The technology described in this document provides an E-commerce transaction system and a transaction method for advancing a committed time in the future. Unlike conventional E-commerce transaction technologies, this novel technology allows the validation of the signature before the committed time. .....
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Raman scattering is the inelastic scattering of photons, and the device described here aims to provide a substrate for Raman scattering detection. The substrate comprises various nanostructures, and metal nanoparticles are arranged on top of the nanostructures. The arrangement of nanoparticles on a .....
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The Virus Cleaner is a system that can clean 95% of virus contaminated air using bleach water at an air flow of 20m/s. It was developed in 2003 during the SARS outbreak and was funded by a CERG grant. The system was tested in the Prince of Wales Hospital in 2004.The Virus Cleaner is ideal in clinics.....
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Modern lighting solutions such as LED arrays are safer and more efficient than gas discharge lamps, but their use is compromised by the fact that existing electrical infrastructure is not compatible with LED lighting. To solve the problem, the University has developed a system for emulating a gas di.....
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Volatile organic compounds (VOCs) emitted by furniture and homecare products could lead to sick building syndrome and physical ailments such as heart diseases, respiratory diseases, and cancers. Effective methods to purify air in built environments are therefore in great demand. The invention disclo.....
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