General Motors' modern Ecotec engine family first saw the light of day in 2000, when a 2.2-liter inline-four making 147 hp debuted for global use in the Opel Astra — the German brand was a GM ...

Abstract: A low-bit amplitude-phase control module is designed for high-precision of time modulation, which consists of a 1-bit attenuator and a 2-bit phase shifter. The attenuation dynamic range the ...

Abstract: Resonant tunneling diodes (RTDs) have been widely adopted to implement communication systems in the terahertz (THz) range. This study presents a package of the RTD for a THz receiver at the ...

We tested the hypothesis that patients with heart failure with preserved ejection fraction (HFpEF) would have greater muscle sympathetic nerve activity (MSNA) at rest and sympathetic reactivity during ...

College of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China Key Laboratory of Mining of Education for Mine Disaster Prevention and Control, ...

The turbocharged 2.0-liter LNF engine is a member of the second-generation of the Ecotec engine family, which traces its roots to four-cylinders designed by Opel and Saab. Its line of successors ...