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Casparian strip was frequently regarded as a specific structure of tracheophyta, which appeared as a lignified and suberized narrow zone encircling the radial and transverse walls of the endodermal cells.

凯氏带(Casparian strip or Casaprian band)是维管植物根内皮层的一种特有结构,其主要特征是在内皮层细胞的初生壁上,围绕细胞径向壁和横向壁的木质和栓质的带状结构。

The immature stage pointed to the development of SE before vacuole membrane was ruptured.In this stage,the cell radial expanding,cell wall incrassation,sieve element plastid and P-protein producing of SE occurred.

未成熟期是指筛管液泡膜破裂之前筛管的发育阶段,在这一时期内出现了细胞的径向扩展、壁的增厚以及筛管质体和P-蛋白质的产生。

Performance prediction of the pump when transporting water and salt solution is also studied.Results are compared and analyzed with experimental data.6.The salt-out flow field is measured on three dimensions by Particle Image Velocimemter via radial and axial two test models.After image processing, velocity distribution of crystal particles in the pump is obtained.Particle flow field is visualized to reveal the particle motion law intuitionally.

此外对泵送清水和盐溶液时的性能也进行了预测,并将结果与外特性试验数据对比。6、运用PIV在径向和轴向两种测量模式下对泵内不同外部条件下盐析两相流场进行了准三维测量,经图像后处理,获得了盐析晶体颗粒在叶轮内、无叶腔中及轴面上的速度矢量分布,实现了颗粒流场的可视化,更为直观地揭示了泵内盐析颗粒的运动规律。

A new solution is put forward for the irrecognizability of transformer stable state circuit equation model. Simulation and test indicate the method rational and effective.

电力变压器绕组变形是指在电动力和机械力的作用下,绕组的尺寸和形状发生不可逆的变化,包括轴向和径向尺寸的变化、器身位移、绕组扭曲、鼓包、匝间短路等。

An Ellipsoidal Basis Function can make the partition of input space and make a limitary and bounded.

椭球基函数(Ellipsoidal Basis Function,EBF)使网络划分输入空间成为封闭有界的局部作用的空间,与径向基函数(Radial Basis Function,RBF)神经网络的高斯函数相比,它对空间的划分更明确。

This magnetic arrangement along with the resulting radial currents from the Neodymium layer creates the roller's magnetomotive forces into motion at right angles to both the electric and magnetic vectors.

这磁性的安排与由此产生的径向水流从钕层创造了滚子的 magnetomotive部队运动成直角的电场,磁场载体。

Through solving the nondivergent inviscid linear vorticity equation in cylindrical coordination of barotropic atmosphere with WKBJ method, the authors point out that one kind of wave, named vortex Rossby wave, which is similar to planetary wave, exists in hurricane, its formation is due to the gradient of vertical vorticity component of basic state.

作者中文名:钟科;康建伟;余清平摘要:文中从柱坐标系下的正压无辐散涡度方程出发,用WKBJ方法求解方程,发现在飓风中存在类似于行星罗斯贝波的涡旋罗斯贝波,这种波的形成主要是由于飓风中基态涡度垂直分量的径向梯度所决定。

This paper gives the distribution of the Peynolds stresses, which shows that the flow near the wall at the exit is obviously nonisotropic and the maximal turbulence intensity is enough high to impact on the matching of the intake and the engine. The unsteady characteristics of the flow evince that the flow doesn't separate obviously.

出口截面上雷诺应力分布表明:该进气道出口流场主流方向的紊流强度较大,最大值已达8%以上,这给进/发匹配造成影响;正雷诺应力和剪切应力沿径向和周向的分布特点则说明进气道出口核心流区域流动基本是各向同性的,然而在近壁区却表现为明显的各向异性。

The radial force balance equation for the self-electric field and self- magnetic field of the relativistic electron beam is used to calculate the angular rotation frequency of the relativistic electron beam propagating through the cylindrical wave guide filled with nonneutral plasmas.

首先利用相对论电子束的自电场与自磁场所产生的径向力平衡方程,计算出相对论电子束在稳态非中性等离子体填充的柱状波导中传输的转动频率。

Nobody scrimped on the suspension and running gear, either: A radial-pump master cylinder provides the latest in braking feel and feedback.

没有人过着节俭的日子的悬挂和传动装置,或者:阿径向泵主缸提供了极大的制动感觉和反馈最新的。

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推荐网络例句

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?