87 results about "Cellular material" patented technology

Disclosed herein, inter alia, are devices and methods for efficient transfer and analyses of cellular material, tissue samples, such as tissue sections, using carrier substrates and devices.

A device for the manufacture of a product that imitates properties of meat and fish and their role in diets. The device comprising an extruder and a cooling die arranged downstream of the exit of the extruder. An inlet port for the insertion of cellular material is provided in a region of the extruder in the vicinity of the extruder outlet to the outlet of the cooling die, preferably between the exit of the extruder and the outlet of the cooling die. Also described is a system comprising the device, and a method for the manufacture of a product that imitates properties of meat and fish and their role in diets with the device or system, and a product that imitates properties of meat and fish and their role in diets.

An high-velocity impact-resistant wave-transparent composite, including an upper composite layer, a lower composite layer, and a bio-inspired nacre-like toughening structure arranged therebetween. The toughening structure has a soft-hard alternating nacre-like structure, and is made from a low dielectric constant sheet material and a resin. The upper composite layer and the lower composite layer are each independently made of a fiber-reinforced resin composite, a foam material, or a honeycomb material. A preparation method of the high-velocity impact-resistant wave-transparent composite is further provided.

The present application relates to the field of intelligent protection, and particularly relates to a 4D printing system and method of a bionic energy-absorbing honeycomb structure with adjustable configuration, which can consider deformation and efficient energy absorption when facing different collision conditions, fully protect the integrity of the passenger cabin or cargo cabin, and effectively reduce the injury of passengers or goods. The printing device contains a double-material extrusion system, a control system and a dynamic forming platform. The double-material extrusion system integrates a digital magnetic control system with an auxiliary magnetic field material extrusion system. In the printing process, by planning the printing path and applying a magnetic field, a patterned ferromagnetic domain pattern can be obtained while forming a complex honeycomb structure. Under the coupling effect of a high-frequency induction heater and a driving magnetic field, combined with the dynamic chemical properties of the base material, the obtained honeycomb structure can adjust the cell structure and material stiffness of the honeycomb material to cope with different collision conditions, realize active intelligent protection, and has great application potential in the field of transportation.

Disclosed herein, inter alia, are devices and methods for efficient transfer and analyses of cellular material, tissue samples, such as tissue sections, using carrier substrates and devices.

A phase transformational cellular material, including a plurality of bistable cells, each respective bistable cell operationally connected to at least one other respective bistable cell. Each bistable cell enjoys a first stable phase and a second stable phase. The first stable phase is a first geometric configuration and the second stable phase is a second geometric configuration different from the first geometric configuration. An energy transaction is required to shift each respective cell between stable phases. A mechanical energy transaction is required to shift from the first to the second phase, while a thermal energy transaction is required to shift from the second to the first phase.

The invention belongs to the technical field of composite materials, and relates to foaming wave-absorbing slurry, a foam filling honeycomb material and a preparation method thereof. A specific wave-absorbing foaming slurry is filled into a wave-absorbing honeycomb core to prepare a target foam-filled honeycomb material, and a physical foaming method is adopted, so that the improvement of broadband wave-absorbing performance and effective bearing can be realized, and the characteristic of light weight can be exerted; by filling the wave-absorbing foam into the wave-absorbing honeycomb core and using the microspheres expanded by heating as the foaming medium, compared with a chemical foaming method, the foaming process does not involve chemical reaction, so that the generation of harmful gas is completely avoided, the precipitation of chemical foaming agent residues in the product is avoided, and the service life of the product is prolonged. Therefore, the dual problems of environmental pollution and product pollution caused by chemical foaming are solved.

The application discloses a kind of X waveband wave-absorbing honeycomb composite layer structures based on graphene derivative, composite material and preparation method and application thereof, method steps include: honeycomb material processing: cutting and washing to honeycomb material;Configuration wave-absorbing slurry: configuration graphene derivative wave-absorbing slurry, and stirring and sanding are carried out;Two times of impregnation: aramid paper honeycomb sheet is impregnated into graphene derivative wave-absorbing slurry, then drying is carried out, and two times of impregnation are carried out;Surface bonding treatment: glass fibre and / or epoxy resin skin are bonded on the upper surface of honeycomb sheet, and conductive carbon fibre and / or epoxy resin skin are bonded on the lower surface of honeycomb sheet.The application can realize the strong absorption (RL<-15dB) characteristics of X waveband electromagnetic wave under thin thickness (8mm), and the material has good structural strength and environmental adaptability, and the preparation method is simple, the cost is moderate, and is suitable for large-scale industrial production.

This utility model discloses a vacuum clamping device for honeycomb materials, relating to the field of honeycomb material processing technology. It includes a base and a baffle. The base has an internal pore cleaning mechanism, which includes a cylinder. A lifting plate is located at the top of the cylinder. This utility model, through the pore cleaning mechanism, can clean impurities stuck in the pores of a square-hole plate. During use, the cylinder is activated to insert a top block into the corresponding pore, pushing out the impurities. Then, a fan is activated to blow away the impurities. This avoids the situation where some pores in the square-hole plate are blocked by impurities due to difficulty in cleaning them, resulting in uneven force during clamping and a poor clamping effect. It also avoids the difficulty of manual cleaning due to the small pore diameter, thus ensuring the working effect of the vacuum clamping device.

Large volume cellular material may be preserved by combining the cellular material with a cryoprotectant formulation / medium / solution containing at least one mNP and then subjecting the cellular material to a vitrification preservation protocol including nanowarming. This preservation method is particularly effective for cartilage tissues.

The utility model discloses a honeycomb material clamping and pressing device, and relates to the technical field of clamping and pressing equipment. Comprising a clamping and pressing device body, the clamping and pressing device comprises a clamping plate, a holding rod and a clamping and pressing device body, a telescopic rod is fixed between the clamping and pressing device body and the clamping plate, a transmission assembly is arranged in the telescopic rod, the clamping and pressing device body comprises a fixing rod, a fixing plate and a plurality of connecting rods, and a plurality of containing grooves are formed in the top of the fixing plate and correspond to the connecting rods one to one; each connecting rod is connected with the corresponding containing groove in a sliding mode, by arranging the telescopic connecting rods, the first protruding parts, the expansion air bags, the anti-skid pads and other structures, stable clamping force can be provided, materials are effectively prevented from sliding or shifting in the clamping and pressing process, and through sliding of the connecting rods in the containing grooves and telescopic adjustment of the telescopic rods, the clamping and pressing efficiency is improved. The honeycomb material clamping device can adapt to honeycomb materials of different shapes and sizes, an operator can easily control the clamping action of the device by holding the holding rod with the anti-skid lines, and the operation difficulty and the labor intensity are reduced.

A system for extracting and analysing cellular material, the system comprising an integrated lab-on-a-chip (LOC) 1 and an instrument 2. The instrument comprises an interface or recess 4 for holding th

Disclosed herein, inter alia, are devices and methods for efficient transfer and analyses of cellular material, tissue samples, such as tissue sections.

The application discloses 3D printing aramid wave-absorbing honeycomb material and a preparation method and application thereof, utilizes wave-absorbing agents with nano-scale structure and excellent electrical properties and aramid nanofibers with excellent mechanical properties to be tightly combined through hydrogen bonds, and advantages that the surface of the wave-absorbing agents and the aramid nanofibers is easy to produce a strong network cross-linking structure, and the mechanical properties of the 3D printing aramid wave-absorbing honeycomb material are improved, a new aramid nanofiber-based material with good wave-absorbing performance and mechanical properties is developed, and the defects of the current wave-absorbing honeycomb material, such as a large weight of a surface coating and easy peeling, are solved, and the application demand in the fields of aerospace, radar stealth technology and the like can be met. The 3D printing technology is used to print aramid wave-absorbing honeycomb materials with different sizes and densities, energy consumption is low, printing precision is high, the process is simple, the 3D printing aramid wave-absorbing honeycomb material has excellent mechanical properties, good wave-absorbing performance, strong structure designability, and a wide application prospect.

The present invention relates to a method for preparing a mineral foam comprising the following steps in sequence: a. preparing a slurry comprising: (i) a mineral fraction comprising: - at least one cement-based hydraulic mineral binder; - at least one reactive mineral addition; - at least one inorganic aerogel; (ii) water; (iii) optionally, at least one additive; b. adding the slurry with a pre-formed foam to obtain the mineral foam. The present invention also relates to the cellular mineral material obtained by hardening the above-mentioned foam and to a building construction element comprising the above-mentioned cellular mineral material. The invention also relates to the use of the above-mentioned cellular mineral material as a thermal insulating material, sound absorbing material, or building construction material.

The present invention is a camper configured to fit in the bed of a truck. The camper is made with an external frame comprised of L-shaped angled metal members which provide structural support and help seal the joints between sections of the camper walls. The camper walls are comprised of honeycomb material which function as both walls and insulation. The novel combination of these materials allows for the functions of many elements to be achieved by only two components.

The invention relates to the field of milling, in particular to a composite holding base material and a preparation method and application thereof. According to the invention, low-freezing-point agar and gelatin hydrogel with a mass ratio of 9: 1-1: 1 are used as a composite immobilization base material for the first time to be applied to the field of milling, so that stable immobilization and convenient disassembly of the honeycomb material are realized; the problems of high cutter cost, harsh parameters, unreasonable holding mode and poor process universality in the milling of the existing 3D printing honeycomb composite material are solved, the industrial pain points of difficult disassembly, easy workpiece damage and residual influence on performance in the traditional holding mode are solved, and powerful support is provided for diversified application of the 3D printing honeycomb composite material; and the method has wide industrial popularization value.

The disclosed methods for preparing cytological samples may include placing a cytological sample in a concave filter in a filtration system and applying a negative pressure to an outer surface of the concave filter with a vacuum device to withdraw a liquid from the cytological sample. A cellular material of the cytological sample may be deposited substantially evenly along an inner surface of the concave filter. Various other related methods, systems, and materials are also disclosed.

According to the composite component, the vehicle body frame and the vehicle, the composite component comprises a first component body, a second component body and a third component body which are sequentially arranged in a stacked mode from outside to inside, the first component body, the second component body and the third component body are independently arranged, and the second component body is connected with the first component body and the third component body; wherein the first component, the second component and the third component are all configured to be made of honeycomb materials, the density of the first component is set to be rho1, the yield strength of the first component is set to be Rp1, the density of the second component is set to be rho2, the yield strength of the second component is set to be Rp2, the density of the third component is set to be rho3, the yield strength of the third component is set to be Rp3, rho1, rho2 and rho3 meet rho1 < rho2 < rho3, and Rp1, Rp2 and Rp3 meet Rp1 < Rp2 < Rp3. In this way, differentiation and self-adaptive protection of low-speed, medium-speed and high-speed full-scene collision are achieved, overall light weight can be achieved due to the adoption of the variable design, and therefore the design requirement for light weight of the vehicle body frame is met while safety is guaranteed.

Methods and systems for analysis and isolation of tissue and cellular material are provided, including to isolate nucleic acid from a sample.

The invention provides a wave-absorbing honeycomb material and a preparation method thereof. The wave-absorbing honeycomb material comprises an aramid paper honeycomb substrate, and a foam absorbing layer, an optional foam transition layer and a foam matching layer which are sequentially arranged in honeycomb holes of the aramid paper honeycomb substrate from outside to inside, wherein the dielectric constant of the foam matching layer is gt; the dielectric constant gt of the foam transition layer; the foam absorbs the dielectric constant of the layer. According to the wave-absorbing honeycomb material, the technical effects of improving the broadband absorbing effect and reducing the thickness are achieved.

The invention relates to the field of mechanical property testing of porous and honeycomb materials, in particular to an ocean engineering porous honeycomb material shear test device and a using method thereof, and the device comprises a first clamping plate which is of an L-shaped structure; the second clamping plate and the first clamping plate are the same in structure and are oppositely arranged; the fixing pins comprise a fixing plate and a plurality of pins, the pins are arranged on the fixing plate, the number of the fixing pins is at least two, the at least two fixing pins penetrate through the first clamping plate and the second clamping plate respectively to be connected with the sample piece, and the pins are used for fixing the sample piece and applying shearing force to the sample piece; the two first fixing seats are respectively arranged on the side surfaces of the vertical parts of the first clamping plate and the second clamping plate and are used for fixing the extensometer; and the extensometer is used for detecting the deformation condition of the sample piece in the stress process. By adopting a mode of fixing and loading through a plurality of pins, the situation that the clamp is directly contacted with the sample, so that the local stress of a porous or honeycomb material is too large, and the sample is locally crushed is avoided.

An apparatus for the production of iron through reduction of iron ore by an electrolysis reaction, the electrolysis reaction emitting a gas, the apparatus including a casing including a gas-permeable anode plate being made of a cellular material, a cathode plate, both facing each other and being separated by an electrolyte chamber, the gas-permeable anode plate being made of a cellular material including a plurality of cells, each cell being delimited by a circumferential wall and being open on the two opposite sides of the gas-permeable anode plate, the circumferential wall being made from a plurality of metallic sheets which are interlocked together with interlocking means.

The utility model discloses ultrasonic vibration honeycomb material precise cutting equipment which comprises a cutting table and a cutting device, a plurality of fixing buttons are installed at the upper end of the cutting table and move upwards through rotation, the lower ends of the fixing buttons are fixedly connected with rotating rods, the rotating rods are fixedly connected to the positions, close to the edges, of the fixing buttons, and the fixing buttons rotate with the rotating rods as the axes. A honeycomb material placed on the cutting table is fixed and limited through rotation of a fixing button, so that the honeycomb material is more accurately and stably cut by the cutting device, and a honeycomb plate is better fixed by the fixing button through the moving track of a clamping block channel formed in a rotating groove by a clamping block; the problem that a method for fixing the honeycomb material is low in efficiency or causes resource waste is solved.

The present invention relates to the technical field of wave-absorbing cone processing, and in particular to a wave-absorbing cone processing method based on honeycomb materials, comprising the following steps: S1, processing of wave-absorbing cone tip; S2, processing of wave-absorbing cone cone cone; S3, processing of wave-absorbing cone; S4, processing of wave-absorbing cone matrix. The present invention processes the cone tip and cone cone first, and then splices the cone tip and cone cone to form a wave-absorbing cone. Compared with the existing method of splicing four triangular honeycomb panels, since the cone tip is a four-sided pyramid structure with a top, and the wave-absorbing cone is prepared by honeycomb materials, except for the honeycomb hole at the highest point, there will always be honeycomb side walls connected. The wave-absorbing cone formed by this method will not have a large area of ​​honeycomb material falling off at the vertex, thereby ensuring the integrity of the top of the wave-absorbing cone and avoiding the falling off of the top, so as to improve the qualified rate of wave-absorbing cone processing.

The utility model relates to the technical field of boards, in particular to a composite board, which comprises a buffer layer, a heat insulation layer and a heat insulation layer. The modified layers are arranged on the two sides of the buffer layer, and each modified layer comprises a fiber reinforced material layer. The composite board has the advantage of light weight and certain mechanical properties, and has the benefit of reducing cost; compared with a traditional aluminum alloy material, the light weight degree of the composite board can be larger than 92%, and compared with a traditional glass fiber injection molding fiber, the light weight degree of the composite board can be larger than 85%.

This method provides a more efficient way to produce extracellular vesicles from minimal cellular material, including not only individual cells in suspension but also cells in a three-dimensional structure. [Solution] The present invention provides a method for producing extracellular vesicles from producing cells, comprising: a) placing producing cells in a liquid culture medium in a container having a baffle structure inside; b) rotating the container, thereby generating extracellular vesicles from the producing cells; and c) collecting the generated extracellular vesicles, wherein step b) of rotating the container includes a sub-step of repeatedly changing the rotational motion of the container.

Disclosed herein, inter alia, are devices and methods for efficient transfer and analyses of cellular material, tissue samples, such as tissue sections.

An high-velocity impact-resistant wave-transparent composite, including an upper composite layer, a lower composite layer, and a bio-inspired nacre-like toughening structure arranged therebetween. The toughening structure has a soft-hard alternating nacre-like structure, and is made from a low dielectric constant sheet material and a resin. The upper composite layer and the lower composite layer are each independently made of a fiber-reinforced resin composite, a foam material, or a honeycomb material. A preparation method of the high-velocity impact-resistant wave-transparent composite is further provided.

The invention belongs to the field of power-resistant wave-absorbing materials, and particularly relates to an electromagnetic-thermal performance analysis method of a honeycomb wave-absorbing material. Aiming at electromagnetic-thermal multi-physical field performance evaluation of the wave-absorbing honeycomb material, a complex porous multi-scale wave-absorbing honeycomb material is equivalent to a uniform block wave-absorbing material, equivalent electromagnetic parameters and equivalent thermal physical parameters are deduced, and then an equivalent electromagnetic-thermal analysis model is established; the method is not only suitable for single-layer uniform honeycomb wave-absorbing materials, but also suitable for multi-layer gradient gradient honeycomb wave-absorbing materials. According to the electromagnetic-thermal performance analysis method of the honeycomb wave-absorbing material, calculation precision and efficiency are both considered, fine modeling of the honeycomb structure is not needed, grid division of the equivalent block is simple, the number of grids is small, the electromagnetic-thermal performance of the honeycomb is efficiently and rapidly evaluated, and the method is suitable for large-scale popularization and application. And a support is provided for electromagnetic-thermal integrated collaborative design of the honeycomb wave-absorbing material in a high-power application scene.