Talk about the understanding of nano-materials and nano-technology? Ask for an explanation In terms of size,The size of small particles that usually produce significant changes in physical and chemical properties is 0.Below 1 micron (note 1 M = 100 cm,1 cm = 10000 microns,1 micron = 1000 nm,1 nm = 10 ER ),That is, less than 100 nm.Therefore,The particle size is 1 ~ The particles of 100 nm are called super-particle materials,It is also a nano-material.Nano-metal materials were successfully developed in the 1980s,Later, nano-semiconductor films, nano-ceramics, nano-porcelain materials and nano-biomedical materials were published one after another.Nano-scale structural materials are referred to as nano-materials ),It means that the size of its structural unit is between 1 nm ~ Between 100 nanometers.Since its size is close to the coherent length of the electron,Because of the self-organization brought by strong coher

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Factors affecting filter dust in bag dust removal The filter material used in the bag filter can be fabric (plain cloth or velvet cloth ),It can also be a felt with roller pressure or acupuncture.Filter materials of different structures,The dust filtration process is different,The impact on filter efficiency is also different.The pores in the plain cloth exist between the warp, the weft, and the fibers,The latter accounts for 30% of all pores ~ 50%.When the dust is started,Most of the airflow passes through the mesh between the lines,Only a small part passes through the pores between the fibers.After that,Because of the net hole between the coarse dust particles embedded in the line,Forced flow through the fibers gradually increased,The inertia collision and interception are gradually enhanced.Due to the effect of adhesion,There is a dust bridging phenomenon between the net holes of the warp and weft lines,Soon, a so-called first adhesion layer of dust (hereinafter referred to as the first layer of dust) was