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Low-illumination image enhancement method and system
The invention discloses a low-illumination image enhancement method and system, and belongs to the technical field of image processing. The method comprises the steps of converting an input original image into an HIS space from an RGB space, keeping the saturability and the hue component of the image unchanged, enhancing the brightness component, converting the image with the brightness enhanced into the RGB space from the HIS space and outputting the image. According to the low-illumination image enhancement method and system, the image brightness is improved, extremely-dark areas (the areas close to black) are prevented from being changed into bright-colored areas after being enhanced, and the image adapts to the human visual characteristics better. Meanwhile, the complexity is low, the calculation amount is small, high-definition images can be processed in real time, and the performance requirement for hardware can be lowered.
Owner:深圳百乐奇科技电子有限公司
Torpedo can spouting material and spouting method thereof
ActiveCN102040386AImprove adhesion performanceImproved density and plasticityMelt-holding vesselsTitanium carbideChemical composition
The invention provides a torpedo can spouting material and a spouting method thereof. The torpedo can spouting material comprises the following components in parts by weight: 20-35 parts of mullite particles with the particle size of 3-5mm, 20-35 parts of mullite particles with the particle size of 0-3mm, 5-20 parts of mullite fine powder not greater than 200 meshes, 15-30 parts of silicon carbide with the particle size not greater than 3mm, 1-6 parts of pure aluminate cement, 2-8 parts of aluminum oxide micro powder not greater than 320 meshes, 2-7 parts of silicon micro powder and 1-5 parts of titanium carbide not greater than 200 meshes; and the torpedo can spouting material mainly comprises the following chemical components in percentage by weight: 40-65% of Al2O3, 15-25% of SiO2 and 15-30% of SiC+C. The invention also further provides the spouting method of the spouting material. The torpedo can spouting material provided by the invention has favorable corrosive resistance and antioxidation.
Owner:PUYANG REFRACTORIES GRP CO LTD
Method for artificial fertilization and hatching of hexagrammos otakii
InactiveCN101773082AIncrease insemination rateImprove hatchabilityClimate change adaptationPisciculture and aquariaSeawaterMarine fish
The invention provides a method for artificial fertilization and hatching of hexagrammos otakii, which is used for solving the problems that spawns of the hexagrammos otakii in marine fishes have low fertilization rate and hatchability because the spawns have viscosity and become agglomerates when meeting sea water. The method adopts an artificial method to shape the spawns of the hexagrammos otakii into a planar type and then perform fertilization to prevent the viscid spawns from becoming the agglomerates so as to ensure that the spawns can fully and effectively contact sperms during the fertilization, the spawn fertilization rate is improved and can reach 93 percent under an artificial condition; besides, the method adopts hanging type hatching for spawn segments after artificial planar shaping to ensure that oosperms can obtain sufficient dissolved oxygen during the hatching and greatly improve the hatchability of the oosperms. Experiments show that the hatchability of the oosperms reaches 85 percent and is far more than 56 percent which is achieved under the conditions of the prior art.
Owner:MARICULTURE INST OF SHANDONG PROVINCE
Production technique of nutritional soak-free soybeans
InactiveCN101642217AShorten production timeTroubleshooting FiltrationFood preparationMilk substitutesFiltrationBiological value
The invention relates to a production technique of nutritional soak-free soybeans, which belongs to the technical field of food processing. The production technique comprises the main processing steps of raw materials, screening, washing, soaking, draining, vacuum infiltration, draining, traying, quick freezing, vacuum cold-hot drying, cooling, package, and finished product. The technical key point of the production technique is characterized by adopting a vacuum cold-hot drying integrated processing technique, solving the technical problems that the conventional soybean milk manufacturing process has thick beany flavor, long time for soaking beans, long pulping time, difficult soybean milk filtration and the like, improving the biological value of the protein in the soybeans, and improving the quality of a product, wherein the product is nutritional and convenient, has a long shelf life, avoids soaking, can be directly used for making the soybean milk by a soybean milk machine, and is favorable for the health of a human body. Besides, the production technique has simple process and low production cost, and is easy for popularization and application.
Owner:ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Direct liquefaction process of coal mixed with medium and low temperature coal tar
ActiveCN104419438AImprove conversion rateReduce effective reaction spaceLiquid hydrocarbon mixture productionGas phaseReaction temperature
The invention discloses a direct liquefaction process of coal mixed with medium and low temperature coal tar. The process comprises the following steps: carrying out purification treatment on the medium and low temperature coal tar, carrying out vacuum distillation or atmospheric distillation on the medium and low temperature coal tar subjected to purification treatment, and cutting the factions into heavy oil fractions and light oil fractions, wherein the temperature range of the cut point is 320-380 DEG C; subjecting a coal oil mixture obtained by mixing pulverized coal with the heavy oil fractions higher than the cut point, hydrogen and a catalyst to reaction in a primary reactor at a reaction temperature of 420-460 DEG C, sending a primary reaction product to the upper part of a secondary reactor, enabling a gas phase component in the primary reaction product to flow out from the top of the secondary reactor, enabling solid and liquid components in the primary reaction product to flow down in the secondary reactor to carry out countercurrent contact reaction with hydrogen flowing up at a reaction temperature of 430-480 DEG C, and carrying out fractional distillation after the reaction ends. The process has the effects of obviously improving the production efficiency of direct coal liquefaction, increasing the conversion rate of pulverized coal and improving the quality of naphtha and diesel products, and is suitable for the large-scale direct coal liquefaction industry.
Owner:任相坤
Power load prediction method and device
PendingCN111861013AAvoid inaccurate trainingAvoid wastingForecastingNeural architecturesMissing dataData set
The invention discloses a power load prediction method and device. The method comprises the steps of inputting an original data set into a BP neural network, performing traversal search to obtain positions of missing data, outputting missing data values, and performing missing data filling to obtain a complete data set; performing parameter optimization on the complete data set, and outputting anoptimal hyper-parameter to generate an optimal hyper-parameter vector; constructing an LSTM neural network by using the optimal hyper-parameter vector, and inputting training data to train the LSTM neural network to obtain an LSTM model; inputting test data, and testing the LSTM model; inputting characteristic values into the LSTM model passing the test, and carrying out power load prediction, wherein the characteristic values comprise air temperature, humidity, wind speed, historical data and prediction time points. The method has the advantages that the time and resources are reduced, and the prediction precision and authenticity are improved.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Mining ball mill and electric control system thereof
ActiveCN109201215AImprove grinding efficiency and effectReduce power sourceGrain treatmentsElectric machineryBall mill
The invention specifically relates to a mining ball mill and an electric control system thereof, belonging to the field of mining machinery. The mining ball mill comprises a barrel, a mounting plate,a first motor, grinding balls, an ejection unit and a collecting box. Through arrangement of the first motor, the grinding balls and the ejection unit and the interaction among elastic bands, gears, racks, ejection plates, mounting blocks and limiting blocks, the elastic bands rotate to realize contraction and extension so as to allow the ejection plates to eject the grinding balls, so the grinding balls are improved in impact, friction and shearing effects on gold ore particles and fully grind the gold ore particles, which enables the grinding efficiency and effect of the gold ore particles to be improved; moreover, a power source generated during grinding of the gold ore particles is utilized, so an additional power source is not needed, and thus, the utilization rate of resources is improved and the manufacturing cost for the mining ball mill is reduced.
Owner:李伟明
Shifting register unit and driving method thereof, grid driving circuit and display device
PendingCN105185412AAvoid becomingAvoid accumulationStatic indicating devicesDigital storageElectricityShift register
The invention provides a shifting register unit and a driving method thereof, a grid driving circuit and a display device. The shifting register unit comprises an input module, an output control module, a reset module, a reinforced reset module and an energy storage module; the first end of the energy storage module is connected with a first node; the output control module is suitable for outputting a driving signal through a driving signal output end when the level of the first node is a first level; the reinforced reset module is connected with the first node and a sixth input end, and is suitable for setting the voltage of the first node as voltage input by the sixth input end when the first node is at a second level and the input module is turned off. According to the shifting register unit provided by the invention, reinforced reset on the first node can be completed on the premise that a reinforced reset control module is not installed; compared with the shifting register unit which needs to install the reinforced reset control module in the prior art, the shifting register unit disclosed by the invention has the advantages that the layout area is reduced, and the side of the display device is helped to be narrowed.
Owner:BOE TECH GRP CO LTD +1
P2P downloading method and device
Owner:LETV INFORMATION TECH BEIJING
General type heating pipeline sleeve for breathing machine pipeline
PendingCN110585539AGuaranteed gas temperature and humidityAvoid becomingRespiratorsMedical devicesElectricityWater vapor
The invention relates to a pipeline insulating device, in particular to a general type heating pipeline sleeve for a breathing machine pipeline. The pipeline insulating device is characterized by comprising an insulating pipe sleeve, an electrical heating wire and an electric source plug, wherein the insulating pipe sleeve is a square insulating piece; the electric heating wire is arranged on theinner wall of the insulating pipe sleeve in an S-shaped coiling manner; the electric heating wire is electrically connected to the electric source plug; and the left side edge and the right side edgeof the insulating pipe sleeve are detachably connected through arranging zipper teeth. When a breathing machine is used, functions provided by a heating pipeline are provided, and the temperature andthe humidity of the gas in the pipeline are guaranteed, so that the situation that the temperature differences between inside and outside of the breathing machine pipeline are large, and steam becomescondensation water is avoided. The pipeline insulating device disclosed by the invention is a general type product, so that the pipeline insulating device can be standardly configured to a breathingmachine pipeline which is used at present; and individualized products can be customized according to requirements, and improving the breathing machine is not needed, so that the cost of a user is reduced.
Owner:GUANGZHOU JEEKON MEDICAL TECH CO LTD
Helicobacter pylori transport culture medium as well as preparation method and application thereof
ActiveCN104762235AEasy to prepareLow costBacteriaMicrobiological testing/measurementHelicobacter pyloriActive state
The invention relates to the field of microbiology, and in particular relates to a helicobacter pylori transport culture medium as well as a preparation method and application thereof. The transport culture medium comprises agar and reducing agents and can be used for effectively ensuring a micro-aerophilic environment of helicobacter pylori, and thus the active state of a clinical sample can be stored as long as possible, the survival time of the clinical sample in a non-culture state can reach more than 48 hours, the long-distance transport of a specimen can be facilitated, and the transport culture medium is beneficial for hospitals and inspectors to flexibly arrange the specimen examination time. According to the helicobacter pylori transport culture medium disclosed by the invention, the active state of the sample can be stored for a long time, so that the helicobacter pylori transport culture medium has a very good promotion effect on subsequent culture, can prevent collected helicobacter pylori from being transformed into a non-culturable state, and ensures that the positive detection rate can be greatly improved; and compared with a method without using the transport culture medium in the past, the positive detection rate can be increased by not less than 40% by adopting the transport culture medium disclosed by the invention.
Owner:上海千麦博米乐医学检验所有限公司
Frequency-division multiplexing transceiver apparatus and method
InactiveCN101022307ASuppress peakLess quantityFrequency-division multiplexEqualisersComputer hardwareMultiplexing
In a frequency-division multiplexing transmission apparatus for transmitting data in a frequency spectrum specific to a mobile station, a chip-dividing unit divides each symbol of a transmission-symbol sequence into chips; a first phase rotation unit performs pi / 2 phase rotation for the odd-numbered chips of the divided chips; a chip-repetition and rearrangement unit compresses the time domains of each chip of the chip sequence after phase rotation, then repeats the chips a specified number of times and rearranges the chips of the obtained repetitive-chip sequences so that they have the same arrangement as the original chip sequence; a second phase rotation unit performs phase rotation that changes at a speed specific to a mobile station for each chip of the rearranged repeti tive-chip sequence; and a transmission unit transmits said phase-rotated chips.
Owner:FUJITSU LTD
Steel rolling production system processing method and steel rolling production system processing device
InactiveCN104550265AAvoid damageAvoid becomingMeasuring devicesMetal rolling arrangementsRolling mill
The invention relates to a steel rolling production system processing method and a steel rolling production system processing device. The method includes: detecting whether a steel rolling production system fails or not; if yes, detecting whether or not a rolling mill in the steel rolling production system is in the process of rolling a rolled piece; if yes, controlling the rolling mill to continue rolling the rolled piece; controlling the rolling mill to stop operation after the rolling mill completes rolling of the rolled piece. Compared with powering off the steel rolling production system in the prior art, the steel rolling production system processing method and the steel rolling production system processing device have the advantages that damage to the rolling mill due to the fact that sudden power-off enables the rolled piece to stay in the rolling mill can be avoided; additionally, the rolled piece can continue being rolled to be prevented from staying in the rolling mill and being turned into waste, so that resource waste is avoided.
Owner:SHANDONG IRON & STEEL CO LTD
Multimedia advertisement delivery method and system based on communication exchange device
InactiveCN1901579AEasy to handleEffective requestSpecial service for subscribersInformation resourceContact method
This invention relates to a multimedia ad issuance method and a system based on short message and color message of communication switch devices, in which, the system is a communication mode against acceptors based on various phones and various scales of switch devices to get number information of the acceptors by active issuance or passive reception to issue ad and connects communication switch devices by direct conection, LAN or internet, analyzes kind of the communication mode of the information resource of the acceptors to sort the object of the information source to collect and store the information source to ad acceptor information, which gets outgoing and access information by switch devices to get the contact way of ad acceptors of high degree of correlation to increase the efficiency of the ad issuance.
Owner:秦扬 +1
A low-light image enhancement method and system
Owner:深圳市百乐奇科技有限公司
Graded buffering high-shock-resistance bending-resistance pipe-in-pipe type guide pipe and fuel assembly
ActiveCN114352834AReduce shockRelieve pressureNuclear energy generationFuel element assembliesNuclear powerEngineering
The invention belongs to the technical field of nuclear fuel assemblies of nuclear power stations, and particularly relates to a graded buffering high-shock-resistance bending-resistance pipe-in-pipe type guide pipe and a fuel assembly. The guide pipe is composed of an outer pipe, an inner pipe and an end plug, the inner pipe is sleeved with the outer pipe, the bottom end of the inner pipe and the bottom end of the outer pipe are fixedly connected with the end plug, overflow holes are formed in the outer pipe and located at the upward position of the upper end of the inner pipe, and a plurality of bypass flow holes are formed in the position, close to the bottom, of the outer pipe in the radial direction. A plurality of buffer holes are formed in the inner pipe in the radial direction; the inner pipe is connected with the outer pipe through a plurality of connecting parts in the length direction. The overflow hole is formed in the outer pipe and located at the upward position of the upper end of the inner pipe, so that water in the guide pipe rapidly overflows when rod falling begins, and rapid rod falling is achieved; a plurality of drain holes formed in the inner pipe in the radial direction are matched with drain holes in the bottom of the end plug to achieve hydraulic buffering; crevice corrosion is relieved through an outer pipe bypass flow hole; the equivalent stiffness and the bearing capacity are improved through the multiple connecting parts, and the shock resistance and the bending resistance under high fuel consumption of the fuel assembly are improved.
Owner:NUCLEAR POWER INSTITUTE OF CHINA
Deviation rectification device for reamed bolt holes and manufacturing method of deviation rectification device
ActiveCN104148875AEasy to replaceQuick and easy re-use when replacing partsMetal working apparatusEngineeringBolt connection
The invention discloses a deviation rectification device for reamed bolt holes and a manufacturing method of the deviation rectification device, and aims to provide a tool for reamed hole bolt connection, wherein the tool is short in maintenance time, low in maintenance intensity, economical and practical. The deviation rectification device comprises a part I and a part II which need to be connected through reamed bolts, holes A are formed in the part I, an eccentric bushing A is installed in each hole A, an eccentric hole is formed in the center of each eccentric bushing A, holes B are formed in the part II, an eccentric bushing B is installed in each hole B, an eccentric hole is formed in the center of each eccentric bushing B, the distance between the center of each hole A and the center of the corresponding hole B is set as e, the distance between the center of the corresponding eccentric hole and the center of the outer circle of each eccentric bushing A and the distance between the center of the corresponding eccentric hole and the center of the outer circle of each eccentric bushing B are g, the value of g is greater than or equal to 0.5e and is less than or equal to e, the end face of one end of each eccentric bushing A is provided with a tapered concave platform consistent with the axis of the corresponding eccentric hole, and the end face of one end of each eccentric bushing B is provided with a tapered convex platform matched with the tapered concave platform of the corresponding eccentric bushing A. The deviation rectification device for the reamed bolt holes and the manufacturing method of the deviation rectification device are suitable for manufacturing of the parts connected through the reamed bolts and particularly suitable for maintenance of the parts connected through the reamed bolts.
Owner:GUANGXI YUFENG GRP
Fetus protection composition for increasing litter size of sow, nutritional feed for increasing litter size of sow and application of nutritional feed
InactiveCN109077189AHigh activityEliminate stressFood processingAnimal feeding stuffFolic acidSpecific protein
The invention provides a composition for increasing the first litter size of a sow, and belongs to the technical field of livestock breeding feed. The composition comprises, by weight, 0.3-0.5 part ofmulti-vitamins, 0.1-0.5 part of Baikal skullcap root extracts, 0.1-0.5 part of common jujube seed extracts and 1-1.5 parts of concentrated feed for the sow. The Baikal skullcap root extracts and thecommon jujube seed extracts cooperate with vitamin C in the multi-vitamins, stress of the expectant sow can be eliminated, the inner condition of a uterus is quieted, and the good inner condition of auterus is provided for fertilization and fertilized egg implantation. The concentrated feed for the sow is matched with beta-carotene and folic acid in the multi-vitamins, uterine specific protein secretion can be promoted, and conditions are provided for fertilized egg implantation. The four components are compounded, fertilized egg implantation can be advanced by 3-5 days, maternal nutrition israpidly acquired, the vitality and the survival number of fertilized eggs are increased, and 1-3 more piglets are produced by each sow at each birth.
Owner:河南大陆农牧技术股份有限公司
Ion exchanger
ActiveCN102386564AIncrease pulsation energyAvoid becomingElectrical apparatusOxygen ionsElectron flow
The invention provides an ion exchanger. The ion exchanger comprises a high-voltage-resistant insulation shell, a copper-made electric ion accepting barrel provided with a hollow cavity, a fullerene material fiber bundle provided with a plurality of tips, a first lead wire for transmitting free electrons and a second lead wire for leading out an electron flow; the high-voltage-resistant insulation shell is arranged at the outer part the copper-made electric ion accepting barrel; the inner part of the hollow cavity is in a vacuum state and is filled with metal mixed powder; an opening is arranged below the hollow cavity; the fullerene material fiber bundle stretches into the hollow cavity through the opening of the hollow cavity and is connected with the first lead wire; and the second lead wire is connected with the copper-made electric ion accepting barrel. With the ion exchanger, the pulse energy of the electric ions is effectively increased so that formed negative oxygen ions can rapidly reach a farther distance; the phenomenon that more water molecules and other particles in the air are combined to form large-diameter ions due to a low moving speed is avoided and ecological negative ions which are equal to natural ions are formed, so that the ions can be at the state of the negative ions with small grain diameters and high activity to act on the environment and human body medical care functions.
Owner:广东新活负离子科技有限公司
Specialty printing device and specialty printing method
PendingCN110509662AIncrease profitAvoid wastingTransfer printingPattern printingHot stampingPulp and paper industry
The invention discloses a specialty printing device and a specialty printing method. The specialty printing device comprises a first paper advancing mechanism, a second paper advancing mechanism, a pressing mechanism, an unrolling roller, a rolling roller and a control cabinet. The pressing mechanism comprises an upper pressing roller and a lower pressing roller. A first servo motor is in drive connection with the lower pressing roller. The first paper advancing mechanism and the second paper advancing mechanism are arranged on the two sides of the pressing mechanism. An electronic eye is arranged above the end, close to the first paper advancing mechanism, of the upper pressing roller. The unrolling roller and the rolling roller are arranged above the two sides of the upper pressing roller. A second servo motor is in drive connection with the rolling roller. A lifting mechanism is arranged at the bottom of the lower pressing roller so that the lower pressing roller can get away from or press the upper pressing roller. A controller is arranged in the control cabinet, and the electronic eye, the first servo motor, the second servo motor and the lifting mechanism are in signal connection with the controller. By means of the specialty printing device and the specialty printing method, the structure is reasonable, operation is simple, hot stamping foil passing through the pressingmechanism does not advance synchronously along with printed materials, the utilization rate of the hot stamping foil is higher, waste is avoided, and the expensive hot stamping foil is saved.
Owner:JIANGSU JIN JIA NEW PACKAGING MATERIALS CO LTD
Preparation process for synthesizing 2,6-dihydroxynaphthalene
ActiveCN108299162AReduce generationAvoid becomingOrganic chemistryOrganic compound preparationRoom temperatureWastewater
The invention discloses a preparation process for synthesizing 2,6-dihydroxynaphthalene. The preparation process comprises specific steps as follows: (1) in an autoclave, adding 33-34 parts of 2,6-naphthalenedisulfonic acid disodium salt, 12-18 parts of sodium hydroxide and 50-52 parts of water, performing stirring and heating to 280-320 DEG C, and performing stirring for reaction at the temperature for 8-10 hours; (2) stirring the solution obtained after the reaction in the step (1) and cooling the solution to the room temperature, adding sulfuric acid with concentration of 40%-60%, and performing neutralization reaction until PH being 0.5-2; (3) filtering a suspension from the step (2), transferring filtered solids to a container, adding 150-152 parts of hexane, 0.1-0.15 parts of a copper salt catalyst and 1-1.5 parts of a phase transfer catalyst, performing stirring and heating to 30-60 DEG C, adding 12-50 parts of an oxidant with concentration of 20%-30%, and continuing reaction at30-70 DEG C for 2-4 hours to obtain a 2,6-dihydroxynaphthalene solution. The preparation process has the advantages that salt-containing wastewater is reduced, dosage of sodium hydroxide and potassium hydroxide is reduced, and the yield is significantly increased.
Owner:柏盛新材料(甘肃)有限公司
Pure natural system cleansing oil with skin care effect and preparation method thereof
PendingCN114209629AFeel goodAdd lessCosmetic preparationsMake-upTriterpenoid CompoundSurface-active agents
The invention relates to pure natural system cleansing oil with a skin care effect and a preparation method thereof. The pure natural system cleansing oil with the skin care effect comprises the following components: natural grease, a natural emulsifier, a Chinese honey locust extract, a hawthorn seed extract and vegetable wax. According to the cleansing oil disclosed by the invention, fat-soluble components which are difficult to clean, such as oil stains, a sun-screening agent, a film-forming agent and cosmetics, on the surface of skin are dissolved by utilizing the natural grease and the natural emulsifier, instant emulsification is realized through hand massage, and the cleansing oil can be used for cleansing the skin in the process of washing with flowing water. Hydrophilic groups of the triterpenoid saponin and the soybean lecithin dissolve the substances in water through hydrogen bonds, the substances are cleaned by flowing water, and meanwhile, the vegetable wax can increase the viscosity of the cleansing oil, so that the use pleasure and the operation convenience are improved. The used components are all natural source substances, synthetic grease, semi-natural source grease, petroleum source grease and surfactants are not used, the mildness of the product is improved, and the irritation and residue of the formula are reduced.
Owner:守正创新生物科技(天津)有限公司
Plant composition with cleaning and repairing effects and use thereof
The invention relates to a plant composition with cleaning and repairing effects and use thereof. The plant composition with cleaning and repairing effects comprises a rice fermentation filtrate, a soapberry extract and a pepper seed extract. The rice fermentation filtrate, the soapberry extract and the pepper seed extract are creatively combined to form the brand-new plant composition. The rice fermentation filtrate, the soapberry extract and the pepper seed extract in the plant composition are scientifically combined, such that an unexpected synergistic interaction effect is achieved in cleaning skin grease and maintaining skin epidermis flora balance. The plant composition is natural, safe, mild and non-irritant, can be used for removing and washing daily cosmetics when being applied to preparation of cleaning type washing and care products, and has effects of cleaning and repairing skin and a good use feeling. The plant composition canobviously reduce the amount of a surfactant in the product, reduce damage to the skin epidermis barrier and prevent sensitivity of the skin.
Owner:广州睿森生物科技有限公司
Production technique of nutritional soak-free soybeans
InactiveCN101642217BShorten production timeTroubleshooting FiltrationFood preparationMilk substitutesFiltrationBiological value
Owner:ZHEJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Numerical-control metal cutting robot capable of recovering cutting fluid and application of robot
InactiveCN113070724AAvoid becomingSolve the problem that the distance cannot guarantee synchronizationLarge fixed membersDriving apparatusGear wheelControl engineering
The invention discloses a numerical-control metal cutting robot capable of recovering a cutting fluid. The numerical-control metal cutting robot comprises a first shell, the left side and the right side of the outer wall of a long rod are rotationally connected with the upper sides of the left side and the right side of the inner wall of the first shell through bearings correspondingly, first bevel gears are fixedly connected to the left side and the right side of the outer wall of the long rod correspondingly, the bottoms of the two first bevel gears are connected with the right sides of two second bevel gears in a meshing mode, threaded rods are fixedly connected to the bottoms of the two second bevel gears, and the bottoms of the outer walls of the two threaded rods are rotationally connected with the left side and the right side of the bottom of the inner wall of the first shell through bearings. According to the robot, through cooperation of a first handle, the long rod and the threaded rods, the first handle is rotated to drive the long rod and the first bevel gears on the two sides to rotate together, simultaneous ascending and descending of the two sides are achieved, the problem that it cannot be guaranteed that the ascending distances of the two sides are synchronous is solved, lateral deviation during ascending is prevented, machined parts are prevented from becoming waste parts, the cost is reduced, and the practicability is improved.
Owner:杨晓伟
Refrigerating system for fruit and vegetable refrigeration house
PendingCN113790561AImprove space utilizationAvoid becomingLighting and heating apparatusStationary refrigeration devicesLiquid waterEngineering
The invention relates to the technical field of refrigerating of refrigeration houses, and discloses a refrigerating system for a fruit and vegetable refrigeration house. The refrigerating system comprises an air-conditioning refrigerating device and a cold transfer pipeline used for transferring cold generated by the air-conditioning refrigerating device into the refrigeration house, refrigerant fluid is arranged in the cold transfer pipeline, the cold transfer pipeline comprises a cold absorption pipe and a cold discharge pipe which communicate with each other, the cold absorption pipe communicates with a cold exchange cavity, and a cooling grid of an evaporator of the air-conditioning refrigerating device is arranged in the cold exchange cavity. A first circulating pump is arranged between the cold absorption pipe and the cold discharge pipe, and the first circulating pump conveys the refrigerant fluid absorbing cold into the cold discharge pipe arranged in the refrigeration house. According to the target temperature of the refrigeration house, the temperature of the refrigerant fluid in the cold discharge pipe is adjusted to be slightly lower than the target temperature of the refrigeration house, so that the temperature difference between the cold discharge pipe and air in the refrigeration house is small, and therefore a large amount of steam in the air in the refrigeration house is prevented from being cooled and becoming liquid water, the uniformity and stability of air humidity of all parts in the refrigeration house are guaranteed, and therefore surface humidity changes of fruits and vegetables are reduced, and the fruit and vegetable fresh-keeping effect is improved.
Owner:MAOMING POLYTECHNIC
Adjustable fender for cars
InactiveCN108860330AAvoid becomingExtended service lifeSuperstructure subunitsAgricultural engineering
The invention discloses an adjustable fender for cars. The adjustable fender comprises a fender body; a lower end of the fender body is provided with an arc-shaped mounting groove; a bottom and two sides of the mounting groove are open; the width of the mounting groove is the same as the width of the fender body; a rubber block is arranged in the mounting groove, and the width of the rubber blockis the same as the width of the mounting groove; the lower end of the mounting block extends to the outside along the opening at the lower end of the mounting groove and is fixedly mounted with a pullstrip; a bottom surface of the pull strip is arranged in an arc shape, and a rectangle structure hollow cavity is arranged in the rubber block, and more than one spring is arranged in the cavity; anupper end of the spring is fixedly connected with the top surface of the cavity, and the lower end of the spring is fixedly connected with the bottom surface of the cavity; an outer wall surface of the spring is abutted to the inner wall surface of the cavity. The invention has the advantages of simple structure and convenient use, and can effectively adjust the height between the fender and the ground according to different road sections, thereby avoiding the fender becoming a scraping board and increasing the service life of the fender.
Owner:周标
Supporting ring for hot-press gluing machine
InactiveCN105235283AAdjust the size of the radiusUniform supportPaper-makingBox making operationsMechanical engineeringHot press
The invention relates to an auxiliary structure of cylinder gluing equipment and particularly discloses a supporting ring for a hot-press gluing machine. The supporting ring comprises a clamping block clamped on a machine body, multiple adjusting screws connected to the clamping block in a threaded manner and radially distributed, and an arc-shaped block connected with the heads of the screws. The situation that a machined cylinder is deformed due to the influence of dead weight can be avoided.
Owner:CHONGQING XINSHUI MACHINERY MFG
High electron mobility transistor epitaxial wafer preparation method for improving crystal quality
PendingCN114512394AImprove crystal qualityReduce the concentration of oxygen atomsPolycrystalline material growthSemiconductor/solid-state device manufacturingDevice materialMaterials science
The invention provides a high-electron-mobility transistor epitaxial wafer preparation method capable of improving crystal quality, and belongs to the technical field of semiconductor devices. And carrying out plasma treatment on the surface of the AlN layer by using N2O gas. And carrying out plasma treatment on the surface of the AlN layer by using the nitrogen atom group and the oxygen atom group with positive charges. The nitrogen atom groups with positive charges can fill nitrogen vacancy defects in the AlN layer of the negative electrode, and the defects are reduced. Oxygen atoms with negative charges are decomposed from oxide on the surface of the silicon substrate and are combined with oxygen atoms in the N2O plasma to generate oxygen molecules, and impurities are reduced. The hydrogen carries out plasma treatment on the surface of the AlN layer, and hydrogen atoms and oxygen atoms can be combined to generate H2O which is discharged out of the reaction cavity. Defects and impurities existing in the AlN layer are effectively reduced, and the quality of the AlN layer is effectively improved, so that the quality of the finally obtained high-electron-mobility transistor is improved.
Owner:HC SEMITEK ZHEJIANG CO LTD
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