• 通过氢氧化钙含量分析了油基水泥浆水化程度

    Cement hydration degree is analyzed by calcium hydroxide content.

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  • 分析了温度浓度对水泥浆水化程度水泥强度影响

    Similarly, it is described that the temperature, salinity and some other factors affect the hydration degree and hardened cement strength.

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  • 结合水法、压汞法对水泥水化程度水泥石孔结构及其分布进行研究。

    The hydration degree of cements, the pore structure and the pore size distribution of hydrated cement mortars were analyzed by chemical binding water and mercury intrusion porosimetry(MIP).

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  • 明显降低强度等级混凝土所用凝材料水化程度,使其绝热升值下降。

    However, the hydration degree of binder, as well as the adiabatic temperature rise for high strength concrete, will be obviously decreased due to the increase of initial casting temperature.

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  • 本文研究养护温度粉煤灰水泥水泥强度CH含量及C_3S水化程度作用

    The effect of the curing temperature on the strength, the CH content and the degree of C_3S hydration of the fly ash cement and pure cement was studied.

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  • 结果表明,与硅酸盐水泥相比粉煤灰水泥水化后期水化程度较高浆体总孔隙率低。

    The results show that the degree of hydration of fly ash-cement paste is higher and the porosity is lower than pure Portland cement paste in late ages.

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  • 然而必要考虑由于矿物掺合料火山灰反应消耗CHCH内容时,确定的CCM的水化程度

    However, it is necessary to consider the CH consumption due to pozzolanic reaction of mineral admixtures when using CH content to determine the hydration degree of CCM.

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  • 水化程度测试结果表明早期硫酸盐作用下大量溶解的废弃粗粉煤灰中的活性成分,要在后期才能够完全参与火山灰反应

    The result of hydration reaction shows that, with the help of alkali sulphate, the dissolved glass phases of reject fly ash at the early stage mainly join the pozzolanic reaction at the later stage.

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  • 养护可以提高混凝土胶凝材料水化程度降低混凝土内由于水化反应导致的毛细孔水面下降所产生应力减少了裂缝的产生。

    Autogenous curing agent can improve the hydration degree of concrete, reduce the compressive stress which dropping of water in capillary of concrete caused and sensitivity to cracking.

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  • 具有达标元素单一类型复杂矿化程度较低单井允许开采量相差悬殊地域分布不均等特点

    It has characteristics as single standard element, complicated hydrochemical types, low mineralization degree, wide disparity in single well permissive yield and inhomogeneous distribution in space.

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  • 快速确定废水污染程度,研究了运用近红外光谱测量需氧量COD)的可行性。

    To rapidly determine the pollution extent of wastewater, the potential of near infrared(NIR) spectroscopy for measurement of chemical oxygen demand(COD) in wastewater was investigated.

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  • 指出,方法有效性在很大程度取决于学分析资料的精度

    It is pointed out that the effectiveness of this method depends largely on the accuracy of water chemistry data.

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  • 此外研究还证明碱矿物激发剂具有水化膨胀性,它一定 程度上能改善混凝土 收缩。

    Furthermore, the shrinkage of concrete is improved by the proven hydro-expansive property of mineral activator.

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  • 此外研究还证明碱矿物激发剂具有水化膨胀性,它一定 程度上能改善混凝土 收缩。

    Furthermore, the shrinkage of concrete is improved by the proven hydro-expansive property of mineral activator.

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