Introduction to fingerprint recognition principle

Want to know the principle of the fingerprint access control system ? Let me tell you.
Professor Bo Taichai of the University of Paris, France, classifies the details of fingerprints into four categories: starting point, ending point, difference, and combinati.......

China's lighting industry is facing new changes


China's lighting industry started from the early 1980s. After 30 years of rapid, stable and sustainable development, it has grown from a small industry with an initial annual production value of less than 10 billion yuan to a total annual production value of 350 billion yuan in 2011. i.......

New biosensor technology enables real-time detection

Recently, Russian scientists have developed a new laser technology used to create novel optical biosensors that recognize infectious diseases in seconds. The device uses infrared light to show harmful bacteria and viruses and can be widely used in large transport hubs, such as ai.......

New technology makes software robot production easier

By pressing rubber and plastic together, chemists at the University of Nebraska-Lincoln simplified the production of small fluid transport channels that can drive the motion of soft robots and enable chemistry at the microscopic scale. analysis.

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What are the final elements of the open pit stop?

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Determination of the dissociation degree of elite minerals

The process product is first delimed, dried, and sieved into several grades typically used for beneficiation screening. Weigh the grades of each grade and calculate the yield of each grade. Then, 2~58 samples were uniformly taken from each sieve level, and s.......