73results about How to "Flexible construction" patented technology

The invention belongs to the technical field of power prediction, and discloses a new energy power prediction method and system based on multi-source meteorological data fusion, and the method comprises the steps: obtaining meteorological data from different meteorological data sources in real time or at regular time through a data obtaining module; carrying out preliminary screening and preprocessing on the obtained data by utilizing a data processing module; the data fusion module is used for integrating meteorological data from different sources by adopting an advanced data fusion algorithm to eliminate data redundancy; a mathematical model or a machine learning model suitable for new energy power prediction is constructed by using the prediction model module based on meteorological data of multi-source fusion; and the result output and evaluation module is used for outputting the prediction result to a user in a visual form, and carrying out real-time or regular evaluation on the prediction result. The method has the characteristics of diversified data sources, advanced data fusion technology, flexible prediction model construction, high real-time performance and accuracy, wide application scenarios and the like.

According to the priority asynchronous processing method and system for network security, multiple data sources are integrated, the threat level of each data packet is evaluated in real time, and the processing priority of each data packet is dynamically adjusted according to the threat level. Different from a traditional static method, the method provided by the invention utilizes an advanced machine learning algorithm, can perform dynamic evaluation in multiple dimensions, and timely identifies and preferentially processes high-risk data packets. The mechanism obviously improves the response capability of the system to novel and complex attacks. Meanwhile, a multi-node cooperative attack response mechanism is introduced, when a certain node detects abnormal traffic, other nodes can be automatically notified, threat situation information can be shared, and therefore rapid cooperative reaction is achieved. The integrated innovation not only enhances the overall security of the network, but also optimizes the data packet processing efficiency, effectively solves the main defects in the traditional network security system, and provides a new thought for constructing a safer and more flexible network environment.

The invention discloses a multi-modal large model automatic evaluation method and system based on Agentic Workflow, relates to the technical field of artificial intelligence model evaluation, and solves the technical problems that an existing large model evaluation method lacks image-text evaluation, is relatively high in subjectivity and is easy to cause illusion. The method comprises the following steps that S1, an input task is analyzed, and a structured task template is generated; s2, generating a multi-round multi-modal task flow chart based on the task template generated in the step S1; s3, based on the flow chart in the step S2, distributing the multi-modal large model component to each task node, executing a task and obtaining an intermediate result; s4, performing multi-dimensional scoring on the intermediate and final results in the step S3 by a plurality of scoring Agents, and fusing to generate an evaluation result; and S5, generating a feedback report based on the process data in the steps S1 to S4, identifying a model short plate, and providing an optimization suggestion. The method has the advantages of comprehensive evaluation of multiple modes, real-time feedback optimization and the like.

The invention discloses an ultrahigh ALC wallboard construction method adopting a frame method, and relates to the technical field of construction management, the method comprises the following steps: S1, construction preparation; s2, surveying and setting out; s3, a bearing frame and an operation frame are erected; s4, embedded steel bars and column steel bars are bound, and a formwork is installed; s5, beam bottom formwork installation and steel bar binding; s6, a beam side formwork is installed; s7, concrete pouring; s8, concrete curing; s9, a bottom layer ALC wallboard is installed; s10, an upper-layer ALC wallboard is installed; s11, glass fiber gridding cloth is attached to plate seams; and S12, performing the next process. According to the method, the ultrahigh wallboard is installed in a segmented mode, the installation difficulty caused by the fact that the whole board is too long can be effectively avoided through segmented construction, the precision and perpendicularity of the ALC wallboard are ensured, and the frame structure not only provides a supporting function, but also can play an effective limiting and correcting role in construction; and the mounting stability and accuracy of each section of wallboard are ensured.

The utility model relates to a self-sealing pipeline connecting device which comprises a pipe fitting, a plurality of communicated pipeline connectors are arranged on the pipe fitting, pipelines are inserted into the pipeline connectors, installation grooves are formed in the inner walls of the pipeline connectors or the outer walls of the pipelines in the circumferential direction, sealing rings are arranged in the installation grooves, and the sealing rings are arranged between the pipeline connectors and the pipelines for sealing. After liquid is introduced into the pipeline, the liquid acts on the sealing ring, a structure matched with the liquid to increase the extrusion force of the sealing ring is arranged on the corresponding installation groove and / or the sealing ring, a locking mechanism convenient to disassemble and assemble is arranged between the pipeline connector and the pipeline, and the locking mechanism locks the pipeline connector and the pipeline. Liquid introduced into a pipeline is innovatively used as a key part of a sealing structure, sealing and locking structure design is carried out on the basis, the sealing structure has the advantages of being simple and reasonable in structural design, low in cost, convenient to disassemble and assemble, good in sealing effect, reliable in locking and the like, and the pipeline construction efficiency and quality can be improved easily.

The utility model discloses a suspension type floor formwork. The suspension type floor formwork comprises a plurality of metal formworks, a plurality of metal hanging pieces and a plurality of suspension supporting pipes. The metal formworks are strip-shaped, a plurality of through holes are formed in the side faces of the metal formworks, and the multiple metal formworks are installed to form a floor frame. The metal hanging piece comprises an upper connecting part and a lower hanging part, a plurality of through holes are formed in the connecting part, and a plurality of pipe grooves are formed in the hanging part; for any two parallel metal templates, a plurality of metal hanging pieces are installed on the side, facing the other metal template, of each metal template, and the positions of the metal hanging pieces installed on the two metal templates correspond to each other; the two ends of each hanging supporting pipe penetrate through the pipe grooves of the two metal hanging pieces opposite in position and are located below the two metal formworks. A plurality of metal pipes are further placed between the two parallel metal formworks and above the hanging supporting pipes, and wood formworks or rubber formworks are laid above the metal pipes.

The invention discloses a server test environment guarantee method and system based on dynamic simulation, a storage medium and computer equipment. The method comprises the steps that the air inlet temperature, real-time power consumption and heat dissipation strategy signals of a tested server and the actual environment temperature of an incubator are collected in real time; dynamically setting the temperature of the air inlet of the tested server as the target environment temperature of the incubator, and calculating the real-time temperature deviation between the actual environment temperature and the target environment temperature; if the real-time temperature deviation exceeds a preset threshold value, a dynamic PID control algorithm is triggered, a basic control quantity is obtained through calculation according to the real-time temperature deviation through the dynamic PID control algorithm, a dynamic compensation quantity is obtained through calculation according to the target environment temperature, the real-time power consumption and the heat dissipation strategy signal, and the heat dissipation strategy signal is obtained based on the basic control quantity and the dynamic compensation quantity. Generating a temperature control instruction of the incubator; according to the temperature control instruction, a refrigerating or heating device of the incubator is dynamically adjusted so as to guarantee the test environment of the tested server.

The utility model discloses an ultrahigh concrete outer gutter formwork structure which comprises a scaffold body arranged on the outer side of a building, a triangular support body capable of being movably and detachably installed is arranged on the outer side of the scaffold body, the movable side of the triangular support body is connected with a first longitudinal beam rod, and the first longitudinal beam rod vertically extends; a supporting bracket is arranged on the first longitudinal beam rod and the scaffold body and used for bearing square timber at the bottom of the bottom formwork. The supporting bracket has the beneficial effects that square timbers at the bottom of a bottom formwork in a gutter and a roof beam can be supported through the supporting bracket, erecting of the formwork is achieved, after the formwork is fixed, the concrete gutter and the roof beam can be poured at the same time, the forming quality of concrete is improved, the integrality of one-time pouring forming is good, and the hidden danger of leakage is reduced; as the gutter is far away from the roof beam, auxiliary supporting can be achieved through the triangular support body, bearing capacity is high, and safety and reliability are achieved.

The invention discloses a voice-driven virtual scene generation and switching method and an implementation system, which are applied to meta universe VR (virtual reality) glasses equipment, and comprise the steps of recognizing an instruction of a user through voice recognition and natural language processing technologies, generating or switching a virtual scene in real time, and realizing personalized scene creation and object generation. The edge computing node is adopted to process a high-calculation-amount task, the delay of scene generation and switching is remarkably reduced, the data transmission efficiency is improved by dynamically selecting the optimal node, the privacy security of a user is guaranteed, and through frame rate smooth adjustment and a scene fade-out mechanism, the experience of the user for exiting the virtual scene is optimized, the dizziness is reduced, and the user experience is improved. And the interaction fluency and comfort are improved. The method has the characteristics of quick response, convenient operation and strong privacy protection, and is widely applied to the virtual reality application fields of games, education, medical treatment and the like.

This application relates to the field of geotechnical engineering and underground engineering construction technology, and discloses a method for trenching hard rock walls based on small-diameter borehole blasting pre-splitting. The method includes: conducting a geological survey of the construction area to determine whether it belongs to hard rock strata that are difficult to directly trench mechanically; if so, determining the locations of two small-diameter boreholes for a section of the wall to be trenched; drilling small-diameter boreholes at the locations and collecting rock cores during the drilling process; identifying the target hard rock section based on the analysis of the rock cores; blasting explosives at the corresponding borehole depth to create pre-splitting fractures in the hard rock mass between the two small-diameter boreholes; and excavating the hard rock mass with pre-splitting fractures between the two small-diameter boreholes to complete the trenching of the wall section. This application achieves significant optimization of construction economy and operational efficiency while ensuring trenching quality.

The invention relates to the technical field of biological medicines, and discloses hyaluronic acid modified metal coordination albumin nanoparticles as well as a preparation method and application thereof. The hyaluronic acid modified metal coordination albumin nanoparticle comprises a core and a hyaluronic acid shell layer, wherein the core is formed by self-assembly of an albumin-drug compound, poly-L-aspartic acid and ferric ions through coordination, and the hyaluronic acid shell layer is connected to the surface of the core through coordination or adsorption. According to the hyaluronic acid modified metal coordination albumin nanoparticles as well as the preparation method and the application thereof, the preparation method is simple, convenient and rapid, does not need complex covalent modification, is mild in condition and is easy for large-scale production, and the prepared nanoparticles are uniform in particle size, good in stability and high in stability. In addition, due to the fact that the hyaluronic acid is modified on the surface, the active targeting capacity on CD44 receptor high-expression tumor cells is achieved, the enrichment and treatment effects of the medicine on the tumor site are remarkably improved, and the application prospect in preparation of the anti-tumor medicine is wide.

The invention discloses an algorithm library management system supporting visual arrangement of an algorithm model construction process. The algorithm library management system comprises an algorithm component management module, an algorithm component configuration module, an algorithm process arrangement module, an algorithm process operation module and an algorithm process log management module. The algorithm component management module is used for constructing and managing a full-process model algorithm component; the algorithm component configuration module is used for responding to a request of a user for setting specific parameters for each algorithm component in an algorithm model construction process; the algorithm process arrangement module provides a visual arrangement interaction mode, responds to the operation that a user drags algorithm components into a canvas, and connects the algorithm components according to a logic sequence through connecting lines to achieve data communication and transmission between the algorithm components. The algorithm process operation module is used for automatically executing algorithm components and resource scheduling according to the arranged logic sequence and completing execution of the whole algorithm model construction process; according to the method, a developer can construct and manage the algorithm model more efficiently and flexibly.

The invention provides a pipe network flow resistance rapid calculation method based on Modelica, and relates to the technical field of system modeling and simulation. The pipe network flow resistance rapid calculation method based on Modelica comprises the following steps: step 1, flow resistance node decomposition; 2, constructing a characteristic flow resistance unit model; step 3, constructing a flow resistance system model; 4, calibrating and verifying experimental data; and 5, carrying out simulation analysis and application. According to the method, through establishment and accumulation of the characteristic flow resistance unit model library, firstly, characteristic flow resistance unit models can be flexibly constructed by using multiple methods, such as a mechanism model, a mechanism data fusion model and an integrated external model, modeling is carried out on the flow resistance unit in multiple modes, and the modeling modes are flexible and diversified; and meanwhile, the accumulated flow resistance unit model can be reused and applied to multiple objects, the applicability is wider, the calculation efficiency can be greatly improved in the mode that the unified solver is used for generating code operation and the mode is achieved through Modelica language programming, and the calculation efficiency is higher.

The invention relates to a three-dimensional heterogeneous formation water control oil extraction multi-parameter synchronous simulation experiment device which comprises a device body, a plug, a production pipe column and a sensor unit. The device body is of a coaxial multi-layer nested structure, a plurality of independent simulation units are constructed in an internal annular sand filling area through replaceable sieve pore partition plates, and heterogeneous stratum reconstruction of fluid communication and sand body isolation is achieved. The production pipe column adopts a modular water control short section series connection structure, a replaceable fluid sensitive valve and a tracer agent storage cabin are integrated, and performance evaluation and fluid traceability of multiple types of water control tools are achieved; the sensor unit synchronously acquires outlet, wall surface and radial gradient pressure through three-dimensional arrangement of mandrels with various lengths, and realizes multi-dimensional data collaborative analysis in combination with flow and water content monitoring. The problems that an existing device is difficult to restore complex fluid channeling physical characteristics and is single in monitoring dimension are solved, full-process high-fidelity simulation from stratum seepage to tool water control is achieved, and key technical support is provided for water control strategy optimization.

The utility model discloses an engineering building mounting support group belongs to the building engineering technical field, and this support group includes main support, support mechanism and fixed establishment, is equipped with the connecting hole on the main support, and the support mechanism includes the T shape connecting joint of slidable connection in the main support and has the platform subassembly of inclined support, is used for the flexible construction support frame, and the fixed establishment includes the bottom plate of being connected with the bottom of main support and is used for the fixed bolt of fixing bottom plate in the preformed part, and is equipped with the gasket between bottom plate and preformed part. The utility model solves the inconvenient combination of the existing support group, the poor problem of commonality through the modularization's support mechanism, realizes the nimble erection and quick dismounting, and through the fixed establishment of cooperation with the preformed part, solves the defect that the ground uneven leads to the installation instability, has the advantages such as support stability, strong anti -topple ability, high security.

The present invention belongs to the field of full-time domain induced polarization detection, and provides a ground and tunnel joint full-time domain induced polarization advance detection method and system, which obtains geological survey data of the target detection area; determines the layout scheme of the ground and tunnel joint full-time domain induced polarization device based on the acquired geological survey data of the target detection area; obtains actual observation data based on the arranged ground and tunnel joint full-time domain induced polarization device; performs full-time domain induced polarization inversion in combination with the actual observation data, obtains the polarizability, resistivity and relaxation time distribution of the target area in front of the tunnel face, and then obtains the position and morphology information of the water-bearing geological structure. It solves the problems of limited layout of small electrodes in the tunnel space and inconvenient movement of large-volume transmitters.

The utility model discloses a kind of adjustable heating device for composite electric contact material, and heating device includes rack and heating furnace;Partition heating pipe for being used to supply belt material to pass is replaced or alternatively inserted in heating cavity;Partition heating pipe inner cavity is not communicated with heating cavity space, and heating cavity and / or partition heating pipe are separately independently ventilated into protective atmosphere;Composite equipment includes belt material unwinding device, material polishing device, heating device, rolling cooling device, belt material winding device sequentially arranged along the direction of transmission of belt material to be compounded;The application adopts variable protective atmosphere structure of insertable partition heating pipe, flexible construction of heating interval is realized, just replace different types or specifications of partition heating pipe, heating and atmosphere protection adjustment under different materials or process conditions can be satisfied;Not limited to the specific heating source or specific setting of heating furnace, without changing the overall structure of heating furnace, improve the adaptability and flexibility of composite equipment in multi-process scene.

The invention discloses a fence type bank protection slope protection structure and a construction method thereof.The fence type bank protection slope protection structure comprises arrow pile unit modules, the multiple arrow pile unit modules are evenly arranged in the length direction of a river bank at intervals, each arrow pile unit module comprises a pipe barrel, an arrow inserting part and a connector, and the connectors are used for connecting the pipe barrels with the arrow inserting parts; the diameter of the arrow inserting part is gradually reduced from top to bottom, the arrow inserting part is gradually converged into a tip end, and an inner hole of the pipe barrel is communicated with an inner cavity of the arrow inserting part and forms a structural cavity used for injecting filler. The construction difficulty is greatly simplified, the construction cost is reduced, meanwhile, the protection effect can be better improved, firmness and durability are achieved, and the service life is longer.

The present application discloses an assembly structure of a foam steel floor and a steel beam, comprising a foam steel floor, a steel beam, a connecting piece, a first fastener, a base, and a second fastener. A base with threaded holes is welded and fixed to the top surface of the steel beam. The bottom edge of the foam steel floor is overlapped on the top surface of the steel beam. A connecting piece with avoidance holes corresponding to the positions of the threaded holes is stacked on the top surface of the base. The outer periphery of the connecting piece protruding from the base is a pressing portion, which is pressed against the top surface of the foam steel floor. The area where the top surface of the foam steel floor is in contact with the pressing portion is a sedimentation trough. The first fastener penetrates the avoidance hole on the connecting piece and cooperates with the threaded hole of the base. The pressing portion of the connecting piece is fixed to the foam steel floor through the second fastener.

The present invention discloses a template trolley for underground engineering construction and a method for constructing beams and beam columns, and belongs to the technical field of engineering template trolleys. The template trolley includes a trolley frame, and a right template and a left template are arranged side by side on the top of the trolley frame. The right template and the left template are connected to the trolley frame respectively through an adjustment component A and a transverse guide rail. A notch is provided at one end of the bottom mold of the right template, and a card mold installation groove is provided on the inner side of the notch. A card mold is detachably connected in the card mold installation groove. A walking mechanism is provided at the bottom of the trolley frame, and the walking mechanism is installed on the sleeper through a longitudinal guide rail. It can meet the requirements of one-time casting construction of structural columns and top longitudinal beams in sections with structural columns, and meet the requirements of separate construction of top longitudinal beams in sections without structural columns. It can realize assembly line construction, which is helpful to improve construction efficiency. The template trolley has multiple uses and is highly practical, which reduces the manufacturing cost and construction cost of the trolley.

This invention discloses a microfluidic chip and its fabrication method for constructing modular cell cultures, relating to the field of cell culture technology. The chip includes an upper plate and a lower plate. The upper plate includes a first flow channel and a second flow channel, while the lower plate includes multiple spaced-apart culture chambers, each with a different cross-sectional shape. This allows each chamber to be independently formed into cultures of different shapes. The cultures can be stacked and combined after removal to construct a multi-cell co-culture model with functional partitions, significantly improving structural complexity and biomimicry. The upper plate slides to switch the connection between the first and second flow channels and the culture chambers, enabling inoculation and culture modes. During inoculation, cultured cells are injected into the culture chamber through the first flow channel; during culture, the flow channel is switched to perfuse the culture chamber with culture medium, avoiding damage to the culture during residual gel removal. This simple operation improves the success rate and enhances the reliability of experimental results.

The application provides a circuit practical training platform modular construction method and system, wherein by selecting a training module, assembling the training module to a master version to obtain a circuit practical training platform training circuit, setting a telecommunication signal parameter on a control panel according to an experimental scene requirement, obtaining an interface characteristic of each interface, obtaining interface wear data of each interface according to the interface characteristic through an interface wear monitoring model, obtaining characteristic data of a sub-module in the training module, inputting the characteristic data of the sub-module and the interface wear data of each interface into a circuit comprehensive loss evaluation model to obtain circuit practical training platform comprehensive loss data, and performing early warning according to the circuit practical training platform comprehensive loss data. Thus, through monitoring and maintenance of the interface wear, the maintainability of the platform can be improved while the flexibility of the circuit practical training platform is maintained, so that the stability of the circuit practical training platform and the accuracy of the experimental parameters are improved.

The utility model relates to the technical field of fabricated buildings, and particularly discloses a butt-joint formwork for a fabricated wall, a formwork unit and a formwork system.The butt-joint formwork comprises a first formwork body and a second formwork body matched with one end of the first formwork body in a butt joint mode; a butt joint groove is formed in the end, close to the second formwork, of the first formwork, and a butt joint protrusion used in cooperation with the butt joint groove is arranged at the end, close to the first formwork, of the second formwork. According to the utility model, the template I and the template II are matched, so that the templates which can be butted can be randomly adjusted according to use requirements, the construction requirements of walls with different heights can be met, and meanwhile, the templates are shortened, so that the transportation is convenient, and the construction is flexible.

The utility model discloses an ultra-wide and widening PC cable-stayed bridge rear fulcrum hanging basket cross beam walking cantilever beam safety platform which comprises a walkway system arranged at the bottom of a pi-shaped beam body, a plurality of sets of cantilever beams are arranged at the bottom of the walkway system, and the ends of the cantilever beams are used for being in butt joint with longitudinal and transverse beams of a hanging basket system. In the implementation process, the ends of the outrigger are in butt joint and fixed with the longitudinal and transverse beams (lower longitudinal beams) through the two sets of fixing plates and bolts; the longitudinal and transverse beams are I-shaped steel (H-shaped steel), and the two sets of fixing plates wrap the two side faces of the longitudinal and transverse beams. The utility model provides a rear fulcrum hanging basket cross beam walking outrigger safety platform of an ultra-wide and variable-width PC cable-stayed bridge. The cantilever platform is large in working face, convenient and flexible to install and capable of well adapting to construction of the pi-shaped beam; when the hanging basket walks, the rear anchor rod can be directly lowered to the cantilever platform and walks along with the hanging basket, the requirement for a tower crane is lower, and construction is more flexible.

The present invention relates to the field of geotechnical engineering, and specifically to a protective structure and construction method for dangerous rockfall on a high and steep slope of a tunnel, the protective structure comprising a plurality of support columns, a blocking force net and a guide net; the support columns are arranged on the slope above the tunnel opening, and are used to fix the blocking force net and the guide net; the two sides of the blocking force net are fixed on the support columns, and the blocking force net is inclined relative to the horizontal to guide the falling rocks to slide to the outside of the tunnel opening; the bottom side of the blocking force net is connected to the slope; the guide net covers the top side of the blocking force net, and is fixedly connected to the top of the support column and the blocking force net to close the direction of one end of the tunnel opening. The present invention divides the slope surface into a plurality of block-shaped protective sections on the steep slope through the support columns, the blocking force net and the guide net; after the dangerous rock falls in each block, it only acts on the protective structure in the block, and the impact of the dangerous rock falls on the support column and the blocking force net is differentiated, and the protective effect is good, safe and reliable.

The utility model relates to the field of building construction, and discloses a mountain photovoltaic cast-in-place pile rapid pouring module which comprises a connecting pipe, a mounting pipe is slidably connected to the interior of the connecting pipe, a fixing ring is fixedly connected to the bottom end of the mounting pipe, and two buckle mechanisms are fixedly connected to the interior of the fixing ring. The outer portion of the installation pipe is fixedly connected with an installation ring, the outer portion of the installation pipe is fixedly connected with a pulling ring, the outer portion of the installation pipe is fixedly connected with a limiting block, and the outer portion of the installation pipe is fixedly connected with a plurality of positioning mechanisms. According to the pouring device, the buckle mechanism clamps the mounting ring, the bottom end of the mounting ring is attached to the output end of the buckle mechanism, the pouring head can be replaced according to actual requirements, the construction process is more flexible, the pouring device can adapt to different construction environments and requirements, and meanwhile carrying of various different pouring devices is avoided.

The utility model belongs to concrete dam surface heat preservation technical field, concretely relates to a mass concrete dam surface heat preservation device, including dam, the top of dam is provided with counterweight fixing frame, the inside of counterweight fixing frame is provided with the locating band, the outside fixed setting of locating band has the quilt of heat preservation, the quilt of heat preservation is laid on the slope of dam, the inside of counterweight fixing frame still includes the wobble level assembly, wobble level assembly includes the servo motor of setting in the top of counterweight fixing frame, can control the locating band and the quilt of heat preservation in the inside of counterweight fixing frame through the wobble plate structure in wobble level assembly and can carry out the quick wobble on the slope of dam, can wobble the quilt of heat preservation constantly on the slope of dam, can be quickly and closely laid on the slope of dam with the quilt of heat preservation, to avoid the emergence of dam quilt and the gap of slope, simultaneously, need not the staff to use on the slope, reduce the security risk of staff.

This invention provides a diagnostic analysis thought chain management method and system based on human-computer interaction. The method responds to the user's diagnostic scenario selection command, calls a preset thought chain template to construct an initial diagnostic analysis thought chain, and displays it through a visual interactive interface. Based on the user's interactive dynamic adjustment of the initial diagnostic analysis thought chain through the visual interactive interface, an adjusted diagnostic analysis thought chain is obtained. This dynamic adjustment includes dynamic editing of thought chain nodes and associating the required data items of the nodes. Professional content is embedded into the adjusted diagnostic analysis thought chain and a pre-built professional knowledge base to obtain an embedded diagnostic analysis thought chain. Based on the embedded diagnostic analysis thought chain and a prompt word rule base, a prompt word sequence is generated through a pre-trained large model, solving the problems of uncontrollable reasoning processes and strong randomness of results in existing technologies for large model applications in professional fields.

The invention belongs to the technical field of mask photoetching, and particularly relates to a multilayer film multi-photon photoetching method based on photosensitivity difference. According to the invention, the multi-photon absorption effect of femtosecond laser is utilized, and high-resolution photoetching is carried out on a double-layer or multi-layer film at a tightly focused laser focus; through combination of differences of photosensitive characteristics of photoresist materials, accurate control of a multi-layer micro-nano structure is realized in single scanning. Wherein photoetching is carried out by utilizing multiple photoetching schemes such as a two-photon mechanism, a three-photon mechanism and even a multi-photon mechanism, or a mixture of absorption mechanisms of different numbers of photons in each layer, and the like, so that the performance is improved. By utilizing the multi-photon effect of the femtosecond laser and the sensitivity difference of the multi-layer photoresist, the prepared structure has high precision (can be controlled at the magnitude of 10 nanometers to 100 nanometers), the line width, the material, the shape and the like of the structure have independent control capability, and the wide application prospect is shown.

The utility model relates to the technical field of roadbed structures, in particular to a retaining wall type roadbed structure without a bridgehead conical slope. According to the technical scheme, the retaining wall type roadbed structure without the bridgehead conical slope comprises limiting plates, retaining walls, a soil foundation and a mold, the retaining walls are arranged on the two sides of the soil foundation, the limiting plates are installed on the retaining walls, the mold is laid on the portion, between the retaining walls, of the soil foundation through the limiting plates, and the limiting plates are arranged on the limiting plates. And a lime soil layer, a lime cement stabilized macadam soil layer and a cement concrete layer are sequentially filled in the mold. According to the utility model, the strength, the light weight, the flexibility and the construction controllability of the structure are fully considered, so that the structure has excellent engineering performance.