The objective was to study the chemical constituents in the root bark of Paeonia suffruticosa Andr.

目的是研究芍药根皮的化学成分。

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Bark or rind; root tissue between the epidermis and the stele.

树皮；位于根表皮和中柱之间的组织。

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The invention provides a preparation method for celastrol, which relates to the preparation method for extracting, separating and purifying the celastrol from the root bark of celastraceae plants.

本发明“一种雷公藤红素的制备方法”涉及到从卫矛科植物的根皮中提取分离纯化 雷公藤红素的制备方法。

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These include sassafras,vanilla, wintergreen, cherry-tree bark, licorice root, black cherry and cane sugar.

VOA: special.2011.08.01

D-shaped holes in the bark or new tree shoots emerging at the root zone of your ash trees may be a sign of infestation by the Emerald Ash Borer, an insect native to the Far East that targets ash trees, says Dave Dailey of Birchcrest Tree and Landscape, in Rochester, N.

WSJ: Getting to the Roots of Your Trees' Stress