“Resolving the Three Falls and the Autumn Leaves, and opening the flower in February†is the wind. “Slow through the wind and sneaking into the night is a matter of silenceâ€. It is rain, wind and rain, etc. The weather is the most common natural phenomenon in our lives. It has always existed in us. Around. The weather such as wind and rain is always changing, and these changing weather affect our activities and also affect the growth of crops. In the agricultural field, accurate monitoring of the surrounding agro-meteorological environment can avoid planting risks, prevent natural disasters, and provide scientific basis for farming. Therefore, in order to strengthen agricultural weather monitoring, a small-scale weather station has been established. .
In the process of agricultural production, if the weather and climate are unfavorable, then it is possible to cause meteorological disasters and reduce agricultural production. In general, precipitation anomalies can cause drought, floods, waterlogging, locust plagues, and even rain, and the temperature can easily cause chilling damage. Frost damage, snow disasters, high temperature heat damage; in addition there are natural disasters such as wind, dry hot winds. The timely and effective understanding of agricultural meteorological environmental changes is an important prerequisite for avoiding natural disasters. Therefore, the application of small meteorological stations to agricultural agricultural meteorological observation is becoming more and more important in modern agricultural production activities.
The small-scale meteorological station is an instrument for real-time monitoring of various agricultural environments. It can measure important agricultural climate environmental parameters such as soil temperature and humidity light intensity, wind speed, direction and rainfall, and implements automatic monitoring and real-time monitoring of comprehensive agricultural ecological information. Agro-technical extension personnel provided guidance to farmers in scientific farming to provide more powerful data protection, and further promoted the development of agriculture to modernization. Through the establishment of a small-scale weather station, not only agricultural production is more secure, but also the past traditional experience has been changed. This has provided important data support for modern refinement of agricultural production, avoiding harm in the direction of agricultural production, reducing disasters and disasters, and increasing production. The goal of increasing efficiency is of great significance. At present, the instrument is widely used in research and teaching, environmental meteorological research, and temporary weather observation sites, such as response to emergencies (such as fire and flood disasters) and on-site monitoring of sudden severe weather, weather in schools, primary and secondary schools. Observatories, agricultural irrigation meteorological environmental indicators monitoring, forest fire risk meteorological indicators monitoring and other fields.
Water-assisted injection molding: Water-assisted injection molding technology is an advanced injection molding process in which part of the melt is injected into the mold cavity and high-pressure water is injected into the melt through the equipment to finally shape the workpiece.
Due to the incompressibility of water, the water front creates a solid interface, squeezing the inner wall of the product into a cavity, and the water front also acts as a rapid cooling. Therefore, the water supplement has many advantages over the gas supplement. Research and application show that the water supplement can produce thinner and more uniform cavity wall, and the inner surface of the flow channel is very smooth. Especially for thick wall workpiece, the cooling time can be greatly reduced compared with gas auxiliary.
High gloss injection molding: Highlights the basic process of injection molding is prior to injection molding, through the use of high temperature and high pressure steam will mould surface rapidly warming, the forming die cavity surface temperature of resin plastic glass transition temperature (Tg) above, then the plasticizing good plastic melt into the closed mold cavity, the injection stage, mold temperature by high temperature and high pressure steam remains the same, When the injection is finished, the air supply is stopped, and the water vapor in the pipe is blown clean by air pressure of the air pipe. After that, the cooling water is injected to make the mold temperature drop rapidly until the mold is cooled and the product is removed by opening the mold
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