4361results about How to "Reduce gap" patented technology

The invention relates to the technical field of software reliability guarantee, in particular to a code vulnerability detection method based on efficient parameter fine tuning of a code pre-training model, which comprises the following steps: preprocessing source codes of a vulnerability data set; s2, converting the preprocessed source code, and extracting a token sequence and a code attribute graph path corresponding to the source code; s3, constructing a code vulnerability detection model, wherein the code vulnerability detection model comprises a semantic feature extractor, a structural feature extractor, a feature fusion layer and a classifier; s4, jointly training a code vulnerability detection model by using the token sequence corresponding to the extracted source code and the code attribute graph path; and S5, through the optimized code vulnerability detection model, outputting a result that whether the source code to be detected has vulnerabilities or not. According to the method, the model is finely adjusted through efficient parameter fine adjustment, training resources are saved, good performance is obtained, and the code vulnerability detection efficiency and accuracy are improved by fusing and learning semantic and structural features of source codes at the same time.

The invention relates to the technical field of rolling equipment, and discloses rolling equipment and a rolling method.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planes.The rolling equipment for the bimetal semi-solid composite planescomprises a rack, first sliding grooves are formed in the two sides of the supporting frame correspondingly, and first sliding bases are slidably installed in the two first sliding grooves correspondingly. Through the arrangement of the transmission mechanism and the adjusting frame, the bimetal semi-solid composite plate reciprocates for multiple times to penetrate through the space between the upper roller and the lower roller, the gap between the upper roller and the lower roller is gradually reduced through the transmission mechanism, and the bimetal semi-solid composite plate is rolled when moving leftwards; the bimetal semi-solid composite board is leveled when moving rightwards, the residual stress and tiny deformation in the material can be eliminated through the multiple circulating and reciprocating rolling and leveling processes, and the shape stability of the board is improved.

According to the road topology analysis and scene hierarchical representation method under environment open set perception reasoning, the image mask of the object instance is obtained, and the limitation of closed set environment perception is avoided; in combination with laser data, obtaining a three-dimensional instance of an object, and improving instance representation and open set understanding capability of a three-dimensional space of a complex open environment; based on object instances and large language model analysis and inference, artificially defined abstract objects or areas are obtained, an instance semantic map containing explicit and abstract objects is constructed, the environment cognition degree is improved, and the gap with the human cognition environment is shortened; in combination with an instance object map, point cloud geometric information and open vocabulary road semantics, environment obstacle information is extracted, a road Voronoi diagram is constructed, and the topology precision and generalization of an open scene are improved; finally, environment hierarchical representation containing geometry-semantics-topology is constructed, efficient understanding, reasoning and hierarchical representation of the environment are achieved, and an environment representation basis is provided for task application such as environment understanding, reasoning, query, positioning and planning.

The invention provides a battery cell and electric equipment, the battery cell comprises a shell and an electrode assembly, and the electrode assembly is accommodated in the shell; the shell comprises a first wall and a second wall which are oppositely arranged in the thickness direction of the battery cell, the first wall comprises a first sub-wall, a second sub-wall and a first connecting wall, the second sub-wall protrudes out of the first sub-wall in the direction away from the second wall, and the first connecting wall is connected with the first sub-wall and the second sub-wall; the distance between the first sub-wall and the second sub-wall is H1 along the thickness direction of the battery cell, and H1 is more than 0mm and less than or equal to 1.5 mm; and the included angle between the first connecting wall and the thickness direction of the battery cell is theta1 which is more than 0 degree and less than or equal to 45 degrees. According to the technical scheme, the fitting property of the shell and the electrode assembly can be good, the gap between the first connecting wall and the electrode assembly is small, the energy density of the battery cell can be improved, the electrode assembly is not prone to shaking in the shell, and the stability of the battery cell is good.

The invention discloses a wrapping machine for producing a waterproof tape for a submarine cable, and belongs to the technical field of cable manufacturing. The device comprises a fixed plate, the side wall of the fixed plate is rotationally connected with a rotating plate, the outer side of the rotating plate is fixedly sleeved with a fixed gear ring, a transmission gear meshed with the fixed gear ring is installed above the fixed gear ring, a motor is fixedly installed on the rear side of a supporting shell, and the motor is fixedly connected with the transmission gear through an output rod. And the inner side wall of the rotating plate is fixedly connected with a fixed cylinder through a bracket rod. According to the waterproof tape winding device, when a waterproof tape is wound, structures such as a fitting roller rotate along with rotation of a rotating plate, all the waterproof tape is pressed on a cable through the fitting roller, gaps between the cable and the waterproof tape are avoided, meanwhile, when the waterproof tape is wound on the cable, a mounting roller can rotate, and under the action of a transmission structure, the waterproof tape is wound on the cable through the mounting roller. Therefore, the effect of the laminating roller is improved, and dust on the surface of the cable can be cleaned.

The invention provides a rapid repairing method for an aerospace carbon fiber composite material, and belongs to the technical field of carbon fiber composite material repairing, in the aspect of cleaning, a special cleaning agent for self-research is free of damage and efficient, a preset cleanliness can be achieved by matching with a tool with a replaceable brush head, a foundation is laid for repairing, the damage is accurately measured by advanced detection equipment, the detection precision is 0.1 mm, and the detection efficiency is high. The repair material is scientific in formula and reasonable in component proportion, it can be guaranteed that the performance of a repaired part is close to that of an original part, the strict repair technology such as vacuum auxiliary pressure injection and autoclave curing guarantees sufficient curing and optimal performance of the material, and it is guaranteed that the quality reaches the standard through surface treatment and detection; all the devices of the equipment cooperate and are provided with intelligent systems, parameters can be regulated and controlled, the technology can be automatically adjusted, the structure meets special aviation requirements, carrying and operation are convenient, various scene requirements are met, and the equipment has great significance in guaranteeing aircraft operation and flight safety.

The invention relates to a deformable object manipulation method and device based on a vision and language model, and the method comprises the steps: building an operation environment for a deformable object, and the operation environment comprises a camera used for collecting the visual data of the deformable object and a mechanical arm used for manipulating the deformable object; performing visual information capture on the deformable object in the operation environment to obtain image data, and recording a corresponding language instruction; extracting a key action and a target object through a language model according to the language instruction, and generating an operation instruction; extracting spatial features according to the image data through a visual processing model; the spatial features and the operation instructions are fused, and a final operation strategy is generated through a machine learning algorithm; the operation strategy is converted into an execution instruction of the mechanical arm so as to control the deformable object; compared with the prior art, the precision and efficiency of the robot for processing the flexible object are remarkably improved, and effective technical support is provided for application in the fields of intelligent manufacturing, home furnishing, service and the like.

The invention relates to the technical field of lifters, and provides a multi-degree-of-freedom adjustable intelligent storage device which comprises a mounting frame body, a lifting swing frame and a horizontal swing frame, the lifting swing frame is arranged on the mounting frame body, and a lifting type swing mechanism is arranged between the lifting swing frame and the mounting frame body; the lifting swing mechanism is used for forcing the lifting swing frame to lift and swing in the vertical direction; the horizontal swing frame is arranged on the lifting swing frame, a horizontal swing mechanism is arranged between the horizontal swing frame and the lifting swing frame, and the horizontal swing mechanism is used for forcing the horizontal swing frame to translate in the horizontal direction and swing in the horizontal direction; the horizontal swing frame is provided with a conveying channel, the outlet end of the conveying channel is used for being in butt joint with the storage frame body, the horizontal swing frame is provided with a pushing mechanism, and the pushing mechanism is used for pushing PACK packages to the storage frame body; according to the intelligent storage device capable of achieving multi-degree-of-freedom adjustment, the storage precision can be improved.

The invention belongs to the technical field of cable processing, and particularly relates to cable processing equipment which is characterized in that a first supporting frame and a second supporting frame are rotationally connected with a first wrapping ring and a second wrapping ring respectively, the first supporting frame is provided with a positive driving wheel meshed with the first wrapping ring, and the second supporting frame is provided with a negative driving wheel and a negative synchronizing wheel meshed with the negative driving wheel; the reverse driving wheel is meshed with the second wrapping ring, the transmission ratio of the reverse driving wheel to the second wrapping ring is equal to the transmission ratio of the first wrapping ring to the positive driving wheel, and a driving device is arranged between the first supporting frame and the second supporting frame and connected with a controller. The output end of the driving device penetrates through the first supporting frame and the second supporting frame to be connected with the positive driving wheel and the negative driving wheel, and a wire guiding device is further arranged between the first supporting frame and the second supporting frame. And the problems of easy generation of gaps and high consumption of the wrapping tape in the same-direction multi-layer wrapping are reduced.

The invention discloses a stabilizing device for steel plate welding, and relates to the technical field of welding, the stabilizing device for steel plate welding comprises a machine body, and further comprises a moving device, a fixing device and a butt joint device; wherein welding equipment is fixedly connected to the top of the machine body, a long groove is formed in the bottom of the inner wall of the machine body, the moving device comprises a storage rack, a welding plate, a vertical plate, a winding roller, a supporting rod, a steel cable, a rack, a rotating rod, an incomplete gear, a U-shaped plate, a rubber column, a handle, a long rod and wheels, and the wheels are movably connected to the inner side of the long groove; according to the stabilizing device for steel plate welding, when a third spring moves downwards, the third spring can drive a pressing plate to move downwards, at the moment, the pressing plate makes contact with a welding plate, when the pressing plate makes contact with the welding plate, the pressing plate can fix the welding plate, and the phenomenon that the welding plate deviates when welding equipment conducts welding can be effectively prevented.

The invention relates to the technical field of tooth crest gap leakage, discloses a gear pump, and aims to solve the problem that the performance, the operation efficiency and the operation stability of the gear pump are reduced due to leakage jet flow caused by a relatively large tooth crest gap in the gear pump. A driving gear and a driven gear of the gear pump are mounted in a pump body, are in meshed connection and are used for driving fluid to flow in the pump body. And at least one of the driving gear and the driven gear is provided with a jet flow channel at the gear teeth. The jet flow channel is provided with a flow inlet and a jet flow opening which communicate with each other, and when the gear teeth rotate towards the high-pressure side, the flow inlet is formed in the high-pressure side of the gear teeth and used for enabling part of fluid to enter the jet flow channel from the flow inlet and be sprayed out from the jet flow opening so as to increase the drainage resistance of the tooth top gap. The spontaneous jet flow jetted through the jet flow channel and the leakage jet flow of the tooth crest gap form convection flow, so that the flowing speed of the leakage jet flow is reduced, the leakage flow resistance is increased, and the performance, the operation efficiency and the operation stability of the gear pump are improved.

The invention relates to the technical field of armoring machines, and provides a cable copper strip armoring machine which is used for winding a copper strip on a moving core wire to form an armoring wire, a first sleeve is provided with a first hole channel, two ends of the first hole channel are respectively a bare wire inlet and an armoring wire outlet, and the core wire enters the first hole channel through the bare wire inlet and enters the armoring wire outlet through the armoring wire outlet. The armored wire moves out of the first hole channel through the armored wire outlet, the first sleeve is further provided with a first belt inlet, and a copper belt enters the first hole channel through the first belt inlet. The first compression roller is rotationally arranged on the first sleeve and is in rolling butt joint with the surface of the armored wire; the two second pressing rollers are rotationally arranged in the first belt inlet and abut against the surface of the armored wire in a rolling mode. According to the technical scheme, the problems of winding path deviation, winding clearance, loosening after winding, insufficient compactness and the like in the copper strip armoring process caused by deformation of a certain degree due to the fact that the cable and the copper strip are possibly subjected to various external forces in the production, transportation and installation processes in the prior art are solved.

The invention belongs to the field of microwave heating, and discloses a solid-state microwave source which comprises a circuit board and a radio frequency connector connected with the circuit board, a heating element is arranged on the circuit board and connected with a first heat dissipation component through a heat sink, and one side, away from the first heat dissipation component, of the circuit board is detachably connected with a cover plate. An installation step is arranged on the surface of the first heat dissipation component and extends to at least one side edge of the first heat dissipation component, the heat sink is arranged in the installation step, and a second heat dissipation component is fixedly connected in the installation step and outside the side edge of the heat sink. The heat sink is arranged on the surface of the heat dissipation component through an open type step structure, the heat dissipation effect is further enhanced, a heating component and a radio frequency load which are prone to damage can be independently pulled out under the condition that a cover plate is not opened, replacement is more convenient, repeated work of secondary melting of welding spots to release stress is avoided, and the service life of the heat sink is prolonged. And the microwave oven is better in safety performance, free of maintenance, long in service life and suitable for microwave generation.

The invention discloses an electric energy metering box with a security structure, and relates to the technical field of metering boxes. The metering box comprises a metering box outer box, a metering box inner box is fixed in the metering box outer box, an I-shaped support is fixed on the rear side of the metering box outer box, a box door is hinged to the front side of the metering box outer box, an anti-shaking device is arranged on the front side of the I-shaped support, and the anti-shaking device comprises two hollow insertion columns. The two hollow insertion columns penetrate through and are slidably installed on the front side of the I-shaped support. Through the arrangement of the anti-shaking device, the screw rod, the internal thread plate, the hollow insertion column, the rotating column, the triangular push plate and the clamping plate are matched, and the spring of the hollow insertion column pushes the outer box of the metering box to be tightly attached to the wall body under the action of the elastic force of the spring corresponding to the hollow insertion column, so that a gap between the outer box of the metering box and the wall body is avoided.

The invention relates to the technical field of packaging bags, and discloses a moisture-proof medical packaging bag material and a preparation method thereof. The moisture-proof medical packaging bag material comprises a paper layer and a plastic layer, the paper layer comprises modified kraft paper, and the plastic layer comprises the following raw materials in parts by weight: 70-100 parts of polybutylene terephthalate adipate, 30-50 parts of polypropylene carbonate, 5-7 parts of modified mica and 1.5-3 parts of cellulose acetate oleate. The moisture-proof medical packaging bag material prepared by the invention has good water resistance and mechanical properties, also has good degradability, and has a good application prospect.

The invention discloses a bridge damage identification method under a moving load. The method comprises the following steps: 1, substituting bridge damage displacement data obtained through finite element simulation into a residual neural network to obtain a predicted damage reduction coefficient; 2, based on a Newmark-beta method, embedding available physical knowledge of a bridge structure into a feature learning process, and substituting a damage reduction coefficient obtained by network prediction into a physical equation to obtain predicted damage displacement data; 3, substituting the solved damage reduction coefficient and displacement damage data into a loss function to obtain a loss value, and updating network parameters; and 4, predicting bridge damage by using the trained physical guidance residual neural network. The method has high damage identification precision under the condition of considering the uncertainty of the vehicle weight and the uncertainty of the bridge structure parameters, and can improve the accuracy of damage identification of the network when the actually measured data is less.

The utility model discloses a cable protection intelligent grounding box comprising a box body, the top end of the box body is provided with a top cover, the two sides of the top cover are inclined and are provided with photovoltaic panels, the two sides of the top cover are provided with heat radiation ports, the box body is internally provided with a placing cabinet, the placing cabinet is internally provided with an intelligent monitoring assembly in a sliding manner, and the bottom end of the placing cabinet is internally provided with a support. A motor is arranged above the support, heat dissipation fan blades are connected to the output end of the motor, air inlets are formed in the two sides of the box body, a grounding assembly is arranged in the box body, a plurality of cable penetrating holes are formed in the bottom end of the box body, sleeves are arranged at the bottom end of the interior of the box body, and the sleeves correspond to the cable penetrating holes. According to the utility model, the motor drives the heat dissipation fan blades to rotate, so that heat generated between the cable and the grounding assembly rises, external air enters the box body from the air inlet, and heat generated by the intelligent monitoring assembly is driven to the top cover and is discharged from the heat dissipation port, thereby realizing a heat dissipation effect and preventing damage.

The invention relates to the technical field of oil and gas well cementation tools, in particular to a float collar float shoe for well cementation, and aims to solve the problem that an existing float collar float shoe is insufficient in reverse pressure bearing. According to the float collar float shoe for well cementation, the float shoe comprises a one-way valve, and the one-way valve comprises a valve body and a valve element; the valve element comprises a rod body, a rubber sleeve and a spring piece. One end of the rod body is sleeved with the rubber sleeve, and the rubber sleeve abuts against the valve body to form sealing; the spring piece is connected with the rod body and used for applying thrust to the rubber sleeve so that the rubber sleeve can be tightly pressed on the valve body. According to the one-way valve, the spring piece is arranged for sealing compensation, and the sealing performance and the pressure bearing capacity are improved. After the valve element abuts against the valve body under the action of an original spring to form sealing, the rubber sleeve is pressed and deformed to extrude the spring piece, then the spring piece deforms and generates elastic force to further press the rubber sleeve and the valve body, the pressing force is increased, radial shrinkage of the rubber sleeve is limited, and therefore the reverse pressure bearing capacity of the rubber sleeve is improved.

The invention discloses a double-sealed novel water pump which comprises a pump body and a pump shell, the pump shell is matched with the pump body, a motor is installed at the bottom end of the pump body, an impeller is installed at the top end of the pump body, the output end of the motor is fixedly connected with the impeller, an internal sealing ring is installed on the pump body, and a plurality of annular reserved cavities which are annularly arranged at equal intervals are formed in the pump body. According to the scheme, the cross section of the internal sealing ring is arranged to be in the L shape, the contact area between the internal sealing ring and the pump body and the contact area between the internal sealing ring and the pump shell are increased, and the service life of the internal sealing ring is prolonged; a gap generated between the inner sealing ring and the pump shell can be filled in time in a vibration environment through the arrangement of the annular expansion bag, second-layer sealing is achieved through the arrangement of the outer sealing assembly, the stability of the mounting hole is enhanced, leaked liquid is absorbed through the water absorption ring, and the threaded connection position between the extrusion ring and the pump shell is blocked.

The invention discloses a fine tuning method and system for precise parameters of a pre-training language model. The method comprises the following steps: constructing a robust adapter; a plurality of constructed robust adapters are connected in series to form a robust adapter chain, and the maximum chain node is determined; preparing a weight of a pre-training language model and a data set of a corresponding task label; firstly, each robust adapter in the robust adapter chain is subjected to preliminary training, optimization and approximate fine tuning of parameters of the robust adapters; after the parameters of the robust adapter are approximately fine-tuned, the parameters are combined with the weight of the preorder frozen pre-training language model to complete calculation of a current robust adapter chain node, residual information used for next iteration is generated, and the parameters of the current robust adapter are updated at the same time; and carrying out iterative training, updating residual information until the number of iterations is equal to the maximum node of the robust adapter chain, and obtaining the optimal weight of the pre-training language model and the optimal parameters of the robust adapters, so that more stable convergence and simpler hyper-parameter adjustment can be provided.

The invention relates to the technical field of tea watering, and discloses a tea watering device which comprises a processing box, the back of the processing box is fixedly connected with a water tank, the top of the water tank is communicated with a plurality of spray pipes, the spray pipes extend into the processing box, and inverted-T-shaped sliding grooves are formed in the left side and the right side of the processing box respectively. Reciprocating swinging of a rectangular shaft can drive a spraying pipe to swing, reciprocating swinging of a spraying head can expand the spraying coverage range, water is more evenly distributed on the surfaces of tea leaves, left-right movement of a moving sleeve can drive the spraying pipe to move left and right, and therefore the spraying range of the tea leaves is widened, and the tea leaves can make full contact with the water; after the tea leaves are in full contact with water, hydrolase can be activated by full contact with the water, macromolecular substances such as protein and polysaccharide in the tea leaves can be decomposed into micromolecular substances such as amino acid and monosaccharide by the hydrolase, and the taste and aroma components of the tea leaves are increased.

The present invention belongs to the technical field of mine ventilation, specifically a mine ventilation device, including a mine ventilation pipe and a coal filter box detachably mounted on the surface of one end of the mine ventilation pipe, a pipe lap table movably sleeved on the outer surface of the bottom of the mine ventilation pipe, and a mobile frame movably lapped on the bottom surface of the mine ventilation pipe, and a lifting and adjusting unit is arranged on the outer surface of the top of the mobile frame. The present invention overlaps one of the mine ventilation pipes on the top surface of the support pad, and at the same time, the bottom surface of one end of the convex sleeve is overlapped on the surface of the push plate to limit the position of the mine ventilation pipe, and the mobile frame is moved to the bottom surface of the rearmost mine ventilation pipe, so that the mobile frame is perpendicular to the bottom edge position of the mine ventilation pipe, and two pairs of semicircular support platforms are extended and lifted with the help of hydraulic rods so that the semicircular support platform is overlapped on the bottom surface of the mine ventilation pipe.

The utility model belongs to the technical field of cultural relic protection, and particularly discloses a museum cultural relic transportation device which comprises a bearing flat plate, damping rollers are fixedly arranged at the four corners of the lower side of the bearing flat plate, a deformable protection shell is arranged in the middle of the upper side of the bearing flat plate, and synchronous guide contraction mechanisms are arranged on the two adjacent sides of the deformable protection shell. A protective power mechanism is arranged on the other side of the deformable protective shell, a self-adaptive filling and stabilizing mechanism is arranged on the deformable protective shell, and a driving power source is fixedly arranged on the edge of the upper side of the bearing flat plate. Traditional filling materials are not needed, gaps and collisions between cultural relics and packaging materials are avoided through the self-adaptive filling and stabilizing mechanism, meanwhile, the synchronous guiding and shrinking mechanism can rapidly tighten and package the cultural relics, and the transportation efficiency is remarkably improved.

The invention discloses yttrium oxide-aluminum oxide transition layer composite ceramic and a preparation method and application thereof.The preparation method comprises the steps that quantitative aluminum oxide powder, transition mixed powder and yttrium oxide powder are sequentially laid in a forming mold of a cold isostatic pressing machine from bottom to top, and then the powder raw materials in the forming mold are evenly pressurized through the cold isostatic pressing technology; a formed ceramic green body is obtained; the formed ceramic green body is machined into a designed shape and then sintered, the composite ceramic with the aluminum oxide part as an aluminum oxide base material, the transition mixed powder as a transition layer and the yttrium oxide part as a coating is obtained, the transition layer can reduce a gap of a bonding interface of yttrium oxide and aluminum oxide, and the interface is seamlessly connected and is more compact; in addition, aluminum oxide particles and yttrium oxide powder particles in the transition layer are uniformly mixed and embedded with each other, so that the mechanical locking between materials is obviously improved, and the binding force is stronger; the problems that in the prior art, an yttrium oxide etching-resistant protective coating is poor in binding force and prone to peeling off are solved.

The invention relates to the technical field of hygienic products, in particular to a manufacturing method of a fine-denier rubber string waistline elastic body component and the waistline elastic body component. The manufacturing method of the fine-denier rubber string waistline elastic body component comprises the steps that 180-260 70-280 denier rubber strings are conveyed at the stretching ratio of 2.0-2.5, and when the rubber strings are conveyed to a laying procedure, the elastic strings are arranged at the stretching ratio of 2.0-2.5; the lower-layer non-woven fabric is laid with the stretching ratio of 2.5-3.0, then glue is sprayed to the rubber band, and the rubber band and the upper-layer non-woven fabric are compounded and bonded to obtain the waistline elastic body component. The invention aims to overcome the defect that the manufacturing cost is increased due to high defective product rate in the production process caused by high possibility of breakage of the thin rubber band in waistline layout in the prior art, and provides the manufacturing method of the fine denier rubber band waistline elastomer component and the waistline elastomer component, so that the occurrence of breakage of the thin rubber band in the production process can be reduced, and the manufacturing cost is reduced.

The invention discloses an automatic cow dung degradation device for cattle herd breeding, and relates to the technical field of degradation treatment.The automatic cow dung degradation device comprises a degradation treatment bin with the top open, a communicating cavity is formed in the lower end of the degradation treatment bin, a plurality of filtering holes are formed in the inner bottom wall of the degradation treatment bin, and the filtering holes communicate with the communicating cavity; the lifting mechanism is installed on the degradation treatment bin, an extrusion plate is connected to the lifting mechanism in a driving mode, the extrusion plate is driven by the lifting mechanism to penetrate into the degradation treatment bin, and at least one earthworm throwing mechanism is arranged on the extrusion plate. According to the device, the lifting mechanism drives the extrusion plate to move downwards, so that the extrusion plate extrudes a cow dung and soil mixture in the degradation treatment bin, and in the extrusion process, liquid dung can be quickly filtered out from the filter holes, so that the liquid dung content in the cow dung and soil mixture is reduced; the influence on the growth and reproduction of the earthworms in the mixture of the cow dung and the soil is small.

The invention discloses a dead fish salvage device for aquaculture, and belongs to the technical field of dead fish salvage, the dead fish salvage device comprises a screen assembly used for salvaging dead fishes, a traction mechanism used for driving the screen assembly to rotate and a conveying mechanism used for conveying the dead fishes, and the traction mechanism and the conveying mechanism float on the water surface through a suspension seat; universal wheels are arranged at the bottom end of the suspension base, and the conveying mechanism comprises a conveying cylinder fixedly connected to the top end of the suspension base and a conveying motor installed on the side wall of the conveying cylinder. By arranging the screen assembly and the traction assembly, when many dead fishes are accumulated at a lower air opening, the screen assembly can be pressed downwards, when the pressing force reaches a preset pressure value of a pressure sensor, the pressure sensor feeds back to the controller, the controller controls a double-shaft motor to work, a guide plate is pulled to rotate under the action of a traction rope, and the dead fishes are killed. And then the screen assembly is driven to be in an inclined state, the dead fish fishing function can be achieved, meanwhile, the dead fish slides into the conveying barrel, and the automatic dead fish fishing function is achieved.

The invention discloses a PET / MRI (positron emission tomography / magnetic resonance imaging) image data governance model training method and device and a data governance method. The PET / MRI image data governance model training method comprises the following steps: acquiring a tissue component label, a tissue component prediction result and a tissue component identification model through a medical image control system and an enhanced deep residual network model; obtaining a diagnostic book label, a diagnosis result and a diagnostic book identification model according to a preset language model and a preset questioning mode; performing cross task optimization on the tissue component identification model and the diagnostic book identification model according to the clearness of the MRI / PET image of the same body position of the same person in the sample medical image, the MRI / PET image of the same person in the preset time period, the text type digital medical record of the same person in the preset time period and the sample medical image; and associating the tissue component identification model with the diagnostic book identification model through a graph neural network model to obtain a data treatment model of the PET / MRI image. According to the invention, by means of the compensation function between the AI tool and the body, more modal evaluation results can be obtained, so that the human health can be evaluated more accurately.

The utility model relates to the technical field of walnut processing, and discloses a walnut ultrasonic shell breaking and kernel taking device which comprises a rack, and a walnut conveying mechanism, a walnut shell breaking mechanism and a material collecting mechanism which are arranged on the rack, the walnut conveying mechanism is used for driving the falling walnuts to move and conveying the walnuts to the walnut shell breaking mechanism; the walnut shell breaking mechanism drives walnuts to move and extrudes and breaks shells of the walnuts through ultrasonic high-frequency vibration; and the material collecting mechanism is used for screening and collecting the walnut kernels and the walnut shells after shell breaking. Through the walnut conveying mechanism, the walnut shell breaking mechanism and the material collecting mechanism, the process of walnut conveying, extrusion shell breaking and recovery is achieved, ultrasonic waves are applied to the field of walnut shell breaking, Yunnan walnuts are hard in shell and small in shell-kernel gap, the characteristics that high-frequency vibration under the mechanical effect of the ultrasonic waves is suitable for breaking of hard and brittle materials are utilized, walnut shell breaking is assisted, and the walnut shell breaking efficiency is improved. The shell breaking rate and the whole kernel rate are improved.

The invention discloses high-density ultra-thin electronic-grade glass fiber cloth, and relates to the technical field of glass fiber cloth preparation, the high-density ultra-thin electronic-grade glass fiber cloth is formed by weaving warp yarns and weft yarns with the monofilament diameter of 4.0 microns, the warp and weft density is 90-100 pieces / inch, an air jet loom is combined with an auxiliary air jet mechanism for plain weaving, and it is guaranteed that fibers are tightly arranged; the preparation method comprises the steps of low-speed warping, weaving, desizing, deep splitting, cleaning and surface treatment. During weaving, through low-tension control and low-pressure airflow assistance, the fabric structure is more compact and uniform; a three-step method is adopted to gradually eliminate most slurry, and the slurry is further removed through liquefaction desizing; splitting and cleaning adopt a water flow and air flow combined mode, so that fiber opening is ensured, and the slurry residue rate is reduced to the minimum; finally, the strength of the high-density ultrathin electronic-grade glass fiber cloth is improved through treatment of a silane coupling agent; and low-tension and extremely low-slurry-residue-rate weaving of the high-density ultrathin electronic-grade glass fiber cloth is realized.