论深热带对流的机械有效性。
模型的控制方程不仅如通常那样包含对流项和传导项，还包含许多文献中常被忽略的热机械弥散项。
The governing equation of our model contains not only the convection and conduction terms, as usual, but also the heat dispersion term, which is neglected la many papers.
高速泵是一种特殊的离心泵，它的出现对流体输送机械设计人员提出了新的要求和挑战。
High-speed pump belongs to a specific centrifugal pump, and its appearance has put forward new requests and challenges for those designers.
环境适应能力强，可以抗机械损伤，对流体净水压力有很好的抵抗力，同时对细菌、霉菌和化学腐蚀等具有很强的抵抗能力。
Easily ADAPTS itself to the environment. Good resistance upon mechanical damage. Good resistance to the liquid pressure. Strong resistance to bacterium, mildew and other chemical corrosion.
如果是受到机械式的搅拌或者是密度梯度发生了变化而使得管中有大量的分层的气体，那么传递就主要通过强制对流或自然对流而发生。
If there is a bulk mixing of the layers of gas in the tube by mechanical stirring or because of a density gradient, mass transfer occurs primarily by the mechanism of forced or natural convection.
在进行机械排烟时还应考虑风机对流场的扰动、补风口位置的影响。
The effect of the turbulence of the fan convection field and the pos…
在进行机械排烟时还应考虑风机对流场的扰动、补风口位置的影响。
The effect of the turbulence of the fan convection field and the position of the wind compen…
这就证实了一些人认为的对流层机械波并不是一个对色球和日冕的有效加热机制的说法。
This confirms the idea that the mechanical waves generated from the convection zone are not very effective in heating the chromosphere and corona.
这就证实了一些人认为的对流层机械波并不是一个对色球和日冕的有效加热机制的说法。
This confirms the idea that the mechanical waves generated from the convection zone are not very effective in heating the chromosphere and corona.
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