xylem

xylem

美 ['za?l?m]  英 ['za?l?m]

  • n.木質部(植物中將水分和礦物質從根部向上輸送的組織)
  • 網絡本質部;萊默;植物的木質部

英漢雙解

n.
1.
木質部(植物中將水分和礦物質從根部向上輸送的組織)the material in plants that carries water and minerals upwards from the root

英漢解釋

n.
1.
【植】木質部

英英解釋

n.

例句

Heartwood(duramen) The hard central region of a tree trunk made up of xylem vessels that are no longer involved in water transport.

位于樹干中部區域涉及水分傳輸導管構成

Procedurally , xylem pressure potentials can be measured by cutting a stem from a plant and placing it in a pressure bomb apparatus.

程序壓力潛力可以通過削減源于植物安置測量取樣壓力用具

Out of the xylem, there is lot of fiber and the tannin crystal distributes around the air cavity.

葉脈組織發達纖維數量眾多周圍單寧結晶分布

The recently developed xylem-pressure probe technique is the only means to directly measure negative pressure in xylem conduits.

此外壓力探針技術目前唯一可以直接測定導管工具

According above, diagram of a hypothetical pathway during secondary xylem differentiation was raised.

進而這些結果提出細胞分化機理大致模型

Such thickening allows extension of the XYLEM between the rings so that it is not ruptured as the surrounding tissues grow.

這樣加厚允許沿周圍組織生長不會破裂

The distribution of As in the pinna showed that As had great abilities to be transported in xylem vessels and from xylem to mesophyll.

分布情況顯示很大能力運輸船只

The early formed secondary xylem was characterized by a large number of wood fiber cells with non woody cell wall.

早期生成次生細胞尚未纖維細胞數量居多特征

In older stems, only the most recent rings of xylem participate in the transport of materials. These make up the sapwood.

最新參與物質運輸這些組成邊材

The xylem sap of bottle gourd No. 3 as rootstock was the best one to promote grafting seedling of cucumber to grow significantly.

3砧木嫁接黃瓜生長明顯促進作用

A system confined to the transport of mineral elements is known as the xylem.

專門用來運輸礦物元素系統稱為

Actinostele A type of protostele in which the xylem is star shaped and the phloem lies between the points of the star.

一種類型韌皮部位于之間

Where they occur interspersed with the xylem they may be distinguished from tracheids by their narrower lumen.

纖維分布相似狹窄區分開來詳細

Summertime bud grafting can be cut take shoot piece, or take xylem shoot less piece, in stock bine dry place decorticates.

夏季芽接砧木剝皮

Herb refers to xylem not developed careless qualitative or meat, and the ground of stem blight was mostly in part of the plant body.

草本具有發達肉質地上部分大都當年枯萎植物

The vessel elements of secondary xylem in Averrhoa carambola are observed by bio-microscope image analysis system and micrography .

運用細胞圖象分析系統顯微照相方法陽桃次生導管分子進行觀察研究

The xylem of the root is tetrarch, lateral root initiate the in metaxylem radiating angle opposite to pericycle cell.

原型側根發生放射細胞

Shoot-applied 45Ca was rapidly translocated to all leaves of excised shoots through the xylem transpiration stream.

用于切斷枝條-45迅速經過導管枝條所有葉片

More secondary phloem than secondary xylem in carrot Parenchyma predominates in vascular tissues .

胡蘿卜根薄壁細胞維管組織主導地位次生韌皮部次生發達

The study of the stem's secondary xylem of Rhus chinensis Mill reveals that perforation plate is simple perforation plate.

鹽膚木進行木材解剖學研究發現導管分子穿孔穿孔

Observation and Study of Vessel Elements of Secondary Xylem in.

次生導管分子觀察研究

The broad-leaved wood is mainly composed of vessel, wood fiber, axial parenchyma and xylem ray. The structure is complicated.

闊葉樹主要導管纖維軸向薄壁組織射線組成構造復雜

Tannin, phenol and flavone contents in the xylem showed no significant correlation with the damaged trees rate.

單寧含量存在相關關系

On the evolution of secondary xylem and its significance in plant phylogeny.

次生進化植物系統發育關系

Bicollateral bundle The arrangement of tissues in the vascular bundles in which the phloem is situated on both sides of the xylem.

初生外方初生韌皮部分布一種管束排列方式

The secondary xylem of trees and shrubs, lying beneath the bark and consisting largely of cellulose and lignin.

位于樹皮灌木主要纖維構成

Result The active component content in phloem was the highest, while, successively, in pith and in xylem.

結果大黃活性成分含量韌皮部最高次之最低

The phloem, not the xylem, is the supplier of water to flowers and certain other organs.

韌皮部不是供應商花卉其他一些器官

The positive xylem pressure, often occurs with low transpiration rate, is termed as root pressure.

植物蒸騰情況水分處于狀態這種壓力

Both xylem and phloem form a continuous branched system in the whole plant body.

韌皮部植物體內構成一個連續分支系統詳細

Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.

初生成分最早形成形成

Using 6-BA improved the xylem sap exudation rate in root stress, maybe this had some connection with the increase of leaves transpiration.

6-BA處理明顯緩解低溫流速限制可能地上葉片蒸騰作用提高有關

The cell fiber changing xylem, are also especial much. and metaphloem are also especial good.

羅布麻纖維細胞強度特別韌性特別

Result: The phellem, phloem and xylem of wild bupleurum scorzonerifolium are different from those in the pharmacopoeia .

結果野生柴胡木栓層韌皮部顯微特征藥典記載有所不同

A root- like structure lacking conductive tissues ( xylem and phloem ) .

輸導組織韌皮部結構

It is a key feature in the movement of water through the xylem and through the finer pores of the soil.

毛細現象水份沿土壤空隙運輸重要特征

Lignified tissues include SCLERENCHYMA and XYLEM.

質素組織包括組織

MethodsThe vessel elements in stem of Sophora japonica were observed by duct of stem's secondary xylem under biomicroscope.

方法枝條材料次生導管分子進行觀察

The vascular cambium is located between the xylem and the phloem.

形成位于木韌之間

Results There are compound vascular bundles in the xylem of the root of Euphorbia ebracteolata which are distributed as homocentric circles.

結果存在復合管束同心環狀排列