The force line and potential gradient equation are deduced.
同时推导出其电力线方程和电位线方程。
The electric field intensity distribution was acquired through potential gradient.
再通过电位梯度求得电场强度分布。
The reason is that it is under the effect of matrix potential gradient in stead of moisture content gradient.
其原因是土壤水运动是在相应的基质势梯度作用下发生的，而并不需要对应的含水量梯度。
The plasma potential gradient across the grid and the hot-filament draws ions from the plasma towards the filaments.
等离子体的电位梯度跨越栅极，热灯丝将从等子体中抽取的离子超向灯丝。
Affected by hydraulic potential gradient, the unsaturated soil water in the furrow soil may supply laterally the ridge soil of adjacent furrow.
受水势梯度的影响，犁沟内非饱和水可以侧向补给相邻畦埂的土壤。
When the direction of the magnetic field strength gradient and the direction of the chemical potential gradient is identical, the effect of the mass transfer is best.
并指出当外加磁场感应强度梯度的方向和化学势梯度的方向一致时，传质效果最好。
Tests reveal that the bottom of the reinforcement cage corresponds to the minimum of the electric potential gradient curve and the inflexion of the electric potential curve.
根据充电法原理，结合模型桩试验，分析了钢筋笼周围的充电电场特征，结果表明钢筋笼的底端对应于电位梯度曲线的极小值点及电位曲线的拐点。
The effects of direction, strength of interferential electric field, as well as the arranged space between steel electrodes on measured potential gradient were investigated.
实验研究干扰电场方向、强度和钢电极间距等对测量电位梯度的影响。
Active transport The use of energy to move a solute across a membrane against a concentration gradient, a potential gradient, or both (electrochemical potential) . Uphill transport.
主动吸收：亦称代谢吸收。指细胞直接利用能量做功，逆着电化学势梯度吸收离子的过程。
The equation shows that the potential depends on the chemical potential gradient of the active ions in the occluded pitting and partial potential drop corresponding to the same ions.
此式表明，蚀坑内的电压取决于蚀坑内各类活性腐蚀因子的化学势梯度和相应粒子的电压降。
For example, the electric field or gravitational field is given by the gradient of the gravitational or electric potential.
例如由重力势梯度给出的重力场，或由电势梯度给出的电场。
OK, so that's the general method of calculation, but we've seen a shortcut for work when we can show that the field is the gradient of potential.
这就是计算的一般方法，但求功的时候，如果向量场是某个势的梯度,是有捷径可走的。
So, actually on Tuesday we'll see how to decide whether a vector field is a gradient or not, and if it is a gradient, how to find the potential function.
周二我们就知道，怎样确定一个场是不是梯度，如果确实是梯度的话，怎样算出势函数。
If we have a vector field that cannot possibly be a gradient then we shouldn't try to look for a potential.
如果一个向量场不可能是梯度场，那我们就不应该尝试去找势函数。
So, it's a force field is the gradient of a potential so, I'll still keep my plus signs.
有一个力场，它是某种势的梯度，我们还是保持正号。
In this paper the transmission of paraxial light beams was analyzed based on the gradient vector potential of electromagnetic field.
本文运用电磁场的梯度矢势分析了一般情况下傍轴光束的衍射传输问题。
So essentially, they regulate this action potential, and they do so by helping to establish and then control the voltage gradient within the cells.
总之本质上，它们负责调节动作电位，它们做到这一点通过协助制造，并控制细胞内的电位梯度。
Finally, the influence of orbital errors and potential coefficient errors on the gravity gradient measurements are conversely found out.
最后，反求轨道误差和位系数误差对重力梯度测量值的影响。
It is found out that: the potential field is motional, and the motional rate is related with the temperature gradient in the field.
我们发现：这种电势场是运动的，运动速率与其所在区域的温度梯度的变化率有关。
Water potential reflects energy level of soil water and the gradient of water potential is an impotent factor describing direction and velocity of water flow.
水势反映土壤水的能态，而水势梯度则是决定水流方向和速度的重要因素。
This algorithm has combined the gradient mapping of binary edge image and the potential distribution of people's facial characteristics.
该算法将二值边缘图像的梯度映射和人的面部特征的潜在分布规律相结合。
Firstly, a gradient operator based on local standard deviation is performed and potential edge regions are well separated.
首先提出了一种基于标准差的梯度算子，将图像中潜在的边缘区域很好地区分出来；
During the impurity radiation, the density perturbation driven by density gradient couples with the temperature one and then affects the electrostatic potential one.
电子密度梯度直接影响密度涨落，并通过杂质辐射与温度涨落相互耦合，进而影响静电势涨落。
The potential devevelopment trends in the field of(gradient) copolymer were pointed out.
指出了梯度共聚物可能的研究方向。
The keystone is whether or not there is unique potential field in which the stresses (strains) or their increments are its gradient vectors.
指出了其基本的问题是其中应力(应变)或者其增量是否为一有势场的梯度矢量。
Gravity gradient is the second order derivative of gravitational potential, which can be observed by satellite gradiometer.
重力梯度为重力位的二阶导数，可以通过星载梯度仪进行观测。
This indicates that there is more profound physical meaning of the gradient vector potential of electromagnetic field.
因此，它表明电磁场的梯度矢势具有更明显的物理意义。
The SLM technique has a great potential in manufacturing density gradient parts.
本文采用的SLM技术在密度梯度零件制造中具有很大的潜力。
The normalized full gradient and phase of gravity anomalies have been studied by potential field conversion and fast Fourier transform in wave-number domain.
用波数域的位场转换和快速傅立叶变换理论研究重力归一化总梯度和归一化相位；
The conservative force and the gradient of the potential energy are dual vectors.
保守力与势能梯度互为对偶矢量。
应用推荐