管束

Semi-thin sectioning and the method commonly referred in histochemistry were used to study the development of vascular bundles in Aloe arborescens leaves with emphasis on the origins and tissue types of vascular bundle sheath cells and aloin-containing cells.

采用半薄切片和组织化学方法研究了木立芦荟（Aloe arborescens）叶内维管束的发育过程，并着重于维管束鞘细胞和芦荟素细胞的来源及组织类型。

The results showed that potassium had good effects on formation of wheat stem-leaf thick-cornered tissue and vascular bundle.

结果表明，施钾后小麦茎秆茎叶厚角组织、组织层数增加，厚度和维管束的数量均上升，说明钾素有利于小麦茎秆、叶片厚角组织、维管束的形成与发育。

The vascular bundle consists of vascular bundle sheath, xylem, phloem and big parenchymatous cells.

维管束由维管束鞘、木质部、韧皮部和大型薄壁细胞组成。

Physical compulsion or restraint was effectual, of course, while it lasted.

当然, 体罚和管束在施行的当时还是有效的.

Preliminary investigation on the Chihu Lake aquatic vascular plants in Jiangxi Province.

江西赤湖水生维管束植物的初步调查.

Children always revolt against parental disciplines.

孩子们总是反抗父母的管束.

The results showed: cells rounded the procambium bundle differentiated into bundle sheath at the initial stage of procambium bundle developing into vascular bundle.

结果表明，在叶内原形成层束分化成维管束初期，原形成层束外侧的一层细胞发育成维管束鞘。

She was a harsh mother and imposed severe discipline on her children.

她是位严厉的母亲,用严格的纪律管束自己的孩子.

There are 16 bundles in calyx tube and 12 bundles in corolla tube, the calyx and corolla bundles are different in origin.

花萼筒具16条维管束，花冠筒具12条维管束，二者的维管束是独立发生的。

Mary spoiled both her children, then tried too late to rein them in.

玛丽惯坏了她的两个孩子，想要管束他们的时候已经来不及了。

Teachers exercise authority over their pupils.

教师经常管束学生.

Mark was withdrawn and uncontrollable.

马克沉默寡言，难以管束。

Her parents had kept her on a tight rein with their narrow and inflexible views.

她的父母观念狭隘而僵化，对她管束很严。

It'shows two well-developed sheaths around the vascular bundles.

它显示出两个发育完全之维管束鞘位于维管束周围.

By using corrugated pipe bundle instead of the bare pipe bundle with the same stiffness as its tube sheet, the axial thermal compensation can be increased by 40.4 percent, and the corresponding pulling-out force is 53.2 percent of that of the bare pipe bundle.

在光管管束与壳体等刚度条件下，用波节管管束代替光管管束，轴向热补偿量可提高404%，相应的拉脱力为光管管束的532%。

The children were left very much to themselves during the holidays.

孩子们在假期中的行动未受管束.

It'stretches from the leaf base to the vascular ring in the stem axis.

它由叶子基部的维管束延伸至茎轴的维管束.

She has all the glee of a little girl let loose in a sweetie shop.

她像糖果店里无人管束的小女孩那样兴高采烈。

A typical veinal vascular bundle was composed of a few vessels, sieve tubes and companion cells, and the vascular parenchyma cells with large nucleus, thick cell wall and cytoplasm, and many organelles, especially mitochondria, in a vascular bundle.

大维管束由数个导管、筛管及伴胞和维管束薄壁细胞组成，且其维管束薄壁细胞壁厚、核大、质浓，线粒体丰富。

The temperature regulator tube plate and steel tube beam work in the frequent change of temperature for a long time, their high alternating pressure make the tube plate's weld crack and tube beam leak.

减温器管板和钢管束长期工作在频繁变化的温度中，交变压力很大，造成管板焊缝处经常开裂，管束泄漏。

Each lobe contains two pollen sacs that produce very large quantities of small pollen grains.

左右两侧花粉囊之间是薄壁细胞构成的药隔,药隔中的维管束与花丝维管束相连.

He allows his children to run wild.

他听任孩子们乱跑乱闹,不加管束.

In order to study on the vibration test of working elastic bundle, a non-contact measurement method which based on high-speed photography imaging technology was adopted, and studied by combining theory research and experiment proving.

为了能够对工作状态下的弹性管束振动进行实验研究，本文采用基于高速摄像技术的非接触式振动测试方法，结合理论研究与实验验证，对基于高速摄像技术的弹性管束振动测试进行了研究。

That young lad is quite a handful, ie is lively and troublesome.

那个小伙子真难管束(活泼而淘气).

Their rambunctious son always got into trouble.

他们那个不受管束的儿子老是惹麻烦.

The bundles from the outer region enter the ovary wall, while those from the central region extend into the axile and become placental bundles which fade away gradually in prolongation.

前者的维管束进入子房壁，后者的维管束进入子房的中轴，形成胎座维管束。至延长部后，胎座维管束逐渐消失。

So you kicked over the traces.

这么说你也不受管束了.

Double shell side heat exchanger is put a longitudinal baffle in the shell of shell side.

双壳程换热器是在壳程筒体内设置一个纵向隔板,隔板穿过管束中心,将管束和壳程分为对称的两部分.

He took the bit in or between his teeth and acted against his parents'wishes.

他不受管束而且违背父母的意愿.

Now with Joy for company, she didn't pester him so much and he came home later.

近来,有小福子做伴儿, 她不甚管束他了,他就晚回来一些.