So study the characteristic of the non-uniform surface energy flux in the urban amd draw the regional distribution map of the energy flux surface, have important meanings.
研究城市非均匀地表能量通量的特征，绘制地表显热及潜热通量的区域分布图，对构筑绿色宜居城市具有重要的意义。
Meanwhile, the heat sink's heat-flux surface temperature variation curve with the fan power changes at different radiator temperature are given by the experiments of the two air cooling systems.
对两套风冷系统进行了实验研究，给出了不同辐射器温度下散热器热流面温度及电池输出特性随风扇功率的变化曲线；
Flux looks quite different in the plane and in space because, in the plane, it is just another kind of line integral, while in space it is a surface integral.
平面中的通量和空间中的通量有很大区别，在平面中，通量仅仅是线积分的另一种形式，而在空间中，它表现为曲面积分。
In the three-dimensional space, flux will be measured through a surface.
在三维空间中，通量由流体所通过的表面来度量。
Flux is going to be zero because nothing passes through the surface.
通量之所以为零，是因为根本没有东西通过曲面。
So, the divergence theorem gives us a way to compute the flux of a vector field for a closed surface.
散度定理为我们提供了一种，计算向量场通过闭曲面的通量的方法。
What it says on each small flat piece — it says that the line integral along say, for example, this curve is equal to the flux of a curl through this tiny piece of surface.
它可以对任一个小平面使用-，比如说对于这条曲线的线积分，等于通过这个曲面的旋度通量。
There are two choices. Basically, whenever you want to set up a flux integral you have to choose one side of the surface.
有两种选择，当你要建立通量的积分时,就必须取定曲面的正向。
Now, if we are in space then you take flux for a surface, not for a curve.
如果是在空间中，考虑的就是曲面，而非曲线。
Let's say that we want to find the flux of the electric field out of a closed surface.
我们想要找出，电场对于一个封闭曲面向外的通量。
Actually, what that would say, and we are going to see more about that so not very important right now, but what we would see is that for a close surface we would end up getting zero for the flux.
也就是这样了，现在来看点没那么重要的东西，对于一个封闭的曲面，如果通量为零。
In particular, an easy case where you know you can get away without computing anything is, of course, if your vector field is tangent to the surface because then you know that there is no flux.
特别地，有一种简单的情况，是不用计算的，当向量场与曲面相切，没有通量。
S if we have a closed surface with a normal vector pointing outwards, and we want to find a flux integral for it, well, we can replace that with a triple integral.
的法向量似乎是指向外部。，And, the,normal, vector, to,s, seems, to, be, pointing, out wards, everywhere。，如果我们有一个法向量指向外部的封闭曲面，并且我们要求出它的一个通量积分，那么我们可以用一个三重积分来代替这个通量积分。
Remember, we've been describing, flux means how much fluid is passing through this surface.
注意，我们一直在描述，通量就是流过曲面的流体的量。
Whenever you do a surface integral for flux you have two parts of the story.
每当做通量的曲面积分时，你要做两件事。
Or, if you have a surface that is not like closed or anything but maybe you will want the flux going up through the region.
或者说，有一个不封闭的曲面,习惯上你会倾向于让通量向上通过这个区域。
But, also, if you sum the flux through the surface of each little piece, well, you will see that you will be integrating twice over each of these vertical cuts.
如果对这些小块表面通量求和，就会看到，这些垂直切口积分了两次。
In the sun's case, magnetic energy forces a flux rope tens of thousands of kilometers upward from the surface.
从太阳方面看，磁能迫使通量绳上升到地表数万米之上。
The heat flux generated in grinding is utilized to induce martensitic phase transformation in the surface layers of components, such as that achieved by other surface strengthening processes.
磨削淬火技术是利用磨削热对工件表面进行热处理，使工件表层发生马氏体相变，达到与表面强化处理一样的性能。
A ventilated ionization surface can increase the cesium flux, avoid the formation of stagnant region and reduce the pollution.
透气的电离表面增加了铯蒸汽的流量，避免了流动缓慢区的形成，并减少了污染。
The test result also verifies the reasonable value of surface flux calculation, the conclusion can detect error in observed data.
试验结果也证实了表面通量计算的合理性，其结论可用于对实测资料进行误差检测。
The relationship between the ion energy flux colliding on the material surface and the plasma density is investigated.
研究了射频鞘层中离子轰击材料表面的能量通量与等离子体浓度之间的关系。
This model considers free surface boundary, flux boundary, horizontal flow barrier, well boundary, non-linear characteristics of soils and dynamic change of permeability coefficient with stress state.
该模型考虑了自由面边界、流量边界、基坑围护连续墙、井边界、土体非线性特性、土的渗透性随应力状态的变化。
The parameterization for the soil heat flux and the surface drag coefficient are discussed, and the more perfect method needs to combine further with measure experiments.
对土壤热通量的参数化方法和拖曳系数的取值问题进行了讨论，更完善的方法还有待于与实验测量工作相结合。
Based on the radio frequency sheath model, the equations for ion velocity, density, and energy flux colliding on the material surface are derived.
在射频鞘层模型基础上，推出了离子轰击材料表面的速度、浓度及能量通量的表达式。
It 'mainly concludes these characteristic parameters, such as visual, dryness, ion contamination, welding flux residual, surface insulation resistance and electric migration et al.
这些参数主要包括：外观、干燥度、离子污染、助焊剂残留、表面绝缘电阻和电迁移等。
The heat flux to slab surface of a walking beam reheating furnace along length of the furnace is computed, and total heat exchange factor is also calculated.
以某轧钢厂的一台步进梁式加热炉为例，计算了钢坯表面热流沿炉长方向的分布，并反算求解总括热吸收率。
Emittance and irradiance are meaningful measurements of flux at a specific surface.
发射强度和辐照强度只有对一定表面上通量的量度才是有意义的。
Emittance and irradiance are meaningful measurements of flux at a specific surface.
发射强度和辐照强度只有对一定表面上通量的量度才是有意义的。
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