Any promotion team established by Bright Alliance in foreign countries?

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How about homemade home water filter? Self-made water filters are not very realistic,If necessary,You can choose the home filter valve,Install it on the tap of the hand.One change,Convenient and quick!Self-made water filter-what is the filter is an indispensable device on the pipeline of conveying media,It is usually installed in the inlet end of the pressure reducing valve, pressure relief valve, fixed water level valve, and other equipment of the square filter.After the filter has a filter cartridge of a certain size filter,Its impurities are blocked,When cleaning is needed,Just remove the removable cartridge,After processing, you can reload it,Therefore,It is extremely convenient to use and maintain.The filter consists of the cylinder, stainless steel filter screen, sewage discharge part, transmission device and electrical control part.Self-made water filter-how to make self-made water filter 1.Prepare materials, a pair of scissors, a piece of gauze, a pile of fine sand, charcoal, an empty plastic bottle

Why do nano-materials have excellent performance? The structure determines the nature!!Due to the outstanding surface effect, small size effect and quantum confinement effect of nano-sized substances,Therefore, nano-materials have optical, electrical, magnetic, thermal, mechanical and other properties different from ordinary materials.Nano-particle materials are also called micro-particle materials,Consists of nanoparticles (nano particles.Nanoparticles are also called ultra-fine particles,Generally refers to the size of 1 ~ Particles between 100nm,It is a transitional area at the junction of atomic clusters and macro objects,From the usual point of view on the micro and macro,Such systems are neither atypical nor typical macro systems,It is a typical system in the middle of,It has surface effect, small size effect and macroscopic quantum tunnel effect.When people subdivide macro objects into ultra-micro particles (nano-scale,It will show many strange features,That is, its optical, thermal, electrical, magne