64results about How to "Effective accommodation" patented technology

The invention provides a front-open type disc plate box, comprising a box body, wherein, one side surface of the box body is provided with an opening; the inner part of the box body is provided with plural slots which can accommodate plural disc plates; and a door body is utilized to combine with the opening of the box body to protect the disc plates inside the slots. The invention is characterized in that at least one bolt structure is collocated between the outer surface and the inner surface of the door body. The bolt structure comprises a cam and a pair of sliding devices, wherein, the camis provided with a pair of arc-shaped glide slots which are used for fastening a guide rod on one end of the sliding device; each sliding device is provided with a sliding groove which is used for the embedment of the pulley wheels arranged between the outer surface and the inner surface of the door body, to ensure that forward and backward back and forth movement of the other end of the slidingdevice can be carried out by rotating the cams.

The invention provides a novel antibacterial electronic cigarette appearance material and a preparation method thereof. Tetraethoxysilane and sodium metaaluminate are used as raw materials, water is used as solvent, and under the template action of tripropyl ammonium hydroxide and tripropyl ammonium bromide, a nano silicon aluminum zeolite material of a cellular structure is prepared through molecular self-assembly. The cellular nano zeolite is soaked in a silver nitrate solution after high-temperature calcination, and silver-loaded nano zeolite is obtained. After the surface of the silver-loaded nano zeolite is subjected to organic modification, the silver-loaded nano zeolite is added into polyethylene (PE), polypropylene (PP) and butadiene-acrylonitrile-styrene resin (ABS) through a melt blending method, and accordingly the nano silver-loaded zeolite / plastic composite antibacterial material is prepared. The raw materials of the antibacterial material are simple and easy to obtain, the technical route is mature, the antibacterial material can be used as a novel antibacterial electronic cigarette sleeve material and play the effect of bacteriostasis in the repeated use process of electronic cigarettes, and the phenomenon that bacterium growth impairs the good health of electronic cigarette users is avoided.

The invention discloses a method for learning function hierarchy embedding representation in a source code in a hyperbolic space. The method comprises the following steps: S1, data collection and construction stage, S2, a Richi curvature analysis stage; S3, a Poincare model learning function embedding representation stage., The latest data mining technology, dimension reduction technology, deep learning processing technology and visualization technology are applied to hyperbolic space function embedded learning, and mass data, such as source code data can be effectively contained; data dimension reduction is efficiently and accurately achieved, and then hierarchical information is visually analyzed..

The invention relates to a protection-type gauze mask. The protection-type gauze mask comprises a gauze mask body, ear bands and a breather valve arranged on the gauze mask body, and the gauze mask body comprises a face layer, a bottom layer and a filter layer sandwiched between the face layer and the bottom layer. The protection-type gauze mask has the advantages that when a wearer uses the protection-type gauze mask, the breathing resistance is small, breathing is smoother, and the comfort degree of the wearer is improved.

The invention provides a solder mask hole-plugging structure and a hole plugging method thereof. The solder mask hole-plugging structure comprises a PCB substrate and a solder mask screen plate; the PCB substrate comprises a through hole; one end of the through hole is provided with an S-side open window, and the other end of the through hole is provided a C-side open window; a screen hole is formed in the screen plate; the diameter of the through hole is d; the diameter of the S-side open window is d; the diameter of the C-side open window ranges from 0.8d to 0.9d; the diameter of the screenhole is d; the screen hole is aligned with the S-side open window; the through hole is filled with solder mask from the S-side open window through the solder mask screen plate; and the PCB substrate is baked. With the solder mask hole-plugging structure and the hole plugging method thereof of the invention adopted, the solder mask can be effectively accommodated and borne; pressure of two ends ofthe solder mask can be effectively balanced, so that the solder mask can smoothly enter the through hole, and therefore, the saturation of the hole-plugging of the solder mask can be ensured; and thesolder mask will not be abnormally expanded due to pressure imbalance, so that it can be effectively ensured that the solder mask will not linger on the tin side of a PCB, and therefore, the quality of the hole-plugging of the PCB can be significantly improved.

An axle box external subway bogie with an integrated swing bolster and a hoisting support device belongs to the field of railway vehicle bogie devices and comprises a framework, the swing bolster, a wheel set device, a trapezoidal axle box device and a secondary suspension system. A cross beam and a side beam of the framework are of a box-shaped structure. The cross beam upper cover plate also serves as a side beam middle upper cover plate, a motor lifting seat upper cover plate and a gear box lifting seat upper cover plate, and the cross beam lower bottom plate also serves as a side beam middle lower bottom plate, a motor lifting seat lower bottom plate and a gear box lifting seat lower bottom plate; and trapezoidal axle box devices are arranged on the outer sides of wheels of the wheel set devices, upper cover plates in the middles of side beams are fixedly connected with hoisting supporting devices, and side bearings with grooves are fixedly connected to the tops of swing bolsters. The number of welding seams is effectively reduced, stress concentration is reduced, the efficiency of car falling and overhauling procedures is improved, and the overhauling and debugging process of height matching and leveling of the swing bolster and the car body floor end face and the platform after wheel turning is remarkably improved; and the wheel can be effectively protected, and the service life of the side bearing is long.

The invention relates to a front open type wafer box with a latch and an airtight structure, mainly comprising a box body and a door body, wherein the box body is internally provided with a pluralityof slots for placing a plurality of wafers; an opening is formed on one side of the box body and used for the input and output of the plurality of the wafers; the door body is provided with an external surface and an internal surface; and the internal surface of the door body is combined with the opening of the box body to protect the plurality of the wafers placed in the box body. The front opentype wafer box is characterized in that the door body is internally provided with at least a latch structure, and the periphery of the internal surface of the door body is provided with an inflatableairtight piece.

The invention relates to the field of hydraulic cylinder manufacturing, in particular to a lug ring type hydraulic cylinder displacement sensor installation structure. The lug ring type hydraulic cylinder displacement sensor installation structure comprises a lug ring cylinder barrel; the end portions of the two sides of the lug ring cylinder barrel are fixedly installed together with a cylinder bottom and a cylinder bottom lug ring correspondingly; a hollow cavity is formed among the inner side end face of the cylinder bottom lug ring, the inner side end face of the lug ring cylinder barrel and the inner side end face of the cylinder bottom and is internally used for containing an electronic head of a displacement sensor; a through groove is manufactured in the side wall of the end portion, on the same side as the lug ring cylinder barrel, of the cylinder bottom lug ring, communicates with the hollow cavity and is used for a terminal of the contained electronic head to stretch out; the induction end of the displacement sensor is installed together with a piston and a piston rod of a hydraulic cylinder; the end face, located on the same side as the lug ring cylinder barrel, of the cylinder bottom is rotationally provided with a side end portion of an adjusting end cover through a spigot; a thread is manufactured on the other side end portion of the adjusting end cover; the adjusting end cover is fixedly installed together with the electronic head through the thread; a through hole is manufactured in the inner edge of the adjusting end cover; and the interior of the through hole is used for the induction end of the contained displacement sensor to stretch out.

The invention relates to the field of hydrogen conveying pipelines, in particular to a composite pipeline device for hydrogen conveying and capable of monitoring hydrogen leakage in a full-pipeline mode in real time and a method for monitoring hydrogen leakage in the full-pipeline mode. The novel composite pipeline structure for hydrogen conveying comprises a plastic pipeline, a polyurethane foaming layer and a plastic protection layer, and the plastic pipeline, the polyurethane foaming layer and the plastic protection layer are sequentially arranged from inside to outside. The invention also provides a monitoring system formed by arranging sensors at specific positions by using the composite pipeline device, and provides a monitoring method for a real-time hydrogen conveying pipeline, so that real-time full-pipeline monitoring of the hydrogen conveying pipeline is realized. The composite pipeline for hydrogen conveying can effectively prevent hydrogen leakage and diffusion, reduces hydrogen conveying loss caused by leakage, slows down the situation that hydrogen leaks into air, improves the safety coefficient, avoids the situation that a sensor cannot detect the situation due to the fact that hydrogen escape is too fast and the hydrogen concentration is too low, and improves the safety coefficient. And effective monitoring of the whole pipeline is realized.

The invention discloses a power cable sheath material, which comprises the following raw materials by weight: 20-50 parts of tetrapropyl fluoro elastomer, 30-60 parts of high density polyethylene, 4-16 parts of polypropylene, 1-2 parts of N,N'-m-phenylene bismaleimide, 0.2-0.6 part of cumene peroxide, 0.2-0.6 part of triallyl isocyanurate, 15-35 parts of modified silk fiber, 5-15 parts of nano titanium dioxide, 50-60 parts of white carbon black, 20-40 parts of nano calcium carbonate, 10-30 parts of calcined clay, 1-3 parts of a silane coupling agent, 0.5-1.5 parts of stearic acid, 1-2 parts of magnesium oxide, 0.4-0.9 part of simethicone, 0.4-0.9 part of PE wax, 0.2-1.2 parts of an antioxidant NBC, and 0.2-1.2 parts of an antioxidant RD. The power cable sheath material has good waterproof and thermal stability, excellent ageing resistance and no environment pollution after discarding.

The invention discloses a health-care kudzu vine root granule product. The health-care kudzu vine root granule product is characterized by being prepared from, by percentage of the total content, 45-55 parts of kudzu vine root powder, 6-12 parts of Chinese yam, 2-4 parts of coix seed powder, 4-6 parts of lotus seed powder, 12-17 parts of tuckahoe powder and 20-30 parts of white sugar. A preparation process of the health-care kudzu vine root granule product is characterized by including the following steps of 1 raw material selection, 2 kudzu vine root peeling and micro-smashing, 3 raw material mixing, 4 stirring and 5 extrusion for granulation. The health-care kudzu vine root granule product has the following advantages of decreasing internal heat, clearing damp, having the obvious inhibitory effect on oral ulcers and throat swelling and sore caused by the internal heat in the body and effectively relieving pain. Stubborn oil dirties of the intestines and stomach and diarrhea caused by dampness-heat of large intestines are effectively absorbed, large intestine peristalsis is promoted, and stool formation and defecation are promoted.

The invention relates to a front-open wafer box which mainly comprises a box body and a door body. A plurality of slots are arranged in the box body to accommodate a plurality of wafers, and an opening is formed at a side surface of the box body so as to input and output the plurality of wafers; and the door body is provided with an external surface and an internal surface, and has the function ofprotecting the plurality of wafers inside the box body by combining the internal surface with the opening of the box body. The front-open wafer box is characterized in that the door body is providedwith a sunken area integrally on the internal surface in order to divide the internal surface into two convex platforms; a limiting piece module is formed on each of the two convex platforms; each limiting piece module comprises a base; a plurality of grooves which are arranged at intervals are arranged on the base and are contacted with the plurality of wafers via the plurality of grooves.

The invention provides a modified coco coir loaded nano zero-valent iron composite material. Modified coco coir is used as a loading base material; nano zero-valent iron is embedded in pores of the modified coco coir, gelatin colloid wraps the nano zero-valent iron, and a preparation method comprises the following steps: 1) selecting coconut shells, cleaning the coconut shells with water, and crushing the coconut shells into particles with a certain particle size by adopting a crushing machine; 2) drying the obtained coco coir, and putting the coco coir into a microwave expansion furnace for puffing treatment to obtain puffed coco coir; 3) adding a FeSO4 solution according to a certain weight ratio, adding an organic solvent and a dispersing agent, and uniformly stirring; 4) adding a certain amount of NaBH4 into the solution obtained in the step 3), quickly stirring, and filtering; 5) washing the obtained composite material with deionized water and an organic solvent respectively, andthen putting the composite material into a vacuum drying oven for drying to obtain the composite material. The coco coir used in the method is wide in source, and the method is easy and convenient tooperate, low in cost, capable of effectively treating low-concentration uranium-containing wastewater and suitable for large-scale production, and is suitable for large-scale production.

The invention discloses a front-opened wafer box, which mainly comprises a box body, and a door body, wherein a plurality of slots for accommodating a plurality of wafers are formed in the box body, and an opening is formed on one side of the box body for inputting and outputting a plurality of wafers. The door body comprises an external surface and an internal surface, is combined with the opening of the box body by the internal surface and is used for protecting the plurality of wafers in the box body. The front-opened wafer box is characterized in that: at least one restriction part module is assembled on the internal surface of the door body and has a base which is provided with a plurality of restriction parts arranged at intervals and a hole, and the internal surface of the door body is provide with a resisting and fixing part, so that the resisting and fixing part is resisted and fixed on the restriction part module after penetrating the hole of the restriction part module and the base thereof and rotating the restriction part module an angle.

The invention discloses a sectionally-rotated power strip which is formed by several single-section sockets. One end of a single-section socket is provided with a convex circular interface, and the other end of the single-section socket is provided with a concave circular interface. The plurality of single-section sockets are connected through the convex circular interfaces and the concave circular interfaces. The single-section socket is also provided with a button switch, an indicator light and power jacks. The convex circular interface and the concave circular interface are provided with a speed limiting device. According to the invention, position of the jacks are dispersed, power plugs having large volumes are effectively contained, and service efficiency of the power strip is raised.

The invention discloses a deep cylinder piece high-thinning-rate deep drawing technology, and belongs to the technical field of plastic material processing. The deep cylinder piece high-thinning-ratedeep drawing technology comprises the three steps of preliminary forming, pre-thinning and stepped forming. During pre-thinning and stepped forming, a high-thinning-rate deep drawing die is adopted for deep drawing, the possibility of quality defects of workpieces can be reduced, and during stepped forming in the last stage, the segmented deep drawing thinning manner is adopted for the workpiecesin the technology, the quality defects caused by the excessive deep drawing depth are effectively overcome, and accordingly a thin-wall deep cylinder piece with the high thinning rate can be obtainedthrough deep drawing.

The invention discloses an electrostatic self-assembly spherical molybdenum trioxide / MXene composite material as well as a preparation method and application thereof. The composite material is prepared by the following steps: dissolving soluble molybdenum acetylacetonate in ethanol, stirring to obtain a mixed solution, carrying out solvothermal reaction at 150-280 DEG C, cooling along with a furnace, washing, filtering, drying, and calcining at 400-600 DEG C to obtain a solid A; adding the solid A into a polydiallyldimethylammonium chloride solution, stirring, and centrifugally washing to obtain a solid B; dropwise adding an MXene aqueous solution into the solid B aqueous solution, stirring, standing, carrying out centrifugal washing, and carrying out freeze drying to obtain a solid C; andunder the protection of nitrogen, calcining the solid C at 400-600 DEG C to obtain the material. The composite material is self-assembled on an MXene nanosheet matrix through electrostatic interaction, the matrix can effectively accommodate the volume effect of molybdenum trioxide in the charging and discharging process, and the composite material has excellent charging and discharging cycle performance, rate capability and high initial coulombic efficiency.

The invention relates to a cholesteric liquid crystal structure color material. The cholesteric liquid crystal structure color material is a sol emulsion formed by uniformly dispersing cholesteric liquid crystals in a polyvinyl alcohol and cationic starch sol system. The invention also provides a preparation method of the cholesteric liquid crystal structure color material. The invention also provides an application of the cholesteric liquid crystal structure color material in image-text printing. The cholesteric liquid crystal structure color material can form a uniformly distributed liquid crystal sol emulsion system, the preparation process is simple, the cost is low, and when the cholesteric liquid crystal structure color material is applied to printing ink, the printing ink can have excellent printability and film-forming property.

A passive optical network includes a central office (200) and a subscriber-side apparatus (310) connected with the central office (200) through an optical fiber link (300). The subscriber-side apparatus (310) performs communication with the central office (200) based on wavelength-division-multiplexed optical signals. The central office has a routing section (210), provided with first to fourth multiplexing ports (L1,RN,LN,R1), for demultiplexing multi-wavelength light inputted from the fourth multiplexing port (R1) into a plurality of channels (L1,LN,1). Each of the demultiplexed channels (L1,LN,1) is amplified and multiplexed for output through the first multiplexing port (L1). Optical signals inputted through the third multiplexing port (LN) are demultiplexed and outputted upstream. The routing section also multiplexes channels for downstream optical signals, outputting the multiplexed channels through the second port (RN). A splitting section (250), provided with first to third splitting ports and arranged on a loop optical waveguide connects the first (L1) and fourth (R1) multiplexing port with each other. The splitting section (250) causes some of multi-wavelength light inputted into the first splitting port to be outputted through the second splitting port and causes the remainder of multi-wavelength light to be outputted through the third splitting port connected with the fourth multiplexing port (R1). A circulator (260) causes the multi-wavelength light inputted through the second splitting port to be transmitted to the subscriber-side apparatus (310) and causes upstream optical signals received from the subscriber-side apparatus (310) to be outputted to the third multiplexing port (LN).

The invention provides preparation and application of a lithium-sulfur battery positive electrode composite material. A titanate precursor is synthesized by a simple one-step hydrothermal method; titanate is stirred for 7 to 8 days in water bath with the temperature of 60 to 80 DEG C to synthesize anatase-phase TiO2 mesocrystal; and TiO2 mesocrystal and S are compounded to prepare the lithium-sulfur battery positive electrode material. A lithium-sulfur battery obtained by the prepared TiO2 mesocrystal and S composite material serving as a positive electrode has excellent cycle stability, wherein the capacity maintains to be 327.4 mAh / g when the lithium-sulfur battery performs charging and discharging circulation for 500 circles and the current density is 1670 mA / g; and the average capacity of each circle is only 0.085 percent.

The invention discloses a self-fire-extinguishing cable in the field of wires and cables. The self-fire-extinguishing cable comprises a conductor, the outer side of the conductor is wrapped with an insulating layer, a sheath is processed outside the insulating layer, the sheath comprises a plurality of air bag strips which are annularly and uniformly distributed, first air cavities are formed in the air bag strips, and the first air cavities are filled with inert gas. The cable can effectively solve the problems that in the prior art, the fireproof and flame-retardant performance of a cable still has defects, burning of wires and cables cannot be effectively and reliably avoided, and fire spreading cannot be effectively avoided in time.

The invention discloses the hardware architecture of a binary weight convolution neural network accelerator and a calculation process thereof. The hardware architecture comprises three double-ended on-chip static random access memories which are used for buffering the binary weight of input neurons and a convolution layer, four convolution processing units capable of controlling calculation parts to complete major convolution calculation operation according to the calculation process, a feature map accumulation unit and a convolutional accumulation array. The feature map accumulation unit and the convolutional accumulation array are used for further processing the operation result of the convolution processing units to acquire a final correct output neuron value. The entire design exchanges data with an off-chip memory via a dynamic random access memory interface. In addition to the hardware architecture, the invention further provides the detailed calculation process which optimizes the hardware architecture and uses four lines of input feature map as a complete calculation unit. According to the invention, input data are reused to the greatest extent; the access of the off-chip memory is eliminated as much as possible; the power consumption of the deep binary convolution neural network calculation can be effectively reduced; a deep network is supported; and the scheme provided by the invention is a reasonable scheme which can be applied to an embedded system of visual application.

The invention discloses a metal pipe coating with the excellent mechanical property. The metal pipe coating is prepared from, by weight, 10-20 parts of bisphenol-F epoxy resin, 10-20 parts of phenolic epoxy resin, 5-18 parts of waterborne amino resin, 8-16 parts of modified corn protein powder, 1-4 parts of ultrafine talc powder, 1-4 parts of calcined clay, 1-2 parts of barium sulfate, 2-8 parts of grapheme, 2-4 parts of zeolite powder, 2-6 parts of dimethylethanolamine, 1-2 parts of a coalescing agent, 5-15 parts of polyvinyl alcohol, 1-2 parts of mildew preventive, 1-2 parts of a wetting agent, 1-2 parts of a dispersing agent, 1-2 parts of an antibacterial agent, 20-40 parts of water and 2-6 parts of glacial acetic acid. The metal pipe coating is good in mechanical property and excellent in adhesive property and has the extremely good wear resistance and spreadability.

The invention provides a high-intensity clearance type super heat-resistant aluminum alloy conducting wire, which relates to the power transmission and distribution equipment and includes a steel core stranded by high-intensity steel wires and a super heat-resistant aluminum ally solid wire stranded and wrapped at the periphery of the steel core. The surface of the steel core is enwound and wrapped by bowline, the aluminum solid wire is stranded and wrapped on the external surface of the bowline; a clearance is arranged between the steel core and the bowline, which is filled with anticorrosive and heat-resistant ointment. The equipment has the beneficial effect that the transmission capacity is enhanced, the intensity conservation rate is kept to be more than 90%, the service life is prolonged remarkably and the intensity is high because of the adoption of the special high-intensity galvanized wire; the inner layer conductor of the wire adopts bow-type structure, which can effectivelycontain the anticorrosive and heat-resistant ointment and has remarkable effect on reducing sag.

The invention discloses a try-on data statistics system. The try-on data statistics system is characterized by comprising a placement table for placing articles, wherein a shooting plate is arranged on the placement table; a shooting area is arranged on the shooting plate; a supporting rod is arranged on the placement table; a camera for shooting clothes is arranged on the supporting rod; a start button for controlling the camera to shoot and identify is arranged on the side surface of the shooting plate; a display for displaying statistical data is also arranged on the placement table; the display is in communication connection with the camera; and when the camera shoots the clothes, the camera transmits information to the display. The data statistics system can perform big data statistics on the requirements and preferences of customers' clothes, and timely provide user data for enterprises, thereby helping the enterprises to better occupy the market.

A recording apparatus performs bit rate conversion on an input stream and records the input stream with additional data such as captions and a weather forecast left therein into a recording medium in consideration of the remaining capacity thereof. A recording apparatus (10) performs bit rate conversion on an input stream including video data, voice data and additional data and records the converted input stream. The recording apparatus (10) comprises a control unit (15) which calculates a target total bit rate which is a target of the input stream on the basis of the recording time of the input stream and the remaining capacity of the recording medium and sets a target bit rate of the video data with respect to the calculated target total bit rate and a transcoder (13) which measures an actual total bit rate of the input stream after starting the bit rate conversion on the basis of the target bit rate of the video data. The control unit (15) adjusts the target bit rate of the video data on the basis of the difference between the actual total bit rate and the target total bit rate so that the input stream including the additional data may fall within the remaining capacity of the recording medium.

The invention discloses a method for learning the function level embedding representation in the source code in the hyperbolic space, the method has the following steps: S1, data collection and construction stage: S2, Ridge curvature analysis stage: S3, Poincaré model learning Function embedding representation stage: the present invention applies the latest data mining technology, dimension reduction technology, deep learning processing technology, and visualization technology to hyperbolic space function embedding learning, which can effectively accommodate massive data, just like source code data; efficient and Accurately achieve data dimensionality reduction, and then visualize and analyze hierarchical information.

The invention discloses a front-opened wafer box, which mainly comprises a box body, and a door body, wherein a plurality of slots for accommodating a plurality of wafers are formed in the box body, and an opening is formed on one side of the box body for inputting and outputting a plurality of wafers. The door body comprises an external surface and an internal surface, is combined with the opening of the box body by the internal surface and is used for protecting the plurality of wafers in the box body. The front-opened wafer box is characterized in that: at least one restriction part moduleis assembled on the internal surface of the door body and has a base which is provided with a plurality of restriction parts arranged at intervals and a hole, and the internal surface of the door body is provide with a resisting and fixing part, so that the resisting and fixing part is resisted and fixed on the restriction part module after penetrating the hole of the restriction part module and the base thereof and rotating the restriction part module an angle.

The invention discloses a novel take-out meal box. The meal box comprises a meal box connecting surface, a meal box cover and a meal box body, one side of the meal box connecting surface is hinged tothe meal box cover, the meal box connecting surface is connected with the meal box body, and two first openings and two second openings are formed in the meal box connecting surface; the two first openings are formed diagonally, the two second openings are formed diagonally, and a communicating opening communicated with the meal box body is formed in the center of the meal box connecting surface;a clamping groove is formed in the outer ring of the communicating opening, the meal box cover is provided with first insertion covers corresponding to the first openings, and the meal box cover is provided with second insertion covers corresponding to the second openings; a buckle corresponding to the clamping groove is arranged in the center of the meal box cover. According to the meal box, a staple food box and a vegetable box are separately designed so that the meal box can effectively contain vegetables and staple food; the openings and a containing groove are designed so that other accessories for catering can be placed in the meal box, and the space occupied by accessory tableware is reduced; the meal box is opened and closed through a zipper, so that the meal box is convenient to open and close.

The invention discloses an improved annular fuel element of a supercritical water reactor and a fuel component consisting of the fuel element. The improved annular fuel element comprises an inner wrapping shell and an outer wrapping shell coaxial with the inner wrapping shell, wherein granular fuel is filled between the inner wrapping shell and the outer wrapping shell; and a heat isolation coating layer is also arranged between the granular fuel and the inner wrapping shell. The fuel component consists of the annular fuel element, an upper heat isolation plate, a lower heat isolation plate, an upper flow guide plate and a lower flow guide plate which are matched with one another; a moderator on the inner side of the annular element and a coolant which is arranged on the outer side and flows in an opposite direction can be effectively shunted; no special control stick guide pipe is arranged in the component, so that the structural design of the component is simplified, the using amount of structural materials is reduced, and the economical property is improved; the advantages of uniformity in moderation of the annular fuel element, heat transmission on both sides, low fuel temperature and the like are fully developed; the engineering application feasibility is greatly improved; and therefore, the supercritical water reactor with relatively high economical property and safety can be designed.