This invention relates to an omni-directional vehicle with in-wheel motor, and more particularly, to an independent suspension steering system. The steering angle of mass production commercial vehicle is always between ±35°. When parking or turning in a compact room, it is not an easy work. For a.....
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Bone defect repair is popular yet a challenging orthopaedic surgery involving trauma, osteoporotic fracture, or osteonecrosis (ON). In the United States, steroid-associated ON alone affects approximately 20,000 new patients per year, whereas the prevalence of ON patients in China may be 5 or more ti.....
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Polymeric photovoltaic devices promise low-cost production of lightweight, flexible solar cells. Recent progress in polymeric solar cells, has led to higher power conversion efficiencies, and will be massively manufactured in near future. In organic/polymeric solar cells, the active layer usually .....
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