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29results about How to "Reduce blocking effect" patented technology
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Light-emitting diode epitaxial wafer, preparation method thereof and light-emitting diode
The invention discloses a light-emitting diode epitaxial wafer, a preparation method thereof and a light-emitting diode, and relates to the technical field of semiconductors. The light-emitting diode epitaxial wafer comprises a substrate, a buffer layer, an N-type semiconductor layer, a low-temperature stress release layer, a multi-quantum well light-emitting layer, an electron blocking layer and a P-type semiconductor layer. The multi-quantum well light-emitting layer comprises a first sub-layer, a second sub-layer, a third sub-layer and a fourth sub-layer which are stacked in sequence, and each of the first sub-layer, the second sub-layer, the third sub-layer and the fourth sub-layer comprises an InGaN quantum well layer and a GaN quantum barrier layer which are periodically and alternately stacked; an electron injection layer is inserted into at least one of the GaN quantum barrier layer of the first sub-layer, the GaN quantum barrier layer of the second sub-layer and the GaN quantum barrier layer of the third sub-layer; and a hole injection layer is inserted into the GaN quantum barrier layer of the fourth sub-layer. By implementing the invention, the electron hole matching degree of the multi-quantum well light-emitting layer can be improved, so that the luminous efficiency of the light-emitting diode is improved.
Owner:JIANGXI ZHAO CHI SEMICON CO LTD
Light-emitting diode epitaxial wafer, preparation method thereof and LED
ActiveCN119230676AIncrease hole concentrationincrease brightnessSemiconductor devicesElectron holeSemiconductor materials
The invention relates to the technical field of photoelectricity, and discloses a light-emitting diode epitaxial wafer and a preparation method thereof, and an LED, the light-emitting diode epitaxial wafer comprises a substrate, and the substrate is sequentially provided with a buffer layer, a non-doped GaN layer, an N-type GaN layer, a stress release layer, a multi-quantum well layer, an electron blocking layer, and a P-type GaN layer; the multi-quantum well layer comprises a high-barrier multi-quantum well layer, a middle-barrier multi-quantum well layer, a low-barrier multi-quantum well layer and a low-barrier end multi-quantum well layer which are stacked in sequence. According to the light-emitting diode epitaxial wafer provided by the invention, the hole injection efficiency of the P-type semiconductor material can be improved, the phenomenon of insufficient hole concentration in the multi-quantum well layer is improved, and the matching degree of electron hole concentration in the multi-quantum well layer is improved, so that the radiation recombination efficiency in the multi-quantum well layer is improved, and the brightness and the lighting effect of an LED device are finally improved.
Owner:JIANGXI ZHAO CHI SEMICON CO LTD
Secondary battery, battery pack, and electric device
ActiveCN119674473AReduce direct impactReduce blocking effectCell component detailsElectrical batteryMechanical engineering
The invention discloses a secondary battery, a battery pack and a power utilization device, the secondary battery has a first direction and a second direction which are intersected, the secondary battery comprises a shell, an electrode assembly and a top cover assembly, the shell is provided with a containing cavity, the electrode assembly is arranged in the containing cavity, the top cover assembly comprises a top cover piece, a lower insulating part and an electrode terminal, the top cover piece is connected with the shell, and the lower insulating part is arranged in the top cover piece. The top cover plate is provided with a first liquid injection hole; the lower insulating part is connected to one side, facing the electrode assembly, of the top cover plate, and the electrode terminal penetrates through the top cover plate and the lower insulating part; the lower insulating part comprises a body and a turbulent flow part, and the body is provided with a second liquid injection hole communicated with the first liquid injection hole; the turbulent flow part is connected to the side, away from the top cover piece, of the body, the turbulent flow part and the electrode terminal are arranged at an interval, a liquid outlet is formed in the side, facing the electrode terminal, of the turbulent flow part, and the liquid outlet communicates with the second liquid injection hole; and along the second direction, the minimum distance between the liquid outlet and the electrode terminal is L1, the size of the top cover plate is L2, and L1 / L2 is greater than or equal to 0.004 and less than or equal to 0.5.
Owner:SUNWODA MOBILITY ENERGY TECHNOLOGY CO LTD
Battery and electric device
PendingCN119231123AReduced risk of short circuitsImprove reliabilityBattery isolationBatteriesElectrical batteryMechanical engineering
Owner:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
Negative pressure suction valve and endoscope
The utility model provides a negative pressure suction valve and an endoscope, relates to the technical field of endoscopes, and solves the problem that in the prior art, the passing ability of fluid or particulate matter in a suction valve is poor. The endoscope comprises a negative pressure suction valve, wherein the negative pressure suction valve comprises a valve body and a valve core; one end of the valve body in the axial direction is connected with a first pipe connector used for being connected with a suction pipe, and the first pipe connector is arranged at the eccentric position of the valve body. The valve element is coaxially installed on the valve body and can move along the axis of the valve body to open and close the negative pressure suction valve. Under the condition that the first pipe connector arranged at the shaft end of the negative pressure suction valve and the valve element are in an offset relation, the blocking effect of the valve element on fluid or particulate matter sucked by the first pipe connector is smaller, so that the fluid or the particulate matter can bypass one side of the valve element more easily, passing of the particulate matter is particularly facilitated, and the service life of the valve element is prolonged. And therefore, the passing ability of fluid or particulate matters can be improved.
Owner:HUNAN HUAXIN MEDICAL TECHNOLOGY CO LTD
Fireproof heat-insulating glass and preparation process thereof
PendingCN119319703ARich in functional groupsImprove stabilityLamination ancillary operationsClimate change adaptationPolymer scienceThin membrane
The invention relates to fireproof and heat-insulating glass and a preparation process thereof, and relates to the field of fireproof and heat-insulating materials, the fireproof and heat-insulating glass comprises a heat-insulating film layer I, a fireproof gel layer I, a glass substrate, a fireproof gel layer II and a heat-insulating film layer II, the fireproof gel layer I and the fireproof gel layer II are prepared by adopting a mixed gel solution, the mixed gel solution is prepared from the following raw materials in parts by mass: 80 to 100 parts of bi-crosslinking gel monomer, 5 to 10 parts of crosslinking agent, 20 to 30 parts of composite flame retardant and 1 to 3 parts of initiator. The preparation process comprises the following steps: preparing a mixed gel solution, preparing the fireproof gel layer I and the fireproof gel layer II on the surface of the glass substrate, hot-pressing and laminating the heat insulation film layer I to the surface of the fireproof gel layer I, and hot-pressing and laminating the heat insulation film layer II to the surface of the fireproof gel layer II to obtain the fireproof heat insulation glass. The fireproof and heat-insulating glass has the effect of improving the interlayer binding force of the fireproof and heat-insulating glass, the stability can be improved, and the fireproof and heat-insulating performance is further improved.
Owner:SHANXI BAIAO INTELLIGENT GLASS CO LTD
Semiconductor device and etching method and preparation method thereof
ActiveCN119673770AGuaranteed reliabilityavoid damageSemiconductor/solid-state device manufacturingGate dielectricDevice material
The invention discloses a semiconductor device and an etching method and a preparation method thereof, a first etching process is adopted to etch a dummy gate to remove the dummy gate of a first thickness and retain the dummy gate of a second thickness, the first thickness is greater than the second thickness, a second etching process is adopted to etch the dummy gate of the second thickness, and the second thickness is greater than the second thickness. The second etching process comprises a gasification process, the gasification process is used for converting the dummy gate with the second thickness into a gaseous substance and enabling the gaseous substance to escape, and the corrosion of the second etching process, such as the gasification process, to the barrier layer is smaller than the corrosion of the first etching process, such as a dry etching process or a wet etching process, to the barrier layer; therefore, the damage of etching of the dummy gate to the barrier layer can be reduced, the metal blocking capability of the barrier layer cannot be obviously reduced, the probability that metal in the metal gate is diffused to the gate dielectric layer with a high dielectric constant can be reduced, and the reliability of the semiconductor device can be ensured.
Owner:JINGXINCHENG (BEIJING) TECH CO LTD +1
Electric connection device and computing equipment
ActiveCN222515035UIncreasing the thicknessReduce blocking effectSecuring/insulating coupling contact membersElectrical connection printed elementsFlexible circuitsElectrical connection
The embodiment of the utility model provides an electric connection device and computing equipment. The electric connection device comprises a flexible circuit board and an electric connector. The flexible circuit board comprises a main body and a connection branch group. The connecting branch group comprises a plurality of bendable connecting branches. The plurality of connection branches are connected to the main body. The electric connector comprises a bayonet socket and a plurality of butt joint terminals. The butt joint terminal is arranged on the bayonet socket. And the connecting branch group and the electric connector are correspondingly arranged. And the plurality of connecting branches are correspondingly and electrically connected with the plurality of butt-joint terminals respectively. According to the electric connection device, good air flow fluidity in the air channel can be guaranteed, and good heat dissipation is guaranteed.
Owner:XFUSION DIGITAL TECH CO LTD
Cooling fan
ActiveCN222547875UReduce blocking effectreduce the possibility of damageAlarmsCooling/ventilation/heating modificationsMechanical engineeringPhysics
The utility model discloses a cooling fan which comprises a shell and a fan body arranged in the shell, and further comprises two ventilation side plates symmetrically arranged on the two sides of the shell, and the bottom ends of the ventilation side plates are hinged to the shell. The bottom end of the breathable panel is hinged to the air outlet surface of the shell; the plurality of power-off pushing assemblies are fixedly arranged on the top surface of the inner cavity of the shell and are close to the top ends of the ventilating side plate and the ventilating panel; and the power failure alarm is arranged in the shell and is electrically connected with a power supply line of the equipment. According to the utility model, through arranging the ventilating side plate and the ventilating panel which are hinged on the shell and the plurality of power-off pushing assemblies, when the equipment is powered off due to a fault, the power-off pushing assemblies push the ventilating side plate and the ventilating panel, so that the flowability of air is improved, and the possibility that parts are damaged due to over-high temperature in the equipment is reduced; by arranging the power-off alarm, an alarm is given out when the equipment is powered off, and a user is reminded to handle faults in time.
Owner:ANHUI HUAMAO TEXTILE
Bag support mechanism, bag opening device and packaging equipment
Owner:SHENZHEN MAISITE BIOMEDICAL ENG CO LTD
Rotary vane type aerodynamic booster
ActiveCN119664695AReduce blocking effectreduce volumePump componentsPump installationsCircular discGear wheel
The invention discloses a rotary vane type aerodynamic booster, which belongs to the technical field of fluid machinery and comprises a fixing system, a vertical rotating system, a horizontal rotating system, a synchronous transmission system, a disc system, an upper shell system and a lower shell system. The fixing system is used for overall fixing; the synchronous transmission system is meshed with the first bevel gear through the second bevel gear, and the oblique gear is meshed with the special-shaped gear of the horizontal rotating body, so that the vertical rotating system and the horizontal rotating system synchronously rotate at a fixed proportion, and the blocking effect on an inlet is small; meanwhile, the vertical rotating system and the horizontal rotating system do uniform circular motion along respective rotating shafts, and a periodic extrusion space is formed between the two systems, so that higher pressure is generated in the space between the vertical rotating system and the horizontal rotating system, and higher aerodynamic force is generated.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
Building foundation pit monitoring system
ActiveCN119145478AGuaranteed stabilityEasy to monitor in real timeFoundation testingExcavationsArchitectural engineeringMonitoring system
The invention relates to the technical field of foundation pit monitoring equipment, and discloses a building foundation pit monitoring system which comprises a supporting mechanism, the supporting mechanism comprises a base, an electromechanical box is arranged at the upper end of the base, a first clamping groove is formed in the upper end of the electromechanical box, and a middle shaft is fixedly installed at the upper end of the base; a connecting mechanism is further arranged on the periphery of the supporting mechanism, the connecting mechanism comprises a first connecting rod rotationally installed in the first clamping groove, a plurality of avoiding grooves distributed at equal intervals are formed in the first connecting rod, and when obstacles or pits appear on a road where the rotating wheel advances, the first connecting rod is connected with the first connecting rod; the rotating wheel adaptively moves up, down, left and right, obstacles can be avoided, movement of the device is not affected, along with revolution of the rotating wheel and real-time fluctuation of data tested by the distance measuring sensor, an operator judges the flatness of the bottom of the foundation pit through the data monitored by the distance measuring sensor, real-time monitoring is facilitated, and the working efficiency is improved. The method is suitable for flatness monitoring of small foundation pits.
Owner:CHINA RAILWAY SHISIJU GROUP CORP +1
Low-noise hair drier
The utility model relates to the technical field of blowers, in particular to a low-noise blower which comprises a shell and a fan, the shell comprises an air inlet, an air outlet and an air duct communicating the air inlet with the air outlet, the fan is arranged in the air duct, and an air gathering section and an air duct middle section communicating the air gathering section with the air outlet are arranged on the side, located at the air outlet end of the fan, of the air duct. At least part of the inner wall of the air gathering section inclines from the air inlet end of the air gathering section to the center axis of the air channel in the flowing direction of airflow in the air channel so as to guide airflow at the air outlet end of the fan to gather towards the middle section of the air channel. The air flow occupies the middle space near the central axis of the air duct, the situation that the middle air flow speed of the air duct is inconsistent with the peripheral air flow speed is avoided, part of peripheral high-speed air flow is prevented from entering the middle space to form turbulent flow, noise caused by middle air oscillation is eliminated, and the flow speed loss of the high-speed air flow is reduced.
Owner:HONGYANG HOME APPLIANCES
Waste heat recycling device utilizing industrial steam condensate water
ActiveCN224065985UImprove liquidityEliminate high temperature areasHeat exchanger casingsStationary plate conduit assembliesSteam condensationWater flow
The utility model relates to a waste heat recycling device utilizing industrial steam condensate water, which comprises a cooling water tank and a plurality of heat exchange group plates, the plurality of heat exchange group plates are installed along the length direction of the cooling water tank in an interception mode, vertical medium flow channels are arranged in the heat exchange group plates, and the upper ends and the lower ends of the heat exchange group plates are exposed outside the cooling water tank. Flow channel openings communicated with the medium flow channels are formed in the upper ends and the lower ends of the heat exchange group plates, and every two adjacent heat exchange group plates are connected through bent pipes installed at the flow channel openings; and each heat exchange group plate is provided with a through hole which is vertical to the medium flow channel and is not communicated with the medium flow channel. The effect of multiple times of heat exchange in cooling water is achieved. The communicating pipes are installed on the heat exchange assembly plates to form the through holes penetrating through the heat exchange assembly plates, the blocking effect of the heat exchange assembly plates on cooling water flow is reduced, the flowability of cooling water is enhanced, a high-temperature area in the cooling water is eliminated, the contact area is increased in cooperation with the communicating pipes, and therefore the heat exchange efficiency is improved, and recovery of waste heat of condensate water is achieved.
Owner:HAOLIN (WEIHAI) NEW MATERIAL CO LTD
SCR denitration device
The utility model discloses a kind of SCR denitration devices, belong to solve the problem of scratch to catalyst in the process of ash removal, solve the problem of scratch to catalyst in the process of ash removal, the technical scheme of solving this problem mainly includes rotary kiln, preheater, ammonia injection system and SCR reaction tower, preheater is located above rotary kiln, SCR reaction tower is equipped with flue gas pipeline between preheater, SCR reaction tower is equipped with mounting bracket, SCR reaction tower outside is equipped with fixing frame, mounting bracket is equipped with ash removal pipe, ash removal pipe is equipped with ash removal harrow, ash removal harrow is equipped with nozzle, fixing frame is equipped with feeding mechanism and air blower, one end of ash removal pipe extends to SCR reaction tower outside and is connected with feeding mechanism, feeding mechanism drives ash removal harrow reciprocating motion by ash removal pipe, ash removal pipe is equipped with anti-blocking fan to prevent nozzle from entering dust and being blocked during ash removal harrow retraction process.The utility model mainly guarantees ash removal effect while reducing damage to catalyst, and then ensure denitration effect.
Owner:JINHUA HUADONG ENVIRONMENTAL PROTECTION EQUIP CO LTD
A Micro-LED epitaxial structure with high hole injection efficiency and preparation method thereof
ActiveCN118899378BReduce blocking effectImprove hole injection efficiencySemiconductor devicesElectron holePhysical chemistry
The present invention discloses a high hole injection efficiency Micro-LED epitaxial structure and a preparation method thereof, and relates to the field of semiconductor technology. The Micro-LED epitaxial structure of the present invention includes a multi-quantum well light-emitting layer, a multi-stage P-type hole injection enhancement layer and a P-type semiconductor layer; the multi-stage P-type hole injection enhancement layer includes a first-stage hole injection enhancement layer, a second-stage hole injection enhancement layer and a third-stage hole injection enhancement layer; the first-stage hole injection enhancement layer includes a first AlGaN layer and a first InGaN layer; the second-stage hole injection enhancement layer includes a second AlGaN layer and a second InGaN layer, and the second InGaN layer is doped with Mg; the third-stage hole injection enhancement layer includes a third AlGaN layer, a third InGaN layer and a fourth InGaN layer, and the third InGaN layer and the fourth InGaN layer are doped with Mg respectively. The Micro-LED epitaxial structure with high hole injection efficiency of the present invention can significantly improve the hole injection efficiency of the P-type semiconductor layer and improve the matching degree of the electron hole concentration in the multi-quantum well light-emitting layer region, thereby improving the light efficiency of the Micro-LED chip at a low operating current density.
Owner:JIANGXI ZHAO CHI SEMICON CO LTD
A deep ultraviolet light emitting diode device structure and a preparation method thereof
The application relates to a deep ultraviolet light emitting diode device structure and a preparation method for realizing hole acceleration, belonging to the field of semiconductor photodiodes, and comprising a substrate, a buffer layer and an n-type semiconductor electron injection layer from bottom to top; a plurality of quantum well active regions, a p-type AlGaN electron blocking layer, a p-type AlGaN insertion layer, an n-type AlGaN insertion layer, a p-type semiconductor hole injection layer, a p-type contact layer and a p-type electrode are sequentially arranged above one side of the n-type semiconductor electron injection layer; and an n-type electrode is arranged above the other side; the Al component percentage of the p-type AlGaN insertion layer and the n-type AlGaN insertion layer is higher than that of the p-type AlGaN hole injection layer and lower than that of the p-type AlGaN electron blocking layer. The application introduces the insertion layer, can improve the kinetic energy of holes, increases the injection of holes, optimizes the Al component of the structure, reduces the valence band offset between the electron blocking layer and the hole injection layer, and weakens the hole blocking effect.
Owner:SHANDONG UNIV +1
Pump-jet propeller rotor based on heterogeneous coupling blades and design method
ActiveCN119429057Areduce noiseimprove noiseSustainable transportationVessel designingCouplingClassical mechanics
The invention provides a pump-jet propeller rotor based on heterogeneous coupling blades and a design method, the pump-jet propeller rotor comprises a plurality of groups of rotor blades which are arranged in a staggered coupling manner along the circumferential direction of a rotor hub, each group of rotor blades comprises long blades and short blades, the blade tip parts of each group of long blades are connected with the inner wall of a circular end ring, and the blade tip parts of each group of short blades are connected with the inner wall of the circular end ring; each group of short blades are arranged in a gap area between two adjacent long blades, and the blade root parts of the short blades are fixed on the inner wall of the circular end ring. When the scaling semi-suspension rudder is subjected to a loading test, torque application can be performed on the scaling semi-suspension rudder system, and the torque value of the rudder system can be monitored; and corresponding no-load test, static load test and dynamic load test are completed.
Owner:CHINA SHIP DEV & DESIGN CENT
Three-dimensional flexible rectifying device
ActiveCN119509903Areduce instabilityreduce unevennessHydrodynamic testingDynamic stiffnessWater trap
The invention relates to a three-dimensional flexible rectifying device, which comprises a fixing mechanism, a plurality of connecting mechanisms and a plurality of connecting mechanisms, and is characterized in that the fixing mechanism comprises a water-permeable hollow framework, and the hollow framework is of a water-drop-shaped structure; the follow-up mechanism is connected to the tail end of the fixing mechanism, the follow-up mechanism and the fixing mechanism are integrally of a long water drop-shaped structure, the follow-up mechanism comprises a plurality of flexible wire harnesses, the front ends of the flexible wire harnesses are fixed to the hollow framework, and the tail ends of the flexible wire harnesses are free ends. A plurality of flexible wire harnesses of the follow-up mechanism twist along with flow in a turbulent flow field, and the flexible wire harnesses shear dynamic stiffness to provide constraint reaction and damp to dissipate pulsation energy, so that vortexes in different directions are broken to achieve the rectification purpose, which is different from a fixed bent plate type flow guide plate rectification structure, the efficiency is higher, and the rectification effect is better. And the trafficability of fluid and the stability of a flow field are effectively guaranteed.
Owner:汉江国家实验室
Floating wetland system for purifying riverway water body
ActiveCN222631210Upromote reproductionReduce blocking effectWater contaminantsWater aerationRiver routingEnvironmental engineering
The utility model belongs to the technical field of riverway water body remediation, and particularly discloses a floating wetland system for riverway water body purification, which comprises a floating bed body and a microporous aeration device, the floating bed body comprises a floating bed frame and a support net arranged in the floating bed frame, and floating bed plants are planted in meshes of the support net; a through hole is formed in the middle of the floating bed body, the microporous aeration device is embedded in the through hole, and the microporous aeration device is connected with the floating bed frame. The air permeability of the floating bed can be improved, and the problem of shading is reduced.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE
Esophagus medicine applying device for digestive system department and using method
InactiveCN119303220Aimprove medical outcomesSpray evenlyGastroscopesOesophagoscopesCatheterMicro motor
The invention belongs to the field of medical instruments for digestive tracts, and particularly relates to an esophagus medicine applying device for the digestive system department and a using method. A medical catheter is fixedly installed on one side of the control table, an injection table is fixedly installed at the end, away from the control table, of the medical catheter, an adjusting assembly used for adjusting the medicine applying angle is arranged on the inner side of the injection table, and a liquid medicine tube and an electric wire are installed at the top end of the injection table. The liquid medicine pipe and the electric wire both penetrate through the injection table and extend to the bottom end of the injection table, a sprayer is fixedly installed at the bottom end of the liquid medicine pipe, a camera is fixedly installed at the bottom end of the electric wire, a rotating device is fixedly installed at the top end of the injection table, and a first micro motor is fixedly installed at the top end of the rotating device; the first micro motor is fixedly mounted on the inner wall of the medical catheter; by arranging the adjusting assembly, the blocking effect of wrinkles in the digestive tract on the liquid medicine is reduced, spraying of the liquid medicine is more uniform, and therefore the medical effect of the liquid medicine on a patient is improved.
Owner:MUDANJIANG MEDICAL UNIV
Hinged type conical mud door of trailing suction dredger and mud door wedge opening device
The invention relates to the technical field of ship designing and manufacturing, and discloses a hinged type conical mud door and a mud door wedge opening device of a trailing suction dredger, the hinged type conical mud door comprises a conical mud door, a transmission device and the mud door wedge opening device, the transmission device is arranged on a mud cabin cross beam and is close to a mud cabin inner surrounding wall plate, and the mud door wedge opening device is arranged on a mud cabin ship bottom plate and is close to a mud cabin inner surrounding wall plate. An opening is formed in the hopper door wedge opening device, the conical hopper door is arranged in the opening of the hopper door wedge opening device, the side, away from the inner enclosure bulkhead plate of the hopper, of the conical hopper door is hinged to the hopper door wedge opening device, and the transmission device is connected with the side, close to the inner enclosure bulkhead plate of the hopper, of the conical hopper door. According to the hinged type conical mud door and the mud door wedge opening device, due to the arrangement of the mud door hinges, the main chain can be arranged closer to the root of the mud cabin cross beam, the hydraulic oil cylinder is closer to the broadside of a dredger body, the size of the mud cabin cross beam is optimized, the loading space of a mud cabin is increased, and the loading and unloading efficiency of a dredger is improved.
Owner:RES INST 708 OF CHINA STATE SHIPBUILDING CORP
Seed grading device for alfalfa crossbreeding
ActiveCN119500548Aheavy loadslow down the flowSievingSeed and root treatmentMechanical engineeringCross breeding
The invention relates to the technical field of alfalfa breeding, in particular to a seed grading device for alfalfa crossbreeding, which comprises a screen assembly, the screen assembly comprises a screen seat and a first screen, one end of the first screen is a screen feeding part, the other end of the first screen is a screen discharging part, and the part, close to the screen discharging part, of the first screen is rotatably connected to the screen seat; an elastic assembly and a barrier strip are arranged on the screen seat, the elastic assembly is used for providing elastic force to support the part, close to the feeding part of the screen, of the first screen so that an included angle alpha can be formed between the first screen and the screen seat, a through hole is formed in the first screen, and the barrier strip can penetrate through the through hole; the part, located on the first screen, of the blocking strip is used for blocking flowing of the raw materials on the first screen. According to the seed grading device for alfalfa crossbreeding, the purpose of breeding and impurity removal of a large number of alfalfa seeds mixed with impurities at the same time can be achieved, and the impurity removal effect of crossbreeding of the alfalfa seeds is improved.
Owner:HEILONGJIANG ACAD OF AGRI SCI ANIMAL HUSBANDRY & VETERINARY BRANCH
Satellite cloud image processing method, device, computer equipment and storage medium
ActiveCN113284153BReduce blocking effecteasy to distinguishImaging processingComputer graphics (images)
The present application provides a satellite cloud layer image processing method, device, computer equipment and storage medium. The method includes performing overlapping segmentation processing on satellite cloud layer images to obtain multiple overlapping cloud layer images, wherein each overlapping cloud layer image has at least one overlapping area; performing convolution classification operation on the same feature layer of two overlapping cloud layer images to obtain the feature probability of each pixel point of each feature layer in the overlapping area; and adjusting the grayscale value of the corresponding pixel point on the output layer according to the feature probability. By performing convolution classification operation on the segmented overlapping cloud layer images, the probability of each pixel point of each segmented image of the satellite cloud layer image in the overlapping area is obtained, and finally, the grayscale value of the corresponding pixel point on the output layer is adjusted according to the probability distribution of the same pixel point of the same feature layer, so as to facilitate the distinction of various background images in the overlapping area, so that the blocking effect in the overlapping area is reduced.
Owner:HUIZHOU INST OF SPATIAL INFORMATION TECH
A charging pile noise reduction device
ActiveCN113409752BReduce aerodynamic noiseReduce blocking effectCharging stationsElectric vehicle charging technologyInternal noiseStructural engineering
The present invention relates to a charging pile noise reduction device, comprising a shock filter box (3) connected to the outside of a heat dissipation fan (2), a fan housing (4) and a noise reduction body (5) arranged in the shock filter box (3), a cone noise reduction device (51), a cone fixing block (52) and a noise reduction hole area (53) in the noise reduction body (5), and a noise reflection sheet (511) and a noise reduction hole (512) are arranged on each surface of the cone noise reduction device (51); the end surface of the noise reduction body (5) is connected to a dustproof device (6), and the dustproof device (6) includes an electrostatic dustproof net (61), an anode device (63) and a cathode device (64). The advantages of the present invention are that the pneumatic noise transmitted from the pile body is greatly reduced and reduced, while taking into account the combination of noise reduction and heat dissipation functions inside the pile body, effectively filtering external dust and buffering the mechanical noise generated by the vibration of the heat dissipation fan when it is working.
Owner:GUOCHUANG INNOVATION CENTER OF MOBILE ENERGY (JIANGSU) CO.,LTD.
Frying and baking machine capable of improving heating effect
ActiveCN222149828UImprove the heating effectImprove user experienceRoasters/grillsFrying pansFood materialHeating effect
The frying and baking machine comprises an upper baking tray assembly, the upper baking tray assembly comprises a cover body and a heating pipe, the upper baking tray assembly further comprises a filter screen, the filter screen is detachably installed in the cover body, the filter screen and the cover body define a containing cavity, the heating pipe is arranged in the containing cavity, the filter screen is provided with a fixing buckle, and the cover body is provided with a detachable assembly. The detachable assembly comprises a movable buckle and a button, one end of the button is exposed out of the cover body, the other end of the button is connected with the movable buckle to drive the movable buckle, the movable buckle is rotatably provided with a first position and a second position, when the movable buckle is located at the first position, the movable buckle is in locking fit with the fixed buckle, and when the movable buckle is located at the second position, the movable buckle is in locking fit with the fixed buckle. And the movable buckle is separated from the fixed buckle. According to the frying and baking machine, the filter screen can reduce the blocking effect on heat radiation of the heating pipe, so that heat of the heating pipe fully acts on food materials; the filter screen is easy to disassemble and assemble through the detachable assembly, the requirement for a user is low, and the use experience of the user can be improved.
Owner:JOYOUNG CO LTD
Schottky junction type beta nuclear battery based on porous SiC and preparation method of Schottky junction type beta nuclear battery
PendingCN119495462Ahigh densityIncrease the effective radiation areaFinal product manufactureNanoinformaticsNano structuringElectrical battery
The invention discloses a Schottky junction type beta nuclear battery based on porous SiC and a preparation method of the Schottky junction type beta nuclear battery, and belongs to the technical field of nuclear batteries. The Schottky junction type beta nuclear battery comprises a lower electrode, a highly-doped n-type SiC substrate layer, a lowly-doped n-type SiC epitaxial layer and a graphene upper electrode which are sequentially arranged, a porous nano structure is etched on the surface of the highly-doped n-type SiC substrate layer, and a Schottky junction is of a three-dimensional structure; the Schottky junction type beta nuclear battery has the advantages of being large in radiation area, small in incident particle energy loss, easy to manufacture and high in energy conversion efficiency.
Owner:NUCLEAR POWER INSTITUTE OF CHINA
Aerodynamic booster with small air inlet blocking
The invention discloses an aerodynamic booster with small air inlet blocking, which belongs to the technical field of fluid machinery and comprises a fixing system, a vertical rotating system, a horizontal rotating system, a synchronous transmission system and the like. A main transmission gear disc is kept meshed with an annular straight tooth, an eighth bevel gear is kept meshed with a seventh bevel gear, a horizontal transmission sleeve is arranged in a horizontal transmission rod in a sleeving mode and is fixed tightly, a sixth bevel gear is kept meshed with a fifth bevel gear, a fourth bevel gear is kept meshed with a third bevel gear, and a second bevel gear is kept meshed with a first bevel gear. A main transmission gear set of the synchronous transmission system is driven, so that the vertical rotating system and the horizontal rotating system synchronously rotate in a fixed proportion; besides, the synchronous transmission system directly drives the horizontal rotating system through a gear, only one horizontal transmission rod needs to penetrate through the space where the air inlet is located, other transmission parts are all located in the range outside the air inlet, and therefore the blocking effect on the air inlet is small, and the actual efficiency of operation is improved.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
Method and apparatus for optimizing non-volatile memory bit process
The application relates to the field of semiconductor wafer testing, and provides a nonvolatile memory bit process optimization method and device, which comprises the following steps: inputting ultra-pure dry air between an etching process and an ion implantation process of a device unit region of a Norflash; wherein, the waiting time from the etching to the ion implantation process is controlled. The above process optimization effectively reduces defects of the Norflash in Celletch-CellIMP, reduces the blocking effect of ions during IMP implantation, improves the VT margin tailing distribution problem, improves the tailing die VT initial value, and thus reduces the VT margin failure.
Owner:PUYA SEMICON SHANGHAI CO LTD