176results about How to "Reduce the possibility" patented technology

The utility model relates to the technical field of traffic management, in particular to a bidirectional early warning device with an adjustable display surface for an intersection without traffic lights, which comprises a square upright post, a first early warning information display screen and a second early warning information display screen. The square stand column is used for being installed on the roadside of an intersection of a main road and a branch road. The first early warning information display screen is arranged on the first side face of the square stand column so that the display face of the first early warning information display screen can face the vehicle coming direction of the main road. The second early warning information display screen is hinged to the second side face, adjacent to the first side face, of the square stand column, the hinge axis of the second early warning information display screen extends in the vertical direction, and the second early warning information display screen can be opened inwards or outwards based on the second side face of the square stand column so that the second early warning information display screen can face the vehicle coming direction of the branch road. Even if the included angle deviation of the intersecting roads is large, the vehicle driving direction of the branch road can still be kept basically perpendicular to the second early warning information display screen, and the visual recognition effect of the warning information is greatly improved.

The invention discloses a safety management system for a water conservancy and hydropower construction enterprise, and relates to the technical field of water conservancy and hydropower construction management.When the system operates, position information and behavior data of workers are obtained in real time through a personnel behavior collection module, behavior specifications of the workers are quantified, and the safety of the workers is evaluated through a safety behavior scoring index S and a risk staying factor T; and a safety risk assessment coefficient R is further fitted, and when the safety risk assessment coefficient R exceeds a preset threshold value Rth, a safety early warning notification is triggered to inform related personnel of potential risks in time, so that the possibility of accidents is effectively reduced. And specific construction operation safety suggestions are provided, and workers are timely informed of execution, so that the workers can take proper safety measures according to real-time feedback, and the problems that the behaviors of the workers cannot be comprehensively monitored, timely early warning cannot be performed and effective intervention measures cannot be formulated in a traditional safety management mode are solved. And the management frequency of high-risk areas and the intervention frequency of high-risk workers are improved.

The utility model belongs to the technical field of hardware machining, and particularly relates to a machining device applied to hardware electroplating, which comprises an outer ring and an inner ring, the inner ring is positioned in the middle of the outer ring, symmetrically arranged connecting rods are fixedly connected between the inner ring and the outer ring, and a plurality of guide holes I penetrating through the outer ring are formed in the outer wall of the outer ring. The hardware machining device has the advantages that the outer ends of the sliding rods are used for hanging hardware, the hardware is immersed in electrolyte along with the machining device, after a plating layer is formed on the surface of the hardware, the device is lifted upwards, the check block and the pull block are pulled oppositely to be separated, at the moment, the pull rope drives the vertical rods to contract mutually, the sliding rods slide inwards, and the hardware falls into a metal net; and then the device is immersed in electrolyte to electroplate the hanging part of the hardware, so that the surface of the hardware is thoroughly electroplated, and meanwhile, the possibility that the hardware falls into an electrolytic tank is reduced.

The invention relates to a data encryption transmission method and device with an early warning mechanism, and aims to improve the security and reliability of data transmission. According to the method, a plurality of encryption schemes with unique names are preset and stored at the front end and the rear end of a data transmission system. The front end randomly selects a set of encryption scheme according to security requirements, encrypts request data, sends the encrypted data and a unique name corresponding to the encrypted data to the rear end, and records necessary transmission indexes at the same time. And after receiving the data, the rear end performs decryption and re-encryption processing by using the same encryption scheme, and then sends a result back to the front end. And after receiving the data, the front end decrypts the data and verifies whether the data meets a preset transmission index. And if exceptions are found, such as decryption failure or data delay, the front end records and feeds back the exceptions to the rear end and stops data processing. According to the method, through random selection of an encryption scheme and a bidirectional verification mechanism, the security monitoring and exception handling capabilities in a data transmission process are enhanced.

The invention relates to a finger-pressing type nucleic acid detection micro-fluidic chip, which comprises a bottom layer, a flow channel layer, a finger-pressing layer and a thin film layer, the flow channel layer comprises an LAMP reaction chamber, a CRISPR reaction chamber, a water storage chamber, a Tesla valve, a finger-pressing chamber and a test paper reaction chamber, the LAMP reaction chamber comprises a nucleic acid extraction-free reaction system based on LAMP, the CRISPR reaction chamber comprises a CRISPR-based cas12b reaction system, and the test paper reaction chamber comprises a Tesla valve, a finger-pressing chamber and a test paper reaction system. The water storage chamber is mainly used for diluting a mixed system, and the Tesla valve is used for preventing crosstalk of the two reaction systems; the finger pressing layer comprises an LAMP reaction chamber button and a CRISPR reaction chamber button, when the LAMP reaction chamber button is pressed, liquid in the LAMP reaction chamber is pumped into the CRISPR reaction chamber, when the two buttons are pressed at the same time, a reaction mixing system is pumped into the water storage chamber to be mixed, and then the reaction mixing system is further pumped into the test paper reaction chamber. The chip can be widely applied to the field of rapid diagnosis of nucleic acid molecules, the detection cost is reduced, manual operation is simplified, and the detection efficiency is improved.

The invention relates to the technical field of optical sensor calibration and deep learning, and discloses a medium and low orbit optical load thermal deformation sight line error correction method, which comprises the following steps: S1, constructing an in-orbit camera imaging model based on a fixed star, and obtaining a camera sight line vector according to the imaging model; s2, analyzing reasons of errors caused by sun illumination to camera sight vectors and constructing characteristic parameters; s3, constructing a camera thermal deformation error model, and calculating a thermal deformation error matrix RSTD under different characteristic parameters; s4, the BP neural network is improved, a Newton-Raphson optimizer is used for adjusting the network structure of the BP neural network, and a rime optimization algorithm is used for initializing network parameters of the BP neural network; and S5, taking the characteristic parameters and the thermal deformation error matrix RSTD as input data, training by using the improved BP neural network, and predicting a thermal deformation error. According to the invention, camera sight line offset errors can be reduced, and the problem of frequent on-orbit camera sight line correction is solved.

This application relates to the technical field of rock drill machining. A machining fixture for a rock drill cylinder includes a connecting plate, a lower abutment block, a connecting column, and an upper abutment block. One side of the connecting plate is connected to a drive source, and the lower abutment block is connected to the other side of the connecting plate. The lower abutment block abuts against one side of the product to be processed. One end of the connecting column is connected to the lower abutment block, and the upper abutment block is slidably connected to the connecting column. The sliding direction of the upper abutment block is parallel to the axial direction of the connecting column, and the upper abutment block abuts against the side of the product to be processed away from the lower abutment block. When the product to be processed is placed on the lower abutment block, the upper abutment block slides along the axis of the connecting column, approaches the lower abutment block, and abuts against the outer wall of the product to be processed, thus achieving a fixed connection between the product to be processed and the connecting plate. The connecting plate can be rotated by the drive source, thereby achieving the rotation of the product to be processed. This facilitates the clamping of the product to be processed, improves the applicability of the equipment, and increases production efficiency.

This utility model discloses a mechanical steering gear for preventing abnormal noise. This utility model relates to the field of automotive parts technology. The mechanical steering gear for preventing abnormal noise includes a housing mechanism. The main body of the housing mechanism is a box structure with a one-way opening at the top. A positioning rod is fixedly connected inside the housing mechanism. The positioning rod is arranged longitudinally. This utility model effectively prevents dust from entering the interior through multiple sealing protections of components such as the housing mechanism, cover mechanism, insert plate assembly, plunger, and its sealing ring. This reduces wear caused by dust friction between the rack assembly and gear assembly, thereby reducing the possibility of abnormal noise. The reasonable design of components such as the positioning rod, connecting plate, and positioning pin ensures stable power transmission from the input shaft to the output rod, making tire steering reliable. On the other hand, the good sealing structure reduces component wear and extends the service life of the steering gear.

The invention discloses a biological agent for preventing and treating panax notoginseng root rot, and relates to the technical field of biological prevention and treatment, the biological agent is composed of four layers of functional florae: an A layer of sentinel-decoding flora is used for identifying a pathogen quorum sensing signal and is used as an event trigger source, a B layer of metabolic countering flora is used for decoupling conversion of disease-promoting saponin and controllable release of a metabolic false substrate, and a C layer of functional florae is used for controlling root rot of panax notoginseng. The C-layer self-healing conductive biological membrane construction flora forms a biological membrane with conductivity and self-healing capability on the root surface, and the D-layer electrically-enabled flora constructs stable biological micro-current at the rhizosphere by using ferric oxide particles as external electron acceptors. The layer A triggers to cause controlled release of the layer B, a conversion product of the layer B provides a carbon source and a structural unit for the layer C, and a conductive network of the layer C and the layer D form an electronic path. The biological agent is used for early recognition and continuous inhibition of pathogens in panax notoginseng planting soil, can start defense response in the early stage of quorum sensing signal occurrence, and keeps action stability under complex environmental conditions.

The utility model discloses an anti-static and anti-fouling plastic packaging film which is wound on a wind-up roller and comprises a body, the body comprises a body upper layer, a tensile layer and a body lower layer, the body upper layer is adhered to the upper side of the tensile layer, the body lower layer is adhered to the lower side of the tensile layer, and the body upper layer is adhered to the lower side of the tensile layer. The tensile layer comprises two reinforcing ribs and an anti-cutting face, the anti-cutting face is arranged between the two reinforcing ribs, the probability that the body is punctured can be reduced through the anti-cutting face in the tensile layer, and the problem that one corner of a packaged object is exposed outside, so that the packaged object is collided and even soaked by rainwater, and the internal object is damaged is solved. By means of the structure, waste of the packaging film can be avoided, meanwhile, time wasted by re-wrapping can be avoided, meanwhile, the two reinforcing ribs can be used for reducing the possibility that when a small object is wrapped, the body is tightened forcibly so as to ensure that the body is fractured during tight wrapping, and meanwhile the reinforcing ribs can also be used for reducing the possibility that the body is transversely pulled to be broken.

This utility model provides a modular tooling fixture mechanism for machining triple eccentric butterfly valve bodies, belonging to the technical field of fixture mechanisms. This modular tooling fixture mechanism for machining triple eccentric butterfly valve bodies includes a floating clamping module and a quick-change flange positioning base plate. The floating clamping module is disposed above the quick-change flange positioning base plate and is used to float and clamp the triple eccentric butterfly valve body placed on the quick-change flange positioning base plate. The quick-change flange positioning base plate is used to position the triple eccentric butterfly valve body and realize overall transfer between multiple processes. The floating clamping module includes a main frame and a pneumatic auxiliary locking assembly. The main frame adopts a three-way eccentric adjustment mechanism, which has a built-in adjustable wedge block, and the adjustable wedge block is connected to a screw. This solves the problems of eccentric deformation, cumulative positioning errors in multiple processes, and poor tooling versatility in the machining of triple eccentric butterfly valve bodies, eliminates repeated clamping errors, and improves accuracy and efficiency.

This utility model discloses a ceramic capacitor green blank debonding machine, including a frame, a first material box, a second material box, a gripping component, a first debonding component, an adjusting component, and a second debonding component. The first and second material boxes are arranged opposite each other on both sides of the frame. The gripping component is installed on the frame to transport the ceramic capacitor green blank to the first debonding component, such that the first cut is parallel to a first direction. The first debonding component is installed on the frame and can transport the ceramic capacitor green blank along a second direction to the adjusting component, and bend the base film along the first cut. The adjusting component is installed on the frame to convey the ceramic capacitor green blank to the second debonding component, such that the second cut is parallel to the first direction. The second debonding component is installed on the frame and can bend the base film along the second cut. This utility model features a highly automated process, eliminates the need for manual debonding, and produces high-quality products.

This invention belongs to the field of daily chemical product testing and analysis technology. It discloses an intelligent screening method, device, equipment, and storage medium for sulfur / sulfonate surfactants. The method involves pretreatment of the sample and high-resolution mass spectrometry (UHPLC-MS / MS) scanning, converting the sample into an mzXML file. All secondary mass spectrometry peaks in the file are screened to identify target secondary mass spectrometry peaks containing characteristic ions. The mass and peak intensity of all corresponding precursor ions are extracted. If the mass difference between two precursor ions is within the range of sulfur isotope mass difference and the peak intensity ratio is within a specified range, the precursor ion with the lower mass is selected as the quasi-molecular ion. A predicted molecular formula is generated, and matching structural information is retrieved from a database. Simulated fragmentation is used to obtain a simulated secondary mass spectrum, which is compared with the actual secondary mass spectrum to determine the predicted structure and identify sulfur / sulfonate surfactants. This intelligent processing of high-resolution mass spectrometry data improves data processing efficiency, sensitivity, and accuracy.

Related is an anti-CLDN 18.2 antibody-drug conjugate, preparation method and use thereof. The antibody-drug conjugate and the composition thereof is capable of effectively binding CLDN 18.2 and inhibiting the growth of Claudin 18.2 positive tumors. Further related is a pharmaceutical composition comprising the antibody-drug conjugate or the composition, and use of the pharmaceutical composition in the preparation of a medicament for preventing and / or treating tumors.

The utility model relates to aluminum plate punching and chamfering equipment, which relates to the technical field of aluminum plate processing, and comprises a machine body, a top module and a bottom module, the machine body is provided with a driving frame, the top module is arranged on the driving frame in a sliding manner, the driving frame is used for driving the top module to lift and press, and the bottom module is arranged on the driving frame. The bottom module is arranged on the machine body and located below the top module, and the top module and the bottom module are each provided with a plurality of chamfering blocks. The punching device has the effect of improving the convenience of punching treatment.

This invention provides a method for generating blinded parameters in acupuncture clinical trials, relating to the field of medical device-aided design technology. The method obtains the length of a standard-length needle, the preset subcutaneous insertion depth of the real needle, the non-contact gap of the control component needle tip, the limiting platform parameters, and the needle insertion tube parameters. It determines the exposed height of the needle handle after the intervention component is in place, and, constrained by the control component needle tip being suspended and the needle handle exposed height being consistent, generates the length of a customized shortened needle, solid blocking structure parameters, and penetration channel parameters, forming a parameter set for the blinded control device. This method can reduce appearance differences in the needle retention state and decrease the possibility of the control component needle tip contacting the skin and causing pressure stimulation.

The invention discloses a network flow generating and repairing method based on protocol constraint. The method comprises the following steps: analyzing an original traffic capture file, extracting basic features through stream-level recombination and session segmentation, and mapping a continuous time sequence and a discrete protocol field to a uniform feature space; and on the basis, constructing a diffusion type network flow generation model to capture a statistical attribute and time sequence dependency relationship of the network flow. In the generating or repairing process, a protocol state machine is constructed, protocol constraint is introduced in the reverse denoising stage, the sampling process is constrained through a legality guiding mechanism, and protocol logic violation in the generating process is avoided. And finally, through feature inverse mapping and virtual protocol stack state maintenance, reconstructing to obtain network flow data which meets a communication protocol specification and can be correctly analyzed by a real protocol stack. According to the method, the generation and repair of the network traffic can be realized under a unified framework, and the correctness of a result in protocol semantics is ensured.

This utility model relates to the field of copper smelting technology, specifically to a copper smelting flue gas acid production device, including a sulfidation reaction tank, a sulfidation thickener, several filter presses, and an emergency tank. The bottom inlet of the sulfidation thickener is connected to a feed pipe, and a control pump is fixedly installed at the other end of the feed pipe. The output end of the control pump is connected to the input ends of several filter presses via a diverter pipe. Air blowing pipes are installed at the top output ends of several filter presses, and return liquid pipes are installed at their bottom output ends. A control valve is installed at the path between the return liquid pipe and the air blowing pipe. This utility model, through the setting of the emergency tank, temporarily stores the solid-liquid mixture remaining after a filter press failure. This not only facilitates the handling of gas and liquid generated during the air blowing process but also effectively prevents the accumulation of solid-liquid mixture after a filter press failure, reducing the possibility of accidents and improving the reliability and safety of the entire filter press system.

This invention discloses a method and system for virtual trial assembly of steel structures based on a BIM platform. The invention relates to the field of virtual testing of steel building materials and includes the following steps: analyzing carbon footprint data from multiple historical assembly processes, selecting the assembly sequence with the smallest carbon footprint as the target sequence, clustering components based on their inter-component influences to form a set of sub-components, constructing an assembly association vector graph, assigning risk values ​​to components based on the importance of their function types, analyzing deviation sensitivity coefficients, performing virtual trial assembly through a BIM model, monitoring assembly errors, and identifying influencing components. An error prediction model is constructed to output the assembly errors affecting components and determine risk coefficients. The positions of the erroneous components are adjusted according to the risk coefficients until the assembly conditions are met, completing the virtual trial assembly. This method improves assembly efficiency and accuracy, and reduces the impact of assembly errors on structural safety.

An electrically-heated aerosol producing apparatus (10), comprising a power supply component (12) and an atomizer (11). An air inlet channel (101) is provided at one end of the atomizer (11) connected to the power supply component (12) and in proximity to the power supply component (12). The atomizer (11) comprises an upper cover (100) and an accommodating element (200). The upper cover (100) is capable of accommodating the accommodating element (200). An accommodating cavity (223) used for accommodating an aerosol generating substrate (20) is provided within the accommodating element (200). The air inlet channel (101) runs through the upper cover (100) and the accommodating element (200) and is used for supplying a gas from the external environment to the aerosol generating substrate (20) in the accommodating cavity (223).

The utility model discloses a material return mechanism for environmental protection equipment, which comprises a hopper, the inside of the hopper is rotatably connected with a stirring frame, the outer side of the hopper is provided with a discharge port, the outer side of the discharge port is hinged with a protective plate, and the protective plate is fixed with the discharge port through a clamping lock. According to the device, wet garbage subjected to primary treatment and additives are transferred to the material port through the feeding port, an external driving component is in linkage with the stirring frame to rotate, so that normal operation of the material returning mechanism is guaranteed, after the sealing door is closed, fixing of the sealing door and the discharging port is achieved through a clamping lock, then the protection plate is turned over to be in lap joint with the outer surface wall of the sealing door, and the sealing door and the discharging port are closed. And the fastening rod penetrates through the lapping piece and is screwed with the protection plate, so that the protection plate is fixed, the protection plate is erected on the outer side of the clamping lock at the moment, protection of the connecting position of the sealing door and the discharging opening is achieved, and therefore the using stability of the whole material returning mechanism for the environment-friendly equipment is guaranteed.

The present invention discloses an electrocardiogram reading system in which a deep learning-based model and a rule-based model are integrated, the electrocardiogram reading system including: an electrocardiogram measurement unit (110) configured to generate electrocardiogram data by measuring 1- or more-lead electrocardiograms; a deep learning-based prediction unit (120) configured to generate disease prediction information by diagnosing and predicting disease from the electrocardiogram data through a deep learning algorithm; a rule-based inference unit (130) configured to generate disease inference information by inferring disease from the electrocardiogram data input from the electrocardiogram measurement unit (110) through a rule-based algorithm; and an integrated reading unit (140) configured to generate reading information by performing disease reading through the integrated analysis of the disease prediction information and the disease inference information and provide diagnostic information descriptive of the reason and basis for the diagnosis of the disease.

The application relates to a broken bridge heat insulation aluminum alloy window and relates to the technical field of doors and windows. The window comprises a window frame and a window sash located at the middle part of the window frame, the window sash is hinged to the window frame, the lower side of the window frame is provided with a window rail, the lower side of the window rail is provided with a safety assembly and a moving assembly, the safety assembly comprises a protection box and an escape soft ladder located in the protection box, the outer upper surface of the window rail is hinged with a movable rod, the end of the escape soft ladder is fixedly connected with the side surface of the movable rod, the side edges of the window rail are provided with a first connecting rod and a second connecting rod, the moving assembly comprises a moving rod and a rotating rod, one end of the moving rod is fixedly connected with the protection box, the other end of the moving rod is hinged with the rotating rod, and the side surface of the window rail is provided with a clamping groove for placing the rotating rod. The aluminum alloy window can be used for escaping through the window when a fire occurs.

The utility model discloses a gasket stamping die which comprises an upper die base, a lower die base and a feeding mechanism, the upper die base is connected with a power mechanism, and the feeding mechanism is connected with a material belt. The upper die base is sequentially provided with a punching punch used for punching a center hole, a semi-shearing punch used for shearing the shape of a gasket and a blanking punch used for enabling the gasket to be separated from a material belt. The lower die base is provided with a punching female die, a semi-shearing female die and a blanking female die which are matched with the punching punch, the semi-shearing punch and the blanking punch respectively. A cylindrical inner stripping block is arranged in the center of the semi-shearing female die, and the bottom of the inner stripping block is connected with a nitrogen spring through an ejector rod. According to the scheme, the flatness of the gasket is guaranteed through cooperation of the half-shear punch and the half-shear female die and the supporting and extruding effect of the nitrogen spring on the gasket.

The present application discloses a cushioning structure which is disposed to a child safety seat that includes a first component (121, 111) and a second component (123, 112, 116) sliding relative to each other. The cushioning structure includes a resilient first cushioning member (21, 6, 7, 8, 9) positioned at the first component (121, 111), and when the second component (123, 112, 116) slides relative thereto, the first cushioning member (21, 6, 7, 8, 9) provides a cushion for the second component (123, 112, 116). The cushioning structure can be disposed in an ISOFIX (12) or a supporting leg (11) of the child safety seat. During a crash accident, the first component (121, 111) and the second component (123, 112, 116) are biased to slide relative to each other, and the first cushioning member (21, 6, 7, 8, 9) can cushion the sliding to prevent a large instant acceleration from arising, which reduces harm to the child. The present application further discloses a child safety seat with the cushioning structure.

The utility model relates to the technical field of beer filling equipment, and discloses beer filling equipment capable of reducing foam generation, which comprises a driving motor, the rear end of the driving motor is fixedly connected with a supporting bottom plate, the inner belt of the supporting bottom plate is connected with a product conveying belt, and the bottom end of the supporting bottom plate is fixedly connected with a supporting frame. A product partition plate is welded to the top end of the supporting bottom plate. The fixing clamping ring and the connecting clamping ring which are arranged at the bottom end of the storage tank are matched with the liquid outlet so that liquid can be filled into products, the connecting clamping ring and the liquid outlet slow down the filling speed, the chance that the liquid makes contact with air can be reduced, and therefore the possibility of bubbling is reduced; by arranging the liquid outlet and the connecting clamping ring, convenient and fast mounting and dismounting are conducted from the interior of the fixing clamping ring, an overlong or overthin pipeline is avoided, and generation and retention of bubbles are reduced.

The application provides a kind of based on knowledge graph's after-sales work order intelligent distribution and processing system, it is related to work order distribution technical field, the system includes double graph construction, work order fact positioning, cognitive conflict identification, cognitive verification path generation, processing strategy generation, work order distribution and graph update module;According to historical after-sales work order, construct fault fact graph and maintenance cognitive graph, establish the mapping relationship of fault fact node and maintenance cognitive node;According to the work order to be processed, locate target fault fact node, identify the conflict of fault cause, processing measure or processing result between associated maintenance cognitive node, generate cognitive conflict event and verification path;Execute verification to determine target maintenance cognitive node, generate work order processing strategy including maintenance mode, flow mode and processing priority, determine processing personnel, processing node and flow path, and update graph according to actual processing process and result;The application can improve the accuracy and efficiency of work order distribution and processing.

Embodiments of the present application provide a battery cell, a battery, and a power consuming device, which belong to the technical field of battery manufacturing. The battery cell comprises an end cap and a welding portion. The end cap is provided with a recess recessed relative to a first face facing away from the inside of the battery cell, and an arc striking portion is arranged between the recess and the first face. The arc striking portion is a slope and has a first end and a second end opposite to each other, the thinner first end is connected to the recess, the thicker second end is connected to the first face. The welding portion is configured to connect the end cap to a tab of the battery cell, a central portion of the welding portion is located in the recess, and an end portion of the welding portion is located on the arc striking portion or the first face.