Metal fibers refer to fiber-shaped materials with high metal content and continuous distribution of metal materials with lateral dimensions in the micrometer scale.
Jan 17, 2022
Composite material refers to a material composed of two or more components (units) with different properties or different organizations.
Polyester fiber is a synthetic fiber spun from each chain link in the macromolecular chain through an ester group to form a fiber-forming polymer. In my country, fibers with a p...
Jan 16, 2022
The compressor is a driven fluid machine that lifts low-pressure gas into high-pressure gas, and is the heart of the refrigeration system. It inhales low-temperature and low-pre...
The evaporation temperature refers to the temperature at which the refrigerant boils in the evaporator, and it corresponds to the corresponding evaporation pressure. Evaporation...
Jan 15, 2022
Condensing temperature refers to the saturation temperature of the refrigerant vapor in the condenser when it condenses under a certain pressure. The condensation temperature is...
Dispersing Agent NNO performance Dispersing Agent NNO has excellent diffusivity and protective colloid properties, but has no surface activity such as penetration and foaming. I...
Jan 14, 2022
Dispersing Agent NNO is an organic substance with chemical formula C11H9NaO4S, easily soluble in water of any hardness, with excellent diffusivity and protective colloid propert...
Coarse aggregates refer to aggregates with a particle size greater than 5mm. Coarse aggregates commonly used in ordinary concrete are crushed stone and pebbles. The coarse aggre...
Jan 13, 2022
Petroleum asphalt linoleum is a coiled material made of low softening point petroleum asphalt impregnated with linoleum base paper, and then coated with high softening point pet...
The positive and negative charges in the dielectric can only make small displacements in the range of atoms or molecules under the action of electric field force, they are calle...
Jan 12, 2022
Electrostatic energy is the forceful effect of the electric field on static charges, and work on moving charges. It can be seen that energy is stored in the electrostatic field....
