36results about How to "Improve climate adaptability" patented technology

The invention discloses a refrigerating box with a high-efficiency energy-saving evaporator for a refrigerator. The refrigerating box comprises an evaporating board, and evaporating tubes arranged on the evaporating board, wherein the evaporating tubes are circuitously distributed on the evaporating board in an S shape; an air return tube is connected with the evaporating tubes integrally without a welded junction; and a refrigerant from a capillary flows from the top of the evaporator to the bottom of the evaporator, flows from the bottom of the evaporator to the top of the evaporator, and flows to a compressor through the air return tube. The evaporating tubes are skillfully arranged, so that the density of the evaporating tubes in the evaporator is higher than that of evaporating tubes in a common evaporator, the evaporating temperature is lower, and the cooling speed is higher; the evaporator has functions of a reservoir, after the refrigerator stops working, the refrigerant at the temperature of about 26 DEG C below zero stored in the evaporator perform heat exchange with foods in the refrigerator, and the shutdown time of the refrigerator is prolonged; the evaporator has a large inner diameter, the refrigerant has low flow resistance, and power consumption is low; and due to the three aspects, the refrigerator is more energy-saving, and the evaporator has a simple structure, a few welded junctions and low cost and is easy for mass production.

The invention discloses a cutting breeding technology of vine tea, which comprises the following steps: (1) selection of nursery land; (2) deep plowing and land preparation and base fertilizer application; (3) soil disinfection; Ridging and covering with plastic film; (5) green branch cutting; (6) nursery field management; (7) nursery stock transplantation; it is characterized in that the green branch cutting method and the bed making of the seedbed. Compared with the prior art, the invention can improve the survival rate and yield of vine tea plants; shorten the soaking time and improve the cutting efficiency; and is suitable for large-scale cultivation and transplantation.

Drill pipe positioning, assembling and disassembling calipers belong to the mechanical field of oilfields. Due to the drill pipe positioning, assembling and disassembling calipers, working time of workers at a wellhead is shortened as much as possible, the distance from the workers to equipment at the wellhead is lengthened during operation, drill pipe assembling and disassembling precision is improved, and the drill pipe positioning, assembling and disassembling calipers can replace manual drill pipe assembling and disassembling operation. The drill pipe positioning, assembling and disassembling calipers consist of an assembling and disassembling portion, a positioning portion and an auxiliary portion. The drill pipe positioning, assembling and disassembling calipers not only meet requirements of reducing oil and gas well production costs and increasing engineering quality, but also meet requirements of guaranteeing personal safety of the oil workers and increasing working conditions of the workers. The drill pipe positioning, assembling and disassembling calipers can replace manual drill pipe assembling and disassembling operation. By the aid of existing mature technology, two sets of hydraulic calipers grip and tighten a drill pipe, the horizontal positions of the calipers are controlled by two axial lead screws, displacement is monitored by inductive guide tracks, and an effect of automatically assembling and disassembling the drill pipe is achieved.

The invention relates to a solar energy and wind energy-based solar water heater surplus water pipe heat compensation system, and belongs to the technical field of solar heat supply. The system comprises a wind energy and solar energy hybrid power supply system, a heat insulating surplus water pipe, a hot water gate valve arranged at the upper end of the heat insulating surplus water pipe, a household ball valve arranged between the surplus water pipe and each household hot water pipe through a tee joint, a household gate valve arranged on the heat insulating surplus water pipe and a household flange electric heater; the upper end of the heat insulating surplus water pipe is connected with a water outlet of a heat storage water tank on the top of a building through a head gate valve; each household flange electric heater is arranged on the heat insulating surplus water pipe below each household tee joint; the gate valve is arranged on the heat insulating surplus water pipe between each household tee joint and the flange electric heater; and the output end of the wind energy and the solar energy hybrid power supply system is connected with each household flange electric heater. Power is generated through wind force and solar energy and supplied to the flange electric heater to heat cold water in the surplus water pipe. The solar energy and wind energy-based solar water heater surplus water pipe heat compensation system has the advantages of water saving, energy saving, capacities of increasing hot water supply amount and improving climatic adaptation of a solar heating system, and the like.

The invention discloses a preparation method of a solar-assisted air-based water production material and its products and applications, belonging to the technical field of air-based water production. The preparation method includes: (1) immersing sand particles in an alkaline etching solution, drying to obtain the treated sand particles A; (2) immerse the sand particles A in the oxidation solution, and dry to obtain the treated sand particles B; (3) immerse the sand particles B in the photothermal conversion performance drying in the polymer solution to obtain treated sand particles C; (4) immersing the sand particles C in a salt solution containing metal ions for ion doping, and drying to obtain a solar-assisted air-based water production material. The solar air water production material prepared by the present invention has the advantages of wide source of materials, simple preparation, low cost, strong moisture absorption capacity, high solar utilization rate, and strong climate adaptability, and does not require expensive and complicated experimental equipment. Desert areas have broad application prospects.

The invention relates to a method for recovering the vegetation diversity of a river channel. The method comprises the following steps of surveying geographic conditions and hydrologic conditions, surveying local aquatic plants, screening the aquatic plants, improving substrates at a river bottom, planting the aquatic plants and performing follow-up management on the planted aquatic plants. In addition, the invention further discloses a multi-layer natural material river bed. Besides, the multi-layer natural material river bed is adopted in the step of improving the substrates at the river bottom in the method for recovering the vegetation diversity of the river channel. According to the scheme disclosed by the invention, the bottom substrates at the river channel of an urban inland river with ecosystem degradation are improved, the local aquatic plants with high climate adaptability and prominent dirt removing capacity are in optimal configuration, the vegetation of the river channel of the urban inland river is specifically recovered and rebuilt, the biological diversity in the river channel is rapidly and effectively improved, and water quality is purified.

The invention discloses an anticorrosive coating material for reinforced concrete, a preparation method and applications thereof, and belongs to the technical field of anticorrosive coating materials,wherein the anticorrosive coating material comprises, by mass, 8-30% of a phenol formaldehyde epoxy resin, 4-20 % of Ethylene glycol diglycidyl ether, 4-20 % of butanol, 1-5 % of a xylene-type unsaturated polyester resin, 7-32 % of a modified amine epoxy resin curing agent, 0.8-4 % of toluene-2,6-diisocyanate and / or modified toluene-2,6-diisocyanate, 5-25 % of mica flakes, and 2-3 % of ultrafinesilica. According to the present invention, the anticorrosive coating material has advantages of good sulfate and chlorine ion barrier performance, low film thickness, low surface energy, strong climate adaptability, good mechanical property, simple coating and the like, can meet the use requirements of high-sulfate and high-chlorine-ion composite salty soil environments, and can ensure the safetyand the long-term stability of the reinforced concrete infrastructure in the high-sulfate and high-chlorine-ion composite salty soil environment.

The invention discloses a positioning method for an aircraft precise positioning device, relates to the technical field of unmanned aircraft, and includes a cascade pipe assembly provided on a parent aircraft and a cascade rod assembly provided on a slave aircraft; the cascade pipe assembly includes a cascade pipe assembly , the first screw rod and the electromagnetic traction column; the cascading rod assembly includes a cascading rod, one end of the cascading rod is arranged on the slave machine, and the other end has a permanent magnet ball head, and the cascading rod is arranged along its own axis There is a screw hole for the first screw screw to extend in, and the screw hole runs through the cascade rod and the permanent magnet ball in turn; the end of the electromagnetic traction column has a On the end face, an electromagnetic coil is arranged inside the electromagnetic traction column, and the electromagnetic coil changes magnetic poles for attracting or repelling the permanent magnet ball head. When this scheme is used for cascading, it improves the cascading precision and ensures the safety of the aircraft.

The invention relates to a sludge treating process, in particular to an infiltration chamber system for infiltrating, drying and digesting sludge. The infiltration chamber system for infiltrating, drying and digesting sludge comprises an infiltration chamber, wherein a bottom plate of the infiltration chamber is provided with a water-proof geomembrane; the water-proof geomembrane is provided with a filtering layer; the thickness of the filtering layer is 650-750 millimeters; the filtering layer is formed by paving gravel filter materials; the filtering layer consists of three types of filter materials of different particle diameters in an upper filtering layer, a middle filtering layer and a lower filtering layer; a perforated water collecting pipe is arranged in the lower filtering layer; the perforated water collecting pipe is connected with an infiltrate drainage pipe; one side wall of the infiltration chamber is provided with a sludge inlet pipe; another side which is opposite to the side wall is provided with a supernatant drainage pipe; the supernatant drainage pipe is higher than the upper filtering layer; and the top of the filtrating chamber is provided with a sunlight plate top cover. The use of the technical scheme defined by the invention is not limited by areas or climate, the sludge drying speed is high, the stability degree is high, and secondary pollution caused by underground water does not exist simultaneously.