22results about How to "Strong design" patented technology

The invention provides ionic liquid grafting modified high-temperature-resistant bio-based nylon as well as a preparation method and application thereof, and belongs to the technical field of bio-based high polymer materials. After nylon 5T salt is subjected to prepolymerization reaction, imidazolium ionic liquid is added for final polymerization, and the ionic liquid grafting modified high-temperature-resistant bio-based nylon is obtained. In the polymerization process, the imidazole ionic liquid enters a polyamide macromolecular chain, so that the intermolecular acting force can be reduced, and the molecular chain spacing can be increased, thereby reducing the melting point of the bio-based nylon, increasing the flowability of the bio-based nylon and improving the thermal property, crystallization and other behaviors of the bio-based nylon; the processing stability and the spinning performance of the bio-based nylon in the later period are effectively improved, meanwhile, the energy consumption is reduced, and the bio-based nylon with high strength, high orientation and high crystallization is obtained.

The four-season hot water unit capable of refrigerating in summer and heating in winter comprises a cold-warm hot water machine and a hot water system, the system is characterized in that hot water is free in summer, more than 70% of electricity is saved for hot water in spring and autumn, double heating is achieved, and hot water energy is used for defrosting; the cold-warm water heater forms a four-circulation loop through a compressor, a four-way valve, an indoor heat exchanger, an outdoor heat exchanger, a first hot water heat exchanger, a second hot water heat exchanger, four throttlers and a gas-liquid separator; an outlet of the compressor is divided into two paths which are respectively connected with the four-way valve and an inlet of the first hot water heat exchanger; a liquid outlet of the first hot water heat exchanger is respectively connected with second interfaces of the outdoor and inner air heat exchangers through a first throttler and a second throttler; a second interface, a third interface and a fourth interface of the four-way valve are respectively connected with second interfaces of the outdoor heat exchanger and the inner heat exchanger and the gas-liquid separator; the second heat exchanger is inserted between the indoor heat exchanger and the inlet of the third throttler; a second interface of the outdoor heat exchanger is connected with a liquid outlet of the second heat exchanger through a bidirectional throttler to form a four-circulation loop; the hot water system has three heat exchange modes of self-circulation, forced circulation and heating circulation, and hot water is discharged through water inlet jacking; the hot water heating loop comprises a hot water circulating pump, a second hot water heat exchanger, a first hot water heat exchanger, a second outlet of the three-way valve, a hot water fan heater and a hot water circulating pump; manual and self-control hot water, refrigeration and double heating modes are adopted for operation.

The present invention provides a metamaterial energy absorption structure based on Boolean operation, including an energy absorption box, the energy absorption box is composed of a plurality of metamaterial structures; the metamaterial structure is composed of a plurality of metamaterial monomers; a thin spherical shell is placed inside a regular polygonal prism, the vertical distance between the center of the regular polygonal prism and each side surface and bottom surface of the regular polygonal prism is less than the radius of the thin spherical shell; the thin spherical shell and the regular polygonal prism are subjected to Boolean operation, that is: the thin spherical shell is placed inside the regular polygonal prism, and the part overflowing from each side surface and bottom surface of the regular polygonal prism is the overflow part, and the thin spherical shell removes the overflow part to obtain the metamaterial monomer. The application of this technical solution can realize lightweight protection and efficient energy absorption of the energy absorption box.

The invention discloses a construction method and application of a portable electrochemical sensor based on CuNi-MOF-based conductive hydrogel in the field of novel nano functional materials and electrochemical sensors, and the construction method of the electrochemical sensor comprises the following steps: firstly, synthesizing microspherical CuNi-MOF by using a hydrothermal method; then dissolving CuNi-MOF, a multi-walled carbon nanotube and chitosan in an acetic acid solution, stirring to uniformly disperse the components in the solution, then adding cationic guar gum, dissolving, continuing to add sodium periodate, uniformly stirring, dispensing the mixed solution on the surface of a screen-printed electrode, forming gel through a Schiff base self-assembly method, and drying to obtain the multi-walled carbon nanotube / CuNi-MOF composite electrode. Therefore, the portable electrochemical sensor is obtained. The hydrogel material disclosed by the invention has the advantages of large specific surface area, multiple active sites, good conductivity and the like, and a portable electrochemical sensor prepared from the hydrogel material can be used for accurately detecting acetaminophen in a sample.

The application discloses a kind of decreasing type transient variable load loading device and test method, it is related to loading test simulation technical field.The application includes: first sliding mechanism, first slider is configured with linear sliding along first direction;Second sliding mechanism, second slider is configured with linear sliding along second direction;Constant load force mechanism is used to output constant load parallel with first direction, and load acts on the first slider;The first direction is vertically arranged with the second direction, the first slider is connected with the second slider by inclined connecting rod, the second slider is connected with the product to be measured on the side away from the first slider, the distance between the hinge point of the connecting rod and the first slider and the hinge point of the connecting rod and the second slider in second direction is less than the length of the connecting rod;Overcome the shortcomings of existing variable load loading system structure, small loading range, slow response, realize the purpose of instantaneous decrease of load.

The invention discloses a preparation method of a latticed composite material prepreg and a composite material honeycomb core, and relates to the field of preparation of composite material prepregs. Interconnection of the interiors of existing composite material cores is achieved through secondary machining and drilling after the cores are cured and formed, time and labor are wasted during machining, and internal damage is prone to being generated. The preparation method comprises the following steps: sticking release paper to an arrangement machine, laying a first layer of pre-impregnated resin fibers on the release paper, and heating and curing to enable the first layer of pre-impregnated resin fibers to be adhered to the release paper; taking down the release paper adhered with the pre-impregnated resin cellosilk from the arrangement machine, rotating the release paper and adhering the release paper to the arrangement machine again; laying a second layer of pre-impregnated resin fibers on release paper, and heating and curing the second layer of pre-impregnated resin fibers so as to enable the second layer of pre-impregnated resin fibers to be adhered to the release paper; and taking down the release paper adhered with the upper and lower layers of prepreg resin fibers from the arrangement machine to obtain the latticed composite prepreg. The method is mainly used for preparing the latticed composite prepreg.

The utility model relates to ammonium nitrate fuel oil explosive technical field and disclose ammonium nitrate fuel oil explosive boost system, including reel body, the lateral wall of reel body is fixed with boost device, boost device includes fixed in reel body surface cylinder feed port axle, the one end fixed with discharge elbow pipe of cylinder feed port axle extension in reel body, the one end fixed with dust cover of cylinder feed port axle extension out reel body, the inside of dust cover is provided with conical air duct, the lateral wall of conical air duct is opened and is provided with air inlet interface, the one end of dust cover is provided with feed inner tube, feed inner tube extension in conical air duct, the one end surface of feed inner tube extension in conical air duct is chamfered, the chamfer is with conical air duct inboard wall adaptation. The utility model design is reasonable, simple structure, convenient operation, system operation is safe, reliable, precision higher and so on.

Provided is a decorative sheet having excellent heat resistance, scratch resistance, and stain resistance. A decorative sheet (1) is provided with a raw material layer (2) and a surface protection layer, and the surface protection layer includes: a first gloss adjustment layer (5) that is provided on the raw material layer (2) and contains a cured product of a first ionizing radiation-curable resin, and a second gloss adjustment layer (6) that is provided on the first gloss adjustment layer (5) and contains a cured product of a second ionizing radiation-curable resin; and a second gloss adjustment layer (6) that partially covers the upper surface of the first gloss adjustment layer (5), contains a cured product of a second ionizing radiation-curable resin, and has an uneven structure on the upper surface in which the ratio (RSm / Ra) of the average length (RSm) of a roughness curve element to the arithmetic average roughness (Ra) is in the range of 10-600. The uneven structure includes a plurality of ridge-shaped portions each protruding in a ridge shape.

This invention discloses a multicolor fluorine magnetic resonance imaging probe based on a metal-organic cage. First, a rhodium-based metal-organic cage is formed by the self-assembly of a fluorinated isophthalic acid ligand and a rhodium salt, covalently introducing the first characteristic fluorine signal. Then, leveraging the coordination ability of the rhodium nodes in the rhodium-based metal-organic cage, it coordinates with a fluorinated pyridine derivative, introducing a second characteristic fluorine signal. This results in a multicolor probe containing both fluorine signals within the metal-organic cage, ensuring that all signals exhibit completely consistent pharmacokinetic behavior in vivo. This achieves true multi-channel synchronous imaging, solving the fundamental problem of spatiotemporal asynchrony of mixed probe signals. The probe system of this invention features precise structure, strong design flexibility, high imaging sensitivity, and multicolor imaging capabilities, providing a new solution for existing fluorine probes with single-channel imaging or complex structures. It also provides a new tool for in vivo multi-target biological imaging and dynamic monitoring.

The invention discloses a separation and detection method and device for miniature integrated fluorescent gas chromatography, and belongs to the technical field of gas chromatography. According to the method, an enrichment module, a sample introduction module, a separation module and a detection module are creatively integrated by combining an MEMS micromachining technology with a fluorescent sensing technology; the miniaturization, portability and intellectualization of the gas chromatograph are realized; according to the device, an analyte is pre-concentrated through the enrichment module, so that the sensitivity of sample detection is improved; the separation module is used for efficiently separating complex analytes; the fluorescence sensor is used as a detection module, nondestructive qualitative and quantitative detection of analytes is realized, and the whole device has the advantages of small size, low power consumption, fast response, high sensitivity, high integration level and the like, and is suitable for distinguishing and identifying, fast and reversible in-situ real-time detection of micro-trace gas in the fields of environmental monitoring, industrial production, express logistics and the like.

The utility model discloses a portable 18-lead dynamic and static integrated electrocardiogram recorder which comprises an 18-lead lead wire, a multi-order signal filtering conditioning circuit, a special integrated collector, a magnetic coupling isolator, an ARM processor, a Bluetooth module and an SD storage card. The 18-lead lead wire, the multi-order signal filtering and conditioning circuit, the special integrated collector, the magnetic coupling isolator and the ARM processor are connected in sequence; the Bluetooth module and the SD memory card are both connected with the ARM processor; electrocardiosignals are transmitted to the multi-order signal filtering and conditioning circuit through the full-lead lead wire to filter power frequency and other interference clutters, the special integrated collector receives and processes the electrocardiosignals into digital signals, the digital electrocardiosignals are processed by the ARM processor, and formatted electrocardiosignal data are stored in the SD memory card or are communicated through the Bluetooth module; according to the utility model, the device is small and exquisite and has a full-lead lead wire collection function at the same time.

The invention discloses a multi-target drug design method based on a protein sequence and similarity characteristics, and the method comprises the steps: designing a multi-target drug design model composed of a target characteristic embedding module, a target characteristic coding module and a multi-target drug generation module, and carrying out the independent coding and similarity coding of the characteristics of a plurality of targets, and according to the coded characteristic latent vector and the similarity characteristic latent vector, directly generating drug molecules aiming at a plurality of protein targets. Wherein the target spot feature embedding module is pre-trained on a large protein data set based on ProtTrans, and has relatively high protein feature embedding capability; the multi-target drug generation module is trained on a large-scale drug data set, so that a relatively high drug generation capability is obtained; then, the whole model is trained on a multi-target drug data set, and good multi-target drug design capability is obtained. The designed drug molecules can be well combined with each target protein, and the purpose of multi-target drug therapy is achieved.

Provided is a decorative film for a solar cell module, which has excellent designability and high light transmittance, and also has excellent properties such as weather resistance and moist heat resistance for protecting the solar cell module. A decorative laminated film for a solar cell module, the decorative laminated film comprising a protective film (A), a hard coat layer (B), a decorative layer (C), a support layer (G), and an adhesive layer (F), in the decorative laminated film (L) in a state in which the protective film (A) has been peeled off from the decorative laminated film for solar cell modules, the total light transmittance Tt at a wavelength of 380 nm to 810 nm is 50% to 90%, the reflectance R at a wavelength of 380 nm to 1300 nm is 5% to 40%, and the refractive index Fa of the adhesive layer is 1.3 to 1.8.

The present invention relates to a low-vibration high-frequency modal vehicle body structure, comprising a vehicle body base plate (1), a modal adjustment rib (2), and a composite damping layer (3), wherein the modal adjustment rib (2) is arranged on the vehicle body base plate (1) according to the modal adjustment stiffness and position, and is rigidly connected to the vehicle body base plate (1); the composite damping layer (3) is composed of a sound absorbing layer (4), a constraint layer (5), a damping layer (6), and a bonding layer (7) from the outside to the inside, wherein the bonding layer (7) is bonded to the vehicle body base plate (1). Compared with the prior art, the present invention fully considers the structural vibration of the vehicle and the structural noise characteristics caused by the vibration and the frequency effectiveness of damping vibration reduction and noise reduction control, and proposes a low-vibration high-frequency modal vehicle body structure that can effectively reduce structural noise based on the structural characteristics of various types of special vehicles.

The present invention discloses a two-stage low noise amplifier based on a flexible PET substrate and a manufacturing method thereof. The circuit topology structure includes six inductors, namely a first inductor L1, a second inductor L2, a third inductor L3, a fourth inductor L4, a fifth inductor L5 and a sixth inductor L6, three capacitors, namely a first capacitor C1, a second capacitor C2 and a third capacitor C3, two transistors, namely a first transistor T1 and a second transistor T2 and a plurality of interconnecting wires. Compared with the prior art, the present invention has the advantages of excellent design performance, accurate model and less influence of non-ideal characteristics such as parasitic on the actual circuit.

The invention discloses a modification strategy for controlling the grafting ratio of multiple ligands on the surfaces of inorganic nanoparticles. The modification strategy can realize that two or more than two different polymer ligands are modified on the surfaces of the inorganic nanoparticles according to the specified grafting ratio. The method comprises the following steps: a) synthesizing an initiator with a structure capable of realizing interconnection, wherein the initiator contains at least one initiating group and at least two groups capable of reacting with each other; b) preparing different types of polymers with different molecular weights through atom transfer radical polymerization; c) mutually connecting polymers with different types and different molecular weights according to a designed proportion by utilizing sites capable of mutually reacting on the initiator; and d) modifying the prepared multi-component distribution body on the surface of the nano particle through a ligand exchange method or a chemical reaction. The modification strategy provided by the invention is suitable for nanoparticles with different sizes and different materials and polymer ligands with different types and different molecular weights. The obtained multi-ligand modified nano particles can realize different functionalization according to the physicochemical properties of the surface polymer, and can be used as functionalized nano composite materials, such as an emulsion fixing stabilizer, a hydrophilic-hydrophobic conversion material, a catalyst, a drug targeting hydrophobic material, an optical biosensor and the like.

The present application relates to the technical field of launching tube cover, and provides a composite material frangible cover, a manufacturing method, a performance verification method and a computer device.The composite material frangible cover comprises split sub-covers, an intermediate connecting section, a cover body mounting area and a plurality of multi-stage weak grooves extending in a radial direction.The plurality of multi-stage weak grooves are arranged in a central symmetry on the frangible cover, and each adjacent two multi-stage weak grooves form the split sub-cover in the middle, and the outer side ends of the multi-stage weak grooves are sequentially arranged with the intermediate connecting section and the cover body mounting area.The present application realizes the function of the frangible cover being easy to break under dynamic impact and not easy to break under static pressure;while ensuring the breaking function of the split area, a local reinforcing sheet is designed at the root of the cover body to realize the function of the split sub-cover being able to rebound after being broken, the breaking strength is controllable, and the breaking mode is more designable.

The utility model discloses a solid integrated bionic lure bait, which relates to the field of lure bait and comprises a main solid bait body, a cockscomb-shaped guide block is fixedly arranged on the top surface of the main solid bait body, the outer side edge of the main solid bait body is arranged in a streamline shape, the bottom of the main solid bait body is arranged in a planar wide body shape, and the cockscomb-shaped guide block is fixedly arranged on the top surface of the main solid bait body. The cockscomb-shaped guide block is vertically and fixedly arranged at the center line position of the head of the top face of the main solid bait body, the head connecting ring is fixedly arranged at one end of the main solid bait body, the whole bait body is formed by solid integrated injection molding, the production technological process is reduced, the working efficiency is improved, the ratio of the solid bait to the hollow bait with the same gram weight is reduced, and the cost is reduced. The solid bait is small in size, small in wind resistance during throwing and capable of being thrown farther, the solid bait is more resistant to biting and long in service life, the whole bait body is designed to be in a streamline mode, in the engineering mechanics, the wind breaking performance is smaller in the flying process in the air, and the bait can fly farther.

The invention discloses a functional gradient PVB interlayer film, a preparation method and laminated glass, at least one main surface of the PVB interlayer film is provided with a preset pattern composed of materials with remarkably different adhesive forces, and the pattern comprises a high-adhesive-force area composed of a first PVB composition, a low-adhesive-force area composed of a second PVB composition, and a high-adhesive-force area composed of a second PVB composition. The adhesive force F1 between the high adhesive force area and the glass is greater than the adhesive force F2 between the low adhesive force area and the glass; the film can be realized through structures such as symmetric multi-layer embossing, asymmetric lamination or single-layer patterning. The preparation method comprises a co-extrusion embossing method, a co-extrusion tape casting method, a local printing method and a laser surface modification method. According to the preparation method, the PVB interlayer film is spanned from passive impact bearing to an active guiding mechanical failure mode, the requirements of high impact resistance and easy local breaking and convenient rescue in emergency are comprehensively balanced, the preparation efficiency is high, the compatibility is good, and active design and optimal balance of the safety performance of the laminated glass can be realized.

A method for manufacturing decorative sheets that provides a texture closer to that of the genuine product and has excellent design features is provided. Therefore, the method includes: a process of forming a patterned layer (5) with a pattern on it using a predetermined material that has light absorption properties for infrared rays compared to the transparent thermoplastic resin layer (6) (Fig. 2(a)); a process of sequentially laminating the transparent thermoplastic resin layer (6) and a surface protective layer (7) on the patterned layer (5) (Fig. 2(b)); a process of irradiating infrared rays after the lamination process (Fig. 2(c)); and a process of pressing an embossing plate onto the surface protective layer (7) after irradiating infrared rays (Fig. 2(d)).

The present invention provides a 3D printing device and preparation method of a liquid metal elastic electronic device. The 3D printing device includes a three-dimensional motion table, a print nozzle, a support platform, a first, a second, and a third container for respectively holding liquid metal, a fluid electrode material, and a fluid elastomer material, and a controller; the print nozzle includes an inner cavity and an outer cavity, and the inner cavity is coaxial with the outer cavity, and the outer cavity is arranged at the periphery of the inner cavity; the first and the second containers can be connected to the inner cavity, and the third container can be connected to the outer cavity; the controller controls the movement of the three-dimensional motion table in space, the connection between the A container, the second container and the inner cavity, and the connection between the third container and the outer cavity. The 3D printing device is used to perform 3D printing along the shape trajectory of the liquid metal elastic electronic device to be printed in the to-be-printed area of ​​the elastic substrate to obtain the liquid metal elastic electronic device, which has the advantages of being simple and easy to operate and having high preparation efficiency.

The method for manufacturing a recycled board of the present invention comprises: a fiber material generating step, in which a fiber material is generated by crushing a recycled product containing fibers into a fiber shape; an adhesive coating step, in which a thermosetting adhesive is coated on the fiber material generated in the fiber material generating step; a molding step, in which the fiber material coated with the adhesive in the adhesive coating step is molded into a board shape; and a pressurizing and heating step, in which the fiber material molded into the board shape in the molding step is pressurized and heated.