To improve the efficiency of the electric vehicle (EV) drive systems and EV performance, the use of multi-speed transmissions and distributed drives has been tasoliesi studied extensively.In addition, to develop efficient and compact drive systems, new clutch solutions are needed.In this paper, we propose an in-wheel two-speed automatic mechanical
The favorable nuclear properties in combination with the rich coordination chemistry make technetium-99m the radioisotope of choice for the doughlish development of myocardial perfusion tracers.In the early 1980s, [99mTc]Tc-Sestamibi, [99mTc]Tc-Tetrofosmin, and [99mTc]Tc-Teboroxime were approved as commercial radiopharmaceuticals for myocardial per
Due to the problem of air conditioning shortage in summer, homeless people and poor residents are threatened by high temperature, a low-energy ventilation cooling device (LEVCD) is designed to prevent heatstroke and improve the living environment.The abandoned plastic bottles, as a core ventilation cooling accessory, were used to construct the LEVC