In the severe winter weather, the small arch shed in the greenhouse should be covered with a layer of straw buns or covered with quilts to keep warm, and then covered with a layer of film. Add windbreak and anti-freezing barrier. The combination of straw and old film into a cold wall, placed in the north of the vegetable greenhouse, as a wind barrier, can reduce the harm of cold current. When the temperature in the greenhouse is below ℃ for a long time, the mulch such as straw bag non-woven sunshade net should be covered in the greenhouse at night to prevent frost damage and take basin fire or furnace fire to heat temporarily. When heating, open fire can not be used to prevent smoke damage, it is necessary to set up a flue to put harmful gases outside. Focus on the heat preservation and anti-freezing of vegetables and seedlings in the greenhouse. For eggplant seedlings that are in the early stage of raising seedlings, measures such as artificial light supplement and temperature increase can be taken to prevent frost damage or excessive growth of seedlings; in cloudy and rainy days, the mulch should be properly removed to make the plants see as much light as possible.
Another growth factor related to humidity is light. Blueberries are not particularly strong for it, but moderate light is needed to ensure growth. Generally speaking, a sunshade net should be used to isolate part of the exposure when the sun is strong, so as to ensure that the temperature in the blueberry shed should not be higher than 26 degrees. Especially when the summer temperature is particularly high, you can cover two layers of sunshade net on the surface, otherwise the high temperature will make blueberries stop growing. The sunshade net can be removed when the temperature drops in the evening, and if the temperature is too low, the thermal insulation film on both sides of the shed needs to be put down to increase the temperature in the shed. But leave some holes in the perimeter to strengthen an internal air flow. When the weather is bad, one should pay attention to the heat preservation work, and the other is the drainage work.
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In the hot summer sun, the temperature in the car can rise to the point where it is impossible to enter, and car shading is a convenience that can slow down the warming rate. But even if they are all called car umbrellas, car sunshades, some are suitable for affixing on the outside of the car, and some can be fixed inside the car; they can also be subdivided into front windshields or side windows, plus the size and function are not the same, how to choose and buy is also a perplexing problem.
Glass curtain wall: the curtain wall of the main terminal is in the form of a 18-meter unit, which is divided into 3 small units, two self-supporting columns of the curtain wall, which are placed on the inside of the curtain wall, each column is built-in stainless steel downcomer, the first main column is covered with stone, and the indoor and outdoor ceiling runs through to the outside of the curtain wall; the finger corridor still takes 9 meters as the unit system, and the square column is used for thermal insulation and waterproofing, and the downwater pipe is placed in front and wrapped in stone. The horizontal sunshade is 9 meters long to bear the horizontal wind load, and the gravity load is suspended by stainless steel poles in each vertical seam of glass. The roof boat-shaped large daylighting roof adopts the scale of 1.5X3 meters per piece of glass, and the rest of the strip or distance daylighting roof glass uses a single piece of 1.5X1.5 meter safety scale. The aluminum plate rain canopy is arranged above the curtain wall on both sides of the corridor, and the appropriate lap length is set at the connection part of the corridor to ensure the integrity of the appearance.
On a hot summer day, some items in the car, such as perfume seats, lighters and cans, can easily explode when exposed to the sun for a long time, so for the safety of the car, the sun shade is used to block the sun and protect the safety of the car, with the sunshade facing outward, so that the sun can be reflected and the heat absorbed can be reduced.