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。

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For early case of leprosy, the authors believe it had better set up a bacterial index in nonspecific infiltration (BINSI) so as to record the number of the bacilli in the section of the skin.

对于早期病例，建议再设一个“非特异性浸润细菌指数”(BINSI)，以记录病变为非特异性浸润的麻风皮肤切片中的细菌指数。

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Conclusion (1) VEGF could be taken as an index for evaluating the infiltration, metastasis and prognosis of GC.

结论(1)VEGF可作为胃癌浸润、转移及预后的指标之一。

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