In order to access remote reserve areas, some U.S.coal mines have to maintain aged underground entries for a great distance.However, high humidity, warm temperature, and time dependent Buckle deterioration can cause progressive roof deterioration and unexpected roof falls, and pose a great challenge to ground control engineers.With an active belt s
Smoothing and sharpening are two fundamental image processing operations.The latter is usually related to the former through the unsharp masking algorithm.In this paper, we develop a new type of filter which performs smoothing or sharpening via a tuning parameter.The development of the new filter is based on (1) a new Laplacian-based filter formula
Judith Lammers,1 Sweder JG van Wijnbergen,2 Daan Willebrands3 1Academic Medical Center, 2Faculty of Economics and Business, University of Amsterdam, 3Atradius ROCK ROSE Credit Insurance, Amsterdam, The Netherlands Background: This paper analyzes how different types of Human immunodeficiency virus (HIV) knowledge influences condom use across the sex
Abstract Background Significant sex differences exist in hearing physiology, while few human studies have investigated sex differences in noise-induced hearing loss (NIHL), and the sex bias in previous studies resulted in inadequate female data.The study aims to investigate sex differences in the characteristics of NIHL to provide insight into sex-