This investigation shows that if an LED Emergency KITS acoustic metamaterial bounded by an external rectangle and an internal circular cavity is properly engineered by a set of transformation equations that satisfy certain requirements, it can virtually cloak an object against incoming acoustic waves in one ONESIE direction and make an incoming wav

Facial micro-expressions can reveal a person’s actual mental state and emotions.Therefore, it has crucial applications Mirror Hardware in many fields, such as lie detection, clinical medicine, and defense security.However, conventional methods have extracted features on designed facial regions to recognize micro-expressions, failing to effec

Xuan-xuan Li,1 Si Shi,2 Lan Rong,1 Mei-qing Feng,2 Liang Zhong1 1Department of Digestive Diseases, Huashan Hospital Affiliated to Fudan University, Shanghai, China; 2School of Pharmacy, Fudan University, Shanghai, China Background: The prevalence of Helicobacter pylori has long been a global health issue.Triple therapy, being the first-line treatme

Abstract Background The right sampling of homologous sequences for phylogenetic or molecular evolution analyses is a crucial step, the quality of which can have a significant impact on the final interpretation of the study.There is no single way for constructing datasets suitable for phylogenetic analysis, because this task intimately depends on th