查询词典 xylem

It is normally formed from the secondary xylem and thus found in plants that show secondary thickening, namely the conifers, Gnetum and dicotyledons.

木材丛次生木质部中形成，因此只有在进行次生加厚的植物中才具有，如：松类、 Gnetum 和双子叶植物。

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.

维管形成层：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。

The interfascicular cambium and INTRAFASCICULAR CAMBIUM link into a complete cambium cylinder that cuts off secondary xylem tissue to the inside, secondary phloem tissue to the outside, and parenchyma cells both sides.

束间形成层和束中形成层组成一个完整的形成层环。形成层以内为次生木质部，形成层以外是次生韧皮部。薄壁组织细胞形成维管射线。

Intrafascicular CAMBIUM between xylem and phloem. Apical initials are rarely single cells except in certain lower plants, and initiate more than one structure, e.g.

这种细胞存在于根和芽的顶端分生组织以及在原来分裂组织基础上形成的侧生分生组织，如位于木质部和韧皮部之间的束中形成层。

The water content of external layer of root xylem of Kalidium foliatum is highest. In the range of root diameter from 0.3cm to 0.5cm,the most roots diameter are between 0.3cm and 0.5cm.

盐爪爪根的皮层含水量在径级为0.3－0.5cm范围内最高，大于0.5cm含水量反呈下降，而盐节木根径级在0.5－0.6cm范围内皮层和木质部含水量均最高，这可能是盐爪爪和盐节木根系径级分别多集中在0.3－0.5cm和0.5－0.6范围内的原因之一。

Larva broods first, first eat by moth feeds bark, eat by moth enters xylem after Feburary, principle of eat by moth is general up; Mature larva spits a kind of limy material to make room pupate before pupate.

初孵幼虫，先蛀食树皮，2月以后蛀入木质部，蛀道一般向上；成熟幼虫在化蛹前吐出一种石灰质的物质作室化蛹。

Gnetophyta A phylum of gymnosperms with compound cones, cells in the secondary xylem almost identical to angiosperm vessels, and the tendency for the tip of the nucellus to be drawn out into a micropylar tube; there are no resin canals.

买麻藤门：是裸子植物具复合球果的一纲。

Uriede-N in the xylem sap of nodulated soybean has been positively correlated with N2 fixation activity of nodules (Herridge 1984).?

结瘤大豆木质部汁液中酰脲-N与根瘤固氮活性具正相关(Herridge 1984)。

Abstracts:Ash beech borer dies once a year.Its young worms decays drill in oleaceae ash plants of the genus phloem and xylem and makes the tree bark longitudinal crack or collapse and even cause trees death. and wither.

摘 要：白蜡窄吉丁虫在沈阳地区，主要以幼虫在木樨科梣属树木的韧皮部与木质部间钻蛀危害，使树皮纵裂或崩开，导致树木枯萎死亡。

One endophytic bacteria strain LP-5 which could significantly inhibit some phytopathogenic fungi was isolated from xylem of pear. According to morphology, physicochemical test, and analysis of the 16S rDNA sequence and specific amplified fragment, the strain was identified as Bacillus amyloliquefaciens.

从梨树木质部分离到1株具有强烈抑菌活性的内生细菌LP-5，通过形态观察、生理生化测定、16S rDNA序列分析及特异基因片段扩增，将其鉴定为解淀粉芽孢杆菌。

His female bullfighter Lydia gradually Health love, but she was in a vegetative state after the Bulls Zhuangcheng away from her, just because Lydia's ex-boyfriend showed more affectionate than he is like love.

他对女斗牛士莉迪亚渐生爱意，却在她被公牛撞成植物人后离她而去，仅仅因为莉迪亚的前男友表现出好似比他更深情的爱。

I know of none which are not easy to answer, but what I am trying to do now is only by a series of hints to throw some light on the narrow path of legal doctrine, and upon two pitfalls which, as it seems to me, lie perilously near to it.

我不认为有什么难以回答的问题，但我现在要做的仅仅是通过一系列线索，来给法律理论的狭窄路径以及在我看来离它近得危险的两个陷阱提供一些启示。