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
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
英英解釋
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.
是位于樹干中部的硬質區域,由已不涉及水分傳輸的木質部導管構成。
Procedurally , xylem pressure potentials can be measured by cutting a stem from a plant and placing it in a pressure bomb apparatus.
程序,木質部壓力潛力可以通過削減源于植物和安置它測量在取樣壓力計用具。
Out of the xylem, there is lot of fiber and the tannin crystal distributes around the air cavity.
葉脈中厚壁組織發達,木質部外纖維數量眾多,在氣腔周圍有單寧結晶分布。
The recently developed xylem-pressure probe technique is the only means to directly measure negative pressure in xylem conduits.
此外,木質部壓力探針技術是目前唯一可以直接測定導管或管胞中負壓的工具。
According above, diagram of a hypothetical pathway during secondary xylem differentiation was raised.
進而由這些結果提出了木質部細胞分化機理的大致模型。
Such thickening allows extension of the XYLEM between the rings so that it is not ruptured as the surrounding tissues grow.
這樣的加厚允許木質部在環間沿展,當周圍組織生長時,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.
的分布情況如羽片顯示,有很大的能力,在木質部運輸船只和木質部,以葉肉。
The early formed secondary xylem was characterized by a large number of wood fiber cells with non woody cell wall.
早期生成的次生木質部以細胞壁尚未木質化的木纖維細胞數量居多為特征。
In older stems, only the most recent rings of xylem participate in the transport of materials. These make up the sapwood.
在老莖中,僅最新的木質部環參與物質的運輸。這些木質部環組成邊材。
The xylem sap of bottle gourd No. 3 as rootstock was the best one to promote grafting seedling of cucumber to grow significantly.
華瓠雜3號做砧木的嫁接苗傷流液對黃瓜苗的生長有明顯的促進作用;
A system confined to the transport of mineral elements is known as the xylem.
專門用來運輸礦物元素的系統稱為木質部。
Actinostele A type of protostele in which the xylem is star shaped and the phloem lies between the points of the star.
原生中柱的一種類型。木質部是星形的,韌皮部位于星形之間。
Where they occur interspersed with the xylem they may be distinguished from tracheids by their narrower lumen.
纖維分布與木質部相似,其狹窄的腔可與管胞區分開來。更詳細。
Summertime bud grafting can be cut take shoot piece, or take xylem shoot less piece, in stock bine dry place decorticates.
夏季芽接可削取芽片,或少帶木質部芽片,在砧木莖干處剝皮。
Herb refers to xylem not developed careless qualitative or meat, and the ground of stem blight was mostly in part of the plant body.
草本是指具有木質部不甚發達的草質或肉質的莖,而其地上部分大都于當年枯萎的植物體。
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和顯微照相的方法對陽桃次生木質部導管分子進行了觀察研究。
The xylem of the root is tetrarch, lateral root initiate the in metaxylem radiating angle opposite to pericycle cell.
根木質部為四原型,側根發生于木質部放射角所對的中柱鞘細胞;
Shoot-applied 45Ca was rapidly translocated to all leaves of excised shoots through the xylem transpiration stream.
施用于切斷枝條之斷端之鈣-45迅速的經過導管之蒸散流運移至枝條上所有的葉片。
More secondary phloem than secondary xylem in carrot Parenchyma predominates in vascular tissues .
在胡蘿卜根,薄壁細胞在維管組織中占主導地位,次生韌皮部比次生木質部更發達。
The study of the stem's secondary xylem of Rhus chinensis Mill reveals that perforation plate is simple perforation plate.
對鹽膚木莖進行木材解剖學研究,發現其導管分子穿孔板為單穿孔板。
Observation and Study of Vessel Elements of Secondary Xylem in.
次生木質部導管分子觀察研究。
The broad-leaved wood is mainly composed of vessel, wood fiber, axial parenchyma and xylem ray. The structure is complicated.
闊葉樹材主要由導管、木纖維、軸向薄壁組織、木射線等組成,構造較復雜。
Tannin, phenol and flavone contents in the xylem showed no significant correlation with the damaged trees rate.
木質部中的單寧、黃酮及總酚含量與被害株率也不存在相關關系。
On the evolution of secondary xylem and its significance in plant phylogeny.
次生木質部的進化與植物系統發育的關系。
Bicollateral bundle The arrangement of tissues in the vascular bundles in which the phloem is situated on both sides of the xylem.
是初生木質部的內,外方都有初生韌皮部分布的一種維管束排列方式。
The secondary xylem of trees and shrubs, lying beneath the bark and consisting largely of cellulose and lignin.
位于樹皮下的樹和灌木的次木質部,主要由纖維質和木質構成
Result The active component content in phloem was the highest, while, successively, in pith and in xylem.
結果大黃中的活性成分含量以韌皮部最高,髓部次之,木質部最低。
The phloem, not the xylem, is the supplier of water to flowers and certain other organs.
韌皮部,而不是木質部,是供應商的水花卉和其他一些器官。
The positive xylem pressure, often occurs with low transpiration rate, is termed as root pressure.
在植物弱蒸騰情況下,木質部的水分處于正壓狀態,這種壓力叫根壓。
Both xylem and phloem form a continuous branched system in the whole plant body.
木質部和韌皮部在植物體內構成一個連續的分支系統。更詳細。
Protoxylem The PRIMARY XYLEM elements that are formed from the procambium first.
初生木質部的成分,最早由原形成層形成。
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處理也明顯緩解了根際低溫對木質液流速的限制,這可能和地上部葉片蒸騰作用的提高有關。
The cell fiber changing xylem, are also especial much. and metaphloem are also especial good.
羅布麻的纖維細胞木質化強度也特別高,韌性特別好。
Result: The phellem, phloem and xylem of wild bupleurum scorzonerifolium are different from those in the pharmacopoeia .
結果:野生狹葉柴胡的木栓層,韌皮部,木質部的顯微特征均于藥典上的記載有所不同。
A root- like structure lacking conductive tissues ( xylem and phloem ) .
無輸導組織(木質部和韌皮部)的根狀結構。
It is a key feature in the movement of water through the xylem and through the finer pores of the soil.
毛細現象是水份沿木質部和土壤空隙運輸的重要特征。
Lignified tissues include SCLERENCHYMA and XYLEM.
木質素組織包括厚壁組織和木質部。
MethodsThe vessel elements in stem of Sophora japonica were observed by duct of stem's secondary xylem under biomicroscope.
方法以一年生枝條為材料,對國槐次生木質部中的導管分子進行了觀察。
The vascular cambium is located between the xylem and the phloem.
維管形成層位于木韌之間。
Results There are compound vascular bundles in the xylem of the root of Euphorbia ebracteolata which are distributed as homocentric circles.
結果:月腺大戟根木質部中存在復合維管束,略呈同心環狀排列。