152results about How to "Easy to build" patented technology

The present application relates to a kind of scanning tunneling microscopes and its artificial intelligence auxiliary control method, the scanning tunneling microscope includes sample stage, scanning main body device and shock absorbing frame;The sample stage includes first platform, cross slide and object platform arranged sequentially from bottom to top;The scanning main body device includes second platform, third platform and top platform arranged sequentially from bottom to top, and scanning head main body and driving device, sample stage and scanning main body device are placed on shock absorbing frame as a whole.The present application scanning tunneling microscope has the characteristics of lower cost, easy to build, and the space occupied is small, and its artificial intelligence auxiliary control method, using artificial intelligence is realized Automation control, greatly reduce the difficulty of equipment operation, it is advantageous to the completion of high-throughput scanning.

The invention provides a calculation amount drawing-oriented large model training data labeling method, device and equipment, which are used for labeling key information of a construction engineering cost calculation amount drawing. The method comprises the following steps: displaying a to-be-labeled calculation amount drawing, determining a to-be-identified area, and identifying to obtain text content and position information of a text block; displaying a label list according to the keyword field; after a user selects the tag, activating the interaction state of the to-be-identified area, so that the text block is presented as an operable hot area; after the user selects the hot area, generating a key value pair by using the selected label and the hot area text; and collecting the key value pairs of the to-be-identified areas to generate answer content, and filling the answer content into an answer part of a preset question-answer template to obtain a labeling result. By adopting the method, the field and text matching can be quickly completed, the structured annotation data is generated, the annotation efficiency and consistency are improved, and the method can be conveniently and directly used for large model training.

The utility model discloses a kind of conical pipe splicing frocks, including bottom plate, support steel plate being set on bottom plate, multiple first positioning pins being set on bottom plate in circumferential array, multiple positioning columns being set on bottom plate in circumferential array, second positioning pin being set on positioning column, the bottom plate and support steel plate circumcentre coaxial line, circumferential array setting first positioning pin, positioning column array circumcentre coaxial line, first positioning pin, positioning column are fixedly installed on bottom plate, second positioning pin and positioning column circumcentre coaxial line.The beneficial effects of the utility model are convenient to splice, improve production efficiency, locate splicing, improve product quality.

This application discloses a method and electronic device for detecting transmission parameters of through-silicon vias (TSVs), applied in the field of integrated circuit technology. The method includes: determining whether the total length of the TSV to be tested is greater than a preset first length; if so, dividing the TSV into multiple via segments such that the length of each segment is no greater than the first length; if not, treating the TSV as a TSV composed of single-segment vias; for each via segment, obtaining the pad capacitance, via pillar capacitance, anti-pad capacitance, via inductance, and via resistance of the via segment using preset parameter calculation rules, and constructing an equivalent circuit model of the via segment; cascading the equivalent circuit models of each via segment of the TSV to form an equivalent circuit model of the TSV, and performing transmission parameter detection on the TSV. Applying the scheme of this application can effectively determine the transmission parameters of the TSV, improving efficiency and ensuring the accuracy of the scheme.

This utility model provides a miniature cofferdam cover for pile foundations. The miniature cofferdam cover includes: a pile foundation, an outer shell comprising at least two outer shell segments detachably connected around the pile foundation, and a water-stop membrane, in the form of a strip, surrounding the pile foundation with its bottom end lower than the bottom of the outer shell. A fixing clip is provided on the outer shell segment, comprising a threaded rod and a fixed end movably connected to the threaded rod. The fixed end moves towards the pile foundation under the push of the threaded rod. Connection holes and water-stop strips are provided at the edges of the outer shell segment. By using the outer shell segments to surround the pile foundation, the pile foundation is isolated from the surrounding water, providing space for water-based operations. The water-stop membrane isolates water at the contact point between the outer shell and the pile foundation, preventing external water from flowing into the outer shell from the connection point. The multi-segment connection method of the outer shell segments facilitates the transportation and installation of the outer shell. Furthermore, the structure of the outer shell, which can be completed in two segments, has fewer structural components, is easy to assemble, and saves on cofferdam costs.

The present application belongs to the technical field of high-temperature alloy material performance detection, and particularly relates to a kind of high-temperature alloy electrochemical layer-by-layer stripping test methods.The present application is pretreated after high-temperature alloy sample, and the non-stripping area is coated with insulating glue, solidified, and the obtained sample to be stripped is used as anode, titanium alloy is used as cathode, is immersed in 30~40℃ electrolyte in stirring state, constant current is applied, and electrochemical stripping is carried out;Specifically: the first piece of sample to be stripped in the same batch is subjected to short-time stripping in batches, and the depth is compared layer by layer, the stripping time-stripping depth correspondence is established, the stirring, temperature and current are kept unchanged, and the other samples to be stripped in the same batch are stripped according to the stripping time-stripping depth correspondence.The method provided by the present application is simple in process, low in cost, good in stripping uniformity, high in precision, solves the problems of uneven stripping, product accumulation and low depth control precision in the existing high-temperature alloy electrochemical stripping technology.

This application discloses a federated learning method, apparatus, device, storage medium, and computer program, relating to the field of computer technology. The method includes: determining at least one target feature from data features corresponding to a training dataset; using the at least one target feature as the basis for model construction to obtain n candidate decision tree models; determining a target decision tree model from the n candidate decision tree models based on the prediction results of the n candidate decision tree models on training data in the training dataset; sending the target decision tree model to a second computing device, whereby the second computing device fuses at least two decision tree models including the target decision tree model to obtain a federated learning model. Through this method, the first computing device sends a decision tree model to the second computing device in a single transaction while protecting data privacy, making the process of constructing a federated learning model more convenient. This application can be applied to various scenarios such as cloud technology, artificial intelligence, and intelligent transportation.

The utility model discloses a combined flower box, relates to flower box technical field, including flower box entirety, flower box entirety includes box bottom plate, a plurality of groups of horizontal plate, a plurality of groups of side plate and top plate, box bottom plate top is fixed with the fixture block, horizontal plate outer wall is fixed with the first extension block. The beneficial effects of the utility model are that one sides of the clamping blocks are clamped in the first clamping grooves on the transverse plates, the transverse plates are clamped between the two groups of clamping blocks, the other sides of the clamping blocks are clamped in the second clamping grooves on the side plates, and the side plates are clamped between the two groups of clamping blocks, so that the plurality of groups of transverse plates and the side plates form a surrounding shape, planting soil and plants can be conveniently contained, and rapid forming is realized through splicing; the Chinese ancient mortise and tenon joint structure design concept is adopted, rapid building, moving and dismantling can be achieved, product transportation is facilitated, the greening rate of the space area is increased through multi-group flower box Loutu type stacking placement, the humanistic image is improved through embedding of a cat nest, a fish tank and other facilities, and various scene requirements are met.

The application relates to the technical field of workpiece cutting, and particularly discloses an intelligent cutting system based on flexible materials, an intelligent cutting method and a storage medium. The system comprises an information acquisition module, which is used for acquiring workpiece information to be cut and acquiring tool pose information and cutting feedback information in real time; a cutting control module, which is used for determining a cutting moving path and a tool lowering parameter according to the workpiece information to be cut, generating a cutting instruction based on the cutting moving path and the tool lowering parameter, and updating and adjusting the tool lowering parameter according to the tool pose information and the cutting feedback information acquired in real time during the cutting process, so as to generate a cutting update instruction; and a motion cutting module, which is used for starting cutting according to the cutting instruction and adjusting a cutting tool according to the cutting update instruction. The application monitors the pose state and the stress state of the cutting tool during the cutting process, adjusts the tool, and reduces the error generated during the cutting process to a certain extent.

The utility model discloses a simple and small motor speed measuring device, including mechanical structure and electrical control system, and mechanical structure is used for installation fixed and drive, and electrical control system is used for rotational speed measurement, adjustment and control, mechanical structure includes encoder, shaft coupling, electrical mechanism, and the encoder axle is connected with motor through shaft coupling, electrical control system contains controller, AC governor, DC governor, power, and the controller gathers the rotational speed signal of encoder, and the motor rotational speed is adjusted to AC governor or DC governor with analog signal control, the utility model discloses through to the optimization innovation of overall design and structure inside, adopts advanced design thought to simplify control mode, reduces artificial intervention, reduces the labor intensity, and the economic effect is adjusted high.

The application discloses a kind of thermotechnical hydraulic model topological structure generation method, equipment and medium, belong to thermotechnical hydraulic simulation software field, including steps: S1, identification model connector;S2, read model parameter, read and save the model parameters of upstream and downstream nodes on connection line, the upstream and downstream nodes on connection line include pipe and connector;S3, generate graph data structure, generate graph data structure vertex and edge and error for connection error;S4, generate topological structure, traverse vertex and number pipe and connector, and connect upstream and downstream;S5, supplement topological structure information, and give the initial parameters of pipe and connector to the corresponding node in topological structure.This application not only can identify visual pipe modeling connection relationship and quickly and automatically establish topological information structure, but also facilitate program maintenance and subsequent algorithm developer application.

The utility model provides a team garden plot unit, a team garden plot is formed in the team garden plot unit, the team garden plot unit comprises a plurality of wall bodies, the plurality of wall bodies are connected end to end to form the team garden plot, and at least one wall body is provided with a display board frame; the top plate assembly is located at the top of the team garden plot unit, and the peripheral side of the top plate assembly is connected with the multiple walls; the first display board is detachably connected with the display board frame; the number of the cabinet bodies is multiple, and the multiple cabinet bodies are arranged in the team garden plot unit in the circumferential direction of the team garden plot unit. According to the team garden plot unit, the modularized team garden plot is designed, so that the team garden plot unit has flexibility, standardization and multifunctionality, and the technical problem that the team garden plot unit in the prior art cannot meet the requirements of enterprise management and production is solved.

The utility model relates to the technical field of communication construction equipment, in particular to a high-efficiency welding support which comprises a chest strap body capable of being worn on the upper body of a human body, and the chest strap body comprises a pair of adjustable shoulder straps and a waist strap. The connecting piece is vertically arranged on the front side of the chest strap main body, and the end parts of the shoulder straps and the waist strap are respectively and fixedly connected to the connecting piece; the supporting plate is movably arranged on the front side face of the connecting piece, can be overturned to a horizontal posture and is perpendicular to the front side face of the connecting piece, an adjustable limiting body is arranged at the outer end of the supporting plate, and a clamping space of the welding machine is formed between the limiting body and the front side face of the connecting piece; according to the utility model, the problems of inconvenient construction and low efficiency in the existing high-altitude welding operation can be effectively solved.

A bipolar multi-mode magnetic field generator comprises a positive polarity circuit, a negative polarity circuit and a load coil; the positive polarity circuit comprises a positive polarity charging module, a positive polarity energy feedback circuit module and n positive polarity single-stage discharge modules; the negative polarity circuit comprises a negative polarity charging module, a negative polarity energy feedback circuit module and n negative polarity single-stage discharge modules. The bipolar pulse magnetic field can be outputted through the synergistic effect of the positive and negative polarity circuits. Meanwhile, the pulse source has an energy feedback circuit structure, and the system energy saving and the coil temperature rise reduction can be realized through the commutation switch. In addition, the pulse source has a modular structure, and the various output modes can be realized through the module switch timing control, thereby greatly improving the output performance of the pulse magnetic field generator on the basis of ensuring the reliable operation. The output mode can be flexibly selected, and the bipolar triangular wave and the bipolar exponential wave output modes can be realized.

The invention discloses a method for obtaining the thickness and refractive index of a film, a test system, a storage medium and application. The method for obtaining the thickness and the refractive index of the thin film comprises the following steps: obtaining an intermediate frequency signal carrying transmission phase information by using two groups of nonlinear transmission line terahertz frequency comb generators and a broadband mixer, and obtaining an actually measured phase curve based on the intermediate frequency signal; constructing an equivalent multi-optical-path interference model of the thin film, performing coherent superposition on multiple reflection components of a measured wave signal in the thin film in a complex field to obtain a complex phase of a total transmission field, and obtaining a phase-frequency change spectrum based on the complex phase as a model phase curve; and an error function of the model phase curve and the actually measured phase curve is constructed, and a parameter combination enabling the error function to take the minimum value is solved by scanning the parameter combination of the refractive index n and the thickness d of the thin film. According to the method, thermal drift or time drift of the phase is avoided, and then calculation errors caused by phase jump are avoided.

This invention discloses a method for large-scale synthesis of pure red CsPbI3 quantum dots in air. Two strong ligands with phosphorus and oxygen functional groups replace the dynamically weakly bound oleic acid ligand as a protective layer for the quantum dots. The strong binding between the phosphorus and oxygen functional groups and lead ions reduces surface defects and water-oxygen erosion channels in the quantum dots, enabling quantum dot synthesis in air. Simultaneously, triphenylphosphine oxide with high steric hindrance is introduced to regulate the ripening process of the quantum dots to ensure high color purity. Furthermore, air synthesis allows for rapid mixing of large quantities of precursors, avoiding the numerous defects and performance degradation caused by uneven temperature and asynchronous nucleation and growth in large-scale synthesis. Through the dual-ligand strategy, gram-scale pure red quantum dots with a hundredfold scale-up retain more than 80% of the optical and electrical properties of small-scale synthesis, achieving a PLQY of 80.2% and a corresponding LED device efficiency of 13.29%, realizing the synthesis of high-performance large-scale quantum dots suitable for electroluminescence.

This invention discloses a high-speed parallel water entry experimental launching device and method for a vehicle, belonging to the field of hydrodynamic experiments. It includes a supporting base, a parallel controller, a parallel launching assembly, and a power unit. The parallel launching assembly is mounted on the supporting base via the parallel controller, and the power unit provides launching power and adjusts the water entry velocity. The parallel launching assembly includes a first launching device and a second launching device arranged side-by-side, enabling parallel launching of two projectiles and adjustment of the launching angle. The parallel controller includes a parallel control mechanism and a spacing adjustment mechanism. The parallel control mechanism ensures the relative parallelism of the first and second launching devices, while the spacing adjustment mechanism adjusts the launching distance between the first and second launching devices. This invention has a simple and practical structure, is easy to assemble, has high reliability and durability, and exhibits good repeatability and safety, providing experimental assurance for studying the hydrodynamic characteristics of structures at the moment of water entry.

The present application relates to the technical field of fluorine-containing wastewater treatment, and specifically discloses a fluorine-containing wastewater coagulation-crystallization advanced treatment method and equipment, which comprises the following steps: sending fluorine-containing wastewater into a conditioning tank for water quality and quantity homogenization; sending the conditioned wastewater into a reconstruction section reaction tank, and then into a reconstruction section conditioning tank and a reconstruction section flocculation tank in sequence; introducing part of the first fluorine-containing sludge into a crystal fluorine recrystallization device, and then returning the activated sludge to the reconstruction section reaction tank; sending the supernatant into an induction section reaction tank; then into an induction section conditioning tank and an induction section flocculation tank in sequence, and finally performing solid-liquid separation in an induction section sedimentation tank; and monitoring the fluorine ion concentration of the effluent from the induction section sedimentation tank. The present application constructs a two-section gradient coupling treatment system of "reconstruction section rough fluorine removal + induction section fine fluorine removal", and innovatively integrates the "crystal fluorine recrystallization strengthening" and "exceeding standard backflow closed loop regulation and control" mechanisms.

The invention discloses a composite building component unit. The composite building component unit comprises a first panel; a second panel opposite to the first panel; the isolation body is arranged between the first panel and the second panel and is used for isolating and fixing the first panel and the second panel; a filling space is defined by the first panel, the second panel and the isolation body; the anti-cutting spiral piece is arranged in the filling space, so that the composite building component unit is not influenced by a building, can be built in an open position and can also be completely attached to the inner wall of the building to be built, and the anti-damage performance of the composite building component unit can be effectively improved through the anti-cutting spiral piece.

The invention discloses a heterogeneous environment prediction model training and deployment method and system, and relates to the field of prediction model training. In order to overcome the defects that an existing model training and deployment method is large in development difficulty, low in deployment efficiency and lack of unified management of multiple versions, an integrated development environment and an integrated development framework are used, and multiple pre-training models and operators are built in; carrying out data preprocessing and exclusive model building, obtaining training data to carry out model training, and generating a training model; all training models are arranged in a model center for unified management; aPI service development is carried out, a unified model algorithm reasoning framework is adopted, self-defined service development is carried out, and self-defined AI service is generated; the AI service is audited and published to be online, and the online AI service is used by an external application; based on distributed task scheduling and service arrangement, AI services are scheduled and run on a service running platform. The method is mainly used for establishing the prediction model for the heterogeneous environment.

This invention discloses a gas diffusion layer with multi-level mass transfer channels, its preparation method, and its application. The gas diffusion layer with multi-level mass transfer channels includes a substrate layer and a microporous layer on the substrate layer; wherein the microporous layer comprises carbon black, hollow porous carbon nanofibers, and optionally a hydrophobic binder. This invention uses hollow porous carbon nanofibers as a novel MPL carbon material to synergistically construct a gas diffusion layer with better water vapor management capabilities in conjunction with carbon black particles. The resulting gas diffusion layer exhibits excellent comprehensive performance; its hollow porous structure provides additional water transport channels, improving water vapor transport capacity, thereby enabling the assembled membrane electrode to have better output performance.

The application discloses a kind of microcavity optical frequency comb ultra-high repetition frequency precision measurement system and method, solve the existing microcavity optical frequency comb repetition frequency measurement system because of facing electronic device frequency bandwidth bottleneck lead to the problem that measurable range is seriously limited, including optical rough measurement unit, comb tooth processing unit, modulation frequency shift unit, reference equalization unit, beam combination beat frequency unit and microwave precision measurement unit;Optical rough measurement unit is used to measure the repetition frequency of the light beam to be measured, and is divided into measurement beam and reference beam;Comb tooth processing unit is used to filter out target comb from measurement beam;Modulation frequency shift unit is used for electro-optic modulation to target comb;Reference equalization unit is used to control the reference comb power of reference beam to obtain better beat frequency detection effect;Beam combination beat frequency unit is used for optical beam combination beat frequency between target comb and reference comb and is divided into two beams;Microwave precision measurement unit is used to detect the beat frequency signal between target comb and reference comb, to realize the precision measurement of repetition frequency.

The invention relates to the field of PBO fabric surface modification, and provides a continuous surface modification method for a PBO fabric. According to the method, construction of a gallic acid (GA) polyphenol layer is promoted through normal-pressure low-temperature plasma, and a taurine hydrophilic group is introduced for surface modification of the PBO fabric. The method comprises the following steps: firstly, cleaning and drying a PBO fabric, then carrying out on-line activation on the fabric by utilizing plasmas, and immersing the fabric into a GA system within 0-30 seconds after plasma treatment, so that a polyphenol layer is formed on the surface of the fabric by GA; and finally, immersing the fabric into a taurine solution, so that taurine is fixed on the surface of the polyphenol layer through a quinone-amine reaction and a Michael addition reaction, and washing, drying and curing to obtain the modified PBO fabric. The process can be continuous, the wettability of the PBO fabric can be remarkably improved, the interfacial compatibility with a resin material is enhanced, and the shear strength of the composite material is improved.

The application discloses a high-interaction naturalness brain-computer interface system based on common stimulation coding, which comprises a common stimulation setting module, a basic code element construction module and a time domain coding / decoding module; the common stimulation setting module is used for setting common stimulations in a space division multiple access manner within a user's gaze visual range; the basic code element construction module is used for constructing basic code elements according to the control conditions of each stimulation, including each stimulation and the relative position of characters relative to each stimulation; and the time domain coding / decoding module is used for time domain coding of each operable object according to the time sequence of common stimulation presentation after the basic code elements of each stimulation are determined, and the exact characters gazed by the user are obtained by analyzing the code elements corresponding to the stimulations at different moments through the decoding result of the time domain coding and the space-time code sequence. The application realizes a high-interaction brain-computer interface system for consumer-level users.

The utility model belongs to ship automatic rudder system test and simulation technical field provides a kind of steering control simulation equipment, including control box, the side of control box is equipped with bearing plate, the inside of bearing plate is equipped with horizontal screw rod, the side of bearing plate is equipped with the stepping motor of external power supply and screw rod interconnection, sliding member of sliding connection is equipped on screw rod, vertical linkage rod is equipped on sliding member, rudder blade connecting rod is equipped below linkage rod, feedback linkage assembly is equipped between rudder blade connecting rod and linkage rod, feedback linkage assembly is used to change the linear motion of rudder blade connecting rod into circular motion;The automatic rudder simulation device designed in the utility model can simulate the rotating action of rudder blade connecting rod without real rudder and hydraulic servo system, and is low in cost and safe in operation.

The utility model relates to the technical field of strapping, in particular to strapping equipment with a needle type printing function, which comprises a casing, a tape reel and a printing component are mounted in the casing, a strapping tape is wound on the tape reel, and one end of the strapping tape is led out of the tape reel and penetrates through the printing component. Wherein the printing assembly comprises a guide plate, a needle type printing head, a colored tape box and a colored tape driving assembly, the guide plate is provided with an inner cavity penetrating through the guide plate so that the binding tape can penetrate through, the guide plate is provided with a first opening and a second opening which penetrate through the two side walls in the thickness direction of the guide plate and are oppositely arranged, and a guide wheel abutting against the binding tape is installed at the first opening. A colored tape is stored in the colored tape box, part of the colored tape is led out of the colored tape box and located at the second opening, the colored tape located outside the colored tape box is attached to the binding tape at the second opening, the colored tape located at the second opening is located between the needle type printing head and the binding tape, and the colored tape driving assembly can drive the colored tape and the binding tape to synchronously move at the second opening.

This invention relates to the fields of transcription factor engineering and metabolic engineering, and discloses an engineered strain that produces L-isoleucine, its construction method, and its applications. This strain... E. coli K12, MG1655 ( E. coli A1) serves as the host, integrating the subunit of the host factor IHF. ihfβ, ihfα Natural promoter replaced with P trc Strong promoters enable IHF overexpression, resulting in engineered bacteria. E. coli IHF4. This invention also discloses the construction steps of this strain, as well as its application method for L-isoleucine production by inoculating it into a fermentation medium, culturing it at 36-38℃ and 200 r / min for 40-60 h, and adjusting the pH and supplementing sugar. This engineered strain increases the yield of L-isoleucine by 42.11% compared to the starting strain. The construction method is simple and suitable for industrial microbial fermentation production of L-isoleucine.

The invention relates to the technical field of biology, in particular to a method for regulating and controlling the methylation level of a plant genome DNA specific region by using a Cas12i system. The invention provides a fusion protein. The fusion protein sequentially comprises a first nuclear localization signal peptide, a methylation modification structural domain, a connecting peptide, a nuclease activity-free Cas12i protein and a second nuclear localization signal peptide from an N terminal to a C terminal, the methylation modification structural domain is OsSUVH2 protein capable of up-regulating the methylation level or a functional active fragment of the OsSUVH2 protein; the amino acid sequence of the OsSUVH2 protein is as shown in SEQ ID NO: 1; the amino acid sequence of the nuclease activity-free Cas12i protein is as shown in SEQ ID NO: 3. The invention also provides a CRISPR-dCas12i system constructed on the basis of the fusion protein. According to the CRISPR-dCas12i system, the methylation modification efficiency of the plant genome DNA is remarkably improved.

The invention discloses a method for synthesizing chiral morpholine from propargyl alcohol ester. Chiral morpholine is an important drug molecular skeleton and is widely applied to the aspects of analgesia, anesthesia, tumor resistance, heart treatment and the like as a drug active ingredient, but an efficient synthesis method is lacked. According to the method disclosed by the invention, under the regulation and control of arylboronic acid and a specific chiral ligand, propargyl alcohol ester and an affinity reagent react to obtain optically pure (87-97% ee) morpholine. The method has the characteristics that the catalyst and the ligand are wide in source, and the substrate is cheap and easy to obtain; the chiral morpholine has excellent enantioselectivity and good functional group compatibility, can be suitable for structural modification of bioactive molecules and intermediates, and is a simple and efficient asymmetric catalysis strategy for synthesizing chiral morpholine.