The power characteristic of wind turbine is introduced in this paper, then advantages and drawbacks of the three types of existing maximum wind power extraction algorithms are compared.

本文首先介绍了风轮机的功率特性，然后比较了三种现有的最大风能跟踪控制算法的优缺点。

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Specific researches are made to find the influence of microwave power, extraction time, alcohol thickness, rate of material and solution and extraction times on obtainment percentage and quality.

研究了微波功率、浸提时间、乙醇浓度、料液比、浸提次数对速溶茶得率和品质的影响。

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While a single wind-turbine does not affect the global atmosphere, the installation of a large number of such devices will interfere with the atmospheric circulation and diminish the extraction efficiency on the large scale, since any extraction of momentum will act in competition with natural wind-power energy dissipation by turbulence in the boundary layer.

FORBES: Researchers Warn Of Climatic Consequences To Harvesting Wind Energy On Mass Scale