作者结合北方地区特点，从多方面分析了建筑潮湿产生的原因，同时介绍了防止产生潮湿的办法和为避免蒸气渗透应采取的措施。
Combining characteristic of north area, author analyses causation of moist in building, and introduces the method to reduce moist and to avoid steam filtering.
目的建立了一种物理显影液显现潮湿或者浸泡渗透客体表面血潜手印的新方法。
Objective To set up a method for developing latent blood fingerprints on porous surfaces with sliver physical developer.
结论物理显影液能够有效地显现出潮湿或者浸泡后手渗透客体表面血潜手印。
Conclusion Sliver physical developer is effective for the development of latent blood fingerprints on porous surfaces.
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