304results about How to "Wide selection of materials" patented technology

The invention discloses a lithium-ion battery diaphragm. The lithium-ion battery diaphragm is prepared by coating the upper surface and the lower surface of a porous base material with one or more porous coatings, wherein the thickness of the porous base material is 4-80 microns; the porosity of the porous base material is 30%-90%; and each porous coating comprises the following raw materials in parts by weight: 30-100 parts of a polymer material, 0-70 parts of inorganic powder and a surface treating agent and 0-50 parts of a compatibilizer. The invention further discloses a preparation method of the lithium-ion battery diaphragm. The battery diaphragm disclosed by the invention is controllable in pore size and porosity and uniform in pore size; the finished diaphragm product is high in high-grade rate, good in wettability and high in safety; and the diaphragm is good in heat resistance, and has a thermal closing function.

The invention relates to a composite stacked and coated lithium ion battery diaphragm and a preparation method thereof. The diaphragm is a porous diaphragm which is prepared by mixing one or many kinds of coating sizing agents and is provided with a layer or multiple layers of structures; the porous diaphragm comprises the following components in parts by weight: 30-100 parts of a polymeric material, 0-70 parts of inorganic powder bodies and a surface treating agent thereof, and 0-50 parts of a compatibilizer; the polymeric material at least selects and uses two kinds of polymeric materials, one kind of the polymeric materials is a thermoplastic material of which the melting point or the viscous flow temperature is 100-150 DEG C, and the other kind of the polymeric materials is a thermoplastic material or a thermosetting material of which the melting point or the viscous flow temperature is higher than or equivalent to that of the thermoplastic material of which the melting point or the viscous flow temperature is 100-150 DEG C. The composite stacked and coated lithium ion battery diaphragm provided by the invention is uniform in bore diameter, good in wettability, favorable in heat resistance and good in hot melting and closing function, and the preparation method for the composite stacked and coated lithium ion battery diaphragm is simple in technology, wide in the material selecting range, and controllable in the micropore forming condition.

The invention provides an OLED (Organic Light-Emitting Diode) display panel and a manufacturing method thereof. The OLED display panel comprises an anode electrode layer formed on a planarization layer, a pixel limitation layer formed on the planarization layer and located on the periphery of each sub-pixel, an isolated cylinder layer formed on the pixel limitation layer, an OLED public layer formed on the isolated cylinder layer, a cathode auxiliary layer formed on the OLED public layer and a cathode electrode layer formed on the OLED public layer and electrically connected to the cathode auxiliary layer. The anode electrode layer comprises a plurality of anode electrodes mutually isolated; each anode electrode corresponds to a sub-pixel. The isolated cylinder layer comprises a plurality of isolated cylinders mutually isolated, and the isolated cylinders are formed on the upper surface of the pixel limitation layer and located between adjacent sub-pixels; at least two isolated cylinders are arranged between adjacent sub-pixels, and a groove is formed between adjacent isolated cylinders. The cathode auxiliary layer comprises a plurality of auxiliary bus bars which are embedded into the OLED public layer, and respectively correspond to grooves arranged between adjacent isolated cylinders.

The invention discloses a method for preparing air-laying cellucotton and cellucotton produced by the method. Taking low melting point fibers and other fibers as raw material, the cellucotton is produced by rough shape cutting, coarse opening, fine opening, air laying, hot binding and parting cut packaging, wherein the air laying is as follows: the loose fibers which are distributed evenly in a cotton box after fully mixed by the fine opening are further mixed by airflow and delivered by pressurized airflow to between the net forming curtain and the net forming roller to be formed into a required retiform structure. The preparing process has wide range of material selection, is suitable for not only all the raw materials adopted in the prior process, but also the plant fiber widely existing in the natural world which are not used in the prior art such as couch grass, reed, cornstock, straw and bagasse as raw materials, and the waste materials such as wood wool, crushed sponge and wool manufacturing crushed aggregates to reuse and regenerate; in addition, the preparing process has high production efficiency and low energy consumption, and produces the cellucotton with great improvement in the performance, thereby being applied to wider fields.

The invention provides continuous light curing three-dimensional printing equipment and a use method thereof. The continuous light curing three-dimensional printing equipment comprises a shaping platform, a resin tank, a transparent bottom plate, a feeding system, a control system and one or more projection systems, wherein each projection system comprises a light source system, a confluence light path, a digital imaging unit and a projection light path; each light source system comprises at least two independent light emitting units, emitting power of each light emitting unit can be independently controlled, and the emitting spectrums of any two light emitting units are not overlapped; the transparent bottom plate is positioned at the bottom of the resin tank, adopts a rigid flat plate structure, and the Young's modulus of used materials is more than 10GPa; the resin tank is used for loading liquid photosensitive resin including a light initiating agent and a light restraining agent, and the side wall of the resin tank is made from metal, inorganic nonmetal or high molecular materials. Through the adoption of the continuous light curing three-dimensional printing equipment and the use method thereof disclosed by the invention, the three-dimensional light curing process can be continuously performed at a high speed, and the speed and the precision are free from limit of the properties of the transparent bottom plate.

The invention discloses a method for preparing an Fe-based WC-Ni gradient coating by using a plasma cladding method, comprising the steps of: designing the number of layers of the gradient coating and the proportion of ceram A at each layer; supplying the A and metal powder B by a binocular; mixing the powder A and B through a three-way device and then putting the mixture into a coaxial powder feeding cladding gun which is controlled by a numerical control device; controlling the transverse size of the coating by controlling the walking speed, the swinging speed and the swinging amplitude as well as obtaining required coating thickness by controlling the powder feeding amount and the plasma arc power; cleaning the surface after the coating is solidified; and repeating the second to fifth steps to complete the preparation of the coating. In the invention, the used equipment is simple; the investment is low; the length, the width and the thickness of the gradient coating are adjustable; the components in the coating are uniform; the gradient coating can be prepared at local positions of workpieces; and metallurgic combination can be achieved between the coating and matrixes or between coatings with high interface combination strength.

The invention discloses preparation of hydrophilic polymer and application thereof in detecting mercury ions based on the change of fluorescence and color, particularly a rhodamine B hydrazide grafted hydrophilic polymer probe applied to the detection of mercury ions in aqueous medium based on the change of fluorescence and color and a kit and test paper applied to the detection of the mercury ions by using the probe, belonging to the technical field of material preparation and heavy metal ion detection. The polymer containing a rhodamine chromophore is prepared by subjecting rhodamine B hydrazide and propylene oxide on the side chain of polyvinylpyrrolidone-glycidyl methacrylate which is a water-soluble polymer to ring-opening reaction, has good water solubility and can be applied to selectively detecting the mercury ions by using visual colorimetry and fluorescence detection. The probe realizes the high-sensitivity and high-selectivity rapid quantitative or semi-quantitative detection of the trace mercury ions in the aqueous medium, has a simple synthetic route, low cost and convenience of use, is applicable to amplified synthesis and actual production and has great application prospects in the field of medicine, biology and environmental science and the like.

The invention discloses an organic luminescence display device. The organic luminescence display device comprises a substrate, a first electrode, a second electrode, an optical reinforcing layer and an organic layer, wherein the first electrode has reflection characteristics; the second electrode has semi-transmittance semi-reflection characteristics; the optical reinforcing layer is arranged on the second electrode; the organic layer is arranged between the first electrode and the second electrode, the organic layer comprises a hole-injection layer, a hole-transport layer, a luminescence layer and an electron transfer layer, the hole-injection layer is adjacent to the first electrode and arranged above the first electrode, the luminescence layer comprises a red light luminescence layer, a green light luminescence layer and a blue light luminescence layer, which are respectively arranged in a red pixel area, a green pixel area and a blue pixel area; and the organic luminescence display device also comprises an optical compensation layer which is arranged in a green light pixel area and a red light pixel area and between the hole-injection layer and the hole-transport layer, and the optical compensation layer is a structure with at least two layers.

A functional health-care beverage for elongating life of man and taking care of the health of man is prepared from the grains wine and 43 Chinese-medicinal materials including ginseng, pilose antler, genoderma, cordyceps, etc.

A method for cyclic utilization of rejected biomass includes such steps as decomposing in a multi-class fermenting pool, gas-solid-liquid separation, desulfurizing the marsh gas containing H2 and methane, feeding the marsh gas in the fuel battery with anionic exchange membrane, generating CO2 at negative electrode, using the separated liquid for soilless culture of plants, using said fuel battery to power the artificial light source, and using the residual dregs as the crop culturing matrix or organic fertilizer.

The invention relates to a container culture medium prepared from edible fungi residue and a production method thereof, and the container culture medium comprises the edible fungi residue. The container culture medium comprises the following raw materials and auxiliary raw materials in naturally stacked parts by volume: 50-60 parts of the edible fungi residue, 30-70 parts of grass carbon, 0.8-1.2 parts of vermiculite, 0.3-0.7 part of pearlite, 5-20 parts of cake fertilizer, and 2-4 parts of mineral fertilizer. Wood chips, wheat bran, residual mycelia and other larger particles are contained in the edible fungi residue, thereby having higher air porosity and good water retention property and permeability, being more conductive to growth of a plant root system, creating a good rooting zone environment for growth of crops and providing a large number of nutrients for the crops; and the supply of the edible fungi residue is sufficient, and the material can be got from local resources, thereby reducing the production cost of the container culture medium to the maximal extent.

The process of making high strength anticorrosive integrated plate material includes the following steps: forming narrow timber strip with wood leftover and low grade timber and through cutting, pressure dipping timber strip in modifying phenolic resin in solid content of 10-15 % and added preservative and serving as modifier and adhesive, stoving in a circular tunnel kiln at 90 deg.c for 30-40 min to reach water content of 12-15 %, arranging in a mold to form blank, cold pressurizing at 600-800 kg / sq m pressure, curing at 140-160 deg.c, ageing and cutting and finishing. The process is simple, and the produced plate material has density of 1-1.2, high strength, high anticorrosive performance, low cost and wide application.

The invention relates to the technology field of extraction and separation methods of effective ingredients from medicinal plants, particularly to a method for extracting high-purity neohesperidin. The prior art has the disadvantages of high requirements for raw materials, long production period, and high cost. The inventive method comprises the steps of: extracting bitter orange, immature bitter orange and sour orange with a solvent under reflux to obtain crude extract, concentrating to obtain concentrate, performing liquid extraction and salting out to obtain crude neohesperidin, and recrystallizing to obtain neohesperidin product. Compared with the prior art, the inventive method has the advantages of large raw materials selecting range, simple operation, low cost, high yield, high purity, environmental friendliness, and applicability to large scale production.

The present invention relates to a flexible stress sensor. The flexible stress sensor comprises two sensing assemblies; each sensing assembly includes a flexible fiber wire and a nanostructured film coating the flexible fiber wire; the flexible fiber wire is made of a conductive material or the surface of the flexible fiber wire is provided with a conductive layer; the nanostructured film is made of a conductive material or a semiconductor material; the two sensing assemblies are cross-stacked; and the nanostructured films of the two sensing assemblies contact with each other at the intersection of the two sensing assemblies. The present invention also relates to a preparation method of the flexible stress sensor. The flexible stress sensor of the invention has the advantages of small size, high resolution, high sensitivity and simple preparation, is suitable for being applied to miniaturized and integrated equipment and can be used for making wearable equipment for detecting human health.

The sensor is a pair of planar electrodes in some interval formed on the inner surface of automobile glass via adhering, pressing, painting or plating conductor, and electrode pair constitutes one planar capacitor via glass and near dielectric space. When some rain drops or other foreign matter attach to the outer surface of the glass, there will be changes in the average dielectric constant, the area covered by the planar capacitor plates and the minor axis radius of the dielectric space and thus change in capacitance, and the intelligent adaptive signal amplifying and processing unit with microprocessor detects the change in capacitance and converts it into digital signal to drive the control unit of the automatic windscreen wiper system.

The invention discloses a method and apparatus for continuous production of a flexible micro-nano metal network transparent conductive film. The method comprises the steps of: continuously conveying a flexible substrate to undergo pre-cleaning, air drying, atmospheric pressure plasma cleaning, cracking liquid coating and heating in order, thus forming a craquelure template on the flexible substrate; placing the flexible substrate in a vacuum chamber and performing vacuum pumping on the vacuum chamber; subjecting the flexible substrate to secondary plasma cleaning, then coating a compact metal film, and filling the craquelures on the craquelure template with a metal film material in the process so as to obtain a flexible micro-nano metal network transparent conductive film semi-finished product; releasing vacuum, taking out the semi-finished product from the vacuum chamber, and removing the craquelure template from the flexible substrate, thus obtaining the product. The method and apparatus provided by the invention realize continuous and large-area production of the flexible micro-nano metal network transparent conductive film. The film coating mode is suitable for industrial automatic continuous magnetron sputtering production lines, can greatly shorten the production cycle, and substantially improves the productivity.

The invention relates to low noise high pressure centrifugal fan. It includes casing, air inlet coverplate, motor, impeller and frame. Wheel disc and shaft disc are connected, long blade and short blade are fixed between cover plate and wheel disc. There are reinforced ring and rib on external side. Air inlet two ends of air inlet cover plate are connected separately with air inlet flange and cover plate. Advantages: 1) reducing noise greatly, 2) product is strong, light and beautful. 3) small flow rate.

The invention discloses a full angle transmission filter composed of a metal medium cycle membrane, comprising a glass basal plate, a medium membrane and a metal membrane; a plurality layers of medium membranes and a plurality layers of metal membranes are alternately arranged on the glass basal plate, wherein, the first layer and the last layer are medium membranes, the thickness of the medium membrane is 55 to 88nm, the thickness of the metal membrane is 25 to 45nm and the thickness of the first layer of membrane and the last layer of membrane is one second of the thickness of the medium membrane. The invention adopts traditional multi-layer membranes to establish novel full angle transmission filter and the concept of flat chromatic dispersion equal frequency line in the band theory is utilized to expand the scope of incident angle of the filter, which leads a one-dimensional metal medium periodic structural membrane filter to have the property of full angle. As the transmission filter of the invention has the advantages of full angle filtering property, relatively high transmission rate, long cutting band, and wide scope of material selection, the required design of the frequency band can be realized and the manufacture cost is low, etc.

The invention discloses a two-layer or multilayer composite sheet made of porous metal and a high polymer material, and an electric contact prepared from the compound sheet. The two-layer or multilayer compound sheet is formed by tightly combining a two-layer or multilayer porous metal sheet with the high polymer material, and the thickness is 0.1 to 5mm. Small sheets of which circumscribed circles are 1 to 10mm in diameter, obtained by segmenting or punching the composite sheet can be used as the electric contact of a key. The porous metal disclosed by the invention is a metal net, a metal sintered net, a metal plate net, metal foam, a metal fiber sintered felt and a metal sheet with a plurality of holes which are uniformly distributed or randomly distributed. Material compositions of two surfaces of the produced composite sheet are consistent, and contact resistances of the two surfaces are both low. The two surfaces of the electric contact, prepared from the composite sheet, of the key are equivalently conductive, so that the problem that surface contact resistance of the electric contact is high or the electric contact is nonconductive, which possibly occurs in a production process is solved.

The invention discloses a light porous wave absorbing film and a preparing method thereof. The light porous wave absorbing film comprises a fiber material with a fibrillation structure and a wave absorbing material, wherein the fiber material is of a three-dimensional cross-linked structure, the wave absorbing material is dispersed in the three-dimensional cross-linked structure, and the mass ratio of the wave absorbing material in the light porous wave absorbing film is 50-90%. The preparing method comprises the steps of dispersion, homogenization, filtration, baking and rolling. The wet papermaking technology is adopted, and the wave absorbing material is evenly distributed in a film-like wave absorbing body. According to the preparing method, the number of procedures is small, and cost is low. According to the prepared wave absorbing film, on the premise that wave absorbing capacity is maintained, the surface density of the wave absorbing body is lower than 2 kg / m<2>, and porosity is not lower than 30%.

The invention provides a flexible pressure sensor chip based on the 3D printing technology and a production method thereof. The chip comprises a flexible upper pole board, the flexible upper pole board is in contact with a flexible lower pole board where a miniature pyramid array is evenly arranged, flexible membrane electrodes are produced on the contact surfaces of the flexible upper pole boardand the flexible lower pole board, and the flexible membrane electrodes on the flexible upper pole board and the flexible lower pole board are connected with an external circuit through wires respectively. According to the production method, the flexible upper pole board and the flexible lower pole board are obtained through 3D printing, and cleaning is conducted; conductive adhesive is adopted toadhere the wires closely to the flexible upper pole board and the flexible lower pole board, and solidification is conducted; the flexible upper pole board and the flexible lower pole board are subjected to oxygen plasma treatment, a layer of a PEDOT:PSS solution infiltrates, and baking is conducted to complete production of the flexible membrane electrodes; polyimide insulating tape is used forsticking the flexible upper pole board and the flexible lower pole board together, and meanwhile, the side surface gaps between the flexible upper pole board and the flexible lower pole board are sealed. The flexible pressure sensor chip based on the 3D printing technology and the production method thereof have the advantages that the processing cost is low, the processing cycle is short, production is simple and convenient, material selections are diversified, and the structure is integrated and the like.

The invention provides an eye patch for relieving visual fatigue and belongs to the technical field of eye patches. The eye patch comprises a cover and Velcro fixing bands, multiple sandwiched layers I are arranged inside a cavity of the cover, heating pieces and medicine therapy bags are sequentially arranged in the direction of eyes of a human body inside the sandwiched layers I, a movable cover is arranged at the position, corresponding to the cavity, of the cover, a silica membrane is arranged on the face, making contact with the eyes, of the cover, protruding bubbles are arranged at the positions, corresponding to acupuncture points around the eyes, of the silica membrane, massage beads are arranged inside all the protruding bubbles and connected with a vibration motor which is connected with a power source, a temperature sensor and a microcontroller are arranged inside the cover, and the temperature sensor is sequentially connected with the microcontroller and the power source through wires. The compliableness and comfort level of the eye patch are improved, the effect of relieving visual fatigue is enhanced from the perspective of a short term and a long term, the good effects of relieving and treating visual fatigue are achieved through the combination of thermal therapy, medicine therapy and massage, safety is higher, structural design is reasonable, and using is convenient.

The invention relates to special complete formula feed for sows in the perinatal period. The feed comprises components including corn, fermented soybean meal, fermented peanut meal, oat, super steamed fish meal, egg powder, glucose, brown sugar, an emulsified fish oil-lard compound, seaweed meal, multivitamins, composite organic trace elements, a compound enzyme for pigs, choline chloride, lysine, ethoxyquinoline, phytase, salt, stone powder, calcium hydrophosphate, chitosan oligosaccharide, linseed meal, a cucubalus root-ricepaperplant pith-motherwort herb extract and mushroom powder. The feed effectively solves several common problems such as constipation, prolonged labor, postpartum lactation disorder and inadequate milk in the perinatal period of the sows, provides great help for pig farms for increase of the sow health level, the subsequent litter size and the utilization years as well as reduction of the labor intensity of workers for nursing of the sows in the perinatal period, and has very high economic significance and usage value.

The invention provides a production method for a bimetal composite pipe. The production method for the bimetal composite pipe comprises the following steps: centrifugally casting an alloy solution containing wear-resistant metal to form an inner pipe; heating an outer pipe with preset length to be in an expanding state; and pushing at least one inner pipe into the outer pipe, wherein the outer pipe is shrunk after being cooled to fasten the inner pipe, and the outer pipe and the inner pipe form the bimetal composite pipe. The invention also provides the bimetal composite pipe. The bimetal composite pipe comprises the outer pipe and at least one inner pipe, wherein the inner pipe is pushed into the outer pipe when the outer pipe is expanded with heat and is fastened by the outer pipe after the outer pipe is cooled; and the inner pipe is formed by centrifugally casting the alloy solution containing the wear-resistant metal. According to the bimetal composite pipe and the production method thereof, the length of the bimetal composite pipe is not limited by the inner pipe; high wear resistance and compressive property are achieved; the chromium content is ideal; and the inner pipe has thinner pipe wall and is longer.

The invention belongs to the field of composite phase change materials and particularly relates to a preparation method of an organic gel composite phase change material. The preparation method comprises the following steps: preparing a covalent organic gel carrier first; selecting different ligands according to the size and type of a core material so as to better match the to-be-loaded phase change core material; dispersing the prepared phase change core material solution in the organic gel carrier material by a solution impregnation method; adsorbing the phase change core material by the acting force of a gel pore channel; and removing the solvent at a relatively high temperature to obtain the covalent organic gel composite phase change material. The preparation method provided by the invention has the following advantages that 1) a novel organic gel composite phase change material is developed; 2) the prepared composite phase change material can effectively avoid the leakage problem of a phase change core material, and the core material is widely selected and has high energy storage density; and the composite phase change material is suitable for the energy storage and temperature control in different temperature intervals while the application range is wide; and 3) the prepared composite phase change material has the advantages of excellent heat transfer property, good circular stability and simple process and is suitable for large-scale production.

The invention discloses a color-sensitive gas sensing array based on nanofiber gas enrichment and a preparation method thereof. According to the color-sensitive gas sensing array, electrospinning nanofiber membranes are adopted as carriers, an acid-base indicator, porphyrin or phthalocyanine which has color change on gas is taken as a color-sensitive material, the electrospinning nanofiber membranes are processed into 1 cm round shapes, the round electrospinning nanofiber membranes are fixed with different color-sensitive materials respectively to serve as gas-sensitive units, and a plurality of gas-sensitive units constitute the color-sensitive gas sensing array. According to the color-sensitive gas sensing array based on nanofiber gas enrichment and the preparation method thereof, each electrospinning nanofiber membrane has a nano-porous structure and a huge specific surface area, and the carrier as the color-sensitive gas sensing array can improve gas adsorption capacity and can perform enrichment on to-be-detected gas; and moreover, through selection of materials of electrospinning nanofibers, the absorption affinity of the sensing array to different gases can be improved, the sensing array can perform selective enrichment on the to-be-detected gas, and accordingly, fast and flexible detection for low-concentration gas can be realized.

The invention discloses an aluminum foam sandwich plate with a gradient interface and a manufacturing method thereof, which belong to the technical field of porous metallic materials and laminar composite materials. The manufacturing method comprises the steps of firstly, uniformly mixing aluminite powder or aluminum alloy powder and foaming agent titanium hydride powder to obtain mixed powder; then sequentially filling lower panel alloy powder, the mixed powder and upper panel alloy powder into a steel mold, wherein the three powder is distributed in a layered way; then putting the steel mold into a hot press machine so as to be hot-press densified to obtain a foamable sandwich plate prefabricated member; and finally heating and foaming the prefabricated member to obtain the foam sandwich plate with the gradient interface. According to the method, the densification of the aluminum foam prefabricated member and a compounding process of aluminum foam and panels are completed at the same time within one working procedure, so that the process flow is short, and the manufacturing cost is low; commercially available metal sheets have no need to be used, so that a material selection range and a design space are wide; and the aluminum foam sandwich plate with the gradient interface prepared through the invention is hopefully applied widely in the fields of automobiles, rail trains, buildings, electronics and national defense and military industry.

The invention provides an active touch sensor. The active touch sensor comprises an insulation substrate, and a plurality of sensing units arranged on the insulation substrate, wherein each sensing unit comprises a touch / separation type friction nanogenerator arranged on the front surface of the insulation substrate, and a thin film transistor arranged on the back surface of the insulation substrate and opposite to the friction nanogenerator; each friction nanogenerator is electrically connected with a gate of the corresponding thin film transistor through a conductive material filling a via hole in the insulation substrate; and a sensing signal of each sensing unit is achieved through currents flowing between a source and a drain of the corresponding thin film transistor. The active touch sensor provided by the invention has the advantages of simple preparation process, wide material selection range and low cost, can satisfy the requirements for large-scale commercialization, and achieves high promotion and application values.

The invention discloses a gel material for filling a worked out section by vanadium-titanium-containing slags. The gel material comprises the following components in percentage by weight: 8-11% of an alkaline excitant, 14-16% of desulfurized gypsum and 71-77% of vanadium-titanium slags. The gel material further can comprise 1-2% of mirabilite as an early strength agent. The invention discloses filling slurry prepared from the gel material, full mill-tailing filler and tap water at the same, wherein the weight ratio of the gel material to the full mill-tailing filler is (1:15)-(1:4), and the percentage by weight of the tap water is 22-32%. The gel material disclosed by the invention realizes resource utilization of vanadium-titanium-containing slags and reduction of stacking of solid residues on the surface, and the filling cost of the worked out section of a mine is greatly reduced. Meanwhile, the filling body prepared has high strength.

The invention discloses a large ovarian tissue vitrification freezing carrier. The carrier consists of a carrier inner core and an outer sleeve, wherein the carrier inner core is in threaded connection with the outer sleeve, maintaining high airtightness and preventing cross infection of the ovarian tissue; meanwhile, the user operation is also facilitated; the carrier inner core consists of a handheld part, a cap part, a support part and a bearing part sequentially from top to bottom; the bearing part is clamped and fixed by the support part; when in use, a large ovarian tissue is put on an end part of the bearing part, away from the support part; the end part is a large ovarian tissue loading area; experiments prove that by using the carrier disclosed by the invention, the permeation efficiency of a refrigerant is improved; moreover, the operation is simple, the price is low, batch storage of large ovarian tissues is convenient, and the carrier is suitable for promotion and application.