The cement setting time at different temperatures has been measured through choosing citric acid, sugar and sodium gluconate as the retarders of iron Portland cement.
通过选用柠檬酸、白糖、葡萄糖酸钠为矿渣硅酸盐水泥的缓凝剂，测定了不同温度下水泥的凝结时间，分析了温度对混凝土缓凝剂最优掺量的影响规律。
The results show that composite inhibitors have excellent corrosion inhibition efficiency and won't give bad effect on cement setting time , flexural strength and compressive strength.
结果表明，三元复合缓蚀剂具有良好的缓蚀效果且不会对水泥凝结时间和强度产生不良影响。
The effect of gypsum content on the hydration, compressive strength and setting time of Ba-bearing aluminoferriate cement was presented.
介绍了石膏含量对含钡铁铝酸盐水泥的水化、抗压强度和凝结时间等性能的影响。
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 effects of SAE on the density, absorbency, setting time and cement hydration of cement mortars were studied.
考察了SAE对水泥砂浆的密度、吸水性、凝结时间以及水泥水化速度的影响。
The study results on mechanical properties of fine cement grout and its calculus, including cohesion, stability, setting time, compressive resistance and impervious strength, etc.
介绍了细水泥浆液及其结石的物理力学特性（粘度、稳定性、凝结时间、抗压和抗渗强度等）的改性研究成果。
The effect of slag, fly ash, and calcined shale on setting time, compressive strength, resistivity, composition and microstructure of hydrated product of alite-rich Portland cement were studied.
研究了矿渣、粉煤灰和烧页岩单掺及复掺对高阿利特水泥凝结时间、抗压强度、电阻率、水化产物组成及微观结构的影响。
Cement additives are used to change the cement's density, setting time, compressive strength, flow properties and dehydration rate, to cause the cement to expand, and to reduce the cost of the cement.
水泥添加剂用来改变水泥的密度、凝固时间、抗压强度、流动性能和脱水率，并用来使水泥膨胀以及降低水泥成本。
The effect of several fly ash with different amount and fineness on the setting time of cement is studied.
研究了不同掺量、不同细度的几种粉煤灰对水泥凝结时间的影响。
The setting time of alkali-activated phosphor slag cement is short, but they all adjust to the standards of Portland cement.
碱磷渣胶凝材料的凝结时间较短，但都可以达到硅酸盐水泥标准。
Cement prepared with solidified phosphogypsum as retarder had similar setting time as cement prepared with natural gypsum and higher strength than them.
固化磷石膏磨制的水泥和天然二水石膏磨制水泥相比，二者的凝结时间最接近，强度有一定的提高。
It has been shown that limestone can reduce drying shrinkage, standard consistency and setting time of high zeolite cement.
结果表明：石灰石的加入，提高了高沸石水泥的早期强度，降低了水泥的标准稠度、凝结时间及干缩率。
Cement that has no additives to modify its setting time or rheological properties.
没有添加外加剂去改变其稠化时间或流变性能的水泥称之为净水泥。
The effects of five common set-retarders on setting time of cement paste and concrete and strength of concrete are studied.
论文分别研究了木钙、糖钙、酒石酸、焦磷酸钠和蔗糖共五种常用缓凝剂对水泥净浆凝结时间、混凝土凝结时间及强度的影响。
In this paper, the behavior of grouting cement mortar to reinforce highway subgrade is analyzed from the aspects of stability, fluidity, viscosity, bleeding ratio and setting time of cement mortar.
对注浆加固公路路基用的水泥浆体从稳定性、流动度、粘滞度、凝结时间、析水率等方面进行了研究。
The results showed that the ultrafine slag did almost not influence the needed water of cement, but it postponed the setting time.
结果表明，矿渣细粉对水泥标准稠度需水量基本没有影响，但延长了水泥的凝结时间。
The initial setting time of Portland cement shall not be earlier than 45 minutes, final set time not later than 390 minutes.
硅酸盐水泥的初凝时间不得早于45分钟，终凝时间不得迟于390分钟。
The paper elucidates that for cement an important technical index-setting time, which must not be neglected.
阐述了水泥中不可忽视的一项重要技术指标- 凝结时间。
The need for cement retardation increases with depth due to the greater time required to complete the cementing operation and the effect of increased temperature on the cement-setting process.
深度越大，为完成注水泥作业所需的时间越长，而且由于升高的温度对水泥浆凝固过程的影响，因而对水泥浆缓凝的需求也越高。
The effect of the amount of water needed under the cements normal consistency, setting time and volume stability were investigated when heat insulation and waterproofing powder was added in cement.
研究了当水泥中混入隔热防水粉后 ，隔热防水粉对水泥标准稠度用水量、凝结时间及体积安定性的影响 。
The influence factors of Alkali - activated - Fly ash - Slag cement (AAFSC) on strength were investigated and the setting time of AASFC was determined.
研究了影响碱-粉煤灰-碱矿渣水泥(AAFSC)的强度的因素。测定了其凝结时间。
The workability, strength, setting time and shrinkage of cement mortars with Bao Steel rotating furnace slag (BSRS) or electric furnace slag (EFS) as substitute for sand were studied.
研究了宝钢转炉滚筒渣、电炉渣代砂建筑砂浆的和易性、强度、凝结时间和收缩等性能。
The results show that, with the in- crease in CA cement content, the fluidity of MgO-based investment materials decreases and so does the initial setting time.
结果表明，随着铝酸钙水泥含量的增加，氧化镁系包埋料的初凝时间缩短，流动性变差；
Its setting time is determined by the cement which is the majority in this compound cement.
凝结时间则由复合体中占比例较多的一种水泥所控制。
Finer grinding in a proper way will reduce the setting time of concrete made by shaft kiln cement containing F. However, it is impossible to...
适当细磨可以缩短含氟立窑水泥配制混凝土的凝结时间，但无法消除立窑水泥配制混凝土凝结时间偏长的缺点。
The setting time of portland cement was extended with the content of the activated coal gangue increasing. And mechanical properties decreased with the increase content of coal gangue;
将活化煤矸石掺入硅酸盐水泥中，水泥凝结时间延长，胶砂强度随着活化煤矸石掺量的增加而降低；
The results showed that silicate can significantly speed up the setting time of cement grout.
试验结果表明，水玻璃能显著加快水泥浆的凝结时间。
The paper analyzed the influence of cement-silicate on setting time and compressive strength.
分析了水泥浆液中掺入水玻璃对水泥凝结时间和无侧限抗压强度的影响。
The invention provides a cement product setting accelerating method which can shorten the initial setting time of the cement product and enhance the production efficiency.
本发明提供一种缩短水泥制品初凝时间，提高生产效率的水泥制品促凝方法。
The invention provides a cement product setting accelerating method which can shorten the initial setting time of the cement product and enhance the production efficiency.
本发明提供一种缩短水泥制品初凝时间，提高生产效率的水泥制品促凝方法。
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