128results about How to "Improve accessibility" patented technology

The invention discloses an emergency communication system and method, and belongs to the field of emergency communication. The emergency communication method comprises the following steps of: acquiring a link performance parameter of a satellite communication link associated with an adjacent station node; based on the state information and the satellite communication link state of the local station node, executing at least one of the following scheduling operations on the service data: determining a first transmission performance index for transmitting data through the satellite communication link of the local station node, determining a first transmission performance index of a composite path from a wireless ad hoc network to the adjacent station node based on the state information, determining a second transmission performance index of a composite path from the wireless ad hoc network to the adjacent station node and transmitting data through a satellite communication link of the adjacent station node based on the state information, and selecting a forwarding path according to a comparison result of the first transmission performance index and the second transmission performance index; or, when the flow of the data to be transmitted meets the preset bandwidth aggregation condition, dividing the data to be transmitted into the first data part and the second data part.

The invention discloses a method for dynamically constructing a UDF based on a large model. The method comprises the following steps: S1, constructing a multi-dimensional requirement cue word of a user-defined function according to characteristics and use requirements of a target platform; s2, the multi-dimensional requirement cue words are input into a pre-trained large language model for code generation, the large language model is subjected to multi-round iteration based on the multi-dimensional requirement cue words, and an optimal code sequence for achieving the user-defined function is output; s3, code style standardization is carried out on the optimal code sequence, and a compiler or an interpreter and a static analysis tool are respectively called to carry out grammar check and static analysis on the optimal code sequence, and constructing an optimization cue word according to an error log output by the compiler or the interpreter and a static analysis result output by the static analysis tool, and inputting the optimization cue word into the large language model to carry out iterative optimization on the optimal code sequence.

The invention provides an electrical stimulation and lower limb exoskeleton device fusion control method and system, and the method comprises the steps: driving an exoskeleton to move through bottom admittance control based on the actual human-computer interaction torque and expected torque of a knee joint and reference trajectory data of the knee joint in a gait cycle, and triggering ankle joint electrical stimulation through a fixed stimulation parameter group; after the gait cycle is finished, torque errors are calculated, and periodic iteration updating is conducted on the knee joint reference trajectory data through an iterative learning control algorithm till convergence is conducted to obtain target knee joint reference trajectory data; and then determining a target moment of a gait phase based on the target knee joint reference trajectory data, and obtaining a corresponding target stimulation parameter group from the set stimulation parameter time mapping library to replace the fixed stimulation parameter group for subsequent stimulation. According to the method, through single-cycle and cross-cycle trajectory iteration, the adaptation defect of a traditional fixed trajectory is avoided, the stimulation parameters are synchronously optimized, and the dorsiflexion assisting effect is indirectly improved.

The invention belongs to the technical field of path planning and robot motion planning, and particularly relates to a multi-strategy fusion improved RRT * sampling planning method and device and a storage medium, and the method comprises the steps: constructing a dual-search tree through a starting point and a target point in a three-dimensional working space, and selecting a to-be-expanded search tree through a random mode; halton-Bridge mixed sampling is adopted to generate sampling points, so that the global coverage uniformity is improved, and the narrow channel sampling capability is enhanced; calculating the dynamic step length of the exponential decay based on the local obstacle proportion; adopting a hierarchical guidance expansion strategy, preferentially expanding towards a target, introducing an improved artificial potential field to guide expansion when the expansion fails, and taking the bottom with random expansion; performing RRT * neighborhood father node reselection and reconnection optimization on the new node; greedy pruning, self-adaptive interpolation and cubic B-spline smoothing are carried out on a path after the double trees are connected, and an executable smoothing track is output; according to the scheme, planning efficiency, success rate and path quality are improved.

The invention discloses a feature analysis and prediction method for drawing a depression patient based on a convolutional neural network, and belongs to the field of artificial intelligence and mental health. The method comprises the following steps: acquiring drawing image data of a depression patient and a healthy control group, and constructing a standardized data set; preprocessing such as denoising, size normalization and edge enhancement is carried out on the image; constructing a convolutional neural network model comprising four convolutional layers, two pooling layers and a feature fusion layer, and automatically extracting key features such as line definition, spatial layout and detail richness by adopting a variable receptive field mechanism and an attention module; correlation analysis is carried out in combination with scores of a clinical evaluation scale, and the model is optimized through transfer learning and a focus loss function; and generating a risk assessment report. According to the method, objectivity and accuracy of depression screening are remarkably improved, subjective evaluation deviation is reduced, visual decision support is provided for clinicians, and early recognition and intervention of depression are achieved.

The application belongs to the technical field of polymer material recycling, and particularly relates to a high-efficiency enzymatic hydrolysis process of polycaprolactam. The high-efficiency enzymatic hydrolysis process of polycaprolactam provided by the application comprises the steps of acid pretreatment, enzymatic catalytic depolymerization and product post-treatment. The process combines sulfuric acid and a multi-enzyme system to treat PA6 with high substrate concentration. The physical form and chemical accessibility of PA6 are significantly changed through sulfuric acid pretreatment, which creates conditions for subsequent enzymatic hydrolysis reaction, and realizes efficient, deep and green degradation of PA6.

The invention belongs to the technical field of artificial intelligence and medical rehabilitation, particularly relates to an intelligent training optimization system for orthopedic rehabilitation, and aims to solve the problems of insufficient individuation, feedback lag, subjective evaluation and the like in traditional rehabilitation training. The system collects motion and physiological data through a wearable sensing unit, and generates and adjusts a training scheme in combination with a self-adaptive optimization algorithm driven by cloud individualized modeling, dynamic risk assessment and reinforcement learning; real-time motion correction is achieved through multi-modal feedback, doctor-patient cooperation and group intelligent analysis are supported through a clinical management platform, and rehabilitation safety, effectiveness and accessibility are improved.

The utility model discloses a bathroom toiletry storage cabinet, relates to the technical field of bathroom supplies, and specifically comprises a bottom plate, the lower surface of one side of the bottom plate is symmetrically and fixedly provided with limiting plates, the outer walls of the two limiting plates are fixedly connected with a connecting sleeve, the connecting sleeve is internally provided with a sliding groove, and the sliding groove is fixedly connected with the limiting plates. Mounting plates are symmetrically and fixedly mounted on the inner wall of the connecting sleeve, clamping grooves are symmetrically formed in the outer surfaces of the two mounting plates, sliding plates are symmetrically and slidably mounted in the connecting sleeve, and mounting grooves are symmetrically formed in the outer surfaces of the multiple sliding plates. The extension plate is arranged on the lower surface of the bottom plate and used for supporting and positioning the suction cup, the suction cup is attached to the wall of a toilet, stable supporting of the device is achieved, the cabinet body is used for storing toilet articles, and the practical degree of the device can be effectively improved through mutual cooperation with the hanging mechanism; and the toilet articles made of various materials and in various shapes can be conveniently stored and fixed.

The invention discloses a software test report generation method and device, a storage medium and computer equipment, and the method comprises the steps: responding to a test report generation instruction of target software for a target scene, and obtaining test index data of different data sources through a unified multi-data source adaptation layer interface, the different data sources comprise a Prometheus time sequence data source, a Grafana visual data source and a YAML test case data source; obtaining a test report generation template corresponding to the target scene, and determining an index association rule and a rendering type in the test report generation template; performing association analysis on the test index data of the different data sources on the basis of an index association rule, determining test conclusion data of the target software on the basis of an association analysis result, and rendering the test index data in the Grafana visual data source on the basis of a rendering type to obtain a rendered picture; and embedding the test index data, the test conclusion data and the rendering picture into a test report generation template to obtain a test report corresponding to the target software.

The application belongs to the technical field of biological medicine, and discloses an in-situ vaccine type mRNA-tLNP preparation for solid tumor treatment and preparation and application thereof. The preparation is designed by double targets, so that CAR-T kills more tumor cells to overcome tumor heterogeneity, changes the tumor immune microenvironment through autocrine fusion proteins (anti-PD-1 scFv and TGFbetaRII, IL-15 and Flt3L, CD40L), promotes T cell proliferation, and recruits and activates dendritic cells, cross-presents new antigens in the tumor local part, and produces in-situ vaccination effects; circular RNA encoding the above proteins is prepared, and the circular RNA is wrapped by lipid nanoparticles modified by CD3 antibodies, so as to be directly delivered to the body, and a significant solid tumor treatment effect is produced.

This application discloses a method and system for uploading monitoring data for internet hospitals. The method includes: a data management center monitoring the data to be monitored generated on the internet hospital platform, obtaining the index value of the data to be monitored, and sending the index value to a front-end application terminal; the front-end application terminal obtaining the corresponding data to be monitored based on the index value, adding the data to a message queue, and transmitting the data to be monitored to the monitoring platform based on the message queue. This application uses the data management center to send the index value of the data to be monitored to the front-end application terminal, allowing the front-end application terminal to directly obtain the data to be monitored, avoiding the backlog of data requests between the gateway and the front-end application terminal, ensuring the timeliness and completeness of the data acquisition, and improving the accessibility of the data to be monitored. Simultaneously, the front-end application terminal sends the data to be monitored to the monitoring platform via a message queue, improving the concurrency of the data to be monitored.

This application relates to the fields of biomedicine and medical devices, disclosing a dextran-coated manganese-doped molybdenum sulfide nanoflower / cGAMP nanocomposite, its preparation method, and its applications. The nanocomposite has a core-shell structure, comprising: a Mn-MoS2 nanoflower core; a cGAMP loading layer loaded on the surface of the Mn-MoS2 nanoflower core; and a dextran coating coated on the surface of the cGAMP loading layer. This application uses Mn–MoS2 nanoflowers with piezoelectric / acoustic response characteristics as the core, and under external ultrasonic stimulation, generates piezoelectric polarization and charge separation, inducing or amplifying local ROS generation. The EPS matrix of biofilms and bacterial membranes / walls are highly sensitive to oxidative stress; ROS can oxidatively cleave or structurally damage polysaccharide chains, proteins, and lipids.

The application belongs to the technical field of property management, and particularly relates to a gate access identification device for property management, which comprises a fixed frame, an adjusting assembly is arranged on the fixed frame through two connecting holes formed in the rear end of the fixed frame, and the left and right sides of the adjusting assembly are respectively connected with two limiting rods through sliding connections. The gate access body can be quickly disassembled and assembled through the cooperation of the electric push rod main body, the connecting plate, the hinged plate, the hinged shaft, the sliding plate and the T-shaped fixed rod, so that the device does not need screwdrivers, wrenches or any other auxiliary tools for installing or disassembling the gate access body. For property or maintenance personnel, this greatly shortens the downtime when repairing or replacing equipment.

This utility model relates to the field of workpiece processing technology, and discloses a positioning component and a turning device. The positioning component includes a base plate assembly. At least one workpiece groove is formed on the first side plate of the base plate assembly. The workpiece groove is used for embedding and fixing the first end of the workpiece while exposing the second end for processing. An air supply connector is formed on the base plate assembly, and an air outlet is provided in the workpiece groove. The air supply connector and the air outlet are connected by an air duct. This design combines versatility and safety, achieving reliable workpiece fixation while simplifying the structure, avoiding stress damage during the turning process, and adapting to the load-bearing and turning requirements of workpieces of different shapes. It solves the technical problem that existing fixtures have limited applicability and are prone to workpiece damage during movement.

The utility model discloses a lifting Musu cake crust forming device, and relates to the technical field of lifting Musu cake crust, the lifting Musu cake crust forming device comprises a forming device body, the forming device body comprises a base, supporting vertical rods are fixedly installed on the two sides of the top of the base, pressing plates are slidably connected to the outer surfaces of the supporting vertical rods in a sleeved mode, and the pressing plates are arranged on the top of the base. And a lifting ring is fixedly installed in the middle of the top of the pressing plate, and the portions, located on the outer surfaces of the supporting vertical rods, of the two sides of the bottom end of the pressing plate are movably sleeved with elastic wires. When the cutting barrel moves downwards, the pushing disc senses pushing force to enable the extrusion spring to contract, the piston rod moves in the sleeve, the pushing disc slides on the inner wall of the cutting barrel along with upward movement, when the cutting barrel moves upwards, the pushing disc loses the pushing force, and then the pushing disc rebounds and moves downwards under the elastic reverse pushing force of the extrusion spring, so that the cutting barrel is cut. And the cut cake crust can be pushed outwards conveniently, the cake crust is prevented from being attached to the interior of the cutting barrel, and then the effect of taking the cake crust conveniently is improved.

The application discloses a method for super-hydrophilic modification of polyamide fiber based on DES combined with multiple enzymes, and belongs to the technical field of functionalized textiles.The method for super-hydrophilic modification specifically comprises the following steps: immersing the polyamide fabric after refining treatment into DES for pretreatment, taking out and drying; then immersing into a protease modification solution for reaction; after the reaction is completed, washing, drying and balancing; then immersing into a mixed solution formed by laccase, TEMPO, trehalose and a buffer solution for reaction; after the reaction is completed, washing, drying, balancing and hydrophilic modification of the polyamide fabric are obtained; the super-hydrophilic modified polyamide fabric can reach a surface static contact angle of 9 degrees within 60 seconds, and the contact angle is reduced by 90.2 percent; the method has low energy consumption, is safe and environmentally friendly, and has good durability of hydrophilic modification.

The present invention relates to a refrigerator and a door assembly. The refrigerator includes a cabinet including an outer case forming an outer side surface of the cabinet and an inner case provided inside the outer case and internally forming a storage space; a machine chamber frame provided at a lower portion of the cabinet and internally having a machine chamber; a door assembly rotatably coupled to the cabinet and selectively shielding the storage space; a cover plate provided between the inner case and the machine chamber frame to cover the machine chamber and having a provided space recessed toward a direction of the storage space; an operation module provided at an upper portion of the door assembly and including an input device receiving an input of a signal for operating the door assembly; and a door opening device provided in the provided space, at least a portion of the door opening device being protruded toward a rear surface direction of the door assembly according to the input signal and pushing the door assembly toward a direction away from the cabinet.

The utility model discloses a handheld large diameter cylinder section roundness detection tool, and the tool comprises a main part, the axial width of the main part is less than the maximum width value of handheld article when detecting, a first detection surface is arranged on one side wall surface of the main part, the first detection surface is a circular arc surface, and the diameter of the arc surface is equal to the standard cylinder section inner diameter, a second detection surface is arranged on the other side wall surface of the main part, the second detection surface is a circular arc surface, and the diameter of the arc surface is equal to the standard cylinder section outer diameter. The detection tool is designed with the inner and outer arc curves of the detection tool in the reverse direction of the inner and outer wall diameters of the cylinder section, the fitting degrees of the two are used to judge the curvature precision of the cylinder section, the operation handheld hole is designed by combining with the human engineering operation science, and the tool is convenient to carry and operate, the tool is easy to operate, practical, light in weight, convenient to carry and good in economy.

The invention discloses an ozone oxidation catalyst for casting waste gas treatment and a preparation method thereof, and belongs to the technical field of waste gas treatment. The mordenite is used as a catalyst carrier, the fluorinated silane is loaded on the surface of the mordenite through a reflux liquid phase deposition method to construct a hydrophobic barrier, the modified mordenite is obtained, the ozone decomposition performance of the modified mordenite in a high-humidity environment is remarkably improved, and further in an intermittent micro-negative pressure environment, the ozone decomposition performance of the modified mordenite is improved. A transition metal oxide is loaded on the surface of the modified mordenite to obtain the ozone oxidation catalyst, and through optimization of a preparation process, namely roasting activation and intermittent micro-negative pressure treatment are combined with a proper proportion of metal oxide sol, the number and accessibility of active sites of the catalyst are enhanced, and the ozone catalysis performance of the catalyst is promoted to be further improved. The ozone oxidation catalyst is applied to the treatment of casting waste gas, especially toluene-containing waste gas, and can show efficient, stable and high-adaptability treatment effects under different working conditions.

The application provides a kind of pipe bundle convection heat transfer characteristic test experimental system and experimental method based on digital twinborn technology, belongs to pipe bundle convection heat transfer characteristic test field.For solving the problem that students are difficult to intuitively analyze the movement of fluid and heat transfer process in the existing heat transfer experiment teaching, it is difficult to deeply understand the complex relationship between heat transfer and fluid mechanics, and the experimental operation and data acquisition function are not intelligent and efficient enough.A virtual and real digital twinborn experiment system is constructed, the virtual twinborn model is continuously optimized through real-time data interaction, the model accuracy and reliability are improved;Compared with the traditional virtual experiment system, the authenticity and reliability of the application are higher;Temperature, pressure field monitoring function can be realized in the area where sensors are difficult to arrange in the structure of pipe bundle heat exchanger, whether there is overtemperature and overpressure can be found in time;And to a certain extent, the temperature and pressure distribution of the system at future time is calculated, the advanced prediction and early warning function is realized to prevent equipment damage or cause safety accidents.

The application relates to the technical field of catalyst materials, in particular to a preparation method and application of a catalyst for synthesizing dimethyl carbonate from carbon dioxide and methanol; the method comprises the following steps: A, poloxamer is configured into a solution, HAc, NaClO4 and 1,3,5-trimethylbenzene are added into the solution and uniformly mixed to obtain a mixture; B, (NH4)2Ce(NO3)6 and H2BDC are added into the mixed solution in step A, the obtained solid after reaction is centrifugally separated, washed, soaked and dried to obtain a primary product, and finally the catalyst is obtained through calcination; in the application, HF-UiO-66 is synthesized by taking F127 as a template agent and taking 1,3,5-trimethylbenzene (TMB) as an expanding agent; the derivative HF-CeO2 catalyst with different TMB adding amounts is prepared through calcination; the adding of the expanding agent greatly increases the specific surface area of the catalyst, the CeO2 crystal grains generated through calcination are small, the number of acid-base sites is greatly increased, and therefore the catalyst has the largest catalytic activity, and the DMC yield reaches 12.02 mmol DMC / g cat .

This application relates to an ecological revetment structure. This application is applicable to the field of water conservancy engineering technology. The technical problem to be solved by this application is: to provide an ecological revetment structure. The technical solution adopted in this application is: an ecological revetment structure, comprising: fish nest blocks, located on the riverbed at the toe of a slope, with a first cavity in the inner top for fish to inhabit, and at least partially connected to the first cavity via vertically arranged channels on the water-facing sidewall; multiple fish nest blocks arranged along the toe of the slope to form a supporting base for the revetment structure; ecological blocks, located on top of the fish nest blocks, with a second cavity in the inner top for filling soil, and multiple through holes in the inner bottom connecting to the second cavity; multiple ecological blocks stacked on top of each other on the slope surface; and connectors, located between adjacent fish nest blocks, adjacent ecological blocks, and between adjacent fish nest blocks and ecological blocks, enabling the fish nest blocks and ecological blocks to be horizontally adjacent or vertically stacked.

The invention relates to the technical field of early screening of osteoporotic compression fracture, and provides an osteoporotic compression fracture screening method based on a multi-modal large language model. A multi-modal large language model is introduced to carry out quantitative evaluation on key functions such as posture alignment, motion coordination and pain-related reactions of a patient from images and videos, and the key functions are output in a standardized scoring form, so that structural features with clear clinical significance are automatically extracted. And constructing a machine learning model based on the above structured features, evaluating the OVCF occurrence risk, and determining key discriminant factors and the action direction thereof in combination with an SHAP feature contribution analysis and decision tree visualization method, so as to realize interpretable expression of the prediction process. The technical scheme which is safe, low in cost, explainable and easy to popularize is provided for early screening of the OVCF, and the method is suitable for various application scenes such as community and home screening.

The embodiment of the invention discloses a text processing method and device, equipment, a storage medium and a program product, and aims to efficiently and accurately complete text format conversion, easily extract text information and enhance text accessibility. The method comprises the steps that a to-be-processed text with the format type being a first format and a format mapping rule are obtained, and the format mapping rule is obtained by processing a text sample of the first format and a text sample of a second format through a pre-training language model, the format mapping rule is used for representing a mapping relationship between a format grammar of the first format and a format grammar of the second format, and the format read-write difficulty of the first format is greater than that of the second format; extracting text content features of the to-be-processed text; extracting text structure features of the to-be-processed text based on the to-be-processed text and the text content features; and processing the format mapping rule, the text content feature and the text structure feature based on a pre-training language model to generate a target text of which the format type is a second format.

The invention provides a ferrierite molecular sieve catalyst and a preparation method and application thereof, and the preparation method comprises the following steps: (1) mixing a first raw material system comprising an alkali source, an aluminum source, a silicon source, a composite template agent and water, and carrying out a first reaction to obtain a first material; (2) carrying out hydrothermal treatment on the first material, and then sequentially carrying out filtering, first drying and first roasting to obtain a second material; (3) carrying out ion exchange on the second material and a second raw material system containing an aqueous solution of ammonium salt to obtain a third material; and (4) mixing the third material with a third raw material system containing a binder and a solvent, and carrying out extrusion molding, secondary drying and secondary roasting to obtain the ferrierite molecular sieve catalyst. The ferrierite molecular sieve catalyst provided by the invention has high superposition reaction selectivity, high cracking catalytic efficiency and low cost.

This invention discloses a multi-level adaptive machining auxiliary clamping device, belonging to the field of robotic automated drilling and riveting. The base module of this invention is used to stably connect the pressure foot to the robot's end effector and provides mounting positions for the conformal module, locking module, and alignment module. The conformal module uses a cylindrical pin array to automatically adapt to the surface shape of workpieces with different curvatures and conforms accordingly. The locking module is used to lock the conformed cylindrical pin array, ensuring the stability of the conformation. The alignment module is used to align the perpendicularity of the tool axis to the workpiece surface before drilling. This invention has a simple structure, low cost, and convenient installation. By applying clamping force to the workpiece surface, it can reduce the influence of drilling axial force on the workpiece, reduce chatter during machining, and improve machining stability. Simultaneously, this device can achieve automatic conformal clamping of workpieces with different curvatures, ensuring stable clamping while reducing workpiece deformation and further improving drilling accuracy.

The utility model provides a kind of support roller buffer rack placed in belt frame, belong to coal mine electromechanical transport technical field;Including support frame and transport belt conveyor body, the transport belt conveyor body is installed on support frame, the inner wall of support frame is equipped with buffer component, for storing support roller;The buffer component includes support plate, support plate is fixedly arranged in the inner wall of support frame, sliding slot is opened in support plate, the inner wall of sliding slot is slidably provided with first sliding rod and second sliding rod;Through the setting of buffer component, it solves the current from the head transfer support roller to damage, the long distance of transport, the problem of large human consumption, when routine inspection is carried out to transport belt conveyor body, if finding initiative support roller damage, staff need not long-distance transport, just need in the vicinity of transport belt conveyor body, can conveniently take support roller from bearing plate and replace, shorten the transport time and distance of support roller, save manpower.

The invention relates to a catalyst with high hydrodesulfurization activity as well as a preparation method and application thereof. The catalyst comprises a silicon modified mesoporous carbon material and an active component loaded on the silicon modified mesoporous carbon material, the metal element of the active component is selected from at least one of a VIII group metal element and a VIB group metal element; on the basis of the total weight of the silicon modified mesoporous carbon material, the content of a silicon element on the silicon modified mesoporous carbon material is 0.1-6 wt%. The catalyst provided by the invention takes the silicon-modified mesoporous carbon material as a carrier, the silicon-modified mesoporous carbon material has the characteristics of larger probable pore diameter and the like, and the silicon-modified mesoporous carbon material as the catalyst carrier can promote vulcanization of metal species and contact between reaction molecules and an active center; the supported catalyst prepared from the silicon-modified mesoporous carbon material has higher hydrodesulfurization activity on sulfur-containing compounds difficult to remove.

The application belongs to the technical field of MOF membrane and specifically relates to a Cu-BTC / cellulose composite-based MOF membrane and a preparation method thereof. After Cu-BTC / cellulose composite material is prepared by coating microcrystalline cellulose with Cu-BTC, the Cu-BTC / cellulose composite material is mixed with a membrane preparation mother liquor, a pore preparation agent and a homogeneous membrane material to form a homogeneous casting solution, and then the Cu-BTC / cellulose composite-based MOF membrane is prepared after coating, winding, solidification and drying. The Cu-BTC / cellulose composite material prepared by the application has a sub-micron rough surface and an elongated fibrous structure, and the MOF membrane prepared therefrom has more abundant pore and channel structures, which is beneficial to increasing the accessibility of active sites and greatly improving the gas permeability and gas separation performance of the membrane.