General Vacuum Electronics

The electron devices in which electrons do not collide with other particles or in which the collision probability is very small in the transport process can be theoretically regarded as general vacuum electron devices.General vacuum electron devices include micro-fabricated vacuum nano-electronic devices, which can work in atmosphere, and some soli

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TCM Fingerprint database: A digital approach to scientifically reflect the internal quality of traditional Chinese medicine

Background: Traditional Chinese medicine (TCM) has been used to prevent, treat and diagnose diseases for 5,000 years under the guidance of TCM theories.TCM fingerprinting technology, as the model of the quality control of AC-AC Mains Power Adaptor TCM, promotes the application of TCM all over the world.But how to realize the fast matching, retrieva

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