Xuan paper, known as one of the Four Treasures of the Study, is an important carrier for traditional Chinese calligraphy and painting art, and it is also a precious cultural heritage of the Chinese ...
In laboratory tests, the material eliminated 79.9% of SARS-CoV-2 particles in three minutes and 99.99% in up to 15 minutes (photo: Alpes) Transparent stretchable PVC film for use in packaging meat, ...
An innovative transparent PVC food packaging film, developed by Brazilian technology companies Braskem and Alpfilm, uses silver-silica nanoparticles, paving the way towards the next-generation ...
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