并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.
分析了温度、盐浓度对水泥浆水化程度和水泥石强度的影响。
Similarly, it is described that the temperature, salinity and some other factors affect the hydration degree and hardened cement strength.
用结合水法、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).
但却会明显降低高强度等级混凝土所用胶凝材料的水化程度,使其绝热温升值下降。
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.
本文研究了养护温度对粉煤灰水泥及纯水泥的强度,CH含量及C_3S水化程度的作用。
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.
结果表明,与纯硅酸盐水泥相比,粉煤灰水泥水化后期的水化程度较高,浆体总孔隙率较低。
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.
然而,有必要考虑由于矿物掺合料的火山灰反应消耗的CH在用CH内容时,以确定的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.
水化程度测试的结果则表明,在早期碱式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.
自养护剂可以提高混凝土胶凝材料的水化程度,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的压应力,减少了微裂缝的产生。
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.
具有达标元素较单一、水化学类型复杂、矿化程度较低、单井允许开采量相差悬殊且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.
为快速确定废水的污染程度,研究了运用近红外光谱法测量废水化学需氧量(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.
并指出,该方法的有效性在很大程度上取决于水化学分析资料的精度。
It is pointed out that the effectiveness of this method depends largely on the accuracy of water chemistry data.
此外,研究还证明无碱矿物激发剂具有水化膨胀性,它在一定 程度上能改善混凝土的 收缩。
Furthermore, the shrinkage of concrete is improved by the proven hydro-expansive property of mineral activator.
此外,研究还证明无碱矿物激发剂具有水化膨胀性,它在一定 程度上能改善混凝土的 收缩。
Furthermore, the shrinkage of concrete is improved by the proven hydro-expansive property of mineral activator.
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