泥和混凝土的工作性、强度及水化热的影响。

• the influences of water binder ratio, superplasticizer and mineral blend on the hydration heat of the binder paste were studied by means of hydration heat experiments.

  研究了水胶比、高效减水剂、矿物掺合料对高性能混凝土中胶结材浆体水化热的影响。

• effect of fly ash on the workability, strength and hydration heat of high belite cement and concrete. ;

  在寒区冻土层灌注桩混凝土施工中，水化热保证了混凝土受冻前的温度，又导致周边冻土层地温上升。

• the hydration heat of massive concrete does not emanate easily, so the internal temperature will be very high which will generate high thermal stress, then the temperature crack will appear.

  大体积混凝土的水化热不容易及时散发，内部温升将会很高，从而产生很大的温度应力，导致出现温度裂缝。

• mineral blend can markedly reduce the hydration heat and the hydration exothermic rate, and postpone the arrival time of the highest temperature, particularly the double adding and tri adding.

  矿物掺合料的加入可明显降低水化热、水化放热速率，推迟达到最高温度的时间，尤其是双掺、三掺时降低效果更为显着。

• a new formula was proposed to simulate the hydration heat of cement in concrete. the model takes the influence of temperature and concentration of reactant into account .

  提出了考虑温度和化学反应物浓度影响的混凝土水泥水化反应放热模型。

• it can be minimized or prevented by using low-alkali low-c3a and low hydration heat cement or adding mineral additive finer than the cement and curing at moisture-retention and heat-insulation.

  采用低堿低c3a低水化热的水泥、在混凝土生产中掺入比水泥细的矿物掺合料、在混凝土浇注后采取保湿保温养护等措施可减少或避免混凝土的早期开裂。

• massive muddy in winter and hydration heat of concrete construction.

  冬季大体积溷凝土施工及水化热处理。