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In this paper, Implementation of an integrated 2–in–1 transformer applicable to power supply units (PSUs) for a 120W LED TV is presented. The transformer is comprised a PFC inductor and an LLC resonant transformer, each of which is placed and integrated on an E-I-E type magnetic core. Integrated transformers with two different air gap topologies (i.e., the side gap and center gap topologies) are considered...
The East Sea has very dynamic environmental conditions with respect to its physical phenomena and biological characteristics. In order to detect any longterm change in patterns of phytoplankton biomass and a longterm trend in phytoplankton spring bloom characteristics in the East Sea, recent decade chlorophyll-a data were obtained for the East Sea from NASA SeaWiFS and MODIS. We found that the average...
Using an Acoustic Doppler Velocimeter (ADV) to simultaneously measure the turbulent diffusivities and Suspended Sediment Concentrations (SSC) at one point in the water column provides an in-situ approach to measure the settling velocity of cohesive sediments. This approach does not alter the ambient turbulence, SSC, salinity and biological constituents that are the major factors affecting floc density...
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