3179 results about "High humidity" patented technology

The invention provides a device and a method for extracting water from air operated under all working conditions. The device comprises a solar power supply unit, a salt-carrying hydrogel adsorption-desorption unit, an electric heating desorption unit, a water vapor condensation and collection unit and a PID control unit. The solar power supply system comprises a solar photovoltaic panel, an MPPT (maximum power point tracking) type photovoltaic inverter and a storage battery, the salt-carrying hydrogel adsorption-desorption unit comprises hydrophilic porous hydrogel and a LiCl / CaCl2 composite adsorption material, and the electric heating desorption unit comprises a copper heat-conducting plate loaded with the adsorption material and an electric heating sheet. The water vapor condensation and collection unit is composed of four finned radiators and two semiconductor chilling plates. The PID control unit is composed of a temperature and humidity sensor and a control circuit, wherein the temperature and humidity sensor is connected to the radiators and the front side of the adsorption bed. Water vapor in the environment is enriched through an efficient salt-loaded adsorbent packed bed, desorption is driven in two modes of solar photo-thermal and electric heating, desorbed high-humidity airflow passes through a fin type cooling fin connected with a semiconductor and then is condensed into liquid water, and the process of taking water from air is completed through a collector below. According to the device, low-energy-consumption air water taking under the humidity of 15%-100% can be achieved by controlling the operation time of all the units, the device is portable and compact, the automation degree is high, and high-water-yield air water taking is achieved by using solar photo-thermal and power generation as energy input.

The invention discloses a simple evaluation method and device for the insulation state of an electric cabinet based on cooperative detection of three sensors, and the method comprises the steps: employing a digital temperature sensor, a capacitive humidity sensor and a leakage current sensor to synchronously collect the temperature, humidity and leakage current parameters in the electric cabinet, and calculating a condensation risk index, a surface dirt coefficient and an insulation deterioration degree through a processor; an insulation diagnosis conclusion is obtained in combination with the three-dimensional judgment matrix, the state of the sensor is judged through a self-checking mechanism of temperature-humidity consistency checking and leakage current reference checking, and the upper computer displays the result and generates a report. According to the scheme, reliable insulation detection and early warning are achieved through a low-cost sensor, and the method is suitable for the marine high-humidity variable-temperature environment.

The invention discloses a quantum encryption handheld laser gas monitoring method and system, and relates to the technical field of handheld laser gas monitoring. The quantum encryption handheld laser gas monitoring method and system comprise the following steps: S1, collecting environmental parameter information, storing environmental monitoring data, and establishing an environmental monitoring database; s2, performing laser spectrum monitoring on the target gas, and performing data quality evaluation based on a laser spectrum monitoring result; s3, executing quantum key analysis on the laser spectrum monitoring data qualified in data quality evaluation; and S4, performing environmental adaptability analysis by integrating the evaluation results of the environmental monitoring data and the laser spectrum monitoring data and the quantum key analysis result. The problems that an existing handheld gas monitoring device is unstable in operation under the complex environment conditions of high temperature, low temperature, high humidity, dust interference, air pressure fluctuation and the like, and the measurement precision is difficult to guarantee are solved.

The invention discloses a magnet assembly and a preparation method and application thereof, the magnet assembly at least comprises two magnet units, and two adjacent magnet units have different magnetization directions; a welding point exists between every two adjacent magnet units; each magnet unit can be provided with a plating layer or not on the combination surface of two adjacent magnet units, and the plating layer contains other elements except Nd, Fe and B. The magnet unit is characterized in that the combination surface of the magnet unit and the two adjacent magnet units can be provided with a plating layer or not provided with a plating layer. According to the magnet assembly, on the premise that the Halbach array mode of magnet arrangement is not changed, the connection strength of the magnet structure and / or the stability in severe environments such as high temperature and high humidity are / is remarkably improved, and unnecessary loss of magnet performance is avoided. In addition, the preparation method of the magnet assembly also remarkably improves the assembly efficiency of the magnet assembly, and can be widely applied to large-scale production.

The invention discloses a transformer substation control screen cabinet pressing plate mistaken touch prevention method and system, and the method comprises the steps: the system automatically detects the approaching of the hand of an operator through infrared induction and gesture recognition, and judges whether the recognition operation is effective or not; according to environmental changes such as high humidity or temperature, the system automatically adjusts the sensitivity of the touch screen to optimize the operation experience; before key operation, the system starts a multiple confirmation mechanism, and an operator needs to confirm an operation intention through a touch screen button and voice recognition; for high-risk operation, the system pops up an alarm and carries out secondary confirmation; meanwhile, the system dynamically adjusts the authority according to the identity of the operator and the task requirement, and the low-authority operator is limited to access the key component and only can execute the operation within the authority range of the low-authority operator; according to the method and the system for preventing the pressing plate of the transformer substation control screen cabinet from being touched mistakenly, the accuracy and the flexibility of preventing mistakenly touching are effectively improved, and the defects in the prior art are overcome through an intelligent means.

The invention discloses an application of a rape BnC05ERF378 gene in improving the waterlogging resistance of a plant. The nucleotide sequence of the rape BnC05ERF378 gene is as shown in SEQ ID NO. 1. According to the invention, a brand new stain-resistant gene BnC05ERF378 is cloned from rape for the first time, and is transferred into arabidopsis thaliana to construct a pure line plant and complete stain resistance identification. Experimental results show that the growth state of the transgenic BnC05ERF378 gene arabidopsis thaliana is remarkably superior to that of a wild type after waterlogging treatment, the transgenic BnC05ERF378 gene arabidopsis thaliana can normally bolt, the survival rate is increased from 12.5% to 37.5%, it is fully proved that the gene can enhance the survivability of the plant in a waterlogging environment by regulating the response mechanism of the plant to waterlogging stress, and the survival rate of the plant is increased from 12.5% to 37.5%. And a key guarantee is provided for stable growth of plants under high-humidity, waterflooding and other adverse conditions. According to the discovery and application of the waterlogging-resistant gene BnC05ERF378 disclosed by the invention, a clear functional gene target is provided for improvement of waterlogging resistance of crops. By constructing an expression vector containing the gene and combining mature technologies such as agrobacterium transformation, the gene can be stably introduced into a target plant, and a pure transgenic plant is obtained.

The invention belongs to the field of atmospheric environment particulate matter monitoring, and particularly relates to an atmospheric environment salt mist concentration real-time monitoring device and method. The monitoring device comprises a computer control module, a container and a buoy, a conductivity electrode, a temperature sensor, a displacement sensor, an air inlet pipe and an air outlet pipe are integrated on the top of the container, and the air outlet pipe is connected with a reciprocating cylinder with a piston and a limit switch. The monitoring method comprises the following steps: calibrating the initial volume V < initial > of liquid and the volume V < initial > of a reciprocating cylinder; circularly collecting the conductivity k0 and k1, the temperature T0 and T1 and the displacement D and Dtotal of the buoy before and after ventilation; correcting the salt mass increment delta M through the dynamic volume, and finally outputting the salt mist concentration C; according to the invention, the defects of inaccurate ventilation volume metering, solution density change and interference of moisture in high-humidity air on concentration monitoring in the prior art are overcome, full-automatic continuous monitoring of the salt mist concentration is realized, the measurement error is effectively reduced, the measurement precision and the monitoring capability are remarkably improved, and the method has relatively good environmental adaptability.

The invention provides an intelligent pressure fluctuation detection and regulation system for a building curtain wall, relates to the technical field of intelligent control and wind pressure regulation, and integrates five modules of data acquisition, credibility evaluation, dynamic wind pressure prediction, cooperative regulation and fault-tolerant guarantee to construct a high-precision wind pressure sensing and closed-loop control system. Rejecting failure nodes by evaluating the credibility of real-time data; a wind pressure trend is predicted based on an LSTM model in combination with a typhoon path, a current prediction error parameter Epr is calculated, and an error threshold E is dynamically compared to guarantee prediction reliability; a multi-objective optimization function is adopted to balance related parameters, a regulation and control instruction set is generated, and millisecond-level response and emergency switching are supported; the reconstruction module utilizes Dk1 (t), Dk2 (t) and Drec (t) to repair missing data, and a standby mechanism is started to guarantee continuous operation when necessary; meanwhile, a regulation and control instruction is dynamically and finely adjusted and closed-loop optimization is And the robustness, the response precision and the regulation and control stability of the system in high-humidity and strong-typhoon environments are remarkably improved.

The invention relates to the technical field of cable manufacturing, and discloses a waterproof photovoltaic cable for a centralized photovoltaic power station and a manufacturing method, and the key points of the technical scheme are that the waterproof photovoltaic cable comprises a conductor, an insulating layer wrapped outside the conductor, a buffer layer wrapped outside the insulating layer, a waterproof layer arranged outside the buffer layer, and a coating layer arranged outside the waterproof layer, the exterior of the coating layer is provided with a shielding layer, and the exterior of the shielding layer is provided with an outer sheath. Due to the high adhesive force of the coating, invasion of external moisture and oxygen can be effectively blocked, the service life of the cable in high-humidity, strong-ultraviolet and high-temperature environments can be prolonged, and the wear resistance and aging resistance of the cable can be enhanced. And meanwhile, the spraying process is combined with the polishing pretreatment, so that a firm bonding interface is formed between the coating and the base material, and the problems of coating stripping and falling caused by insufficient adhesive force in a traditional coating process are solved.

The invention provides a preparation method of an environment-friendly high-performance gas barrier film, which is characterized in that a solution blending method is adopted to prepare a polyvinyl alcohol / nanocellulose / covalent organic framework nanosheet ternary composite system, and a coating method is adopted to prepare the high-performance gas barrier film under high-temperature evaporation. Multidimensional mixed nanocellulose and covalent organic framework nanosheets are introduced as functional fillers to form a stable intercalation structure with a polyvinyl alcohol matrix, so that the interfacial compatibility of the components is remarkably improved. The multi-component gas barrier film is endowed with high humidity resistance, chemical stability, high gas barrier property and the like by regulating and controlling the heat treatment temperature, the environment-friendly gas barrier film material shows good application prospects in the fields of chemical protective clothing and the like, and a new thought is provided for development of high-performance protective materials.

The invention discloses a preparation method and application of a hydrophobic core-shell structure catalyst, and the method comprises the following steps: adding a metal oxide and a surfactant into a first solvent to obtain a first dispersion liquid; adding an alkaline solution and a silicon source into the first dispersion liquid to obtain a first turbid liquid; calcining the first turbid liquid to obtain a porous core-shell material of silicon dioxide coated metal oxide; adding the porous core-shell material into a third solvent to obtain a second suspension; and adding an alkaline solution and a silane agent into the second turbid liquid to obtain the hydrophobic core-shell structure catalyst of the hydrophobic silicon dioxide coated metal oxide. The oxidation reaction of the inner core of the silicon dioxide layer does not destroy hydrophobic groups on the outer layer, so that the hydrophobic performance is maintained for a long time, organosilane is grafted on the surface of the silicon dioxide shell layer, inhibition of water vapor on the activity of the catalyst is reduced, and competitive adsorption of water vapor and reaction gas is prevented; the activity and the service life of the catalyst under high-temperature and high-humidity conditions are effectively improved.

The invention discloses a preparation method of a POK and EVOH blending modified high-barrier material, which comprises the following steps: pre-drying, uniformly mixing, cooling and curing, air injection for water removal, pelletizing, secondary drying and the like to obtain the POK and EVOH modified high-barrier material, compounding the POK, EVOH and EAA according to a certain proportion to form a three-phase mixed system, and playing a synergistic effect to obtain the POK and EVOH blending modified high-barrier material. The oxygen barrier effect is improved; through the special compatilizer for POK, the compatibility of POK and the EVOH material is improved, and the mechanical property of the material is improved; the oxygen barrier effect of POK at high temperature and high humidity is basically not reduced, and the oxygen barrier effect of the whole system at high temperature and high humidity is improved; the antioxidant system improves the thermal stability of the EVOH material and the POK material during processing, and solves the problems that the materials are easy to decompose during processing and easy to yellow after being used for a long time.

The invention relates to the technical field of agricultural machinery automation, and discloses a multi-modal sensing crop lodging angle detection and self-adaptive cooperative control device, which remarkably improves the crop lodging detection precision and the harvesting operation adaptability through multi-modal sensing data fusion and a self-adaptive cooperative control mechanism. The control parameters are dynamically optimized based on crop biomechanical characteristics, the hysteresis problem of a traditional fixed parameter mode in a complex farmland environment is effectively solved, and precise cooperative adjustment of the header height and the advancing speed is achieved. A multi-source sensor space-time registration technology eliminates data asynchronous deviation, and ensures stable operation of the system under severe conditions of strong illumination, high humidity and the like. A high-frequency fine adjustment mechanism reduces secondary damage to lodging crops in the harvesting process, and the harvesting efficiency and the crop recovery rate are remarkably improved in combination with an environment disturbance pre-compensation mechanism.

The invention relates to a preparation method of a normal-temperature normal-pressure efficient gas adsorption composite material. The method comprises the following steps: firstly, pretreating activated carbon to obtain surface-OH modified mesoporous activated carbon; then modifying the surface-OH modified mesoporous activated carbon with the ZIF-8 material to obtain ZIF-8 (at) OH-AC; and finally, performing surface hydrophobization modification to obtain the adsorption material. Wherein in the modification process, ZIF-8 is firmly loaded and uniformly distributed on the surface of hydroxyl-modified mesoporous activated carbon by adopting an in-situ growth technology, the interface bonding force is enhanced, the loading capacity of the activated carbon on the MOFs material is improved, and by utilizing the chemical adsorption effect of ZIF-8 Zn < 2 + > and methane and the high porosity of the mesoporous activated carbon, the MOFs material can be prepared. The adsorption capacity of the composite material to methane is greatly improved, meanwhile, the moisture resistance of the composite material is effectively improved, the composite material can still keep stable and efficient adsorption performance in a high-humidity environment, and the problem that an existing material is prone to inactivation in a humid environment is solved.

The invention belongs to the field of condensation prevention, and discloses an electrical cabinet condensation risk assessment method and related equipment based on time-space characteristics, and the method comprises the steps: collecting outdoor meteorological data of a transformer substation, data in a power distribution room, data in an inner wall cabinet of an electrical cabinet and cable trench data in real time, and outputting a condensation occurrence probability through a pre-constructed condensation occurrence probability model; according to the method, the limitation of response lag of a traditional dehumidification method is overcome, the weight can be dynamically adjusted according to the time-space characteristics at the current moment, and therefore the condensation risk index is calculated, and the condensation risk of the electrical cabinet is evaluated in time. According to the method, the condensation risk prevention capability is remarkably improved, electric power safety accidents caused by the condensation problem are effectively avoided, and the economic loss of electric power enterprises is reduced. The method is more flexible and efficient in energy consumption control, meets the requirements of energy conservation and emission reduction, can better adapt to diversified climate conditions of different areas, and is more remarkable in dehumidification effect especially in high-humidity areas or areas with large day and night temperature difference.

The invention relates to the technical field of nylon materials, in particular to hydrophobic high-strength transparent nylon as well as a preparation method and application thereof. According to the preparation method, 3, 3 '-dimethyl-4, 4-diaminodicyclohexylmethane (MACM), aromatic diamine and fatty diacid are taken as reaction monomers, and the novel transparent nylon is obtained by adjusting the dosage ratio of the monomers and further adjusting the preparation process (regulating and controlling the reaction process). The transparent nylon provided by the invention has the advantages of hydrophobicity, high strength and high light transmittance. The technical problem that existing nylon is high in water absorption rate is solved. The hydrophobic transparent nylon provided by the invention can be used under the condition of high humidity, and has higher safety and longer service life; therefore, the application field of the transparent nylon is expanded.

The invention discloses a high-reliability PbS quantum dot film, a preparation method thereof and a photoelectric device. The preparation method comprises the following steps: 1) obtaining a first quantum dot solution; 2) adding medium-chain and long-chain amine; 3) adding an anti-solvent; 4) obtaining medium-chain and long-chain amine modified PbS quantum dot solids; 5) obtaining a second quantum dot solution; (6) forming a PbS quantum dot coating; 7) forming a mercaptan solution; 8) coating the PbS quantum dot coating with a mercaptan solution; (9) annealing treatment; 10) forming a new PbS quantum dot coating, and coating the new PbS quantum dot coating with a mercaptan solution; according to the PbS quantum dot thin film and the preparation method thereof, through the induction and synergistic effect of halogen atoms, the binding capacity of halogenated mercaptan ligands and the surface of the PbS quantum dot thin film is enhanced, the surface defect state of the PbS quantum dots is effectively inhibited, and the reliability of the PbS quantum dot thin film and a photoelectric device under the conditions of high temperature, high humidity and long-time illumination is remarkably improved.

To provide a dehumidifier which can determine, when dry efficiency of clothing is deteriorated, whether air of high humidity in the space around clothing is required to move.SOLUTION: A dehumidifier comprises: a body case 1 with an inlet port 2 sucking air from prescribed space and an outlet port 3 blowing air to the prescribed space; a ventilation part 5 which guides air from the inlet port 2 to the outlet port 3; a dehumidifying part 4 which dehumidifies the air sucked from the inlet port 2; a humidity acquisition part 14 which acquires humidity of the prescribed space; and a determination part 13 which determines based on the humidity of the prescribed space acquired by the humidity acquisition part 14 whether air ventilation or air conditioning in the prescribed space is required.SELECTED DRAWING: Figure 4

The invention relates to the technical field of nano particle heterogeneous reaction kinetic research, in particular to a nano single particle reaction rate measuring system and method based on optical surface wave dark field imaging. The method comprises the following steps: preparing a nano single particle sample; the humidity of the environment where the nano single particles are located is adjusted; starting a heterogeneous reaction of the nano single particulate matter, performing in-situ dark field imaging on the nano single particulate matter in the reaction process, and collecting scattering hot spot imaging data under different reaction times and different humidity; and based on the acquired imaging data, the reaction rate of the nano single particulate matter is inversed in combination with a kinetic model. According to the invention, the defects in the existing nano-particle reaction rate measurement technology can be overcome, and the reaction rate of a single particle as low as 50 nanometers in the heterogeneous reaction process can be accurately measured and inverted under the high-humidity standard atmospheric pressure condition.

The invention provides a corrosion-resistant composite cable and a preparation method thereof, the corrosion-resistant composite cable comprises a signal unit, an optical cable unit and a protection unit, the signal unit and the optical cable unit are coated with the protection unit, the signal unit comprises a silver-plated copper conductor, an insulating layer, a shielding layer and a sheath layer, and the silver-plated copper conductor is coated with the insulating layer. The optical cable unit comprises an optical fiber, a buffer tube and a filler; the protection unit comprises an inner sheath, a tensile layer, an anti-corrosion layer and an outer sheath. The corrosion-resistant composite cable has good corrosion resistance, can effectively resist corrosion of various chemical substances, prolongs the service life of the cable, reduces the fault risk caused by corrosion, and improves the stability and reliability of power transmission or signal transmission; under severe environment conditions, such as high humidity, high salinity and high alkalinity, a normal working state can still be kept, continuous and stable support is provided for related equipment or systems, and normal operation of the equipment or systems is guaranteed.

The invention discloses silencing and mildew-proof organic silica gel as well as a preparation method and application thereof, and belongs to the technical field of organic silicon binding material polymers. Comprising the following components in parts by weight: 35-45 parts of nano calcium carbonate, 32-40 parts of hydroxyl-terminated polysiloxane, 5-9 parts of silencing powder, 0.5-2.5 parts of glass fiber powder, 5-9 parts of a hyperbranched polymer, 2-5 parts of a hydrophobic surface modifier, 1.5-3 parts of color paste, 1-2 parts of a water-based coupling agent, 1-2 parts of a cross-linking agent, 0.5-2.5 parts of a mildew preventive, 0.4-2 parts of a composite titanide and 0.4-0.7 part of nano silver powder. According to the invention, the nano silver powder and the mildew preventive are compounded, and an inorganic sterilization system is combined, so that broad-spectrum environment-friendly bacteriostasis is realized, and high-humidity long-acting protection is met; the powder is subjected to hydrophobic treatment, moisture is blocked, and high adhesion is kept; silencing powder serves as a core, a sound absorption network is cooperatively formed, the noise reduction capacity is improved, and the device is suitable for multiple scenes.

The invention relates to the field of sealing plates, in particular to an environment-friendly moisture-proof density board and a preparation method thereof, and the environment-friendly moisture-proof density board comprises the following components in parts by mass: 50-70 parts of modified wood fiber, 30-50 parts of bamboo fiber, 8-15 parts of a modified isocyanate adhesive, 0.5-3 parts of nano silicon dioxide, 0.3-1 part of a vegetable oil release agent and 0.08-0.15 part of a curing agent. Through combination of natural renewable raw materials and innovative materials and combination of refined process regulation and control and multifunctional integrated design, compared with the prior art, the environment load is remarkably reduced, the moisture resistance and moisture resistance are improved, meanwhile, the flame-retardant and antibacterial properties are considered, the structural stability is optimized, and the service life is prolonged. The method can be widely applied to furniture manufacturing, building decoration and high-humidity environment scenes, and has green, sustainable and high-adaptability application prospects.

The invention belongs to the technical field of low-voltage switch cabinets, and particularly relates to a low-voltage switch cabinet with a good on-off effect, which comprises a cabinet body, an exhaust cavity formed at the bottom of the cabinet body, an air exhaust box fixedly mounted at the top of the cabinet body, a filter screen plate mounted on the side wall of the air exhaust box, a plurality of drawers slidably connected in the cabinet body, and an auxiliary heat dissipation box fixedly connected to the back of the cabinet body. When a second motor drives a rotating shaft to rotate to adjust the position of a movable seat, the rotating shaft rotates to drive a linkage shaft to rotate through a belt ring and a belt pulley, the linkage shaft is meshed with one transmission shaft through a bevel gear, and therefore when the rotating shaft rotates, the annular dehumidification net can be driven to rotate through the transmission shaft; and the position of a drying agent arranged in the annular dehumidification net is adjusted, so that the dehumidification effect is improved, and the problems that air with relatively high humidity enters the cabinet body, easily corrodes electrical components and seriously affects the on-off effect of the electrical components are solved as much as possible.

The invention discloses continuous laser thickness measuring equipment for coating a wet film and a dry film, and belongs to the technical field of laser thickness measuring devices, and the equipment comprises a conveying line which is installed on a frame, extends in a preset direction, and is used for bearing and conveying a bearing platform; the press-fit cleaning mechanism comprises fixing blocks arranged on the two sides of the top end of the frame, sliding grooves are formed in the fixing blocks, the fixing blocks are movably connected with sliding blocks, the top ends of the sliding blocks are connected to piston rods installed at the bottoms of first air cylinders, and the bottoms of the sliding blocks are connected to strip-shaped plates through first springs; the strip-shaped plates and the fixing blocks are integrally formed, and a pressing roller is movably connected between the sliding blocks. The technical problems that the circuit board is prone to moisture absorption in a high-humidity environment, the dielectric property is affected, the interlayer separation or layering risk is increased, and when the circuit board is covered with air impurity particles, the accuracy of thickness measurement work is also affected are solved.

The invention relates to the technical field of urban rail train safety detection, and discloses a mechanical rail train detection method and system with a real-time detection function, and the method comprises the steps: collecting the states of obstacles on the two sides of a bogie and normally open and normally closed contacts of derailment detection travel switches; calculating a trigger state code; an emergency or non-emergency braking signal is output and an alarm is given; and when the state returns to normal and a reset instruction is received, the alarm is released and the initial state is recovered. In the prior art, obstacle or derailment detection is realized by depending on a multi-stage sensor and an electronic control unit, and especially in complex operation environments of high electromagnetic interference, high humidity dust and the like, stable and low-fault-rate real-time detection cannot be realized. Due to the fact that a redundancy judgment mechanism combining a pure mechanical structure and the vehicle programmable logic control unit LCU is adopted, high-reliability real-time detection of the obstacle and derailment state is achieved, and the safety and maintainability of a train system are improved.

The invention belongs to the technical field of gas detection, and relates to a ship exhaust gas multi-component synchronous online monitoring system and method based on a laser Raman spectrum. The system comprises a sampling module, a preprocessing module, an analysis module, a data processing module, a blowback module and a flow measurement module. The method comprises the following steps: starting and self-checking the system; sample collection, pretreatment and flow velocity measurement; laser excitation and signal acquisition; carrying out spectrum analysis and concentration inversion; data output and system maintenance; and performing periodic automatic calibration. According to the invention, a complete monitoring process chain from sampling, pretreatment, flow measurement, analysis to back flushing is creatively integrated. The high-efficiency pretreatment and back flushing design greatly reduces the influence of high-dust and high-humidity environment on the analysis system, and ensures the long-term stability and reliability of the system.

The invention relates to the technical field of injection molding magnetic powder materials, and discloses an injection molding magnet material, a preparation method and an injection molding magnet, and the injection molding magnet material is prepared from the following raw materials in parts by weight: 80-92 wt.% of magnetic powder; 3-9 wt.% of a binder A; 3-9 wt.% of a binder B; 0.3 to 2 wt.% of a coupling agent; 0.2 to 1.5 wt.% of an auxiliary agent; the binder A and the binder B are PA10T / X, the relative viscosity of the binder A and the relative viscosity of the binder B range from 1 to 2, and the difference value between the relative viscosity of the binder A and the relative viscosity of the binder B is not less than 0.3. The binding agent A and the binding agent B with different relative viscosities are adopted for improving the mechanical property and the fluidity of the magnetic material correspondingly, it can be guaranteed that the magnetic material has good size stability in a high-humidity environment and has high strength in a low-temperature environment, the fluidity of the magnetic material is greatly improved, and the magnetic material has the good mechanical property. Meanwhile, the material cost of the injection molding magnet material is reduced.

The invention discloses a gas-sensitive material based on double noble metal doped holmium iron oxide and application of the gas-sensitive material to detection of hydrogen sulfide in a sulfur-containing ore body exploration environment, and relates to the technical field of gas-sensitive materials. HoFeO3 is used as a substrate material, and two elements of Au and Pt are used for doping modification of the HoFeO3 to prepare the gas sensitive material based on double noble metal doped holmium iron oxide. Au and Pt are combined to perform doping modification on HoFeO3, a synergistic effect is achieved on improving the temperature stability of the gas-sensitive material, the sensitivity of the gas-sensitive material in a high-humidity environment can be improved, in addition, due to the synergistic catalysis effect of Au and Pt, an energy barrier of H2S adsorption reaction can be remarkably reduced, surface electron transfer and reaction activity are promoted, and the sensitivity of the gas-sensitive material in a high-humidity environment is improved. Therefore, the working temperature is reduced, the response value is improved, and the method is suitable for detecting hydrogen sulfide gas in a sulfur ore body exploration environment.

The invention relates to the technical field of coating materials, in particular to a high-scratch-resistant and wear-resistant coating material and a preparation method thereof.The high-scratch-resistant and wear-resistant coating material is prepared from, by weight, 20-30 parts of tetraphenol ethane tetraglycidyl ether epoxy resin, 15-25 parts of polyurethane modified polytetrafluoroethylene, 15-25 parts of acrylate modified polysilazane and 5-15 parts of modified nano tungsten carbide. 2-5 parts of a curing agent, 1-3 parts of a dispersing agent and 0.5-1 part of an antioxidant; the preparation method comprises the steps of raw material mixing, stirring, coating, drying, heat treatment and the like. Through matching of specific raw materials, the prepared coating paint not only can improve the scratch resistance and wear resistance of a metal matrix, but also has good high temperature resistance, high humidity resistance and corrosion resistance, and the performance is not affected when the coating paint is used in different environments.

The invention provides an air water-taking device based on temperature-sensitive hydrogel and semiconductor refrigeration and application thereof.The air water-taking device comprises a solar power supply module used for providing part of electric energy for the whole air water-taking device; the temperature-sensitive hydrogel adsorption bed is used for adsorbing the introduced high-humidity gas to obtain moisture; the semiconductor chilling plate provides low-temperature and high-temperature surfaces required by desorption and condensation at the same time; the desorption side is located on the heating side of the semiconductor chilling plate and connected with the fin type adsorption bed coated with the temperature-sensitive hydrogel, and the condensation chamber is located on the refrigeration side and used for condensing desorbed water vapor into liquid water and finally collecting the liquid water into the water storage tank. The desorption and condensation processes in the air water taking process can be achieved at the same time through cold energy and heat energy generated in the working process of the semiconductor chilling plate, the energy utilization efficiency in the air water taking process is greatly improved, and the device is suitable for providing stable water source supply for high-humidity areas such as hot and tropical islands and ocean vessels.