As we all know, temperature is the basic condition to ensure the normal growth of crops. Greenhouse is a thermal insulation agricultural facility for the normal and rapid growth of crops. Heat preservation is an important work in greenhouse agricultural production, so suitable covering materials must be selected. Generally speaking, glass greenhouse is better than glass greenhouse, glass greenhouse can play a decorative role in appearance, and the aging and damage problems of glass greenhouse can be relatively small compared with plastic greenhouse; in terms of performance, due to the complexity of the environment, glass greenhouse can resist various loads (wind load, snow load, etc.). Aluminum alloy (or stainless steel) + plexiglass, ordinary glass, low-cost bamboo ponds and plastic films with beautiful and durable, windproof, rainproof, sunscreen, heat preservation effect and cost, can also be equipped with sunshade and sprinkler system. Plants usually need plenty of light and better glass. Of course, the one-time investment cost of plastics is lower, but the later maintenance cost is also higher, and plastics are easy to age.
Audio failures are generally divided into two categories: one is caused by improper use, and the other is caused by the weather. Now most new cars are equipped with CD equipment, the main factors affecting the normal work of car audio in late summer and early autumn are high temperature and humidity. Because the car audio is mostly installed in the upper part of the dashboard, in order to avoid the exposure of the sun, the effect of using sunshade is better. If the door and window sealing strip is not strict, it should be replaced, otherwise the loudspeaker is easy to rust and damage, or even cause short circuit to burn the main engine. With the coming of the rainy season, the humidity increases, and there is often a layer of fog on the surface of CD records, which makes it difficult to read the disc. It is best to scrub it every once in a while. If the CD drive is modified, in order to avoid dampness, do not install it under the floor and seat, preferably on the high part of the car body, but not on the rear windshield, too high temperature will accelerate the aging of electronic components and laser head.
TRX1 package (body color door handle wrapped driver and passenger auxiliary handle front door emphasis lighting full-length advanced upgrade floor console heating front seat heating steering panel LED ambient light conduit leather trim barrel seat deluxe front door trim bright pedal kit 8-way electric driver and passenger seat power adjustable pedal advanced package dashboard rain sensitive wind shield Glass wiper rear door emphasis lighting rear seat lower locker rear window defroster sunshade panel with illuminated cosmetic mirror general garage door opener)
for car carpets (floor mats), car cushions, safety seats, sun gear and decoration products, surface coverings, curtains, sunshade products, interior decoration products, etc.
Interior decoration is a decoration covering the interior of the car, which not only has aesthetics, but also bears a variety of functions. According to the product form, automobile interior parts can be divided into hard interior decoration and soft interior decoration. Hard interior parts mainly take injection molding as the core process, the main products include main and auxiliary dashboards, door panels and column guards, etc., while soft interior products mainly include sunshade panels, ceilings and main carpets.
High temperature and humidity: high temperature and humidity in summer and autumn are also factors that affect the normal work of car stereos. The car is in the upper part of the dashboard, in order to avoid sunlight, the use of sunshade can achieve better results. Timely release of static electricity: more attention should be paid to the use of car stereo in winter, because the climate is dry in winter, turning on warm air in the car will cause drier, which is prone to static electricity.
The heat preservation work in the greenhouse can be completed by side insulation and top insulation curtain, as well as internal and external sunshade curtain and top skylight. The heat preservation work can be carried out 2 hours before sunset. Close the top skylight 2 hours before sunset, expand the internal heat preservation, and then gradually expand the internal sunshade and side insulation. All the internal heat preservation, inner sunshade and side heat preservation will be carried out before sunset. If necessary, external shading can also be fully carried out for thermal insulation. When the external solar radiation is less than 300W/m2 (blade stomata closed) and need heat preservation, you can directly turn on internal heat preservation, side heat preservation and internal shading, and close the top skylight at the same time.
Compared with the injection molding material interior decoration, the foam interior decoration has a flexible and comfortable feel, at the same time, it can play a cushioning energy absorption effect in the event of a vehicle collision to protect the passengers in the car. Foaming technology is widely used in interior decoration, such as dashboard, steering wheel, auxiliary dashboard, ceiling, sunshade, door interior panel, door handrail and so on. In recent years, in order to meet the requirements of lightweight, interior products have been continuously studied and made some progress in materials and technology, in which the economical foaming technology can retain the elastic and comfortable function while reducing the thickness of the foaming layer through product design and process improvement. in order to achieve the purpose of lightweight.
From the analysis of the environmental factors closely related to plant growth in greenhouse project, different temperature and humidity will have a direct impact on plant growth. Therefore, how to meet the requirements of different crop growth environment has become the main way to improve the production potential of greenhouse and realize factory planting. The intelligent greenhouse control system can not only monitor the internal environmental data of the greenhouse, set the upper and lower values of various environmental indicators, and remind managers of the abnormal situation of the greenhouse environment, but also work together by controlling the external sunshade, internal shading, internal thermal insulation, top natural ventilation system, fan water curtain forced cooling system, heating system and so on, so as to make the internal environment of the greenhouse within the scope of our design.
Automobile manufacturing industry has always been an important consumer market for polyurethane products. The interior decoration of foamed polyurethane plastic for bridge car includes seat cushion, headrest, sound insulation, dashboard, sunshade, door panel, roof lining and so on. Car polyurethane purchased parts include bumper, flow stopper, front and rear ribbon, grille, rear side plate, door panel, fender and so on. The application of polyurethane in automobile is expanding day by day because of its good plasticity and strong application of material properties.