method of testing cements-determination of strength-ISO 679:1989是什么意思

用法例句

Scientific selection and application of cement grinding aids;

科学选择与使用水泥助磨剂

A standard addition method for differential spectrophotometric determination of magnesium oxide in cement;

差示光度法中的标准加入法测定水泥中的MgO

Control methods of compatibility of cement and water reducer;

水泥与减水剂相容性控制方法

The research on the cold recycling on old pavement sites with concrete as its stabilizer;

以水泥为稳定剂的旧路面现场冷再生技术探讨

The optimum proportion between polymer emulsion and concrete was confirmed.

介绍了外墙外保温系统专用粘结剂中乳液的合成、性能及其应用,讨论了聚合物乳液中丙烯酸含量、乳化剂种类及添加量等对其性能的影响,确定了该外墙外保温系统专用粘结剂中聚合物乳液与水泥的最佳配比。

By testing and studying the radioactivity of Guangxi concrete and admixture,the article finds the characteristics and rules of radioactivity effect,which will guide the concrete industry production and some proper treatment in order to re- duce or to avoid the harm to the health,and to achieve the goal of protecting health.

文章通过对广西水泥与混合材放射性的实验研究,以发现其放射性影响的特征和规律,从而指导水泥企业的生产及进行适当后处理,以减少或避免其对人体健康的危害,从而实现保护人体健康的目的。

Hydration process of Portland cement-fly ash pastes;

水泥-粉煤灰浆体的水化反应进程

Hydration kinetics model studies of portland cement-fly ash pastes;

粉煤灰-水泥浆体水化动力学模型

Study on optimazing measure of neat cement slurry and cement paste for oil well;

油井净水泥浆及水泥石优化措施研究

The study of the relationship between the strength of the cement paste with fly-ash and pore structure;

掺粉煤灰水泥石孔结构与力学性能关系的研究

A finite element method for predicting the chloride diffusion coefficient of cement paste;

水泥石氯离子扩散系数预测的有限元方法

Analytical correction method and its application in saline mud-log in Liaohe tidal zone and shallow water area;

辽河滩海地区盐水泥浆测井资料分析校正方法及应用

Because it is difficult to identify the reservoir fluid accurately under saline mud condition in Kuihuadao oilfield, we have carried out a research on the method of identifying reservoir fluids in the oilfield using plenty of production test or production data and 3700 logging data to improve the coincidence rate.

针对葵花岛油田在盐水泥浆条件下准确识别储层流体存在一定的难度,为了不断提高该油田储层流体识别的符合率,本文充分利用该油田比较丰富的试油投产资料及3700测井资料,开展了该油田储层流体识别方法研究,建立了该油田油气水层及气层识别图版,同时应用模糊逻辑方法建立了葵花岛油田模糊逻辑储层流体识别模型,并应用该模型对该油田内各井进行储层流体识别,最后结合上述图版及模糊逻辑储层流体识别成果,综合划分了该油田各井的有效厚度,重新计算了原油天然气地质储量,圆满完成了葵花岛油田的储量套改工作。