121results about How to "Reduce the possibility" patented technology

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.

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.

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 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 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.

This invention relates to a group of genes associated with preterm birth, methods for predicting preterm birth in early pregnancy using these genes, and their related applications. Specifically, this invention obtains transcript start site features from at least one of the following genes from the pregnant woman's cfDNA sample: TEX2, WNK1, LINC00970, LOC124900437, IGFL4, LOC105376571, LOC105376577, SERPINB10, LOC642554, and SLC26A7. These transcript start site features are then input into a prediction model, and the output results are used to determine the risk of preterm birth. The prediction model obtained by this invention has higher accuracy than existing models, providing more accurate clinical intervention guidance and reducing medical costs.

This application discloses a slag sample receiving device. When manual transfer of slag sample to a receiving cup is required, the receiving cup is supported on a support platform of a support member. A funnel connected to the support member and used to receive the slag sample is provided. The smaller diameter end of the funnel is the small-diameter end, which faces the support platform. The receiving cup on the support platform can be moved to receive the slag sample flowing out from the small-diameter end. The funnel effectively collects the slag sample, reducing the possibility of spillage and the likelihood of burns to operators from spilled slag, thus improving safety. Furthermore, the slag sample receiving device is equipped with a temperature sensor connected to the support member, which also helps reduce the risk of burns to operators from the receiving cup, improving safety during manual slag sample transfer and, to a certain extent, solving the technical problem of difficulty in ensuring safety during manual slag sample transfer.

This utility model discloses a prefabricated, non-removable floor slab, comprising a floor slab body, several steel bars integrally cast and fixed on the right outer wall of the floor slab body, and a column cavity provided on the left outer wall of the floor slab body. The column cavity and steel bars are used to allow the end-to-end connection of two adjacent floor slab bodies. This utility model, through the interlocking structure of column cavities, steel bars, ribs, and C-shaped inward grooves, and the column cavities and integrally cast steel bars on the left and right outer walls of the floor slab body, allows the end-to-end connection of two adjacent floor slab bodies to form a large-span rigid support and connection within the adjacent floor slab bodies.

The utility model discloses an axial flow water turbine water guide mechanism which comprises an upper ring seat (1) and a lower ring seat (2), a plurality of guide vanes (3) are arranged between the upper ring seat (1) and the lower ring seat (2), rotating shafts (4) are arranged in the middles of the upper ends and the lower ends of the guide vanes (3), driving rings (5) are connected to the upper ring seat (1) in a rotating mode, servomotors (6) are connected to the driving rings (5), and the servomotors (6) are connected to the driving rings (5). The upper ends of the rotating shafts (4) are connected with the driving ring (5) through a first connecting rod (7) and a second connecting rod (8), and a linkage mechanism connected with the lower ends of all the rotating shafts (4) is arranged at the bottom of the lower ring seat (2); the linkage mechanism comprises a plurality of adapter plates (9), the adapter plates (9) are fixed to the lower ends of the rotating shafts (4) respectively, third connecting rods (10) are arranged between the adjacent adapter plates (9), and the third connecting rods (10) are hinged to the adapter plates (9). The utility model has the advantage of low maintenance frequency.

The present application relates to the technical field of microbiology and animal vaccine cross, and particularly relates to a gene deletion attenuated mutant of wild strain of Pseudomonas plecoglossicida, a construction method and application thereof, and provides the gene deletion attenuated mutant based on deletion of the coding genes of proteins participating in maintaining cell membrane lipid asymmetry of Pseudomonas plecoglossicida strain on the wild strain of Pseudomonas plecoglossicida mlaE , the coding gene of response regulator protein of envZ / ompR two-component system ompR , and the coding gene of DeoR family transcriptional regulator deoR The mutant strain has obvious low toxicity, can effectively protect the test fish from the invasion of Pseudomonas plecoglossicida causing the disease of Pseudomonas plecoglossicida visceral white spot disease, and researches show that the vaccine prepared based on the gene deletion attenuated mutant has significant immunization effect and excellent prevention and treatment effect on the disease of Pseudomonas plecoglossicida visceral white spot disease in aquaculture.

This utility model relates to the field of inclined shaft construction technology and discloses a work trolley for installing pressure steel pipes in inclined shafts. The work trolley includes a trolley body and an operating platform located in the pressure steel pipe. The trolley body consists of a traveling beam and an equipment platform. One end of the equipment platform is rotatably connected to the traveling beam via a hinge device, and the other end is movably connected via an adjustable support connection mechanism. An independent hydraulic pump station on the equipment platform forms a closed-loop drive system with the mechanism, which can continuously adjust the angle of the equipment platform to keep it horizontal in the lower bend section, straight pipe section and upper bend section of the inclined shaft. The operating platform is leveled synchronously with it. It can also adapt to the curvature of the bend section by adjusting the angle, eliminating the need to erect scaffolding and improving construction efficiency.

This invention relates to the field of network and information security technology, specifically to a method for adversarial prompt purification and semantic perturbation defense against embodied intelligence. It involves constructing a jailbreak token lexicon and an embodied intelligence synonym lexicon to define attack characteristics. Then, it receives user commands, purifies them by removing obvious malicious elements, and standardizes the commands. Furthermore, it applies semantic perturbation defense to the purified commands by replacing words with synonyms. This disrupts the adversarial token sequence while preserving the original semantic intent, thereby reducing the likelihood of jailbreak attacks. This invention proactively weakens the effectiveness of jailbreak attacks at the input source, transforming potentially malicious prompts into neutral ones to eliminate hidden or confusing commands while retaining the meaning of the dialogue. Unlike direct rejection, this invention cleans up commands before the embodied intelligence model uses them.

The utility model relates to the technical field of air conditioner air door shafts, in particular to an excavator air conditioner air door shaft which comprises a connecting shell, a closing assembly is arranged on the top of the connecting shell, the closing assembly comprises a fixing frame fixedly connected with the connecting shell, and the side wall of the fixing frame is rotationally connected with a rotating disc. A plurality of fixing columns are fixedly connected to the top of the fixing frame, baffles are rotationally connected to the side walls of the fixing columns correspondingly, connecting blocks are fixedly connected to the side walls of the baffles correspondingly, and a sealed space is formed after the upper shaft and the lower shaft are clamped through matched arrangement of the fixing frame, a rotating plate, a moving column, the connecting blocks and the baffles. In the working environment of the excavator, a large amount of dust, soil, sand and stone and other sundries often exist, the design can block the foreign matters outside the connecting shell and prevent the foreign matters from entering the shaft, the possibility that the foreign matters clamp the air door shaft is reduced, normal operation of the air door shaft is effectively guaranteed, and the reliability and stability of a ventilation system are improved.

This invention relates to the field of proton exchange membrane electrolyzers, and discloses a bipolar plate flow channel design for a proton exchange membrane electrolyzer based on honeycomb biomimetic principles. The design includes: an electrolyte inlet, a gas-liquid mixture outlet, a honeycomb biomimetic flow field region, an inlet distribution region, and an outlet collection region. The electrolyte inlet supplies deionized water into the flow channel; the gas-liquid mixture outlet discharges a mixture of electrolyte, hydrogen, and oxygen; the honeycomb biomimetic flow field region is composed of several periodically and closely arranged regular hexagonal flow channel units, covering the effective reaction area on the anode side of the bipolar plate; the electrolyte inlet and the gas-liquid mixture outlet are connected through a connecting channel within the honeycomb biomimetic flow field region. The flow channels of this invention exhibit a more uniform velocity field distribution and a more reasonable pressure field distribution, verifying that they maintain excellent and stable hydrodynamic performance under different operating conditions.

This invention relates to the field of energy storage devices and discloses a battery and electrical equipment, including a battery housing, a cell assembly, a heat exchanger connecting the cell assembly terminals, a temperature regulating plate, and an enclosure assembly. The cell assembly is housed within the battery housing. The temperature regulating plate is mounted on one side of the cell assembly terminals, and thermally conductive adhesive is disposed between the temperature regulating plate and the heat exchanger. A set of enclosure assemblies surrounds at least one row of heat exchangers and forms a potting cavity with the cell assembly. At least one temperature regulating plate passes through the potting cavity. The structural adhesive poured into the potting cavity covers the top of the temperature regulating plate. The battery and electrical equipment of this invention can effectively improve the flatness of the battery's top cooling structure and effectively prevent condensation from forming on the top of the battery, preventing risks such as short circuits and leakage, and improving battery safety.

Methods and kits for predicting infusion reaction risk and antibody-mediated loss of response during intravenous PEGylated uricase therapy in gout patients is provided. Routine SUA monitoring can be used to identify patients receiving PEGylated uricase who may no longer benefit from treatment and who are at greater risk for infusion reactions.

The invention discloses a method for preparing vanadium trioxide based on ammonium polyvanadate and vanadium trioxide, and the method comprises the following steps: S1, pre-calcining and decomposing: uniformly laying ammonium polyvanadate in a calcining kiln, and calcining in an oxidizing atmosphere or inert atmosphere at 400-650 DEG C to obtain powdery vanadium pentoxide; s2, reduction: collecting the powdery vanadium pentoxide, feeding the powdery vanadium pentoxide into a reduction kiln, carrying out a reduction reaction in a reducing atmosphere at 600-800 DEG C, and keeping a solid-gas reaction state all the time in the reduction process to obtain vanadium trioxide powder; and S3, post-treatment is conducted, specifically, the reduced vanadium trioxide powder is cooled and sieved, and then a final product is obtained. According to the method, APV is converted into powdery V2O5 by introducing a pre-calcination decomposition procedure, and the powdery V2O5 is quickly reduced into a low-valence vanadium oxide with a high melting point after entering a reduction kiln, so that the possibility of ring formation of the reduction kiln is eliminated from the source, and the reduction reaction efficiency and the product purity are synchronously improved.

The utility model relates to a knob assembly for cooking equipment. The utility model discloses a base (110) that drive shaft (71) passes through. The utility model has the knob main part (NB) that rotates with the above-mentioned drive shaft (71) as the center and moves linearly with the axial direction of the above-mentioned drive shaft (71). The knob main part (NB) has a locking button (140) with an operating part (143) exposed to the outside. At this time, the locking button (140) has a first position that is restricted from moving axially by the base (110) and a second position that can move axially. Therefore, the user can only press the locking button (140) first, then press the knob main part (NB) axially to make the cooking equipment work, so that the knob assembly can be prevented from being operated or malfunctioning by the locking button (140).