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.
In addition to hygiene and epidemic protection, sunscreen is also very important. Sunscreen and physical protection (hat, sunscreen, sunshade) can be used together. Finally, I wish you all a pleasant picnic experience ~
The shading design should be based on the climate characteristics of the area, the use requirements of the room and the orientation of the window. The effect of sunshade facilities on shielding solar radiation heat not only depends on the shading form, but also depends on the structure, installation location, material and color of sunshade facilities. The shading device can be set to permanent or temporary. Permanent sunshade devices include setting various forms of sunshade panels in the window; temporary sunshade devices include lightweight curtains and various metal or plastic blinds in the window. Permanent shading facilities can be divided into two types: fixed and movable. The movable sunshade facility can adjust the angle of the sunshade according to the change of season, the time of day and the gloom of the sky. Shading measures can also use a variety of heat reflection glass and coated glass, sunlight control film, low emissivity film glass and so on.
The pleasure of a camper is to travel as much as you like. A strange cloud, an unknown lake, can be a reason to stop. The sunshade and dining tables and chairs loaded with the car can make a rich picnic take place anytime and anywhere. The car is equipped with bathroom toilet and stove, mini refrigerator and so on, comfortable and comfortable. You can sleep and wake up in the most beautiful scenery and enjoy sunrises, sunsets and stars. This is one of the most artistic ways of camping.
Hand sweat wear resistance instrument can simulate automobile interior products, including: dashboard, touch screen, door interior panel, steering wheel, seat, roof, floor mat, sunshade, storage box, ashtray and other interior materials, as well as mobile phone glass screen and shell and other finger / skin wear process. At the same time, the system can also be tested in liquid environment, such as artificial sweat, emulsion and so on. By changing different fixtures, the system can simulate all kinds of wear processes: finger wear, nail scratches, sole wear, industrial scratches and fingerprint cleaning.
The choice of aging clothing accessories is also very important, and it is also a compulsory course for women to wear when they go out. The black sunshade hat with the star sequin bag will definitely make the whole set of look more fashionable. In particular, the black bag is dotted with huge pearls, exquisite luxury and youthful fashion style, which also makes the whole set unique and exquisite.
Such as sunshade panels, exterior insulation panels and local areas where the temperature between the doors is easy to rise. In the field of temperature, polypropylene foam is more advantageous than polyethylene foam and polystyrene foam, for example, in addition to light weight, because polypropylene foam has higher heat resistance, epp materials are in higher demand. Why is the substitution of epp materials so great in the automotive field?
6. the interior and exterior decoration engineering design the automobile interior and exterior decoration includes the automobile exterior decoration and the interior decoration, because it is also called the body accessory equipment because it is installed on the body. The main design of exterior parts includes front and rear bumper, glass, door anti-collision decoration strip, intake grille, luggage rack, skylight, rearview mirror, door mechanism and accessories and sealing strip. The interior design mainly includes dashboard, steering wheel, seat, seat belt, airbag, carpet, sidewall interior decoration, sunshade panel, handrail, car rearview mirror and so on.