Abstract: With the increasing use of distributed new energy grid connection and nonlinear loads in the power system, the problem of harmonic interference in the power grid has become increasingly ...

Abstract: In the literature of Economics, Engineering and Operations Research, the estimation of production frontiers is a current hot topic. Many parametric and nonparametric methodologies have been ...

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Today:Early fog in the far southwest clears quickly. Most areas stay dry with sunshine and variable cloud, though northern and northeastern regions may see isolated showers. Light winds overall, ...

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Declined by about 50%, primarily due to significantly reduced acquisition efficiency from abnormal cost-per-acquisition (CPA) ...

Google will need to address several Pixel Watch flaws before it can convince me to upgrade ...

AI predicts 2026 World Cup favorites and maps all 48 teams to S&P 500 stocks (e.g., France=Microsoft, Spain=Nvidia) in a fun ...

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Fell to 43%, down approximately 410 basis points from the prior year; decrease stems mainly from cost deleverage, royalty ...