20results about How to "Implementation complexity" patented technology

The invention relates to the technical field of biological materials, in particular to a local anticoagulation acellular bone matrix composite material and a preparation method thereof.The preparation method comprises the following steps that S1, bone tissue is obtained and treated, and an acellular bone matrix is prepared; s2, mixing an anticoagulant with the acellular bone matrix to form an anticoagulant compound; s3, mixing the anticoagulant compound with a biocompatible carrier to form a final composite material; and S4, preparing the composite material into an implant or a stent with a required shape through a molding and curing process. By arranging the acellular bone matrix, the natural structure and biological activity of the bone matrix are reserved to the maximum extent, and meanwhile, all cell components are removed, so that immunogenicity and pathogen transmission are reduced; by adding the anticoagulant, discomfort can be reduced after the local anticoagulant acellular bone matrix composite material is implanted into a human body, and the problems that in the prior art, an acellular bone matrix has the blood coagulation risk, and incompletely-treated bone tissue has immunological rejection are solved.

The utility model provides a die finish-milling processing system, which comprises a workbench, a tool changing system, a controller, an oil gas pressure system, an illuminating system, a lathe bed, a cooling system and a blowdown system, can finish processing tasks in an extremely short time, greatly improves production efficiency, and is convenient to operate due to the fact that only one-time clamping is needed. According to the die machining device, machining can be highly centralized and accurately controlled, high-precision machining is achieved, the complex and fine requirements are met, the number of times of transportation of workers can be reduced, and multi-aspect rapid, efficient and accurate machining of the die can be achieved at a time.

The application discloses a spherical decoding detection method and device, electronic equipment and a readable storage medium, and belongs to the technical field of wireless communication. The application obtains a Q matrix and an R matrix by performing orthogonal triangular QR decomposition on a channel response matrix, wherein each column in the Q matrix is arranged according to the size of channel energy; determines a target equalization signal according to the Q matrix and the R matrix; performs an ML path search process according to the target equalization signal to select N branches with minimum metrics as survivor paths; performs ML complement path search on the survivor paths to obtain ML complement paths; takes the survivor paths with minimum metrics as ML paths, and obtains the likelihood ratio information of each bit of each symbol at each layer according to the ML paths and the ML complement paths. The application can reduce the operation complexity of the spherical decoding algorithm while maintaining the decoding detection performance.

According to the field effect transistor based on component and gate voltage combined regulation and control and the preparation method thereof, a silicon dioxide layer is arranged on an intrinsic low-resistance silicon substrate, a source metal electrode and a drain metal electrode are arranged on the silicon dioxide layer, the source metal electrode and the drain metal electrode are metal composite electrodes and comprise a chromium electrode and a gold electrode, the bottom layer filled with channels of the source electrode and the drain electrode is a bismuth-selenium-oxygen nanosheet, and the bottom layer filled with the bismuth-selenium-oxygen nanosheet is a bismuth-selenium-oxygen nanosheet. A black arsenic-phosphorus nanosheet and a top gate bismuth-selenium-oxygen nanosheet dielectric layer are arranged on the bismuth-selenium-oxygen nanosheet, and the source electrode, the drain electrode and the gate electrode are connected with corresponding lead electrodes and are used for being connected with an external test circuit. According to the field effect transistor based on combined regulation and control of the components and the gate voltage and the preparation method of the field effect transistor, through packaging of the bismuth-selenium-oxygen nanosheets, the components of black arsenic and phosphorus and the gate voltage of the top gate are adjusted, so that the photoelectric performance of the device in the visible light, near-infrared and medium-wave infrared ranges is optimized.

The invention relates to a multi-stimulus-response reprogrammable shape deformation method, and belongs to the field of functional materials. The shape deformation method comprises the following steps: heating the multi-stimulus response nano composite material to a glass-transition temperature, and inducing the nano composite material to deform through external constraint; heating until the temperature exceeds the topological freezing transition temperature, so that a dynamic cross-linked network in a resin matrix of the nano composite material is activated and recombined, and releasing stress to obtain a completely reshaped composite material; cooling and removing the external constraint, and raising the temperature to a glass-transition temperature to realize deformation programming of the nano composite material; the temperature is increased to the glass transition temperature after cooling, and the nanocomposite recovers to the permanent shape after reshaping; the nano composite material is a resin matrix composite material containing dynamic covalent bonds. The method is easy and convenient to operate, various in stimulation and rapid in response, the shape of the material can be reprogrammed, the shape memory function is achieved, and the shape of the formed material is changed.

The invention relates to the technical field of information processing, in particular to a data exporting method, device and equipment and a storage medium, comprising: acquiring user demand information, and performing template configuration and push configuration according to the user demand information to obtain template configuration data and push configuration data; obtaining a user query instruction, and obtaining corresponding SQL file data according to the user query instruction; performing file conversion on the SQL file data according to the template configuration data to obtain EXCEL file data; generating push information according to the EXCEL file data, and performing push processing on the push information according to the push configuration data; according to the method, the whole data exporting process is high in automation degree, the user only needs to provide the demand information and the query instruction to obtain the needed data file and push service, the complexity of user operation is greatly reduced, the user satisfaction degree is improved, and the user experience is enhanced.

The embodiment of the invention discloses a ditch pipe culvert cost data interpolation prediction method and device and computer equipment. The method comprises the following steps: acquiring ditch pipe culvert cost data with missing values to obtain data to be interpolated; inputting the data to be interpolated into an interpolation prediction model for data interpolation to obtain an interpolation result; and outputting the interpolation result. Wherein the interpolation prediction model is a model obtained by constructing a training data set by using historical ditch pipe culvert cost data and external specific condition information and training a deep learning network by using DDPM. By implementing the method provided by the embodiment of the invention, the complex change and diversity of the captured data can be realized, so that the missing data can be filled up, and the missing data interpolation precision can be improved.

The invention relates to the technical field of cement preparation, and discloses a method for preparing an all-solid waste cement product by utilizing cement kiln tail flue gas mineralization, which comprises the following steps: step 1, magnesium slag preparation; step 2, preparing magnesium slag slurry; step 3, forming; step 4, mineralization treatment; 5, mineralization condition control; and step 6, standing and maintaining. The Pidgeon process magnesium slag is used as a main raw material, the magnesium slag is an industrial byproduct generated in the steel production process, the complexity of raw material purchase is reduced, the fineness of the magnesium slag powder is specified to be smaller than 75 microns, the consistency and reliability of the raw material are ensured, variables in the post-treatment process are reduced, and the production cost is reduced. CO2 waste gas generated by the cement plant is used as a mineralization source, so that the complexity of purchasing external gas is reduced, meanwhile, cyclic utilization of resources is realized, and the beneficial effects of simplicity and convenience in operation and high efficiency are achieved.

The present invention provides an adaptive traffic distribution method and system based on clustering and quantum computing, which relates to the field of network technology, including collecting network behavior data, constructing sample clusters, taking values ​​of the total number of clusters corresponding to the sample clusters for multiple times, and obtaining the optimal total number of clusters and initial clustering results based on a similarity profile method; determining the average position of all sample points for each cluster, updating the cluster center, reallocating all sample points, obtaining new clustering results, and repeating iterations to obtain network behavior clusters; determining network behavior characteristics, defining a comprehensive objective function, mapping decision variables into quantum states through binary coding, constructing an initial quantum population, performing quantum crossover and quantum mutation on the quantum states, iteratively updating the quantum population, and realizing adaptive traffic distribution in combination with the calculation results of the comprehensive objective function.

This invention discloses a 3D-printed liquid crystal elastomer (LCE) actuator and its electrothermal actuation method, belonging to the field of smart materials technology. Addressing the problems of complex alignment processes, difficulty in balancing printability and actuation performance, and limitations in three-dimensional structures inherent in traditional LCE processes, this invention utilizes material-structure co-design to directly induce liquid crystal alignment using the shear force of the 3D printing nozzle and achieves local alignment programming. By controlling the ratio of furan to phenylethylamine to construct a cross-linked network containing dynamic Diels-Alder bonds, high-temperature decrosslinking 3D printing and structural reconfigurability are achieved. Optimized printing parameters combined with conformal printing are used to fabricate a large-deformation three-dimensional LCE actuator. Electrothermal actuation is achieved using Joule heating with a serpentine resistance wire. The actuator prepared by this invention exhibits fast phase change response, large actuation deformation, and can be integrated into a single unit, making it suitable for flexible intelligent equipment and soft robots.

The application discloses a flight control actuator performance testing device capable of simulating a real service environment, comprising: a test bench, wherein a test channel one and a test channel two are arranged on the test bench; an actuator loading testing mechanism one, which is arranged in the test channel one and is used for realizing force position simulation, variable stiffness simulation and inertia simulation of the actuator; an actuator loading testing mechanism two, which is arranged in the test channel one and is used for realizing force position simulation, stiffness simulation and inertia simulation of the actuator; the actuator loading testing mechanism one and the actuator loading testing mechanism two are separated or combined through a clutch, when the two are separated, single-channel loading testing and double-channel synchronous loading testing can be realized, and when the two are combined, double-channel coupled loading testing can be realized. The device solves the industry problem that the traditional ground testing is mismatched with the real flight working condition, and provides a reliable means for performance verification, fault reproduction, algorithm optimization and airworthiness certification of the flight control actuator system.

The invention discloses a configurable reduction circuit for integer operation in a post-quantum cryptographic algorithm, and belongs to the technical field of cryptographic algorithm hardware implementation. The configurable reduction circuit receives an 8-bit integer index value, a 24-bit random integer, a 32-bit random integer, a 2-bit security level signal and a 1-bit mode selection signal; gating the corresponding 16-bit intermediate parameter n and 18-bit intermediate parameter nu according to the 2-bit security level signal; and selecting one of the two reduction paths according to the 1-bit mode selection signal, and performing reduction by using the 16-bit intermediate parameter n and the 18-bit intermediate parameter nu to obtain a 16-bit mode reduction result. According to the method, a shared wide-bit multiplier can be constructed by unifying the reduction process, and the same multiplication computing resource is multiplexed in different reduction modes in combination with bit field selection and control logic, so that the hardware resource consumption and the implementation complexity are effectively reduced while the function correctness is ensured.

The invention relates to the field of highway engineering informatization, in particular to a highway engineering project index data management method and system. According to the method, management based on the relational database is facilitated through the structured index data, and then various complex queries and statistical analysis are rapidly achieved. Meanwhile, through a configurable index data template, the index data management requirements of projects of different types, different technical levels and different design stages can be met; and the data matching rule of the standard subitem in the template can be flexibly configured, so that index data exported by different commercial software can be dealt with. Therefore, the data structures of the index data of different sources are unified, the index data are managed by the unified structured data, and statistical analysis is carried out based on the structured data.

The present invention discloses an atmospheric turbulence light intensity flicker model parameter estimation method, system, device and medium, and relates to the fields of free space optical communication technology and free space quantum communication technology, including: obtaining multiple channel sampling values ​​of atmospheric turbulence, and obtaining initial channel parameters of the channel sampling values; generating multiple groups of light intensity flicker samples according to the estimated channel parameters, and obtaining the light intensity flicker estimation model of each group of light intensity flicker samples by using the nearest neighbor density estimation method; eliminating data that are not within the light intensity flicker sample range in the channel sampling values, and inputting the remaining data into the light intensity flicker estimation model to obtain the average log-likelihood function value; iterating the step of obtaining the average log-likelihood function value, and using the gradient descent method to iterate the values ​​and channel parameters, and obtaining the maximum average log-likelihood function value and channel parameter value. The present invention achieves a trade-off between estimation accuracy and computational complexity, and improves the efficiency of parameter estimation of different channel models.

The invention provides an after-sales installation system and method for a heat pump, and the system comprises a communication network construction module which is used for constructing a data communication network between a heat pump unit and communication equipment; the encryption module is used for generating a random password for the heat pump unit based on the cloud platform and transmitting the random password to the heat pump master controller for encryption according to the data communication network; the auditing module is used for reading the after-sales installation information of the heat pump unit based on the cloud platform, collecting real-time installation information of the heat pump unit according to the data communication network, and auditing the real-time installation information of the heat pump unit based on the cloud platform according to the after-sales installation information; and the decryption module is used for generating a secret key corresponding to the heat pump unit based on the cloud platform when the verification is passed, and starting the heat pump unit according to the secret key. Efficient, safe and orderly management and control on after-sale installation of the heat pump are facilitated, and the installation efficiency and the installation quality of the heat pump are improved.

The application discloses a kind of optical fiber spectrometer and spectral detection method, it is related to spectral detection technical field, the optical fiber spectrometer includes optical signal receiving module, transmission optical fiber and integrated in integrated shell optical fiber end face miniature optical splitting device, signal acquisition module, spectral information processing module.Optical signal receiving module is converted into parallel light signal after light signal, transmission to the optical fiber end face miniature optical splitting device that binary Fresnel diffraction lens is etched in transmission optical fiber core using photolithography method, obtain circular diffraction spot, and it is irradiated to signal acquisition module;Signal acquisition module is converted into electrical signal by circular diffraction spot, and transmission to spectral information processing module, obtain spectral information.The application directly integrates optical splitting element in optical fiber end face, simplifies optical path design, realizes the miniaturization and portable of equipment by integrated shell, so that compact structure, stable performance, can realize high-precision real-time spectral detection, applicable to a variety of spectral analysis scene.

This invention discloses an acoustic valve microrobot manipulation system and method. An acoustic transducer is movably mounted below a mechanical frame, which has a microchannel structure. A coupling layer is provided between the acoustic transducer and the microchannel structure. The acoustic transducer provides a focused acoustic beam that acts within the microchannel structure to generate a standing wave sound field. This standing wave sound field forms a spatially constrained sound pressure gradient region within the microchannel structure, constructing an acoustic potential well structure. A bright-field optical path and an image recognition module are both mounted on the top of the mechanical frame. The image recognition module is used to identify the position of targets within the microchannel structure. A motion control module is movably mounted at the bottom of the acoustic transducer to regulate the signal of the acoustic transducer and control its displacement on the mechanical frame. This invention enables selective manipulation of targets by utilizing the boundary effect of the focused field, integrating functions such as translation, sorting, and enrichment.

The utility model discloses energy storage equipment, and belongs to the technical field of energy storage. The energy storage equipment comprises a box body, a plurality of battery clusters and a liquid cooling system, a plurality of cabins are formed in the box body, the plurality of cabins comprise at least one comprehensive cabin and a plurality of battery cabins which are sequentially arranged at intervals in the length direction of the box body, the plurality of battery clusters are installed in the plurality of battery cabins, and the liquid cooling system comprises a liquid cooling electrical assembly and a liquid cooling pipe set. The liquid cooling electrical assembly is installed in the at least one comprehensive cabin, one end of the liquid cooling pipe group is located in the at least one comprehensive cabin and is communicated with the liquid cooling electrical assembly, the other end of the liquid cooling pipe group is located in the plurality of battery cabins and is communicated with the plurality of battery clusters, and the layout mode reduces space waste, so that the whole equipment is more compact and efficient; a large amount of space is saved, the installation space of the battery pack is prevented from being reduced, and the capacity of the whole energy storage equipment can be improved.

The present invention discloses a method for modeling a omnidirectional non-uniform evaporation waveguide profile based on a two-dimensional Markov chain, comprising the following steps: step 1, dividing the area of ​​non-uniform evaporation waveguide height into a plurality of element units of equal size; step 2, dividing the area of ​​change of the two-dimensional non-uniform evaporation waveguide height into two directions, horizontal and vertical; step 3, performing an oblique simulation on the blocks in the waveguide area; step 4, calculating three horizontal, vertical and oblique transfer probability matrices; step 5, estimating the horizontal and vertical extension lengths of different evaporation waveguide heights. The method and device disclosed by the present invention couple one-dimensional Markov chains in multiple directions in order to better describe the spatial distribution of the evaporation waveguide profile, and propose a coupled Markov chain model suitable for multi-dimensional evaporation waveguide profile simulation.

The invention relates to the technical field of vehicle identification, and discloses a vehicle model scanning and identifying device, which comprises a stand column, two identification assemblies, a scanning module and a control module, and is characterized in that the top of the stand column is provided with two identification assemblies; the protective seat is fixed to the top of the stand column, and the protective seat is of a hollow structure; the protective cover is fixed at the bottom of the protective seat, and the identification assembly is arranged in the protective cover; the transmission ring is rotationally arranged at the bottom of the protective cover, and two cleaning assemblies are arranged at the top of the transmission ring; and the pneumatic assembly is arranged at the bottom of the protective cover, the pneumatic assembly is used for driving the transmission ring to rotate, and the pneumatic assembly communicates with the sweeping assembly. According to vehicle identification, the pneumatic assembly is adopted to drive the sweeping assembly to rotate, gas is injected into the sweeping assembly, the surface of the protective cover is preliminarily cleaned through the gas, and the technical problems that in the prior art, the sweeping assembly works for a long time, consequently, scratches appear on the surface of a protective structure, and the service life of the sweeping assembly is shortened are effectively solved.