7results about How to "Expand application space" patented technology

The present application is suitable for the technical field of geological data collection, and provides an unmanned geological data collection control method and system. The present application determines a geological collection target by acquiring geological collection requirements, plans an unmanned collection path, controls flight, shooting and transmission of unmanned geological collection, identifies geological collection data, calculates an expanded collection radius when there is no geological collection target, plans an expanded collection path, and controls corresponding expanded collection until a geological collection target is identified. The present application can determine a geological collection target, plan an unmanned collection path, control flight, shooting and transmission of unmanned geological collection, identify and judge a target, calculate an expanded collection radius when there is no geological collection target, control expanded collection, and identify a geological collection target until a geological collection target is identified. The present application can explore geological data collection with a clear target, and realize intelligent and unmanned geological data collection control.

An open-fire-free stove is characterized by comprising an insulating shell, an insulating heat-insulating layer, a graphene heating disc and a heat conducting panel, the insulating shell is provided with an inner cavity, and an opening is formed in the upper end of the insulating shell; the insulating heat-insulating layer is arranged in the inner cavity of the insulating shell; the graphene heating disc is arranged on the insulating layer; the heat conduction panel is arranged on the opening of the insulating shell, and the bottom of the heat conduction panel is tightly attached to the upper end face of the graphene heating disc. The graphene heating disc adopts graphene as a heating resistor, so that the energy loss is small, the power consumption is small, and electric energy is saved.

The present application relates to polyester material, disclose a kind of aliphatic-aromatic polyester and its preparation method and application.The light transmittance of the aliphatic-aromatic polyester is greater than 90% when the thickness is 5-100mm, and the elongation at break of the aliphatic-aromatic polyester is 50-1050%.The preparation method comprises the following steps: (1) under esterification reaction conditions, aliphatic diol monomer containing the structure shown in formula (I), aromatic monomer containing the structure shown in formula (II) and catalyst are mixed to carry out first stage reaction, and obtain prepolymer;(2) under polycondensation reaction conditions, the second stage reaction is carried out to the prepolymer.The aliphatic-aromatic polyester not only has good toughness, but also has good light transmission performance.

The utility model relates to the field of workpiece polishing processing, concretely relates to a profiling polishing device, including polishing subassembly and be used for installing the support of polishing subassembly, the support includes base and installs the front support and rear support on the base, the base below is provided with the wheel subassembly who moves along workpiece datum plane, be provided with telescopic mechanism on the front support, and the telescopic mechanism includes pivot, the guide rod who is worn on the pivot and the spring who sets up on the guide rod, be provided with the adjusting mechanism who is used for adjusting the angle of polishing subassembly on the rear support, the utility model restraints device motion trajectory on the workpiece surface geometry feature, makes the polishing piece passive recurrence workpiece appearance, thereby realizes profiling polishing operation, reduces the influence of artificial factor, and provides the pre -tightening force through the spring, realizes the real -time compensation of workpiece processing surface local undulation, guarantees stable contact pressure again, guarantees the polishing quality.

The invention provides a thermosetting resin composition and application thereof. The thermosetting resin composition comprises the following components in parts by mass: 100 parts of epoxy resin, 10-45 parts of a phenolic curing agent, 10-60 parts of a lignin compound, 2-15 parts of a performance additive and 5-35 parts of a charring agent. Through the design and compounding of the components, a rich chemical cross-linked network structure is formed in a cured product of the thermosetting resin composition, and the thermosetting resin composition is used for prepregs, laminated boards and metal foil-clad laminated boards, so that the carbon dioxide emission in the life cycle of the boards is reduced, and the environmental pollution is reduced. The heat resistance, humidity and heat resistance, flame retardance, cohesiveness, electrical property and other comprehensive properties are excellent and are obviously higher than the IPC standard, and the application requirements of printed circuits are met.

The invention discloses a preparation process of a Ti-MOF / BiOF composite material, and relates to the field of photocatalysis of nano materials. The preparation method comprises the following steps: putting N, N-dimethylformamide (DMF), methanol, terephthalic acid and tetrabutyl titanate (TBOT) into a reactor lined with polytetrafluoroethylene, keeping the temperature of 150 DEG C for 24 hours, collecting, washing, drying and activating to obtain Ti-MOF. The preparation method comprises the following steps: respectively dissolving bismuth nitrate and NaF in ethylene glycol and water, carrying out ultrasonic dissolution, and then adding a proper amount of Ti-MOF into the bismuth nitrate solution; under stirring, dropwise adding the NaF solution into the bismuth nitrate solution, transferring the mixed solution into a reaction kettle for reaction, cooling, cleaning and drying to obtain the Ti-MOF / BiOF composite material. The material has good adsorption performance and photocatalytic performance, and can efficiently degrade novel perfluorinated / polyfluorinated compounds in water under simulated sunlight.

The invention discloses a high-toughness PA composite material and a preparation method thereof, and relates to the technical field of PA composite materials. The invention discloses a high-toughness PA composite material. The composite material is prepared from the following raw materials in parts by weight: 60 to 70 parts of polycaprolactam resin, 8 to 12 parts of maleic anhydride grafted polyolefin elastomer, 5 to 8 parts of modified nano calcium carbonate, 10 to 15 parts of modified glass fiber, 0.2 to 0.4 part of antioxidant 1098, 0.1 to 0.3 part of antioxidant 168, 0.3 to 0.5 part of zinc stearate, 3 to 5 parts of ethylene-vinyl acetate copolymer, 1 to 2 parts of organic montmorillonite and 0.5 to 1 part of titanate coupling agent NDZ-101. 0.8 to 1.2 parts of a caprolactam chain extender, and 0.1 to 0.2 part of dibenzylidene sorbitol. According to the high-toughness PA composite material, the polycaprolactam resin is used as a basis, and the modified nano calcium carbonate and the modified glass fiber are matched to enhance toughness and strength, so that the product is high in toughness and good in practicability.