Low-density是什么意思

网络释义

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。