28results about How to "Spread fast" patented technology

The invention discloses an optical measurement segmental arc correlation method based on probability expression, and the method comprises the steps: obtaining an initial orbit feasible region of a segmental arc through an admissible domain, carrying out the uniform distribution discrete sampling of the admissible domain, and describing the uncertainty distribution of the initial orbit of the segmental arc through a Gaussian mixture model. The uncertainty distribution and propagation of the orbit are described in a corrected spring equinox orbital element space, and the state transition tensor of a gravity potential model of any order is applied, so that the precision and speed of orbit uncertainty propagation are improved. In combination with a Gaussian mixture model and a state transition tensor, sparse sampling points are used as component mean propagation dense sampling points of the Gaussian mixture model, and uncertainty distribution of the initial orbit of the arc section is propagated to a common moment. And giving a definition of association probability measurement, calculating the association probability measurement by utilizing a probability density function of track distribution of the segmental arc at the public moment, and carrying out association judgment on the optical measurement segmental arc based on probability expression.

The invention discloses a carrier synchronization method for a parallel converter sharing an AC / DC bus, and the method comprises the steps: employing a layout of one main device, one standby device and multiple slave devices, enabling the main device to transmit a synchronization signal when the main device is normal, and enabling the standby device and the slave devices to receive the synchronization signal; arranging an optical fiber transmitter and an optical fiber receiver on each device; the carrier synchronization method of the multiple parallel converters comprises the following steps: in a normal mode, when carrier counting of an EPWM1 register in a main equipment DSP reaches 0, a synchronization signal is generated, and carriers in an EPWM2-EPWM6 register in the main equipment DSP receive the synchronization signal internally; the synchronizing signal is led to a GPIO pin through an Output X-BAR register in the DSP of the master device, then an electric signal is converted into an optical signal through an optical fiber transmitter in the master device, and the optical signal is sent to the standby device and the slave device.

The invention belongs to the technical field of engines, and discloses a rotary detonation combustion chamber which comprises a combustion chamber body, the combustion chamber body comprises a combustion chamber shell composed of an inner sleeve structure and an outer sleeve structure, a fluid channel is formed in the combustion chamber shell, and the inlet end of the fluid channel is a combustion chamber air inlet; the fluid channel comprises a combustion chamber throat section, a first expansion section, a U-shaped groove section, a second expansion section and a combustion chamber downstream straight section which are sequentially arranged. One end of the combustion chamber throat section communicates with the combustion chamber air inlet. And the U-shaped groove section comprises a U-shaped groove fillet section and a U-shaped groove straightway section which are arranged in sequence. The whole U-shaped groove fillet section is of a topological fluid diode structure, and one end, close to the first expansion section, of the topological fluid diode structure is of an arc-shaped structure. The topological fluid diode structure provides a new view angle and a new solution for optimization of the combustion chamber, and design and development of the more efficient and more stable combustion chamber are promoted.

The invention discloses pest control equipment applied to forestry trees, and relates to the technical field of forestry pest control. The device comprises a base, supporting columns are fixedly connected to the corners of the upper side of the base, a control box is fixedly connected to the upper sides of the four supporting columns, an insect trapping medicine containing basket is arranged at the top of the inner wall of the control box, an insect trapping lamp is arranged below the insect trapping medicine containing basket, and a barrel-shaped power grid is rotationally matched with the inner side of the control box. According to the pest trapping device, the rotating barrel-shaped power grid captures pests in contact with the barrel-shaped power grid, the situation that small pests escape through gaps is reduced through the rotating barrel-shaped power grid, and therefore the pest trapping effect is improved, when the motor drives the barrel-shaped power grid to rotate, the second transmission assembly drives the air blowing assembly to be started in the ventilation hole, and the pest trapping effect is improved. And air can be blown to the attractant in the attractant placing basket, so that the spreading speed of the smell of the attractant in the attractant placing basket is accelerated.

The invention discloses an ultrathin glass forming device which comprises a runner, baffles and a vertical plate, a feeding bowl is arranged in the runner, a feeding pipe is arranged at the bottom end of the feeding bowl, a forming plate is fixedly connected between the two baffles, one end of each baffle is fixedly connected with a connecting plate, a penetrating opening is formed in the lower portion of the vertical plate, and an arc groove is formed in the vertical plate. According to the device, by means of the gravity of molten glass feeding flow, the molten glass feeding flow is automatically flattened on the top face of the forming plate, temperature regulation and control are conducted on the forming plate and a flattening area glass belt on the forming plate through the platinum electrode and the platinum piece, the temperature of the forming plate is adjusted, the temperature of the forming plate is adjusted, and the temperature of the forming plate is adjusted. According to the device, the forming plate is arranged, so that the spreading speed of the glass tape in the flattening area and the thickness uniformity of the glass tape in the flattening area are improved, the dip angle of the forming plate can be quickly and conveniently adjusted by pushing the connecting plate upwards, the glass tape in the flattening area forms an overflow effect at the top of the corrugated groove due to the arrangement of the corrugated groove, and the forming quality of molten glass is further improved.

The application discloses a hot water boiler based on a porous medium burner, which comprises a hot water boiler shell, wherein the hot water boiler shell comprises a boiler barrel, the outer side of the boiler barrel is provided with a water jacket for storing water, and the inside of the boiler barrel is fixedly provided with a porous medium burner; the inner cavity of the porous medium burner comprises a combustion reaction zone, the two ends of the combustion reaction zone are provided with anti-backfire areas, the two ends of the porous medium burner are provided with mixed gas inlets, the mixed gas inlets are connected with mixed gas input pipelines, one end of the mixed gas input pipelines extends out of the hot water boiler shell and is connected with a gas fuel supply device; the porous medium burner is internally provided with an ignition device, mixed gas flows into the combustion reaction zone from the mixed gas input pipelines and is ignited by the ignition device, heat generated by combustion of the mixed gas heats water in the water jacket, flue gas is discharged from the combustion reaction zone through the pores of the porous medium of the porous medium burner and is discharged into a flue gas treatment mechanism connected with the hot water boiler shell, the gas utilization rate is improved, and the heat diffusion speed is slowed down.

The invention discloses the technical field of gas turbines, particularly relates to a nozzle combustor applied to a combustion chamber of a gas turbine, and aims to solve the problems that in the prior art, the gas turbine is difficult to stably combust at low emission under high-temperature and wide-load working conditions, and meanwhile, the cooling efficiency of a nozzle is relatively low; the nozzle structurally comprises an on-duty stage nozzle, a main combustion stage nozzle, a fuel rectifying plate and a nozzle upper cover plate, wherein the main combustion stage nozzle is positioned on the outer side of the on-duty stage nozzle; a mixture sprayed by the main combustion stage nozzle directly penetrates through a combustion area of the nozzle combustor; the fuel rectifying plate and the nozzle upper cover plate are wrapped to form an upper fuel cavity, the on-duty stage nozzle and the main combustion stage nozzle are communicated with a combustion area of the nozzle combustor through the nozzle upper cover plate, and fuel in the upper fuel cavity is in direct contact with the nozzle upper cover plate for heat exchange.

This invention discloses a hydrogen-ammonia fuel injector with a swirling structure. The injector includes a fuel injector housing, an ammonia inlet assembly, an electronic control assembly, a valve assembly, an air intake assembly, and an injection assembly. The injection assembly includes an injector housing, a hydrogen-ammonia interface, a fixed sleeve, a flow pipe, a sliding sleeve, a fixing block, a return spring, and a return assembly. Swirling vanes are installed inside the flow pipe, forcing liquid ammonia and hydrogen into a high-speed swirling state. Centrifugal force and shear force are used to achieve uniform mixing of the two phases, forming a homogeneous hydrogen-ammonia fuel mixture. Combined with the hyperboloidal outlet channel at the bottom of the flow pipe, the injection flow pattern is organized, achieving an integrated function of "hydrogen premixing - forced swirling mixing - injection flow pattern organization." This fundamentally solves the combustion instability problem caused by uneven mixing, significantly improves the uniformity of the hydrogen-ammonia fuel mixture, and, combined with the flow pattern organization effect of the hyperboloidal outlet, effectively improves combustion stability and fuel utilization, reducing NOx emissions and ammonia slip.

The utility model relates to a kind of porcelain tunnel kiln production line, wherein porcelain tunnel kiln production line includes the tunnel kiln main part for firing porcelain and the multiple energy-saving efficient combustors of interval arrangement along the length direction of tunnel kiln main part being arranged on tunnel kiln main part, energy-saving efficient combustor includes outer sleeve, inner tube of insertion in outer sleeve and branch pipe of being arranged in the gap between outer sleeve and inner tube, the first side of the outer sleeve is equipped with the first inlet of the air into gap, the first end of the inner tube has the second inlet of the natural gas into, the first end of the branch pipe has the third inlet for the hydrogen gas containing into, the middle part of the inner tube is equipped with the fourth inlet of the second end port communication of branch pipe, the wall of tunnel kiln main part is equipped with channel, energy-saving efficient combustor is arranged in channel, and this porcelain tunnel kiln production line uses energy-saving efficient combustor, it is favorable to improve its combustion efficiency, reduce combustor use cost.

The invention discloses a glass fiber composite material metro cleaning type ventilation double-leaf protective air-tight door which comprises a door frame and door leaves. The door frame is fixed to a first civil air defense door frame wall of a cleaning air duct, the door frame serves as a basic support, the door leaves made of double SMC materials in a mold pressing mode are connected through the split hinges, and rotary opening and closing of the door leaves are achieved. A small electric protective air-tight door is arranged on the inner side of the door leaf, a rubber pipe valve is arranged on the outer side of the door leaf, and an oil screen dust filter is arranged between the small electric protective air-tight door and the rubber pipe valve; a lock is further fixed to the inner side surface of the door leaf, a lock hole is formed in the corresponding position of the door frame, and a lock head of the lock is inserted into the lock hole of the door frame. And a positioning jack is arranged at the end part of the outer side of the door leaf. According to the door body, glass fiber composite materials are adopted as door leaf materials, wave absorption is achieved through a rubber pipe valve, protection and sealing are enhanced through a small electric protection sealing door, and clean type light ventilation and protection in wartime are achieved.

The utility model discloses a kind of combustion device and combustion system, comprising: hearth, hearth provides space for material combustion;Primary air chamber, primary air chamber is used to form primary air;Air distribution plate, hearth is communicated with primary air chamber by air distribution plate;Ammonia gas pipeline, ammonia gas pipeline is located in hearth and close to air distribution plate;Ammonia gas air cap, ammonia gas air cap is used to communicate ammonia gas pipeline and hearth, and the gas in the hearth is guided, the surface of ammonia gas air cap has ammonia cracking catalyst layer, ammonia cracking catalyst layer can at least part of ammonia gas that passes through ammonia gas air cap is cracked into nitrogen and hydrogen. Since the minimum ignition energy of hydrogen is lower than that of ammonia and the combustion temperature is high, hydrogen is more easily combusted than ammonia, which can improve the combustion characteristics in the hearth and enhance the effect of ammonia combustion, thereby reducing ammonia escape, while allowing more ammonia to react with nitrogen oxides, achieving the purpose of inhibiting the formation of nitrogen oxides.

The application provides a kind of smart glasses, it is related to smart wearable device technical field.The smart glasses include: glasses frame and two legs, each leg includes shell, multiple antenna radiators and electric control components, shell is hinged with glasses frame, multiple antenna radiators are distributed along the length direction of shell, electric control components are electrically connected with multiple antenna radiators respectively, and electric control components are configured to control at least part of work in multiple antenna radiators.The smart glasses provided in the application, antenna radiator can be used as the support structure of shell, while ensuring the structural strength of leg, improve the available space of antenna radiator in the smart glasses, so that the shape and size of antenna radiator can be flexibly adjusted, and the antenna radiator is also provided as multiple, which is beneficial to the smart glasses to cover more working frequency bands, expand the signal coverage range of smart glasses, and improve signal transmission speed.

The utility model belongs to the field of building decoration, and particularly provides a multifunctional wall body for indoor decoration, which comprises an inner wall body and an outer wall body, the inner wall body and the outer wall body are arranged in parallel, an air layer is arranged between the inner wall body and the outer wall body, the inner wall body is provided with a through hole, the multifunctional wall body further comprises an alarm mechanism, and the alarm mechanism comprises a sleeve and a sound conductor. The sleeve is fixedly installed in the through hole, one end of the sound conductor is in threaded connection with the sleeve, and the other end of the sound conductor is connected with or disconnected from the outer wall body under the screwing of the threads. Through the arrangement of the air layer and the alarm mechanism comprising the sleeve and the sound conductor, the sound conduction performance between the inner wall body and the outer wall body can be changed, on one hand, the sound insulation and fire prevention effects of the wall body can be improved, and on the other hand, when an accident occurs, the wall body can be knocked to call for help.

The present invention discloses a heavy-duty natural gas engine combustion system, including a cylinder and a cylinder head covering the cylinder, a composite intake duct composed of a vortex intake duct and a straight tumble intake duct is arranged on the cylinder head and is connected to the inside of the cylinder through an intake valve equipped with an intake valve, the intake valve is installed on the valve seat, the intake valve is located in the entire valve seat, two exhaust duct inlets are connected to the inside of the cylinder through exhaust valves installed on the cylinder head, a spark plug device is installed at the center of the bottom surface of the cylinder head, a steel piston is arranged in the cylinder head, the bottom surface of the cylinder head, the inner wall surface of the cylinder and the top surface of the piston form a space as a constricted combustion chamber, and the gas supply and injection system are respectively installed on the two intake ducts or the bottom surface of the cylinder head. The present invention has a simple and compact structure, is easy to manufacture and assemble, and while using a steel piston to achieve low heat dissipation, can also form an oblique axis vortex around the central axis of the cylinder through the composite intake duct to increase the turbulent kinetic energy in the cylinder, thereby improving the thermal efficiency.

The utility model relates to a disturbance type medicament adding device, and aims to solve the problems that the medicament cannot be quickly mixed with sewage and is spread through flowing of the sewage at a water inlet due to the fact that the medicament is added into the sewage by a current medicament adding pump, the spreading speed of the medicament is reduced when water feeding is stopped, and the sewage cannot be quickly mixed with the sewage. The sewage treatment device comprises a support, a stirring mechanism used for stirring sewage is fixedly installed at one end of the support, a chemical adding mechanism matched with the stirring mechanism for chemical adding is fixedly arranged at the top end of the support, and the stirring mechanism comprises a driving mechanism and two transmission shafts connected to the driving mechanism; the bottom ends of the two transmission shafts are fixedly provided with stirring blades, and the dosing mechanism comprises a dosing device and a pipeline communicated with a discharge port of the dosing device, so that a medicament can be quickly mixed with sewage, the propagation speed of the medicament in the sewage is increased, and the treatment effect of the medicament on suspended matters in the sewage is guaranteed.

The application discloses an engine combustion control method, and relates to the technical field of engine control, which comprises the following steps: obtaining a current intercooled mixture temperature at an outlet of an intercooler; when the current intercooled mixture temperature is less than a preset temperature threshold, controlling engine coolant to flow into the intercooler through a heating passage to heat the mixture in the intercooler by using the engine coolant; determining a target ignition angle corresponding to the current intercooled mixture temperature from a preset mapping relationship between the intercooled mixture temperature and the ignition angle based on the current intercooled mixture temperature; and controlling an ignition device to perform an ignition action based on the target ignition angle. The application actively heats the low-temperature mixture by using the engine coolant and synchronously corrects the ignition angle, thereby improving the mixture atomization quality and the combustion rate under a low-temperature working condition, improving the combustion stability, and improving the thermal efficiency of the engine.

The utility model relates to the technical field of heaters, in particular to a heat exchange structure of a heater. The flow channel comprises a first C-shaped structural part and a second C-shaped structural part which are connected, opposite channel grooves are formed in the first structural part and the second structural part respectively, the channel grooves in the first structural part and the second structural part form a double-layer flow channel, channel connectors are arranged at the upper end and the lower end in the second structural part respectively, and the two channel connectors are connected into the channel grooves of the second structural part respectively. The two channel connectors are connected; the device is formed by metal plates, production is simple and efficient, materials are evenly distributed, and compared with die casting of an old technology, the device is thin in material thickness, high in heat exchange efficiency, high in heat transmission speed, high in iron melting point, durable and low in production cost; according to the device, the double-layer flow channel is used, so that the temperature difference is naturally generated in the heat exchange process, the air flow is strong, the heat exchange distance of flue gas is long, and the heat utilization rate is high; when the device is used, combusted gas is separated from external air, waste gas is forcibly exhausted, and poisoning is avoided.

The invention discloses a two-stage heat pump drying system and method for hydrogen-driven coupling rotary wheel dehumidification. A hydrogen fuel supply system of the two-stage heat pump drying system comprises an upstream hydrogen fuel system and a downstream hydrogen fuel system. The hydrogen engine driving system comprises a hydrogen engine, a belt pulley, a coupler, a gearbox, a water pump and a flue gas heat exchanger. The two-stage compression heat pump system comprises a low-pressure-stage compressor, a high-pressure-stage compressor, an intercooler, a liquid storage device, an auxiliary condenser, a main condenser, an evaporator, a throttling valve, a one-way valve and an electronic expansion valve. The rotating wheel dehumidification system comprises a dehumidification rotating wheel, a total heat exchanger, a regeneration fan, a dehumidification fan and a drying box. The system is stable and efficient in operation, full utilization of waste heat is achieved, the energy utilization rate is increased, energy conservation and emission reduction are achieved, power consumption is reduced, and the service life is prolonged. Independent temperature and humidity control can be achieved, the heating efficiency and the drying rate in a low-temperature environment are improved, the dew point temperature of dehumidified air is increased, and the drying effect is improved.

The invention relates to the technical field of ink-jet ink, and discloses low-refractive-index high-transparency UV ink-jet ink and a preparation method thereof.Fluorine-containing alkenyl zwitterionic monomers obtained through substitution, condensation, quaternization and other reactions are polymerized with UV curing resin prepolymer under the action of a photoinitiator, and pigment, auxiliaries and the like are added to prepare the ink-jet ink; the electronegativity of fluorine atoms is great, and the polarizability is small, so that the propagation speed of light in the ink is accelerated, and the refractive index is relatively low; the fluorine-containing alkenyl zwitterionic monomer can increase the compatibility between the pigment and a solvent, and can form a layer of protective film around pigment particles to prevent the pigment particles from getting close to each other and aggregating, so that the transmittance of the ink is further improved; the prepared UV ink-jet ink is excellent in tensile strength, water resistance, wear resistance, adhesiveness and weather resistance, meets the industrial requirements of ink, and is suitable for ink-jet printing in various fields.

The invention relates to an SPM workbench support frame capable of automatically adjusting the horizontality, and belongs to the technical field of leveling workbenches of experimental instrument. The support frame comprises a metal frame, which is a rectangular structure. A set of pneumatic adjustment mechanisms is fixedly arranged on each corner of the metal frame; each set of pneumatic adjustment mechanisms comprises a pneumatic rod device, a height sensor and a linkage control system, and the pneumatic rod device comprises an upper column, a gas rod and a lower column from top to bottom, the upper column is connected to a corner of the metal frame, and the upper column and the lower column are connected through the gas rod; the height sensor is arranged on the edge of the metal frame near the column, and is used for measuring the distance between the height sensor and the ground in real time and outputting it to the linkage control system in the form of a digital signal; the linkage control system generates a controllable torque according to the digital signal to act on the gas rod, driving the upper column to rise or fall to a corresponding height, thereby realizing automatic adjustment of the horizontality of the support frame.

The application provides a high-compression-ratio ethanol fuel gasoline engine combustion system and a control method thereof, wherein the system comprises: a high-compression-ratio combustion structure with a compression ratio of 14-15, the combustion structure comprises a piston top with an omega-shaped shallow pit structure, and the surface of the piston top is provided with a silicon nitride ceramic coating; a cold start enhancement system comprising a PTC ceramic heating module and a high-energy ignition device; a fuel injection system comprising a high-pressure common rail system and a multi-hole swirl oil injector; and a control system comprising an ECU control unit and a UEGO wide-range oxygen sensor. The high-compression-ratio ethanol fuel gasoline engine combustion system and the control method thereof can realize high thermal efficiency, reliable start at low temperature, stable combustion and low emission.

The utility model discloses a folding towel rack, including the frame body, the frame body cooperation has heat source subassembly and adjustment baking assembly, the heat source subassembly includes baking ring disc, the bottom of baking ring disc is installed with cross, the center place of cross is connected with the adaptation of draw bar and is matched with the protection frame of spherical surface sliding cooperation of the end surface fixed connection of cross has side bead, the outside fixed of protection frame has the support card seat, the adjustment baking assembly includes the capillary branch pipe of communication with the center of baking ring disc, through the cooperation of frame body and heat source subassembly, adjustment baking assembly, make the towel can quick baking, and install cross in the bottom of baking ring disc, let cross and adaptation draw bar joint installation, can let the bather end bath after, manual rotation adaptation draw bar, cross can drive baking ring disc synchronous rotation, and caused the air disturbance of baking ring disc vicinity, and then improved the heat flow propagation speed of baking ring disc.

The utility model relates to a distributed propelling system driven by pulse detonation, which combines the advantages of high propagation speed, self-pressurization, low entropy increase and the like of pulse detonation combustion with the advantage of high propelling efficiency of the distributed propelling system, and compressed air of an outer culvert fan participates in pulse detonation combustion in a working medium transmission pipeline. High-temperature and high-pressure fuel gas is formed to impact a propelling turbine in the distributed propeller to do work, and then a ducted fan is driven to generate thrust. The development difficulty of high-energy-density energy storage equipment and a super-power motor in a pure / hybrid electric type distributed propulsion system is effectively avoided, and the problems that in a mechanical transmission type distributed propulsion system, a transmission structure is complex in design, and mechanical structures are constrained are solved. And meanwhile, the problems of flow loss, low heat regeneration efficiency and the like in a pipeline and a heat regeneration device in a heat regeneration type working medium driving distributed propulsion system are solved. The turbine output work is greatly improved, the limit bypass ratio of the distributed propulsion system is further expanded, and the oil consumption rate is reduced.

The utility model relates to a laser-induced acoustic imaging mechanism and underwater detection equipment, and the laser-induced acoustic imaging mechanism comprises a laser emission assembly, a focus lens array, a collection assembly and a control assembly. After laser beams are generated by using the laser emission assembly, the laser beams are converted into acoustic laser beams according to switch structures of the focus lens array, a sound field is generated, echo signals are collected through the collection assembly, the echo signals are further analyzed through the control assembly, detection information of the underwater environment is obtained, and the underwater environment is judged. The acoustic wave propagation speed in water is relatively high, the propagation range is wider, and the underwater environment influence is small, so that the underwater environment can be accurately detected, and the underwater environment can be comprehensively detected.

This invention relates to the field of mineral processing technology, specifically to a continuous controllable shock wave ore crushing device and its operating method. The crushing device includes a feeding unit, an ore pre-cracking unit, a fine powder washing unit, a controllable shock wave crushing unit, and a washing and discharging unit integrated into a rotary crushing chamber. The feeding unit continuously feeds the ore through a feed pipe; the ore pre-cracking unit uses hydraulically driven extrusion rollers to pre-crack the ore, forming internally water-filled micro-cracks in water; the fine powder washing unit promptly separates and discharges the fine particles generated by pre-cracking using inclined water flow; the controllable shock wave crushing unit generates shock waves to crush the ore through needle-plate electrode discharge; and the washing and discharging unit flushes the crushed products to the central discharge hole using high-pressure water flow. This invention achieves highly efficient and selective crushing of ore, and has outstanding advantages such as compact structure, continuous operation, low energy consumption, and minimal over-crushing.

The present invention relates to a dual-resonance cavity solid acoustic sensor device, including a dual-resonance cavity solid acoustic sensor, the dual-resonance cavity solid acoustic sensor includes an outer resonant cavity and an inner resonant cavity, the outer resonant cavity is sleeved on the outer side of the inner resonant cavity, a plurality of side ejectors are fixed at equal intervals on the side wall of the outer resonant cavity, the heads of the side ejectors are in contact with the outer surface of the side wall of the inner resonant cavity; an ultra-low frequency vibrator and a medium-high frequency vibrator are arranged in the inner resonant cavity; the ultra-low frequency vibrator includes a first piezoelectric ceramic sheet and a single cantilever spring, the first piezoelectric ceramic sheet is fixed in the inner resonant cavity at a single point through the cantilever spring; the medium-high frequency vibrator includes a second piezoelectric ceramic sheet, an ejector and a plurality of vibration conduction springs, the second piezoelectric ceramic sheet is fixed in the inner resonant cavity at multiple points through the vibration conduction spring, and the needle head of the ejector passes through the inner resonant cavity and pushes on the second piezoelectric ceramic sheet. The present invention can effectively pick up space and solid propagation sound, has a wide frequency response range, and has extremely high sensitivity to sound signals in low, medium and high frequency bands.

The invention provides an intelligent manuscript issuing system and method, and belongs to the field of intelligent pushing. The problem of low manuscript pushing efficiency is solved; the method specifically comprises the following steps: a manuscript acquisition module acquires a to-be-pushed manuscript; the manuscript processing module is aligned with the pushed manuscripts for primary classification, and preferential manuscripts are extracted; performing secondary classification on the pushed manuscripts to obtain interested manuscripts; adding a picture to the interested manuscript according to the content in the interested manuscript to obtain a manuscript to be pushed; the manuscript promotion module is combined with the manuscript to be pushed to calculate the additional supplement amount of the manuscript to be pushed; acquiring page views of different types of manuscripts of each user, calculating acceptance values of the different types of manuscripts of each user, and pushing the manuscripts to be pushed; the manuscript updating module updates the original manuscript data and pushes the manuscript; according to the method, the manuscripts are acquired, screened, classified and pushed, so that the user can read the high-quality manuscripts.

This utility model discloses an integrated oxygenation and drug dispensing machine for treating aquatic diseases, specifically relating to the field of aquaculture equipment technology. It includes a main board, a fixed shell fixedly connected to the top of the main board, a fixed pipe fixedly connected to the top of the fixed shell, and a drug inlet pipe fixedly connected to the top of the fixed pipe. A spraying mechanism, including a rotating pipe, is located at the bottom of the main board. This utility model releases microbubbles at the bottom through an aeration disc, causing an upward water flow. After the drug is stirred, dispersed, and atomized, it can better diffuse in the water along the water flow generated by the aeration disc. Simultaneously, the water flow carries oxygen-rich water and mixes thoroughly with the drug, enhancing the therapeutic effect on aquatic diseases and allowing dissolved oxygen to be more evenly distributed in the drug-containing water area, creating a more suitable living environment for aquatic organisms and improving the overall quality of the aquaculture environment.