30results about How to "Reduce compression" patented technology

The invention relates to the field of data processing, in particular to a program management method and device, equipment and a medium, and the method comprises the steps: obtaining a program execution request of a target program; determining a target function corresponding to the program execution request according to the program execution request; determining a target function module compressed package corresponding to the target function from a plurality of function module compressed packages of the target program; wherein the function module compressed package corresponding to each function module of the target program is obtained by compression according to a compression ratio determined by the priority of the function module; and decompressing and loading the target function module compressed package so as to execute the target function. The functional modules are compressed and stored, and when the target function needs to be executed, only the compressed package of the target functional module is decompressed and loaded, so that the memory occupation is reduced, and the system performance is improved.

The invention discloses extrusion-head in-situ rapid high-crosslinking low-compression permanent deformation conductive silicone rubber and a preparation method thereof. The conductive silicone rubber is prepared from the following raw materials in parts by mass: 100 parts of high vinyl silicone rubber, 2-10 parts of high vinyl silicone oil, 10-30 parts of white carbon black, 150-250 parts of coupling agent modified conductive powder, 2-5 parts of a vulcanizing agent and 1-3 parts of an assistant vulcanizing agent. The plunger type extruder is adopted, the raw materials are extruded and then subjected to in-situ rapid vulcanization forming, the formed conductive silicone rubber is high in crosslinking density and low in compression set, the problem that rubber strips of special-shaped complex structures are prone to collapse and deformation is solved, and the extruded conductive rubber strips do not need to be fed into a vulcanization channel for secondary vulcanization. The conductive rubber strip prepared by the invention has excellent electrical property and electromagnetic shielding effectiveness, and is high in mechanical property, good in rebound resilience and good in processability.

A display device for a vehicle according to an embodiment of the present invention comprises: a base; a flexible display; the upper plate is connected to the upper part of the flexible display; the lower plate is connected to the lower part of the flexible display; the supporting rod is arranged on the front surface of the flexible display; a lifting drive source that lifts and lowers the upper plate; the linkage device is connected to the upper plate, the lower plate and the base; and a guide that guides the support bar.

The invention provides a tissue slice patch preparation method based on a tissue chip. The tissue slice patch preparation method comprises the following steps: mixing raw materials to prepare a receptor wax block, collecting a tissue core and transferring the tissue core to the receptor wax block to form a fused wax block, cooling the fused wax block, storing the fused wax block, and carrying out operations of pre-cooling correction, slice unfolding and slice baking. According to the tissue chip-based tissue slice patch preparation method, the tissue chip can be better protected, and the integrity of the tissue chip is ensured.

The utility model discloses a sealing rubber part which comprises a rubber main body, and the rubber main body is composed of an upper part and a lower part which are integrally formed up and down. The outer contour of the section of the lower portion of the rubber body is rectangular, and the lower portion is provided with a first cavity formed in the width direction of the rubber body. And the outer contour of the section of the upper part of the rubber main body is triangular. The lower portion of the sealing rubber part is used for being embedded in the installation groove, and the upper portion of the sealing rubber part is used for making contact with related components of the watertight door to form sealing. The rubber section is improved by adopting a specific shape design and a cavity design, and the compression force of the rubber is effectively reduced under the condition of ensuring good sealing, so that the sealing rubber part is well applied to related marine equipment.

The utility model discloses a photo frame convenient to change lenses, which comprises a clamping component arranged on a frame and used for clamping the lenses, the lenses are arranged on the frame, the clamping component comprises a mounting part and a clamping part, the mounting part and the clamping part are of an integrally formed structure and are connected onto the frame, and when the lenses are pushed into the frame, the clamping part is in rolling friction contact with the lenses, so that the lenses can be conveniently replaced. When the lenses are pulled out of the frame, the clamping parts are in static friction contact with the lenses, so that the pulling-out force is increased, and static friction is converted into rolling friction. According to the utility model, the special structure and the friction principle of the damping strips are utilized, so that different friction effects are generated when the lens is pushed in and pulled out. When the lenses are pushed in, resistance is reduced, and when the lenses are pulled out, friction force is increased, so that the lenses are fixed and prevented from falling off accidentally. Through the design, the use safety is improved, meanwhile, the resistance is reduced during pushing-in, and the mounting efficiency is improved. By adjusting the friction force, the lens is stably fixed and smoothly taken out, and better use experience is provided for a user.

The utility model provides a kind of splicing type double-wall corrugated pipe, including corrugated pipe structure, it includes corrugated pipe body, the corrugated pipe body is set to arc, the inside of the corrugated pipe body is provided with baffle, the quantity of the baffle is set to multiple, multiple the baffle equidistant distribution in the inside of corrugated pipe body, the outer wall of the baffle is provided with reinforcing rib.The utility model design is reasonable, by the arc of two double-wall corrugated pipes needed in advance to produce corrugated pipe structure, the corrugated pipe structure is connected with two double-wall corrugated, the corrugated pipe structure of arc shape set in advance can reduce the reset of corrugated pipe structure in installation process, to reduce radial shear force, torsional load and axial tensile and compression force, while the baffle and reinforcing rib set in the inside of corrugated pipe body can avoid liquid when flowing through arc-shaped corrugated pipe body, avoid liquid long time to flush the side of corrugated pipe body.

The invention relates to the technical field of PE pipes, in particular to a self-adaptive telescopic PE pipe which comprises a PE pipe body, the PE pipe body comprises a first pipe body, a second pipe body and a telescopic pipe, the telescopic pipe is arranged on the side wall of the right side of the first pipe body, the second pipe body is arranged on the right side of the first pipe body, and a telescopic groove is formed in the side wall of the left side of the second pipe body. The telescopic groove is communicated with the second pipe body, the telescopic pipe is matched with the telescopic groove, the telescopic pipe extends into the telescopic groove, a connecting pipe is arranged on the side wall of the right side of the telescopic pipe, the connecting pipe extends into the second pipe body and is matched with the inner wall of the second pipe body, and fixing grooves are formed in the side walls of the upper side and the lower side of the telescopic groove correspondingly; and fixing blocks are arranged at the positions, corresponding to the fixing grooves, of the side walls of the telescopic pipes, positioning devices are arranged in the fixing grooves, through the arrangement of the positioning devices, the positions of the fixing blocks can be conveniently positioned, and therefore self-adaptive adjustment of the overall length of the PE pipe body can be conveniently completed according to the actual use condition.

The application discloses a kind of sequencing FASTQ file quality score sequence's sparse processing method, comprising: S1, extracting quality score data stream from FASTQ file;S2, the quality score data stream to be processed is divided into multiple segments, each segment contains n characters;S3, set the sliding window size of similarity calculation to m characters, every m characters is divided into a segment, and similarity measurement between the segments is carried out;S4, set threshold e, when the average similarity result after similarity measurement is greater than or equal to e, two segments are replaced with each other, and the replaced quality score data stream is obtained.The application can reduce the complexity of quality score data stream by sparse preprocessing, thereby reducing the compression rate of FASTQ file.

This utility model provides a robot, comprising: a body movably disposed along a predetermined trajectory; a wiring conduit for threading wires, the conduit being disposed on and connected to the body so that the body can move the conduit; a support assembly disposed on the body, the conduit being connected to the support assembly to support the conduit; and a protective component, one end of which is connected to the support assembly and the other end to the conduit, at least a portion of which is retractable to allow the conduit to return to its initial position after the body moves with it. This application solves the problem of signal lines and pneumatic lines easily becoming entangled and interfering in existing robot end effectors.

The present invention belongs to the field of computer technology, and specifically relates to a log data compression and decompression method based on a masked autoencoder. The present invention includes: constructing an adjacency matrix, a node feature matrix, and a behavior weight matrix according to the subgraphs divided by the original origin graph; masking the node feature matrix, sending the adjacency matrix, the behavior weight matrix, and the masked node feature matrix to the encoder, and the encoder outputs a representation vector to obtain a reconstructed origin graph through a decoder; calculating the reconstruction error by comparing the reconstructed origin graph with the original origin graph, and iteratively updating the training parameters of the masked autoencoder model; compressing the log data using the encoder of the trained model, and decompressing it using the decoder of the trained model. The present invention can significantly reduce the bandwidth required for transmission by introducing a masked autoencoder model to compress the log data, while ensuring that the data can maintain a sufficient amount of information after compression and decompression for subsequent analysis and processing.

The present application belongs to the field of artificial intelligence technology, and specifically relates to an image encoding method, decoding method, device, readable medium and electronic device. The method includes obtaining an original image and performing block processing; calculating the gradient value of pixels in each block, and screening important area blocks according to the gradient value of the pixel; inputting the important area blocks and the position information of the important area blocks in the original image into a visual transformation model for encoding to generate a bit stream. In this way, the method selectively and controllably compresses different information areas of the compressed image, retains as much as possible and compresses as little as possible the key areas with dense information in the image; and compresses as much as possible the non-key areas with sparse information in the image, thereby improving the image compression efficiency and realizing flexible bit rate control under a unified scheme.

The utility model discloses a high-stability pilot valve, which relates to the technical field of pilot valves, and aims to solve the problems that the existing pilot valve is insufficient in structure compactness and working stability, and the overall practicability and functionality need to be improved, and adopts the technical scheme that the high-stability pilot valve comprises a pilot valve rear cover, a valve body is mounted on the outer surface of one side of the pilot valve rear cover, a valve element seat is mounted in the valve body, a through hole is formed in the middle axis position of the valve element seat, a first valve element ejector rod is slidably mounted in the through hole, a valve element is mounted at one end of the first valve element ejector rod, a first spring is arranged at one end of the first valve element ejector rod, and a second spring is arranged at the other end of the first valve element ejector rod. The end of the valve body is in threaded connection with an air inlet connector, one end of the valve element abuts against the end of an air inlet hole of the air inlet connector, and a pilot valve front cover is arranged on one side of the pilot valve rear cover. And the effects that fluid conveying control operation can be stably conducted, and practicability is high are achieved.

The utility model discloses a double-channel grading sealing gasket structure of a pipeline repairing device, which relates to the technical field of pipeline repairing devices and comprises an upper shell of the pipeline repairing device, a lower shell of the pipeline repairing device and two groups of sealing gaskets, and the two groups of sealing gaskets are respectively arranged on the inner walls of the upper shell and the lower shell; the sealing gasket comprises two gasket body straight edge sections, two outer arc edge sections and two inner arc edge sections, the two outer arc edge sections and the two inner arc edge sections are connected between the two gasket body straight edge sections, the two outer arc edge sections are arranged at the two ends of the two gasket body straight edge sections, and the two inner arc edge sections are arranged on the inner sides of the two outer arc edge sections and do not make contact with the outer arc edge sections. The inner ring radius of the inner arc edge section is larger than the inner ring radius of the outer arc edge section, when the pipe diameter of the pipeline has negative tolerance, sealing can be achieved through the outer arc edge section, when the pipe diameter of the pipeline is standard, the outer arc edge section is excessively compressed, the inner arc edge section is normally compressed, and the overall internal stress of the outer arc edge section and the inner arc edge section is improved. The sealing performance of the sealing gasket can be prevented from being sharply reduced, and the service life is prolonged.

A lotion pump includes a movable portion and a stationary portion. A shifting mechanism is formed on the movable portion and the stationary portion, which shifts the elastic restoring mechanism of the lotion pump between a standby state and a non-standby state as the movable portion rotates or moves up and down. The structure of the lotion pump can prevent the spring from yielding due to compressed for a long time, while can also realize a form of locking at lower position.

The application discloses a loess drilling core image-based lithology and sedimentary facies identification and layering method, and aims to solve the problems that loess drilling cores have broken cores, missing sections, insufficient recovery rates, and that core box segmented shooting and splicing result in difficulties in automatic alignment of core images and well depth, accurate positioning of layering boundaries, and continuous output of the layering boundaries. The application obtains a core image set and well depth metadata, performs image preprocessing and splicing according to the core box sequence, and establishes an image position coordinate sequence. Image coding network and metadata coding network are used to extract features and generate an alignment feature sequence through cross-modal fusion of cross-attention Transformer. A depth mapping function that satisfies a monotonic increasing constraint is solved under the constraints of a starting well depth, a terminal well depth, a coring recovery rate and a depth marker point, so as to realize the mapping of the image position to the real well depth. Then, the image features are aligned to the well depth sampling points, and a lithology and sedimentary facies probability sequence is output. Finally, the final layering boundary is determined under the constraints of a minimum layer thickness and adjacent layer section category transition, so as to realize the continuity constraint output of the layering result and improve the alignment accuracy and layering reliability.

The invention relates to a preparation method and application of a fiber section sample, and relates to the field of fiber detection. The preparation method comprises the following steps: gathering a plurality of fibers to be subjected to sample preparation, winding by preset mass to obtain skein, fixing one end of the skein, applying force to the other end of the skein to flatten the skein, smearing glue, flattening the area coated with the glue in the skein, and drying until the glue is cured to obtain the fiber section sample. The preparation method can be used for efficiently and directly preparing a fiber cross-sectional view for finer and higher-profile-degree fibers. The preparation method is easy to operate in the whole process, high in adaptability to fibers with different fineness degrees, high in adaptability to fibers with different profile degrees, good in adaptability to elastic fibers, high in repeatability and high in fiber section slice imaging rate. Compression on the profiled fibers can be reduced to the maximum extent, and the accuracy of profiled degree calculation is improved.

The present invention is applicable to the technical field of audio power amplifiers, and provides a class D audio power amplifier and a signal compression method. The class D audio power amplifier includes: a controllable limiter, a class D amplifier, a first filter, a second filter, and a logic control module. In the present application, when an abnormal signal appears in the filtered signal, the logic control module compresses the filtered signal to reduce the amplitude of the abnormal signal in the filtered signal, that is, the compression processing of the abnormal signal effectively reduces the compression and distortion phenomenon of the class D audio power amplifier when processing low-frequency signals, improves the sound quality performance of the audio amplifier, and the audio power amplifier device is smaller in size and lighter in weight, which is easy to carry and install. In addition, the circuit structure of the present application has high energy conversion efficiency, which can effectively reduce the energy consumption of the power amplifier device and reduce the waste of electric energy, while reducing heat generation, reducing heat dissipation requirements, and improving the stability and life of the equipment.

The invention provides a mounting assembly for a protective cover in an optical module, a mounting method of the mounting assembly and dispensing equipment. The mounting assembly for the protective cover in the optical module comprises a circuit board carrier and a mounting cover plate, the circuit board carrier is provided with at least two accommodating grooves; the mounting cover plate is connected with the circuit board carrier, the mounting cover plate is provided with a pressing plate and a main body, the main body is provided with at least two limiting cavities, and the limiting cavities and the containing grooves are arranged in a one-to-one correspondence mode; and the pressing plate is movably connected to the main body and is used for applying an acting force close to the circuit board to the protective cover. Therefore, the circuit board carrier is provided with a plurality of accommodating grooves, and the mounting cover plate is provided with a plurality of limiting cavities, so that a plurality of protective covers can be mounted at the same time, and the mounting efficiency of the protective covers is improved; meanwhile, by arranging the limiting cavity, the protective cover can be limited and positioned, and the probability of bumping the gold wire of the optical device is reduced; besides, acting force is applied to the protective cover through the pressing plate, so that the protective cover can be quickly pressed, the flatness of the protective cover is ensured, and the use performance of the optical module is further improved.

The present application belongs to the technical field of shaft seal, and particularly relates to a kind of shaft groove sealing ring compression rate calculation method.The shaft groove sealing ring compression rate calculation method of the present application obtains assembly eccentricity and machining eccentricity, calculates the depth parameter of the radial groove formed after assembly, adds the assembly eccentricity and the machining eccentricity to the depth parameter of the radial groove when calculating the sealing ring compression rate, obtains the actual depth of the radial groove, and calculates the sealing ring compression rate using the actual depth of the radial groove and the radial dimension of the sealing ring cross section.The method proposed by the present application can better reflect the limit condition of assembly, the calculated minimum compression rate is more accurate, can provide important reference for the design of sealing structure, and reduce the oil leakage rate.

This utility model discloses a high-pressure resistant safety small tank, including a tank body with a high-pressure resistant valve. The high-pressure resistant valve includes: a valve body with an air inlet channel communicating with the tank body, the air inlet channel being divided into an exhaust channel and a pressure relief channel; a valve stem with a threaded connection to the exhaust channel for opening and closing the channel; a pressure relief channel with a conical sealing port at one end and pressure relief holes with stepped diameters from the inside to the outside on its side wall; a piston valve head including a piston head that slides and seals with the pressure relief channel, a piston rod on the piston head, and a conical sealing head at the end of the piston head; and a pressure chamber with a pressure spring and a retaining head that abuts against the side wall of the pressure chamber to form a support and guide. The piston rod extends through the pressure relief channel into the pressure chamber and connects to the retaining head. The spring and the gas in the pressure chamber and the outer part of the pressure relief channel exert a rebound force on the retaining head, and the diameter of the pressure relief hole is adjusted from small to large when the piston head moves outward.

The utility model provides a valve structure which comprises a valve body and a valve element. The valve body is provided with a through hole, and the through hole is located in the periphery of the valve body and communicated with a valve cavity of the valve body. The valve element can be movably arranged in the valve cavity in the axial direction. The inner circumferential face of the valve cavity or the outer circumferential face of the valve element is provided with two first sealing grooves in the circumferential direction, the two first sealing grooves are formed in the axial direction in a spaced mode and located in one side, in the axial direction, of the through hole, sealing rings are contained in the two first sealing grooves, and the sealing rings are suitable for achieving sealing between the outer circumferential face of the valve element and the inner circumferential face of the valve cavity. The compression rates of the two sealing rings are different, and / or the filling rates of the two sealing rings in the corresponding first sealing grooves are different. By means of the structural design, the sealing rings contained in the two first sealing grooves are designed to be different in compression rate and / or filling rate, so that the influence of pressure difference generated by media on the deformation performance of the sealing rings can be reduced, and the friction force between the valve element and the valve body in the moving process of the valve element is reduced.

This utility model belongs to the field of cutting machine technology, specifically a hydraulic clamping device for a metal chip cutting machine, including a cutting table; a fixed plate is fixedly connected to the top of the cutting table; a hydraulic cylinder is fixedly connected to the top of the cutting table; a movable plate is fixedly connected to the end of the hydraulic cylinder; both the fixed plate and the movable plate are provided with fixing components; the movable plate is provided with stabilizing components; the side wall of the cutting table is provided with a cutting groove; the side wall of the cutting table is provided with a collecting component; a control panel is installed on the top of the cutting table; a protective component is provided on the top of the cutting table; a pad is installed on the top of the cutting table; and a support component is provided on the side wall of the cutting table. Through the above structure, with the fixed plate, hydraulic cylinder, movable plate, and control panel, the workpiece can be quickly clamped and released by the extension and contraction of the hydraulic cylinder, reducing the slow clamping and releasing process caused by using screw clamps.

The invention relates to the technical field of needle valves, and discloses a high-temperature and high-pressure double-sealing and double-adjusting needle valve which comprises a valve body and a valve rod assembly, a feeding channel, a discharging channel and a communicating cavity are formed in the valve body, the inner end of the feeding channel is divided into an upper channel and a lower channel, the upper channel is communicated to the bottom face of the communicating cavity located on the upper portion of the valve body, and the lower channel is communicated to the bottom face of the communicating cavity located on the lower portion of the valve body. The valve rod assembly comprises an inner valve rod, the inner valve rod is arranged in the valve body in a sliding mode in the axial direction of the inner valve rod, the inner end of the inner valve rod penetrates into the communicating cavity and abuts against the communicating position of the feeding channel and the communicating cavity, and a fixed sealing assembly is arranged between the valve rod assembly and the valve body. The fixed sealing assembly comprises packing rings and a packing gland, and the multiple packing rings are arranged in a stacked mode. The problem that an existing needle valve is prone to abrasion and leakage can be solved or at least relieved, and the sealing performance of the high-temperature and high-pressure double-sealing and double-adjusting needle valve is enhanced.

The present invention discloses a heat-conducting vibration-isolating interface material, comprising a plurality of arrays of heat-conducting strips, wherein the interior of the heat-conducting strips comprises an inner core, the exterior of the inner core is covered with a backing adhesive layer, the exterior of the backing adhesive layer is bonded with a heat transfer layer, the exterior of the heat transfer layer is covered with an insulating layer, and the outer side of the heat-conducting strips is provided with a heat-conducting gasket, and the area of ​​the heat-conducting gasket is larger than the surface area of ​​a single heat-conducting strip. The device has the requirements of high vibration isolation rate, high temperature resistance, low thermal resistance, and mass production.

The utility model relates to a top cover assembly, a battery and electric equipment, and relates to the technical field of batteries, the top cover assembly comprises a cover plate, a pole, a support ring and a sealing ring, the pole is assembled on the cover plate; the support ring is sleeved on the outer side of the pole; a reserved gap is formed between a part of the inner wall of the supporting ring and the outer wall of the pole; the supporting ring is sleeved with the sealing ring, and at least part of the inner wall of the sealing ring abuts against the outer wall of the supporting ring. According to the top cover assembly, the battery and the electric equipment provided by the embodiment of the invention, the problem that the sealing ring is easy to extrude and break the pole column can be improved.

The present invention provides a refined sampling investigation method based on green remediation and regeneration of contaminated soil, including: step 10, conducting on-site surveys to determine the boundaries of the contaminated site and the boundaries of the production area; step 20, building wells outside the boundaries of the contaminated site to detect and obtain groundwater flow field information; step 30, laying out test points, measuring the foundation bearing capacity within the preset depth of the test points; step 40, laying out sampling points, and obtaining the sampling parameters of each layer within the preset depth of the sampling points according to the foundation bearing capacity within the preset depth of the testing points; step 50, performing soil drilling sampling according to the sampling parameters of each layer within the preset depth of the sampling points; step 60, testing soil samples to obtain the spatial distribution of site pollution. The present invention provides a refined sampling investigation method based on green remediation and regeneration of contaminated soil, which can accurately investigate and obtain the spatial distribution of site pollution and provide a reliable basis for soil remediation and regeneration.

The application belongs to the technical field of integrated safety seat of automobile, and discloses a double-shoulder restraint automobile seat. The seat comprises a seat cushion, handrails arranged on both sides of the seat cushion, a bent main body arranged on the handrails, a tail of the bent main body connected with the handrails, an air bag arranged on the lower side of the bent main body, a cavity formed in the air bag, and a gas supply main body in communication with the cavity. When the cavity is inflated by the gas supply main body, the volume of the air bag is increased. The bent main body is provided with a structure capable of being bent but not easy to be stretched. The head of the bent main body penetrates the armpit of an occupant and is bent to the upper side of the shoulder of the occupant. An acceleration sensor is arranged in the automobile or the seat cushion. The acceleration sensor is electrically connected with the gas supply main body. When the backrest angle of the seat is increased or the acceleration is greater than the set value of the acceleration sensor, the gas supply main body is opened. The problem that the human trunk moves forward when braking, the spine is pressed or bent, and personal injury is caused is solved.

The invention relates to the technical field of oil field fracturing fluids, and discloses a polysaccharide thickening agent for fracturing and a preparation method thereof.Acrylamide, water, triazinyl modified alkenyl adamantane, modified guanidine gum, sodium sulfite and sodium persulfate are added into a stirrer to be stirred, and the polysaccharide thickening agent for fracturing is obtained. Chains in the triazinyl modified alkenyl adamantane can be subjected to cross-linking reaction, so that a three-dimensional network structure can be formed, and a thickening effect is realized; the viscosity-temperature characteristic of the thickening agent is improved by the ester group, so that the thickening agent can still keep relatively good stability under a high-temperature condition; the multi-chain structure of the guanidine gum fully extends to form a complex net structure, so that the viscosity of the thickening agent is increased; the amido group can enhance the rigidity of a polymer chain and improve the stability and temperature resistance of the polymer chain at high temperature, and the carboxyl group can interact with water molecules or other ions by forming hydrogen bonds or ionic bonds under the conditions of high temperature and high salinity, so that the stability of the thickening agent is enhanced.

An optimization method for end-side LLM under an end-cloud LLM hybrid service framework collects historical interaction data between users and cloud-side LLM through a terminal and builds an external database, evaluates the value of each element therein and generates an optimal database subset; when receiving user input, the terminal weights the generation result of the end-side LLM and the k-nearest neighbor search result in the optimal database subset to obtain the end-side reply result, thereby achieving reasoning enhancement. The present invention significantly improves the generation quality of end-side LLM by using historical interaction records between users and the cloud side to establish an external database, and compresses the database through offline and online subset selection algorithms, both of which have an approximation ratio guarantee close to (1-1 / e), and the perplexity (PPL) brought about is reduced more than other database compression algorithms.