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Since the wind is random, intermittent and uncontrollable energy, conventional grid is difficult to adapt to the requirements of grid connected wind power. We can use inverter interface to improve quality and safety when wind power generation connected to grid. In this paper, a detailed study of the wind power on the series and parallel interface and topology, a detailed analysis the working principle...
Airlift loop reactors (ALRs) are important bioreactors for wastewater treatment. However, few studies have investigated the application of an ALR for simultaneous carbon and nutrient removal, especially for activated sludge systems. This study evaluated the performance of integrated nitrogen, phosphorus and COD removal in an ALR with a low height-to-diameter ratio in a limited filamentous bulking...
As a carrier of marketing, sport has been applied by many enterprises. This paper makes practical analysis on sport marketing for large-scale and middle sized enterprises with statistics investigation method. The results show that increasing gross incomes is the primary motive for enterprises to do sport marketing. The marketing cost is the important factor for promotion of sport marketing. Financial...
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