periderm怎么读，periderm什么意思，periderm短语和例句

1.Results and Conclusion The secondary structure of the stem of Uvaria microcarpa consisted of the periderm, cortex and vascular cylinder.

结果与结论紫玉盘的茎次生构造由周皮、皮层及维管组织组成；

2.The harmful effect of injecting chemical into tree on the xylem, bast, periderm and tree body was studied.

本文就树干注入农药，对木质部、韧皮部及周皮和整个树体是否产生不良影响做出评价。

3.The pericycle produces the latent roots and periderm.

由中柱鞘产生侧根及周皮。

4.Results The secondary structure of the roots of Taxus chinensis var. mairei consisted of the periderm and vascular cylinder(stele). Axial and radial systems formed the secondary xylem of the roots.

结果南方红豆杉根的次生结构由周皮和维管系统组成，次生木质部由轴向系统和径向系统两部分构成。

5.The dorsal epidermis had three layers of cells at the 34th day of incubation. Pigmentation started to appear in the cells of periderm at the 40th day of incubation.

背部表皮在孵化第34天出现三层细胞，第40天周皮层细胞中开始出现色素沉集。

6.Suberinite occurs commonly in Mesozoic coal measures and terrestrial organic matter source rocks in Northwest China, which is formed from suberized cell walls, particularly in plant periderm.

西北中生界煤系烃源岩中普遍含有木栓质体，它来源于植物周皮的木栓化细胞壁。