OBJECTIVE: To study the effects of different penetration enhancer on the transdermal permeation of Complex Scutellaria Baicalensis cataplasm.
目的：研究不同促渗剂对复方黄芩巴布剂透皮吸收的影响。
The domestic steel box beam for long-span suspension bridge is mostly welded structure at present, which features complex structure, a great deal of penetration welds, difficult manufacture.
目前，国内大跨径悬索桥钢箱梁大多为全焊结构，具有结构复杂、熔透焊缝多，制造难度大等特点。
A kind of complex geomembrane was laid in the upper layer of the roadbed to prevent water penetration, therefore the lower classed soil could be used as fill of embankment.
利用二布一膜的隔水防渗特性，铺设在路基基床表层，改良路基填料。
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