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59results about How to "Uniform position" patented technology

Multifaceted reflecting mirror, illumination optical system based on use of the same, and semiconductor exposure apparatus

A multifaceted reflecting mirror is provided with a plurality of reflecting mirror elements 10 and a base plate 13 for magnet, each of the plurality of reflecting mirror elements 10 comprising a reflecting surface 19 and a magnetic film 17 formed on a bottom surface. The respective reflecting mirror elements 10 can be positioned highly accurately on the base plate 13 by using a positioning guide 15. The maintenance operation is easily performed as well, because the respective reflecting mirror elements 10 are detachable. When the multifaceted reflecting mirror is used in combination with another multifaceted reflecting mirror for an illumination optical system of a reflection type exposure apparatus which uses, as an exposure light beam, a light beam having a short wavelength such as soft X-ray, it is possible to illuminate an exposure area on a substrate with the light beam having an extremely uniform illumination intensity.
Owner:NIKON CORP

Method for preparing plurality of layers of superfine silicon lines

The invention relates to a method for preparing a plurality of layers of superfine silicon lines. The method comprises the following steps: preparing a silicon etching masking layer; extending to form Fin and source drain regions on two ends of the Fin; and forming the plurality of layers of superfine silicon lines. The method has the advantages that the positions of the superfine lines can be accurately defined through the deposition of an atomic layer, and the controllability is good; the anisotropy etching on silicon stops automatically, a process window is large, and the sections of nano lines obtained by etching are uniform and smooth in appearance; the process for forming a plurality of layers of side wall etching masks by a method of firstly preparing masks and then extending a channel is simple, and the plurality of layers of side wall masks can be obtained only by one etching of the extension window regardless of the number of masking layers; the lines with sizes of less than 10nm can be prepared by combining oxidization technology, thus meeting the requirement of the key process of small-sized devices; polycrystalline silicon can be subjected to wet etching with a TMAH solution, and the operation is simple, convenient and safe; metal ions are not introduced, and the method is applicable to the integrated circuit manufacturing technology; the method is entirely compatible with a bulk silicon planar transistor process, and the process cost is small.
Owner:PEKING UNIV

Apparatus for controlling high speed operation of motor and method thereof

A device and method for controlling high-speed operation of a motor, which control the high-speed operation of a motor by evaluating the rotor position and rotor speed of a synchronous motor, without the need for a PI (proportional plus integral) regulator, thereby eliminating user inconvenience and Ensures control of the rotor position and rotor speed of synchronous motors. The device includes: a coordinate system converter, which receives the triangular coordinate voltage and current, and converts them into static coordinate voltage and current; a magnetic flux observer, which receives the converted static coordinate voltage and current, and observes and outputs the stator magnetic flux ; a position estimator that receives the transformed static coordinate voltage and current and observed stator flux, and evaluates and outputs the rotor position; and a rotational speed estimator that receives the estimated rotor position, and evaluates and outputs the rotor rotational speed.
Owner:LG ELECTRONICS INC

Welding platform for anti-theft window

The invention discloses a welding platform for an anti-theft window. The welding platform comprises a frame body and a platform plate. The top of the frame body is fixedly provided with the platform plate in a welded mode. A front-rear positioning device is fixedly arranged on the lower side of the platform plate, and a left-right positioning device is arranged on the upper portion of the platformplate. An even positioning device is arranged on the lower portion of the platform plate, and a tool box is fixedly arranged on the right side of the middle of the frame body. An electrical box is fixedly arranged on the left side of the middle of the frame body, and travelling wheels are connected to and arranged at the bottom of the frame body through bolts. During using, rods of the anti-theftwindow are placed on the platform plate, thus it is ensured that a frame of the anti-theft window is mutually perpendicular through the front-rear positioning device and the left-right positioning device, and through the left-right positioning device and the left-right positioning device, handrails in the anti-theft window are evenly distributed; and the welding platform has the advantages of being simple in structure and convenient to use.
Owner:诸暨市云傲机械配件厂

Fungus bag punching machine for agricultural planting

The invention relates to a punching machine, in particular to a fungus bag punching machine for agricultural planting. The invention provides a fungus bag punching machine for agricultural planting, which is simple in operation and convenient to pick and place, and can automatically carry out punching. The fungus bag punching machine for agricultural planting comprises a bottom plate, a support seat, a clamping mechanism and a punching mechanism, wherein a rack is arranged at one side of the bottom plate; the support seat is arranged at the other side of the bottom plate; the clamping mechanism is arranged between the rack and the support seat; the punching mechanism is arranged between the rack and the support seat; and the clamping mechanism is located below the punching mechanism. The fungus bag punching machine clamps a fungus bag through the clamping mechanism and can quickly punch the fungus bag in the cooperation of the punching mechanism at the same time, and the punched holesare consistent in depths and uniform in positions; up-and-down movement of second inserting rods is achieved through the cooperation of shifting blocks and second fixing blocks, so that turnover of the fungus bag is facilitated; automatic turnover of the fungus bag when a second sliding block moves upwards is achieved through the cooperation of a clamping block and a ratchet wheel, so that manualturnover by people is not needed.
Owner:刘小红

Automatic pipe fitting feeding and grinding device

The invention discloses an automatic pipe fitting feeding and grinding device. The feeding and grinding device comprises a feeding device, a supporting device, a grinding device and a measuring device. The supporting device is located at the discharging end of the feeding device, and the grinding device is located above the supporting device; the measuring device is located at the discharging end of the grinding device; through the feeding device, automatic feeding is achieved, a supporting mechanism with the adjusting function is adopted, the structure is simple, operation is convenient, and the adjustable effect is achieved; a lifting device is arranged to enable a whole grinding head mechanism to be capable of vertically moving and moving laterally, use limitation is avoided, and after grinding, the measuring device enables a steel pipe to rotate during clamping through cooperation of a first clamping device and a second clamping device; and multi-angle measuring can be achieved, vibration and shaking of the steel pipe can be reduced, and a bearing plate is arranged, so that the steel pipe is placed more stably and is more accurately measured, error generation is reduced, and the steel pipe measuring effect is better.
Owner:RONGCHANG YONGXIN STEEL STRUCTURE PROCESSING FACTORY

Large-size light guide plate with lens array and processing method thereof

The invention provides a large-size light guide plate with a lens array and a processing method thereof. The light guide plate comprises a light incident surface and the lens array. A mode of staggered connection of multiple arc grooves and multiple arc columns is formed by the lens arrays through laser fusion processing. When laser light beams impact the light incident surface, one of the arc grooves is formed and fusion material is generated. Continuous parallel shift laser light beams impact again so that another arc groove is formed. The fusion material accumulates between the adjacent arc grooves and forms the arc columns after cooling. The impact conditions are defined as that the radius of each arc groove is 35-50 microns, and the molding conditions are that the radius of each arc column is 25-40 microns after fusion cooling. The laser light beams continuously impact repeatedly until the lens array is formed. Processing time can be greatly reduced through laser processing so as to achieve the objective of mass production. Meanwhile, the lens array of the concave-convex arc connection mode can be accurately obtained.
Owner:苏州茂立光电科技有限公司

Multiple crystal bar paralleled laser amplifier gain medium

The invention discloses a multiple crystal bar paralleled laser amplifier gain medium. A plurality of laser crystal bars are paralleled to amplify the area of the cross section of a laser grain medium, and the cooling and heat dissipation can be carried out through a central channel and slots among the plurality of laser crystal bars. The invention has the characteristics of good optical homogeneity, low cost and good heat dissipation performance in respect to a large-diameter solid round bar laser crystal; and the invention has the advantages of low cost and changeability of local damage in respect to a tubular laser gain medium formed by hollowing out the center of the large-diameter solid round bar laser crystal.
Owner:ELECTRONICS ENG COLLEGE PLA

Peanut seed sowing machine

The invention relates to the technical field of modern agricultural machinery, and discloses a peanut seed sowing machine which comprises a fixing frame. Fastening bolts sleeve the top of the fixing frame in a threaded manner, a fixing plate sleeves the end, which is positioned at the bottom of the fixing frame, of each fastening bolt in a threaded manner, the four fixing plates are equidistantlydistributed at the bottom of the fixing frame, fixing rods are fixedly nested in the middles of the fixing plates, the bottoms of the fixing rods are fixedly connected with the tops of plows, fastening nuts which are positioned below the fixing plates sleeve the fastening bolts in a threaded manner, and limit devices are nested in two sides of the top of the fixing frame in a threaded manner. Thepeanut seed sowing machine has the advantages that seed sowing discs, adjusting devices and fixing devices are used with one another, accordingly, the seed sowing quantities and speeds can be conveniently controlled, seeds can be uniformly sown in soil by the peanut seed sowing machine, the problems of waste of seeds and increase of the seed sowing cost due to the fact that the seed sowing quantities cannot be controlled by devices can be solved, and the seed sowing efficiency can be improved.
Owner:姚朝友

Novel pipe grinding and detecting device

The invention discloses a novel pipe grinding and detecting device. The novel pipe grinding and detecting device comprises a feeding device, a supporting device, a grinding device and a measuring device. The supporting device is located at the discharging end of the feeding device, and the grinding device is located above the supporting device; the measuring device is located at the discharging end of the grinding device; through the feeding device, automatic feeding is achieved, a supporting mechanism with the adjusting function is adopted, the structure is simple, operation is convenient, and the adjustable effect is achieved; and after grinding, the measuring device enables a steel pipe to rotate during clamping through cooperation of a first clamping device and a second clamping device; and multi-angle measuring can be achieved, vibration and shaking of the steel pipe can be reduced, and a bearing plate is arranged, so that the steel pipe is placed more stably and is more accurately measured, error generation is reduced, and the steel pipe measuring effect is better.
Owner:RONGCHANG YONGXIN STEEL STRUCTURE PROCESSING FACTORY

Method and device for multi-shaft coupling moment balance control based on position synchronization

The present invention provides a method and device for multi-shaft coupling moment balance control based on position synchronization. The method comprises the following steps: controlling a main shaft and a slave shaft to perform synchronous operation through the given value of the same position; determining the given value of an additional position according to the moment deviation values of the main shaft and the slave shift; and regulating the moment equalization of the main shaft and the slave shaft based on the given value of the additional position. The method and device for multi-shaft coupling moment balance control based on position synchronization can ensure the position synchronization and the moment equalization of the main shaft and the slave shift based on position synchronization control, and are suitable for and include but not limited to the machinery coupling conditions of pure rigid connection, pure flexible connection and semi-rigid connection.
Owner:SIEMENS FACTORY AUTOMATION ENG

Semiconductor structure and forming method thereof

A semiconductor structure comprises a semiconductor substrate and multiple layers of superfine silicon lines. Interface shapes of the multiple layers of superfine silicon lines are doubly controlled by a crystal orientation of the substrate and axial crystal orientations of the lines. A forming method of the semiconductor structure includes: forming a fin-shaped silicon island Fin and source drain areas at two ends of the silicon island via an etching technology; preparing a corrosion masking layer for silicon; forming multiple layers of superfine silicone lines. The semiconductor structure and the forming method there of have the advantages that the finally formed multiple layers of superfine silicon lines are uniform and controllable in positions and section shapes; self-stopping of aeolotropism corrosion, large technical windows and the silicon lines in different diameters on a same silicon slice are achieved; ICPECVD (inductively coupled plasma enhance chemical vapor deposition) is strong in narrow groove filling power, and no cavity is left when materials of a sacrificial layer and the corrosion masking layer are deposited; the lines smaller than 10nm in size can be prepared by combining an oxidization technology, requirements on key technologies for small-size devices are met; a processing method is implemented from top to bottom and compatible with a bulk silicon planar transistor technology, and technical cost is low.
Owner:PEKING UNIV

Device and method capable of automatically adding grinding fluid in grinding process

The invention provides a device and method capable of automatically adding a grinding fluid in the grinding process. The device comprises a visual processing system and a fluid adding device, wherein the visual processing system comprises a light source, a camera, a mainframe and a piece of visual processing software; the camera is fixed on a grinding-polishing machine through a support; the light source is arranged at the bottom of a lens of the camera and aimed at a machining area of the grinding-polishing machine; the visual processing software runs on the mainframe; the fluid adding device is fixed on the grinding-polishing machine; a fluid adding end of the fluid adding device is aimed at a workpiece to be machined; and the camera and the fluid adding device are connected to the mainframe. The device has high degree of automation and frees machining workers from repeated and monotonous work; the frequency of adding the grinding fluid is uniform, and machining parameters can be memorized and repeated, so that good machining consistency is achieved; and adding parameters of the grinding fluid is precisely controlled, which is conducive to improving the machining accuracy.
Owner:苏州超徕精工科技有限公司

Pipe grinding device

The invention discloses a pipe grinding device comprising a feeding device, a supporting device, a grinding device and a measuring device, wherein the supporting device is located at the discharging end of the feeding device; the grinding device is located above the supporting device; and the measuring device is located at the discharging end of the grinding device. Automatic feeding is realized through the feeding device; due to the adoption of a supporting mechanism with an adjusting function, the pipe grinding device is simple in structure and convenient to operate, and an adjustable effect is achieved; due to the arrangement of a lifting device, the whole grinding head mechanism not only can vertically move, but also can horizontally move, and service restrictions are avoided; the measuring device used after grinding is provided with a first clamping device, so that a steel pipe can rotate when being clamped, multi-angle measurement can be realized, and the vibration and shake of the steel pipe are reduced; and due to the arrangement of a bearing plate, the steel pipe is more stable and is more accurately measured, errors are reduced, and the steel pipe measuring effect is better.
Owner:RONGCHANG YONGXIN STEEL STRUCTURE PROCESSING FACTORY

Sealing double-layer heat reflection hollow glass and preparation method thereof

The invention provides a sealing double-layer heat reflection hollow glass. The sealing double-layer heat reflection hollow glass comprises an outer-layer glass body, a sealing adhesive piece, an inner-layer glass body, an aluminum strip and a hollow layer. The hollow layer formed through aluminum strip partition is arranged between the outer-layer glass body and the inner-layer glass body. The outer-layer glass body is mirror glass and stored outside the sealing double-layer heat reflection hollow glass. The sealing adhesive piece is stored outside the aluminum strip and seals the outer-layer glass body and the inner-layer glass body. The aluminum strip is stored between the outer-layer glass body and the inner-layer glass body and inside the sealing adhesive piece. The outer-layer glass body and the inner-layer glass body are connected through the adhesive piece in a sealed mode. According to the sealing double-layer heat reflection hollow glass, metal-plating oxide thin film mirror glass is adopted so that infrared rays can be better reflected; a drying agent is stored in the hollow aluminum strip, so that the large humidity caused due to the fact that the inner and outer temperatures of the double-layer glass are not even is prevented, and a better heat insulation effect is achieved; through the adhesive piece, uneven distribution of traditional glue is solved; and through an outermost sealing protecting bush, airtightness of the double-layer glass is further improved, and the most fragile corners of the double-layer glass are protected.
Owner:泰州市同裕节能门窗有限公司

Pipe grinding equipment

The invention discloses pipe grinding equipment. The pipe grinding equipment comprises a loading device, a support device, a grinding device and a measuring device; the support device is positioned at a discharge end of the loading device; the grinding device is positioned above the support device; and the measuring device is positioned at a discharge end of the grinding device. The pipe grinding equipment realizes automatic loading through the loading device, adopts the support mechanism with an adjusting function to achieve the effects of simple structure, convenience for operation and adjusting capacity, and is provided with the lifting device for enabling a whole grinding head mechanism to move up, down, left and right to prevent use limitations; after grinding, the measuring device can rotate steel pipes to perform multi-angle measurement during clamping through matching between a first clamping device and a second clamping device, and the vibration and the shaking of the steel pipes are reduced; and a bearing plate is arranged for enabling the steel pipes to become more stable and the measurement of the steel pipes to become more accurate, so that the generation of errors is reduced, and the measuring effect of the steel pipes is better.
Owner:RONGCHANG YONGXIN STEEL STRUCTURE PROCESSING FACTORY

Spiral type leaf throwing roller for wind separating warehouse

The invention relates to a spiral type leaf throwing roller for a wind separating warehouse. The spiral type leaf throwing roller comprises a plurality of blades, a roller cylinder and a shaft; the multiple blades are arranged on the outer circumferential surface of the roller cylinder, and the shaft is arranged at the position of the central axis of the roller cylinder in a penetrating mode; themultiple blades are arranged in the direction of spiral lines of the roller cylinder in sequence, the spiral lines, treating the midpoint of the roller cylinder as a boundary, rotate leftward from oneend of the roller cylinder and rotate right ward in the opposite direction from the other end of the roller cylinder, and the spiral lines intersect to one point at the midpoint of the roller cylinder; and the multiple blades rotate leftward along the spiral lines at the end of the roller cylinder, and rotate rightward along the spiral lines at the other end of the roller cylinder. According to the spiral type leaf throwing roller for the wind separating warehouse, the leaf throwing roller is of a hollow structure and has low weight, and the load of a driving motor is reduced; and in addition, the positions of thrown materials can be more uniform, the wind separating effect is improved, and the leaf containing rate in stalks is reduced.
Owner:HONGTA TOBACCO GRP

Greenhouse planting warm air equipment for seedling raising and heating and operation method thereof

The invention discloses greenhouse planting warm air equipment for seedling raising and heating and an operation method thereof. The equipment comprises a supporting platform, sleeving discs, extending platforms and supporting rods, wherein the supporting platform is obliquely arranged, and the sleeving discs sleeve the supporting platform. The equipment has the advantages that the equipment movably blows warm air into a greenhouse, so that the coverage of an area into which the warm air is blown in the greenhouse is more uniform and comprehensive, the heating quality of the equipment for the greenhouse is improved, the working automation degree of the equipment is higher at the same time, and time and labor are saved when the equipment is used. The sleeving discs are connected into screw holes in the two ends of each mounting ring through the bottoms of two screw bolts respectively, the sleeving discs and the supporting platform are connected during mounting, and it is ensured that people can mount any sleeving disc of different sizes to heat greenhouses according to the actual heating demands of the greenhouses different in area, so that the use flexibility is guaranteed.
Owner:山东润鹏种苗有限公司

Composite material long beam strength test device

The invention belongs to the technical field of composite material tests, and particularly relates to a composite material long beam strength test device. The device includes a long beam fixing device (1), a loading device (2), an actuator fixing device (3), a long beam lateral restraining device (4) and a supporting frame (5). According to the invention, the clamping ends at the two ends of the test piece can uniformly bear the load, and meanwhile, the influence on test loading caused by large bending deformation of the long beam after loading is avoided, the test loading direction is ensured, and the accuracy of the test result is improved; the roller diameter is designed according to the predicted deformation of the test piece, so that the loading direction is vertical to the test piece, and the test piece is uniformly stressed; by means of the actuator fixing device, it is guaranteed that the position and direction of the applied load are accurate.
Owner:CHINA HELICOPTER RES & DEV INST

Peeling machine for fresh broad bean processing

The invention discloses a peeling machine for fresh broad bean processing. The peeling machine comprises a machine body, an adjusting mechanism, an opening mechanism, a straightening mechanism and an extruding mechanism, wherein a driving motor is fixedly connected to the left side of the rear end of the machine body, a driving roller is fixedly connected to the tail end of a main shaft of the driving motor, a conveying belt is rotationally connected to the outer side of the driving roller, a driven roller is rotationally connected to the inner right side of the conveying belt, the end of the driven roller is rotationally connected with the machine body, a vibrating feeder is arranged on the upper side of the right end of the machine body, a storage hopper is arranged on the upper side of the vibrating feeder, a vibrating screen is arranged on the lower portion of the left side of the machine body, and a guide tray is fixedly connected to the left side of the upper end of the machine body. According to the peeling machine for fresh broad bean processing, through the arrangement of the adjusting mechanism, the opening mechanism, the straightening mechanism and the extruding mechanism, an automatic peeling function of broad beans can be achieved, human resources are saved, processing efficiency is improved, meanwhile, a breakage rate in a broad bean peeling process can be reduced, and a processing effect is improved.
Owner:邵席席

LED diffusion powder and preparation method and device thereof

The invention relates to the technical field of LED production, in particular to LED diffusion powder and a preparation method and device thereof.The LED diffusion powder comprises a screening box, a hopper, a mounting frame, a filter sieve, a spring, a pushing module, a vibration assembly, a crushing box, a crushing roller, a driving assembly, a first storage frame and a second storage frame, the hopper communicates with the screening box, and the mounting frame is arranged in the screening box; the filter sieve is fixedly connected with the mounting frame, one end of each spring is fixedly connected with the mounting frame, the other end of each spring is fixedly connected with the sieving box, the pushing module is fixedly connected with the sieving box, the vibration assembly is fixedly connected with the sieving box, the crushing box is communicated with the sieving box, and each driving assembly is arranged in the crushing box. The first storage frame is detachably connected with the crushing box, the second storage frame is detachably connected with the screening box, particles formed by adhesion of raw materials are treated through the structure, and the production quality of LED diffusion powder is improved.
Owner:DONGTAI TIANYUAN FLUORESCENT MATERIALS CO LTD

Cable reel

The invention discloses a cable reel, and relates to the field of cables. The cable reel comprises a shell, a cable reel assembly and a shifting assembly, wherein a wire inlet is formed in the side wall of the shell; the cable reel assembly is rotationally arranged in the shell, the cable reel assembly comprises a cable reel body and a motor, the motor is arranged at the top of the shell, and theextending end of the motor is inserted into the shell; the cable reel body is arranged at the end part of the motor and used for winding the cables; and the shifting assembly is used for controlling the cable winding position. Preferably, the cable reel body is fixedly connected to the motor. The problem of cable knotting is solved.
Owner:安徽瑞之星电子科技集团有限公司

Freely-adjustable novel pipe grinding system

The invention discloses a freely-adjustable novel pipe grinding system comprising a feeding device, a supporting device, a grinding device and a measuring device, wherein the supporting device is located at the discharging end of the feeding device; the grinding device is located above the supporting device; and the measuring device is located at the discharging end of the grinding device. Automatic feeding is realized through the feeding device; due to the adoption of a supporting mechanism with an adjusting function, the freely-adjustable novel pipe grinding system is simple in structure and convenient to operate, and an adjustable effect is achieved; through the match of a first clamping device and a second clamping device of the measuring device used after grinding, a steel pipe can rotate when being clamped, multi-angle measurement can be realized, and the vibration and shake of the steel pipe are reduced; and due to the arrangement of a bearing plate, the steel pipe is more stable and is more accurately measured, errors are reduced, and the steel pipe measuring effect is better.
Owner:RONGCHANG YONGXIN STEEL STRUCTURE PROCESSING FACTORY

Composite aerated brick material and brick production process thereof

InactiveCN107265990AProblems Affecting BrushingReduce layeringCeramicwareBrickAluminium powder
The invention discloses a composite aerated brick material and a brick production process thereof, which belong to the technical field of building bricks. The composite aerated brick material disclosed by the invention comprises fly ash, lime powder, and cement, and further comprises modified foaming powder, and the proportion of all the components is: fly ash : lime powder : cement : modified foaming powder equal to (70 to 75):(20 to 25):(5 to 8):(1 to 2); and the modified foaming powder consists of cement, starch, and aluminium powder, the weight ratio of which is (7 to 9):(4 to 6):(1 to 2). After the cement, the starch and the aluminium powder are mixed, the starch can adsorptively position the aluminium powder, the density of the starch and the aluminium powder is then neutralized by the cement, the layering of the thee is delayed in the subsequent stirring and pouring, the three cannot be layered as well in the process of quiescence for pre-curing, consequently, the objective of stable aeration position and uniform produced hole size is achieved, moreover, the unexpected technical effect of easy demoulding is also achieved, and the problem that the brushing of coating is affected by the demoulding agent of the surface of aerated bricks is also prevented.
Owner:MAANSHAN ZHICHENG SCI & TECH

Negative ion formaldehyde-removing odor-removing aqueous solution and preparation method thereof

The invention provides a negative ion formaldehyde-removing odor-removing aqueous solution and a preparation method thereof, and relates to the technical field of production and manufacturing of environment-friendly coatings. The negative ion formaldehyde-removing odor-removing aqueous solution comprises 30-50 parts of ammonium bicarbonate, 15-20 parts of sepiolite, 50-65 parts of deionized water,5-8 parts of calcium stearate, 6-10 parts of color-changing powder, 10-15 parts of a thickening agent and 10-15 parts of a tackifier, the thickening agent is a cellulose thickener, the tackifier is water-based tackifying resin, and the color-changing powder is a conventional pigment and can be specifically prepared according to customer indoor decoration colors. The formaldehyde removing agent disclosed by the invention forms a thin film after being coated on a wall surface, the coating wall surface can be sealed through the film, volatilization of formaldehyde in the wall body is avoided, substances such as ammonium bicarbonate, sepiolite and the like can adsorb formic acid during sealing, the purpose of removing formaldehyde is achieved, and the formaldehyde removing agent can be blended according to the color of the wall body. Wall attractiveness is unaffected.
Owner:樵彩涂料(佛山)有限公司

Cassegrain type astronomical telescope

The invention is suitable for the technical field of astronomical telescopes, and provides a Cassegrain type astronomical telescope, which comprises: a main lens barrel assembly, wherein a main reflector, a secondary reflector and a correction lens group which share the same optical axis are arranged in the main lens barrel assembly; a pull rod adjusting assembly for adjusting the distance and angle of the secondary reflector relative to the main reflector; an adjusting screw assembly for adjusting the distance and angle of the main reflector relative to the secondary reflector; and a six-point supportingg assembly, wherein the six-point supporting assembly is rotationally arranged on the adjusting screw assembly and used for supporting the main mirror. According to the invention, two reflecting mirrors are adopted, so that the space is effectively utilized, the length of an optical system is shortened, and the structure is more compact; a unique three-point-to-six-point expansion modeis adopted, so that each point is uniformly stressed and does not collapse when the lens is mounted; and the positions and angles of the main reflector and the secondary reflector can be convenientlychanged through the pull rod adjusting assembly and the adjusting screw assembly, so that the purpose of adjusting the optical axis is achieved.
Owner:嘉兴锐星光学仪器有限公司

A device capable of preventing quick-frozen buns from freezing and using method thereof

The invention discloses a device capable of preventing quick-frozen steamed stuffed buns from freezing and an application method thereof, and relates to the technical field of quick-frozen steamed stuffed buns. The invention comprises a liquid storage barrel and a thermal insulation storage barrel. A water storage chamber is opened inside the liquid storage barrel. A first heater is fixed at one end of the liquid storage barrel. The output end of the first heater is located inside the water storage chamber. A second heating wire is connected. The present invention adjusts the temperature inside the heat-retaining chamber through the cooperation of various accessories, so that the temperature inside the heat-retaining chamber is relatively stable, and a transmission mechanism is set to make the various positions of the dough contact with the heat energy more evenly, so that the fermentation effect of the dough is better, thus effectively To prevent the dough from cracking during quick freezing, the dough can be placed and taken out more conveniently by setting the noodle storage mechanism and the lifting mechanism, which greatly reduces the difficulty of placing and taking the dough, thus bringing great convenience to the operator. And greatly reduce the work intensity of the operator.
Owner:江苏包天下食品有限公司
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