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43results about How to "Shape influence" patented technology

Electric spark milling method of micro three-dimensional part

ActiveCN106077853AEliminate Machining Accuracy IssuesTool electrode shape stableFeed processingHigh frequency
The invention discloses an electric spark milling method of a micro three-dimensional part. The electric spark milling method comprises the following steps that a tool electrode having appropriate diameter is adopted; an electrical guiding rule and parameters are set according to the diameter of the tool electrode; a length loss rate and a discharging gap are determined; the tool electrode is subjected to predeformation; and milling programs for each electric spark numerical control layering of a work piece are established. Based on the shape characteristic of the tool electrode at a high frequency power source, the tool electrode actively deforms, then the deformed tool electrode is subjected to layering milling by adopting a continuous compensation process, and the influence of interlayer feeding processing on the shape of the tool electrode is eliminated through a preprocessed hole. Aiming at the shape change in a micro electric spark processing procedure, the electric spark milling method for keeping the shape of the tool electrode stable on the specific electrical guiding rule condition is provided, tool electrode shape constant loss is realized, the problem of shape change due to loss of the tool electrode in the micro electric spark processing procedure is solved, and a processing technique index reaches a higher level.
Owner:DALIAN UNIVERSITY

Method and device for testing thermal performance of LED radiator

The invention discloses a method and a device for testing thermal performance of an LED radiator. The method is characterized in that a heating block end surface made of a pure copper material is taken as a heating surface to simulate an LED chip heat source; electric heating tubes are embedded in the heating block which is wrapped with a thermal insulating material, and heat generated by the electric heating tubes is almost completely transmitted to the copper block end surface; the tested radiator is placed between the heating surface and a screw rod, a heated surface of the radiator aligns to the copper block heating surface, and the screw rod is tightened to enable the radiator and the heating surface to be tightly contacted; and the simulated heat source and guide rods are all fixed on a rotatable rack and relatively rotate with a hinged hole as a center by means of respective positioning holes in the rotatable rack and support racks, so that the heat dissipation performance when the radiator is placed obliquely can be tested. The invention further provides the testing device used for the testing method. According to the method and the device for testing the thermal performance of the LED radiator, the application range is wide, the structure is simple, and parts are convenient to process and assemble.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Small-molecule sea cucumber powder and small-molecule sea cucumber powder capsules

The invention relates to a small-molecule sea cucumber powder and small-molecule sea cucumber powder capsules. The preparation method of activated protein capsules comprises the following steps: desalinating and purifying sea cucumber with pure water; then, pulping, hydrolyzing with a composite enzyme preparation, enzyme denaturing , debitterizing, removing a puckery taste and filtering; and finally, momentarily spraying at a lower temperature and drying to prepare sea cucumber polypeptide activated protein powder. The capsule is prepared by technologically processing and adding the sea cucumber polypeptide activated protein powder to capsule shells. The capsules prepared by the method have more comprehensive healthcare function and use a plurality of polygenetic enzymic preparations to break walls the sea cucumber cell bodies so that active substances in sea cucumber cell bodies fully release small-molecule polypeptide which is easy to be absorbed by human bodies; in addition, the capsules have multiplied healthcare function, extremely high biological utilization rate, stable and obvious functions and performance and long shelf life, contain no preservative and are easy to take.
Owner:王箭

Antibacterial solution for glass product and use method of antibacterial solution

The invention discloses an antibacterial solution for a glass product and a use method of the antibacterial solution. The antibacterial solution contains silver ions, including silver ions and copper ions, and the silver ions are provided by silver ion salt which can be any one or two of silver nitrate and silver lactate. The antibacterial solution further comprises an auxiliary material condensed sodium phosphate or / and butyl hementerin. When the antibacterial solution is used, through steps of coating, drying, thermal treatment, stripping, washing and the like, the glass product with the antibacterial property can be produced, the operation is simple, and the produced antibacterial glass product is relatively good in security and has long-lasting antibacterial property.
Owner:GLASS TECH RES INST OF SHAHE CITY OF HEBEI PROVINCE

Method for producing Pu'er tea through fermentation with specially-made exogenous biological enzymes and application of method

The invention provides a method for producing Pu'er tea through fermentation with specially-made exogenous biological enzymes. Sunned semi-finished tea is subjected to enzyme catalysis fermentation by using advantages in the afterfermentation process of Pu'er tea and crude enzymes of special aspergillus flavus under the specific condition of 35-40 DEG C by using a lift-off manner fermentation technology, and through appropriate treatment of air drying and the like, Pu'er tea products having the characteristics of raw tea and matured tea are obtained. The fermentation technology is simple to operate; crude enzymes of special main aspergillus flavus in 20 pile fermentation afterfermentation processes of Yunnan Pu'er tea are used for fermentation on the sunned semi-finished tea, so that the crude enzymes of special aspergillus flavus are in direct contact with the sunned semi-finished tea and the transformation of internal substances in the sunned semi-finished tea is facilitated; and the obtained products maintain the qualitative characteristics of the Pu'er tea, the influence of mycelium on characteristics of the shape, the integrity, the color, the cleanliness and the like of the Pu'er tea during traditional fermentation is avoided, and the production safety and the production stability of the Pu'er tea are guaranteed. The factory clean production of the Pu'er tea is easy to realize, and the production and the making of the Pu'er tea from wild or semi-wild old trees, being low in yield, are facilitated.
Owner:KUNMING INST OF BOTANY - CHINESE ACAD OF SCI

Semiconductor device and manufacturing method thereof

The invention provides a semiconductor device and a manufacturing method thereof. The method comprises the steps of providing a substrate which at least comprises a first active region, a second active region and a third active region, wherein the width of the first active region is equal to the width of the second active region, forming gate structures on the first well region and the second wellregion respectively, and forming a tensile stress film layer on the first well region, and forming a compressive stress film layer on the second well region, wherein the tensile stress film layer covers the gate structure on the first well region, the compressive stress film layer covers the gate structure on the second well region, and the compressive stress film layer covers the gate structureon the first well region, and the thickness of the tensile stress film layer is the same as that of the pressure stress film layer. According to the manufacturing method of the semiconductor device, the performance of the semiconductor device can be improved.
Owner:晶芯成(北京)科技有限公司

Rust remover for mechanical equipment

The invention discloses a rust remover for mechanical equipment. The rust remover comprises, by weight, 40%-65% of sulfamic acid, 1% of sulfuric acid, 0%-5% of ammonium bifluoride, 20%-35% of phosphoric acid, 0.5%-2.0% of ethylene diamine tetraacetic acid, 0.05%-0.5% of calcium hypophosphite, 0.5%-2.0% of hexamethylenetetramine, 0%-0.2% of copper salt, 5%-15% of sodium dodecyl benzene sulfonate, 0%-0.4% of coconut acyl monoethanolamine, 0%-0.3% of isothiazolinone, and 15% of chromic anhydride. According to the rust remover for the mechanical equipment, the process is simple, the shape, the surface gloss and the precision degree of the mechanical equipment are free of any influence, and the rust removing effect is good.
Owner:TONGLING JINLI ELECTRONICS

Focal plane detector suitable for curved surface imaging and preparation method of detector

The invention provides a focal plane detector suitable for curved surface imaging and a preparation method of the detector. The focal plane detector suitable for curved surface imaging comprises a supporting substrate and a shaped focal plane array, wherein the shaped focal plane array is located on the surface of the supporting substrate; and the curved surface shapes of the shaped focal plane array and the supporting substrate are kept consistent. With the above structure adopted, light can be always focused on the focal plane detector; a maximum imaging effect can be ensured without complexoptical correction calculation required. The structure is suitable for large-view-field, large-area-array and high-resolution imaging. According to the preparation method, a PDMS flexible mold is used for shaping a silicon-based focal plane; an ultraviolet curing material and ultraviolet irradiation are used for shaping; a shaping process is simple; complex and expensive instruments and equipmentare not needed in a shaping process; and the preparation efficiency of the preparation method is high.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI

Red brick base pressing assistance device used for building

The invention relates to the technical field of red brick base pressing, and discloses a red brick base pressing assistance device used for a building. The red brick base pressing assistance device comprises a base pressing device main body, wherein the base pressing device main body is movably connected with a supporting plate; the right part of the supporting plate is fixedly provided with a connecting rod; a first extrusion plate and a first elastic air bag are arranged above the connecting rod; the left part of the supporting plate is provided with a second extrusion element; a second elastic air bag is arranged below the second extrusion element; a workbench is arranged below a base pressing mould; and the top of the workbench is provided with a removal plate. Under an initial state,the first elastic air bag shrinks, the second elastic air bag bulges, the first extrusion element downwards moves, the first elastic air bag is not extruded, at the time, the second elastic air bag isunder an extrusion function of the second extrusion element, and at the time, a movement rod rightwards moves to drive a rotation gear to anticlockwise rotate. When the rotation gear anticlockwise rotates, the removal plate is driven through a tooth column to leftwards move, and the removal plate moves to the left of the workbench in advance and removes mud materials on the workbench.
Owner:明光市明秀建筑工程有限公司

A method of electric discharge milling for micro three-dimensional parts

ActiveCN106077853BShape influenceAchieving constant lossNumerical controlShape change
The invention discloses an electric spark milling method of a micro three-dimensional part. The electric spark milling method comprises the following steps that a tool electrode having appropriate diameter is adopted; an electrical guiding rule and parameters are set according to the diameter of the tool electrode; a length loss rate and a discharging gap are determined; the tool electrode is subjected to predeformation; and milling programs for each electric spark numerical control layering of a work piece are established. Based on the shape characteristic of the tool electrode at a high frequency power source, the tool electrode actively deforms, then the deformed tool electrode is subjected to layering milling by adopting a continuous compensation process, and the influence of interlayer feeding processing on the shape of the tool electrode is eliminated through a preprocessed hole. Aiming at the shape change in a micro electric spark processing procedure, the electric spark milling method for keeping the shape of the tool electrode stable on the specific electrical guiding rule condition is provided, tool electrode shape constant loss is realized, the problem of shape change due to loss of the tool electrode in the micro electric spark processing procedure is solved, and a processing technique index reaches a higher level.
Owner:DALIAN UNIV

High-temperature-resistant and high-strength diaphragm and preparation method thereof

The invention discloses a high-temperature-resistant and high-strength diaphragm and a preparation method thereof. The preparation method of the high-temperature-resistant and high-strength diaphragm comprises the steps of coating a base membrane with water-based ceramic slurry, and drying to obtain a ceramic coating diaphragm; and coating the ceramic coating with aramid fiber slurry, performing extraction, and obtaining the high-temperature-resistant and high-strength diaphragm. The method for preparing the water-based ceramic slurry comprises the steps of adding ceramic powder and a dispersing agent into deionized water, uniformly mixing, then adding a thickening agent, a defoaming agent and a binder, and uniformly mixing to obtain the water-based ceramic slurry, wherein the ceramic powder is boehmite powder or alumina powder. The method for preparing the aramid fiber slurry comprises the step of heating an oily solvent and PMIA under a stirring condition to obtain the aramid fiber slurry. The ceramic coating separates the base membrane from the aramid fiber coating, so that the situation that the aramid fiber coating is driven to deform in the softening deformation process of the base membrane under the high-temperature condition, and the overall high-temperature-resistant performance of the diaphragm is affected can be prevented.
Owner:HEBEI GELLEC NEW ENERGY MATERIAL SCI&TECHNOLOY CO LTD

Support structure applied to miniaturized reflector

The invention relates to a support structure applied to a miniaturized reflector. The support structure comprises a back-grooved reflector (1), a bonding block (2), a connection screw (3), a bulb (4), a taper clamping ring (5), a support leg (6) and a connection plate (7). A conventional similar support structure hides mechanical members in the caliber of an optical device so as to eliminate influences exerted by the support structure on the detection capability and precision of infrared radiation, however, during structural assembling, due to existence of work errors and bonding position errors, when the support leg (6) is in butt joint with the connection plate (7), an overdetermined phenomenon occurs, when the flexibility of the support leg is not sufficient enough to overcome additional stress brought by overdetermining, the optical surface of an optical element generates additional deformation, and thus the system imaging quality is affected. By use of bulb connection, the support leg (6) is enabled to have a degree of freedom in three rotation directions, and thus the influence exerted by the additional stress on the optical surface is solved. The support structure applied to the miniaturized reflector has the advantages of simple structure, stable work performance, mature processing technology and the like.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI

Picking and stuffing injecting method of dough with stuffing

The invention discloses a method for picking dough with stuffing. The method for picking the dough with the stuffing comprises the following steps: X1, placing overlapped dough on an upper surface ofa lifting table; X2, driving a lead screw sieved with a bearing to rotate by using a servo motor; X3, converting rotation of the lead screw into upward linear motion of the lifting table; X4, pushinga first piece of the dough under a needle plate by the lifting table which moves upwards; X5, stopping the servo motor; X6, allowing a rotating shaft of the motor to rotate within an eccentric wheel;X8, obliquely inserting multiple holding needles on the needle plate into the first piece of the dough; X9, allowing the rotating shaft of the motor to rotate within the eccentric wheel; X10, moving the first piece of the dough held by the holding needles into a wrapping device; and X11, allowing shaped stuffing to fall into the dough on the wrapping device from a stuffing injecting device. According to the method, the dough on the upper surface is held by the holding needles under push force of a telescopic device so as to realize picking, and thus, continuous picking and stuffing injection into the overlapped dough can be realized without using of other production devices; as a result, space occupation of the devices is greatly reduced.
Owner:徐州安越食品有限公司

Preparation method of feed for metal injection molding, feed and metal part

ActiveCN113787190ASmall density differenceRich particle size distributionExtrusion GranulationMetal
The invention discloses a preparation method of a feed for metal injection molding, the feed and a metal part. The preparation method of the feed for metal injection molding comprises the following steps that raw materials are provided and divided into two parts; one part of the raw materials is heated to form a first molten mixture, and after sufficient stirring and banburying, first-time extrusion granulation is conducted to obtain a semi-finished product; and the other part of the raw materials is heated to form a second molten mixture, after sufficient stirring and banburying, the semi-finished product is added into the second molten mixture, and after sufficient stirring and banburying are conducted again, second-time extrusion granulation is conducted to obtain the feed. According to the preparation method of the feed for metal injection molding, the semi-finished product with the small particle size is prepared through first-time extrusion granulation, then the semi-finished product and the second molten mixture are mixed to form the raw materials of the feed, due to participation of the semi-finished product, the density difference of the raw materials of the feed is reduced, particle size distribution of the raw materials of the feed is enriched, and thus the mixing uniformity of the raw materials of the feed is improved.
Owner:深圳市富荣新材料科技有限公司

Intelligent clamp for thin-wall cylindrical pipe fitting

InactiveCN113618454ASolve the function of automatic adjustment of clamping forceAvoid deformationPositioning apparatusMaintainance and safety accessoriesBall screwPipe fitting
According to an intelligent clamp for thin-wall cylindrical pipe fitting provided in the invention, the effect of automatically adjusting clamping force in a clamping process is achieved, the clamping force can be kept within a set range from beginning to end, the problem that the clamping force is too large or too small is solved, and therefore, the precision of machined parts is guaranteed. According to the technical scheme, the intelligent clamp comprises a clamping table, wherein the clamping table is fixedly connected with a driving motor, and is characterized in that the clamping table is rotationally connected with a ball screw which is transversely arranged and is driven by the driving motor, the clamping table on the front side and the rear side of the ball screw is fixedly connected with trapezoidal guide rails which are arranged in parallel, and the left end and the right end of each trapezoidal guide rail are slidably connected with a left conveying table and a right conveying table respectively; the side faces between the left conveying table and the right conveying table are each provided with a movable jaw with the included angle of 90 degrees, the lower end of the left conveying table is in threaded fit with the ball screw, and the right end face of the right conveying table is supported through a pressure adjusting device.
Owner:UNIV FOR SCI & TECH ZHENGZHOU

Aluminum steel window anti-collision treatment device and using method thereof

The invention discloses an aluminum steel window anti-collision treatment device and a using method thereof, and belongs to the technical field of aluminum steel window anti-collision. The aluminum steel window anti-collision treatment device comprises a pair of L-shaped protective frames clamped to the outer end of an aluminum steel window frame, wherein the L-shaped protective frames comprise U-shaped clamping plates clamped to the outer end of the aluminum steel window frame, the outer ends of the U-shaped clamping plates are fixedly connected with a pair of parallel inner-layer buffer cotton, and outer-layer buffer rubber is arranged at the ends, away from the U-shaped clamping plates, of the inner-layer buffer cotton. According to the aluminum steel window anti-collision treatment device and the using method thereof, the L-shaped protective frames are arranged on the outer side of the aluminum steel window frame, when an external object collides with the L-shaped protective frames, on the one hand, the collision force can be weakened for the first time from the front side through elastic deformation, on the other hand, the action direction of the collision force is changed through circulating rolling of balls, secondary weakening of the collision force is achieved, collision damage of the external object to the aluminum steel window frame is greatly reduced through doubleweakening of the L-shaped protective frames to the collision force, and double protection of the aluminum steel window frame is achieved.
Owner:黄薇婷

Positioning device, overturning positioning module and equipment for aluminum profile punching and cutting

The invention relates to the field of machining, in particular to a positioning device, an overturning positioning module and equipment for aluminum profile punching and cutting. The overturning positioning module comprises a rack, as well as an overturning frame, an overturning plate, an overturning driving device and a positioning table which are mounted on the rack, wherein the lower portion of the overturning frame is fixedly mounted on the rack; a horizontally-arranged rotating shaft is arranged on the upper portion of the overturning frame; the overturning plate is fixedly mounted on the rotating shaft; the overturning plate is connected with the overturning driving device, and is overturned forwards and backwards through the overturning driving device; two mounting point positions which are perpendicular to each other are arranged on the overturning plate in the rotating direction of the rotating shaft; and positioning tables are fixedly mounted on the mounting point positions and are horizontally arranged. The two positioning tables are arranged and mounted on the overturning plate, and alternate machining of the two positioning tables is achieved through overturning of the overturning plate, so that when one positioning table is used for machining, the other positioning table can conduct feeding and discharging operation, the equipment waiting time is saved, and the machining efficiency is improved.
Owner:杭州大轶科技有限公司

Automatic dicing device for glutinous rice cakes

The invention relates to an automatic dicing device for glutinous rice cakes. The automatic dicing device comprises a support, an extrusion device is arranged on the upper portion of the support, a forming sleeve is connected to the bottom of the extrusion device, and a discharging port is formed in the bottom of the forming sleeve; a cutting mechanism is arranged on the support and comprises a telescopic mechanism connected with the support, one end of the telescopic mechanism is connected with a cutter, and the top of the cutter is attached to the bottom of the forming sleeve; a baffle is connected to the bottom of the forming sleeve and comprises a blocking part and a connecting part connected with the forming sleeve, the baffle and the cutter are located at the two sides of the discharging port respectively, the side, close to the cutter, of the blocking part is flush with the inner circumference of the discharging port, and gaps allowing the cutter to pass through are reserved in the bottoms of the blocking part and the forming sleeve; and a microprocessor is further included, a proximity switch electrically connected with the microprocessor is further arranged at the bottom of the forming sleeve, and the microprocessor is electrically connected with the telescopic mechanism. The automatic dicing device for the glutinous rice cakes can automatically cut off the glutinous rice cakes, and can prevent the glutinous rice cakes from generating large deformation in the cutting process.
Owner:青岛颐晟泰海洋生物科技有限公司

Special anti-freezing plastic composite pipe

PendingCN112984231ASolve the problem of stagnant waterWill not affect the water injection processThermal insulationPipe elementsWater flowThin membrane
A special anti-freezing plastic composite pipe is composed of a pressure-resistant plastic hot melting pipe and a non-pressure-resistant thin film lining pipe. The lining pipe is composed of an elastic thin plastic film, the lining pipe is attached to the inner wall of the plastic hot melting pipe but can be freely separated from the inner wall of the plastic hot melting pipe, the hot melting pipe is used for bearing water pressure, and the lining pipe is used for water flowing. The composite pipe not only can well convey water, but also can assist complete emptying of all pipelines.
Owner:赵延斌

A red brick embossing auxiliary device for construction

The invention relates to the technical field of red brick embossing, and discloses an auxiliary device for red brick embossing used in construction, including a main body of the embossing device, a support plate is movably connected to the main body of the embossing device, and the right part of the support plate is fixed A connecting rod is installed, a first extruding plate and a first elastic air bag are arranged above the connecting rod, a second extruding part is arranged on the left part of the supporting plate, and a second elastic air bag is arranged under the second extruding part, so A workbench is arranged below the green press mold, and a cleaning plate is arranged above the workbench. In the initial state, the first elastic airbag shrinks, the second elastic airbag bulges, the first pressing plate moves down, and the first elastic airbag is not squeezed. At this time, the second elastic airbag is squeezed by the second extrusion part. When the moving rod moves to the right to drive the rotating gear to rotate counterclockwise, the counterclockwise rotation of the rotating gear will drive the clearing plate to move left through the tooth column, and the clearing plate moves to the left of the workbench in advance and removes the mud on the workbench.
Owner:明光市明秀建筑工程有限公司

Method for preparing rare earth silicate ceramics by chemical vapor deposition of oxygen-containing precursor

ActiveCN110407583AUniform and dense preparationEffective protectionGas phaseCeramic coating
The invention relates to a method for preparing rare earth silicate ceramics by chemical vapor deposition of an oxygen-containing precursor. A rare earth oxide is used as a reactant, CH3SiCl3 is usedas a precursor, CO2 is used as an oxygen source, hydrogen is used as a carrier gas and a dilution gas, argon is used as a protective gas, and the rare earth silicate ceramics are obtained by chemicalvapor deposition. The method can be used for preparing rare earth silicate ceramic powder, and can also be used for preparing rare earth silicate ceramic coatings, rare earth silicate ceramic modifiedstructural ceramics and ceramic matrix composite materials. The preparation temperature of the rare earth silicate ceramics is low, the problem that the preparation temperature of the rare earth silicate ceramic is too high is solved, the preparation process is simple to operate, the repeatability is strong, the shape of the material is not affected, industrial production can be realized, and a new method is provided for preparing the rare earth silicate ceramics and the rare earth silicate modified ceramic matrix composite materials by chemical vapor deposition.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Semiconductor device and forming method thereof

A forming method of a semiconductor device comprises the steps of providing a substrate, and enabling a first interlayer dielectric layer, a second interlayer dielectric layer and a groove penetrating through the thicknesses of the interlayer dielectric layers to be sequentially formed on the surface of the substrate; processing part of the first interlayer dielectric layer and the second interlayer dielectric layer on a side wall of the groove, respectively forming a first sacrificial layer and a second sacrificial layer, and enabling the width of the first sacrificial layer to be larger than that of the second sacrificial layer; after forming the first sacrificial layer and the second sacrificial layer, filling the groove to form a metal wire layer; after forming the metal wire layer, removing the first sacrificial layer and the second sacrificial layer to form an opening which comprises a first auxiliary opening at the bottom and a second auxiliary opening at the top, and enabling the opening diameter of the first auxiliary opening to be larger than that of the second auxiliary opening; and forming an insulating layer which is covered on the second interlayer dielectric layer and striding the opening. Correspondingly, the invention further provides the semiconductor device formed by adopting the method. Resistance capacitance (RC) effect is low, and performance of a semiconductor integrated circuit is good.
Owner:SEMICON MFG INT (SHANGHAI) CORP

Force-adjustable horizontal fixture for machining turbine blade

The invention discloses a strength-adjustable horizontal fixture for machining turbine blades, and relates to the technical field of fixtures. The strength-adjustable horizontal fixture comprises a mounting frame, a mounting plate is fixedly connected to one end of the mounting frame, a fixing plate is fixedly connected to the other end of the mounting frame, and a sliding block is slidably mounted in the middle of the mounting frame; the side, close to the fixing plate, of the sliding block is fixedly connected with a moving plate, a lead screw is rotationally installed in the sliding block, one end of the lead screw is rotationally connected with the fixing plate, and the other end of the lead screw penetrates through the mounting plate and is fixedly connected with a clamping force adjusting device. The clamping force of the clamp can be adjusted according to different blade clamping requirements, the steam turbine blade is effectively protected, the distance between the clamp and the blade can be rapidly adjusted by arranging the position adjusting device, and therefore the blade can be rapidly clamped or loosened.
Owner:宿迁市航中智能科技有限公司
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