Dongguan Jiuduo Plastic Products Co., Limited has developed the business in a brand-new way and has won many honorary qualifications in the industry. Now we enjoy a large influence in the industry. The traffic convenience and advantageous geographic location create a broad prospect for Jiuduo's business development. Jiuduo provides comprehensive and reasonable solutions based on customer's specific situations and needs. Jiuduo can provide OEM/ODM services. Whether you are a supplier, an agent or a customer, we are looking forward to the cooperation with you.
What paint does quartz sand filter spray? It is mainly to filter out a large number of solid particles in the water or impurities that are easier to precipitate through the medium,Further purification of raw water.In the pretreatment process, raw water is allowed to enter the quartz sand filter from top to bottom, from small to large, and the filter material of different sizes is filtered layer by layer,All impurities such as particulate matter, colloid and organic matter in the water are trapped,Effectively reduce the turbidity of water.Determine the recoil timing of quartz sand filters according to the condition of equipment head loss or the time of filter operation.Through the opening and closing of various valve bodies configured on the quartz sand filter, the quartz sand filter material inside the equipment is backwashed,After flushing the debris deposited on the medium,The device then entered a new filter cycle.It is the preliminary treatment of pure water preparation,An important
What are the four major effects of nano-materials and their practical meanings? 10 1. surface effect refers to the change in properties caused by the sharp increase of the ratio of nano-particle surface atoms to total atomic numbers with the smaller particle size.Table 9-2 The relationship between the size of nanoparticles and the number of atoms on the surface is given.With the decrease of particle size,The number of atoms on the surface increases rapidly.In addition,With the reduction of particle size,The surface area and surface energy of nanoparticles are rapidly increasing.This is mainly the smaller the particle size,The more atoms are on the surface.The crystal field environment and binding energy of surface atoms are different from those of internal atoms.There is a lack of adjacent atoms around the surface atoms,There are many dangling keys,With unsaturated properties,It's easy for other atoms to settle down if they want to combine,Therefore, it shows great
