51results about How to "Enhanced coupling" patented technology

The invention relates to a vibration excitation method and system based on impedance identification, and the method comprises the steps: carrying out the frequency domain conversion of force-speed data obtained by a displacement closed-loop system, and obtaining the mechanical impedance of a drive point; performing flexibility compensation on the mechanical impedance of the driving point to obtain the real impedance of the structure end; extracting an imaginary part and constructing a matching residual error by using the real impedance of the structure end, correcting the excitation frequency of the current vibration exciter through gradient frequency, and iteratively determining the optimal excitation frequency of the vibration exciter meeting a convergence condition; mechanical active power generated by the vibration exciter is calculated under the optimal excitation frequency, dual-target optimization is carried out on the amplitude of the vibration exciter, and the optimal amplitude with the maximum mechanical active power and the minimum equivalent output of the actuator is obtained; based on the real impedance of the structure end, the matching criterion and the optimal amplitude, variable parameters are introduced to construct a source-side impedance model, a source-side impedance matching frequency domain interval is expanded through slow time mark setting parameters, and mechanical active power generated by a vibration exciter is coupled to a tested structure.

The invention relates to the technical field of nano materials and biomedical engineering, and discloses a dye-sensitized rare earth up-conversion luminescent nano material as well as a preparation method and application thereof. The dye-sensitized rare earth up-conversion luminescent nano-material comprises a rare earth doped up-conversion nano-particle core, an unsaturated fatty acid salt self-assembled shell layer and a near-infrared dye modified on the surface of the rare earth doped up-conversion nano-particle. The unsaturated fatty acid salt coating layer endows the material with excellent water dispersibility through a hydrophilic group; a hydrophobic chain segment and an unsaturated double bond can effectively block water and oxygen permeation and quench singlet oxygen, so that the photobleaching half-life period of the material is increased by 86.7 times or more compared with that of a conventional coating material, and the light stability is excellent; the material successfully realizes efficient up-conversion luminescence under excitation of a low-power near-infrared light emitting diode (NIR LED, the power density of which can be as low as 100mW / cm < 2 >), and thoroughly gets rid of dependence on a high-cost and high-risk laser.

The application provides a node device anti-theft device for hard ground coupling, which comprises a connecting main plate, a first side of the connecting main plate is used for being fixed to a hard ground, and a coupling interface is arranged on a second side of the connecting main plate, which is opposite to the first side; a node device is fixed on the connecting main plate through the coupling interface; wherein the first side of the connecting main plate is matched with the ground shape of the hard ground to realize the fixing and coupling between the node device and the hard ground. Through the device, the eSeis node device can be stably and effectively coupled with the hard ground in a complex environment, and the loss of the device can be effectively prevented.

The invention relates to the technical field of multi-source data processing, in particular to a multi-source data coupling system and method, and the method comprises the steps: obtaining original monitoring data of a target region from a plurality of data sources, carrying out the quality evaluation of the data of each data source, and generating a quality score; establishing a data source contribution degree dynamic weight distribution model by combining geological activity stage parameters, calculating a real-time dynamic contribution weight of each data source, and performing weighted fusion on original data; introducing geological priori knowledge to perform adaptive feature screening on the fused data, retaining key features, and performing collaborative analysis on the key features and the geological priori knowledge to obtain a geological state coupling result; and constructing a closed-loop optimization mechanism, calibrating a data quality score by using a coupling result, and updating a weight model for fusion in the next period. The method can adapt to dynamic changes of geological activities, improve reliability of fused data, realize adaptive coupling optimization of multi-source monitoring data, and adapt to complex geological monitoring scenes.

This invention belongs to the field of membrane separation technology, specifically relating to a method for preparing a polytetrafluoroethylene (PTFE) composite membrane. The preparation method includes: (1) dissolving a spinning aid, a barium source, a titanium source, and a manganese source in a composite solvent, and then electrospinning to obtain precursor fibers; subsequently, blending the precursor fibers with a grain refiner, and heat-treating to obtain doped ferroelectric fiber bundles; (2) further polymerizing organic acids, inorganic acids, conductive fillers, and conductive polymers with monomers and oxidants to finally obtain a conductive polyaniline composite; (3) incorporating Mxene and the conductive polyaniline composite into an aqueous PTFE emulsion, and then further incorporating the doped ferroelectric fiber bundles and stirring to obtain a suspension; the suspension is then coated, post-treated, and kept warm to obtain a PTFE composite membrane. This invention improves the long-term fouling resistance of the PTFE membrane by doping the doped ferroelectric fiber bundles, the conductive polyaniline composite, Mxene, and PTFE.

This invention belongs to the field of geotechnical engineering safety monitoring technology, and discloses a distributed flexible intelligent monitoring device, method, and system for geological disasters in soil and rock. It includes a monitoring unit and a coupling unit outside the monitoring unit. The monitoring unit comprises, from bottom to top, a base layer, a flexible conductive layer, a brittle conductive layer, and a circuit layer. The flexible conductive layer includes a first flexible substrate, a one-dimensional conductive material, and a two-dimensional conductive filler. The brittle conductive layer uses a conductive material with high intrinsic stiffness. The circuit layer includes a second flexible substrate on which multiple measuring electrodes are arranged. Some measuring electrodes are connected to the flexible conductive layer, and some are connected to the brittle conductive layer. The brittle conductive layer and the flexible conductive layer are connected in parallel. This invention employs a rigid-flexible coupled double-layer conductive structure. The brittle conductive layer can capture the initiation of micro-cracks in soil and rock, thus improving the sensitivity of the monitoring unit. The coupling unit enhances the coupling between the monitoring device and the soil and rock, thereby improving monitoring accuracy.

The application discloses a broadband circularly polarized magnetoelectric dipole antenna, which comprises a dielectric plate, four magnetoelectric dipole units, a reflector, a feed structure and a feed network. The flowing path of the radiation current is improved by opening a rectangular slot on the electric dipole and a rectangular slot and an n-shaped slot on the magnetic dipole, and the impedance bandwidth is widened. The signal can be coupled to the radiator by adopting a Γ-shaped feed structure, and the orthogonal cross feed is realized through the feed network composed of three-dimensional parallel coupling lines. The antenna has a simple and compact structure, the reflection coefficient is less than -10 dB within 2.81-9.13 GHz, the relative bandwidth reaches 105%, the 3dB axial ratio bandwidth reaches 103%, and the antenna has good directivity and high gain within the entire impedance bandwidth range. Meanwhile, the antenna can be applied to the fields of wireless communication, radar system, satellite communication and the like to meet the communication requirements in different scenes.

The utility model discloses a water flow homogenization module, include: coupling seat is equipped with first containing cavity in, install the light -transmitting spare in first containing cavity, homogenization module, homogenization module installs in first containing cavity with interval arrangement with light -transmitting spare, water flow homogenization chamber, water flow homogenization chamber is located between light -transmitting spare with homogenization module, water flow homogenization chamber includes the convergence cavity of periphery and the gentle cavity of the middle area. Through the structure improvement of water flow homogenization chamber, can inhibit strong turbulence, promote water flow homogenization effect, and then make water column and laser beam can reach better coupling state.

The disclosure relates to a bioactive molecule conjugate, preparation methods and use thereof, particularly relates to a novel bioactive molecule conjugate obtained by improving coupling of the drug and the targeting moiety in an ADC or SMDC, as well as its preparation method and use in the manufacture of a medicament for the treatment of a disease associated with an abnormal cell activity.

An apparatus includes a vacuum chamber configured to create a substantially atmospheric vacuum environment for plasma processing; a radio frequency (RF) power source external to the vacuum chamber; an RF matching network operably coupled to the RF power source; and a plurality of electrodes mounted within the vacuum chamber, the plurality of electrodes configured to receive an RF power signal from an RF power source through the RF matching network. During sputtering operation, RF power signals are simultaneously delivered to the plurality of electrodes. The plurality of electrodes and the set of electrical components are operable to manage inductive and capacitive reactance for coupling RF power signals to provide more desirable plasma coupling during sputtering operations.

The invention relates to an optical microcavity with an on-chip support and a packaging method thereof.The optical microcavity with the on-chip support comprises a substrate, an optical microcavity body and an on-chip fork supporting structure, the forked end of the on-chip fork supporting structure comprises two prong structures, the tail ends of the prong structures face the optical microcavity body, and the prong structures are arranged on the substrate. And the roots of the fork tooth structures are combined into a single-beam structure which is fixedly supported on the substrate. On-chip supporting in the optical microcavity packaging process can be achieved, the coupling stability is obviously higher than that of an optical microcavity sample without on-chip supporting, and the influence of curing of ultraviolet curing glue on coupling loss is greatly reduced.

The present invention relates to an arrangement system (1) for guiding a movable furniture component (2) on a fixed furniture component (3), the fixed furniture component preferably being a furniture body, and the movable furniture component preferably being a sliding door or a folding sliding door. The arrangement system comprises: at least one guiding system (4, 5) to be fixed on the fixed furniture component (3); a carrier (6) on which the movable furniture component (2) is pivotally mounted or can be pivotally mounted; a compensation device (7) for compensating for tilting moments of the carrier (6) or the movable furniture component (2) arranged on the carrier about a tilting axis via restoring torque, the compensation device (7) including at least one cable traction device (8) having at least one cable (8a); and a cable tensioning device (9) for tensioning the at least one cable (8a), the cable tensioning device (9) including a display device (10) for displaying cable tension.

This invention relates to the field of tunnel advanced geological exploration technology, and in particular to an excitation polarization detection electrode, electrode system, and deployment method applied to TBMs. The excitation polarization detection electrode includes an electrode rod, an electrode head, and a magnetic coupling seat. The electrode head is detachably and fixedly connected to the front end of the electrode rod, and the magnetic coupling seat is sleeved on the outside of the electrode rod. The portable detection electrode is deployed through the tool holes of a matching TBM cutterhead, and the magnetic coupling seat is adsorbed and fixed to the platform of the tool hole. The electrode of this invention is coupled to the tunnel face through the tool holes, eliminating the need for custom drilling and pre-reserved electrode installation positions on the cutterhead, thus reducing the impact on the cutterhead structure and strength. The large number of tool holes allows for flexible electrode arrangement, adapting to various different arrangements and observation methods. Compared to the single position and arrangement of hydraulic cylinder electrodes, this invention can obtain richer detection data and greatly improve detection accuracy.

This utility model discloses an antenna structure, antenna device, and electronic device, including a main body and two feed sections respectively connected to the main body; the two feed sections are intertwined to increase the inductance of the antenna structure. The antenna structure is formed by the main body and the two feed sections, and the ends of the two feed sections furthest from the main body are intertwined to make the two feed sections closer together, thereby increasing the coupling degree of the antenna structure and thus improving the inductance of the antenna structure.

The invention belongs to the technical field of photoelectrocatalysis and environmental governance, and particularly relates to a zinc cadmium sulfide / titanium dioxide composite material, a preparation method thereof and application of the zinc cadmium sulfide / titanium dioxide composite material as a composite photoanode in hydrogen sulfide photoelectrocatalytic decomposition. The zinc cadmium sulfide / titanium dioxide composite material provided by the invention comprises an anatase phase TiO2 nanotube array arranged on the surface of a conductive substrate; and the CdZnS nano-particles are deposited on the anatase phase TiO2 nano-tube array. The zinc cadmium sulfide / titanium dioxide composite material provided by the invention is applied to hydrogen sulfide photoelectrocatalytic decomposition as a composite photo-anode, has high catalytic activity, high stability and high product selectivity, realizes synchronous H2 generation and H2S detoxification, and does not need complex separation steps. According to the invention, a novel material design strategy is provided for a high-performance PEC-H2S conversion system, and a technical insight is provided for green resource utilization of sulfide pollutants.

The disclosure relates to a bioactive molecule conjugate, preparation methods and use thereof, particularly relates to a novel bioactive molecule conjugate obtained by improving coupling of the drug and the targeting moiety in an ADC or SMDC, as well as its preparation method and use in the manufacture of a medicament for the treatment of a disease associated with an abnormal cell activity.

A bus bar assembly installed in a frame for fixing a plurality of stacked battery cells is provided. The bus bar assembly may include: a bus bar fixed to the frame; a flexible printed circuit board electrically connected to the bus bar and configured to sense the plurality of battery cells; and a connection terminal having a protrusion formed on one surface of the connection terminal, is the protrusion being configured to pass through the flexible printed circuit board so as to be electrically connected to the flexible printed circuit board, and the connection terminal configured to be electrically connected to the bus bar through the opposite surface of the one surface, the opposite surface being bonded to the bus bar.

This invention relates to the field of connector technology and discloses a self-coupling connector, including a main connector. A lower housing is fixedly disposed on one side of the main connector, and an upper housing is disposed at the upper end of the lower housing. Four sets of first bolts are threadedly connected to the upper and lower housings around their perimeters. A mating pin is fixedly disposed inside the main connector. A positioning component is disposed inside the lower and upper housings, and a shielding component is disposed inside the lower and upper housings near the positioning component. The positioning component includes a mating cavity formed in the lower and upper housings, and a sleeve is fixedly disposed on one inner wall of the mating cavity. The self-coupling connector of this invention, through overall cooperation, allows the locking block to automatically engage inside the slot and shield the mating pin end face in the sleeve, preventing contamination when not mated.

The invention provides a three-terminal laminated solar cell based on a silicon nanowire structure, and relates to the technical field of solar cells. A first electrode layer is arranged in the perovskite top cell in the direction facing the incident light, a second electrode layer and a third electrode layer are arranged in the crystalline silicon bottom cell in the direction deviating from the incident light, and a plurality of nanowire structures are arranged on one side, facing the incident light, of an N-type silicon absorption layer at intervals. The nanowire structure can enhance coupling and propagation of long-wave photons to the N-type silicon absorption layer through a waveguide effect and a light field modulation effect, and the nanowire structure presents a sub-wavelength optical characteristic, so that an anti-reflection effect in a wide spectrum range is realized, and the absorption efficiency of the crystal silicon bottom cell on the long-wave photons is improved. In addition, by arranging a three-electrode structure, the overall energy output performance of the battery is improved.

This invention discloses a gallium-lanthanum co-modified cobalt-iron bimetallic catalyst, its preparation method, and its application, comprising the following steps: S1. A mixed metal salt solution and a precipitant solution are added dropwise to a reactor in a co-current manner to react and obtain a solution containing a precipitate; the mixed metal salt solution contains soluble salts of cobalt, iron, gallium, and lanthanum; S2. The precipitate is aged, then separated, washed, dried, and finally calcined to obtain the gallium-lanthanum co-modified cobalt-iron bimetallic catalyst. This invention optimizes the electronic structure, surface adsorption sites, and oxygen vacancy concentration through Ga / La dual-auxiliary modification, increases CO non-dissociative adsorption sites, inhibits the formation of byproducts such as carbon dioxide and methane, strengthens C-C coupling and carbon chain growth, and significantly improves catalytic activity and C... 2+ Alcohol selectivity, higher alcohol yield, and catalytic stability.

The invention discloses a green light Micro-LED epitaxial structure and a preparation method thereof, and relates to the technical field of semiconductor devices. A multi-quantum well light-emitting layer in the epitaxial structure comprises an N-polarity blue light multi-quantum well layer, an N-polarity green light multi-quantum well layer, a Ga-polarity green light multi-quantum well layer and an N-polarity blue light end quantum well layer which are stacked in sequence. The N-polarity blue light multi-quantum well layer, the N-polarity green light multi-quantum well layer and the N-polarity blue light end quantum well layer each comprise an N-polarity well front gradient InGaN layer, an N-polarity quantum well InGaN layer, an N-polarity well rear gradient InGaN layer and an N-polarity quantum barrier GaN layer which are sequentially, periodically and alternately stacked. The Ga polarity green light multi-quantum well layer comprises a Ga polarity well front carrier binding layer, a Ga polarity light-emitting quantum well InGaN layer, a Ga polarity well rear carrier binding layer and a Ga polarity quantum barrier GaN layer which are sequentially, periodically and alternately stacked. According to the invention, the radiation recombination efficiency of the active region under the low working current density can be improved, and the lighting effect of the Micro-LED chip under the low working current density is further improved.

The application discloses a cold atom gravity measurement system and method based on a planar magnetic well and a mirror surface atom chip. In view of the deficiencies of the existing reflection type atom chip in the aspects of integration, energy consumption and atom control efficiency, the application introduces a planar magnetic well and a mirror surface atom chip, effectively reduces the system manufacturing cost, improves the space utilization efficiency, optimizes the chip energy consumption structure, and significantly enhances the efficiency and purity of atom capture. The system has significant advantages in the aspects of atom control performance and integrated design, specifically, high-efficiency atom cooling and capturing capacity, low power consumption, low noise, good detection and coupling characteristics, and excellent scalability, and provides a high-precision solution with a more compact structure, more stable performance and suitability for practical application for cold atom gravity measurement.

A method, system, equipment, and medium for curve decomposition of inter-provincial agreement electricity volume are disclosed. The decomposition method includes: obtaining the monthly electricity volume of each inter-provincial intergovernmental agreement; establishing and solving a centralized optimization model for monthly electricity volume decomposition, with the constraint that the total monthly electricity volume before and after decomposition of each inter-provincial intergovernmental agreement remains unchanged, to obtain the daily electricity volume of each inter-provincial intergovernmental agreement under a fixed trading path; establishing and solving a centralized optimization model for daily electricity volume decomposition, with the constraint that the total daily electricity volume before and after decomposition of each inter-provincial intergovernmental agreement remains unchanged, to obtain the time-period electricity of each inter-provincial intergovernmental agreement under a fixed trading path; and establishing and solving a centralized optimization model for multiple ultra-high voltage (UHV) channels, with the objective function of maximizing the total daily transaction volume, to obtain the time-period electricity value of each purchase and sale pair on a feasible trading path under a coordinated trading path optimization approach. This invention can optimize the utilization rate of UHV channels, improve the feasibility of curve decomposition, reduce overall electricity costs, and increase total transaction volume.

The invention provides a transcranial electrical stimulation ROI (Region of Interest) selection method and system based on precise three-dimensional Mask. The core concept of the transcranial electrical stimulation ROI selection method and system is to introduce an automatic and mathematically rigorous'translator '. The translator takes a medical image mask as input, and outputs a simulation-ready geometric model through a series of deterministic geometric processing and coordinate transformation steps. The method is not only automation of the process, but also fundamental transformation is carried out on the data representation form of the ROI, so that the ROI is upgraded from a discrete voxel set to a continuous and computable geometric entity, and the data gap is directly bridged.

A video game controller can include a body with a top surface and a bottom surface, multiple control inputs (e.g., thumbsticks, directional pads, buttons), and a face plate removably coupleable to the body over the top surface so that the plurality of control inputs extend through the face plate. One or more of the multiple control inputs are removable and replaceable without the use of tools by decoupling the face plate from the body and decoupling the control input from the body without disassembling the body.

The application relates to a geophone inserter, a geophone burying device and a method, the geophone inserter comprising a horizontal rod (1), a vertical rod (2), a geophone bin (3), a water spraying part (4) and a push rod part (5), the horizontal rod (1) being connected with the vertical rod (2) and the push rod part (5); the upper part of the vertical rod (2) is connected with the horizontal rod (1), the lower part of the vertical rod (2) is connected with the geophone bin (3), the outer part of the vertical rod (2) is connected with the water spraying part (4), and the inner part of the vertical rod (2) is a cavity; the top of the geophone bin (3) is a circular opening (34), the cavity of the geophone bin (3) comprises a cavity conical body (32) and a cavity cylinder (31) from top to bottom, the outer wall of the geophone bin (3) is provided with a side vertical surface opening (33), the geophone bin (3) is used for accommodating and stabilizing a geophone, and the water spraying part (4) comprises a water pipe joint (41), a water collector (42) and a water spraying pipe (43).

The invention relates to a device for treating water for household use designed so as to be temporarily coupled to the mouth of a faucet to allow the continuous supply of treated water and the water to be treated being guided radially through the inside thereof. The device is formed by means of coupling a cylindrical receptacle (2) to an upper closing element (7), where the receptacle supports, on the inside thereof, a paddle blind (4) on which a hollow, cylindrical-shaped membrane (6) is supported, where said membrane accumulates a filter bed (14) therein. The inner wall of the receptacle is provided with ribs that extend longitudinally so as to define channels through which the treated water flows. The upper closing element is provided with grooves for the inflow of water to be treated, on which sealing means are supported for the coupling to the faucet.

This invention discloses a method, system, and medium for predicting and controlling the normalized microstructure of oriented electrical steel based on a multilayer perceptron deep learning network and cellular automata. It takes two-dimensional normalized process parameters as input and ODF slice images as output. A cellular automata model driven by physical mechanisms generates virtual labeled data of "(t,T)-ODF" in batches within a preset process design space, constructing a dataset. Then, a deep learning surrogate model is used to achieve an end-to-end nonlinear mapping from the two-dimensional normalized process parameters to the ODF slice images, thereby achieving rapid prediction and visualization of the normalized microstructure without repeatedly calling the cellular automata model. This invention solves the key challenge of balancing prediction speed, structural accuracy, and inversion design capabilities within an extremely short process window.

The present application relates to the technical fields of biological medicine and gene therapy, and particularly relates to a protonatable cationic lipid, a nucleic acid delivery system and application thereof. The protonatable cationic lipid has a structure as shown in formula (I), and contains a protonatable group such as a hydroxyl group or an amino group at the end. The protonatable cationic lipid can form a lipid nanoparticle for loading various nucleic acid substances. The lipid nanoparticle nucleic acid delivery system has high cell transfection efficiency in vitro, and can be targeted to organs such as liver in vivo to achieve efficient gene editing. The lipid nanoparticle constructed by the protonatable cationic lipid provided by the present application has high encapsulation efficiency, good stability and excellent delivery efficiency, and has a wide application prospect in the fields of gene therapy and cell engineering.

This application discloses a method, apparatus, equipment, and medium for defect identification of distribution voltage transformers, belonging to the field of power equipment defect detection. The method involves: applying a multi-frequency band ring-shaped local current excitation signal to the input terminal of the primary winding of the distribution voltage transformer to obtain a first induced current signal; generating forward and reverse breakdown detection currents based on the frequency composition and amplitude evolution characteristics of the first induced current signal; alternately applying bidirectional breakdown excitation to the insulation area of ​​the voltage transformer using the forward and reverse breakdown detection currents to obtain a second induced current signal and an instantaneous breakdown voltage signal; extracting local insulation characteristic difference information from the second induced current signal and the instantaneous breakdown voltage signal; extracting frequency attenuation distribution information from the first induced current signal; and determining the location of the deterioration defect based on the local insulation characteristic difference information and the frequency attenuation distribution information. This application can improve the accuracy of defect identification.