xylem造句_xylem例句_xylem用法_V5词典

1. The xylem of ferns only contains tracheids.: 蕨类植物的木质部只含有管胞。

2. After vascular cambium cells divide, the progeny cells on the interior side become xylem parental cell.: 维管形成层细胞分裂后，在内侧分裂出来的细胞成为木质部的母细胞。

3. The stele includes all primary tissues derived from the procambium consists of pericycle, phloem and xylem.: 中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。

4. The correlation between the reducing sugar content in phloem and xylem and the ratio of damaged trees was not close.: 不同杨树品系韧皮部和木质部的还原糖含量与被害株率没有相关性。

5. Tree rings are made of tissue called xylem.: 构成年轮的组织被称为木质部。

6. In this paper, bast and xylem were separated by hand from hemp(Cannabis Sativea L.: 本文将大麻秆除髓，分离出韧皮部和木质部，测定其化学组成。

7. Secondary xylem consists of pitted vessels, parenchyma fibers and rays.: 次生木质部由孔纹导管、薄壁组织及射线所组成。

8. In cultivated salvia miltiorrhiza roots light-colored periderm contained less layers of cells and low ratio of phloem to xylem compared with those in wild salvia rniltiorrhiza roots.: 栽培丹参根的周皮细胞层数少、色淡，韧皮部与木质部比值小，而野生丹参根的周皮细胞层数多、颜色重，韧皮部与木质部比值大。

9. Summertime bud grafting can be cut take shoot piece, or take xylem shoot less piece, in stock bine dry place decorticates.: 夏季芽接可削取芽片，或少带木质部芽片，在砧木茎干处剥皮。

10. A system confined to the transport of mineral elements is known as the xylem .: 专门用来运输矿物元素的系统称为木质部。

11. The study on the stem secondary xylem of Lonicera maximowiczii, reveals the wood belongs to ring porous wood.: 研究紫枝忍冬茎次生木质部结构，其为环孔材。

12. Sapwood contains xylem vessels, but not as strong as heartwood .: 边材含有木质导管，但不如中心木质那样坚硬。

13. Axial system All the cells derived from the fusiform initials in the vascular cambium , which are elongated parallel to the long axis of an organ. They compromise the secondary xylem and phloem.: 在植物次生木质部和次生韧皮部中，源于维管形成层中纺锤状原始细胞的所有的细胞，都沿着器官的长轴平行的伸长。

14. The rest of phloem also produced callus through dedifferentiation. In addition, there was callus from xylem.: 残存的韧皮部也可以脱分化形成愈伤组织，此外，还存在愈伤组织源于木质部的情况。

15. Any of various vascular plants including seed plants and ferns having a conducting system of xylem and phloem.: 导（维）管植物任何种类的维管植物，包括种子植物和蕨类植物，具有木质部和韧皮部导管系统。

16. Kraft pulping and APMP pulping of the xylem of hybridized citron tree were investigated.: 对杂交枸树木质部进行了硫酸盐法和APMP制浆性能的试验。

17. Vascular cambium The ring of CAMBIUM formed by the activity of the interfascicular cambium and the intrafascicular cambium that gives rise to secondary xylem and secondary phloem.: 由于维管束内形成层和束间形成层的活动产生的环状形成层结构，它的分裂活动可以形成次生木质部和次生韧皮部。

18. Eggs were oviposited in phloem or xylem by encircling the trunk on Populus spp.: 杨树上，产卵刻槽沿树干一周，卵产于韧皮部或者木质部；

19. The secondany xylem mother cell of vascular cambium were differentiated into vessels, gelatinous fibre, libriform fibre, and parenchyma cell.: 维管形成层木质部母细胞进一步分化形成导管、胶质纤维、韧型纤维和木薄壁细胞。

20. Lignified tissues include SCLERENCHYMA and XYLEM.: 木质素组织包括厚壁组织和木质部。

21. Before xylem mother cells reactivated completely, the dividing fusiform cells in cambium and new phloem cells had appeared at the same time.: 在木质部母细胞完全恢复活动之前，形成层纺锤状原始细胞的分裂和韧皮部细胞的分化已经开始。

22. Primary xylem xylem derived from the procambium in the young plant.: 初生木质部：指幼嫩植物中来源于原形成层的木质部。

23. The characteristics of the size of pith, the ratio of pith and the ratio of tegument vs. xylem have drastic variation among the three hybrid combinations of Dongzao seedlings.: 冬枣三种组合后代单株间枝条的髓心粗、髓心比例、皮材比等性状都有较大程度的变异。

24. Daily and seasonal variability in the radial distribution of xylem sap flow velocity in trunks of pear trees were investigated by the heat pulse method.: 采用热脉冲法对梨树树干液流速度径向变化规律进行了系统研究。

25. Daily and seasonal variability in the radial distribution of xylem sap flow velocity in trunks of pear trees were investigated by the heat pulse method.: 采用热脉冲法对梨树树干液流速度径向变化规律进行了系统研究。

26. secondary xylem: 再生的木质组织

27. Sapwood contains xylem vessels, but not as strong as heartwood.: 边材含有木质导管，但不如中心木质那样坚硬。

28. The xylem of ferns and conifers contains only tracheids.: 蕨类植物和针叶树的木质部仅含有管胞。

29. One of the tubular conductive vessels in the xylem of vascular plants.: 导管维管植物的木质部中的管状引导管之一

30. A system confined to the transport of mineral elements is known as the xylem.: 专门用来运输矿物元素的系统称为木质部。

31. The stele includes all primary tissues derived from the procambium consists of pericycle,phloem and xylem.: 中柱包括从原形成层衍生而来的全部初生组织，由中柱鞘、韧质部和木质部组成。

32. Secondary xylem consists of pitted vessels, parenchyma fibers and rays.: 次生木质部由孔纹导管、薄壁组织及射线所组成。

33. Primary meristem;primary xylem.: 初生分生组织；初生木质部

34. In older stems, only the most recent rings of xylem participate in the transport of materials. These make up the sapwood.: 在老茎中，仅最新的木质部环参与物质的运输。这些木质部环组成边材。

35. The part of the primary xylem that differentiates after the protoxylem and is characterized by broader vessels and tracheids.: 后生木质部初生木质部中不同于原生木质部的一部分，以更宽的导管和管胞为特征

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