英语释义

• the woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vessels

片语

xylem island[植]

xylem sap[植] 木质部汁液

secondary xylem次生木质部

xylem duct木部导管

xylem fluids木质部提取液

carinal xylem脊木质部

cryptogamic xylem隐花植物木质部

xylem fiber木质纤维

英汉例句

• centripetal xylem differentiates from the outside toward the center, and a centripetal inflorescence (e. g. the capitulum ) is one in which the outer flowers open before those in the center.

  向心的木质部的分化是从外向内的，向心式的花序是外面的花比中央的花先开放。

• but the very end of such a network, the leaf, has a different architecture. unlike the xylem and phloem, the veins in a leaf cross-link and loop.

  但网络的最边缘——叶子，却具有不同的结构，与木质部和韧皮部不同，叶子的纹路交叉并成环。

• 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。

• 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。

• between primary xylem and primary phloem there are 2—3 layers of parenchymatous cells, regularly or irregularly arranged, but no cambial zone can be recognized.

  初生木质部与初生韧皮部之间可见到2—3层排列规则或不规则的薄壁组织细胞，但是没有维管形成层的发生。

• results showed that vsp localized mainly in cortex and xylem of branches but not in leaves.

  结果表明，银杏营养贮藏蛋白质主要存在于枝条的皮层和木质部中；

• the leaf, bud, bast and xylem of type c plant had no components of type a, and showing that the above-ground of type c was already pure.

  深州杨c型植株的叶、芽、韧皮部、木质部已经检测不到深州杨a型的成分，说明深州杨c型的地上部分已经纯合；

• recessive mutations in several loci of arabidopsis were previously shown to lead to a collapsed xylem phenotype but water-transport deficiency was not observed.

  以前发现的拟南芥中几个位点的隐性突变导致了木质部萎陷的表型，但没有观察到水分运输的缺失。

• 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。

• 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。

• 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。

• both the shape of the cambium and the number(5~7)of the primary xylem groups vary at different levels.

  此外，在根的不同水平上，形成层环的形状和初生木质部的数目（5～7）不同。

• 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。

• with the stress degree stronger and the stress time longer, the protein in xylem sap changed among 14.4~31kd for all alternative split-root osmotic stress.

  随着渗透胁迫强度的增加和胁迫时间的延长，木质部汁液中的可溶性蛋白质组分主要在14.4~31kd范围内变化。

• 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。

• 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。

• the xylem of ferns only contains tracheids.

  蕨类植物的木质部只含有管胞。

• roads, railways, water and gas mains, sewage pipes and electricity cables all move things around. so do the blood vessels of animals and the sap-carrying xylem and phloem of plants.

  他的观点是，在某种程度上二者均由运输物质的网络构成——公路，铁路，水路以及煤气管，污水管还有电缆线都在输送物质，动物血管和植物运输汁液的木质部、韧皮部也是如此。

• the study indicates the changes of hydraulic architecture parameters with stem segment functional xylem diameter can be modeled by different equation with the decreased twig water potential.

  研究表明，随着小枝水势的降低，水力结构各参数随茎段功能木质部直径的变化可以用不同的方程来模拟；