Protected: CNC Milling Machine
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Protected: Automatic storage and retrieval system (robotic storage)
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Protected: Automatic storage and retrieval system (robotic storage)
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Protected: Automatic storage and retrieval system (robotic storage)
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Protected: Acrylic laser cutting and engraving machine
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Protected: Ultimaker 3 3D Printer
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Protected: Acrylic laser cutting and engraving machine
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Nano-functionalized porous membrane filter for reusable face mask
The project aims to develop a reusable face mask filter using nanofiber technique to relieve the social and environmental burden caused by current one-time using face masks. The filter consists of electrospun nanofibers with much smaller diameters (e.g., nm level), which are much smaller than the commercial filter fibers (e.g., µm level). The developed nanofibrous filter has high air filtration efficiency without sacrificing the breathe comfortability, which can be attributed to its high porosity and improved physical structure. The filter design is also highly flexible to incorporated with other physicochemical methods for further improvement of the filter properties. An impressive feature of this invention is the reusability. Simple chemical washing can regenerate the exhausted filter for further reuse with maintained high air filtration performance.
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Fever screening using smartphones
Every day, millions of Hong Kongers use public transport to travel across the city. With the ongoing COVID-19 pandemic, public transport has the potential to spread the novel Coronavirus. This can be avoided if strict preventive measures are in place.
The solution to this is a non-intrusive, real time application that automates fever screening in public transport vehicles. This is made possible thanks to a mobile application that we are developing at HKU. We use a portable thermal camera and a mobile device to detect faces in a stream of thermal images, and then measure forehead temperatures. This can be done in real-time, and requires little to no manual intervention.
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