32 results about "Cell cavity" patented technology

The present application relates to the technical field of quantum sensing based on atomic cell, in particular to a light glue inner mirror surface reflection multi-optical path atomic cell and application thereof. The light glue inner mirror surface reflection multi-optical path atomic cell of the present application increases the optical path of the probe laser in the atomic cell cavity and amplifies the signal without changing the size of the spectral analysis cell chamber; ultimately, the fundamental sensitivity of the measurement is limited by the quantum shot noise of the atoms, and the limit of such sensitivity is called the standard quantum limit, which is inversely proportional to the square root of the number of atoms simultaneously detected in the chamber. The multi-optical path design of the light glue inner mirror surface reflection multi-optical path atomic cell of the present application can make the probe laser cover the entire cross section of the atomic cell cavity and simultaneously detect almost all the atoms in the atomic cell cavity, thereby greatly improving the signal-to-noise ratio of the measurement and the sensitivity under the standard quantum limit caused by the shot noise.

The utility model provides a superconducting electron linear accelerator device for isotope production, which comprises an injector, a superconducting acceleration module and an irradiation target area which are arranged in sequence, and the superconducting acceleration module is connected with a low-temperature cooling system, a radio frequency driving system and a control system; the superconducting acceleration module comprises a low-beta-value Ni3Sn superconducting cavity and five standard Ni3Sn superconducting cavity modules, the low-beta-value superconducting cavity is an SRF acceleration cavity of a 2-cell cavity with beta = 0.7, and each standard superconducting cavity module consists of four SRF acceleration cavities of the 2-cell cavity with beta = 1 which are connected in series; and the input end of the standard superconducting cavity module adopts a symmetrical double-input coupler. According to the linear accelerator device provided by the utility model, the Ni3Sn superconducting cavity adopts a 2-cell and double-input coupler structure, so that the power requirement of high-power input coupling can be reduced under high flow intensity, a high-power electron beam is generated at lower cost, and efficient and economic production of isotopes is realized.

The invention relates to a chip for cell sorting by laser-induced forward transfer, relates to the technical field of cell sorting, and solves the technical problems that in the cell sorting process in the prior art, micro-explosion can strongly impact and damage cells and interfere with research and analysis on cells obtained through sorting. The chip comprises a substrate, a sacrificial layer, an explosion cavity membrane, an isolation layer membrane and a cell cavity membrane which are sequentially arranged from bottom to top. When the chip for cell sorting through laser-induced forward transfer is used for LIFT target cell sorting, impact damage to target cells in the LIFT process can be effectively buffered and reduced, and the activity of the target cells obtained through sorting is improved.

A magnetorheological apparatus includes a flexible body formed of an elastomer material, a plurality of cell cavities defined by the flexible body, a magnetorheological (MR) fluid disposed within each cell cavity of the plurality of cell cavities, and a magnetic field inductor positioned adjacent to at least one of the cell cavities. Each cell cavity of the plurality of cell cavities is fluidly encapsulated within the flexible body. The magnetic field inductor is selectively operable to vary a magnetic field, and the MR fluid within the at least one cell cavity is configured to vary a stiffness of the at least one cell cavity in response to the magnetic field.

The present application discloses an electrocatalytic in-situ Mössbauer spectroscopy sample cell and its application; the electrocatalytic in-situ Mössbauer spectroscopy sample cell includes a proton exchange membrane, a working electrode cell cavity, and a counter electrode cell cavity; the working electrode cell cavity is horizontally fixedly connected to the counter electrode cell cavity; a through hole is provided on the cavity wall connecting the working electrode cell cavity and the counter electrode cell cavity; a concave groove is provided at the through hole, and the proton exchange membrane is located in the concave groove. The working electrode is perpendicular to the radiation source. Due to the different positions of the radiation source, two sample cells with different orientations are designed. The electrolytic cell can avoid the interference caused by the oxygen evolution reaction of the counter electrode and can better obtain the real reaction state of the catalyst; it is suitable for Mössbauer spectroscopy devices of different elements (Fe / Sn); it can also be applied to different electrocatalytic reactions (CO2 / N2 reduction reaction).

The application discloses a kind of frame of battery pack, battery pack and vehicle, it is related to new energy technology field.Frame includes: edge beam, elastomer and drive adjustment structure.Edge beam is connected in sequence multiple roots, and multiple edge beams are enclosed to form cell cavity, and at least one edge beam is provided with accommodating groove on the side towards cell cavity;Elastomer is arranged in accommodating groove, one end of elastomer is connected with edge beam, and the other end is used to extrude cell to adjust the expansion force of cell;Drive adjustment structure is connected with elastomer to adjust the expansion amount of elastomer.According to the frame of battery pack of the embodiment of the application, the constraint force of cell can be dynamically adjusted, the use reliability of cell is ensured, and then the use performance of battery pack is optimized.

The present invention relates to the technical field of tissue engineering, and in particular to a 3D printing platform integrated with holographic optical tweezers, and a bionic tissue construction method. The printing platform comprises: a holographic optical tweezer module configured to form an optical trap array in a focal region of an objective lens of the holographic optical tweezer module; material barrels configured to store biological materials and capable of moving between a storage position and a working position; a printing base capable of moving between a material loading station and an optical tweezer manipulation station; an object stage mounted on the printing base and capable of moving in horizontal and vertical directions; a photocuring device fixed on the object stage and configured to emit light to induce the biological materials to be cured; and a cell culture plate fixed on the object stage and stacked on the photocuring device, wherein the cell culture plate has a printing chamber and a cell chamber, and the printing chamber and the cell chamber are in communication with each other by means of a channel. A macroscopic ordered three-dimensional structure can be constructed, and micro-scale organisms inside the macroscopic three-dimensional structure are also ordered and patterned.

The utility model provides a kind of battery pack and electric equipment, battery pack includes first cabinet and second cabinet, first cabinet forms the cell cavity with one side opening, and second cabinet cover is located in opening;Support is located in cell cavity, and is supported between first cabinet and second cabinet, support is provided with hollow structure along its length direction and is penetrated.This application technical scheme is by being provided with hollow structure in support, so, when support is deformed inward by external pressure or impact force, hollow structure in support can be deformed in support Space is left for bracket, to relieve stress concentration caused by external impact, reduce the stress damage probability of support, prolong the service life of support.

The application relates to a carbonate carbon and oxygen isotope analysis device which comprises a rotating table and a measuring mechanism, a plurality of ablation cell cavities are arranged on the rotating table along the circumference of the rotating table, the ablation cell cavities are provided with gas inlets and outlets; components of the measuring mechanism are sequentially arranged along the ablation cell cavities, and the measuring mechanism comprises a laser system, an exhaust unit, a purification sampling unit and a gas isotope mass spectrometer; the laser system is located above the ablation cell cavities and is provided with a laser action area, the laser action area is located on the movement path of the ablation cell cavities; the exhaust unit is used for being connected with the gas inlets and outlets to replace air in the ablation cell cavities with helium; the purification sampling unit is used for being connected with the gas inlets and outlets to sample; and the gas isotope mass spectrometer is connected with the purification sampling unit. The ablation cell cavities are arranged on the rotating table, and the measuring mechanism is matched, so that different samples can be independently and continuously subjected to exhaust, ablation reaction and purification test, and the test efficiency can be improved.

The present invention discloses a compact and efficient pump-probe optical system, which relates to the field of pump-probe technology. The optical path structure includes a first reflector, a second reflector, an ultraviolet reflector, and a multi-pass cell cavity. The first reflector and the second reflector are respectively provided with a first circular hole and a second circular hole at their centers. The ultraviolet reflector is mounted at the first circular hole in the center of the first reflector, and its working surface is convex and faces the second reflector. The incident beam of the photolysis laser enters through the second circular hole and is incident on the ultraviolet reflector along the optical axis of the multi-pass cell. It is then diverged and reflected by the ultraviolet reflector to the second reflector. It is reflected and collimated by the second reflector into a collimated beam, which covers the probe laser reflected back and forth in the multi-pass cell. The present invention has high mirror surface utilization, dense reflected light spots, and the photolysis beam completely covers the probe beam. It can obtain an effective overlapping optical path of up to 100 meters with a short base length, achieving a small size and high sensitivity.

The present application relates to the technical field of quantum sensing based on atomic cell, in particular to a light cement total reflection multi-optical path atomic cell and its application. The light cement total reflection multi-optical path atomic cell comprises an atomic cell cavity, a window sheet and a right-angle prism; two side opening positions of the atomic cell cavity are provided with the window sheet, the window sheet is connected with the atomic cell cavity by light cement, and the side of the window sheet away from the atomic cell cavity is provided with the right-angle prism allowing multiple reflections of the probe laser; the window sheet is provided with an entrance and an exit allowing the probe laser to enter and exit. In use, the probe laser beam is totally reflected back and forth between the two right-angle prisms and passes through the atomic cell cavity multiple times; the atomic cell cavity allows the light intensity of the probe laser to be uniformly distributed in the atomic cell cavity, so that almost all the atoms in the atomic cell cavity can be detected at the same time, thereby improving the detection signal intensity and the sensitivity under the standard quantum limit determined by the atomic shot noise.

The invention discloses a cold connection integrated liquid cooling battery box, which comprises a box frame and a liquid cooling assembly, the liquid cooling assembly is installed in the box frame, the box frame is enclosed by a front beam, a rear beam and two side beams, the liquid cooling assembly comprises an upper layer liquid cooling plate, a middle layer liquid cooling plate and a lower layer liquid cooling plate, the upper layer liquid cooling plate is installed at the top of the box frame, and the middle layer liquid cooling plate is installed at the bottom of the box frame. The lower-layer liquid cooling plate is mounted at the bottom of the box body frame, the middle-layer liquid cooling plate is mounted in the box body frame, an upper-layer battery cell cavity is formed between the middle-layer liquid cooling plate and the upper-layer liquid cooling plate, and the middle-layer liquid cooling plate and the upper-layer liquid cooling plate can be used for cooling the upper surface and the lower surface of a battery cell in the upper-layer battery cell cavity respectively; a lower-layer battery cell cavity is formed between the middle-layer liquid cooling plate and the lower-layer liquid cooling plate, the middle-layer liquid cooling plate and the lower-layer liquid cooling plate can perform heat dissipation on the upper surface and the lower surface of a battery cell in the lower-layer battery cell cavity respectively, and synchronous heat dissipation of the upper surface and the lower surface of the battery cell is achieved through the embedded design of the three layers of liquid cooling plates; and stable cold connection installation of the liquid cooling plate is realized through combination of glue joint and threaded connection.

This invention belongs to the field of computer image processing and computational wood science, specifically relating to an intelligent batch identification and analysis system for cells in cross-sections of gymnosperm wood. The system includes sequentially connected modules for image input, preprocessing, cell instance segmentation, unique ID generation and management, batch calculation of geometric parameters, and result output and interactive filtering. The method involves: after preprocessing the input image, using instance segmentation based on traditional image processing algorithms to batch identify cell outlines; assigning a unique ID to each cell and establishing a mapping; calculating the cell lumen area, diameter, and wall thickness in batches based on the mapping relationship; and finally, performing visualization and interactive filtering. This invention, by integrating batch parallel processing and cell instance-ID mapping management, achieves minute-level fully automated identification and measurement of massive numbers of cells in wood cross-sections, improving efficiency by hundreds of times compared to manual serial operations, and supports fine-grained data management and statistics.

The application discloses a PMIA / F127 / TA porous membrane and a preparation method thereof. The membrane is prepared by using PMIA polymer as a film-forming main matrix, Pluronic F127 as an additive, and placing the membrane in a TA coagulation bath by adopting the NIPS method. The surface of the membrane presents a uniform, smooth and porous structure, and the cross section of the membrane has a typical asymmetric structure, including a compact epidermis layer on the upper surface, a transition sublayer with finger-like pores and a supporting bottom layer containing a large number of cell cavity structures. With the increase of the Pluronic F127 additive amount, the finger-like sublayer of the membrane gradually changes into a network pore structure composed of connected large pores. Due to the introduction of TA, the segregation phenomenon on the surface of the membrane is improved, the roughness of the film formation is increased, the hydrophilicity is improved, the average pore diameter presents a moderate downward trend, and the porosity presents an upward trend. Therefore, the porous membrane with an ideal pore structure and excellent permeability is prepared.

The invention discloses a negative Poisson's ratio honeycomb composite structural member filled with functional liquid and a preparation method and application thereof, and relates to the technical field of composite material structures, the negative Poisson's ratio honeycomb composite structural member comprises a negative Poisson's ratio honeycomb core layer composed of periodically arranged cell elements with negative Poisson's ratio characteristics; the functional liquid is filled and packaged in the cell element cavities of the negative poisson ratio honeycomb core layer; the composite material skin covers at least one surface of the negative Poisson's ratio honeycomb core layer in a sealed mode, the composite material skin and the core layer jointly form a sandwich structure used for sealing the functional liquid, and the negative Poisson's ratio honeycomb structure is combined with the functional liquid to form the negative Poisson's ratio honeycomb structure. According to the composite structural part, integration of multiple functions is achieved on the basis that the light weight characteristic is kept. The negative Poisson's ratio honeycomb core layer provides deformation stability and energy absorption efficiency superior to those of a traditional honeycomb structure, and the functional liquid packaged in the negative Poisson's ratio honeycomb core layer can provide additional damping dissipation, thermal management or safety protection functions according to the characteristics of the negative Poisson's ratio honeycomb core layer.

A hybrid bioelectronic implantable device containing engineered cells for delivery of therapeutic agents to a subject to treat a medical condition of the subject. The device comprises an implantable device implantable inside the subject's body, wherein the implantable device comprises at least one cell housing containing the engineered cells; and an optical stimulating system within the at least one cell housing, wherein the optical stimulating system is configured to control production of at least one type of therapeutic agents by the engineered cells; wherein the medical condition of the subject comprises one of a sleep disorder, a circadian rhythm disorder, neuro disorders, infertilities, diabetes, obesity, eating disorders, cancers, bone marrow disorders, autoimmune disorders, addictive disorders.

To provide a suitable means for delivering a therapeutic biomolecule to a patient, wherein a stable and therapeutically effective blood level of the biomolecule occurs in a stable and convenient form over an extended period of time.SOLUTION: Provided is a device for treating a disease in a subject, wherein the subject may have Crohn's disease, ulcerative colitis, primary sclerosing cholangitis, eosinophilic esophagitis, autoimmune hepatitis, the device comprising a cell chamber comprising a population of cells that secrete a biomolecule for delivery to the subject.SELECTED DRAWING: None

The utility model relates to a kind of honeycomb cavity automatic perfusion device, belong to composite material intelligent manufacturing technical field, solve the problem of low efficiency of manual handheld injection gun single-hole perfusion large amount of honeycomb hole in prior art.The utility model includes three-dimensional scanning module (1), truss robot module (2), rotating base (3), track movement structure (4), single-hole perfusion module (5) and whole perfusion module (6);The honeycomb cavity needing to be perfused is scanned by three-dimensional scanning module (1), according to scanning result, single-hole perfusion module (5) or the whole perfusion module (6) is selected to be used, to facilitate the automatic perfusion of the honeycomb cavity of arc honeycomb product or round plate type honeycomb product.The utility model realizes the automatic perfusion of different types of honeycomb product using two kinds of perfusion modules, and improves production efficiency.

The invention relates to the technical field of electrochemical sensors, in particular to a horizontal insertion type pH meter titration cell and application thereof. Comprising a titration cell cavity, a pH electrode horizontally arranged on the side wall of the titration cell cavity, and an electrolyte bottle for providing a reference solution for the pH electrode through a liquid supplementing connecting pipe. The titration cell with the horizontally inserted pH electrode is adopted, so that a sample injection operation space is reserved at the upper opening end of the titration cell, and an operator can directly inject a sample into the titration cell by using a sample injector easily; in the determination process, reagent adding, sodium hydroxide titration, titration cell liquid emptying and cleaning are automatically performed according to program setting, and an operator only needs to add a sample into the titration cell by using a microsyringe. The operation is simple, the result is accurate, the reagent dosage is small, the test cost is low, human interference factors are avoided, and a full-automatic analysis device and method are provided for amino nitrogen determination.

The invention discloses a nano particle measuring device. A nanoparticle measurement device according to one embodiment of the present invention may comprise: a flow cell having a cell cavity formed therein for flowing a liquid sample; a cell seat coupled with the flow cell and supporting the flow cell; the piezoelectric sensor is opposite to the flow cell and is connected with the flow cell; the cell seat cover is arranged opposite to the flow cell, the piezoelectric sensor is located between the cell seat cover and the flow cell, and the cell seat cover is fixed on the cell seat.

The present invention relates to an implantable cell chamber device capable of retaining cells but permitting diffusion of biomolecules. Also disclosed are methods for delivering a therapeutic biomolecule to a subject in need thereof on a continuous or semi-continuous basis, by administering to the subject a cell chamber device comprising cells that secrete the therapeutic biomolecule.

Provided herein include various examples of a flow cell and methods for forming aspects of flow cell. The method may include applying a first adhesive to a substrate. The method may include orienting a die on the first adhesive. The method may also include orienting a package on the first adhesive. The package includes a die and a top surface of the die comprises an active surface and electrical contact points. Surfaces adjacent to the active surface on at least two opposing sides of the active surface form fanout regions for utilization in a fluidic path of the flow cell. The method further may include applying a second adhesive to a part of the package and attaching a lid to the second adhesive to define a fluidic flow-cell cavity below the lid and above a surface comprising the active surface and the fanout regions.

The utility model relates to the technical field of battery electrolyte supplementing, in particular to a battery and electronic equipment, the battery comprises a shell and a sealing assembly, the shell is provided with a battery cell cavity and a liquid supplementing cavity, the battery cell cavity and the liquid supplementing cavity are communicated through a through hole, and electrolyte is arranged in the liquid supplementing cavity. The sealing assembly is located in the liquid supplementing cavity, seals one end of the through hole, and is configured to be capable of being subjected to acting force to enable the through hole to be communicated with the battery cell cavity and the liquid supplementing cavity. The stability of the battery can be improved while the volume of the electrolyte of the battery can be increased.

The application discloses a super-strong wood film and a preparation method thereof. The wood film has a dense structure composed of nanofibers of wood cell walls and regenerated cellulose. The nanofiber bundles are uniformly distributed in cell cavities, and each nanofiber bundle is surrounded by regenerated cellulose. The preparation method comprises the following steps: wood flake is immersed in a lignin removal solution for sufficient reaction, then wood fibers are treated by using a chemical solution, and after sufficient perfusion reaction, the wood film is washed with water, naturally dried and shrunk to obtain the super-strong wood film. The super-strong wood film prepared by using the "top-down" rule has multiple superior performances: high mechanical strength (the tensile strength along the grain is 600-900 MPa), good optical performance, strong flexibility, length and width splicing treatment can be realized, the strength of the wood film after splicing basically remains unchanged, and the separation phenomenon does not occur at the bonding part.

The invention relates to the technical field of batteries, in particular to a battery pack capable of dynamically adjusting pretightening force distribution, the battery pack comprises a bottom shell and an internal battery cell module, a separation structure is arranged in the bottom shell to divide the space of the bottom shell into a control cavity and a battery cell cavity, and the interior of the battery cell cavity is divided into an upper battery cell mounting area and a lower emergency area; a module box is arranged in the cell mounting area, a hydraulic bag is mounted in a clamping groove in the side wall of the module box, and the hydraulic bag is filled with incompressible hydraulic oil and connected with a hydraulic control mechanism through a pipeline; the battery cells are arranged among the hydraulic bags, and the hydraulic bags apply adjustable pre-tightening force to the side walls of the battery cells; the hydraulic control mechanism comprises an oil box, a piezoelectric pump and a piezoelectric adjusting valve. The piezoelectric pump adjusts the pressure of the hydraulic bag based on sensor data. A sensing network is arranged in the battery pack and comprises a piezoresistive film sensor on the inner wall of the hydraulic bag, a distributed temperature sensor on the sealing cover and a piezoelectric film array sensor on the inner wall of the bottom shell; the battery pack can achieve the purpose of improving the safety.

The application discloses an off-axis linear acceleration collision cell for mass spectrometry, comprising a collision cell cavity, an introduction electrode, an introduction segmented quadrupole, an off-axis bending quadrupole, an exit segmented quadrupole, a gas supplement pipeline and an exit electrode. The collision cell is one of the core components of tandem mass spectrometry, and how to reduce the ion residence time in the collision cell and reduce the neutral molecule interference is a difficult problem to be solved in the collision cell technology. Therefore, the application designs an off-axis linear acceleration collision cell, which is combined with the segmented quadrupole and the bending off-axis quadrupole, can realize linear acceleration, reduce the residence time, realize off-axis deflection and reduce the neutral molecule interference. The application can effectively improve the qualitative and quantitative capabilities of the tandem mass spectrometry, and has a good application prospect in high-end tandem mass spectrometry analysis instruments such as triple quadrupole, quadrupole rod-time of flight mass spectrometry and quadrupole rod-orbitrap mass spectrometry.

The utility model provides a carbon desorption device based on a circular chamber and a carbon capture system. The carbon desorption device comprises an electrolytic bath, wherein the electrolytic bath is provided with a bath body, an anode assembly, a cathode assembly and an anion exchange membrane; an anode chamber and a cathode chamber are formed in the tank body, and the anode chamber and the cathode chamber are separated through an anion exchange membrane in a first direction; the chamber sections of the anode chamber and the cathode chamber in the second direction are circular, and the second direction is perpendicular to the first direction; the anode assembly comprises an anode plate, the anode plate is provided with an anode working part, and the anode working part is located in the anode chamber; the cathode assembly comprises a cathode plate, the cathode plate is provided with a cathode working part, and the cathode working part is located in the cathode chamber; the sections of the anode working part and the cathode working part in the second direction are circular; according to the utility model, the effective operation area of the carbon desorption device can be increased, and the defects that more defect points exist on the edge of the electrode plate and material transmission dead angles exist in the inner cavity of the tank body are overcome.

The embodiment of the utility model provides a battery module cover and a battery module. The battery module cover comprises a first cover body and a second cover body, the first cover body covers an opening of a battery cell cavity in a battery module, a plurality of battery cell openings communicated with the battery cell cavity in the battery module are formed in the first cover body, battery cells in the battery module are arranged in the battery cell cavity through the battery cell openings, the second cover body covers the battery cell openings of the first cover body, and the battery cell openings of the second cover body are communicated with the battery cell cavity in the battery module. The second cover body is detachably connected with the first cover body in a sealing manner, and the sealing connection part of the second cover body and the first cover body is arranged around the plurality of battery cell openings. According to the embodiment of the invention, the battery module cover is mounted on the battery module, so that the problem of more working procedures during sealing is solved.

The application relates to the technical field of batteries, in particular to a battery pack capable of dynamically adjusting pre-tightening force distribution, which comprises a bottom shell and internal cell modules, a separation structure is arranged in the bottom shell to divide the space of the bottom shell into a control cavity and a cell cavity, and the cell cavity is divided into an upper cell mounting area and a lower emergency area; a module box is arranged in the cell mounting area, a hydraulic capsule is mounted in a side wall clamping groove of the module box, the hydraulic capsule is filled with incompressible hydraulic oil and is connected with a hydraulic control mechanism through a pipeline; cells are arranged between the hydraulic capsules, and the hydraulic capsules exert adjustable pre-tightening force on the side walls of the cells; the hydraulic control mechanism comprises an oil box, a piezoelectric pump and a piezoelectric regulating valve, and the piezoelectric pump adjusts the pressure of the hydraulic capsule based on sensor data; a sensing network is arranged in the battery pack and comprises a piezoresistive film sensor on the inner wall of the hydraulic capsule, a distributed temperature sensor on a sealing cover and a piezoelectric film array sensor on the inner wall of the bottom shell; and the battery pack can achieve the purpose of improving safety.

The application discloses a forming method of a large-cell honeycomb sandwich composite material part, and belongs to the technical field of composite material forming. The method comprises the following steps: fixing a honeycomb core on a solidified outer skin by pre-gluing; closing the cell by laying and stacking a plate core adhesive film on the inner surface of the side of the honeycomb core facing the inner skin; using pressure-sensitive adhesive tape and a peelable layer to tightly hold the plate core adhesive film; pre-solidifying the combined part after laying and stacking the plate core adhesive film under low pressure and low vacuum; adding a layer of soft film before pre-solidification to ensure the flatness of the plate core adhesive film after solidification; laying a plate adhesive film between the pre-solidified plate core adhesive film and the un-solidified inner skin; and finally co-gluing and solidifying to obtain the honeycomb sandwich composite material part. The method solves the problems of rebound deformation, displacement and overall shrinkage of the large-curvature honeycomb core, and the problem of the depression of the inner skin and the adhesive film at the large-cell cavity.