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34results about How to "Has anti-corrosion properties" patented technology

Geomagnetic vehicle detector based on NB-IoT technology and detection method thereof

The invention discloses a geomagnetic vehicle detector based on NB-IoT technology and a detection method thereof. The geomagnetic vehicle detector comprises a geomagnetic detection module, wherein thegeomagnetic detection module is used for carrying out in-situ detection on a vehicle on a parking space by utilizing the disturbance of geomagnetic signals on the vehicle during parking; a radio-frequency radar detection module used for transmitting radio-frequency signals, mixing the radio-frequency signals with reflected echoes of the radio-frequency signals, and detecting the vehicle on the parking space in situ by detecting the mixed signals; an MCU control module used for processing the data acquired by the geomagnetic detection module and the radio-frequency radar detection module, carrying out vehicle parking and departure service judgment, and carrying out data interaction with a remote background server through an NB-IoT module; and an NB-IoT data communication module used for enabling the geomagnetic vehicle detection terminal and the remote server to perform data interaction by utilizing an operator NB-IoT network. According to the invention, the parking space state of thevehicle is intelligently detected aiming at the parking space state detection, so that the parking space monitoring of an unmanned parking lot can is completely achieved.
Owner:CHENGDU ASIONSYS IND CO LTD

Red copper electric hot water heating device

InactiveCN102252427AGood electrical conductivityThermal conductivity is not easy to corrodeFluid heatersHealth protectionCorrosion
The invention discloses a red copper electric hot water heating device which is composed of a water inlet pipe, a heating pipe, a water outlet pipe, a shell and a heating cavity, wherein the water inlet pipe is installed on the low end position of the shell, and the water outlet pipe is installed on the top of the shell; the interior of the shell is the heating cavity, one end of the heating pipe is installed on the bottom position of the shell, and the heating pipe is arranged in the interior of the heating cavity body; and a temperature sensor hole is installed on the water outlet pipe and an anti-dry temperature sensor hole is installed on the top of the shell. The invention has the advantages of energy conservation, strong heat-conducting property, corrosion resistance, toughness, health protection and low possibility of scaling.
Owner:SHANGHAI NICHOLS ELECTRONICS TECH INC

Anticorrosive polyurethane water-based paint and preparation method thereof

The invention relates to an anticorrosive polyurethane water-based paint and a preparation method thereof. The preparation method comprises the following steps: synthesizing a modified polyurethane emulsion from amino-terminated graphene and a polyurethane prepolymer, and then preparing the water-based paint. According to the preparation method, graphene is modified, so the problem of non-uniform dispersion of graphene in a polymer emulsion is effectively solved, and an amino-terminated polyether chain is grafted on the surface of graphene, so a polyurethane prepolymer and amino-terminated graphene are combined through chemical bonds to form a graphene modified polyurethane emulsion which has certain anti-corrosion characteristics; meanwhile, a polyether chain between graphene and a polyurethane chain segment increases the hydrophilicity and dispersity of the polyurethane emulsion system, so various assistants can conveniently enter the polyurethane emulsion system to form a waterborne polyurethane coating, and the strength of the polyurethane coating is greatly improved; and water is used as a main solvent, so the paint is green and environment-friendly, and is suitable for coating of building interior walls, and a paint film formed after coating of the paint has good self-cleaning property, flat and smooth surface, excellent adhesive force and long anti-aging time.
Owner:扬州豪扬新型建筑材料有限公司

Water source heat pump-applied energy-saving and environment-friendly breeding method

The invention relates to a water source heat pump-applied energy-saving and environment-friendly breeding method. The water source heat pump-applied energy-saving and environment-friendly breeding method applies a water source heat pump-applied energy-saving and environment-friendly breeding system, which is composed of a livestock and poultry house, a water source heat pump unit, a heat exchangeunit, an air inlet duct unit and an air return duct unit, wherein the water source heat pump unit is arranged inside an underground soil layer (2), the heat exchange unit is mounted on the ground (1),the air inlet duct unit (13) is a long and narrow cabin arranged on one side of the livestock and poultry house, and the air return duct unit (18) is a long and narrow cabin arranged on the other side of the livestock and poultry house. According to the water source heat pump-applied energy-saving and environment-friendly breeding method, by means of cold and hot water circulation provided by thewater source heat pump technology, precise control over the temperature of the livestock and poultry house can be achieved through one set of facilities, air can slowly enter into the livestock and poultry house only after being preheated / precooled, heat of exhaust waste gas of the livestock and poultry house can be recycled and reutilized, subsequent maintenance can be simple and convenient, andenergy consumption can be reduced.
Owner:邱榕生

A roller bit

The invention discloses a roller cone bit, which comprises a drill bit seat and a roller cone. A tri-cone bit claw is arranged at the connection between the drill bit seat and the tri-cone bit, and a rotating bearing is arranged at the connection between the roller cone and the tri-cone bit claw. One end surface of the tri-cone bit claw is provided with a fixed seat, both sides of the tri-cone bit claw are penetrated with extrusion rods, and the inside of the tri-cone bit bit claw is symmetrically provided with a first placement slot for extruding. One end of the rod extends to the inside of the first placing groove, the surface of one end of the extrusion rod located inside the first placing groove is provided with a squeezing plate, one side of the squeezing plate is provided with a sponge block, and the inside of the tricone bit claw is One side of the first placement groove is provided with a cavity, and a liquid outlet hole is opened inside the claw of the tricone bit, and the liquid outlet hole is communicated with the container cavity and the first placement groove, and the extrusion rod is connected with the first placement groove. A spring sleeve is arranged at the connection, and an extrusion block is arranged on the surface of one end of the extrusion rod which is located outside the teeth of the tricone bit.
Owner:FOSHAN SHUNDE YUANJING MOLDING ELECTRIC CO LTD

A kind of anticorrosion type polyurethane water-based coating and preparation method thereof

This case involves an anti-corrosion polyurethane water-based paint and its preparation method, using amino-terminated graphene and polyurethane prepolymer to synthesize a modified polyurethane emulsion, which is then made into a water-based paint. The present invention effectively solves the problem of uneven dispersion of graphene in polymer emulsions by modifying graphene, and grafts amino-terminated polyether chains on the surface of graphene to make polyurethane prepolymers and amino-terminated graphite Graphene is combined with chemical bonds to form graphene-modified polyurethane emulsion, so that it has certain anti-corrosion properties; at the same time, the polyether chain between graphene and polyurethane segments increases its hydrophilicity and dispersibility, making it easy for various additives to enter into the polyurethane emulsion system to form a water-based polyurethane coating, which greatly improves the strength of the polyurethane coating; water is used as the main solvent, which is environmentally friendly and suitable for coating the interior walls of buildings. The paint film formed after coating has good self- Cleanliness, flat and smooth surface, excellent adhesion, long aging resistance.
Owner:扬州豪扬新型建筑材料有限公司

Moistening washing-free nutrient facial mask

The invention relates to a moistening washing-free nutrient facial mask which is made of elastic and viscous wormlike micelle formed by an ampholytic surfactant, namely alpha-carboxyl long chain alkylamine oxide derived from natural grease, as a washing-free solidification liquid, together with a nutrient liquid and a small amount of glycerinum. The solidification liquid self is an ampholytic surfactant with very high tenderness, and has self-preservative properties and is free of any preservative component; when being applied to a face, the solidification liquid is at a state of gel, then the air can be effectively isolated from pollutants, and good functions of water supply and retention can be achieved; when being slightly kneaded by palms, the wormlike micelle can has flowability likea liquid because of the shearing dilution, then the wormlike micelle can infiltrate into the surface layer of skin to moisturize the skin, and nutrient components can be sufficiently absorbed; various facial mask products can be made by adding various nutrient liquids according to demands; the facial mask is gentle and non-irritant in component, has remarkable functions of skin moisturizing, inflammation elimination and skin moistening, and meanwhile has the characteristics of being economic in cost, simple in preparation method, convenient to use, and the like, and the smoothness and the elasticity of the skin can be remarkably improved after the facial mask is used.
Owner:JIANGNAN UNIV
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