Adding activator will be favorable to raise slag cement strength.
增加激发剂的掺入量有利于矿渣水泥强度的提高。
Based on optimized BP algorithms, some prediction models are developed for cement strength.
运用改进的BP算法，建立了水泥强度预测模型。
Researching impact of particle distribution of mixing- grinding cement from different kilns on cement strength.
以灰色系统理论研究不同窑型熟料混磨水泥的颗粒分布对水泥强度的影响。
Phosphorous gypsum makes cement condensation time prolonged, while give no evidence influence on cement strength.
在水泥中加入磷石膏做缓凝剂，对凝结时间影响较大，但对强度影响不太明显；
Technology of clinker slag separate grinding is one of the important technical ways to improve the cement strength.
熟料矿渣分别粉磨技术是提高矿渣水泥强度的重要技术途径。
Therefore, the material to the cement strength effect and the dampproof capability meet the qualification of GB 9774-2002.
因此，制袋材料对水泥强度的影响和防潮性能符合GB 9774- 2002的要求。
After adopting ISO standard to test cement strength, equipment for producing cement from phosphor will face the challenge.
我国水泥强度检验方法如采用ISO标准或相当于ISO标准后，磷石膏制水泥装置将面临着严峻的挑战。
Similarly, it is described that the temperature, salinity and some other factors affect the hydration degree and hardened cement strength.
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。
Moreover, with the increase of cement strength, the environmental burden and the resource consumption of cement are deteriorated accordingly.
随着水泥强度的提高，水泥的环境影响负荷和资源耗竭系数均增大。
It can improve the cement strength at different ages. It can improve the 3d and 28d compressive strength of the cement by 20% above and 10% above.
能有效提高水泥的各龄期强度。可提高水泥3天抗压强度20%以上，28天抗压强度10%以上。
After the new cement standards come into force, changes take place in the relationship between the cement strength and concrete compression strength.
使用水泥新标准后，水泥强度同混凝土抗压强度之间的关系随之变化。
The results showed that the cement strength would be decreased and setting time increased drastically if the content of phosphor slag increased from 20% to 60%.
研究发现，磷渣掺量由20%增至60%时，水泥抗折和抗压强度均大幅下降，凝结时间随磷渣掺量增加而显著延长。
The relationship between cement strength and volume fraction of different phosphorous slag particle diameter ranges was analyzed by gray relevant analysis method.
采用灰色关联分析方法研究磷渣各粒径范围颗粒含量与水泥强度之间的关系。
It studies on the influence of the heaped density of pulverized fuel ash cement granular group on pulverized fuel ash cement strength and fluidity by gray connected analysis method.
采用灰色关联分析方法研究粉煤灰水泥颗粒群堆积密度对粉煤灰水泥强度与流动度的影响。
This high packing density accounts for the strength and stability of cement, which makes it useful for structures like tunnels and Bridges.
这种高堆积密度说明了水泥的高强度和稳定特性，使其成为隧道和桥梁等建筑物的理想材料。
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。
Addition of silica fume into the mix will result in increasing the workability and strength of cement mortar and decreasing the expansion.
同时掺加硅灰还能够提高掺玻璃纤维高钙粉煤灰水泥砂浆的和易性和强度，并减小其膨胀。
The results indicate that cement mixing ratio, water content and comparative effort have important influence on shear strength, compressibility and microstructure of the compacted cement -loess.
试验研究表明，水泥掺入比、初始含水量和夯实功对夯实水泥黄土的抗剪强度、压缩性和微观结构有着重要的影响。
This paper proposed the reasonable amount and the temperature of adding silica flour after studying the strength retrogression of Romania S_2 oil cement at high temperature.
本文通过研究罗马尼亚s_2油井水泥在高温下形成水泥石的强度衰退规律，提出合理的加砂量并讨论了应加砂的温度范围。
By the study on the carbon fibre reinforced cement, this paper finds the relations between carbon fibre contemt and composites compressive strength and tensile strength.
本文通过对水泥基体掺入碳纤维进行研究，得出了复合体抗压强度、劈拉强度与碳纤维掺量的关系。
This paper delivered the relationships of uniaxial tensile and compressive stress with strain and bending properties, and felt-bending strength of cement mortar with polyvinyl acetate (PVAC).
研究掺聚醋酸乙烯水泥砂浆的轴拉和轴压应力—应变关系、抗弯性能以及长期粘结抗弯强度。
The compressive strength of concrete at an age t depends on the type of cement, temperature and curing conditions.
时间t时的抗压强度与水泥种类，温度以及养护条件有关。
By test analysis compared with strength degree 32.5 of cement, strength of steel slag concrete is slightly decreased, but its fluidity is improved.
实验对比表明：与强度等级为32 . 5的纯水泥钢渣混凝土对比，掺入钢渣粉的砼强度略有降低，但能改善混凝土的和易性。
For concrete ground, it can save the cement consumption, and no purifying is needed, which increases the strength and wear resistance.
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。
The influence of fly ash and slag powders on the fluidity and compressive strength of cement mortars were investigated.
用不同掺量的矿渣粉及粉煤灰对水泥砂浆流动性和抗压强度进行了试验研究。
Selection of materials include characteristics of cement, particle size, intrinsic strength, shape and texture of aggregate, chemical admixtures and mineral admixtures, etc.
材料的选择包括水泥的品质、集料粒径、集料强度、颗粒形状和质地、化学外加剂、矿物掺合料等。
Selection of materials include characteristics of cement, particle size, intrinsic strength, shape and texture of aggregate, chemical admixtures and mineral admixtures, etc.
材料的选择包括水泥的品质、集料粒径、集料强度、颗粒形状和质地、化学外加剂、矿物掺合料等。
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