34results about How to "Rich and diverse structure" patented technology

The invention discloses a barrier-property lapped polymer film packaging material comprising at least one layer-multiplied and coextruded lapped barrier compound layer. Each barrier compound layer comprises a plurality of repeating units which comprise at least two individual layers; each individual layer corresponds to one of two different polymers; at least one repeating unit of the lapped barrier compound layer at least comprises three individual layers; each of the individual layers corresponds to one of three different polymers; and at least one of the at least three polymers forms at least one barrier-property polymer part which can separate gas.

The invention relates to the technical field of high molecular materials and particularly relates to a light composite sleeper as well as a preparation method thereof. The light composite sleeper comprises a polyurethane raw liquor combination material, a matrix enhancing material and light filler in a weight ratio of 10:(1-100):(0.1-1). The sleeper provided by the invention has the effects that the prepared novel light composite material sleeper not only has high mechanical strength and is corrosion-resistant and anti-fatigue, but also is low in water absorption, electrically insulating and good in durability. Even more important, the sleeper is light in weight, and sleepers of various types and dimensional specifications can be molded through different moulds. The sleeper is diverse in structure and convenient to pave, and can satisfy different working conditions. The sleeper not only can be used as a common sleeper, but also can be used as a turnout sleeper or a bridge sleeper, so that the safety and the stability of railway operation are improved while the self-weight of the bridge sleeper is reduced.

The present invention relates to the field of living furniture, in particular to a massage chair, comprising a base, and a seat body movably arranged on the base; the seat body is connected to the base through a swing device, which is a non-electric swing device; the swing The device includes a lower base, an upper base, an elastic assembly for adjusting the hinge angle between the upper base and the lower base, and a first limiting part, and the elastic assembly and the first limiting part are respectively located on both sides of the rotating shaft. Compared with the prior art, the massage chair proposed by the present invention realizes the tilting and rocking function of the chair body due to the non-electric rocking device installed under the seat body, improves the comfort, flexibility and fun of the massage chair, and overcomes the It overcomes the defect of single function of the traditional massage chair, and adopts the non-electric swing device with simple accessories. First, it is convenient for maintenance and lowers costs. Second, it is convenient for users to operate. Therefore, it can be used for more consumer groups and can be used for home and office use. , with a better market prospect.

The invention belongs to the field of embedded type core circuit boards, and relates to the field of computer hardware, in particular to an FPGA core circuit board structure. The problems of an existing core board or an existing processing platform are effectively solved, and the characteristic that an FPGA chip can be programmed and the advantage of processing the parallelism of data especially mass data are brought into full play. The FPGA core circuit board structure comprises a circuit board and is characterized in that the FPGA chip is arranged on the circuit board, and a plurality of DDR3 chips, a Flash chip, crystal oscillator chips, an electrical level conversion chip and sockets are connected with the FPGA chip and arranged at the positions, surrounding the FPGA chip, of the circuit board.

The invention provides a photo-thermal micro-flow mixer based on a single-hole optical fiber. The photo-thermal micro-flow mixer is characterized by consisting of a section of micro-processed single-hole optical fiber and a light source. A plurality of micropores are formed in the outer side of an air hole, after different kinds of liquid enter the air hole through the micropores, due to the factthat an optical fiber core is tangent to the position of the air hole, heat energy radiation is generated on micro-flow liquid after light energy is introduced, liquid molecules move in an acceleratedmode, and the purpose of mixing is achieved. The single-hole optical fiber photo-thermal micro-flow mixer capable of being used for a micro-fluidic chip is easy to prepare, good in consistency, convenient to use in cooperation with the micro-fluidic chip, convenient and rapid to connect with a light source and suitable for large-scale mass production.

The invention discloses an excreta treatment device and a human excreta treatment system. The excreta treatment device comprises a plurality of excreta collection cavities and a driver, each excreta collection cavity is internally provided with a stirring shaft rotating relative to the excreta collection cavity, and the stirring shafts of the plurality of excreta collection cavities are coaxially arranged and are connected in sequence. The driver is connected with the stirring shafts to drive the stirring shafts to rotate. According to the excreta treatment device, through arrangement of the plurality of excreta collection cavities, the excreta treatment capacity of the device can be increased. The stirring shafts of the plurality of excreta collection cavities are coaxially arranged and are connected in sequence, the driver only needs to be connected with one stirring shaft and can drive the plurality of stirring shafts to rotate at the same time, the device structure is simplified, the cost is reduced, the product failure rate is greatly reduced, and the after-sales maintenance rate is facilitated to be reduced.

The invention provides a photo-thermal micropump based on a capillary optical fiber. The photo-thermal micropump is characterized by comprising a section of annular core capillary optical fiber subjected to micromachining treatment and a light source. An annular optical fiber core is heated, melted and shrunk to become thin until capillary pores of the optical fiber are sealed, a solid light wavechannel is formed, and therefore an optical interface connected with the external light source is formed. The other end, not machined, of the annular optical fiber core is an open channel opening, andthe open channel opening serves as an outlet of the micropump and also serves as an inlet of chip microfluid. The femtosecond punching machining technology is adopted for the part, close to the melted and shrunk end, of the capillary optical fiber, a microfluid liquid inlet is manufactured and can correspond to an external chip sample inlet in position, and a liquid outlet in the other end of thecapillary optical fiber core can be connected with a microfluid channel in a microfluidic chip needing to be used. The capillary optical fiber photo-thermal micropump capable of being used for the microfluidic chip is easy to manufacture, good in consistency, capable of facilitating chip connection and convenient and fast to connect with the light source and suitable for large-scale mass production.

The invention relates to the technical field of sports equipment accessories, in particular to a bidirectional rotation target. The bidirectional rotation target comprises a master control computer, a support, a variable speed motor, a reverser, a control cabinet, a bulletproof assembly, a blocking target and an objective target. An output shaft of the variable speed motor is connected with the reverser, an output shaft at one end of the reverser is connected with the blocking target, an output shaft at the other end of the reverser is connected with the objective target, the bulletproof assembly is arranged on one side of the blocking target, and the variable speed motor, the reverser, the control cabinet, the bulletproof assembly, the blocking target and the objective target are all installed on the support. Due to the fact that the two shooting targets are arranged and are respectively the blocking target and the objective target, when a bullet or a paintball hits the blocking target, the shoot is invalid, and when a bullet or a paintball hits the objective target, the shoot is valid. Because the two shooting targets rotate in the opposite directions at different speeds, the shooting difficulty and the shooting interest are increased for a shooter, and the bidirectional rotation target is rich and diverse in structure.

The invention discloses an excreta treatment system. The excreta treatment system comprises a toilet stool, a feces treatment system, a reversing device and a urine treatment system, wherein the toilet stool is provided with a feces outlet and a urine outlet; the feces treatment system comprises a plurality of feces reactors, the inlets of the plurality of feces reactors are connected with the feces outlet through a multi-way tube, and each feces reactor is internally provided with a stirring shaft capable of rotating relative to the feces reactor. The reversing device is connected with the multi-way tube to control the feces outlet to be communicated with at least one of the plurality of feces reactors. The urine treatment system comprises a urine pretreatment tank and a photochemical reactor which are connected in sequence. The excreta treatment system is low in cost and maintenance rate, high in handling capacity for excreta, and high in treatment completion rate, and the purposes of low energy consumption, no pollution and high cleanliness are realized.

The invention belongs to the field of organic synthesis, and particularly discloses a preparation method of a 2-aryl-gamma-aminobutyric acid derivative. The method comprises the following steps: by taking alpha-aminomethyl silicon, aryl (or heteroaryl) halide and olefin as substrates, adding catalytic amounts of a photocatalyst and a transition metal catalyst, a ligand and a proper amount of a solvent, reacting at room temperature under the protection of protective gas and blue light irradiation, and separating and purifying to obtain the 2-aryl-gamma-aminobutyric acid derivative. The method has the advantages of simple operation, cheap and easily available raw materials, mild reaction conditions, and realization of synthesis of complex drug active molecules through one-step reaction, andcan be used for rapid construction of a compound library containing the skeleton of the drug active molecules.

The invention relates to a method for synthesizing polyarylation substituted oxazolidine. The method comprises the following steps: taking three components of diazol compound, aldehyde and imine as raw materials, taking Lewis acid and carboxylic rhodium as catalysts, taking an organic solvent as a solvent, taking a molecular sieve as a water-absorbing agent, after one-step reaction, removing the solvent and obtaining coarse products; and carrying out column chromatography on the coarse products by using solution with the volume ratio of ethyl acetate and petroleum ether of being 1:50-1:30, and obtaining a polyarylation substituted oxazolidine product with high diastereomeric selectivity. The mole ratio of the diazol compound, the aldehyde, the imine, the Lewis acid and the carboxylic rhodium is 1.1:1:1:0.1:0.02; and the put material amount of the molecular sieve is 2-5g/mmol of diazol compound. The method has the advantages of high atom economy, high selectivity and high yield and has simple and safe operation. The polyarylation substituted oxazolidine with high diastereomeric selectivity obtained by the method is an important chemical and medical intermediate and is widely applied in the medical and industrial fields.

The invention relates to a push-boat-type semi-continuous boron nitride nanotube preparation furnace and an application method thereof. The set of device comprises an electric temperature control heating device A, a furnace body B, a furnace head C and a furnace tail D, wherein the electric temperature control heating device A is used for adjusting and controlling the temperature of the furnace body B, hearth in the furnace body B is communicated with the furnace head C and the furnace tail D at the two sides via furnace tubes, and circulation water trays for cooling are arranged on the outersurfaces of the furnace tubes. Raw materials are reacted with ammonia gas in the hearth in the furnace body B, and then transferred to the furnace tubes between the furnace body B and the furnace tailD for cooling, while the next batch of raw materials are conveyed to the hearth for reaction, and the cooled products are taken out from the furnace tail D, thereby achieving continuous production. The push-boat-type semi-continuous boron nitride nanotube preparation furnace has the advantages of convenient operation, rich product structures, particular suitability for industrial production applications, and high safety and stability, and a large scale of BNNTs (Boron Nitride Nanotubes) of different structures can be continuously synthesized.

The invention discloses a massage chair which comprises bottom feet, a chair frame, a swing device and a chair shell. The chair frame is mounted on the bottom feet through the swing device; the swingdevice comprises a lower tray assembly, an upper tray assembly, a left torsional spring and a right torsional spring; the lower tray assembly and the upper tray assembly are hinged through a connecting shaft; the left torsional spring and the right torsional spring are respectively arranged at both ends of the connecting shaft in a sleeving mode; the upper ends of the left torsional spring and theright torsional spring are pressed against the upper tray assembly, while the lower ends are pressed against the lower tray assembly; the upper tray assembly is fixedly connected with two transversesupporting frames located at the bottom; and the lower tray assembly is mounted on the bottom feet. According to the technical scheme, the transverse left torsional spring and the transverse right torsional spring which are located between the upper tray assembly and the lower tray assembly are adopted for control, and compared with a vertical spring in a traditional non-electric swing device, which is located on the lower side of the lower tray assembly and used for resetting the chair shell, occupy a smaller space and can adapt to various specifications of existing massage chairs better.

The invention provides a photo-thermal micro-flow mixer based on porous optical fibers. The photo-thermal micro-flow mixer is characterized by consisting of a section of porous optical fiber subjectedto micromachining treatment and a light source. The method comprises the following steps: a section of mixing chamber is prepared by processing a porous optical fiber through an air pressurization and hot melting heating method; the cladding between the air holes of the mixing chamber is expanded and thinned until complete hot melting disappears, the fiber core penetrates through the whole heating chamber and is suspended in the middle, and after various liquids enter the mixing chamber at the same time, molecules move in an accelerated manner due to heat radiation of the optical fiber core suspended in the mixing chamber to micro-flow liquids, so that the purpose of mixing is achieved. The porous optical fiber photo-thermal microfluidic mixer capable of being used for the microfluidic chip is simple to prepare, good in consistency, convenient to use in cooperation with the microfluidic chip, convenient and rapid to connect with a light source and suitable for large-scale mass production.

The invention discloses an excrement processing system, which comprises a toilet stool, a plurality of processing devices and a reversing device, wherein the inlets of the plurality of the processing devices are connected to the toilet stool by virtue of a multi-way pipe; and the reversing device and the multi-way pipe are connected, so that the toilet stool is controlled to communicate with the inlet of at least one of the plurality of processing devices. The excrement processing system disclosed by the invention can increase the processing capacity of a single toilet stool. Moreover, since the plurality of the processing devices can be used in turn, the processing device, which is full of excrement, is kept under a locked state, so that the excrement processing system is sufficient in processing time and high in excrement processing completion rate.

The invention discloses an LED integrated light source module. The LED integrated light source module at least comprises a COB light source, a driving plate and a heat transfer plate, wherein the driving plate is arranged above the COB light source, and the heat transfer plate is arranged below the COB light source. The COB light source comprises a light source substrate and a light-emitting zone. A bonding pad is arranged on the light source substrate. One or more LED chips are arranged on the light-emitting zone. A through hole is formed in the position, corresponding to the light-emitting zone, of the driving plate. Light of the LED chips can penetrate out of the through hole. The driving plate is at least provided with a bonding pad, a driving circuit and a power module. The bonding pad of the driving plate corresponds to the bonding pad of the light source substrate. The driving plate and the light source substrate are connected through a welding piece or a connecting piece to form an integrated structure so that the LED chips can be electrically connected with the driving circuit. The power module can provide electric supply to the LED chips to be used as a power source. By the adoption of the LED integrated light source module, the structure is novel and simple, the cost is moderate, multiple functions are achieved, the integration degree is high, the unit area value is high, and the high intelligence and high power are achieved.

The invention belongs to the technical field of organic synthesis, and particularly relates to a preparation method of a beta2-amino acid derivative. The preparation method comprises the following steps: taking alpha-aminomethyl silicon, olefin and aryl (or heteroaryl) halide as raw materials, in the presence of a specific ligand structure and a solvent, under the protection of a protective gas, illumination and the synergistic catalysis of a photocatalyst/transition metal catalyst, carrying out a one-step reaction, and then separating and purifying to obtain the beta2-amino acid derivative. The reaction selectivity is good, and the substrate universality is high, so that the technical problems of tedious steps, harsh reaction conditions, relatively poor compatibility of reaction functional groups, low yield and the like in the preparation method of the beta2-amino acid derivative in the prior art are solved.

The invention provides a photo-thermal booster based on a porous optical fiber. The photo-thermal booster is characterized by consisting of a section of micro-machined porous optical fiber and a lightsource, wherein the porous optical fiber is machined and prepared into a shape similar to an injection pump, a solid single-core optical fiber end is formed at one end of the porous optical fiber, then a nearly spherical heating chamber is prepared through an air pressurizing and heating method, cladding between air holes of the heating chamber expands and becomes thin until being completely hot-melted and disappearing, and a fiber core penetrates through the whole heating chamber and is suspended in the middle. A micro-flow liquid micropore is prepared on the outer surface of the heating chamber by adopting a femtosecond punching processing technology to serve as a liquid inlet, and a Laval nozzle is prepared at an open end by adopting a unilateral hot melting tapering method and is connected with a micro-flow channel in a micro-fluidic chip required to be used. The porous optical fiber photo-thermal booster capable of being used for the micro-fluidic chip is simple to prepare, goodin consistency, convenient to embed in the chip, convenient and fast to connect with the light source, and suitable for large-scale mass production.