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Zhixuan Technology | The secret of cost reduction and efficiency increase in small shed farming turns out to be it...

Zhixuan Technology | The secret of cost reduction and efficiency increase in small shed farming turns out to be it...

Shrimp farming in a small shed is an efficient production model. Shed shrimp using circulating aquaculture technology, can save water resources, reduce environmental pollution. At the same time, controlling the light, temperature, water quality and other environmental conditions in the small shed can accelerate the growth rate of shrimp and improve the yield and quality.

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2022

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07

Vacuum pumps are widely used in the coating industry and coating equipment.

Vacuum pumps are widely used in the coating industry and coating equipment.

Vacuum coating technology is an important branch of vacuum application technology, which has been widely used in optics, electronics, energy development, physical and chemical instruments, construction machinery, packaging, civil products, surface science and scientific research and other fields. The main methods used in vacuum coating are evaporation plating, sputtering plating, ion plating, beam deposition plating and molecular beam epitaxy. In addition, there is a chemical vapor deposition method. If the purpose of vacuum coating is to change the physical and chemical properties of the surface of the material, this technology is an important part of vacuum surface treatment technology.

10

2022

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01

Technological innovation is the key to the core competitiveness

Technological innovation is the key to the core competitiveness

After the harvest of fruits and vegetables, life is not over, there is still respiration, that is, to absorb oxygen, carbon dioxide and water. In the process of metabolism, a large amount of respiratory heat is produced, so that nutrients are continuously consumed and a large amount of water is lost. As a result, fruits and vegetables wither, change color and soften, and reduce vitamins, resulting in deterioration and loss of commodity value. The only way to weaken the respiratory intensity of fruits and vegetables is to quickly reduce the temperature of fruits and vegetables to reduce their respiratory heat. Low temperature can not only inhibit the growth and reproduction of microorganisms, but also inhibit the activity of enzymes in food, delay the change of chemical composition in fruits and vegetables, and maintain the nutritional value and color, aroma and taste quality of food. The quality of fruits and vegetables can be improved by proper treatment after picking. Vacuum pre-cooling is considered to be an effective method to slow down the ripening of fruits and vegetables after picking and to ensure food quality.

12

2021

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11

What causes the vacuum pump efficiency

What causes the vacuum pump efficiency

Low steam pressure and pressure fluctuations have a greater impact on the ability of the vacuum pump, so the steam pressure should not be lower than the required working pressure, but the structure design of the vacuum pump has been finalized, and too much steam pressure will not increase the pumping capacity and vacuum. In addition, to ensure that the steam pressure supplied by the boiler is stable, it is best to use a boiler to provide working steam to the steam jet pump, so that the steam pressure will not fluctuate and the performance of the vacuum pump will be stable.

12

2021

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11

Difference between theoretical vacuum and ultimate vacuum

Difference between theoretical vacuum and ultimate vacuum

The two concepts of theoretical vacuum and ultimate vacuum are similar and are commonly used in the field of industrial vacuum equipment, such as rotary vane vacuum pumps, screw vacuum pumps, vertical oil-free vacuum pumps, slide valve vacuum pumps, water ring vacuum pumps, etc.

12

2021

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11

The working principle of vacuum pump oil

The working principle of vacuum pump oil

In the vacuum pump, the vacuum pump oil is not only used as the medium to obtain the vacuum, but also plays the role of lubricating, cooling and sealing the mechanical friction point.

09

2021

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11

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