Organic material 20 Introduction: mention the word 'nano,Many people may have heard of it,But what is nano,What is nano-material,It may not be clear to many people,This paper mainly introduces the research status and development prospects of nano-and nano-materials,I believe that with the development of science and technology,There will be more and more nano-materials coming into people's lives,For the benefit of mankind.Nano is the translation of English namometer,Is a unit of measure in physics,1 nano is one billion of 1 m;Equivalent to the length of 45 atoms arranged.Generally speaking,Equivalent to the thickness of one in ten hair.Like mm, Micron,Nano is a scale concept,There is no physical connotation.When the material reaches the nano scale,It's about 1-This range of 100 nm,The performance of the substance will change,Special performance appears.This one is different from the original atoms and molecules,Material that is also different from the special properties of macro substances,That is, nano-materi
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Is there a big difference between softened water equipment and pre-filter? I don't know much about this. who can help me introduce it, thank you, there is more water Rust at home, I don't know which kind of application to install. The front filter is mainly to filter the sediment, rust and large particles in tap water. Prevent a large number of precipitated impurities generated in the urban and residential water supply network from causing harm to the human body, it also plays an active role in pre-protection of dark compress pipes, faucets, plumbing, water heaters, boilers, central air conditioners, washing machines, dishwashers, coffee machines and other water appliances (water purification machines, pure water machines, water softens.The water softener, mainly through the sodium ion in the resin, replaces the main components of calcium and magnesium ions (forming scale) in the water and binds them to the resin, thus greatly reducing the calcium and magnesium ions in the water,, soft water is not suitable
