2261results about How to "Unique structure" patented technology

A method of manufacturing a biopolymer optical waveguide includes providing a biopolymer, unwinding the biopolymer progressively to extract individual biopolymer fibers, and putting the unwound fibers under tension. The tensioned fibers are then cast in a different polymer to form a biopolymer optical waveguide that guides light due to the difference in indices of refraction between the biopolymer and the different polymer. The optical fibers may be used in biomedical applications and can be inserted in the body as transmissive media. Printing techniques may be used to manufacture the biopolymer optical waveguides.

The invention provides a mobile phone shell and a preparation method of the mobile phone shell. The mobile phone shell comprises a plastic piece and a metal shell body which is combined with the plastic piece, wherein the surface of a face, combined with the plastic piece, of the metal shell body is provided with an oxidation film layer, corrosion holes are formed in the surface layer of a face, opposite to the plastic piece, of the oxidation film layer, the hole diameter of each corrosion hole is 200 nanometers to 2000 nanometers, nanometer micro holes are formed in the inner layer of the oxidation film layer, the hole diameter of each nanometer micro hole is 10 nanometers to 100 nanometers, and resin compositions of the plastic piece are filled in the nanometer micro holes and the corrosion holes. The prepared mobile phone shell is resistant to abrasion, falling and corrosion.

The invention discloses a graphene-based nitrogen-doped hierachical-pore carbon nanosheet / sulfur composite material for a cathode of a lithium sulfur battery, as well as a preparation method and application of the graphene-based nitrogen-doped hierachical-pore carbon nanosheet / sulfur composite material. The carbon nanosheet is a graphene-based nitrogen-doped hierachical-pore carbon nanosheet, and is prepared by the steps of growing poly-pyrrole on graphene oxide in situ, performing carbonization at high temperature, activating by using potassium hydroxide and forming pores, wherein the graphene oxide and nano-silicon dioxide serve as double templates; the thickness of the carbon nanosheet is 10 to 25 nm; the specific surface area is 800 to 1,600 m<2> / g; the pore diameter of the carbon nanosheet is distributed into the range of 0.8 to 6 nm in a concentrated way; the structure of the carbon nanosheet is a sandwich-like type which adopts graphene as the interlayer of the carbon nanosheet. The carbon nanosheet with abundant micro-pores, meso-pores and large specific surface area can load more sulfur active substances and can effectively inhibit dissolution of polysulfide. The ultrathin nanosheet, and the micro-pores and meso-pores guarantee diffusion of electrolyte and transmission of ions. According to the structure, the capacity, the cycling stability, the coulombic efficiency and the rate performance of the carbon nanosheet / sulfur composition material applied to the lithium sulfur battery are improved synergistically.

The invention provides a novel biped humanoid robot system based on pneumatic artificial muscles, belongs to the technical field of robots, and in particular relates to a biped robot having powerful athletic ability and flexible humanoid characteristics. The biped humanoid robot system comprises a mechanical body and an electrical control system; the biped humanoid robot system is characterized in that the mechanical body is mainly composed of seven parts, namely a waist, a hip joint, thighs, knee joints, shanks, feet and the like, and has 13 degrees of freedom in total; in the 13 degrees of freedom, 3 degrees of freedom of the waist are realized by virtue of the cooperation of four pneumatic muscles and the waist spine, and the single degree of freedom of each of the hip joint, the knee joints and the ankle joints is realized by use of one pneumatic muscle and one spring which are pulled to each other to produce opposed rotating force. According to the design of the novel biped humanoid robot system, a control platform is provided; the system relates to the fields of control science and intelligent control in addition to robotics, and is capable of meeting the requirements of scientific research and teaching of a plurality of disciplines.

A health-care tangerine peel tea for moistening lung, resolving phlegm, relaxing cough, improving the resistance of body, helping digestion, and losing weight is prepared from tangerine peel and high-quality Pu'er tea.

The invention discloses a semi-submersible type multifunctional jetty, comprising one or more semi-submersible type steel box bodies mutually connected together. The lower part of each box body is provided with an anchoring locating device, and a wave wall is arranged in the longitudinal direction at the upper part of the box body. The box body is internally provided with an intermediate deck dividing the box body into an upper layer and a lower layer, wherein the upper layer is a functional box, and the lower layer is a snorkeling box. The lower layer of the box body is provided with a snorkeling device, and one end part of the box body is also provided with a shore coupling device. The invention has the advantages that the adopted semi-submersible type jetty has low manufacturing cost, short construction period, convenient construction and safe use, can effectively prevent geological disasters and avoid the damage caused by earthquakes and surge, does not change the ocean attribute and can utilize a platform on the surface of the box body as a floating dock and a hydrophilic leisure and entertainment occasion for fishing and the like.

The invention discloses a preparation method of a GR / WS2-AuNPs-WS2 compound molecular imprinting sensor. The preparation method includes the steps: 1) preparing tungsten sulfide which is nanosheet transition metal; 2) preparing an AuNPs / WS2 compound; 3) preparing a GR / WS2-AuNPs-WS2 compound; 3) preparing a GR / WS2-AuNPs-WS2 compound modified electrode; 4) taking the GR / WS2-AuNPs-WS2 compound as a substrate of the modified electrode, L-phenylalanine as a template molecule, 2-ethyl-4-methylimidazole as a crosslinking agent and methacrylic acid as a functional monomer to prepare an L-phenylalanine molecular imprinting sensor. The invention further provides an application of the molecular imprinting sensor in detection and separation of L-phenylalanine. L-phenylalanine detection sensitivity of the sensor is greatly improved owing to the GR / WS2-AuNPs-WS2 compound, and the prepared L-phenylalanine molecular imprinting sensor is high in L-phenylalanine sensitivity and selectivity by taking advantages of molecular imprinting.

The invention provides a food vending machine which comprises a rack with an operation panel. A refrigeration region, a processing region and a containing and packaging region are formed in the rack; fresh foods are stored in the refrigeration region; a plurality of output ports for outputting the fresh foods from the refrigeration region are formed between the refrigeration region and the processing region; the processing region is provided with a cooking workstation capable of carrying out cooking on the fresh foods; the cooking workstation is mounted in the processing region in a detachable manner; the containing and packaging region is provided with cooked food boxes for containing cooked foods processed by the cooking workstation and a packaging mechanism for carrying out coverage and packaging on the cooked food boxes; a taking window for customers to take the cooked food boxes is arranged on the panel of the rack. According to the food vending machine, various foods can be used for selection, and meanwhile, cooking modes also can be selected, and thus, the food vending machine is more diverse and wider in selection; the food vending machine can cook foods from a raw state and is unlike an existing food vending machine which reheats cooked foods, and thus, the foods cooked by the food vending machine are good in taste, nutrition cannot be lost, and the foods are sanitary and healthy and are difficult to go bad.

The invention discloses a preparation method of a photosensitive hydrogel containing a cyclodextrin and an azobenzene. The method comprises the following steps: mixing polyethylene glycol PEG10K with an Alpha-cyclodextrin so as to prepare a polyrotaxane hydrogel; then, adding water-soluble dendrimers Me-G2-Azo into the polyrotaxane hydrogel so as to convert the hydrogel into sol; and reassembling and decomposing the sol under the alternate irradiation of ultraviolet light and visible light so as to prepare the photosensitive hydrogel containing the cyclodextrin and the azobenzene. The photosensitive hydrogel disclosed by the invention is a ternary system hydrogel which contains the Alpha-cyclodextrin, the polyethylene glycol (PEG10K) and the second generation of dendrimers (Me-G2-Azo) modified by the azobenzene. The photosensitive hydrogel disclosed by the invention is good in biocompatibility and easy to prepared, and can be applied to the fields of preparation of photoswitches, optically-controlled motors, release of optically-controlled medicines and the like.

The invention discloses a polar electricity dust removing device with bagged dust collection, which comprises a dust remover shell, a smoke gas inlet, a uniform air board, a smoke gas outlet, dust buckets, filtering bags, electrode wires and a high-voltage insulating compartment, wherein, a plurality of rows of cloth bags are evenly arranged at interval inside the shell, and the high-voltage electrode wires are arranged at the circle center of a concentric circle of every four cloth bags and connected with a power source through the high-voltage insulating compartment arranged at the top of a dust remover; the uniform air board is arranged under a plurality of rows of filtering bags at the lateral wall of the dust remover shell close to the smoke gas inlet, multiple levels of dust buckets are arranged under the multiple rows of filtering bags, and the smoke gas outlet is arranged above the multiple rows of filtering bags at the lateral wall of the dust remover shell. The polar electricity dust removing device with bagged dust collection has the advantages of simple and unique structure, superior technical performance, smaller resistance, effective overcoming of the reverse corona phenomenon and good dust removing effect, etc. The polar electricity dust removing device with bagged dust collection improves the integral dust removing efficiency under the agglomeration action of electrostatic fields and the interception action of the cloth bags, effectively protects the filtering bags from being burned out by discharge sparks by adopting protective cage structure, and reduces device cost by substituting the steel polar plates with the filtering bags.

The invention relates to a clothes dryer, in particular to a safety clothes dryer with large-space structure , which comprises a clothes drying room, a hot air abating room, a hot air making room and a controller, wherein the clothes drying room, the hot air abating room and the hot air making room are respectively an independent part and are assembled in sequence from top to bottom. The hot air abating room is arranged below the clothes drying room and is a basin-shaped box with top opening, the bottom of the basin-shaped box is provided with an air intake connected with the hot air making room, an air-guiding safety cover is arranged at the top opening of the basin-shaped box and a clothes drying room installation device is arranged at the top opening of the basin-shaped box. The clothes drying room is composed of a bucket-shaped cloth cover, a support rack for supporting the bucket-shaped cloth cover, a basin-shaped box for forming the hot air abating room, a support member that is inserted connectively at the peripheries of the basin-shaped box and the support rack, a hot air making room, and bottom support feet. The clothes dryer has the advantages of large space, safety use, simple structure, convenient assembly / disassembly, transportation and installation, and that consumer can finish installation only in short time.

The invention provides a preparation method of an aluminum alloy-resin composite and an aluminum alloy-resin composite prepared by using the same. The preparation method comprises the following steps: S1. anodizing a pretreated aluminum alloy substrate to obtain an aluminum alloy of which the surface contains a nanoporous oxide film layer; S2. soaking the aluminum alloy containing the nanoporous oxide film layer obtained in the step S1 in an alkaline solution with the pH value of 10-13 to form corrosion pores on the outer surface layer of the oxide film layer, thereby obtaining the surface-treated aluminum alloy substrate; and S3. putting the surface-treated aluminum alloy substrate in a mold, injecting a resin composition into the mold to be combined with the surface-treated aluminum alloy substrate, and forming to obtain the aluminum alloy-resin composite. A unique double-layer stereoscopic porous structure can be formed on the surface of the aluminum alloy to enhance the binding force between the resin and the aluminum alloy; and the invention has the advantages of easier formation, basically no influence on the appearance of the aluminum alloy, wider application range and no environment pollution, and is more suitable for large-scale production.