The lack of production potential of sown seeds is one of the greatest threats in agriculture, which will lead to the greatest harvest of the cultivated varieties. Therefore, it is very necessary to carry out seed inspection. Evaluate seed quality and planting value before sowing, prevent and reduce adulteration and adulteration, and provide some seed mark information and information for federal and state seed laws to facilitate state-to-state and international seed trade. At the same time, it is of great help to the study of plant germplasm and promotes further understanding of seed characteristics (such as dormancy, vigor, variety, etc.) so as to make better use of it. The seed counter is an important instrument in the seed inspection process.

Commonly used instrumentation for performing germination tests are: seed counters: commonly used counting plates and vacuum counters. The counting plate usually has a fixed chassis plate. Zonal holes with the same size and shape as the counting seeds are arranged on the upper layer. The lower layer of the plate is lined with a non-porous thin plate as a false bottom, and can be moved back and forth. When the operation is performed, several seeds are evenly sprinkled on the plate. Upper. Remove excess seeds from the plate and withdraw the movable bottom plate. The seeds will dissolve on the germination bed. The vacuum counter is composed of vacuum system, counting plate and valve. When operated, the vacuum pump is started and the seeds are sucked into the counting plate. When the seed fills all the holes, the vacuum is interrupted and the seeds fall on the sprouting bed.

Seed counters test the health of the seeds to prevent diseased seeds from causing field diseases, the economic benefits of colorful crops, and the prevention of germs from passing through the seed to other areas, and through a healthy test to understand the value of the seedlings, as well as shade or The reasons for the poor emergence of the field to make up for lack of germination test.

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Dissolved Air Floatation

Dissolved Air Floatation

Dissolved Air Flotation (DAF) is an efficient flotation method for water clarification.The term refers to the method of producing flotation by dissolving air in the water under pressure and then releasing the pressure.When the pressure is released the solution becomes supersaturated with air as millions of small bubbles form.These bubbles attach to any particles in the water causing their density to become less than that of water.The particles then rapidly float to the surface for collection and removal, leaving the clarified water behind.

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