From the basic formula of coulomb force and ampere force, together with the concept of electric stress tensor, the mathematic formula of electric force and magnetic force is deduced in this article.

The electric field lines coordinate method was employed to simulate the distributions of electric field, potential, charge density and Coulomb force exerted on the fluid in the wire-plane electrode system numerically.

文中利用场线坐标法对线&板电极系统的电场、电位及电荷密度的分布进行了数值模拟，得到了场域空间流体所受电场力的分布情况。

The discharge models of the localized states are given based on the experimental results. It is shown that there exist repulsive Coulomb force and attractive Lorentz force among filaments.

实验结果表明，放电丝之间存在着库仑排斥力与洛仑兹吸引力。

The Coulomb force acting on the free line charge due to the piezoelectricity and the distributed boundary polarization charges was discussed at first.

首先分析的是因压电性和边界极化电荷所引起的作用在自由电荷上的Coulomb力。

We can use the Coulomb force law to explain this where we can describe the force as a function of r.

我们用库伦定律解释它，力作为距离r的函数，让我们考虑一下。

So, remember when we talk about Coulomb force, what's holding the nucleus and the electron together, there's2 things we need to think about.

还记得我们在讨论库仑力的时候，提到是什么将原子核与电子束缚在一起时，有两点需要考虑。

We know what an electric field is, it's just a space through which a Coulomb force operates.

我们知道，电场不过，是库仑力的作用空间。

A semi-classical analysis on the reaction~ ( 12) c+~ ( 209) bi at bombarding energies slightly above the Coulomb barrier

能量稍高于库仑位垒的~（12）C+~（209）Bi反应的半经典分析

Because of the coulomb barrier, only the long life-time nuclear energy level has the chance to be in resonance with the lattice-confined ion.

由于库仑位垒的作用，只有那些长寿命的核内能级才能与晶格内的离子能级发生共振。

The isospin dependent quantum molecular dynamics model has been further developed by considering shell effect and the fusion mechanism near Coulomb barrier is studied by using the improved model.

通过考虑动力学中的壳效应，对同位旋相关的量子分子动力学模型做了进一步改进，并利用改进的量子分子动力学模型对近垒熔合机制做了动力学研究。

Dynamic Study of Fusion Reactions for~ ( 40, 48) Ca+~ ( 90, 96) Zr around Coulomb Barrier

~（40,48）Ca+~（90,96）Zr近垒熔合反应的动力学研究

The shell effect in sequential fission induced by~ ( 238) u with energy just above Coulomb barrier

稍高于库仑位垒的~（238）U束引起跟随裂变反应中的壳效应

just to break through the Coulomb barrier.

才能超过库仑势垒

Study on Dynamics of the Fusion Mechanism near Coulomb Barrier

近垒熔合机制的动力学研究

A kind of higher precision, finer property, lower cost and multifunctional accurate Coulomb meter has been provided, both the operation principle of the circuitry and the significant in the circuitry design are introduced in detail.

介绍一种精度高、性能好、功能多、成本低的多功能精密库仑仪，介绍电路工作原理和制作要点。

Multiple comparisons suggested that cotyledon with petiole or 1/ 4 piece of cotyledonary laminae from 7 days old aseptic seedling had much higher shoot regeneration frequency, reaching to over 90%.

多重比较结果表明，以7d苗龄无菌苗的带柄子叶或1/4子叶片为外植体较好，出芽率较高，达90%以上。

Among cotyledon, petiole of cotyledon, hypocotyl, and radicle, hypocotyl has the most responsive explants to2,4-D.

在子叶、叶柄、胚轴以及胚根四者当中，下胚轴对2,4-D的反应状况最好。

Morphologic characters of the seedlings from 20 species of Magnoliaceae were described, and some specimens were made and index which based on the morphologic characteristics such as length of cotyledon petiole, cotyledons folder in endosperm and leaf blade's fold mode in shoot was compiled.

描述了20种木兰科常用绿化植物幼苗，基于子叶柄的长度、子叶在胚乳中折叠方式和幼叶在芽中卷叠方式等特征，编制了分属检索表，并制作标本。

The effects of factors such as infection time of Agrobacterium, hormone proportions in pre-culture medium and differentiation medium on regeneration of Cotyledon petiole explants of Sichuan Yellow, Purple-leaf Mustard and their near-isogenic lines aseptic seedling were studied.

本研究以芥菜型油菜紫叶芥、四川黄籽及其近等基因系无菌苗的子叶柄为外植体，研究了农杆菌感染时间、预培养基和分化培养基中激素配比等对子叶柄再生的影响。

The experiment results indicated that cellulase activity in abscission zone from petiole of bean and cotyledon petiole of cotton was increased after treatment of GA_3, but it was inhibited by IAA.

这与GA3促进菜豆叶柄和棉苗子叶柄外植体的脱落、IAA延迟脱落的效应成正相关。

Differentiation rate of somatic embryo is 35.3% in cotyledon petiole explant, and 6.0% in terminal bud.

子叶柄的不定胚分化率为35.3%，顶芽为6.0%。