Space engine thrust action line deflection correction device and method

The invention provides a space engine thrust action line deflection correction device and method. Firstly, a welding assembly device is adopted for welding a short body part of a spray pipe and an extension section, and it is ensured that thrust line deflection caused by welding is reduced; secondly, determining a mounting reference surface of the space engine, performing data sampling on the inner surface of the engine jet pipe under a global coordinate system of the space engine, and fitting thrust line angles and thrust line offset vector initial values of the inner surface and the mounting surface according to a data sampling result; and thrust line offset adjustment is carried out on the space engine which does not meet the installation requirement in the mode that an adjusting gasket is additionally arranged at an installation hole position. And the adjusted space engine is subjected to engine jet pipe inner surface data sampling under the global coordinate system again, and the thrust ...

连帽卫衣（十七）

休闲运动裤（十四）

音箱（回音壁音箱）

Real-time noise reduction method and device based on inter-frame filtering

The invention discloses a real-time noise reduction method and device based on inter-frame filtering. The method comprises the following steps: receiving original data of a target; detecting a target by using the original data, and calculating coordinate data of the target to determine a target area; performing inter-frame filtering on the original data, and determining filtered data; determining a motion scene of the target according to the filtered data and the target area; and carrying out format integration on the filtered data, and determining noise reduction data. According to the method, real-time inter-frame filtering is carried out on a high-frame-frequency and high-resolution video, and a sobel algorithm is applied to an inter-frame filtering algorithm, so that the image processing effect is ensured; the problem of image blurring in a motion scene of traditional image inter-frame filtering noise reduction is avoided, excellent noise reduction performance of a static image is considered ...

PROCESS AND SYSTEM FOR DRY COAL PREPARATION BY COAL GANGUE REMOVAL

Disclosed is a process for dry coal preparation by coal gangue removal, comprising the two steps of size classification and separation of raw coal above the screen: firstly a size classification is carried out to obtain a size range suitable for the market and then the raw material obtained is subjected to separation by using a sensor system (4), and coal blocks containing many impurities are blown into an impurity chamber (5) by high-speed compressed air. Also disclosed is a system for dry coal preparation by coal gangue removal, comprising a dry screening machine (1), a delivery chute (3) for raw coal above the screen, a sensor system (4), a control system (8), a nozzle (7) and shunting rooms (5, 6), wherein an end of the dry screening machine (1) is connected to a feed end of the delivery chute (3) for raw coal above the screen, the sensor system (4) is provided corresponding to a discharge end of the delivery chute (3) for raw coal above the screen, the shunting rooms (5, 6) are respectively ...

HIGH-CARBON CHROMIUM BEARING STEEL HEAT TREATMENT PROCESS

A heat treatment process for a high-carbon chromium bearing steel. The composition of the high-carbon chromium bearing steel comprises raw materials of the following mass percentages: C: 1.1%-2.2%; Mn: 0.1%-1.0%; B: 0.3%-1.3%; Ni: 0.1%-1.1%; Si: 1.1%-1.5%; Ti: 0.2%-0.5%; Cr: 3.5%-5.5%；Al: 0.15%-0.19%; Be: 0.1%-0.2%; and the remainder being Fe. The heat treatment method comprises the following steps: S1, annealing: a steel material is kept warm at 880-960 °C for 1-5 h, with the temperature being cooled at a rate of 40-60 °C/h to 700-800 °C, kept warm for 1-2 h, and then removed from a furnace for air cooling; S2: normalization: the temperature in the furnace is raised to 780-840 °C, the steel material is placed therein, kept warm for 2-4 h, and removed from the furnace for air cooling; and S3, carburization: the steel material is preheated to 120-180 °C and then undergoes a carburization treatment. The process allows a carbide to be further reduced in size and evenly distributed, the content ...

Multifunctional measuring tool for plane design

The utility model discloses a multifunctional measuring tool for plane design, comprising a base plate, the base plate is provided with a long groove, the right end of the long groove is hinged with a first ruler through a pin shaft, the first ruler comprises a ruler body, a ruler handle and an angle test rod, and the lower end of the angle test rod is provided with an angle plate with the pin shaft as the center of a circle. Angle values are displayed through scales on the angle testing rod and the angle plate, a second ruler is further arranged on the bottom plate and hinged to the side wall of the bottom plate through a hinge, a second supporting leg is arranged on the second ruler and connected with the second ruler in a sliding mode, and a paintbrush is fixed to the bottom of the second supporting leg. A first supporting leg is fixed to the bottom plate, a fixing needle is fixedly connected to the bottom of the first supporting leg, and the axis of the first supporting leg is parallel ...

High-sulfur-content gas well immovable string two-layer large-displacement partial-pressure, partial-test and combined-discharge transformation method

The invention belongs to the technical field of oil-gas field development, and particularly relates to a high-sulfur-content gas well immovable string two-layer large-displacement partial-pressure, partial-test and combined-discharge transformation method. The method comprises the thirteen steps of pigging, well washing and low perforation fluid replacement, fracturing tubular column lowering, packer setting and seal examining, perforation of a first target layer, fracturing of the first target layer, open flow liquid discharging and testing for production obtaining, plugging of the first target layer, perforation of a second target layer, fracturing of the second target layer, open flow liquid discharging and testing, bridge plug drilling and grinding and combined layer liquid discharging. The method of separate-layer fracturing, separate-layer testing and combined-layer commissioning fracturing is adopted, the purposes of two-layer large-displacement partial pressure, separate testing ...

Recombinant bacillus subtilis for producing sucrose isomerase and application thereof

The invention discloses recombinant bacillus subtilis for producing sucrose isomerase and application of the recombinant bacillus subtilis, and belongs to the field of genetic engineering and bioengineering. According to the invention, a sucrose isomerase gene from Pantoea dispersa is cloned and then transferred into bacillus subtilis for expression and production of sucrose isomerase, and a fermentation medium and fermentation conditions of a recombinant strain are optimized, so that the yield of sucrose isomerase of the recombinant strain in a 3L fermentation tank can reach 862.86 U/mL; the method is the highest enzyme production level of sucrose isomerase produced by the known food safety microorganisms at present. When the sucrose isomerase prepared by the invention is used for producing isomaltulose, when the pH is 6.0, the substrate is 400g. L <-1 > sucrose, the enzyme addition amount is 20U. G <-1 >, and the reaction is carried out for 10 hours at 30 DEG C, the maximum conversion ...

Grinding fluid recycling device and method

The invention discloses a grinding fluid recycling device and a recycling method thereof.The recycling device comprises a fluid collecting module and a process module, the fluid collecting module is used for recycling grinding fluid on a grinding pad and provided with a fluid collecting barrel, and the first water outlet end of the fluid collecting barrel is communicated with the second water inlet end of the fluid collecting barrel through a circulating pipe; a first circulating pump and a filtering assembly are sequentially arranged on the circulating pipe along a flowing path of liquid in the circulating pipe; and the process module is used for removing excessive deionized water in the recycled grinding liquid, the process module communicates with the second water outlet end of the liquid collecting barrel through a first conveying pipe, and the first water outlet end of the process module communicates with a liquid supply pipe used for conveying the grinding liquid to the grinding pad ...

Anti-falling protection equipment for climbing iron tower

The invention relates to power transmission line iron tower climbing operation, and belongs to the technical field of power transmission overhaul sites. Comprising a sliding force arm and a fixed force arm which are arranged in a right-angle mode, the sliding force arm and the fixed force arm are connected into a whole in a sliding mode through a limiting device, position adjustment of the sliding force arm and limiting after position adjustment are achieved through the limiting device, and a plurality of stroke distance holes are formed in the length direction of the sliding force arm and the length direction of the fixed force arm. The sliding force arm and the fixed force arm are both provided with fixed hooks capable of sliding in the length direction of the force arms, and the fixed hooks are provided with positioning mechanisms used in cooperation with the stroke distance holes. The anti-falling protection device is simple in structure, safe, reliable, flexible to adjust, stable to ...

METHOD AND DEVICE FOR SAVING POWER OF MOBILE TERMINAL

Provided are a method and device for saving power of a mobile terminal. The method includes: in a screen power-saving mode, acquiring a bitmap in a screen buffer of a mobile terminal; zooming out the bitmap in the screen buffer according to a pre-set scale; determining a display area of the screen according to the zooming-out scale of the screen resolution in the screen power-saving mode; and on the screen turning off the screen pixel points and/or backlight leaving the display area. The technical solution provided by the present invention can save the electricity consumption of a mobile terminal screen, and prolong the service time of a mobile terminal in a low-battery state.

Automatic assembly device for components of bolt connection structure

The invention relates to an automatic assembly device for components of a bolt connection structure, and belongs to the field of spaceflight liquid engine assembly and manufacturing. Comprising a PLC control system, an assembly A feeding mechanism, an assembly A positioning mechanism, an assembly B assembling mechanism, an assembly B positioning and locking mechanism, a bolt assembling mechanism, a gasket and nut feeding mechanism, a gasket and nut assembling mechanism and a visual detection device used for accurately adjusting the positions of the assembly A and the assembly B. Through coordination and cooperation of the visual detection device, the PLC control system and all the component mechanisms, automatic and accurate assembly of engine bolt connection type components can be achieved, the problems that in the current manual assembly process, the assembly efficiency is low, and the assembly consistency is poor are solved, and the automation level of liquid rocket engine production ...

Patient course generation method and device, electronic equipment and storage medium

The invention discloses a patient disease course generation method and device, electronic equipment and a storage medium, and the method comprises the steps: extracting disease course time information in patient data, and extracting disease course key information in the patient data based on a pre-configuration rule; determining disease course time information and disease course key information corresponding to the plurality of preset disease course information blocks based on a mapping relationship between the patient data and the plurality of preset disease course information blocks; and sequentially assembling a plurality of preset disease course information blocks based on the disease course time information, and displaying corresponding disease course key information under the assembled preset disease course information blocks. Compared with manual checking of patient data and screening of appropriate patients, the method can reduce the workload of recruitment personnel and reduce ...

Chamber structure suitable for cleaning waste in groove of grinding pad and cleaning method

The invention discloses a cavity structure suitable for cleaning waste in a grinding pad groove and a cleaning method.The cavity structure is internally provided with a cleaning cavity and a vacuum adsorption cavity which are independently arranged, and the outer wall of the cavity structure is provided with a cleaning cavity connector communicating with the cleaning cavity and a vacuum adsorption connector communicating with the vacuum adsorption cavity; the cleaning cavity connector is suitable for being connected with a cleaning device so that a cleaning medium can enter the cleaning cavity, the vacuum adsorption connector is suitable for being connected with a vacuum adsorption device so that the cleaning medium with waste entering the vacuum adsorption cavity can be sucked outwards, a lower concave cavity is further formed in the bottom of the cavity structure, and a bottom opening of the lower concave cavity is suitable for being sealed by the upper surface of the grinding pad; a ...

Temperature-controllable trigger type rosin resin capsule gel breaker and preparation method thereof

The invention discloses a temperature-controllable triggering type rosin resin capsule gel breaker and a preparation method thereof, and belongs to the technical field of exploration and development of petroleum and natural gas. Comprising the following steps: by taking abietic acid as a raw material, firstly carrying out ring-opening esterification reaction on the abietic acid and glycidyl methacrylate, then further carrying out double-bond polymerization reaction on the abietic acid and methacryloylethyl sulfobetaine to obtain temperature-controllable triggering type rosin resin, and finally physically blending the temperature-controllable triggering type rosin resin with a gel breaker to obtain the temperature-controllable triggering type rosin resin. The temperature-controllable triggering type rosin resin capsule gel breaker is obtained. The method is low in cost, and the stability of the gel breaker is improved.

Unmanned ship lockage identification method based on multiple sensors

The invention provides an unmanned ship lockage identification method based on multiple sensors. The unmanned ship lockage identification method comprises the following steps: S1, obtaining an obstacle in front of an unmanned ship based on a laser radar; s2, an unmanned ship front obstacle obtaining method based on a visual sensor; and S3, an unmanned ship lockage environment sensing method based on laser radar and visual sensor fusion. According to the method, two sensors are used for extracting effective obstacles in front of the unmanned ship, and obstacle information acquired by the two sensing devices is fused in a mode of constructing a region of interest, so that the lockage environment sensing capability of the unmanned ship is improved.

Maintenance equipment and maintenance method for power system

Maintenance equipment and a maintenance method for an electric power system can stabilize distribution boxes of different specifications, synchronously enable the distribution boxes to be firmer and ensure the reliability of the distribution boxes, the introduction of a shake buffering part not only can achieve a shake buffering effect on the distribution boxes, but also can achieve a stabilizing effect synchronously, and a locking part is used for stabilizing a pair of adjacent distribution boxes, so that the stability of the distribution boxes is improved. The problem that the installation function of the distribution box is damaged due to synchronous installation of the distribution boxes with different specifications is solved, and the reliability of the distribution box is ensured. The assembling frame comprises an erecting piece and side pieces arranged on the two sides of the erecting piece, the introduction of the assembling frame is beneficial to stabilizing the distribution box ...

Method for extremely short-term forecasting of ship track under influence of ocean current

The invention discloses a ship track extremely-short-term forecasting method under the influence of ocean current. The method comprises the following steps: carrying out a test; collecting data; storing data; removing redundant data; removing obviously unreasonable data, smoothing residual data after the unreasonable data is removed, and identifying parameters of the maneuverability model by utilizing a least square method to obtain a three-degree-of-freedom kinematics model; ocean current information in a ship navigation area is read, weighted averaging is carried out on ocean current speed information in the navigation area through a ship speed feature distribution algorithm and a track center point reduction method, and accurate ocean current information is obtained; and ship track extremely-short-term forecasting. According to the method, the extremely short-term forecasting model can be established according to the ship track data, the direction and the speed of the rotation test ocean ...

METHOD AND APPARATUS FOR RECEIVING DATA BASED ON SERIAL FLASH CONTROLLER

Disclosed are a method and apparatus for receiving data based on a serial Flash controller, and a computer storage medium. The method comprises: when a serial Flash controller receives input data sent by a Flash chip, obtaining a value of a sampling selection register, and according to the value of the sampling selection register and a second working clock signal, determining a sampling delay time, wherein the second working clock signal is a working clock signal of the serial Flash controller (101); and according to the sampling delay time, adjusting a sampling starting time for sampling, so as to receive the input data, wherein the sampling starting time is a time that uses the second working clock signal as a sampling signal to start to sample the input data sent by the Flash chip (102).

ASSISTED POSITIONING DATA SHARING METHOD, AND TERMINAL

An assisted positioning data sharing method, and a terminal. The method comprises: a terminal to be shared sending a detection request frame and receiving a detection response frame sent by at least one sharing terminal according to request information about assisted positioning data in the detection request frame, wherein the detection response frame sent by each sharing terminal of the at least one sharing terminal comprises response information about the assisted positioning data of each sharing terminal; and the terminal to be shared updating the assisted positioning data of the terminal to be shared according to the response information about the assisted positioning data of the at least one sharing terminal. In the present application, a terminal to be shared can update assisted positioning data of the terminal to be shared without a network connection, thereby achieving the sharing of assisted positioning data between different terminals.

Anti-collision method and system for tower group operation

The invention relates to the technical field of tower crane intelligent safety detection, in particular to a tower group operation anti-collision method and system.The method comprises the steps that feature training is conducted on cargo booms of adjacent tower cranes in tower group operation through steel wire ropes, so that feature information of the cargo booms and the steel wire ropes is recognized; acquiring spatial position information of a cargo boom and a steel wire rope of an adjacent tower crane; acquiring real-time picture information of obstacles around the cargo boom and the steel wire rope; acquiring relative spatial position information of the cargo boom and the steel wire rope of the adjacent tower crane according to the acquired feature information and spatial position information of the cargo boom and the steel wire rope as well as the real-time picture information of surrounding obstacles, so as to judge whether the cargo boom and the steel wire rope possibly collide ...

Anode color difference detection device and detection method

The invention discloses an anode color difference detection device and method, and the device comprises a large installation frame, the top of the large installation frame is rotatably connected with a moving arm, one side of a fixed seat is provided with a rotating motor, the rotating motor is connected with the moving arm, one side of the moving arm is provided with a tank body, one end of the tank body is connected with an opening and closing frame, and the other end of the tank body is connected with a motor. An opening and closing frame is arranged in the tank body, a compression elastic body is wound outside the opening and closing frame, one end of the opening and closing frame is connected with a searchlight base, a detection camera is movably arranged on the searchlight base, an air pump is arranged in the tank body, a damping assembly is arranged at the bottom of the large mounting frame, and the damping assembly comprises a surface shell. The interior of the surface shell is ...

Power distribution network digital inspection method based on 3D virtual reality technology

The invention discloses a power distribution network digital inspection method based on a 3D virtual reality technology, which solves the defects in the prior art, and comprises the following steps: 1, making a power distribution network inspection plan by a user, and then judging whether a trigger condition of the inspection plan is triggered or not; 2, triggering a triggering condition of the inspection plan, and controlling a video capturing device by the system to capture images of all inspection prefabricated positions associated with the inspection plan; step 3, the video capture device transmits the captured image to the master station, and the master station generates a 3D panorama of the patrol position; 4, the master station identifies the 3D image panorama, obtains an identification image of which the equipment state needs to be identified, judges whether the identification image is abnormal or not, and if yes, determines that the equipment corresponding to the abnormal image ...

Ship driving guidance emergency disposal system based on driver risk response in ship lock water area

The invention relates to a ship driving guidance emergency disposal system based on driver risk response in a ship lock water area. The ship driving guidance emergency disposal system comprises a processor, a detection device, a sensing device, a driver risk response model database and a driving right switching system, according to the ship driving guidance emergency disposal system, the ship navigation state is detected in real time when a ship passes through a lock, a driver risk response model serves as an evaluation criterion for the environment response state of a driver, and when a dangerous condition occurs in the ship passing process, the driving right switching system is switched to the ship automatic driving state in time. According to the ship driving guidance emergency disposal system, intelligent ship man-machine co-driving is achieved, the ship navigation risk is calculated in real time through the ship navigation risk situation model, the ship motion trail is predicted, through ...

Visual oil displacement device for simulating oil fields with different permeability and test method

The invention discloses a visual oil displacement device for simulating oil fields with different permeability and a test method, and belongs to the technical field of oil displacement. The device comprises a visual sand filling device, a constant-temperature water conveying device, a pressure driving device, a partial pressure water inlet pipeline and a bottom plate, wherein the visual sand filling device comprises a sand filling cavity and a water circulating device; the sand filling cavities are a plurality of connected spherical cavities; the sand filling cavity is formed in the water circulation device, and the multiple sets of visual sand filling devices are arranged on the bottom plate. A water outlet of the constant-temperature water delivery device is communicated with a water inlet of the water circulation device, and a water outlet of the water circulation device is communicated with a water inlet of the constant-temperature water delivery device; the pressure driving device ...

Preparation method of quantum dots in deep ultraviolet light-emitting device and deep ultraviolet light-emitting device epitaxy method

The invention discloses a preparation method of quantum dots in a deep ultraviolet light-emitting device and an epitaxial method of the deep ultraviolet light-emitting device, and the preparation method of the quantum dots in the deep ultraviolet light-emitting device comprises the following steps: S20, preparing a barrier layer with the upper surface having a zigzag macro-step morphology; s30, epitaxially growing a GaN layer on the barrier layer; and S40, carrying out desorption treatment on the GaN layer until a GaN quantum dot structure is formed at the sunken part of the zigzag macro-step morphology. According to the invention, the GaN layer is epitaxially grown on the barrier layer with the zigzag macro-step morphology, so that during desorption treatment, the GaN of the GaN layer growing at the concave position of the zigzag macro-step morphology is more difficult to desorb and presents a selective desorption condition compared with the GaN of the GaN layer growing at other positions ...

Power capacitor

The invention relates to the technical field of power capacitors, in particular to a power capacitor which comprises a power capacitor body, cooling fins are arranged on the two sides of the power capacitor body, air cooling assemblies are further arranged on the two sides of the power capacitor body, and bases are fixedly arranged on the two sides of the bottom end of the power capacitor body. A cooling fin is arranged in the base, a channel is formed in the cooling fin, a liquid cooling assembly is arranged at the top end of the base and communicates with the channel of the cooling fin, and a spraying assembly is further arranged on one side of the cooling fin; by arranging the air cooling assembly, the liquid cooling assembly and the spraying assembly, the cooling efficiency and the cooling effect of the cooling fins can be effectively enhanced through assistance of the air cooling assembly and the liquid cooling assembly, and dust on the fan blades and the cooling fins can be cleaned ...

Oxygen candle-based deep sea equipment emergency propulsion system and operation method

The deep sea equipment emergency propulsion system based on the oxygen candle comprises a pressure-resistant bulkhead, an opening is formed in the middle of the bottom of the pressure-resistant bulkhead, a plurality of steps are arranged in the opening, an air cylinder body is welded to the deepest step of the pressure-resistant bulkhead, and a plunger is installed in the air cylinder body through a check ring and an O-shaped ring in a matched mode; a hole is formed in the plunger in the radial direction, a positioning pin penetrates through the hole, meanwhile, an inserting hole corresponding to the positioning pin is formed in the air cylinder body, and the plunger is fixed to the air cylinder body through the positioning pin. Four box bodies are welded at the opening of the pressure-resistant bulkhead in the circumferential direction, a hole is formed in the lower side of each box body, a one-way valve is mounted at the hole, an oxygen candle grain is placed in each box body, each box ...

Incineration pretreatment system for high-sulfur solid waste

The invention provides an incineration pretreatment system for high-sulfur solid waste, and belongs to the technical field of waste incineration, the incineration pretreatment system comprises a combustion tank, a crushing cylinder fixed at the top of the combustion tank, and a storage hopper fixed at the top of the crushing cylinder; according to the high-sulfur waste incineration device, through cooperation of a stirring rod, a magnetic block, a piston plate, a reset spring and an air inlet pipe and rotation of the stirring rod, high-sulfur waste makes more comprehensive contact with incineration flames in the combustion tank, and therefore the incineration effect of the device is improved; when the waste is turned over, air stored in an inflation box is input into the combustion tank through a communicating hole, so that the oxygen content in the combustion tank is increased, and the incineration efficiency of the device is further improved; and in cooperation with the arrangement of ...

Inland waterway navigation characteristic evaluation method based on ship navigation three-dimensional simulation

The invention discloses an inland waterway navigation characteristic evaluation method based on ship navigation three-dimensional simulation, and the method comprises the following steps: constructing inland waterway three-dimensional simulation scenes of different water levels according to the seasonal difference of the water velocity in different seasons; respectively establishing ship navigation maneuverability models considering the water flow interference and the shallow water effect; a super-real-time simulation control platform is constructed, and super-real-time simulation is carried out on the navigation scene of the ship in the navigation channel; designing and generating an inland waterway navigation characteristic evaluation method on the super real-time simulation control platform, and calculating a ship operation state and a motion track of a ship in a feasible waterway in real time; and in consideration of various ship meeting scenes, the shortest transverse distance between ...

Carbon-doped silicon dioxide aerogel air electrode and preparation method and application thereof

The invention provides a carbon-doped silicon dioxide aerogel air electrode as well as a preparation method and application thereof, and belongs to the technical field of air batteries. The preparation method comprises the following steps: uniformly stirring a chemical additive and deionized water to obtain a mixed solution I; adding an organic silane coupling agent and an organic solvent into the mixed solution I to obtain a mixed solution II; adding an acidic aqueous solution into the mixed solution II to adjust the pH value for the first time to obtain silicon dioxide hydrosol; then adding a conductive substance, and then adding an alkaline aqueous solution to adjust the pH value for the second time to obtain silicon dioxide gel; soaking the silicon dioxide gel in a solution III compounded by a low-surface-tension organic solvent and ethanol, then taking out the silicon dioxide gel, soaking the silicon dioxide gel in a hydrophobic modifier for modification, and drying after modification ...

Flexible all-gel zinc-air battery and preparation method thereof

The invention discloses a flexible all-gel zinc-air battery and a preparation method thereof, and belongs to the technical field of zinc-air batteries. The preparation method comprises the following steps: adding water into an acrylamide matrix, stirring, adding a conductive active substance or a conductive polymer, a pore-forming agent and a binder, uniformly stirring, adding a cross-linking agent, an initiator and a catalyst to obtain a mixed solution, and drying to obtain conductive gel; adding water into the acrylamide matrix, stirring, adding a cross-linking agent, an initiator and a catalyst, uniformly stirring and mixing, and drying to obtain gel; soaking the gel in a zinc salt alkaline electrolyte to obtain an alkaline gel electrolyte; drying the conductive gel, dropwise adding a platinum-carbon catalyst to serve as a positive electrode, performing dry cross-linking with an interface of the alkaline gel electrolyte to obtain full gel, and adopting a zinc foil or a zinc sheet as ...

Detection circuit for miniature air station

The invention belongs to the technical field of air detection, and particularly relates to a detection circuit for a micro air station. The detection circuit for the miniature air station comprises a single chip microcomputer, a gas detection circuit, a particulate matter detection circuit, an image information acquisition circuit, an external communication circuit, a temperature acquisition circuit, a temperature control circuit and a service life indication circuit. The gas detection circuit, the particulate matter detection circuit, the image information acquisition circuit, the external communication circuit, the temperature acquisition circuit, the temperature control circuit and the service life indication circuit are all electrically connected with the single-chip microcomputer. The micro air station has the characteristics that the measurement accuracy of the micro air station can be improved, and the service life of the electrochemical sensor can be monitored and reminded.

Full positive dispersion pulse fiber laser based on MAX-phase Ti2AlC saturable absorber

The invention relates to a full positive dispersion pulse fiber laser based on an MAX phase material Ti2AlC which is stable in performance, low in price and easy to prepare. A semiconductor pumping source, an active optical fiber, a wavelength division multiplexer, a polarization controller, an optical fiber isolator and a saturable absorber based on Ti2AlC form an all-optical-fiber pulse laser. The method is characterized in that a body material MAX-phase Ti2AlC is used as a saturable absorber, and compared with a two-dimensional material, the difficulty and cost of material preparation can be greatly reduced. The all-fiber pulse laser is compact in structure, simple to operate and stable in working state. The method has strong application advantages in optical fiber communication, sensing and material processing.

PROCÉDÉ DE CULTURE EN BOÎTE D'ANTRODIA CAMPHORATA

Disclosed is an Antrodia camphorata dish culture method, comprising: a step of culture medium preparation: according to the mass volume ratio to water, weighing out 5-40 g/L of bran, 5-40 g/L of corn starch, 5-40 g/L of agar, 1-3 g/L of peptone, 0.5-4.0 g/L of magnesium sulphate and 0.5-10 ml/L of olive oil, and preparing a dish culture medium for the Antrodia camphorata strain; a step of inoculation: under sterile conditions, inoculating the Antrodia camphorata strain onto the culture medium; and a step of culturing: placing the inoculated culture medium in an environment with a constant temperature and humidity, and culturing for 3-12 months. The culture method makes the content of triterpene compounds in the resulting Antrodia camphorata increase significantly through improving the formula of the medium and optimizing the culture steps.

COLD-ROLLED PLATE SURFACE PASSIVATION PROCESS

A cold-rolled plate surface passivation process, comprising the following steps: S1: soaking; S2: cleaning; S3: sewage treatment; S4: pickling; S5: passivation, in which an acidified cold-rolled plate is rapidly dried at a temperature of 70-85 degrees Celsius for 5-9 minutes, and then the cold-rolled plate is passivated in a passivation apparatus, wherein a passivation agent, an additive and pure water are added in a passivation liquid container of the passivation apparatus, the cold-rolled plate being completely soaked in a mixed liquid of the passivation agent, the additive and the pure water, wherein the passivation agent, the additive and the pure water comprise the following components by weight: 34-56 parts passivation agent, 18-24 parts additive, 20-40 parts pure water; S6: spraying; S7: rinsing; S8: passivation testing. By means of soaking the cold-rolled plate by using a passivation agent and an additive, and spraying a surface of the cold-rolled plate with an active agent, the ...

Self-adaptive multi-stage buffering hole-spraying-preventing device for gas extraction drilling and hole spraying

The invention relates to the technical field of mine gas disaster control, in particular to a gas extraction drilling and spraying hole self-adaption multi-stage buffering hole spraying prevention device which comprises a hole opening blowout prevention device and a gas-slag separation device which are communicated through an arranged buffering connecting pipe. The orifice blowout preventer is provided with a sleeve used for being inserted into a coal seam. A slag discharging opening is formed in the bottom of one side face of the gas-slag separation device, and a baffle is rotationally connected to the slag discharging opening in the outer side face of the gas-slag separation device; a storage box is arranged on the other side face of the gas-slag separation device, a movable baffle which is rotationally connected is arranged at the end, away from the gas-slag separation device, of the storage box, a telescopic bag is arranged in the storage box, and the telescopic bag communicates with ...

Flow state adjusting system suitable for circulating water flow channel of power plant

The invention discloses a flow state adjusting system suitable for a circulating water flow channel of a power plant, which is characterized in that four flow guide piers are arranged at the joint of a water collecting tank and the circulating water flow channel in a herringbone manner, so that the water flow is divided into three parts. And then two flow dividing piers are arranged at the inlet of the water suction pool, so that the water flow is further smoothly divided into three flow channels. The fan-shaped flow dividing and deflecting piers are arranged at the tail ends of the three flow channels, so that water flow at the bottom is smoothly and dispersedly deflected and more uniformly enters the water suction pipe. A water pouring wedge is arranged at the bottom of the rear wall of the water suction pool, so that water flow is smoothly guided into the water suction pipe. By arranging the herringbone flow guide pier at the inlet of the circulating water flow channel and arranging ...

BLUETOOTH PAIRING METHOD AND BLUETOOTH DEVICE

Disclosed are a Bluetooth pairing method and a Bluetooth device. The method is applied to a first Bluetooth device, and comprises: detecting a motion parameter of the first Bluetooth device in motion; if the motion parameter satisfies a preset condition, enabling the Bluetooth, and broadcasting a first query packet to at least one Bluetooth device within an effective range; receiving a first query response packet returned by the at least one Bluetooth device within the effective range; determining a paired Bluetooth device from the at least one Bluetooth device within the effective range according to first information comprised in the first query response packet, the first information comprising at least one of first pairing indication information and RSSI information; and sending a pairing request to the paired Bluetooth device to be paired with the paired Bluetooth device. Therefore, by implementing the method, a user can rapidly and conveniently pair a first Bluetooth device only by ...

METHOD FOR CONDUCTING SITE-SPECIFIC MODIFICATION ON ENTIRE PLANT VIA GENE TRANSIENT EXPRESSION

Provided is a method for conducting site-specific modification on a target gene segment in an entire plant via gene transient expression, the method comprising the following steps: taking the entire plant as a transient expression object, transiently expressing a nuclease distinct to the target gene segment in the plant; under the action of the nuclease, shearing the target segment, and realizing the site-specific modification of the target segment via DNA repair of the plant. Also provided are a method for cultivating a non-transgenic mutation plant by using the above method, and thusly obtained non-transgenic mutation plant.

Gasification slag lock is fought and is arranged sediment device temporarily

... 本实用新型公开了一种气化炉渣锁斗临时排渣装置，包括有渣锁斗、临时渣池，气化炉渣锁斗临时排渣管线采用可拆卸的管线连接，可拆卸的临时排渣管线进口连接到渣锁斗出口阀下部三通、出口连接到临时渣池。本实用新型结构简单、安装使用方便，避免了因气化炉渣锁斗排不掉渣，灰渣直接排到地上，造成环境污染，同时造成气化炉需要减负荷运行等问题。 ...

Static scroll plate and scroll compressor

An oil groove is concavely formed in the end face, close to a scroll wrap, of an end plate of the static scroll plate, the oil groove comprises an oil guide groove section and a communicating groove section which are communicated with each other, and the oil guide groove section extends in the circumferential direction of the static scroll plate; and the communicating groove section penetrates through one side wall of the oil guide groove section and extends outwards. In the rotating process of the orbiting scroll, when the orbiting scroll is located at the oil supply lubrication position, an end plate of the orbiting scroll covers notches of the oil guide groove section and the communicating groove section, an oil outlet of an oil supply channel in the orbiting scroll is communicated with the oil groove, oil supply lubrication is achieved, and when the end plate of the orbiting scroll moves to be staggered with the notch of the communicating groove section, the end plate of the orbiting ...

Concrete preparation raw material mixing device and mixing method thereof

The invention discloses a concrete preparation raw material mixing device and a mixing method thereof, and particularly relates to the technical field of concrete preparation.The concrete preparation raw material mixing device comprises a base, supporting frames are additionally arranged at the four corners of the upper surface of the base, absorption units are correspondingly installed at the tops of the inner walls of the supporting frames, and linkage tables are correspondingly installed between the absorption units on the supporting frames on the adjacent sides; a transmission shaft rotationally penetrates through the linkage table, and a reinforcing lantern ring is fixedly mounted at the front end of the transmission shaft. The concrete raw materials can be fully mixed and stirred by means of the stirring unit in the mixing box, the same and opposite stirring directions can be realized in the mixing box by means of the structural cooperation of the mixing part in the stirring unit ...

Air conditioner control method and device and air conditioner

The invention provides a control method and device of an air conditioner and the air conditioner, and is applied to the field of air conditioner control. According to the exhaust temperature, the air conditioner is adjusted in a first adjusting mode and/or a second adjusting mode; according to the first adjusting mode, the adjusting speed of the opening degree of the electronic expansion valve is adjusted according to the exhaust temperature. The second adjusting mode comprises at least one of the following modes: adjusting the electronic expansion valve according to the superheat degree, and adjusting the operation frequency of the compressor according to the exhaust temperature. According to the control method and device of the air conditioner and the air conditioner, the situation that the exhaust temperature is too high is effectively avoided, and therefore stable operation of the air conditioner is ensured.

Two-dimensional nano oil displacement agent and preparation method thereof

The invention discloses a two-dimensional nano oil displacement agent and a preparation method thereof, and belongs to the technical field of oil exploitation, transportation and chemical engineering. The preparation method comprises the following steps: preparing a product A graphene oxide; mixing fatty alcohol-polyoxyethylene ether phosphate monoester and polyisocyanate to obtain a mixture I, then adding a solvent and a catalyst to carry out addition reaction, and then carrying out rotary evaporation to remove the solvent to obtain a product B; mixing the product A graphene oxide with the product B to obtain a mixture II, adding a solvent and a catalyst into the mixture II to carry out nucleophilic addition reaction, and carrying out rotary evaporation, suction filtration, washing and drying treatment to obtain the two-dimensional nano oil displacement agent. The two-dimensional nano oil-displacing agent prepared by the method is a macromolecule, and the situation that carried liquid ...

Hyperspectral image de-noising method based on Gaussian-Wardt priori

The invention discloses a hyperspectral image de-noising method based on Gaussian-Wardt prior, which comprises the following steps of: 1) inputting a hyperspectral image W polluted by noise, H being the length and the width of the spatial dimension of the hyperspectral image respectively, and S being the wave band number of the spectrum; 2) extracting overlapped full-wave-band image blocks with the size of dw * dH * S, clustering the image blocks into groups by adopting K-means + +, and inputting the image blocks into a nonparametric Bayesian CP decomposition model; 3) in the Bayesian model, deriving a posterior probability formula of the parameters through a relation between conjugate prior and a likelihood function, and sequentially updating the to-be-estimated parameters by Gibbs sampling; 4) reconstructing an image group according to the weight coefficient and the factor matrix decomposed by the CP; 5) restoring the image blocks, performing mean smoothing on the overlapped part of the ...

SILK-SCREEN PRINTING DEVICE AND SILK-SCREEN PRINTING METHOD

A silk-screen printing device and a silk-screen printing method. The silk-screen printing device comprises a silk-screen board (1) and a power applying device (2). The silk-screen board (1) comprises a conductive silk screen (11). The power applying device (2) is electrically connected to the conductive silk screen (11); and the power applying device (2) is used for applying a voltage to the conductive silk screen (11). The silk-screen printing method comprises: rubbing a silk-screen board using a printing head to print ink on a print substrate, the silk-screen board comprising a conductive silk screen; and applying a positive voltage or a negative voltage to the conductive silk screen during the silk-screen printing process. According to the silk-screen printing device and the silk-screen printing method, static electricity can be prevented.

Drop-type high-voltage fuse convenient to install

The invention relates to the field of fuses, in particular to a drop-out type high-voltage fuse convenient to install, which comprises a mounting frame and a drop-out type high-voltage fuse body, and is characterized in that first clamping assemblies are arranged at two ends of the mounting frame; a fixing frame is arranged at the top of the mounting frame, a rotating rod is mounted on the fixing frame, a first driving assembly is mounted on the rotating rod, a connecting box is mounted on the rotating rod, the connecting box is connected with the fixing frame through a limiting assembly, and the top of the connecting box is connected with the drop-type high-voltage fuse body through a mounting mechanism; the mounting mechanism comprises a connecting sliding groove, a two-way screw rod is mounted in the connecting sliding groove, and a second driving assembly is mounted on the two-way screw rod; the two ends of the two-way screw are connected with sliding plates, the sliding plates are ...

Feature region prediction method and device based on multi-modal ultrasonic data

The invention discloses a feature region prediction method and device based on multi-modal ultrasonic data, and the method comprises the steps: obtaining a to-be-predicted ultrasonic image, inputting the ultrasonic image meeting a preset condition into a segmentation network model, and obtaining a multi-modal label image; obtaining high-dimensional feature data from the multi-modal label images by adopting a pre-trained feature extraction model; and performing dimension reduction processing on the high-dimensional feature data, and determining a diagnosis result of the lesion area by using a pre-trained classifier.

Preparation method of salbutamol sulfate tablet

The invention relates to the technical field of medicine preparation, in particular to a preparation method of salbutamol sulfate tablets. The preparation method comprises the following specific operation steps: S1, respectively sieving the main medicine, the filling agent, the disintegrating agent and the adhesive according to a formula; s2, putting the sieved main drug, filler, disintegrating agent and adhesive into a fluidized bed granulating and coating machine, uniformly mixing, and spraying a wetting agent to prepare wet granules; s3, drying the wet granules, sieving and finishing the granules to obtain dry granules; s4, uniformly mixing the dry particles and the lubricant again to obtain a semi-finished product; and S5, putting the semi-finished product into a tablet press, and tabletting to obtain the salbutamol sulfate tablet. Dry mixing, wet mixing, granule forming and drying of materials are completed in the same fluidized bed granulating and coating machine, so that production ...

Full-automatic mortar spraying machine capable of automatically feeding

The full-automatic mortar spraying machine comprises a base, a supporting plate is fixedly installed on the left side of the top of the base, a second installation frame is fixedly installed on the top of the right side of the supporting plate, a raw material box is fixedly installed in an inner cavity of the second installation frame, and the bottom of the raw material box is communicated with a discharging pipe. A second electromagnetic valve is arranged in an inner cavity of the discharging pipe. When the second electromagnetic valve is opened, raw materials in the raw material box fall into the stirring box along the discharging pipe, the liquid adding pipe can be connected to a water pipe, when the third electromagnetic valve is opened, water enters the stirring box along the liquid adding pipe, when the motor is opened, the stirring rod is driven by the motor to rotate, the raw materials can be mixed, and when the first electromagnetic valve is opened, mortar falls into the storage ...

Preparation method of single N-polarity AlN film

The invention discloses a preparation method of a single N-polarity AlN film, which comprises the following steps: S10, a first template covers the upper surface of an AlN film in an AlN template obtained by depositing the AlN film on a high-temperature-resistant silicon-free substrate, and the first template contains at least one of an Al component and an N component and is high-temperature-resistant; s20, performing high-temperature annealing on the AlN template covered with the first template so as to form an AlON layer in the AlN thin film and respectively form an N-polarity AlN layer and an Al-polarity AlN layer on two sides of the AlON layer in the AlN thin film; and S30, etching to remove the AlON layer and the Al polarity AlN layer so as to prepare the AlN template with the single N polarity AlN film. Therefore, the high-temperature-resistant first template can avoid the problem that the AlN film is decomposed or the surface of the AlN film is damaged in the high-temperature annealing ...

METHOD AND APPARATUS FOR ADAPTIVELY LOCKING TERMINAL SCREEN

Disclosed are a method and an apparatus for adaptively locking a terminal screen, capable of effectively avoiding trouble brought to a user due to an undesired operation on a terminal. The method includes: determining whether a touch operation occurs on a terminal first; if there is no operation after a preset screen locking time, a system automatically locking the screen; if an operation exists on the terminal, recording and collecting statistics about the number of times of invalid operations in a preset time; and if the number of the invalid operations in the preset time meets a screen locking condition, locking the screen. The apparatus comprises a first determination module and a second determination module.

HEAT TREATMENT PROCESS FOR INCREASING RESILIENCE OF BEARING STEEL

A heat treatment process for increasing the resilience of a bearing steel, comprising the following steps: S1 annealing: a steel material is kept warm at 880-1000 °C for 4-6 h, with the temperature being cooled at a rate of 25-45 °C/h to 800-860 °C, kept warm for 1-2h, then with the temperature being cooled at a rate of 20-30 °C/h to 600-700 °C, kept warm for 1-2 h, and then removed from a furnace for air cooling; S2, normalization: the temperature in the furnace is raised to 750-820 °C, the steel material is placed therein, kept warm for 2-4 h, and removed from the furnace for air cooling; S3, quenching: under the protection of nitrogen gas, the steel material is kept warm at a temperature of 1000-1100 °C for 1-2 h, then rapidly quenched into an oil of 100-220 °C for cooling, thus allowing a carbide to be evenly distributed, and the steel material is removed when the temperature thereof drops to 150-180 °C and then air cooled; S4, primary freeze treatment: the steel material of S3 is cold ...

Targeted reduction sensitive polymer micelle, preparation method and application

The invention relates to the technical field of polymer biological medicines, in particular to a targeted reduction sensitive polymer micelle, a preparation method and application. According to the method, chitosan is taken as a raw material, and hydrophilic carboxyl is introduced into a chitosan structure through etherification reaction, so that the hydrophilicity is improved; then cross-linking with a reduction sensitive intermediate to obtain amphiphilic reduction sensitive chitosan containing diselenide bonds; finally, through esterification reaction with a targeting reagent, the polymer is endowed with the characteristic of targeting cancer cells; the raw materials are wide in source, non-toxic and low in price, the cost of a drug carrier can be effectively reduced, and the prepared targeted reduction sensitive polymer micelle has the characteristics of fast drug release, strong binding capacity with cancer cells, accurate drug release, high efficiency and safety. The problems that ...

Rural distribution network load and new energy monitoring data correction method based on Spearman-NARX

The invention relates to a Spearman-NARX-based rural distribution network load and new energy monitoring data correction method. The method comprises the steps of obtaining a load data sequence and a new energy data sequence collected every t time period in a rural distribution network; determining bad data, rejecting the bad data, and calculating a Spearman rank parameter rho between the data sequences; the method comprises the following steps: determining a correlation-containing bad data sequence, training an NARX dynamic neural network by using the correlation-containing bad data sequence, predicting the correlation-containing bad data sequence by using the neural network, making a difference between the predicted data sequence and an original result containing the bad data sequence, and obtaining the result containing the bad data sequence. If the difference value is smaller than or equal to the allowable precision, a correction sequence of bad data is obtained, and otherwise, the ...

Multifunctional wet magnetic separator and working method

The invention discloses a multifunctional wet magnetic separator and a working method, and relates to the technical field of wet magnetic separators. Comprising a rack, a permanent magnet cylinder is installed on the rack, a magnetic system adjusting device is installed on one side of the permanent magnet cylinder, and a transmission device is installed on the other side of the permanent magnet cylinder; two ends of the permanent magnet cylinder are respectively provided with a groove body and a feeding device; the permanent magnet cylinder comprises a main shaft and a cylinder shell, halves are installed on the main shaft, the halves are arranged in pairs, fan-shaped supporting plates are installed on the two sides of the halves, magnetic yoke plates are installed on the sides, back to the halves, of the fan-shaped supporting plates, and multiple pairs of magnetic sets are installed on the sides, back to the fan-shaped supporting plates, of the magnetic yoke plates; first magnetism isolating ...

METHOD AND APPARATUS FOR VIEWING BACKGROUND APPLICATION ON MOBILE TERMINAL

Provided are a method and an apparatus for viewing a background application on a mobile terminal, the method comprising: obtaining a background application viewing instruction input by a user; obtaining the number of background applications according to the background application viewing instruction; setting a display window according to the number of background applications, and obtaining a display mode for displaying the background applications; and according to the display mode, displaying and processing the background applications on the set display window. According to the method provided by the present invention, by displaying the background applications on the display window as many as possible, the user can more intuitively view the background applications, and the user can more quickly find the required background application, so that the operation experience for viewing the background application of the mobile terminal is improved, and that the user needs to view all the background ...

SURFACE PASSIVATION PROCESS OF COPPER ALLOY

The invention discloses a surface passivation process of a copper alloy, comprising: mechanical grinding, electrochemical polishing, chemical degreasing, 80°C hot water washing, cold air drying, mixed acid pickling, 80°C hot water washing, cold air drying, passivation solution roller coating, distilled water washing, and cold air drying. The passivation solution comprises benzotriazole (BTA) at 3-10 g/L, citric acid at 10-20 g/L, a rare earth salt at 0.2-1 g/L, sulfosalicylic acid at 1-5 g/L, sodium dodecyl sulfate at 1-3 g/L, film formation accelerator at 1-2 g/L, and an oxidizer at 1-2 g/L. The passivation roller coating time is 3 min, and the processing temperature is 50-60°C.

Method for measuring thickness of metal film in real time

The invention discloses a method for measuring the thickness of a metal film in real time, and the method comprises the steps: providing a first calibration wafer to an Nth calibration wafer, and enabling the surface of any nth calibration wafer to be provided with an nth metal film; obtaining a first temperature compensation calibration coefficient of the first metal film to an Nth temperature compensation calibration coefficient of the Nth metal film; fitting a film thickness prediction function; providing a wafer to be detected, wherein the surface of the wafer to be detected is provided with a metal film to be detected; polishing the to-be-measured metal film, and obtaining the temperature variation of the to-be-measured metal film; obtaining an initial test eddy current signal corresponding to the temperature variation; obtaining an nth calibration prediction eddy current signal; acquiring a temperature compensation prediction function; acquiring a temperature compensation prediction ...

HIGH-NITROGEN STAINLESS BEARING STEEL HEAT TREATMENT PROCESS

A high-nitrogen stainless bearing steel heat treatment process. The process comprises the following steps: S1: selecting a high-nitrogen steel liquid as a base raw material; S2: providing multiple sand pools, the temperatures of the sand pools being different; S3: annealing; S4: selecting sand pools of temperatures respectively between 350-400°C, 250-300°C, 150-200°C, 50-100°C, and 15-40°C; S5: preparing a surface coating agent; S6: preheating; S7: using a flame gun to burn a blank produced in step S6; S8: selecting an air cooler and immediately cooling with the air cooler the blank produced in step S7; and S9: air cooling the cooled blank of step S8. The process reduces resource wastage to a certain extent and increases the wear resistance, contact fatigue, and resilience of a bearing blank.

Submersible attitude depth adjusting device based on phase change expansion

The invention provides a submersible attitude depth adjusting device based on phase change expansion, and relates to the technical field of underwater environment detection.The submersible attitude depth adjusting device comprises a control module and a plurality of phase change expansion units which are arranged on a submersible, the control module is connected with the phase change expansion units, and the phase change expansion units are arranged at the buoyancy center plane position of the submersible; the control module collects attitude information of the submersible and dispatches the heating power of the heater in each phase change expansion unit based on an attitude information command. The phase change expansion unit is heated and subjected to phase change due to the change of heating power, so that buoyancy is generated by changing the drainage volume; all the phase change expansion units jointly generate overturning moment or upward buoyancy at the gravity center of the submersible ...

Power distribution intelligent temperature measurement alarm method and system

The invention provides a power distribution intelligent temperature measurement alarm method and system, real-time monitoring of temperature and multi-source data is carried out at each node of a cable joint, it is ensured that the temperature and the multi-source data correspond to each other in the same time period, in order to improve the measurement accuracy, the collected temperature data is checked to reduce the measurement error, and the measurement accuracy is improved. When the required data is obtained, when the multi-source data is abnormal, the out-of-limit area data is recorded as first data, and when the multi-source data is normal, the out-of-limit area data is recorded as second data; a node corresponding to the first data serves as an emergency abnormal node; when the area data, obtained by the next edge calculation, of the node corresponding to the second data still exceed the limit, the node corresponding to the second data serves as a general abnormal node, the data ...

POST CLEANING METHOD FOR TUNGSTEN CHEMICAL MECHANICAL PLANARIZATION, AND WAFER

The present invention provides a post cleaning method for tungsten chemical mechanical planarization and a wafer. The post cleaning method process for tungsten chemical mechanical planarization in the present invention is simple, uses a specific stepwise operation of cleaning, scrubbing, washing and spin drying, and has a good cleaning effect, effectively reducing the oxidation and electrochemical corrosion to W plug during the CMP post cleaning process, avoiding more serious defects of dished W recess of the W plug, optimizing Zeta electric potential of the wafer surface, lowering the risk of re-contamination on the wafer after CMP. The present invention also provides a wafer obtained by the described post cleaning method for tungsten chemical mechanical planarization, the wafer having the advantage of leaving less residual particles on the surface, and having a lower amount of corrosion.

Star-shaped nonionic tripolymer surfactant as well as preparation method and application thereof

The invention discloses a star-shaped nonionic tripolymer surfactant as well as a preparation method and application thereof, and belongs to the technical field of surfactants. The preparation method comprises the following steps: uniformly mixing 4-(2-cyanoethyl) heptane dinitrile and concentrated hydrochloric acid, heating and refluxing for hydrolysis reaction, cooling, standing, filtering, washing and drying to obtain an intermediate product I; and sequentially adding the intermediate product I, fatty alcohol-polyoxyethylene ether and a catalyst into a reaction container, introducing protective gas, carrying out esterification reaction to obtain an intermediate product II, and carrying out post-treatment to obtain the star-shaped nonionic tripolymer surfactant. The preparation method is simple in technological process, the star-shaped nonionic tripolymer surfactant can be prepared only through two-step reaction, and the prepared surfactant has the advantages of hard water resistance ...

Spatial big data processing system and method based on data lake

The invention discloses a spatial big data processing system and method based on a data lake, and relates to the technical field of spatial big data processing. In the system, the system comprises an acquisition module, a data lake entering module and a data lake analysis module, the acquisition module is used for acquiring multiple types of spatial big data in different data sources; the data in-lake module is used for storing the multiple types of spatial big data in the different data sources to a data lake; the data lake analysis module is used for analyzing the multiple types of spatial big data to obtain structured data corresponding to the multiple types of spatial big data; and the data lake analysis module is also used for storing the plurality of types of structured data into a first Delta table. By implementing the technical scheme provided by the invention, unified storage of spatial big data can be realized.

TRACK CORRECTION METHOD AND SYSTEM

Provided in the embodiments of the present application are a track correction method and system. The method comprises: a first electronic device sends to a cloud server a plurality of obtained motion tracks; and the cloud server can obtain a third motion track on the basis of the received plurality of motion tracks sent by the first electronic device. The first electronic device can correct, on the basis of the third motion track obtained from the cloud server, the deviation of a motion track uploaded by a second electronic device, and display the corrected motion track, thereby providing a way to correct, on the basis of a motion track, the deviation of another motion track, so as to weaken the dependence on road network data in a deviation correction process. Even in the scenario in which there is no road network data in the first electronic device, a motion track that has undergone deviation correction and is displayed by the first electronic device can still have high similarity with ...

Insulating roller device

The invention discloses an insulating roller device. The insulating roller device is characterized in that a roller way structure is integrally positioned in a vacuum chamber; the transmission side structure comprises a transmission shaft and a first sealing structure arranged on the transmission shaft in a sleeving mode, one end of the transmission shaft is located in the vacuum cavity and connected with the roller way structure, and the other end of the transmission shaft extends out of the vacuum cavity and is sealed and insulated through the first sealing structure. The non-transmission side structure comprises a driven shaft and a second sealing structure arranged on the driven shaft in a sleeving mode, one end of the driven shaft is located in the vacuum cavity and connected with the roller way structure, and the other end of the driven shaft extends out of the vacuum cavity and is sealed and insulated through the second sealing structure. The transmission shaft and the driven shaft ...

AIR INJECTION ENTHALPY-INCREASING SCROLL COMPRESSOR AND REFRIGERATION SYSTEM

Provided are an air injection enthalpy-increasing scroll compressor, and a refrigeration system comprising the air injection enthalpy-increasing scroll compressor. The air injection enthalpy-increasing scroll compressor comprises a compressor housing, a main frame (13), a movable scroll plate (12) and a stationary scroll plate (11). The movable scroll plate (12) is arranged on the main frame (13). The movable scroll plate (12) comprises a movable plate end plate (121) and a movable scroll tooth (122) arranged on a side end face, away from the main frame (13), of the movable plate end plate (121), with a back pressure chamber being defined between the movable plate end plate (121) and the main frame (13). The stationary scroll plate (11) is arranged on one side, away from the main frame (13), of the movable scroll plate (12). The stationary scroll plate (11) comprises a stationary plate end plate (111) and a stationary scroll tooth (112) arranged on a side end face, close to the main frame ...

Automatic hardware detection method, device and equipment for air conditioner computer board and air conditioner

The invention provides an air conditioner computer board hardware automatic detection method, device and equipment and an air conditioner, and relates to the technical field of air conditioners. The method comprises the steps that under the condition that an air conditioner computer board is powered on, the air conditioner computer board starts a hardware self-checking mode; determining a detection sequence of to-be-detected hardware based on the hardware self-detection mode; and detecting the hardware to be detected according to the detection sequence to obtain a detection result, and judging whether a hardware circuit input port of the air conditioner computer board is normal or not, and judging whether a hardware circuit output port is normal or not. According to the embodiment of the invention, whether each port of the hardware circuit of the air conditioner computer board has a quality problem or not can be conveniently detected, and the air conditioner computer board enters a hardware ...

METHOD AND APPARATUS FOR ADAPTIVELY LOCKING TERMINAL SCREEN

Disclosed are a method and an apparatus for adaptively locking a terminal screen, capable of effectively avoiding trouble brought to a user due to an undesired operation on a terminal. The method includes: determining whether a touch operation occurs on a terminal first; if there is no operation after a preset screen locking time, a system automatically locking the screen; if an operation exists on the terminal, recording and collecting statistics about the number of times of invalid operations in a preset time; and if the number of the invalid operations in the preset time meets a screen locking condition, locking the screen. The apparatus comprises a first determination module and a second determination module.

Traditional Chinese medicine composition for treating calf mycoplasmal pneumonia and application thereof

The invention belongs to the technical field of veterinary drugs, and particularly relates to a traditional Chinese medicine composition for treating calf mycoplasmal pneumonia and application thereof, the traditional Chinese medicine composition comprises the following bulk drugs by weight: 30-40 parts of gypsum, 20-40 parts of Chinese pulsatilla root, 30-40 parts of platycodon grandiflorum, 10-20 parts of coptis chinensis, 10-20 parts of schisandra chinensis, 20-30 parts of cacumen biotae, and 20-35 parts of ephedra. The traditional Chinese medicine composition can effectively inhibit the calf mycoplasma pneumoniae, has the highest cure rate of 100%, and also has the advantages of being green, safe, free of residues, small in toxic and side effects, low in cost, convenient to produce, not prone to generating drug-resistant bacteria and the like which cannot be achieved by antibiotics.

Electrochemical mechanical polishing device

The invention provides an electrochemical mechanical polishing device. The electrochemical mechanical polishing device comprises a polishing supporting structure; the cathode structure is positioned on the polishing support structure; the polishing pad is located above the position, deviating from the polishing supporting structure, of the cathode structure, and a liquid guide hole penetrating through the polishing pad is formed in the polishing pad; the anode structure is positioned on the polishing support structure and is spaced from the cathode structure; the cathode structure comprises a first cathode piece to an Nth cathode piece which are arranged at intervals, the transverse distance between the first cathode piece and the center of the polishing pad and the transverse distance between the Nth cathode piece and the center of the polishing pad are different, and N is an integer larger than or equal to 2. According to the electrochemical mechanical polishing device, different polishing ...

Tungsten electrode adjusting device and method for all-position pulse automatic argon arc welding

The invention discloses an all-position pulse automatic argon arc welding tungsten electrode adjusting device and method. The adjusting device comprises a radial/axial adjusting rod, a radial/axial adjusting screw and a tungsten electrode. The radial adjusting rod is mounted at a rotating gear of the all-position pulse automatic argon arc welding electrode holder; a through hole A and a threaded hole A are formed in the large end of the radial adjusting rod; the through hole A is used for installing an axial adjusting rod, and the threaded hole A is used for installing an axial adjusting screw; a through hole B and a threaded hole B are formed in the large end of the axial adjusting rod; the through hole B is used for installing a tungsten electrode, and the threaded hole B is used for installing a radial adjusting screw. According to the scheme, the tungsten electrode of the automatic welding electrode holder can be adjusted in the radial direction and the axial direction, so that the ...

Multifunctional solid waste comprehensive utilization and disposal system

The invention provides a multifunctional solid waste comprehensive utilization and disposal system, and belongs to the technical field of solid waste. Comprising a tank body, a driving mechanism, a temperature sensing mechanism, an air adjusting mechanism and a material turning mechanism. According to the multifunctional solid waste comprehensive utilization and disposal system, the temperature generated during solid waste accumulation acts on the interior of the temperature sensing mechanism, the temperature sensing mechanism moves upwards under the action of the temperature generated during solid waste accumulation, then the gas adjusting mechanism changes the gas inlet amount, and meanwhile the material overturning mechanism is driven; the turning mechanism in the inclined state can turn the solid waste, so that the bottom of the shifting plate is not filled with the solid waste, the contact area of gas and the solid waste can be increased, the solid waste is cooled, and the phenomenon ...

Memory processing method and related device

The invention provides a memory processing method and a related device, which can reduce the probability that plug-in loading and garbage collection GC occur at the same time, so that the phenomenon that an application interface is stuck when a user switches or opens the application interface can be relieved, and the user experience is improved. The method comprises the following steps: receiving a first operation of a user, wherein the first operation is used for opening an application interface or switching the application interface; determining whether the growth rate of the occupied space in the heap memory in a preset time period after the first operation is greater than a preset threshold value or not; when the growth rate of the occupied space is greater than a preset threshold value, temporarily not carrying out GC on the occupied space until a preset condition is met, and recovering GC on the occupied space; wherein the preset condition comprises that the occupied space is greater ...

High-capacity power capacitor

The invention belongs to the technical field of power capacitors, and discloses a high-capacity power capacitor which comprises an outer shell, a plurality of limiting assemblies are arranged in the outer shell in an annular array mode, a capacitor body is arranged in each limiting assembly, and a heat dissipation assembly is arranged in the center of the interior of the outer shell. The heat dissipation assembly is used for conducting heat dissipation on the capacitor body, the heat dissipation assembly comprises a rotating pipe, and a plurality of limiting grooves are formed in the top of the rotating pipe in an annular array mode. According to the invention, through mutual cooperation of the limiting assemblies and the elastic bands arranged in the outer shell, rapid installation and disassembly of the capacitor bodies are realized, and meanwhile, the interior of the outer shell is divided into a plurality of mutually staggered heat dissipation cavities and placement cavities through ...

Method for recycling sapphire substrate

The invention provides a method for recovering a sapphire substrate, which specifically comprises the following steps of: taking the sapphire substrate with an epitaxial layer on the surface, putting the sapphire substrate into a 50-60wt% phosphoric acid solution, and heating at 180-350 DEG C; the method obviously enhances the corrosion strength and speed of phosphoric acid, and can effectively remove the epitaxial layer on the surface of the sapphire substrate.

Star-shaped block copolymer for low-rank coal slurrying and preparation method of star-shaped block copolymer

The invention relates to a star block copolymer for low-rank coal slurrying and a preparation method thereof, the method comprises the following steps: uniformly mixing tripotassium phosphate, 1-butyl mercaptan, carbon disulfide and acetone, heating to room temperature, preserving heat, adding 1, 3, 5-tri (bromomethyl) benzene at-5-0 DEG C, stirring, heating to room temperature, preserving heat, and separating the product to obtain an intermediate product I; carrying out RAFT controllable free radical polymerization reaction on the intermediate product I, an initiator, styrene and dioxane under vacuum, and then removing unreacted monomers to obtain an intermediate product II with Mn of 10000-20000; and carrying out RAFT controllable free radical polymerization reaction on the intermediate product II, an initiator, methoxy polyethylene glycol acrylate and dioxane under vacuum, and then removing unreacted monomers to obtain the star block copolymer with Mn of 20000-40000.

Ozone analysis system and method

The invention discloses an ozone analysis system and method.The ozone analysis system comprises a light source module, an environment detection module, a reference module, an ozone detection module and a main control module; wherein the light source module is used for inputting a light signal to the sample gas chamber; the environment detection module is used for acquiring environment parameters in the sample gas chamber and performing compensation according to the environment parameters; the reference module is connected with the light source module and is used for counteracting fluctuation errors generated by the light signals; the ozone detection module is used for detecting the output light intensity of the sample gas chamber; the main control module regulates and controls the light source module, the environment detection module, the reference module and the ozone detection module respectively; the main control module comprises a data processing unit, and the data processing unit obtains ...

Self-adaptive control method, system and equipment for live broadcast volume and storage medium

The embodiment of the invention discloses a live broadcast volume adaptive control method, system and device and a storage medium. According to the technical scheme provided by the embodiment of the invention, the scene information of the target audio is determined by obtaining the target audio; calculating signal energy of the target audio, and smoothing the signal energy based on the scene information to obtain a smooth signal of the target audio; and estimating the signal gain of the target audio according to the scene information, the signal energy and the smooth signal, and adjusting the volume of the target audio based on the signal gain. By adopting the technical means, the target audio is smoothed in combination with the scene information, and smooth representation of the audio signal can be realized for different scenes. And the signal gain is estimated according to the smooth signal, and the audio volume is adjusted, so that the audio signal of the voice scene is clearer and more ...

Portable slurry throwing bat

According to the portable slurry throwing bat, a hollowed-out light aluminum plate is buckled to one face of a steel wire plate net, and a longitudinal slurry conveying barrel and a plurality of transverse slurry storage barrels are fixed to the other face of the steel wire plate net; the longitudinal slurry conveying cylinder is communicated with a plurality of transverse slurry storage cylinders; a control assembly is arranged on the outer wall, connected with the push rod, of the longitudinal slurry conveying cylinder; slurry is sucked into the longitudinal slurry conveying cylinder through the one-way valve and then conveyed into the transverse slurry storage cylinder through the one-way valve, the slurry throwing and galling process is completed through the steel wire plate net and the hollowed-out light aluminum plate, the working endurance effect of the slurry throwing bat is achieved, repeated slurry dipping is not needed, workers can work continuously, and then the working efficiency ...

Ship trajectory tracking method based on event triggering and hybrid logic dynamic model

The invention discloses a ship trajectory tracking method based on event triggering and a hybrid logic dynamic model, and the method comprises the following steps: carrying out the gear division of a rudder angle, and constructing a dynamic model of the rotation speed of a ship propeller and the motion of a ship under different rudder angle gears in combination with a ship MMG model; building a definition of an event included angle, defining the event included angle as an included angle between a ship speed direction and a target trajectory point direction, and setting an included angle threshold value as an event triggering mechanism; constructing a hybrid logic dynamic model according to the ship MMG model, the kinetic model of the ship propeller rotating speed and the ship motion and an event triggering mechanism; and performing ship trajectory tracking control by taking the hybrid logic dynamic model as a prediction model. According to the invention, unnecessary resource loss of ship ...

Garden water surface duckweed collecting device

The invention discloses a garden water surface duckweed collecting device, and relates to the technical field of garden equipment. The device comprises a device body, a conveying belt set is rotationally installed on the right side of the device body, a duckweed anti-sticking fishing device is arranged in water on the outer side of the conveying belt set, the duckweed anti-sticking fishing device comprises a fishing net box and an abutting block plate, and the abutting block plate is fixed to the inner wall of the right side of the device body; the salvage net box is hinged to the outer side of the conveying belt of the conveying belt set. The abutting block of the abutting block plate is matched with the abutting rod, so that the abutting block of the abutting block plate drives the swing plate to swing upwards by pushing the abutting bottom of the abutting rod, the swing plate drives the knife rest of the arc-shaped knife rest plate to cut roots of duckweeds attached to the net face of ...

Visual inspection method for installation state of spaceflight pipe joint anti-loose fuse

The invention discloses a visual detection method for the installation state of an anti-loose fuse of an aerospace pipe joint, and relates to the field of aerospace engine assembly detection. Labeling the deep learning data set; detecting neglected loading of the pipe joint fuse; detecting the mounting angle and tightening direction of the pipe joint fuse; identifying a twisted edge line of the pipe joint fuse to obtain a fuse contour; performing a watershed algorithm on the fuse contour to obtain separated single twist contours of the fuse; and pipe joint fuse twist number detection: finding separated single twist contours, removing contours with inconsistent contour areas through an area screening method, then carrying out traversal counting on all contours of the whole image to obtain the fuse twist number, and judging whether the fuse twist number is required or not. The problem that an existing spaceflight pipe joint fuse is low in detection efficiency is solved.

Attribute access control method and device based on block chain

The invention relates to the technical field of block chains, and provides an attribute access control method and device based on a block chain, the method is applied to a performance scheduling node, and the method comprises the following steps: receiving a block containing a specified transaction sent by a sorting node; according to the selection logic of the scheduler, selecting a specified transaction in the block to execute verification and submission operation; wherein the selection logic of the scheduler is used for indicating the intelligent contract executed by the performance scheduling node; in the smart contracts required to be called by the specified transaction, at least one smart contract is the smart contract indicated by the selection logic of the scheduler; and the selection logic of the scheduler is dynamically determined and sent to the scheduler by the scheduling module based on the execution efficiency of each smart contract. According to the attribute access control ...

Automatic duck cage that retaining was drained

... 本实用新型公开了一种自动蓄水放水的鸭笼，包括多层饲养笼，其特征在于：饲养笼上设储水槽（1），储水槽（1）有进水口（2）和接触式出水口（3），储水槽（1）中有漂浮球，储水槽（1）底部中心与中心柱管（4）连接，中心柱管（4）上设多个引水口A（5）；储水槽（1）底部左右两侧设空心板（6），空心板（6）上朝饲养笼内设多个引水口B（7）；所述的中心柱管（4）上的引水口A（5）和侧面空心板（6）的引水口B（7）均为接触式可旋转的，且为钝头；所述的进水口（2）直接与水龙头（8）连接。本实用新型目的在于解决了给鸭子喂水难的问题，节省了大部分的人力，而且能够保证补水充足。 ...

Thermal power plant load optimal distribution method and device and electronic equipment

The embodiment of the invention provides a thermal power plant load optimal distribution method and device and electronic equipment, and belongs to the field of energy power generation. The method comprises the following steps: collecting unit parameters corresponding to each unit of the thermal power plant; predicting the predicted generating capacity of the thermal power plant in the distribution period and the node electricity price corresponding to each time node in the distribution period; and according to the unit parameters, the predicted generating capacity and the node electricity price, a target result is obtained through calculation. According to the embodiment of the invention, the total power generation amount, the coal consumption characteristics of each unit, the climbing rate, the power generation output upper and lower limits, the non-economic operation interval and other production condition constraints are comprehensively estimated, the output of each unit at each moment ...

Piano black spraying-free PC/MS alloy material and preparation method thereof

The invention relates to the technical field of polymer alloy materials, in particular to a piano black spraying-free PC/MS alloy material and a preparation method thereof. The piano black spraying-free PC/MS alloy material is prepared from the following components in parts by weight: 30 to 70 parts of PC resin, 20 to 50 parts of MS resin, 10 to 20 parts of a toughening agent, 0.1 to 0.5 part of an antioxidant, 0.1 to 0.5 part of a lubricating agent and 0.5 to 3 parts of toner. The piano black spraying-free PC/MS alloy material provided by the invention has very high blackness and glossiness, and excellent mechanical properties, heat resistance, weather resistance and scratch resistance, and can be directly applied to automobile exterior decoration products to achieve a piano black spraying-free effect.

Multi-sulfonic-group anti-flocculation humic acid as well as preparation method and application thereof

The preparation method comprises the following steps: mixing and dissolving triethanolamine, phosphorus trichloride and a solvent, adding a catalyst, adding a mixed solution of humic acid and the solvent, carrying out heating reaction, carrying out rotary evaporation to remove the solvent, washing with hot water, standing, filtering, and carrying out vacuum drying to obtain the multi-sulfonic-group anti-flocculation humic acid. The triethanolamine modified humic acid is obtained; and dissolving triethanolamine modified humic acid in a solvent, slowly dropwise adding a sulfonating agent at low temperature, carrying out rotary evaporation to remove the solvent after the reaction is finished, and carrying out water washing, centrifugation and vacuum drying to obtain the multi-sulfonic-group anti-flocculation type humic acid. The triethanolamine is used for modifying humic acid, the content of carboxyl around humic acid molecules is reduced, meanwhile, sulfonation sites are increased, high-hydrophilicity ...

High-wear-resistance steel plate and online manufacturing method thereof

The invention relates to the technical field of wear-resistant steel preparation, in particular to a high-wear-resistance steel plate and an online manufacturing method thereof. The steel plate comprises the following chemical components in percentage by weight: 0.18%-0.35% of C, 1.00%-1.50% of Si, 1.80%-2.50% of Mn, 0.18%-0.35% of Plt, 0.20%-0.30% of Cr, 0.20% 0.010%, Slt; the steel plate comprises the following components in percentage by weight: 0.003% of Fe, 0.015%-0.035% of Al, 0.20%-0.40% of Cr, 0.020%-0.060% of V and the balance of Fe and inevitable impurities, wherein C + Mn/10 + Cr/15 + 3V is less than or equal to 0.65%. By reducing the carbon content, reasonably adjusting the relative content of economic elements such as Si, Mn, Cr and V and controlling C + Mn/10 + Cr/15 + 3V which has important influence on wear resistance, a long-process off-line quenching and tempering process of traditional wear-resistant steel is omitted, and a proper on-line air cooling short-process process ...

Automatic positioning circulation system and method for pulsation production line

The invention relates to an automatic positioning circulation system and method for a pulsation production line, and belongs to the field of aerospace liquid engine automatic assembly production lines. The automatic positioning and circulating system comprises a control system, a conveying mechanism, a stopping part, an in-place sensor, an in-place sensor, a separating mechanism, a special carrier and a positioning and rotating mechanism; motion signals of magnetic switches, photoelectric sensors and the like are received based on a control system, executing mechanisms such as a conveying mechanism, a detection blocking mechanism, a separating mechanism and a positioning rotating mechanism are further driven to act, and automatic positioning and circulation of workpieces are achieved. The method adapts to the construction requirement of a pulsation rhythm production line of a liquid rocket engine, and can effectively solve the problems that a disclosed automatic positioning scheme is low ...

Electrical equipment protection equipment

The invention relates to electrical equipment protection equipment, which is used for preliminarily identifying similar malicious websites by using the reading maliciousness of each website, and then identifying and obtaining malicious websites by using the number of electrical equipment parameters read by the similar malicious websites and the reading time points of the read electrical equipment parameters. And according to the normally read electrical equipment parameters, malicious websites are distinguished from the attributes of the maliciously read electrical equipment parameters, so that the accuracy of malicious interception measurement can be efficiently improved. Compared with an existing mode that malicious interception of a server is measured and prompted through configuration of a guard component, the method analyzes the electrical equipment parameters which are measured by the guard component and read, judges malicious websites according to attributes of the read electrical ...

Household all-in-one machine

The invention discloses a household all-in-one machine which comprises a high-power mobile power supply, an inverter, a high-voltage box, a plurality of battery modules and a mopping and sweeping all-in-one robot which are sequentially stacked from top to bottom in the vertical direction. The front panel is provided with a control display screen, an input port, an LED outdoor display lamp, an output port and a three-phase power socket. A touch display screen and a display lamp are arranged on the front face of the inverter, photovoltaic terminals are arranged on the two sides of the inverter, and the photovoltaic terminals are used for being connected with a photovoltaic assembly and a cable in a distribution box. A BMS main control board, a main positive contactor, a current sensor, a main negative contactor and a first fuse are arranged in the high-voltage box, a knob circuit breaker is arranged on the surface of the high-voltage box, and the BMS monitors state data of each battery in ...

Anti-toppling telegraph pole body reinforcing base

The invention discloses an anti-toppling telegraph pole body reinforcing base, and relates to the technical field of electrical equipment, the anti-toppling telegraph pole body reinforcing base comprises an underground reinforcing part and an overground warning part, the underground reinforcing part and the overground warning part are the same in structure, and a warning sticker is arranged on the outer side of the overground warning part; the underground reinforcing bottom comprises an inner fixing cylinder, an outer fixing cylinder and reinforcing ribs; reinforcing ribs are arranged between the inner fixing cylinder and the outer fixing cylinder, and a bottom plate is arranged at the bottoms of the inner fixing cylinder and the outer fixing cylinder; the inner fixing cylinder comprises at least two groups of first inner arc plates and a first bracket, the first bracket comprises a first transverse supporting plate and a first longitudinal supporting plate, the first transverse supporting ...

Management method and device of daemon thread for garbage collection and electronic equipment

The embodiment of the invention provides a management method and device of a daemon thread for garbage collection and electronic equipment. Based on the method, when the second thread applies for the GC lock, if the third thread holds the GC lock and the SGC determines that the running scene of the application program is the target scene, the SGC indicates the kernel layer to improve the thread priority of the third thread so as to accelerate the execution speed of the third thread, and thus the waiting time for the application program to execute the second thread is shortened. Moreover, when the third thread enters the stage of cleaning the weak reference object, based on the method, the speed of cleaning the weak reference object can be increased by improving the thread priority of the third thread, so that the blocking time of calling the weak reference object by JNI, Binder and the like is shortened.

Fine coal lock fill flute pipe device

... 本实用新型公开了一种粉煤锁斗笛管装置，包括有粉煤锁斗、笛管、氮气管线，笛管安装于粉煤锁斗锥部，笛管用螺栓固定，笛管进气口连接于粉煤锁斗氮气进口，笛管上设置均匀合理分布的孔眼，用于通气疏松粉煤。本实用新型结构简单、造价低；转变笛管采用烧结金属设计制造的思路，在笛管原有设备的基础上进行加工改造，确保在粉煤锁斗内部安装的方便快捷，同时解决了烧结金属膜片孔眼易堵阻力大，易冲破的问题，减少粉煤架桥次数，稳定气化装置的运行，提高了生产效益。 ...

Environmental protection and energy saving gas heat -supply boiler system

... 本实用新型公开了一种环保节能燃气供热锅炉系统，其技术方案要点是：包括锅炉房单元、热网单元和室内供热单元，所述锅炉房单元包括锅炉、水箱、分水器、集水器、常用采暖循环水泵和常用热水循环补水泵，所述室内供热单元包括室内管道和散热器，所述室内管道连接有热收集箱，所述热收集箱连接至室内油烟机，所述热收集箱上设有排烟口，所述热收集箱内设置有雾化器，所述雾化器连接有提水泵，所述热收集箱还设置有排水口。本实用新型解决了现有的燃气供热锅炉系统的节能效果较差的问题以及用户排出的废气污染问题，达到了节能环保的效果。 ...