Research mechanism of diffusion and infiltration of concrete, analyze the main influence factor of the concrete permeability and summarized the method of testing of the penetrating index of concrete.
研究了水、氯离子及气体在混凝土中的渗透与扩散的机理，分析了影响混凝土渗透性的主要因素及有待进一步研究的方向，并总结了混凝土渗透性指标的测试方法。
The Ground Penetrating Radar (GPR) is an effective, speedy, continuous and non-destructive testing equipment, and its applications in pavement have been the international active subject since 1980s.
路面雷达是一种高效、快速、连续、无损的路面检测设备，其应用技术的研究自八十年代以来一直是国际上的热门课题。
Ground penetrating radar as a highly efficient, advanced non-destructive testing equipment, is able to implement continued scan of the underground place and have real-time access to radar images.
探地雷达作为一种高效、先进的无损检测设备，能够对地表以下实施续扫描，实时获得雷达图谱。
In this paper, a new principle of in-situ testing penetrating resistance of Marine sediment is given and analyzed simply.
介绍一种新的海底原位测试原理，对该测试原理进行简单的理论分析。
Methods Skin-penetrating capacity testing and suppression testing were performed in guinea pig.
方法通过对豚鼠的活体、体外透皮实验及抑制实验测定cya透皮能力。
Methods Skin-penetrating capacity testing and suppression testing were performed in guinea pig.
方法通过对豚鼠的活体、体外透皮实验及抑制实验测定cya透皮能力。
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