查询词典 frostbiting

Concrete frostbiting is the important factor that influence the concrete structure endurance. To ensure the endurance of some important project, more and more importance is attached to the concrete freezing resistance.

混凝土的冻害是影响混凝土结构耐久性的重要因素，为了保证一些重大工程的耐久性，混凝土的抗冻性已经越来越引起人们的重视。

At present there are mostly Hydrostatic Pressure Theory and Penetrative Pressure Theory with regard to concrete frostbiting principle after setting. But they are not the last word, because the pressure can not be measured directly or calculated exactly. The two theories can triumphantly explain much phenomenon about concrete in the freeze-thaw process.

混凝土硬化后的冻害机理目前主要有静水压学说和渗透压学说，由于不能直接测定或进行准确计算，所以还没有定论，但它们可以成功地解释混凝土冻融过程中的很多现象。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。