BMJ

Place and causes of acute cardiovascular mortality during the COVID-19 pandemic

Objective To describe the place and causes of acute cardiovascular death during the COVID-19 pandemic. Methods Retrospective cohort of adult (age ≥18 years) acute cardiovascular deaths (n=5 87 225) in ...
IEEE

Distributed Optimal Formation Control of Multiple Unmanned Surface Vehicles With Stackelberg Differential Graphical Game

Abstract: In this work, a cooperative formation control methodology is proposed for multiple six-degree-of-freedom (six-DoF) unmanned surface vehicles (USVs) subject to input saturation. Our method ...
IEEE

Performance Optimization of a Double-Stage 26 GHz Low-Noise Amplifier Using Modified Derivative Superposition and Post-Linearization

This paper presents linearization techniques for a two-stage, single-ended (SE) 26 GHz low-noise amplifier (LNA) with an enhanced output matching network, implemented in 90 nm technology for 5G ...
C&EN

Thermodynamic Characterization of Polymorphs in Bulk-Crystallized Syndiotactic Polystyrene via Small/Wide-Angle X-ray Scattering and Differential Scanning Calorimetry

‡ Institute of Materials Science and Engineering, National Sun Yat-sen University, Kaohsiung 824, Taiwan § Department of Materials Science and Engineering, National Dong Hwa University, Hualien 974, ...