101results about How to "Reduce threat" patented technology

The invention relates to the field of environmental pollution monitoring, in particular to an on-line environmental pollution monitoring method and system, and the method comprises the steps: collecting the pollutant concentration data of a parking lot, and carrying out the data preprocessing to obtain the pollutant concentration preprocessing data; extracting spatial distribution characteristics and time characteristics of pollutant diffusion from the pollutant concentration preprocessing data according to a multivariable space-time prediction model, and comprehensively analyzing the space-time trend of pollutant diffusion to obtain the diffusion trend of the pollutant concentration and obtain the predicted concentration of the pollutant; performing data analysis on the predicted pollutant concentration and a preset safe concentration threshold value, and when the predicted pollutant concentration is greater than the preset safe concentration threshold value, triggering an alarm and performing ventilation operation; the problems that pollutant monitoring in a parking lot is not comprehensive enough, pollutant concentration cannot be effectively predicted in time, and a high-concentration area of pollutants cannot be judged in time, so that air quality cannot be optimized and managed in time, and personnel health cannot be guaranteed are solved.

The invention discloses a waterlogging risk early warning threshold calculation method and system based on multi-source data analysis, and relates to the technical field of big data analysis and risk early warning, and the method comprises the steps: obtaining the multi-source data of a to-be-analyzed target disaster-bearing body; generating a target disaster-bearing body elevation model containing the building height information according to the building height information and the surrounding area elevation model data so as to analyze a surrounding runoff path of a target disaster-bearing body; correcting a surrounding runoff path according to the surrounding area satellite image to determine a corresponding disaster-bearing body catchment area and a disaster-bearing volume water area; calculating a rainfall ponding relation of the target disaster-bearing body; and acquiring a ponding height threshold value for the disaster-bearing volume water area, and calculating a rainfall early warning threshold value of the waterlogging risk corresponding to the target disaster-bearing body according to the ponding height threshold value and the rainfall ponding relationship. Therefore, personalized rainfall early warning thresholds for different disaster-bearing bodies are obtained through fine-grained analysis, and more accurate decision support is provided.

The invention discloses an application of an ABC transporter family gene OsABCA3 in regulation and control of plant breeding. Belongs to the field of plant genetic engineering. According to the application of the ABC transport protein family gene OsABCA3 in plant breeding regulation and control, the amino acid sequence of the protein encoded by the ABC transport protein family gene OsABCA3 is shown as SEQ ID No: 2. According to the invention, the ABC transporter gene OsABCA3 is knocked out in rice, so that the Cd absorption in a knockout plant under Cd stress is obviously reduced compared with that of a wild type plant, the Cd content of grains in the knockout plant planted in Cd-polluted soil is obviously reduced compared with that of the wild type plant, but the content of essential elements in the grains and the yield of rice are not negatively influenced; therefore, a new candidate gene resource is provided for creating safe rice with low Cd grains, and a potential repair method is also provided for rice Cd pollution treatment.

The invention discloses an application of an ABC transport protein family gene OsABCB11 in regulation and control of plant breeding. Belongs to the field of plant genetic engineering. According to the application of the ABC transport protein family gene OsABCB11 in plant breeding regulation and control, the amino acid sequence of the protein encoded by the ABC transport protein family gene OsABCB11 is shown as SEQ ID No: 2. The ABC transporter family gene OsABCB11 is overexpressed in rice, so that absorption of Cd in an overexpressed plant under Cd stress and transfer of Cd from the root to the stem and leaf are remarkably reduced compared with those of a wild plant, and the Cd content of grains in the overexpressed plant planted in Cd-polluted soil is remarkably reduced compared with that of the wild plant; however, the content of essential elements in the grains and the yield of the rice are not negatively influenced, so that a new candidate gene resource is provided for creating safe rice with low Cd grains, and a potential repairing method is also provided for controlling Cd pollution of the rice.

The invention discloses an intelligent monitoring high-flame-retardant water-blocking long-distance symmetrical communication cable, which comprises a communication line group, a plurality of intelligent monitoring units, a flame-retardant structure, a water-blocking structure, a shielding structure, an oxygen isolation structure and an outer sheath, and is characterized in that the plurality of intelligent monitoring units are uniformly distributed along the length direction of the communication line group and form a cable core together with the communication line group; the flame-retardant structure, the water-blocking structure, the shielding structure and the flame-retardant oxygen-isolating structure are all arranged between the cable core and the outer sheath, the intelligent monitoring unit comprises a monitoring module, a data processing module and a communication module, and the monitoring module is composed of a temperature sensor, a humidity sensor, a strain sensor and a current monitor. The data processing module is electrically connected with the monitoring module on one hand, and communicates with a remote monitoring center through the communication module on the other hand, so that moisture can be effectively prevented from invading into the cable, and the cable has good transmission performance, monitoring function and water-blocking and flame-retardant performance, and can autonomously monitor the operation state and perform early warning and positioning on faults.

The embodiment of the invention discloses a home base station position verification method and device, a node and a storage medium. The method comprises the following steps: a second node obtains first position information of a first node; based on the first position information and first information obtained in advance, performing position verification on the first node to obtain a position verification result; the first information represents the signing position of the first node.

The invention relates to the technical field of animal repelling, in particular to a bird repelling method and device for a power transmission line. The bird repelling method comprises the steps of data image acquisition, data image processing, building of a bird recognition model, recognition of the visual recognition device and action of the pressing launching device. The bird repelling device comprises a power supply device, a bird detection device, a visual recognition device, a pressing launching device and a self-checking device. Solar energy can be used for supplying power, the types and positions of birds are accurately judged through the intelligent detection and recognition technology, effective repelling is achieved in an accurate repelling mode, meanwhile, remote monitoring and intelligent dispatching are supported, and the safety and stability of a power transmission line are improved.

The present invention discloses an intelligent sound and light dispersing system, which is characterized by comprising: a sound and light dispersing device, a radar tracking device, an electric pan-tilt platform, a video recognition and acquisition device and a controller; wherein the video recognition and acquisition device comprises a network video server, a video acquisition front-end camera and a video monitor; the video acquisition front-end camera is arranged on the sound and light dispersing device; the sound and light dispersing device and the radar tracking device are both arranged on the electric pan-tilt platform; the controller is respectively connected to the sound and light dispersing device, the radar tracking device, the electric pan-tilt platform and the network video server. The intelligent sound and light dispersing system of the present invention can realize unmanned alert and dispersal.

The invention relates to the technical field of fireproof roller shutters, in particular to a fireproof roller shutter with basalt fiber cloth, which comprises fireproof roller shutter cloth, the fireproof roller shutter cloth is arranged in multiple layers, the thickness of the fireproof roller shutter cloth is less than or equal to 0.5 mm, the fireproof roller shutter cloth comprises a fireproof heat insulation layer, and the fireproof heat insulation layer is formed by interweaving and blending basalt fibers and aluminum silicate refractory fibers. The thickness of the fireproof heat insulation layer is 0.1 mm to 0.3 mm; the fireproof roller shutter cloth further comprises a fire receiving surface layer and a heat radiation prevention layer, the fire receiving surface layer is combined with the fireproof heat insulation layer, the side, away from the fire receiving surface layer, of the fireproof heat insulation layer is combined with the heat radiation prevention layer, the fire receiving surface layer, the fireproof heat insulation layer and the heat radiation prevention layer are combined through fireproof adhesive, and the thickness of the fire receiving surface layer and the thickness of the heat radiation prevention layer range from 0.1 mm to 0.3 mm.

The utility model relates to an anti-ice-falling device for the surface of a cross tie beam of a bridge tower, which comprises a plurality of anti-ice-falling devices arranged on the surface of the cross tie beam, each anti-ice-falling device comprises an anti-ice-falling clamp, a plurality of raised fixing pieces and a plurality of extended connecting pieces, and the anti-ice-falling clamps comprise a first anti-ice-falling clamp and a second anti-ice-falling clamp. The first anti-ice-falling clamp and the second anti-ice-falling clamp are fixedly arranged on the edges of the left side and the right side of the cross tie beam respectively, and the first anti-ice-falling clamp and the second anti-ice-falling clamp are connected into a whole through the extending connecting pieces and the protruding fixing pieces and fixed to the upper surface of the cross tie beam. The limiting baffles arranged at certain intervals prevent solid accumulated ice from sliding on the upper surface of the bridge tower cross tie beam, meanwhile, lateral drainage of the upper surface of the cross tie beam cannot be hindered, the phenomenon that a traditional drainage channel becomes a'water blocking channel 'due to icing is avoided, and the size of a single block of ice accumulated on the upper surface of the cross tie beam is limited within a safety threshold value as much as possible.

The present invention discloses a method for auditing encrypted data of federated learning based on dual blockchains, and uses the structure of dual blockchains to audit the client gradient of federated learning, wherein the behavior blockchain is responsible for recording transaction information and adding noise to gradient ciphertext, and the audit blockchain is responsible for implementing the audit algorithm to verify the gradient set, and uses the improved national secret SM9 algorithm to homomorphically encrypt the client gradient data. The audit algorithm targets a gradient matrix, and gradually narrows the audit scope to locate the threat gradient by the method of "first overall, then row by row, and finally single gradient". The present invention uses blockchain and homomorphic encryption technology to audit gradient attacks such as poisoning attacks and free-rider attacks in the process of federated learning with high accuracy, and uses the structure of dual blockchains at the same time, optimizes the audit resource configuration, and reduces failure losses.

The invention provides a mining breathing self-rescue system capable of intelligently detecting toxic gas, which comprises a mining silica gel half mask, a control valve, an air bag, a compressed oxygen bottle, an expiration pipe, an inspiration pipe, a gas sensing array module, a sensing cabin and a single chip microcomputer, one side is an expiration pipeline connected with a compressed oxygen self-rescuer cleaning tank and used for purifying expired gas, the other side is an inspiration pipeline connected with a compressed oxygen self-rescuer air bag, and oxygen adjusted and released by a compressed oxygen bottle adjuster and human body expired gas filtered and purified by the cleaning tank are stored in the air bag. The concentration of toxic gas in the half mask can be monitored, flow conveying of oxygen of the self-rescuer can be controlled, the service life of the self-rescuer can be prolonged, oxygen uptake operation time can be shortened, threat of colorless and odorless gas to miner lives can be reduced, rescue time after disasters occur can be strived, and the self-rescuer has important practical significance for guaranteeing health and safety of miner lives before and after disasters.

The invention belongs to the technical field of water treatment, and discloses a cyanobacterial bloom treatment device which comprises a treatment mechanism on a water surface tool, and the treatment mechanism is communicated with a collection mechanism floating on the water surface; the collecting mechanism comprises an algae collecting assembly, and the algae collecting assembly communicates with a transferring assembly communicating with the processing mechanism; a driving assembly is arranged on the algae collecting assembly; the treatment mechanism comprises a treatment box arranged on the water surface tool, a treatment assembly is arranged in the treatment box and communicates with the transfer assembly, and the bottom end of the treatment assembly communicates with a discharging assembly; the algae collecting assembly comprises an algae collecting cylinder floating on the water surface, and a plurality of floating air bags for adjusting the floating state are arranged on the algae collecting cylinder. The blue-green algae is treated in a physical mode, the blue-green algae in the water body can be rapidly separated and recycled, the blue-green algae pollution of the water body is effectively treated, the threat of the blue-green algae is reduced, the treatment efficiency is high, the risk caused by chemical treatment and biological treatment is avoided, meanwhile, the blue-green algae is recycled, and the resource waste is reduced.

This invention relates to the field of polishing machines, specifically disclosing a concrete polishing machine with protective functions. It includes a base with a hand handle, a mounting plate on the base, a polishing assembly on the base, a drive assembly connected to the polishing assembly on the base, a push assembly on the base, a brake assembly between the push assembly and the polishing assembly, and an inflation assembly on the mounting plate. This invention provides primary buffering, secondary buffering, braking, and support functions. When the hand is released, it effectively counteracts the polishing machine's continuous spinning and irregular movements, providing effective protection against abnormal movements from multiple angles. This ensures the polishing machine quickly stops working after an malfunction, reducing collision damage and preventing malfunctions, minimizing threats to surrounding workers, improving work efficiency, and accelerating construction progress.

The utility model provides an oil drum hoist device relates to the technical field of oil drum hoist. The oil drum hoist device includes steel wire rope, first clamping mechanism and second clamping mechanism, one end of steel wire rope is fixedly connected with first clamping mechanism, and its other end is fixedly connected with second clamping mechanism, first clamping mechanism includes clamping head and torque rod, one end of torque rod is connected with steel wire rope, and its other end is connected with clamping head, clamping head is equipped with horizontal part and inclined part, the vertical bolt of horizontal part is connected with screw thread, and vertical bolt is perpendicular to horizontal part, the inclined bolt of inclined part is connected with screw thread, and inclined bolt is perpendicular to inclined part. The oil drum hoist device solves the mode of carrying oil drum, and steel wire rope is easy to slide down on the oil drum, which causes property loss and threatens the safety of operating personnel.

The invention provides a strain of Lysinibacillus bacilli Sneb2537, a preparation capable of preventing and treating root knot nematode disease as well as a preparation method and application of the preparation, and belongs to the technical field of plant disease prevention and treatment. According to the invention, the Lysinibacillus pakistanensis Sneb2537 with efficient nematode-resistant activity is screened out from soil, and a fermentation broth obtained by fermenting the strain can be directly used in each growth period of plants, and has a promoting effect on prevention and control of root knot nematode diseases and growth of the plants. When being used as a medicament for preventing and treating the root knot nematode disease, the strain and the fermentation liquor have the characteristics of simplicity in operation, high efficiency, safety, environment friendliness and difficulty in generating resistance, and effectively reduce the damage of chemical agents to the environment and the threat of the chemical agents to people.

A vehicle safety control method, system and device and a computer readable storage medium, and relates to the technical field of vehicle safety control, specifically comprising: when detecting that a target battery is on fire, controlling a vehicle door to unlock so as to leave a target person; determining a destination position based on a preset path planning algorithm, wherein the destination position is an open area, an unmanned area or a fire extinguishing area; controlling the target vehicle to get away from the target battery after arriving at the destination position; determining target initial kinetic energy of the target vehicle based on the mass of the target vehicle and the corresponding speed of the target vehicle when the target vehicle is thrown away from the target battery; and controlling the target vehicle to run from the destination position to other positions based on the target initial kinetic energy. According to the invention, the loss caused by battery fire can be reduced.

The invention relates to the field of hydrogen storage device alarm, in particular to a leakage-proof alarm device for a hydrogen storage device, which comprises a base, a vertical beam and the like, a vertical beam is fixedly connected to the base. The suspension beam and corresponding parts on the suspension beam are controlled through the DD motor to actively avoid obstacles, collision of main parts of the alarm is reduced, the alarm is prevented from being damaged, the horn-shaped top cover and the fan blades are arranged, blown air is more concentrated on the upper portion of the top cover, and therefore the detection result of the gas sensitive sensor is more accurate, and the safety of the alarm is improved. The detected gas enters the hollow vertical beam through the gas guide pipe and is finally discharged into air from the gas hole I below the vertical beam, the discharged hydrogen is far away from the position of the gas sensitive sensor, the false alarm condition is reduced, the density of the hydrogen is smaller than that of the air, so that the discharged hydrogen quickly floats upwards and is fully mixed with the air in the floating-up process, and the detection accuracy is improved. And the hydrogen concentration is further diluted, so that threats caused by hydrogen explosion are reduced.

The utility model provides a vehicle which comprises a vehicle starter, a storage battery, a standby power supply, a distribution box, a first circuit, a first indicator light and a second indicator light, the first circuit is provided with a first pressing switch, the positive electrode of the storage battery is electrically connected with the first power supply input end of the distribution box, and the negative electrode of the storage battery is grounded; the standby power supply end is electrically connected with the second power input end of the distribution box through a first circuit, the first power output end of the distribution box is electrically connected with the starter, and the first pressing switch, the first indicator light and the second indicator light are arranged in a vehicle. The first indicating lamp and the second indicating lamp are electrically connected with the standby power supply, and when the first pressing switch is closed, the first indicating lamp is lightened; when the first pressing switch is switched off, the first indicating lamp is turned off; when the standby power supply electric quantity is smaller than the preset electric quantity threshold, the second indicator light is lightened; when the standby power supply electric quantity is greater than or equal to the preset electric quantity threshold, the second indicating lamp is extinguished. According to the scheme provided by the embodiment of the invention, the power-on operation can be carried out without getting off the vehicle in the prior art.

The invention relates to the technical field of polypropylene, and discloses a plastic product based on polypropylene and a production method thereof. The plastic product comprises the following raw materials: polypropylene, a flame retardant synergist, a high temperature resistant component, a filler, a lubricant, a dispersant, and an antioxidant; wherein the flame retardant synergist is prepared by introducing a nitrogen-phosphorus flame retardant on the surface of boehmite, and can form an inorganic-organic composite flame retardant in a matrix, thereby effectively improving the flame retardant performance of the plastic product; and the high temperature resistant component is obtained by chemically connecting bicyclo[2.2.2]octane-1,4-dicarboxylic acid to the structure of methyl vinyl silicone rubber, and utilizing a large number of silicon oxygen bonds and rigid ring structures in the structure, thereby giving the plastic product excellent high temperature resistance, extending the service life of the plastic product, and being able to meet the use requirements of the plastic product in various environments.

The invention discloses a wind power generation cable anti-scour device, and relates to the technical field of wind power generation, the wind power generation cable anti-scour device comprises a cable body and a sediment layer, a protection mechanism is installed on the outer wall of the cable body, the protection mechanism and the cable body are jointly buried in the sediment layer, and a top plate is arranged at the top of the protection mechanism. The top plate covers the surface of the sediment layer, and a sediment discharging mechanism is arranged at the top of the top plate. By arranging the protection mechanism, the outer wall of the cable body is quickly wrapped and clamped, the cable mounting and embedding efficiency is improved, the protection mechanism and the cable body are embedded into a sediment layer after being clamped, damage of pressure in sediment to the cable body is reduced through a clamping plate, the top of the cable body is protected through a top plate, and the cable mounting and embedding efficiency is improved. By means of the arc-shaped structure at the top of the cover plate, downward pressure is generated when water flows on the surface of the cover plate, the position of the cable body is stabilized, and the corrugated plate pushes the water to flow towards the upper surface of the cover plate to clean the upper surface of the cover plate.

The utility model provides a multifunctional sealing element testing device. The device comprises a pressure test chamber and a safety monitoring pressure relief assembly, the pressure test chamber comprises an upper die holder and a lower die holder which are detachably clamped, the lower die holder is integrally formed with a medium cavity and is filled with a liquid or gas test medium, and a to-be-tested sealing ring is placed in a sealing groove in the periphery of the cavity; an air inlet and an air outlet in the upper portion of the medium cavity are sequentially connected with a first pipe connector, a copper pipe, a second pipe connector, a first valve block, a third pipe connector and a second valve block, a pressure gauge and a pressure sensor are arranged on the top of the first valve block, the lateral ball valve is a first-stage pressure relief opening, the second valve block is provided with a thermometer and a temperature sensor, and the ball valve on the other side forms a second-stage pressure relief opening. Therefore, temperature-pressure dual-redundancy monitoring and graded pressure relief are realized. The device is compact in structure and easy and convenient to assemble and disassemble, high-temperature corrosive medium and high-pressure coupling loading can be completed in a single platform, data can be collected in real time, and the safety and efficiency of reliability evaluation of the sealing element are remarkably improved.

This invention provides a sterile docking device for fermenters and culture medium containers. Through valve switching control, it perfectly adapts to the entire process of "sterilization inside the fermenter – steam discharge through the exhaust port – medium transport through the inlet and outlet," achieving seamless connection between each stage. A dedicated exhaust port, in conjunction with a waste gas treatment unit, ensures the directional discharge and effective treatment of sterilizing steam, preventing impurities in the steam from impacting the environment. A sealing module prevents external bacterial intrusion, improving sterility and ensuring no leakage during medium flow. A quick-connect clamp assembly allows for rapid connection of the connecting seat and the elastic sealing seat, reducing assembly time and improving efficiency. The waste gas treatment unit effectively removes harmful substances from the waste gas, and an emission monitoring device ensures that waste gas emissions meet standards, reducing environmental pollution and threats to operator health.

The utility model discloses a polishing device for wear-resistant flat glaze ceramic tiles, which relates to the technical field of ceramic tile polishing, and comprises a polishing structure, a fixed plate and a rotating shaft rotationally arranged in the fixed plate, the dust collection structure comprises a sealing piece movably connected to the surface of the rotating shaft, a dust collection assembly fixed to the sealing piece, and an auxiliary assembly fixed to the surface of the rotating shaft and located in the sealing piece; the sealing piece comprises a left sealing shell rotating on the surface of the rotating shaft and a right sealing shell rotating on the surface of the rotating shaft. According to the utility model, the dust absorption amount is increased through the dust absorption taper holes, the dust amount in the air around the working environment is reduced, and the dust attached to the surface of the ceramic tile can be reduced, so that the surface quality of the polished ceramic tile is improved, the suspension amount of the dust in the working environment is reduced, and the threat of the dust to the health of operators is reduced.

The utility model discloses a photovoltaic module cutting skiing device, which belongs to the field of photovoltaic technology and comprises two cutting rib fixing clamps and at least one cutting rib, the two cutting rib fixing clamps are mounted at two transverse ends of a lower side frame of a photovoltaic module, the at least one cutting rib is fixed between the two cutting rib fixing clamps, and each cutting rib fixing clamp is provided with a fixing column. The fixing column is located in the lower side extending direction of the photovoltaic module and protrudes upwards, the end of the cutting rib is fixed to the fixing column, a longitudinal gap is formed between the cutting rib and a lower side frame of the photovoltaic module, and a height gap is formed between the cutting rib and the lower side extending plane of the surface of the photovoltaic module. And the cutting rib is matched with the cutting rib fixing clamp and the lower side frame of the photovoltaic module to cut accumulated snow sliding from the surface of the photovoltaic module. Compared with an original mode that one photovoltaic assembly is provided with one snow blocking clamp, the snow blocking clamp can reduce the impact range of accumulated snow on the ground, and reduce the threat of the impact of the accumulated snow on temporary buildings and passersby.

The utility model provides a kind of fireproof gate for material storage, it is related to material storage fire safety field, it includes reel box and curtain plate, the both sides of curtain plate are matched with sealing assembly, sealing assembly includes guide rail, guide rail is fixedly installed at the bottom end of reel box, guide rail inside is provided with guide frame, the side close to curtain plate of guide frame is fixed with sealing rubber strip, fireproof gate for material storage further includes linkage assembly;Linkage assembly includes rotating shaft that is rotatably installed on guide rail, one end of rotating shaft is fixedly connected with first screw rod, first screw rod is transversely arranged and is screwed with guide frame, the other end of rotating shaft extends to the outside of guide rail and is coaxially fixed with gear, gear is engaged with rack, rack is vertically arranged and is fixedly connected with support rod at bottom, the lower end of support rod is fixedly connected with moving frame;The side of moving frame is below curtain plate.The utility model solves the technical problem that the gap between the existing fireproof gate and door frame is reserved, which causes smoke to easily penetrate.

The invention belongs to the technical field of planting and maintaining, and particularly relates to nanmu planting and maintaining equipment and a working method. The nanmu planting and maintaining equipment comprises a vibration collecting device and a harvester body, the harvester body comprises a moving trolley, and staggered annular blades are arranged on the outer ring faces of a first smashing wheel and a second smashing wheel; therefore, the weeds and eggs carried by the weeds can be crushed during rotation and fall into the soil broken by the soil breaking block through the discharge port formed in the protective shell, so that the propagation risk of the eggs can be remarkably reduced, the threat of diseases and insect pests to crops is reduced, and meanwhile, the yield of the crops is improved. A piston piece moves along the guide of a fixed rectangular block of an inner cavity of a piston barrel, and at the moment, available nutrients such as liquid nitrogen stored between the piston piece and the piston barrel can be extruded to crushed weeds between a first crushing wheel and a second crushing wheel, so that a sufficient nitrogen source is provided for microorganisms, and the decomposition of the weeds is further promoted; further, the fertility and the structure of the soil can be improved.

The present application provides a forest lightning fire monitoring method and system based on artificial intelligence, which relates to the field of computer data intelligent analysis technology. The method includes: obtaining a sensor monitoring data group for a forest area; extracting the atmospheric electric field time series characteristics corresponding to the atmospheric electric field instrument data based on a long short-term memory network module; constructing a lightning graph structure, updating the node characteristics of each node in the graph structure based on a graph neural network to construct a lightning feature matrix; processing regional monitoring images based on a convolutional neural network to extract an image feature matrix; inputting the atmospheric electric field time series characteristics, the lightning feature matrix, and the image feature matrix into a lightning fire recognition model to determine whether there is a lightning fire risk in the forest area, and the lightning fire recognition model adopts a multimodal fusion deep learning model. As a result, the comprehensive analysis of lightning events and the dynamic monitoring of fire conditions are enhanced, and the efficiency of fire risk identification and early warning and the speed of emergency response are greatly improved.

The utility model relates to the technical field of doors and windows, in particular to a fireproof aluminum alloy door and window, which is characterized in that two ends of a frame are of inclined plane structures and are spliced with each other, grooves are arranged at two ends of the frame, L-shaped reinforcing plates are arranged in the grooves, a mounting groove is arranged on the inner side of the frame, a fireproof sealing strip is arranged in the mounting groove, and the fireproof sealing strip is arranged in the mounting groove. A plurality of cavities are formed in the frame, the cavities are filled with heat insulation blocks, the cavities are formed in the frame and filled with the heat insulation blocks, fireproof sealing rubber strips and intumescent fireproof coatings are matched, and flame and heat spreading is effectively blocked from multiple aspects. Flame can be prevented from penetrating doors and windows for a long time, smoke entering a room is reduced, more escape time is won for indoor personnel, and threats of fire to life and property safety are reduced. For example, in a high-rise building, the door and window with the good fireproof performance can effectively prevent fire from spreading among floors, and the safety of personnel of the whole building is guaranteed.

The invention discloses application of a modified Cyt2Aa gene in improving insect resistance of wheat, and belongs to the technical field of molecular breeding. The invention discloses that the modified Cyt2Aa gene mCyt2AaOE is transferred into the wheat through a genetic engineering means for the first time, and the mCyt2AaOE is over-expressed in the wheat, so that the wheat is synthesized to resist hemiptera pest toxin Cyt, the wheat obtains hemiptera pest resistance, the threat of pests to the wheat is reduced, and the quality of the wheat is improved; a new thought is provided for directionally breeding a high-quality new wheat strain by utilizing a genetic engineering means.