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196 results about "Closed path" patented technology

Safety monitoring method and system for rock slope

The invention relates to the technical field of rock monitoring, in particular to a safety monitoring method and system for a rock slope, which is characterized in that an abnormal focusing area is generated through gradient change and density sudden change judgment, a basic entrance for early risk identification is constructed, the positioning accuracy of a crack sensitive section is enhanced, and the safety of the crack sensitive section is improved. The identification precision and the dynamic intervention capability of the potential risk area of the rock slope are enhanced, the linear features of the boundary response are extracted through the convolutional neural network, the identification and the reconstruction of the crack main extension path are realized, and the method combines the direction sorting and the structure continuity analysis to improve the reliability of the crack main extension path. Closed fitting and stable connection node labeling of a crack path are completed, a traceable structural framework is provided for subsequent trend analysis, dynamic modeling of crack migration evolution is achieved through comparison recognition of a displacement direction and an angle abrupt change point, a closed path grid can be constructed in a crack direction reversal area, and the dynamic modeling of crack migration evolution is achieved. And the dynamic response layout of the crack control structure is realized.
Owner:POLY CHANGDA ENGINEERING CO LTD +1

Automatic calibration method and device for chip testing machine

The invention discloses an automatic calibration method and device for a chip testing machine, and relates to the technical field of chip testing, and the method comprises the steps: forming a four-end-pair closed path through two channels, building a symmetric reciprocal calibration ring, carrying out the zero check, and generating a loop health vector; based on the loop health vector, bidirectional four-quadrant sequencing is performed on the first channel and the second channel, and independent errors of a source chain and a measurement chain are separated to form a channel error map; according to the channel error atlas, slope standard deviation piecewise linearization processing is executed on each measuring range and each frequency point, a middle linear region and nonlinear regions at the two ends are determined, and a sectional calibration table is generated. According to the method, bidirectional four-quadrant sequencing is executed under a healthy loop, and source chain and measurement chain errors are separated, so that an independent error map of each channel is obtained, and error term aliasing in traditional calibration is avoided.
Owner:弘润半导体(苏州)有限公司

Laser drilling method, storage medium, laser drilling equipment and high-frequency high-speed substrate

The invention relates to the technical field of circuit board processing, in particular to a laser drilling method, a storage medium, laser drilling equipment and a high-frequency high-speed substrate. The laser drilling method comprises the steps that hole machining information of a hole structure is obtained, wherein the hole machining information comprises the hole position, the hole outer contour and the hole depth; taking the hole position as a positioning reference, and performing at least one of laser winding and cutting treatment and laser etching treatment on the high-frequency high-speed substrate to form a hole structure; wherein the laser winding and cutting treatment comprises the steps that first laser is controlled to move along a first closed path matched with the outer contour of the hole, so that the side wall of the hole structure is formed; and the laser etching treatment comprises the steps of controlling a second laser to carry out punching processing on an enclosed area of the outer contour of the hole so as to remove a base material in the enclosed area and form a bottom wall of the hole structure, and the method can be used for manufacturing the high-quality hole structure on the high-frequency and high-speed substrate and also can be used for manufacturing the high-quality hole structure on the high-frequency and high-speed substrate. And the processing efficiency of manufacturing a high-quality hole structure on the high-frequency and high-speed substrate can be obviously improved.
Owner:HANS CNC SCI & TECH

Picture label information identification method and system

The embodiment of the invention provides a drawing label information identification method. The method comprises the following steps: acquiring a drawing label range of a drawing; determining a first closed path list based on the drawing frame and the drawing label range of the drawing; determining a closed path to which the graph signature field belongs based on a primitive range of text primitives in the text primitive list and a first closed path in the first closed path list; determining a content value range of the graph signature field based on a first intersection ratio of the subordinate closed path to the graph primitive range and an offset distance between the range center point of the text graph primitive and the subordinate closed path; and obtaining text content values in the content value range according to the content value range.
Owner:TECHNOLOGY (CHENGDU) CO LTD

Grating waveguide device that reduces rainbow artifact, and waveguide system

A grating waveguide device that reduces rainbow artifacts, and a waveguide system. The grating waveguide device comprises a waveguide substrate (2) and a grating structure. The grating structure comprises a first in-coupling grating (3-1) and a first out-coupling grating (4-1), a grating region of the first out-coupling grating (4-1) having a grating line overlapping structure of multiple dimensions; alternatively, the grating structure comprises a second in-coupling grating (3-2), a fold grating (5) and a second out-coupling grating (4-2), a grating line region of the fold grating (5) and a grating line region of the second out-coupling grating (4-2) having an overlapping region. Grating vectors of the grating structure form one and only one closed path in a k-space. When a projected image of an imaging device enters an eye box via the grating structure of the waveguide substrate (2) as a projected light beam, an image displayed by the grating waveguide device is distortion-free and aberration-free compared with the projected image of the imaging device, and diffracted light generated by the diffraction of ambient light via the grating structure does not enter the eye box, such that human eyes cannot observe the rainbow artifact phenomenon in the eye box.
Owner:BEIJING GREATAR TECH CO LTD

Digital pathological image processing method based on OpenSlide and related device

The invention belongs to the field of digital pathological image processing, and discloses an OpenSlide-based digital pathological image processing method and a related device, and the method comprises the steps: obtaining a digital pathological image, calling an OpenSlide library to analyze a pyramid structure of the image to generate a multi-resolution hierarchy, and dynamically calculating a loaded image region based on a slice request instruction input by a user; a double-Canvas rendering mode is adopted, a bottom layer Canvas loads an image area in real time, a labeling layer Canvas independently renders a labeling path, and separation of an image and a label is achieved; and generating a closed path based on the superposed image and the annotation mode, and exporting the annotation data in a general format. According to the method, the user interaction experience is improved, the interface operation is more intuitive, the process is simplified, and the drawing mode switching is convenient; the labeling efficiency is improved, real-time adjustment of complex contours is supported, and the workload is reduced; a data export function is enhanced, effective association of annotation information is realized, and multi-format universality is supported; multi-level support is improved, level switching is smooth, loading is fast, and tool performance and user experience are improved.
Owner:GUANGZHOU UNIVERSITY OF CHINESE MEDICINE

Low-voltage distribution line comprehensive intelligent protection method based on multi-parameter linkage

The invention relates to a low-voltage distribution line comprehensive intelligent protection method based on multi-parameter linkage, and the method comprises the following steps: collecting power distribution abnormal data, calculating a trigger interval, screening segments in a period, generating a sequential segment group, analyzing a serial number difference value to form a continuous path, recognizing rhythm abnormality, and eliminating interference flow. And a time fault is checked to construct a closed chain table, a rhythm stable closed loop structure is screened, and an intelligent protection result is output. According to the method, continuous fragments are constructed based on trigger rhythms and event numbers in abnormal data processing, path continuity is judged through difference values, effective flow directions are recognized, disturbance fragments are eliminated in combination with rhythm comparison, stable closed paths are constructed, and sequences with consistent rhythms and continuous numbers are screened to serve as a judgment basis. Accurate description of an abnormal propagation path and effective tracking of a response rhythm are realized, and identification sensitivity and protection strategy adaptability of a distribution line under multi-source interference are enhanced.
Owner:JINZHOU ELECTRIC POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +1

Mechanical automatic material grabbing equipment and method

The invention provides a mechanical automatic material grabbing device and method, and the method comprises the steps: screening out a plurality of finger tip adjustment parameters of a manipulator end effector through a grabbing space of a target material, and converting all the finger tip adjustment parameters into compliance control parameters of the manipulator end effector in a closing process; based on the contact signal, determining a trend vector when the target material slides relative to the finger tip surface of the end effector of the manipulator, and determining the stability of the end effector of the manipulator in the sliding state of the target material according to the trend vector; dynamically predicting the closed path of the grabbing process through the compliance control parameters and the stability to obtain the grabbing stability deviation of the manipulator end effector; and when the grabbing stability deviation is larger than a preset stability threshold value, the closing speed and the contact pressure of all the finger tips of the mechanical arm are adjusted. By the adoption of the scheme, self-adaptive compliant control of the manipulator based on local features can be achieved in a complex grabbing environment, so that stable carrying of materials in the mechanical automatic grabbing process is guaranteed.
Owner:LISHUI VOCATIONAL & TECHNICAL COLLEGE

Conical capstan rope-driven linear driver

The invention relates to the technical field of driving rope devices, and particularly discloses a conical capstan rope-driven linear driver which comprises a conical capstan, a driving device, a closed-loop rope and a pulley block. The surface of the conical winch is provided with at least one winding groove with the diameter gradually changing in the axial direction. The driving device is used for driving the conical winch to rotate; the closed-loop rope is wound on the winding groove and forms a closed path through the pulley block; and the diameter of the variable-diameter section of the closed-loop rope wound on the winding groove is changed through rotation of the conical winch, so that the length ratio of the first rope section to the second rope section is changed, and the second pulley is driven to do translational motion relative to the first pulley. Bidirectional antagonistic driving and flexible movement of bionic muscles are achieved through synchronous reverse rotation of the conical winches and staggered winding of winding grooves in one side or two sides in combination with the elastic characteristic of a closed-loop rope. The diameter gradient structure enables driving force and stroke parameterization to be adjustable, and a mechanical structure does not need to be reconstructed; the closed path and the multi-circle winding design thoroughly avoid the risk that the rope is loosened and disengaged from the groove.
Owner:JIHUA LAB

Automatic PCB splicing identification method

The invention relates to the technical field of PCB jointed board matching, in particular to an automatic PCB jointed board identification method, which comprises the following steps: acquiring a layer file containing PCB frame information, the frame information comprising coordinates and lengths of line segments forming a frame; taking the origin of coordinates as a starting point, searching a shortest closed path based on the frame information, and forming a first daughter board frame by an area enclosed by the closed path; according to the shape of the frame of the first daughter board, identifying the frames of all the daughter boards in the substrate through a graph matching algorithm; generating position information and rotation angle information of each daughter board relative to the first daughter board based on a matching result; according to the invention, frame layer data is directly processed, manual intervention is eliminated, and matching failure caused by wrong pad selection is avoided; the rotation angle is automatically calculated, any-angle board splicing is supported, and parameters do not need to be predefined; based on frame template matching of geometric features, the calculation amount is reduced, and the trial and error process is avoided; the physical frame structure is preferentially identified, and the problem of matching fault tolerance when the bonding pad is missing or deformed is solved.
Owner:SUZHOU WEIGAN TECH CO LTD

Presentation and control of user interactions with a time-dependent user interface element

In some implementations, a user device may present, on a user interface (UI) associated with a user account, a first UI element. The user device may detect a user interaction, with the user device, indicating the first UI element. The user device may present, on the UI and based on the user interaction, a second UI element, which increases in length in a first direction from a start point, along a closed path around the first UI element and ending at the start point, while the user interaction is being detected. The second UI element completes the closed path when an interaction duration satisfies a duration threshold, which indicates a confirmation of a request for an action associated with the user account. The duration threshold is based on one or more parameters associated with one or more of the action, the user account, or the user interaction.
Owner:CAPITAL ONE SERVICES LLC

Non-closed optical path wavefront segmentation interferometer based on planar optical path design

The invention relates to a quasi-differential wavefront segmentation double-beam interference device with a planar light path structural design, which has the structural characteristic of a non-closed optical path for transmitting a measurement light beam in a one-way manner. Space coherent light of a transverse mode vector filtering mechanism based on the Huygens principle / phased array principle instead of homologous transmission time coherent light is used as each light source, and a non-closed optical path is realized under the cooperation of a one-way transmission mode on a divided measuring light beam. The problem that the sum of the loop wavelength increment or the frequency increment of a closed path interference device is zero is solved, so that the purpose of measuring the first-level effect of anisotropic physical parameters of a measured object in a linear system is achieved, and the device is particularly suitable for immersion type online measurement. The optical elements have stable performance and sound self-adaptive mechanism and self-diagnosis capability through careful layout of the optical elements; and the method also has wide application prospects in basic physical research and novel navigation / positioning systems. The invention also provides a differential wavefront segmentation and semi-transparent and semi-reflective mirror beam combination interferometer device based on the planar light path structure design, and a wavefront segmentation interferometer device based on the planar light path structure design and provided with a pre-crossing area and a bending type one-way-two-way-common mode combination light path structure. The invention relates to a wavefront segmentation interferometer device of a one-way-two-way combined light path structure which is designed based on a planar light path structure and adopts polarization light splitting-beam combination, optical rotation processing of a reference light beam and original path returning, and a use method of an interference device.
Owner:CHONGQING MISEN SCI & TECH

Construction task dispatching method and system based on drawing information recognition

PCT designated stageWO2026144578A1Data miningIndustrial engineering
A construction task dispatching method and system based on drawing information recognition. The method comprises: acquiring a drawing to be recognized; recognizing a plurality of closed paths in the drawing; on the basis of positional relationships among the plurality of closed paths, determining a drawing frame of the drawing; on the basis of the drawing frame of the drawing and a title block range of the drawing, determining title block information; on the basis of the title block information, determining a recognition result of a target object in the drawing; and on the basis of the recognition result of the target object, performing construction task dispatching.
Owner:YIZHI TECH (CHENGDU) CO LTD

Cooling device for a forklift truck, counterweight for a cooling device, method for manufacturing a counterweight and forklift truck with a cooling device

A cooling device (5) for a forklift truck (1) is shown and described, wherein the cooling device (5) defines a closed cavity extending along a closed path and along which a cooling medium can be moved, and wherein the cooling device (5) includes a counterweight (3) of the forklift truck (1), the counterweight (3) defining a cavity section of the closed cavity. Furthermore, a counterweight (3) for a cooling device (5), a method for manufacturing a counterweight (3), and a forklift truck (1) are shown and described.
Owner:ZF FRIEDRICHSHAFEN AG

Filling method, filling line and filling kit for filling containers with viscous fluids, particularly for filling batteries with electrolyte

PendingUS20260254074A1Production lineElectrical battery
The invention relates to a filling method and a filling line wherein a plurality of filling units, each one being suitable to contain the volume of fluid necessary to fill a respective container C, are recirculated in the filling line along a closed path P2, along a portion of which they are temporarily integral with respective containers C and fill them autonomously at a buffer station, in a longer time than that necessary for filling the same volume of fluid into said filling units which, therefore, can be filled at the normal production speed of the line at a filling station separate from the buffer station. Downstream of the buffer station, the emptied filling units are separated from the respective filled container C and are filled with a new volume of fluid, in order to autonomously transfer it to another, respective container C at the buffer station.
Owner:IMA IND MASCH AUTOMATICHE SPA

Baby sling

There is provided a baby carrier comprising: a waistband capable of being stably secured to a user's waist, defining, in use, a closed path formed along a trajectory located on a transverse plane, and comprising a shoulder strap defining a surface formed perpendicular to the transverse plane along the trajectory; a support device comprising at least one rigid panel formed along a support plane; and a fastening device that fastens the waistband and the support device to each other in such a way that the panel can rotate relative to the shoulder strap about an axis of rotation formed along a portion of the trajectory defining at least a stable closed configuration in which the panel is in contact with the shoulder strap, and a stable maximally open configuration in which the panel is in contact with the shoulder strap. The panel has a stable, maximally open configuration in which the planes are substantially parallel to each other and / or the panel is closer to the shoulder strap, and a stable, maximally open configuration in which the planes are perpendicular to each other and the panel is farther from the shoulder strap, thereby defining a maximum angle of rotation between the planes about the axis of rotation.
Owner:HUSTLE SRL

Interconnectable conduit components

Certain aspects of the disclosure provide a modular conduit assembly, comprising: a plurality of straight conduit segments; one or more corner conduit segments, each comprising a bend of a predetermined angle; and a plurality of joint connectors configured to interconnect the straight conduit segments and the one or more corner conduit segments to form an enclosed pathway for routing one or more cables or wires.
Owner:YOLDA WORKS LLC

Magnetic core with hard ferromagnetic biasing layers and structures containing same

A planar magnetic core includes multiple ferromagnetic layers including multiple hard ferromagnetic bias layers and multiple soft ferromagnetic layers. Each ferromagnetic layer comprises a soft ferromagnetic layer or a hard ferromagnetic bias layer. Each hard ferromagnetic bias layer is a neighboring ferromagnetic layer of at least one soft ferromagnetic layer. The planar magnetic core also includes a plurality of insulating layers, each insulating layer disposed between adjacent ferromagnetic layers. Each ferromagnetic layer has an easy axis of magnetization parallel to a principal plane of the planar magnetic core, where the easy axes of magnetization are aligned. Each hard ferromagnetic bias layer is magnetized to create an in-plane bias magnetic flux through the hard ferromagnetic bias layer in a first direction that is parallel to the easy axis of magnetization and forms a closed path through a neighboring soft ferromagnetic layer in a second direction parallel to the first direction.
Owner:FERRIC INC

Thermal filler particle, thermally conductive composition, and assembly including the same

A shaped thermal filler particle has an elongate shape defined by a substantially planar first smooth surface and a second smooth surface that contacts the substantially planar first smooth surface along a planar closed path. The planar closed path has a length to width ratio of at least 1.5. The shaped thermal filler particle has a maximum linear dimension normal to the planar first smooth surface that is less than or equal to one half of the length of the closed path. A thermally conductive composition comprises from 1 to 95 percent by volume of the shaped thermal filler particles dispersed in a binder. An assembly comprises a heat source, a heat sink, and the thermally conductive composition at least partially sandwiched between the heat source and the heat sink.
Owner:3M INNOVATIVE PROPERTIES CO

Device for processing, filling and / or labeling hollow bodies and control therefor and method therewith

The invention relates to a device for processing, filling, and / or labeling hollow bodies, in particular preforms or containers, with a collision avoidance mode (84). The device comprises a conveyor line (33) for conveying the hollow bodies in a conveying direction (20) and a plurality of transport devices (30) arranged successively along the conveyor line (33) in the conveying direction (20). Several or all of the transport devices (30) comprise a conveyor section (34), in particular a conveyor wheel (36), at least one receptacle (38) arranged on the conveyor section (34) for transporting a hollow body along a portion of the conveyor line (33), and an electric drive (43) associated with the conveyor section (34) for moving the conveyor section (34) such that the receptacle (38) travels along a closed path, in particular a circular path (40).is moved. The device further comprises a controller (56) for controlling angles of rotation of the drives (43), wherein at least one pair of mutually associated transport devices (30) following one another in the conveying direction (20) can be defined in the controller (56), and one of the two conveyor sections (34) can be defined in the controller (56) for the pair as the lead conveyor section (52) and the other of the two conveyor sections (34) of the pair as the follower conveyor section (54), wherein for each position of the lead conveyor section (52) of the pair, permitted position ranges (66) and / or prohibited position ranges (68) for the follower conveyor section (54) of the pair can be stored in the controller (56), and the controller (56) is configured to control the drives (43) in a collision avoidance mode (84) such that the follower conveyor section (54) leaves its prohibited position range (68) and enters its permitted position range (66). entry,does not enter its prohibited position area (68) and / or remains in its permitted position area (66). , The invention further relates to a method for operating a device, a controller (56) for a device and a computer program product for a device.
Owner:KHS GMBH

Aluminum material welding end cleaning equipment

The invention relates to cleaning equipment, in particular to aluminum material welding end cleaning equipment. The aluminum material welding end cleaning equipment comprises a conveying device, a cleaning device, a lifting device and a control device, a plurality of fixing clamps used for containing products are arranged on the conveying device, the conveying device is used for enabling the fixing clamps to circularly move along a closed path, the products are provided with ends, the cleaning device comprises a cleaning tank, and the lifting device is used for lifting the cleaning tank. The lifting device is used for enabling the cleaning tank and the fixing clamp to move relatively in the height direction of the aluminum material welding end cleaning equipment so that the end can enter or exit from the cleaning tank, and the control device is used for controlling starting and stopping of the lifting device and the conveying device. Only the end of the product enters the cleaning tank to be cleaned, and the cleaning tank can be very small, so that the use amount of medicaments and clean water can be remarkably reduced.
Owner:FUJIAN FUYAO AUTOMOTIVE TRIM SYST CO LTD

Numerical control identification ruling machine

The numerical control identification ruling machine comprises a conveying frame, a visual identification assembly and a ruling assembly, the visual identification assembly and the ruling assembly are arranged on the conveying frame, a circulating conveying pressing net is arranged above the conveying frame, the circulating conveying pressing net forms an annular closed path, and an activity space is defined in the circulating conveying pressing net; the scribing assembly is fixed to the conveying frame and located in the movable space. A conveying channel used for conveying shoe materials is defined between the lower net face of the circulating conveying pressing net and the conveying belt of the conveying frame. The circulating conveying pressing net and the conveying belt of the conveying frame operate synchronously. Through the synchronous operation of the circulating conveying pressing net and the conveying belt and the design of the light-transmitting net structure, the non-stop continuous conveying of shoe materials in the conveying channel is realized, and the mechanical vacancy time caused by shutdown pressing net and static scribing of traditional equipment is thoroughly eliminated.
Owner:ZHEJIANG YINXIANG ELECTROMECHANICAL CO LTD

Mahjong tile storage assembly of mahjong machine and mahjong machine

The invention discloses a mahjong machine tile storage assembly and a mahjong machine, the tile storage assembly comprises a tile storage base, a closed or non-closed path is formed on the tile storage base, and a bottom support is arranged on the path; a card inlet and a card outlet which are located in different positions of the path are further formed in the card storage base, the bottom support located between the card inlet and the card outlet is used for storing cards, and the bottom support is driven by the driving unit to move between the card inlet and the card outlet along the path. A path extends out of the tile storage channel, when the bottom support moves along the path, the moving bottom support can take away tile piers one by one, the tile piers are prevented from being stacked at the tile inlet, and the tile pushing pressure of an upstream stacking and pushing assembly is relieved; the tile piers and the bottom support are basically in a relatively static state, so that the movement of the bottom support is not influenced no matter the mahjong tiles are clean or stained, and resistance is not additionally increased; during mahjong tile feeding, the moving bottom support can apply thrust to the mahjong tile queue from the bottom, and mahjong tile feeding resistance of the mahjong tile feeding assembly can be reduced.
Owner:HANGZHOU TIANJI TECHNOLOGY CO LTD

Association device, control device, quantum annealing system, association method, control method, and recording medium

PCT designated stageWO2025203226A1Quantum computersPathPingComputational physics
This association device comprises an association means for: respectively associating two three-node closed paths, which share one edge in a graph configured by using nodes and edges, with two four-body couplers which share two quantum bit devices and in which one quantum bit device among the two shared quantum bit devices is a fixed bit; associating the edge shared by the two three-node closed paths with a quantum bit device other than the fixed bit among the quantum bit devices shared by the two four-body couplers; and associating an edge other than the edge shared by the two three-node closed paths among edges of the two three-node closed paths with a quantum bit device other than the quantum bit devices shared by the two four-body couplers among quantum bit devices coupled by the four-body couplers respectively associated with the closed paths.
Owner:NEC CORP

Rubber cushioning layer anti-collision door and window guard

ActiveCN224396362USolve CatonSolve the problem of unable to closeSpecial door/window arrangementsStructural engineeringClosed path
The utility model relates to door and window edge protection technology field provides a kind of rubber buffer layer anti-collision door and window edge protection, including edge protection, the edge protection one side is equipped with the embedded groove, the edge protection one side is equipped with magnetic attraction switching component;The magnetic attraction switching component includes the recess that is equipped in the embedded groove one side, the recess is bonded with first magnetic attraction piece;The magnetic attraction switching component further includes the guide groove that is equipped in the edge protection one side, the guide groove inner wall is bonded with guide gasket, the guide gasket inner wall smooth transition, the beneficial effects of the utility model are: when door and window are closed, the progressive guidance of guide block and guide groove,guide gasket makes second magnetic attraction piece and third magnetic attraction piece adsorb, and the edge protection is transferred to the fixed side of window frame, so that the edge protection is separated from the closed path of door and window corner, avoid entering the closed gap of door and window fan and window frame, solve the problem of jam or unable to close caused by occupying closed space due to complete cladding structure.
Owner:ANHUI NENGNIU DOOR & WINDOW TECH CO LTD

Adsorbent transfer-free continuous water treatment device

The utility model discloses an adsorbent transfer-free continuous water treatment device which comprises a rack, and at least one adsorbent loading structure for loading an adsorbent is movably arranged on the rack. The adsorbent loading structure moves on a closed path for water treatment with the adsorbent therein and returns to the starting point together with the adsorbent after water treatment is completed. According to the utility model, the adsorbent is fixedly loaded in the adsorbent loading mechanism, and the adsorbent loading mechanism runs on the closed route, so that the adsorbent loading mechanism not only can drive the adsorbent to move for water treatment, but also can convey the adsorbent back to the starting point of the closed route after a set of water treatment process is completed by the adsorbent; the system can be immediately put into the next round of water treatment flow; in the process, the adsorbent is always kept in the adsorbent loading mechanism and does not need to be transferred, so that zero loss of the adsorbent can be realized.
Owner:XINING YONGZHENG LITHIUM IND CO LTD

Spaceflight seamless corrugated pipe forming equipment

The invention discloses aerospace seamless corrugated pipe forming equipment. The aerospace seamless corrugated pipe forming equipment comprises a shell and a plurality of groups of forming modules, the shell is provided with a feeding port and a discharging port. The forming die set comprises a first half die and a second half die. A driving mechanism is arranged in the shell, and the first half mold and the second half mold of any group of forming modules are detachably and fixedly mounted on the driving mechanism through connecting assemblies respectively; the driving mechanism drives the plurality of first half dies to circularly move clockwise on one closed path and drives the plurality of second half dies to circularly move anticlockwise on the other closed path, so that the plurality of first half dies and the plurality of second half dies are simultaneously closed between the two closed paths to form an extrusion channel; a polishing assembly in transmission connection with the driving mechanism is fixedly arranged on the outer side of the discharging opening. The forming equipment is good in forming effect, the mold is fast and convenient to replace, and the production efficiency is improved.
Owner:TIANJIN CHENGLI AVIATION TECH CO LTD

Linear TMR sensor based on annular free layer

The invention provides a TMR sensor based on an annular free layer. Belongs to the technical field of sensors, and comprises a reference layer, a barrier layer and an annular free layer, and by constructing a topologically constrained annular magnetic domain structure, controllable deflection of the magnetic moment of the free layer under the action of an external magnetic field and accurate relative orientation with the reference layer are realized, so that the linear response performance of a magnetic tunnel junction (MTJ) is improved. The effective anisotropic field is reduced by adjusting geometric parameters (such as width-to-thickness ratio and internal and external diameter ratio) of the annular free layer, and the expansion of a linear response interval is realized; meanwhile, the annular structure forms a magnetization closed path, so that demagnetization factors and stray fields are effectively reduced, and the sensitivity and the anti-interference capability are improved. The sensor is prepared by combining magnetron sputtering with a micro-nano patterning process, and magnetic anisotropy is enhanced through magnetic annealing treatment. The sensor is simple in structure, excellent in performance and suitable for high-precision magnetic field detection scenes.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD +1

Natural caving method rock mass spatio-temporal evolution simulation method

The invention relates to the technical field of analogue simulation, in particular to a natural caving method rock mass spatio-temporal evolution simulation method, which comprises the following steps of: extracting a joint surface trend and an intersection point, screening a closed path line, analyzing a deformation rate difference direction, comparing a slippage direction and a contact direction to extract a dominant node, and judging that an intersection area forms an extension boundary. And integrating the slip line segment time sequence to generate a natural caving method rock mass spatio-temporal evolution result. According to the method, a closed path line is constructed through a joint surface trend and an intersection relationship, the complete expression of a structure configuration is enhanced, a continuous change area is identified in combination with the time continuity of a deformation rate difference direction, the dynamic tracking capability of a deformation trend is improved, and a dominant node group is extracted based on a slip and contact direction difference; and recombining and extending the boundary by using path intersection distribution, and integrating the time sequence and the displacement direction of the slippage line segment to construct a trajectory chain, thereby realizing fine reconstruction of the structure configuration, accurate capture of trend change and continuous expression of an evolution trajectory.
Owner:INFORMATION RES INST OF EMERGENCY MANAGEMENT DEPT