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Density is a physical quantity that reflects the properties of matter. The properties of matter refer to a property that matter itself has but can be distinguished from each other. People often feel that substances with high density are "heavy" and substances with low density are "lighter". "Heavy" and "light" essentially refer to the magnitude of density. Density is a property of matter, it does ...
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Nanoparticles have a special surface structure, which lacks adjacent coordinating atoms on the surface, and has high activity, so it is easy to agglomerate. Due to the strong self-absorption property among nanomaterial particles, the agglomeration of nanoparticles is inevitable. Aggregates can be divided into two types: hard agglomerates and soft agglomerates. The formation process of agglomerates...
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The thermal properties of nanomaterials are inseparably linked to the motion behavior of molecules and atoms in the material. such as the melting point of nanomaterials. The melting point of a solid substance is fixed when its form is large in size. For nanoparticles, due to the small particles, the high surface energy of the particles, the large number of surface atoms, the incomplete coordinatio...
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Characterization and testing technology is the fundamental way to scientifically identify nanomaterials, understand their diverse structures, and evaluate their special properties. The main purpose of characterization of nanomaterials is to determine some physical and chemical properties of nanomaterials, such as morphology, size, particle size, chemical composition, crystal structure, band gap an...
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Characterization and testing technology is the fundamental way to scientifically identify nanomaterials, understand their diverse structures, and evaluate their special properties. The main purpose of characterization of nanomaterials is to determine some physical and chemical properties of nanomaterials, such as morphology, size, particle size, chemical composition, crystal structure, band gap an...
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In the world of electronic materials there are two important material properties "electrical conductivity" and "thermal conductivity". Generally speaking, as long as the electrical conductivity of the material is good enough, the thermal conductivity is also good. For example, copper, silver, aluminum and other metal materials have good electrical and thermal conductivity. Therefore, most metal ma...
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According to the pH range, the transparent dispersion of nano-silica can be divided into basic transparent dispersion of nano-silica (PH=8-11), neutral transparent dispersion of nano-silica (pH=6-8) and acidic transparent dispersion of nano-silica (pH=1-5). SAT NANO adopts a special process and dispersion process to prepare a series of nano-silica transparent dispersion products with good dispersi...
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The main uses of nanomaterials: pharmaceuticals, household appliances, electronic computers, and the electronic industry, environmental protection, textile industry, and machinery industry. Nanotechnology is the core technology in the development of automobiles. Nanotechnology can be applied from car bodies to wheels, covering almost all of cars. The widespread application of nanotechnology in aut...
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1. Mechanical properties Due to the fact that nanomaterials are composed of nanoparticles, and when the particles are at the nanoscale, the strength, hardness, and other mechanical properties of the material will increase as the particle size decreases. It is precisely because of this property of nanomaterials that they can be used for certain packaging that requires strength and hardness, solving...
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Nitrogen doped carbon nanotubes are a new type of nanomaterial with excellent physical and chemical properties, and have broad application prospects. First, nitrogen doped carbon nanotubes can be prepared by various methods, such as chemical vapor deposition, chemical vapor deposition arc discharge, electrochemical oxidation and reduction, sol gel method, etc. Among them, nitrogen doped carbon nan...
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The preparation of SEM nano powder samples usually requires the following steps: Sample preparation Firstly, it is necessary to choose an appropriate sample preparation method. Usually there are physical methods, chemical methods, biological methods, mechanical methods, etc. Among them, the most common methods are magnetron sputtering, chemical reduction, aerosol, etc. Sample dispersion It is also...
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There are several methods to improve the flowability of powder during transportation: The particle shape of the powder can be controlled by changing the operating conditions during the grinding or spray drying process to affect its fluidity. Powder can be added with flowability additives, such as granular substances such as silica or alumina, to improve its flowability. For powders that are diffic...
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