9results about How to "Guarantee friendliness" patented technology

The invention discloses a driving area visualization method, device and equipment for automatic parking and a storage medium, and relates to the technical field of parking, and the driving area visualization method for automatic parking comprises the following steps: obtaining vehicle-mounted camera data, radar point cloud data, vehicle size and safety distance, a target obstacle recognition model based on an encoder-decoder and a self-attention module is used for analyzing camera data, and the initial position, size and type of an obstacle are determined. Then, the positions are adjusted through radar data to obtain accurate real-time obstacle positions, and a drivable area is constructed in combination with the vehicle size and the safe distance. And finally, the system sends camera data, radar data and drivable area information to a vehicle controller, the vehicle controller reconstructs an automatic parking scene by using a scene restoration model, and a result is transmitted to a vehicle display to present an automatic parking view. According to the invention, the automatic parking scene view can be displayed, the driving area can be displayed, and the collision risk is reduced.

The invention belongs to the technical field of batteries, and discloses a high-nickel oxide positive electrode material with a two-phase symbiotic structure and a preparation method, the unique two-phase symbiotic structure can effectively inhibit the violent change of the unit cell volume in the charging and discharging process, and the mechanical stability of the material is improved; a spinel structure is controllably constructed in advance, so that the reaction activity of the material can be effectively reduced, and the thermodynamic stability is improved, thereby inhibiting uncontrollable interface side reaction, oxygen release and irreversible phase change; due to the nanocrystallized particle morphology, faster lithium ion transmission can be realized, and the rate capability of the material is improved; the one-step spray pyrolysis method has the advantages of simple process, rapid reaction, no need of complex steps of coprecipitation, filtration, washing, crushing, calcination and the like, no generation of wastewater, great improvement of the production efficiency and reduction of the cost.

The invention discloses a high-effect positive photoresist stripping liquid, which is prepared from the following raw materials in percentage by mass: 15 to 25 weight percent of low-molecular primary amine compound, 40 to 50 weight percent of organic solvent, 5 to 10 weight percent of additive and the balance of water, the additive is obtained by compounding bifunctional amido modified polysiloxane, an organic sulfonate compound and benzimidazole acid ester, and the bifunctional amido modified polysiloxane is obtained by sequentially carrying out modification reaction on short-chain olefin primary amine, long-chain olefin hydrazide and oxo-imidazolidinyl acrylamide and poly (methoxy) vinyl siloxane. The high-performance positive photoresist stripping liquid has excellent stripping efficiency and selectivity, corrosion to a base material is reduced, meanwhile, environmental friendliness is kept, and the strict requirements for the high-performance stripping liquid in application scenes such as semiconductor manufacturing can be met. The invention also discloses a preparation method of the high-efficiency positive photoresist stripping liquid.

This invention relates to the field of polymer material synthesis technology, specifically disclosing a water-dispersible cationic polyacrylamide material and its preparation method. The material is composed of the following raw materials in parts by weight: 45-50 parts modified acrylamide, 15-20 parts cationic monomer, 5-10 parts N-vinylpyrrolidone, 0.8-1.2 parts surfactant, 90-100 parts deionized water, 0.1-0.5 parts crosslinking agent, 3-8 parts hyperbranched polyester Boltorn (H₂O), 0.08-0.12 parts ammonium persulfate, 0.03-0.05 parts sodium bisulfite, and 0.5-0.8 parts aluminum citrate. The preparation process of this invention is simple and highly operable. The provided polyacrylamide material has a high specific surface area, excellent water dispersibility, good stability, and salt resistance, making it suitable for various industrial applications such as water treatment and papermaking, exhibiting good flocculation performance and reinforcing effects.

The utility model provides a slingshot releasing device which comprises a movable arm and a fixed combination table, the movable arm is installed on the fixed combination table, a trigger mechanism is arranged on the fixed combination table, and the trigger mechanism is in transmission connection with the movable arm and used for driving the movable arm to release a shot. The fixed combination table is connected with a holding seat, a universal joint is connected between the holding seat and the fixed combination table, and the holding seat is used for being held by a user. The problem of trajectory deviation caused by the holding posture is solved through the spherical hinge holding seat, and the shooting accuracy is remarkably improved.

The transformer with the self-adaptive temperature control structure comprises a shell, the shell is of a multi-layer structure, a transformer main oil conservator is arranged on one side of the top of the shell, a high-voltage porcelain sleeve is arranged on one side of the transformer main oil conservator, a low-voltage porcelain sleeve is arranged on one side of the high-voltage porcelain sleeve, and the low-voltage porcelain sleeve is arranged on the other side of the high-voltage porcelain sleeve. A three-phase winding is arranged below the high-voltage porcelain sleeve and the low-voltage porcelain sleeve, a cooling cavity is formed in one side of the three-phase winding, a coupling mechanism is arranged on one side of the cooling cavity, an auxiliary cooling mechanism is arranged on one side of the coupling mechanism, and a fire fighting mechanism is arranged on one side of the auxiliary cooling mechanism. The multi-layer heat preservation and intelligent coupling mechanism is used for automatically adjusting flowing of cooling oil, adjusting heat dissipation efficiency in a self-adaptive mode and reducing energy consumption of heat dissipation, an auxiliary water cooling system and a fire fighting mechanism are combined, effective cooling can be achieved under the high-load or high-temperature condition, carbon dioxide is rapidly generated for fire extinguishing when a fire disaster happens, and performance safety and environment protection are both considered.

The invention provides an efficient and environment-friendly COD (Chemical Oxygen Demand) remover and a preparation method thereof, and the remover is mainly prepared from the following raw materials in parts by mass: 10-27 parts of an oxidant, 30-50 parts of a coagulant, 40-60 parts of an adsorbent, 10-20 parts of a catalyst, 30-40 parts of a stabilizer and 3-8 parts of an inhibitor. The COD remover can quickly and effectively reduce the COD value in wastewater and reduce the negative influence on the environment at the same time.

The invention discloses an environment-friendly flame-retardant cable material. The environment-friendly flame-retardant cable material is prepared from the following components in parts by weight: 30 to 40 parts of polyethylene, 5 to 20 parts of ethylene-vinyl acetate copolymer, 5 to 10 parts of POE-g-GMA, 30 to 40 parts of inorganic flame retardant, 1 to 10 parts of synergistic flame retardant, 1 to 2 parts of antioxidant and 5 to 6 parts of auxiliary agent, carrying out vacuum drying on the polyethylene, the ethylene-vinyl acetate copolymer and the POE-g-GMA at 60 DEG C for 12 hours to remove moisture; fully mixing the dried polyethylene, ethylene-vinyl acetate copolymer and POE-g-GMA with an inorganic flame retardant, a synergistic flame retardant, an antioxidant and an auxiliary agent to form a mixture, placing the mixture on an open mill, and mixing at 100 DEG C; after mixing is completed, the mixture is placed in a vacuum press vulcanizer to be subjected to mold pressing for 10 min at the temperature of 150 DEG C and the pressure of 8 MPa, and the environment-friendly flame-retardant cable material is prepared. According to the environment-friendly flame-retardant cable material, the ethylene-vinyl acetate copolymer is introduced into the polyethylene base material, so that the thermal stability of the cable material can be obviously improved.

The invention discloses a Prussian blue stepped cubic framework / polypyrrole composite electrode material and a preparation method and application thereof.The composite electrode material comprises a cubic Prussian blue framework, granular polypyrrole and dendritic polypyrrole, and the granular polypyrrole adheres to and grows on the surfaces of the Prussian blue cubic framework and the dendritic polypyrrole; the dendritic polypyrrole is connected between the cubic Prussian blue frameworks. In the invention, under the combined action of a cubic Prussian blue framework and polypyrrole, a multi-dimensional structure can be formed by means of adhesion growth, series connection and the like, so that the composite material shows very excellent oxidation-reduction activity and conductivity; the composite electrode has the advantages of large electrolyte contact area, multiple active sites, proper Na < + > diffusion path, good conductivity, good structural stability and the like, can remarkably promote the desalination performance of the electrode when being used for preparing the capacitive deionization electrode, can promote the wide application of the electrode in the field of seawater desalination, and is high in use value and good in application prospect.