Seat folding device

The invention relates to a seat folding device comprising a comfort piece, an unlocking pin, a pawl, a base plate and a locking claw, the locking claw penetrates through the base plate to be fixed on an angle adjuster and can rotate relative to the base plate, and the comfort piece for eliminating clearance and the pawl for locking are concentrically and rotatably mounted on the base plate and act on the locking claw. The unlocking pin is rotatably inserted into the pawl to serve as a power source to drive unlocking of the comfort piece and the pawl. According to the seat folding device, the pawl and the comfortable piece are adopted to independently achieve the locking function and the gap eliminating function, it is guaranteed that the unlocking force is small enough under the loaded condition, after the gap eliminating function and the locking function are separated, the gap can be effectively eliminated even under the loaded condition, meanwhile, the bearing capacity is greatly improved ...

Film twisting device and film twisting rope type mulching film recycling machine

The invention provides a film twisting device and a twisted film rope type mulching film recycling machine, and relates to the technical field of agricultural machinery, the film twisting device comprises multiple first film twisting mechanisms, a transmission assembly and a second film twisting mechanism, the multiple first film twisting mechanisms are located on the front side of the second film twisting mechanism, and the multiple first film twisting mechanisms and the second film twisting mechanism are connected through the transmission assembly; the first film twisting mechanism is used for twisting the sheet-shaped mulching film into a rope-shaped mulching film; the second film twisting mechanism is used for twisting the multiple strands of rope-shaped mulching films twisted by the first film twisting mechanisms into one strand of rope-shaped mulching film. And the mulching film is rotated and twisted into a rope-shaped structure through the film twisting device, so that the occupied ...

Asymmetric wheel leg type all-directional moving chassis

The invention discloses an asymmetric wheel leg type all-directional moving chassis. The asymmetric wheel leg type all-directional moving chassis comprises a chassis frame, a controller, mechanical legs, Mecanum wheels, drivers and sensors, wherein the mechanical legs are hinged to the chassis frame and arranged at four directions of the chassis frame, the Mecanum wheels are mounted at the tail ends of the mechanical legs respectively and are driven by the independent drivers, and the drivers and angle sensors are connected with the controller. The drivers and the angle sensors on the mechanical legs are connected with the controller arranged in the middle of the chassis frame, and the controller receives signals of the sensors, sends out control commands and controls the drivers in a closed loop manner by the drivers. The horizontal sensors are fixed on the chassis frame and connected with the controller and are used for measuring inclination of the chassis frame. On the basis of all-directional ...

Porous carbon hybrid material with double-layer hollow core-shell structure as well as preparation method and application of porous carbon hybrid material

The invention discloses a porous carbon hybrid material with a double-layer hollow core-shell structure as well as a preparation method and application thereof, the method comprises the following steps: dissolving 2-methylimidazole powder in methanol, and adding double-layer hollow Co-MOF-74 powder to form a uniform suspension A; dissolving zinc nitrate hexahydrate in methanol to form a solution B; adding the solution B into the suspension A, and performing centrifugal separation, washing and drying to obtain double-layer hollow Co-MOF-74-coated ZIF-8 core-shell structure powder; and annealing the double-layer hollow Co-MOF-74-ZIF-8 core-shell structure powder under argon protection to obtain a double-layer hollow core-shell structure porous carbon hybrid material, placing the double-layer hollow core-shell structure porous carbon hybrid material in a nitric acid solution, carrying out stirring reaction in a water bath kettle, carrying out centrifugal separation on the product, washing ...

Grating positioning mark and preparation method and positioning method thereof

The invention provides a grating positioning mark as well as a preparation method and a positioning method thereof. Wherein the grating positioning mark comprises a positioning area and a positioning mark grating; the positioning area is arranged at a set position of the substrate; and the positioning mark grating is arranged in the positioning area. For a substrate provided with a working grating, the grating positioning mark can be arranged on the substrate to position the working grating, that is, a fixed distance value is set for the positioning mark grating and the working grating on the substrate, and then the purpose of positioning the working grating is indirectly achieved through positioning operation on the positioning mark grating. Compared with an existing positioning mark, the identification precision of the positioning mark can be greatly improved by utilizing the diffraction characteristic of the grating.

Blood storage device

The utility model discloses a blood storage device. The device comprises a storage box, a storage chamber, an upper inflatable bag, a lower inflatable bag and flexible PE covering cloth, a buckle cover covers the top of the storage box in a buckled mode, the bottom of the buckle cover is provided with the storage chamber, the upper inflatable bag is arranged in the storage chamber in a glued mode,the lower inflatable bag is arranged in the storage box in a glued mode, and one end of the upper inflatable bag and one end of the lower inflatable bag are provided with inflation nozzles. The storage stability of the blood bag in the storage box is guaranteed, the blood bag is effectively clamped, the situation that the blood bag shakes and moves repeatedly in the bumping process is avoided, and the bag breaking phenomenon is greatly reduced.

Application of E3 ubiquitin ligase RNF170L and coding gene thereof in resisting potato Y virus

The invention discloses application of E3 ubiquitin ligase RNF170L and a coding gene thereof in resisting potato Y virus, and belongs to the technical field of biology. The invention researches and verifies that E3 ubiquitin ligase RNF170L from nicotiana benthamiana can negatively regulate PVY infection for the first time. Further research on the action mechanism of the E3 ubiquitin ligase RNF170L shows that the E3 ubiquitin ligase RNF170L interacts with 6K2 protein in PVY in vivo; in addition, the E3 ubiquitin ligase RNF170L also interacts with the NbRHD3 in the plant body, and the overexpression of the E3 ubiquitin ligase RNF170L can promote the degradation of the NbRHD3, thereby inhibiting the infection of PVY. Therefore, the E3 ubiquitin ligase RNF170L can be used as a novel plant antiviral target. And the strain is applied to prevention and treatment of potato Y virus diseases, and has important application value.

Oil temperature cooling monitoring method and system and storage medium

The invention particularly relates to an oil temperature cooling monitoring method and system and a storage medium, the oil body temperature of an oil body device can be finely decomposed and managed, the oil body cooling efficiency is higher, the oil body cooling effect is better, different proper cooling effects can be adopted for graded cooling for different oil body devices, cooling means corresponding to different grades are triggered, and the oil body cooling monitoring system is suitable for different oil body devices. The method comprises the following steps of: monitoring the temperature change rate of an oil body and the volume change quantity of the oil body in real time to realize targeted cooling, further improving the cooling refinement degree of the oil body device by monitoring the data values of the temperature change rate of the oil body and the volume change quantity of the oil body, and establishing dynamic regulation and control mapping model data by monitoring the ...

Hydraulic pilot-operated independent load multi-way valve adopting pressure-torsion two-dimensional spring

The invention provides a hydraulic pilot-operated independent load multi-way valve adopting a pressure-torsion two-dimensional spring. The hydraulic pilot-operated independent load multi-way valve comprises a plurality of independent load valves, wherein each independent load valve comprises a valve body, two valve cavities are arranged in each valve body, each valve body is provided with an oil supply port and an oil return port which are respectively communicated with the valve cavities, each valve cavity is communicated with a control oil port, a valve core is arranged in each valve cavity, one end of each valve core is connected with a hydraulic pilot-operated structure, the other end of each valve core is connected with the pressure-torsion two-dimensional spring, the oil supply ports of the independent load valves are communicated, and the oil return ports of the independent load valves are communicated. According to the scheme provided by the invention, the hydraulic pilot-operated ...

Method for checking and accepting waterproof asphalt

The invention relates to the field of asphalt detection, in particular to a waterproof asphalt acceptance method which comprises the following steps: preparing sample asphalt into a dumbbell-shaped test piece; performing constant-temperature freezing treatment on the dumbbell-shaped test piece at a target experimental temperature for a first preset time; performing a tensile fracture test on the dumbbell-shaped test piece subjected to the constant-temperature freezing treatment at the target experimental temperature to obtain tensile fracture parameters; determining the ultimate tensile strain and fracture energy of the sample asphalt according to the tensile fracture parameters; judging whether parameters of the sample asphalt reach the standard or not according to the ultimate tensile strain and the fracture energy; when the parameters of the sample asphalt reach the standard, it is determined that acceptance inspection of the sample asphalt is successful, and a corresponding sampling ...

Ultralow-temperature biaxial stretching gas permeability measuring device and method

The invention discloses an ultralow-temperature biaxial stretching gas permeability measuring device and method, and relates to the technical field of detection instruments.The ultralow-temperature biaxial stretching gas permeability measuring device comprises a portal frame, a testing cavity unit, a clamping unit, a two-way stretching load driving unit and an ultralow-temperature loading unit, and the ultralow-temperature loading unit is located on one side of the two-way stretching load driving unit; the two-way tensile load driving units are located on the two sides of the testing cavity unit, the testing cavity unit is connected with a cross beam at the bottom of the portal frame through bolts, and the clamping unit is located above the testing cavity unit. According to the ultralow-temperature biaxial stretching gas permeability measuring device and method adopting the structure, a biaxial stretching device for a sample and overall cooling equipment for test equipment are additionally ...

Environment-friendly heat-preservation asphalt mold casting device

The utility model provides an environment-friendly heat preservation asphalt mold casting device which comprises a mold casting device body of a cup-shaped structure, the mold casting device body comprises an inner wall, a heat preservation layer and an outer shell, and the heat preservation layer is arranged between the inner wall and the outer shell. Wherein the inner wall is of a nano anti-sticking layer structure; according to the utility model, the inner wall of the nano anti-sticking layer structure is adopted, so that the inner wall of the mold casting device is not stuck with asphalt,and meanwhile, the asphalt is convenient to clean; the thermal insulation layer is adopted, so that the fluidity of asphalt can be effectively guaranteed, a long-time mold casting test is guaranteed,and meanwhile, personnel are effectively prevented from being scalded; the asphalt mold casting device disclosed by the utility model can be repeatedly used and has important significance for environmental ...

Magnesia dedusting system of oriented silicon steel hot drawing annealing set

The invention relates to a magnesia dedusting system of an oriented silicon steel hot drawing annealing set, comprising a pneumatic valve, a dust remover, a fan, a dust-exhausting cover, an air curtain and ash transportation equipment, wherein the dust-exhausting cover and the air curtain are installed on an uncoiler and inlet scissors and are connected to the dust remover and the fan by the pneumatic valve and an air conduit; the ash transportation equipment is positioned on the lower part of the dust remover to remove magnesia dust cleaned by the dust remover. Because of adopting novel structure, the invention can overcome the defect of the prior art and especially has the advantages of high dust capturing efficiency, low energy consumption and failure rate and the like.

Neutron flux tube processing device and method

The embodiment of the invention discloses a neutron flux tube treatment device and method, the neutron flux tube treatment device comprises an old neutron flux tube removal assembly and a new neutron flux tube preparation assembly, and the old neutron flux tube removal assembly comprises a pool body, a moving assembly, a clamp, a shearing tool, a hydraulic system, a transfer storage container and a far-end opening piece. According to the neutron-flux tube treatment device provided by the embodiment of the invention, the clamp is used for carrying out underwater positioning and clamping on the reactor core neutron-flux tube, and the old neutron-flux tube is turned over before the old neutron-flux tube is sheared and collected, so that the generation of high-radioactivity wastes can be effectively reduced, a transfer storage container can be opened and closed at the far end, and the treatment efficiency is improved. The neutron-flux tube processing device has the advantages of being small ...

Mechanical energy water and fertilizer machine

The invention discloses a mechanical energy water and fertilizer machine which comprises a rack, a fertilizer box is mounted on the rack, and a fertilizer discharging mechanism is mounted at the bottom of the fertilizer box; a driving water wheel is rotationally mounted on the rack and is in driving connection with the fertilizer discharging mechanism; a mixing and stirring mechanism and a supporting plate are mounted below the fertilizer discharging mechanism; the middle part of the supporting plate is provided with a downward concave part positioned below the fertilizer discharging mechanism; the mixing and stirring mechanism comprises a transverse mixing and stirring unit mounted at the lower concave part; the transverse mixing and stirring unit comprises a first shaft body and a plurality of rod bodies fixed on the first shaft body; the mixing and stirring mechanism further comprises a rotating wheel mounted above the transverse mixing and stirring unit, and a rotating shaft of the ...

Exposure light path reproduction and grating reproduction method

The invention provides an exposure light path reproduction method and a grating reproduction method, and the exposure light path reproduction method comprises the following steps: obtaining a reference grating which is exposed by adopting a first exposure light path; and building a second exposure light path by using the reference grating, so that the second exposure light path reproduces the first exposure light path. When the gratings with different grating periods are manufactured, specific exposure light paths need to be built based on the grating periods, so that the method can reproduce the specific exposure light paths with the specific grating periods, and further reproduce the gratings with the specific grating periods through the exposure light paths with the specific grating periods.

Digital control boring spindle for processing deep blind-hole bottom inner camber

The invention discloses a numerical control boring rod which processes the internal camber of the bottom end of a deep blind hole, comprising a boring rod sleeve, a swing cutter rod, a swing shaft, a servo motor connected with the boring rod sleeve, a transmission shaft, a swing driving gear, and an umbrella gear pair; the rear of the swing cutter rod is provided with a swing gear; the output shaft of the servo motor is fixedly connected with the transmission shaft fixed in a bearing seat in the boring rod sleeve through a connecting shaft; the transmission shaft drives a driven umbrella gear and the swing driving gear which is arranged on a transition shaft together with the driven umbrella gear to rotate through a drive umbrella gear; the swing driving gear is engaged with the swing gear of the swing cutter rod, thus driving the swing shaft and the swing cutter rod to rotate and swing. The invention solves the technical problems that the camber of the internal hole at the bottom end of ...

Dendrobium officinale total alkaloid extract with digestive tract tumor resisting effect as well as preparation method and application of dendrobium officinale total alkaloid extract

The invention discloses a dendrobium officinale total alkaloid extract with an anti-digestive tract tumor effect and a preparation method and application thereof, the preparation method comprises the following steps: (1) taking dendrobium officinale stem powder, adding an acid alcohol extracting solution, and performing extraction treatment to obtain a dendrobium officinale total alkaloid crude extracting solution; (2) extracting the dendrobium officinale total alkaloid crude extract, standing for phase splitting, and carrying out rotary evaporation treatment to obtain a total alkaloid extract; (3) dissolving the total alkaloid extract with absolute ethyl alcohol to obtain a total alkaloid loading solution; (4) mixing the total alkaloid loading solution with macroporous resin, carrying out static adsorption, washing off impurities by using an ethanol water solution, and carrying out static desorption by using ethanol to obtain an ethanol eluent; and (5) carrying out nitrogen blowing on ...

Splicing wall control method, splicing wall control system and related splicing wall

The embodiment of the invention provides a splicing wall control method. The splicing wall control method comprises the following steps: after no less than one window is opened by a splicing wall control system, determining the window type of the opened window, wherein the window type is used for representing the type of the window; receiving a window closing signal by the splicing wall control system, wherein the window closing signal is used for indicating the splicing wall control system to close the window with a preset type; closing the window with the same window type as the preset type according to the window closing signal by the splicing wall control system. The splicing wall control method provided by the embodiment of the invention can realize batch management for the opened window, so that the flexibility and efficiency of window closing operation are improved, and the user experience is improved. The embodiment of the invention further provides the related splicing wall control ...

Method for removing magnesium oxide dust in oriented silicon steel production

The invention relates to a method for removing magnesium oxide dust in oriented silicon steel production, which comprises the following steps: introducing high-pressure air from high-pressure blowpipes, observing the working condition through an observation port, adjusting the opening widths and angles of adjustable nozzles of two pairs of blowpipes, spraying the dust to the upper and lower surfaces of a silicon steel belt positioned at the central line of a closed cover in a mode of opposite blow and inclined angle, and striping the magnesium oxide dust collection on the silicon steel belt under the actions of blowing and beating of the airflow; pumping away the dust stripped by the high-pressure airflow and the lifted dust-containing air by using an exhaust port of an exhaust pipe through a middle exhaust cavity of the exhaust pipe; and feeding the pumped dust-containing airflow to a dust removing and purifying facility through a pipe system, separating the magnesium oxide dust collection ...

Cotton stalk and mulching film recycling all-in-one machine

The invention provides a cotton stalk and mulching film recycling all-in-one machine, and relates to the technical field of agricultural machinery, the mulching film recycling machine comprises a rack, and a cotton stalk recycling assembly and a mulching film recycling assembly which are connected with the rack; the cotton stalk recycling assembly comprises a first shell, and a picking assembly, an auger assembly and a crushing assembly which are arranged in the first shell; the mulching film recycling assembly is located behind the cotton stalk recycling assembly and comprises a film cutting mechanism, a walking film cutting mechanism, a film lifting mechanism and a belt type film twisting device. By means of the all-in-one machine, cotton stalks can be harvested, smashed and recycled, meanwhile, a sheet-shaped mulching film can be twisted for multiple times through the mulching film recycling assembly to form a strand of rope-shaped mulching film, then the occupied space of the sheet-shaped ...

Antibacterial, antioxidant and self-adhesive multifunctional composite hydrogel dressing and preparation method thereof

The invention discloses an antibacterial, antioxidant and self-adhesive multifunctional composite hydrogel dressing and a preparation method thereof, and belongs to the field of medical and health materials. The multifunctional composite hydrogel dressing is prepared by the following steps: (1) adding chitosan powder into a glacial acetic acid aqueous solution to be completely dissolved, then dropwise adding 2, 3-epoxypropyl trimethyl ammonium chloride, centrifugally collecting supernate, filtering, dialyzing and freeze-drying to obtain quaternary ammonium salt chitosan; (2) dissolving quaternary ammonium salt chitosan in deionized water to obtain a quaternary ammonium salt chitosan solution; dissolving quercetin in absolute ethyl alcohol to prepare a quercetin solution; dissolving dopamine hydrochloride in a sodium hydroxide solution; uniformly mixing the three solutions according to a certain proportion; and (3) adding acrylamide, N, N-methylene bisacrylamide, ammonium persulfate and ...

Air knife of dust exhaust device for removing magnesium oxide dust in grain-oriented silicon steel production

The invention relates to an air knife of a dust exhaust device for removing magnesium oxide dust in grain-oriented silicon steel production, which comprises a shell, an air blower and an air exhaust device, wherein the shell is a sealed cover of which a cover body is arranged on a grain-oriented silicon steel production line; the sealed cover is provided with an observation opening (7); an inlet and an outlet of the sealed cover are provided with rubber curtain doors for the exit and entrance of silicon strips; wearable retaining boards (8) which hold the silicon strips are arranged in the sealed cover; the two sides of the centre line of the sealed cover are provided with two pairs of blowpipes (9) respectively; each pair of blowpipes is provided with adjustable nozzles (2); and air exhaust nozzles (10) which remove and exhaust the magnesium oxide dust are arranged in the vicinity of jet points where airflows are jetted by the adjustable nozzles (2), and are arranged at the dust exhaust ...

Dust cleaning apparatus for cleaning magnesia powder dust on band steel

The invention belongs to the technical field of production of cold-rolling oriented silicon steel and relates to a dust removal device for removing magnesia powder on strip steel, which is characterized in that the dust removal device comprises a shell, a first sweeping air knife, an upper aspirator, an upper passing guide plate, a lower passing guide plate, a lower aspirator, a second sweeping air knife, a third sweeping air knife and a fourth sweeping air knife, wherein the first sweeping air knife, the second sweeping air knife, the third sweeping air knife and the fourth sweeping air knife are fixed inside a cavity of the shell; both the first sweeping air knife and the fourth sweeping air knife are positioned on the outlet side of the strip steel; an air nozzle of the first sweeping air knife passes through the upper passing guide plate and is opposite to the movement direction of the strip steel; an air nozzle of the fourth sweeping air knife passes through the lower passing guide ...

Dust cleaning apparatus for cleaning magnesia powder dust on band steel

The invention belongs to the technical field of production of cold-rolling oriented silicon steel and relates to a dust removal device for removing magnesia powder on strip steel, which is characterized in that the dust removal device comprises a shell, a first sweeping air knife, an upper aspirator, an upper passing guide plate, a lower passing guide plate, a lower aspirator, a second sweeping air knife, a third sweeping air knife and a fourth sweeping air knife, wherein the first sweeping air knife, the second sweeping air knife, the third sweeping air knife and the fourth sweeping air knife are fixed inside a cavity of the shell; both the first sweeping air knife and the fourth sweeping air knife are positioned on the outlet side of the strip steel; an air nozzle of the first sweeping air knife passes through the upper passing guide plate and is opposite to the movement direction of the strip steel; an air nozzle of the fourth sweeping air knife passes through the lower passing guide ...

Repeated film-soil separation type plough layer residual film recycling machine

The invention provides a multi-time film-soil separation type plough layer residual film recycling machine, and relates to the technical field of agricultural machinery, the multi-time film-soil separation type plough layer residual film recycling machine comprises a rack, and the rack is sequentially connected with a film lifting device, a film removing device and a conveying device; the film lifting device is provided with film lifting teeth for lifting a film so as to realize first-time film-soil separation, and second-time film-soil separation can be realized by utilizing the film stripping device; performing third film-soil separation on the film soil on the film conveying screen by using the conveying device; according to the residual film recycling machine provided by the technical scheme of the invention, multiple film-soil separation processes can be realized, the problem of soil entrainment of a plough layer residual film recycling machine in the prior art is effectively solved ...

Device for sweeping continuous slab band edge part

The invention belongs to the field of cleaning and drying of a steel continuous slab band or a non-ferrous metal continuous slab band, and in particular relates to an edge sweeping device for a continuous slab band. The edge sweeping device for the continuous slab band comprises a machine body, a compressed air main pipe, an upper left nozzle, a lower left nozzle, an upper right nozzle and a lower right nozzle, wherein the inside of the machine body is provided with a sweeping cavity; the rear lateral face of the machine body is provided with a slab band inlet, and the front lateral face of the machine body is provided with a slab band outlet; the slab band inlet and the slab band outlet are communicated with the sweeping cavity respectively; the upper left nozzle and the lower left nozzle are positioned on the inner left part of the sweeping cavity of the machine body respectively; and the upper right nozzle and the lower right nozzle are positioned on the inner right part of the sweeping ...

Hydraulic guide structure and rotary motor driving independently loaded multi-way valve with same

The invention provides a hydraulic guide structure and a rotary motor driving an independently loaded multi-way valve with the same. The hydraulic guide structure comprises a hydraulic half-bridge guide structure and a hydraulic a full-bridge guide structure which are respectively composed of a guide valve element with an oblique linear groove, a guide valve bush, a sleeve and the like. By the above scheme, the oblique linear groove is arranged in the guide valve element to reduce the difficulty of machining, improve the convenience and consistency of machining, and obtain large guide amplification coefficient and high reliability. The rotary motor driving an independently loaded multi-way valve with the hydraulic guide structure is simple in structure and easy to machine, and breaks the limitation that coupling need to be performed when the throttling areas of an inlet and an outlet are of the same through the double valve element control technology, so that the system has double freedom ...

Device for sweeping continuous slab band edge part

The invention belongs to the field of cleaning and drying of a steel continuous slab band or a non-ferrous metal continuous slab band, and in particular relates to an edge sweeping device for a continuous slab band. The edge sweeping device for the continuous slab band comprises a machine body, a compressed air main pipe, an upper left nozzle, a lower left nozzle, an upper right nozzle and a lower right nozzle, wherein the inside of the machine body is provided with a sweeping cavity; the rear lateral face of the machine body is provided with a slab band inlet, and the front lateral face of the machine body is provided with a slab band outlet; the slab band inlet and the slab band outlet are communicated with the sweeping cavity respectively; the upper left nozzle and the lower left nozzle are positioned on the inner left part of the sweeping cavity of the machine body respectively; and the upper right nozzle and the lower right nozzle are positioned on the inner right part of the sweeping ...

Method for removing magnesium oxide dust in oriented silicon steel production

Intelligent management and control system for aviation heat meter processing workshop

According to the intelligent management and control system for the aviation heat meter processing workshop, the efficient intelligent management and control system is constructed, the integration effect of all functional modules is fully exerted, information tracing and analysis of the whole process of the aviation system heat meter processing workshop are achieved, the product quality stability is improved, and safe and stable production and operation of equipment are guaranteed; and the energy consumption cost is reduced, environmental protection is guaranteed to reach the standard, a heat meter processing workshop visual monitoring environment is designed, and the external display degree is improved while centralized management and control are achieved.

Digital control boring spindle for processing deep blind-hole bottom inner camber

Sea urchin-shaped hollow series metal organic framework structure as well as preparation method and application thereof

The invention discloses a sea urchin-shaped hollow series metal organic framework structure and a preparation method and application thereof, and the method comprises the following steps: uniformly dispersing a precursor MOFs and an organic ligand in N, N-dimethylformamide, then transferring into a high-pressure reaction kettle, and placing the reaction kettle in a constant-temperature blast drying box for reaction; and after the reaction is finished, centrifuging, washing and drying the product to obtain the urchin-shaped hollow series metal organic framework structure. And placing the sea urchin-shaped hollow series metal organic framework structure in a tubular furnace in an argon atmosphere, and carrying out high-temperature annealing carbonization to form the sea urchin-shaped hollow series Co-MOF-74 (at) C structure. And mixing the sea urchin-shaped hollow series Co-MOF-74 (at) C structure with selenium powder, and then annealing under the protection of an argon atmosphere to obtain ...

Water and fertilizer machine capable of intelligently discharging fertilizer based on irrigation water flow and control method of water and fertilizer machine

The invention discloses a water-fertilizer machine capable of intelligently discharging fertilizer based on irrigation water flow and a control method thereof. The water-fertilizer machine comprises a rack, and a fertilizer box is mounted on the rack; a fertilizer discharging mechanism is mounted at the bottom of the fertilizer box; the fertilizer discharging mechanism is driven by a motor to operate; a solar cell panel and a storage battery are installed on the machine frame and electrically connected. The rack is further provided with a flow sensor, and the motor and the flow sensor are both connected with a control system. A mixing and stirring mechanism is arranged on the lower side of the fertilizer discharging mechanism, and the motor is in driving connection with the mixing and stirring mechanism. According to the invention, on one hand, the fertilizer discharge amount is controlled according to the flow information, so that the fertilizer discharge amount can be matched with the ...

Multi-industrial-manipulator controller based on double-layer CPG (central pattern generator)

The invention discloses a multi-industrial-manipulator controller based on a double-layer CPG (central pattern generator). A structure similar to a layered neural network, which the ganglion controlling activities of invertebrates has and which a central nervous system controlling activities of vertebrates has, is adopted, features of a multi-industrial-manipulator control system and those of a single industrial manipulator are combined, and collective coordination and information interaction of multiple industrial manipulators are efficiently synergic. Flexible joints and a rich sensor system are adopted, information utilization rate of the multiple industrial manipulators is increased, and the joints of the industrial manipulators are effectively controlled, so that the system has high reliability and stability. The sensor system has the ability of autokinetic movement while the industrial-manipulator is enabled to have sufficient dynamic performance and degree of freedom. The multi-industrial-manipulator ...