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The relationships between the basic properties and trace elements in soil argillans and corresponding matrix soils were ......
目的：评价复方苦槿霜局部用药的安全性。方法：皮肤刺激试验：40％、80％复方苦槿霜分别涂于家兔完整皮肤和破损皮肤；皮肤过敏试验：40％复方苦槿......
以中国黄土高原南缘武功地区S_(5-1)古土壤为研究对象,对比分析其胶膜与基质土壤的矿物学与地球化学特征,明确古土壤结构体表面深......
