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Relationships Between δ18O in Taproot of Panax notoginseng and Ecological Factors Studies on root of Pueraria DC. to differentiate it from other species of same genus by pattern recognition Ⅱ Complexity and its integrative effects of the time lags of environment factors affecting Larix gmelinii stem sap flow. Study on correlation of soil nutrients and content of active constituents in root of Rumex gmelini Study on key physical properties of granulated products of Andrographis mixed powder by high-speed mixing wet method