267results about How to "Control spacing" patented technology

A capacitance touch-sensitive screen comprises an upper substrate, a lower substrate and an inductive module, which is characterized in that a clearance between the upper substrate and the lower substrate is filled with insulating liquid to control distance between these two substrates, thus eliminating uneven distance between these two substrates, avoiding ineffective touch-sensitive screens and prolonging service life of the touch-sensitive screen. As for production method of the capacitance touch-sensitive screen, it is necessary to firstly produce a row inductive module on the upper substrate and a column inductive module on the lower substrate and then glue two substrates with glues through side frames and reserve an opening. The opening is filled with insulating liquid through vacuumizing and liquid filling and finally sealed with sealing compounds.

The invention discloses a construction wood drilling device with multi-hole continuous punching function, comprising a platform, a slide rail, a slider, a lifting motor, a screw rod, a lifting platform, a driving motor, a cam, a drilling motor, a drill bit and a drilling platform , a lifting motor is fixedly installed on the cover plate, the output shaft of the lifting motor is vertically downward and is connected with a screw rod, several groups of cams are fixedly installed on the rotating shaft, the top block is matched with the cam, and the connecting A drilling motor is fixedly installed at the lower end of the rod, and a drill bit is fixedly installed on the output shaft of the drilling motor; the lifting work of the lifting platform is realized through the threaded cooperation between the screw rod and the lifting platform, and the working of the lifting motor, so as to meet the needs of different thicknesses of wood. Drilling work improves the versatility of the drilling machine; multiple sets of drill bits are set in the device, which can perform multi-hole continuous punching work at the same time. Compared with manual drilling in sequence, the work efficiency is high and the distance between holes can be effectively controlled, improving Drilling accuracy.

The invention relates to steel for a carbon hub bearing of a microalloying car. The steel comprises the following chemical components: 0.45-0.70% of C, 0.10-0.50% of Si, 0.30-0.70% of Mn, 0.20-0.60% of Cr, P not more than 0.025%, 0.003-0.030% of S, Mo not more than 0.1%, Ni not more than 0.2%, Al not more than 0.04%, Cu not more than 0.3%, Ca not more than 0.001%, Ti not more than 0.003%, O not more than 0.001%, As not more than 0.04%, Sn not more than 0.03%, Sb not more than 0.005%, Pb not more than 0.002%, and the balance of Fe and inevitable impurities. A production method comprises an electric furnace or a converter-refining out of the furnace-VD or RH vacuum degassing-continuous casting-continuous rolling-sawing-cooling in heap-finishing-surface and internal flaw detection-packing. The steel for the hub bearing improves the mechanical performance, the element segregation and the structure uniformity, and belongs to a brand new hub bearing steel type.

The invention discloses a dustproof construction base plane slotting device. The dustproof construction base plane slotting device comprises a base plate and supporting legs arranged on the bottom ofthe base plate; a dust collector and a screw are arranged at the position, on one side of a vertical plate, of the base plate, the screw is evenly marked with scale marks, the screw penetrates the plane of the base plate, the bottom is rotatably connected with a supporting plate through a convex block, the bottom of the supporting plate is provided with a rotation mechanism through a guide block,limiting rods are arranged on the inner sides of limiting plates, two sets of cutting blades are fixedly arranged on the rotation mechanism through locking nuts in screw joint, a dust collection pipeon the dust collector penetrates the plane of the base plate, and the bottom communicates with two sets of dust collection covers through guide pipes, and cover opening directions of the dust collection covers are arranged in a manner of facing the cutting blades. The slotting depth and the width control can be achieved, operation is convenient, in the slotting process, generated dust is absorbed, air pollution is reduced, the device can be subject to linear movement, and linear slotting work can be facilitated.

The invention relates to an organic field-effect transistor, and relative production. Wherein, said transistor comprises a base plate as grid, an insulated layer on the base plate, a source grid and a leak electrodes on the insulated layer; there is an organic semi-conductor single-crystal micrometer / nanometer material between source and leak electrodes, whose two ends are connected to source and leak electrodes via two distanced metal films; the distance between two metal films is 5-20micrometer. The inventive transistor has high transfer rate and lower threshold voltage. And its production has following advantages that (1), it avoid organic solvent while will damage the nanometer material; (2), it has simple device to avoid radiating and damaging nanometer line by high-energy particles; (3), it can obtain controllable device; (4), it can control the structure of transistor, with better electrode contact.

A self-aligned double patterning formation method comprises the steps of providing a material layer to be etched, forming a sacrificial photoresist layer on the material layer to be etched, forming a polymer layer on the surfaces of the top and the side walls of the sacrificial photoresist layer, forming a first mask material layer on the surface of the polymer layer, and back-etching the first mask material layer to enable the first mask material layer on the two sides of the sacrificial photoresist layer to form a first mask pattern. As the polymer layer is formed on the surfaces of the top and the side walls of the sacrificial photoresist layer, and the hardness of the polymer layer is far higher than that of the sacrificial photoresist layer, the shape of the sacrificial photoresist layer does not deform due to stress generated by the first mask material layer. Moreover, the rotation angle of the polymer layer formed by the use of a deposition process and an etching process is a right angle, which enables the sidewall morphology of the final etched pattern to be good.

The invention discloses a fixed carrier membrane with a slice screening channel and a preparation method and application thereof. The method comprises the following steps: in-situ synthesizing a zeolite imidazate framework material ZIF-8 in a graphene oxide dispersing solution; chemically acting through ethylenediamine molecule and carboxyl and epoxy group in graphene oxide to realize amination modification of graphene oxide; in-situ loading the zeolite imidazate framework material on the surface of aminated graphene oxide to obtain a product A; adding the product A to a polyvinylamine solution to obtain a uniform membrane casting solution; and then coating the surface of a microfiltration membrane with a layer of functional membrane which is 1-100 microns in thickness. According to the preparation method, the zeolite imidazate framework material ZIF-8 is among the slices of graphene oxide, so that the channel between the graphene oxide slices can be regulated; and a quick transferring channel is provided for the transmission of CO2 during the separating and purifying of the CO2 in mixed gas, so that the CO2 permeation rate is high, and more separating factors are provided.

The invention provides a piezoelectric microphone, which comprises a base with a back cavity and a piezoelectric cantilever beam diaphragm fixed on the base. The piezoelectric cantilever beam diaphragm consists of a plurality of valves, one end of each valve is fixed with the base and the other end is suspended over the back cavity, and each two adjacent valves is arranged at an interval. The piezoelectric microphone also comprises elastic telescopic pieces connecting adjacent valves, and the elastic telescopic piece is arranged between at least one group of two adjacent valves. Compared witha related technology, the piezoelectric microphone provided in the invention has better performance.

The invention discloses a heliostat mirror field used for a tower solar thermal power plant. The heliostat mirror field comprises a near-tower area and a far-tower area. The density of heliostats in the near-tower area is larger than that of heliostats in the far-tower area. The near-tower area comprises at least one near-tower subarea. The far-tower area comprises at least one far-tower subarea. The arrangement mode of the heliostats in each near-tower subarea is any one of the linear fixed mirror line space staggered arrangement mode, the linear fixed mirror line space non-staggered arrangement mode and the annular variable mirror line space non-staggered arrangement mode. The arrangement mode of the heliostats in each far-tower subarea is any one of the linear variable mirror line space staggered arrangement mode and the annular variable mirror line space staggered arrangement mode. Compared with the prior art, when the scale of a power station is large, the reflection efficiency of a solar mirror field is effectively improved, the arrangement rules are simple and clear, and construction and maintenance are easy.

Method of manufacturing polarizing plastic lens, including an upper mold positioning step of positioning an upper mold so that a nonmolding surface faces up and a molding surface faces down, an adhesive column forming step of discharging a thixotropic curable adhesive from a nozzle beneath the upper mold to form adhesive columns on the molding surface of the upper mold, a step of bonding the upper mold and a polarizing film, an adhesive column curing step of subjecting the adhesive columns to a curing treatment, a casting mold assembling step of assembling a casting mold having a cavity within which the polarizing film has been positioned with the upper mold to which the polarizing film has been bonded, a lower mold positioned opposite the upper mold so as to sandwich the polarizing film, and a sealing member maintaining a spacing between the upper mold and lower mold, and a polymerizing and curing step of casting a curable composition into the cavity, and polymerizing and curing the curable composition that has been cast to provide a polarizing plastic lens within which the polarizing film is positioned.

The invention relates to a clamping-groove multistage series-capacitor deionizer which fixes pole plates in a clamping groove mode. The clamping-groove multistage series-capacitor deionizer comprises a slot-bearing shell (7), a partition (4), an activated carbon electrode (3), a water inlet (6), a water outlet (5), an overflow channel assembly (2) and a clamping groove (1).

The invention discloses a method and a device for preparing a boron-doped nano silicon material. The method comprises the following steps of: placing a rod-like raw material serving as an electrode raw material in a spark discharge chamber; applying a voltage to the electrode raw material by using a pulse power supply and generating sparks under the protection of a dielectric gas or liquid material; partially melting and gasifying the electrode raw material; injecting the molten and gasified electrode raw material into a dielectric gas or liquid to form nanoparticles; and separating and collecting the nanoparticles by using a filter cloth-containing particle collection device. By the method and the device provided by the invention, the spark discharge area of the electrode raw material can be improved, so that the capacity for preparing the nanoparticles is improved; the requirement on scale production is met; and the distance among electrode raw materials can be controlled so as to control the size of the formed nanoparticles and improve the particle size distribution uniformity.

The invention provides a seeding machine and seeding method for agricultural intercropping planting. The seeding machine comprises a plurality of seeding units and connection units, and the seeding units and the connection units are connected detachably and alternately. Each seeding unit comprises a mounting plate, a seed cavity, a ploughing mechanism, a seeding mechanism and an earth-up mechanism, wherein the upper surface of the mounting plate is fixedly provided with the seed cavity, and the ploughing mechanism, the seeding mechanism and the earth-up mechanism are fixedly arranged on the lower surface of the mounting plate. Each ploughing mechanism comprises a first connection rod, a connection frame, a shaft rod and ploughing blades. Each seeding mechanism comprises a second connectionrod and a sealing plate. Each earth-up mechanism comprises a second connection rod and an earth-up plate. The seeding machine is simple in structure, capable of meeting the demand of seeding in different line spacing, simple and convenient to operate, high in adjustment flexibility and applicable to both hole sowing and sowing in drill. Each seeding unit can be controlled independently, and highdiversity, high comprehensive applicability and worthiness of popularization are realized.

The invention discloses a lifting cross arm for hot-line work and an application method of the lifting cross arm. The lifting cross arm comprises a lifting cross arm body, a cross arm base and a quickinserting type torsion crank. The lifting cross arm body is arranged at one end of the cross arm base. The quick inserting type torsion crank is arranged at the other end of the cross arm base. The lifting cross arm body is used for adjusting and controlling the lifting height of the lifting cross arm body. The cross arm base is used for being connected with the lifting cross arm body and the quick inserting type torsion crank. The lifting cross arm has the advantages that operation space is large, mounting and dismounting are easy, connecting is reliable, and the use effect is good; the replacement time is short; the work strength is low; wires can be placed well; it is guaranteed that the wires are spaced by safe distance; the problems of wire falling, electric leakage, short circuits and the like are avoided; and insulation cross arms of proper lengths can be matched according to needs.

The invention discloses a steel bar bonding method of a shearing wall of a high-rise building, which relates to the technical filed of building engineering, in particular to the technical field of steel bar bonding in the construction of the shearing wall of the high-rise building. The method comprises ordinal steps of bonding a vertical ladder steel bar, bonding a horizontal ladder steel bar, bonding the vertical steel bars of a wall body and boding the horizontal steel bars of the wall body; the vertical ladder steel bar consists of two vertical steel bars and a plurality of horizontal steel bars; the horizontal ladder steel bar consists of two vertical steel bars and a plurality of horizontal steel bars; and the horizontal ladder steel bar is disassembled after concrete is poured. The method has easy operation and promotion, reduces the proportion of skillful workers, raises assembly speed, improves labor productivity, can effectively control the interval between the steel bars of walls and columns in reinforced concrete structure and the accuracy of the protective layer, and ensure the quality of assembly location of steel bar engineering.

The invention discloses a device for treating household garbage. The device comprises an outer shell, an inner shell, a box, a first connecting pipe, a first baffle plate, a first moving piece, a second moving piece, a second baffle plate, a forward magnetostrictive film, a reverse magnetostrictive film, a coil, a first one-way film, a second one-way film and multiple cooling pipes; the inner shell is positioned on the inner side of the outer shell; a combustion cavity is formed in the inner shell; a feeding port is formed in the top wall of the inner shell; a first exhaust hole is formed in the side wall of the inner shell; the feeding port and the first exhaust hole are both communicated with the combustion cavity; the box is positioned on the outer side of the outer shell; an accommodating cavity is formed in the box; an intake hole and a second exhaust hole are formed in the side wall of the box; a first end of the first connecting pipe is connected with the first exhaust hole, and a second end of the first connecting pipe is connected with the intake hole; the first baffle plate is positioned in the accommodating cavity for dividing the accommodating cavity into a first abdominal cavity and a second abdominal cavity; and an exhaust hole is formed in the first baffle plate. The device is excellent in garbage treatment effect.

The invention discloses a pole piece winding device and a cutting and attaching device. The cutting and attaching device comprises a tape accommodating component, a first tape clamping component, a cutter, a tape attaching block, a second tape clamping component and a first tape clamping driving component, wherein the first tape clamping component comprises a tape clamping block, the first tape clamping driving component is used for driving the first tape clamping component to move close to the tape attaching block and drives tape which is lower than the tape attaching block and clamped by the tape clamping block to move to the space below the tape attaching block, the second tape clamping component is used for pressing the tape located below the tape attaching block onto the lower surface of the tape attaching block, the first tape clamping driving component is used for driving the first tape clamping component to move towards the initial position and drives the first tape clamping component to drive the tape clamping block to rise after the tape is released by the tape clamping block, the tape clamping block which rises is used for clamping the tape to enable the tape to be flush with the lower surface of the tape attaching block, the cutter is used for cutting off the position, between the tape attaching block and the tape clamping block which rises and clamps the tape, of the tape, and the tape attaching block is used for adsorbing the cut-off tape and attaching the tape to a pole piece.

The invention discloses a manufacturing method of an inner pressure pipe type multilayer composite film. The manufacturing method comprises: a, uniformly mixing a film forming polymer, a film forming diluent, a film forming penetrant, a film forming pore forming agent and a film forming additive according to a certain mass percentage ratio, heating to a temperature of 130-390 DEG C with an extrusion molding machine through a thermally induced phase separation method, melting, uniformly mixing, extruding with a pipe type film inner film mold, and cooling to obtain the inner layer film of a pipe type film; b, weaving a warp and weft mesh pipe outside the inner layer film by using a warp and weft weaving machine, wherein it is ensured that the warp and weft mesh pipe is tightly attached to the surface of the inner layer film; c, coating the inner layer film outer layer attached to the warp and weft mesh pipe with a layer of an outer layer film; and d, extracting the prepared inner pressure pipe type multilayer composite film semi-finished product by using ethanol or isopropanol to obtain the inner pressure pipe type multilayer composite film finished product. According to the present invention, the inner pressure pipe type multilayer composite film has advantages of good separation performance, good compounding fastness and good mechanical property, the area of the effective filtration membrane can be increased, and the breaking of the film pipe and the damage caused by the separating and the layering between the filtration membrane layer and the support layer can be effectively avoided, such that the use efficiency and the service life of the film can be improved.

The invention discloses a method for loading silver particles on the surface of silicon nanowires. The method comprises the following steps: dispersing the silicon nanowires without a surface oxide layer in a cetyl-trimethyl ammonium bromide (CTAB) aqueous solution to obtain a dispersion solution of the silicon nanowires; adding a silver nitrate solution to the dispersion solution of the silicon nanowires while stirring, and reacting at room temperature; and centrifuging the obtained reaction solution after reaction, and colleting precipitate to obtain the silicon nanowires loaded with silver particles on the surface. The method is simple and rapid, and the adopted equipment is cheap. By utilizing the method, the silicon nanowires can be prepared in quantity, and topographical dispersion density of the silver particles deposited on the surface of the silicon nanowires can be regulated and controlled by changing the concentrations of the dispersion solution and the silver nitrate solution, thus meeting different needs.

The invention discloses a ring-shaped winding machine which comprises an open-type machine head, an electric cabinet, a transmission mechanism, a wire storage mechanism, a winding mechanism and a wire arranging mechanism, wherein the wire arranging mechanism comprises a mounting seat, a driving rubber wheel provided with a tray and a driven rubber wheel, and the driving rubber wheel provided withthe tray is connected with a second transmission mechanism in a transmission way; the wire storage mechanism is provided with a wire storage ring, the winding mechanism is provided with a gear provided with an opening, and the gear provided with the opening is connected with a first transmission mechanism in a transmission way and connected with the wire storage ring when rotating clockwise. The ring-shaped winding machine is characterized in that the second transmission mechanism is driven by a stepper motor, the electric cabinet is internally provided with a singlechip control system, a wire distance amending button is arranged on the electric cabinet, the stepper motor is controlled by a singlechip, and the wire distance amending button is electrically connected with the singlechip. The ring-shaped winding machine can increase or reduce the number of wire distance pulse by the control of the wire distance amending button and the singlechip, so that enamelled wires can be accuratelywound into a wire groove all the time, and the phenomenon of wire jumping or overlapping can be stopped.

The invention relates to the technical field of automobile part processing, in particular to a rotary polishing head device for polishing of automobile processing plates, and a using method of the rotary polishing head device. By arranging polishing mechanisms at the left end and the right end correspondingly, the left ends and the right ends of the automobile processing plates can be simultaneously polished, polishing heads are mounted on upper mounting seats and lower mounting seats of the polishing mechanisms correspondingly, the upper parts and the lower parts of the side edges of the automobile processing plates can be simultaneously polished, and the polishing efficiency is effectively improved; a polishing motor drives the polishing heads to rotate, the side edges of the automobileprocessing plates are simultaneously polished, thus the side edges of the automobile processing plates are formed at a time, and the consistency of side edge polishing is effectively improved; by adjusting the distance between an upper pressing plate and a lower pressing plate, the automobile processing plates with different thicknesses can be clamped; and wheels slide in guide rail grooves, thusthe distance between clamping mechanisms at the front end and the rear end can be adjusted, the automobile processing plates with different lengths can be clamped, and the universality of the device is effectively improved.

A glass rib unit type glass curtain wall comprises a unit frame and a panel glass. A principal vertical support is supported between the upper and the lower frames of the unit frame. The principal vertical support is connected with the auxiliary vertical support, and the glass rib is fixed in the auxiliary vertical support. The method for preparing the curtain wall comprises the following steps: baiting, manufacturing the sectional material, assembling the frame, installing the glass rib vertical support and auxiliary support, installing the panel glass and installing the glass rib. The invention provides a technique of the unit type glass curtain wall which is provided with a glass rib.

The invention discloses a cut-off and adhesive-tape-pasting device and a pole piece winding device thereof. A first set of clamping pieces and a second set of clamping pieces are arranged at intervals, an upper press roller and a lower press roller are rotatably connected with an upper press roller frame and a lower press roller frame respectively, the first upper clamping piece and the first lower clamping piece are fixed to the upper press roller frame and the lower press roller frame respectively, a pole piece cutter is located at the interval of the clamping pieces, and a second pole piece traction component and pole piece press rollers are used for dragging pole pieces to move forwards. When the first set of clamping pieces and the second set of clamping pieces clamp a pole piece, the pole piece cutter cuts off the pole piece to a front pole piece segment and a rear pole piece segment at the interval position, after the second set of clamping pieces release the pole piece, a first traction component drags the front pole piece segment forwards by a certain distance, the first set of clamping pieces and the second set of clamping pieces clamp the corresponding pole piece segments, the pole piece cutter moves to the direction of the first set of clamping pieces to avoid an adhesive tape pasting station located at the interval, and an upper adhesive tape pasting block and a lower adhesive tape pasting block paste adhesive tape to the two side surfaces of the pole piece so as to bond the front pole piece segment and the rear pole piece segment.

The invention provides a flexible three-finger clamp. The flexible three-finger clamp comprises a shell, a rotating motor arranged in the shell, an inner rotating column, a connecting disc and flexible clamping jaws, the inner rotating column is connected with the rotating motor through the connecting disc, three inclined-strip-shaped grooves are formed in the rotating column, vertical-strip-shaped grooves used for being matched with the inclined-strip-shaped grooves are formed in the shell, the first connecting ends of the flexible clamping jaws are sequentially connected with sliding blocks,the vertical-strip-shaped grooves and the inclined-strip-shaped grooves through connecting bolts, and the second connecting ends of the flexible clamping jaws are fixed to the shell. The flexible three-finger clamp is simple in structure, convenient to operate, stable in clamping and uniform in force bearing, and the three clamping jaws are all made of flexible materials to avoid damage to objects in the clamping process; and the motor drives a rotating disc to rotate, thus the clamping jaws are controlled to move up and down, the objects are clamped by extruding the clamping jaws, and when the clamping force is greater than tolerance of products, the clamping jaws are subjected to slight plastic deformation due to the flexible materials of the clamping jaws to absorb the excess clampingforce.

The invention discloses a method for adjusting distances, densities and optical properties of two-dimensional metal nano-particle arrays, and belongs to the technical field of function materials. According to the method, the surface of an electroneutral polymer film substrate is treated by the aid of gas plasmas, so that the surface of the electroneutral polymer film substrate generates chemical groups with electric charges, thermal annealing treatment is performed at different temperatures, the surface of the electroneutral polymer film substrate adsorbs polyelectrolyte with positive electric charges by the aid of layer-by-layer self-assembly technologies, so that the substrate is provided with different densities of positive electric charges, and the substrate is soaked into pre-prepared metal nano-particle solution with reverse electric charges for long enough time, taken out and dried to obtain the two-dimensional metal nano-particle arrays of different particle distances, densities and optical properties. Heat sources with temperature gradients are applied to a thermal annealing step, samples with large-area gradients can be achieved, the distances, and gradient change of the densities of nano-particles of the samples and the intensities of absorption peaks and peak positions in spectrums are achieved in the whole samples.

The invention discloses a blanking system for a core assembling machine of an automotive heat dissipating system. The system comprises a rotary table steering mechanism and a screw transfer mechanism, wherein the rotary table steering mechanism is provided with a rotary shaft body and rotary table bodies which are fixedly combined on the rotary shaft body, and each of the rotary table bodies is provided with a first horizontal station and a vertical downward station; and the screw transfer mechanism is located below the rotary table steering mechanism and is provided with a first screw and a second screw which are arranged at an interval in parallel. The invention further discloses a blanking method for the core assembling machine of the automotive heat dissipating system. The system and method disclosed by the invention have the advantages that the system is simple in structure, convenient to use and high in degree of automation, the machining efficiency is enhanced, and can be suitable for height changes of any fins which are 5-8mm, and screws in other specifications need not to be replaced.

The invention relates to a sarcosine detection method based on a metal organic framework material. The sarcosine detection method is characterized in that sarcosine oxidase and catalase are wrapped bymeans of the metal organic framework material, so that the pair of cascade enzymes is limited in a smaller space, and the content of sarcosine is determined by adopting a chemiluminescence method after a cascade reaction. The sarcosine detection method adopts ZIF-8 to coat SOX and HRP; ZIF-8 has a large specific surface area and porous channels, so that a reaction substrate in a solution can penetrate through the channels to react with SOX and HRP, enrichment of the substrate around the enzymes is facilitated, and the local substrate concentration is increased; meanwhile, due to wrapping of ZIF-8, SOX and HRP are limited within the range of hundreds of nanometers, the distance between SOX and HRP is regulated and controlled, hydrogen peroxide generated by catalyzing sarcosine by means ofSOX can be effectively transmitted to HRP for a chromogenic reaction, and the reaction rate of the reaction cascade enzymes is increased.

The invention discloses a laser beam splitting device and method based on cascaded acousto-optic deflection, belongs to the technical field of photoelectrons and lasers, and particularly comprises N identical acousto-optic deflection modules. The first acousto-optic deflection module receives incident light input at a Bragg diffraction angle theta B, the incident light deflects in the plane direction along a first ultrasonic field after being acted by the first ultrasonic field with adjustable injection power to form first-stage emergent light, and the emergent light which is not deflected serves as the incident light of the next-stage acousto-optic deflection module; the second acousto-optic deflection module to the Nth acousto-optic deflection module respectively receive emergent light which is not deflected by the previous acousto-optic deflection module, and enable the emergent light to deflect under the effect of an ultrasonic field to form second-stage emergent light to Nth-stageemergent light; the first-stage emergent light to the Nth-stage emergent light are parallel to each other. The invention aims to reduce the device cost and realize dynamic adjustment of laser energyon the basis of realizing adjustable energy beam splitting and laser collimation at the same time so as to meet various processing requirements.

The invention discloses a construction method of a two-dimensional regular porous medium geometric model. The construction method comprises the steps of determining target parameters of the porous medium geometric model, estimating the number of particles of the target model, randomly generating a particle radius array, determining coordinates of a target circle center for the particles, judging porosity after the coordinates of the target circle center are determined each time, and outputting a model. In addition, the invention further discloses a device for constructing the two-dimensional regular porous medium geometric model. The device comprises a target parameter determination module, a particle quantity estimation module, a radius array generation module, a target circle center coordinate determination module and a porosity judgment output module. According to the method and the device, the porous medium model with different particle sizes, random position distribution and diversified irregular pore channel characteristics can be rapidly generated. For a model with small target porosity and large particle number, the target porous medium model can be generated more effectively by excluding the determined coordinates of the target circle center.

The invention provides a micro-fluidic chip based on a droplet micro-fluidic technology and a detection method of the micro-fluidic chip. Cells can be monodispersed by adopting a spiral disperse phaseliquid inlet channel according to an inertial focusing principle, so that the cells are uniformly distributed in the channel from front to back, and single-cell droplets with high wrapping rate are favorably formed; besides, the disperse phase liquid inlet channel and a continuous phase liquid inlet channel are intersected in a cross shape to form a cross-shaped droplet generation channel, the flow ratio of two-phase liquid is convenient to adjust, the length and the distance of generated droplets are controlled, and the sizes of the droplets are more uniform and stable; and moreover, the micro-fluidic chip is provided with an upper layer and a lower layer, the upper layer is used for capturing high-flux single cells, and the lower layer is used for culturing the single cells and enriching secreta of the single cells, so that the single cells are cultured in droplets for a long time, and researches such as single cell in-situ culture, cell co-culture, drug screening, real-time and high-sensitivity detection of the secreta can be carried out, and the micro-fluidic chip is simple and flexible to operate, high in flux, pollution-free, short in consumed time, low in cost and wide in application range.