查询词典 Portland

To explore the hydration process of Portland cement-fly ash system, the reaction degree of fly ash and Portland cement,non-evaporable water content,amount of hydration products,porosity and compressive strength of pure cement pastes and cement-fly ash pastes were studied at various curing ages,water-to-binder ratio,and fly ash replacement percentages.

为考察粉煤灰对水泥水化进程的影响，系统研究了水泥粉煤灰浆体在不同养护龄期、水胶比、粉煤灰掺量下水泥和粉煤灰反应程度、非蒸发水数量、水化产物数量、孔结构和浆体力学性能。

The grindability of cement clinker was better than ordinary Portland cement, for example, on the same condition it took the high alite content Portland cement clinker 4.5min to grind to a specific surface area of 320m2/kg, while the o...

同时这种水泥熟料的易磨性优于普通硅酸盐水泥熟料：在相同条件下，磨细到比表面积320m2/kg时，这种熟料需要4.5min，而普通硅酸盐水泥熟料则需要8.0min。同时对该熟料进行了岩相检验分析。

Compatibility of high belite cement, Portland cement and ordinary Portland cement with superplasticizer and effect of mineral admixtures on the compatibility of high belite cement have been studied with the test of the workability of concrete as reaffirmation.

结果表明：高贝利特水泥具有优异的与高效减水剂相容性，具备优良的施工性能。

The European Prestandard prEN 197-1 identifies two types of Portland limestone cement containing 6–20% limestone and 21–35% limestone, respectively. It is expected that the future world production and use of Portland limestone cement will be significantly extended.

欧洲prestandard产前197-1列出两种含有6-20%波特兰水泥灰岩、石灰石石灰石21-35%，分别预计未来世界石灰石硅酸盐水泥的生产和使用将大大延长。

Portland cement was used as cementations materials in developing foamed concrete, and some high alumina cement and lithium salt were added into Portland cement to adjust the time of setting in order to match the stable time of foam.

以普通硅酸盐水泥作基材制备泡沫混凝土，为了与泡沫的稳定时间相匹配，研究采用在普通水泥中掺入一定量的高铝水泥和碳酸锂来调整水泥浆的凝结时间。

It is also revealed that the refractoriness of Portland cement and alumina cement are actually at the identical level, and refractoriness of castable with low cement content of Portland cement, substitution of alumina cement, will not cause worsening of refractoriness.

研究还发现硅酸盐水泥耐火度与矾土水泥耐火度实为同一水平，低水泥耐火浇注料中硅酸盐水泥替代矾土水泥不会造成浇注料耐火度的恶化。

Experiment studied the possibility of substituting Portland cement for alumina cement to make low cement castable refactory. The results indicated that Portland cement may definitely substitute the alumina cement to make low cement castable with good performance, within the scope of low cement content of the modern low cement castable system.

试验研究了硅酸盐水泥替代矾土水泥制造低水泥耐火浇注料的可能性，结果表明在低水泥掺量的现代低水泥耐火浇注料体系中，硅酸盐水泥完全可以替代矾土水泥配制性能良好的低水泥耐火浇注料。

Watering concrete curing time, the introduction of Portland cement, ordinary portland cement or slag cement concrete mixing shall not be less than 7d; retardation of mixed type with admixtures, the impermeability requirements, or ash cement, fly ash cement concrete mixing shall be not less than 14d; of mixing using alumina cement concrete not less than 3d.

混凝土的浇水养护时间，对采用硅酸盐水泥、普通硅酸盐水泥或矿渣硅酸盐水泥拌制的混凝土不得少于7d；对掺用缓凝型外加剂、有抗渗性要求、或用火山灰水泥、粉煤灰水泥拌制的混凝土不得少于14d；对采用矾土水泥拌制的混凝土不少于3d。

Bynum will rediscover some of his game against Portland's twin toughies, but the Lakers will still struggle up at Portland.

拜纳姆会在对阵波特兰强硬双塔（乔什·普尔扎比拉和格雷格·奥登）的比赛中找回状态，但是湖人仍然会在波特兰艰难挣扎。

We can supply : Grey portland cement for construction 42.5 N/R Grey portland cement grade 42.5 R according to British and SABS standards DIN EN 197-1200 or ASTM C 150

我们可供应：灰色波特兰42.5N/R建筑水泥灰色波特兰42.5 R水泥，符合英国和SABS标准DIN EN 197-1200或美国ASTM C 150标准

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。