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The Orchidaceae is a diverse and wide spread family of flowering plants that are of great value in ornamental, medical, ......
Dendrobium orchid polysaccharide extract: Preparation,characterization and in vivo skin hydrating ef
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
