70results about How to "Not suitable for deformation" patented technology

The invention relates to the field of the manufacture of a semiconductor, and in particular relates to a preparation method of a TEM (transverse electric and magnetic field) sample. The preparation method comprises the following steps of: S1, depositing a first coating layer on the upper surface of a substrate; S2, cutting the first coating layer to the lower surface of the substrate; S3, preparing a second coating layer to cover the surface of a first cross section; S4, cutting the remaining first coating layer on a first sample structure to the lower surface of the remained substrate; S5, cutting the second coating layer to the lower surface of the remained substrate to form a TEM sample structure with a second cross section; and S6, continuously analyzing the target cross section of the TEM sample. According to the preparation method, a protection layer depositing method is improved, and the protection layer depositing time is increased, so that the thickness of the TEM sample can meet an optimal analysis thickness (40-60nm), a diffusion impervious layer and a copper interface can be clearly analyzed in the process of analysis, and the analysis quality of the TEM sample can be improved.

The invention provides crush resistance, extraction resistance and horizontal static load test equipment of high piles, and belongs to the technical field of geotechnical engineering tests. The crushresistance, extraction resistance and horizontal static load test equipment of the high piles comprises a counter-force module, a load module, a monitoring module and the like, according to a crush resistance, extraction resistance and static load test, a lack load is transmitted to a test pile foundation through a hoop, a horizontal static load test can act a horizontal load on the pile top through a pile cap, and a high-precision laser displacement sensor is adopted in corresponding displacement measurement. According to the crush resistance, extraction resistance and horizontal static loadtest equipment of the high piles, the defect of a traditional pile foundation static load test technology in high pile test at a certain height of exposure ground is overcome, the crush resistance, extraction resistance and horizontal static load test of the high pile foundation can be realized, and corresponding bearing capacity is judged. The crush resistance, extraction resistance and horizontal static load test equipment of the high piles is simple and convenient to operate, has the low cost, has good adaptation according to different pile types and pile diameters, has quick detection workperiod, can rapidly and accurately complete the crush resistance, extraction resistance and horizontal bearing capacity detection of a large number of the pile foundations of a whole photovoltaic field, and completion acceptance of the pile foundations of the photovoltaic field is accelerated.

The invention belongs to the technical field of food processing methods, in particular to a special powder for mochi and a making method of the powder. The powder special for mochi is processed by mixing glutinous rice flour, modified corn starch, high maltose syrup, a compound improver and water by certain weight percent and carrying out the following steps: (1) mixing; (2) steaming; (3) mixing the high maltose syrup with the material; (4) taking out the steamed powder; (5) cooling the steamed powder; and (6) sterilizing and packaging the steamed powder. The invention has the following characteristics: by using the method in which the raw materials and the process are simultaneously improved, the problems that the traditional mochi powder is easy to harden and go bad, has poor taste and short shelf life and is hard to preserve are solved; and the mochi products made of the mochi powder have good elasticity, strong pliability, tender taste and more than 6 months of shelf life.

The invention discloses a seawater sea-sand concrete structure with a corrugated composite pipe. The seawater sea-sand concrete structure is composed of the corrugated composite pipe (1), seawater sea-sand concrete (2) and composite ribs (3). The corrugated composite pipe (1) is formed by means of the method that an inner fiber layer (11) and an outer fiber layer (13) are adhered to the inner wall and the outer wall of a corrugated steel pipe (12) correspondingly. The corrugated composite pipe (1) is in a corrugated curve line or fold line shape in the axial direction of a component. The composite ribs (3) are arranged in the corrugated composite pipe (1) in a matched mode, the seawater sea-sand concrete (2) fully fills the inside of the cross section of the corrugated composite pipe (1), and the composite ribs (3) are arranged in the seawater sea-sand concrete (2) and wrapped with the seawater sea-sand concrete (2). According to the seawater sea-sand concrete structure with the corrugated composite pipe, the defects existing in a publicly-known steel pipe concrete structure are overcome, and the seawater sea-sand concrete structure has the advantages that the bearing capacity is high, the corrosion resistance is good, materials are easy to obtain, and sustainable development is facilitated; and meanwhile, the structure has a low manufacturing cost, maneuverability is high, energy consumption is low, environment pollution is small, and the seawater sea-sand concrete structure with the corrugated composite pipe can be suitable for ocean engineering structure construction.

The invention discloses a manufacturing method of a temporary spacer in an artificial joint replacement operation. The manufacturing method of the temporary spacer is used when the infection condition occurs after operation, and comprises the following steps that before infection operation, the injection joint and peripheral bone are subjected to three-dimensional CT (computed tomography) scanning, and the artificial joint and peripheral bone form is reestablished; on the basis of the 3D (three-dimensional) CT scanning reestablishing result, a temporary spacer mold is manufactured by a 3D printing technology; the manufactured temporary spacer mold is subjected to disinfection treatment; in the infection operation process, the temporary spacer is directly manufactured by utilizing the manufactured temporary spacer mold. The manufacturing method of the temporary spacer in the artificial joint replacement operation has the advantages that medical workers can conveniently and directly manufacture the temporary spacer according to the mold manufactured before operation, the temporary spacer more conforms to the local joint form, after the temporary spacer is placed, the proper gap and tension can be properly maintained, and the generation of joint capsule soft tissue contracture and disuse bone mass loss during the interval between two operations is avoided.

The invention discloses a method for welding a double-metal drill reamer, which is used for welding a drill reamer comprising a reamer head and a reamer handle. The method comprises the following steps: erecting the reamer handle; coating soldering paste on a welding surface, and putting on a soldering lug; aligning the reamer head and the reamer handle; applying pressure; welding by a welding machine; controlling welding temperature and welding time, wherein the welding surface of the reamer head and the reamer handle is in a V shape; and after the reamer head and the reamer handle are welded, keeping warm for the drill reamer. Based on the method, the reamer head and the reamer handle made of two different materials are firmly welded, thereby eliminating internal stress. The drill reamer has small possibility of deformation and has good precision.

The invention discloses an ash smearing device and a construction method in large-area ground flatness control of an ash smearing device. The ash smearing device comprises ash cakes and a scraping lever. The ash cakes are symmetrically arranged on ground base layers of the left side and the right side of the ground to be cast, and multiple ash cakes of the left side and the right side of the ground to be cast are arranged at intervals in a concrete casting direction. The ash cakes of either of the left side and the right side are provided with an angle iron guide rail, and the scraping lever is arranged between two angle steel guide rails. The construction method comprises the following steps that a level controlling line is confirmed, the ground base layer is cleaned, the ash cakes are set, the angle steel guide rails are placed, and concrete casting is performed. The ash smearing device and the construction method in large-area ground flatness control of the ash smearing device solve the technical problem that in a traditional ash smearing project, even if the flatness of the upper surfaces of the ash cakes can be ensured, when casting bottom ash is cast by exceeding the thickness of the ash cakes and the lever is scraped, the requirement for flatness of the large-area ground can still not be met.

The invention relates to an automatic ash-cleaning spiral dust collection pole electric dedusting machine, which comprises a shell, corona poles, a dust collection pole, a dust collection pole plate support and a corona pole support, a high voltage power supply device, cylindrical dedusting brushes, and a dedusting brush drive device. The dust collection pole is a vertically disposed isometric spiral dust collection pole plate, the cross section of which is a planar spiral line. The corresponding positions on the inner side and outer side of the spiral dust collection pole plate are provided with a pair of cylindrical dedusting brushes that contact the inner side and outer side of the dust collection pole plate and can roll to brush ash. The thread line type dust collection pole plate involved in the invention makes the dust collection pole plate structure very simple, convenient for making and processing, production and assembling, maintenance and disassembly, and more convenient for implementation of ash-cleaning automation. Compared with traditional dust collection plates, the electric dedusting machine saves more space, has larger dust collection area, can clean ash automatically, ensures high efficiency dust removal of products, has more stable and reliable working performance, avoids the hardship of human ash cleaning, and improves the work efficiency.

A steel bridge deck laying structure comprises a bonding layer, an elastic anti-cracking layer and an abrasion layer. The elastic anti-cracking layer is laid on the upper surface of the bonding layer, and the abrasion layer is tightly attached to the upper surface of the elastic anti-cracking layer. The bonding layer is made from bi-component polyurethane modified special resin glue, the elastic anti-cracking layer is made from bi-component high-thixotropic purely elastic polyurethane modified polymer gravels, and the abrasion layer is made from bi-component polyurethane modified polymer gravels.

The invention discloses a floating support applied to a grinding machine, and relates to the technical field of bearing machining. The floating support comprises a first supporting assembly located below a part to be machined and a second supporting assembly located on the left side or the right side of the part to be machined, and the first supporting assembly and the second supporting assembly have the same structures. The second supporting assembly comprises a supporting rod and a supporting head arranged at the inner end of the supporting rod, and the middle of the supporting head is hinged to the inner end of the supporting rod. The inner side face of the supporting head is symmetrically provided with supporting bevels regarding the center line of the supporting rod, and the two supporting bevels form a concave structure together. Each supporting bevel is fixedly provided with a supporting block. The floating support can find the machining center of the part automatically, the efficiency of equipment adjustment is greatly improved, the adjustment time of equipment is shortened, and the circle formation effect is good.

The invention relates to a 3D printed fibula cutting device and a manufacturing and use method thereof, which can solve the problem that the fibula cutting operations are dependent on experience-based judgments of doctors, and then the operation risk is high at present. The 3D printed fibula cutting device includes a guide plate extending in the direction of a fibula; the guide plate is a metal guide plate; and a cross section of the inner side surface of the guide plate is an arc shape fitting the fibula, two semi-hoops are arranged corresponding to two ends of the guide plate; the semi-hoops are fastened on ends of side edges of the guide plate and clamp and surround the fibula; and a plurality of long bar-shaped cutting guide holes are formed in the guide plate. The 3D printed fibula cutting device is formed by 3D metal printing after computer simulation, and can meet the demands of fibula cutting guide plate accurate surgical operations; and the two ends of the guide plate are of tooth-shaped clamping structures, and through fastener fixing, the guide plate is fixed on the surface of the fibula by adoption of tapping screws, and then the stability of the guide plate is further improved.

The invention provides a damping brake device. According to the damping brake device, a braking force applying part and a stopping part are combined into a whole, so that the relative position of thebraking force applying part and the stopping part is fixed, the gap value of each part is adjusted in advance, no secondary adjustment is needed during installation, and therefore the installation isconvenient; the braking force applying part and the stopping part are oppositely moved in the axial direction, and automatic centre align is achieved through self-conical structure, so that the stability is good during braking damping; a compression part of the braking force applying part is in spiral axial movement, the movement precision is high, threads of the compression part are self-lockingthreads, so that braking damping force is guaranteed to be applied smoothly, the braking damping force is not automatically reduced, and the device is stable and reliable; a return spring aids the braking force applying part to return to an original position, the brake damping force is relieved, and moving of a mechanism is stable and noiseless; and the device is not influenced by positive and negative rotation directions of rotating parts, the braking damping effect can be achieved in the positive and negative directions, and the braking damping effect is the same.

The invention relates to the technical field of lost foam casting, in particular to a casting method for casting high-end large precision castings. The casting method adopts a special shell mold, cancast high-quality castings without defects like recarburization, pores, slag inclusion and skin wrinkling, can meet high-grade, complex-structure and precision casting requirements and is environment-friendly and pollution-free. The casting method includes steps: making a mold, coating the surface of a blank mold with shell mold paint, drying, melting the mold to make a shell, boxing the shell mold, and pouring at negative pressure. The casting method has the advantages of being capable of casting the high-quality castings without the defects like recarburization, pores, slag inclusion and skin wrinkling and meeting high-grade, complex-structure and precision casting requirements and being environment-friendly and pollution-free.

Disclosed is a technology method of a copper-plating-free air-gauging carbon bar. The copper-plating-free air-gauging carbon bar is made of materials including, by weight, 40-45% of asphalt coke, 20-25% of artificial graphite powder, 5-6% of an antioxidant additive and 28-30% of asphalt. The technology method includes: 1), mixing and kneading the above materials prior to feeding the same into an extruder and extruding into a bar material with a center hole, wherein the diameter of the bar material ranges from 8mm to 18mm, the diameter of the center hole ranges from 2mm to 6mm, and one bar is extruded in 1 / 2 seconds; 2), feeding the bar into a roasting furnace and roasting the same at the temperature ranging from 1200DEG C to 1300DEG C for 7 to 8 days; 3), turning off electricity of the roasting furnace, subjecting the bar to heat preservation for 6 to 7 days; opening the roasting furnace for natural cooling for 5 to 7 days, wherein the proportion of the bar material is from 1.56 to 1.62; 4), machining the formed bar material into the bar with a cone-shaped head of 1:50 in taper and an end face of the tail to be a 45-degree*1.5 chamfer. By the process method, the defect due to plated electrolytic copper on the surface in the prior art is completely overcome, pollution to the environment and injury to human body during production and usage can be effectively avoided, and the environment is protected; production cost can be effectively lowered, and production efficiency can be improved.

The invention discloses an indirectly driven traction type pumping unit, which radically solves the problems of limited traction force, limited application environment and the like of the conventional traction type pumping unit. The pumping unit comprises a frame, a base, a hanging device and a traction device. The pumping unit is characterized in that: upper and lower motor seats for fixing a permanent magnet synchronous motor are respectively arranged on the frame and the base; a traction wheel of the traction device is assembled together with a rotor on a driving main shaft of the permanent magnet synchronous motor, and a coder is arranged at the end of the main shaft of the permanent magnet synchronous motor; drum-type gate arms are arranged on two sides of a brake wheel and connected with electromagnetic brakes on the upper part of the permanent magnet synchronous motor; left and right traction steel wire ropes are respectively wound on the same traction wheel in the same direction, and one end of each of the steel wire ropes goes around a lower pulley block and is fixed on the base; and the other ends of the steel wire ropes respectively go around a guide wheel and two upper pulley blocks fixed on the frame and are fixed on the frame. Compared with similar products, the pumping unit has the advantages of reasonable design, low cost, safety and reliability in operation, large traction force, high transmission efficiency and wide application range.

The invention relates to a high-voltage pulse transformer secondary coil and a manufacturing method thereof, and provides a method for manufacturing a tapered adhesive-free secondary sparsely-wound coil based on a wet forming process and the coil in view that an existing adhesive-free secondary coil manufacturing process is complicated and long in manufacturing cycle so as to cause low practicability and difficulty in satisfying actual work requirements. The method comprises the following steps: 1) preparing a paper inner cone by the wet forming process; 2) winding a small-diameter winding wire and a spacing line around the paper inner cone to make a coil winding wire intermediate layer; 3) shaping the outer surface of the paper inner cone, specifically, spraying water onto the paper innercone where the small-diameter winding wire and the spacing line are wound for a period of time in order that the outer surface of the paper inner cone is expanded and deformed toward the inner triangular zone between the adjacent turns of the coil winding wire and the spacing line to form a wavy contact surface; 4) removing an elastic band and the spacing line; 5) making a paper outer cone and simultaneously shaping the inner surface thereof; and 6) removing a tapered base cylinder.

The invention discloses a bridge protecting pipe using unsaturated composite epoxy resin materials, comprising a pipe body on which through holes are formed. The bridge protecting pipe is manufacturedby the following materials: 45% of unsaturated composite epoxy resins, 40% of continuous glass fiber bundles, 10% of curing agents (initiators) and 5% of coloring agents (pigments), wherein, the unsaturated composite epoxy resin comprises 50% of furan resins and 50% of organic resins; the curing agents are initiators. The invention has the characteristics of high brightness, long life, difficultdeformation, strong bearing capacity, corrosion resistance, good loss prevention property, rich colors and good capability of beautifying the environment. As the warning mark has the advantages of light weight, high strength and difficult damage, the warning mark can be installed flexibly in a labor and time saving manner. The colors are formed by blending the color paste capable of being compatible with the resins into the resins; therefore, the colors are not shown on the surface, thus keeping the colors lasting.

The invention belongs to the technical field of food processing methods, in particular to a special powder for mochi and a making method of the powder. The powder special for mochi is processed by mixing glutinous rice flour, modified corn starch, high maltose syrup, a compound improver and water by certain weight percent and carrying out the following steps: (1) mixing; (2) steaming; (3) mixing the high maltose syrup with the material; (4) taking out the steamed powder; (5) cooling the steamed powder; and (6) sterilizing and packaging the steamed powder. The invention has the following characteristics: by using the method in which the raw materials and the process are simultaneously improved, the problems that the traditional mochi powder is easy to harden and go bad, has poor taste and short shelf life and is hard to preserve are solved; and the mochi products made of the mochi powder have good elasticity, strong pliability, tender taste and more than 6 months of shelf life.

The invention discloses a nerve matrix catheter for nerve repair and a preparation method thereof. The catheter is formed by compounding and curing an acellular nerve matrix, chitosan and sodium glycerophosphate. The prepared natural gel matrix catheter is stable in structure and not prone to deformation and has the resilience of gel, and an inner diameter hole of the catheter is smooth and through. Moreover, the catheter has good temperature sensitivity and plasticity on the basis of meeting good biocompatibility, gelation occurs immediately when the temperature rises to the physiological body temperature of 37 DEG C, and the gelated catheter can be stored for a long time at the room temperature and meet different tissue requirements of the human body. The catheter has degradation controllability and is suitable for repairing different types of nerve defects; and the catheter has low immunity and nerve regeneration induction performance, and is beneficial to cell adhesion and acceleration of the nerve regeneration process. The preparation process is simple, easy to operate and control and wide in application prospect.

The invention provides a rotor system and a micro gas turbine generator set. The rotor system involves a rotating shaft, a motor, a radial bearing, an air compressor, an integrated bearing and a turbine, wherein the rotating shaft is of an integrated structure, and the motor, the radial bearing, the air compressor, the integrated bearing and the turbine are sequentially arranged on the rotating shaft; and the motor comprises a motor stator and a rotor iron core, wherein the motor stator sleeves one end of the rotating shaft, a motor rotor iron core mounting cavity is formed in the end, sleevedwith the motor stator, of the rotating shaft, a rotor iron core is arranged in the motor rotor iron core mounting cavity, and the port of the motor rotor iron core mounting cavity is not closed. According to the rotor system and the generator set, the layout of the rotor system is compact, the axial size of the rotor system is short, the stability of the high-speed operation is good, the rotatingshaft is of an open structure, the heat dissipation performance of the motor rotor core is good, the rotating shaft is not prone to be deformed and the precision is high.

The invention provides a solar power supply type farmland meteorological instrument, which comprises a meteorological instrument main body and a connecting rod. A supporting bracket is arranged at thelower end of the meteorological instrument main body. A supporting cross rod is arranged on one side of the supporting bracket. A standby battery pack is arranged on one side of the meteorological instrument main body. A waterproof baffle plate is arranged at the upper end of the meteorological instrument main body. A solar cell panel is arranged on one side of the connecting rod, and a thermometer is arranged on one side of the solar cell panel. A fixing rod is arranged at the upper end of the connecting rod. Due to the arrangement of the supporting cross rod, the standby battery pack, the solar cell panel and the waterproof baffle plate, the farmland meteorological instrument can be placed more stably and is not prone to fall down. Meanwhile, the electric energy can be stored, so that the farmland meteorological instrument can still be powered on in the outage state. The solar energy can be converted into electric energy for powering on the instrument. Meanwhile, the instrument canbe protected in rainy days. The farmland meteorological instrument can be applied to different working conditions, and is better in application prospect.

The invention discloses a flue gas turbine adjustable diffusion section structure which comprises an adjustable diffusion section, an air inlet shell, an exhausting volute and a blade shroud, whereinthe adjustable diffusion section is arranged between the air inlet shell and the exhausting volute of a flue gas turbine and is connected with the blade shroud through a first connecting bolt; an adjusting block is arranged on the exhausting volute and is connected with an axial adjusting bolt arranged on the adjustable diffusion section. The flue gas turbine adjustable diffusion section structuresolves the problem about assembling and adjusting difficulty caused by deformation, improves the assembling efficiency and has the characteristics of being simple in structure, convenient to use, lowin manufacturing cost, precise in adjustment and high in reliability.

The invention relates to an antibacterial absorptive article and a preparation method thereof. The antibacterial absorptive article sequentially comprises a surface layer, an absorption core body and a bottom film layer from top to bottom, coconut oil is added into the surface layer; the absorption core body comprises an upper-layer absorption body and a lower-layer absorption body; the upper-layer absorber is made of a latex material; the lower-layer absorber is composed of a liquid absorbing material layer and a non-woven fabric layer wrapping the liquid absorbing material layer; the liquid absorption material layer is formed by alternately arranging a plurality of fluff pulp strip-shaped structures and a plurality of super absorbent resin strip-shaped structures at intervals. The antibacterial absorptive article has the advantages that the antibacterial absorptive article is excellent in antibacterial performance, can moisten skin, improve dry skin and prevent allergy of a user in the using process, and is high in absorption speed, low in reverse osmosis, good in dryness and smoothness, free of breakage and lump after being absorbed and the like.

The invention discloses a steel pipe truss prestress hollow laminated slab. The steel pipe truss prestress hollow laminated slab is composed of a prestress concrete thin plate, high-strength prestresssteel wires, a steel pipe truss and a pentahedron hollow cavity. According to the steel pipe truss prestress hollow laminated slab, all the advantages of high rigidity of the steel pipe truss, high prestress strength and a hollow cavity are combined and integrated into one prefabricated part, the factory machining process of the part is simple, only the prefabricated part needs to be installed onsite, no support or few supports are needed, and no formwork is needed; and the construction process is simple, materials are saved, the self-weight is light, and the application advantages in large-span constructional engineering are particularly obvious.

An outer container of a meal stove comprises an outer container body and a laying bottom. The laying bottom is located in the center of the bottom of the outer container body, and the bottom of the outer container body is provided with a plurality of protrusions which are arranged around the laying bottom and evenly arranged around the center. The outer container of the meal stove is characterized that annular protrusions are arranged between the laying bottom and the protrusions which are arranged on the bottom of the outer container body. The outer container of the meal stove has the advantages of being capable of reducing the heat expansion and cold contraction difference of the laying bottom structure in all the directions in the using process and reducing heat deformation.

The invention discloses a 100-meter mark using unsaturated composite epoxy resin materials, which is of rectangular columnar structure. The four sides at the top of the rectangular columnar structureform a chamfer structure which inclines towards the center of the column. The 100-meter mark is manufactured by the following materials: 18% of special-purpose yarns, 32% of unsaturated resins, 20% oflow profile additives, 20% of fillers and 10% of auxiliary agents. The invention has the characteristics of high brightness, long life, difficult deformation, strong bearing capacity, corrosion resistance, good loss prevention property, rich colors and good capability of beautifying the environment. As the warning mark has the advantages of light weight, high strength and difficult damage, the warning mark can be installed flexibly in a labor and time saving manner. The colors are formed by blending the color paste capable of being compatible with the resins into the resins; therefore, the colors are not shown on the surface, thus keeping the colors lasting.

The invention discloses a multi-layer combined impeller, which belongs to the technical field of powder grader impellers and comprises a plurality of first impeller frameworks and a second impeller framework. The plurality of first impeller frameworks are sequentially connected from top to bottom; the lowermost first impeller framework is connected with the second impeller framework; the top end of the uppermost first impeller framework is connected with an impeller labyrinth disc; the lower end of the second impeller framework is connected with a lower blocking disc; and the first impeller framework and the second impeller framework are each provided with a plurality of inserting grooves in the circumferential direction, and blades are inserted into the inserting grooves. Diversity of blade materials is achieved, and the abrasion resistance of the blade is improved; meanwhile, the problem that the height of the impeller is limited due to the fact that the length of the new material impeller is limited is solved, and the application range is wide.