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Road section traffic flow prediction method based on time convolution neural network
PendingCN111126680AImprove forecast accuracyShort training timeDetection of traffic movementForecastingNeural net architectureData set
The invention discloses a road section traffic flow prediction method based on a time convolution neural network, and the method comprises the following steps: combining collected historical traffic flow data according to a specified time interval, carrying out the normalization processing, and dividing the normalized traffic flow data into a training data set, a verification data set and a test data set; establishing a traffic flow prediction method based on a time convolutional neural network, training a time convolutional neural network prediction model by using the training data set, screening out an optimal prediction model by using the verification data set, and performing traffic flow prediction on the test set by using the time convolutional neural network model; and comparing theprediction data with the actual data, and performing error analysis. Based on the time convolution neural network structure, the space-time correlation of the traffic flow is considered, the trainingtime is short, and the prediction precision is high.
Owner:ZHEJIANG UNIV
Built-in testing design method based on relevance model
ActiveCN102930081ARaise the level of design for testabilityReduce the numberSpecial data processing applicationsTest vectorAmbiguity
The invention belongs to the testability technology and relates to a built-in testing design method based on a relevance model. The method uses a product relevance model as a basis and comprises the following steps of: at first, simplifying the relevance model, and removing a redundancy test and combining an ambiguity group; secondly, identifying a minimum test vector matrix corresponding to each fault; thirdly, determining an optimal testing vector according to a reliability index and a test cost of a test as a criterion for fault detection and separation; and finally, converting the criterion into an embedded diagnostic program and arranging the embedded diagnostic program in a built-in test of a product. With the adoption of the method provided by the invention, a fault source can be accurately found out through the optimal test cost and the least test quantity, so that the testability and the design level of an electronic product can be improved.
Owner:CHINA AERO POLYTECH ESTAB
Method, device and system for keeping synchronous watching record among multiple film watching devices
ActiveCN103731682ASmall footprintAvoid longSelective content distributionMessage queueUser identifier
The invention provides a method, device and system for keeping synchronous watching record among multiple film watching devices. The method comprises the following steps: receiving a request of a reporting playing record sent by a client, wherein the request of the reporting playing record carries a video ID (Identification), a user ID, current playing time, ID of an album to which the video belongs, a video type and a client type; according to the difference of the user ID, sending the request of the reporting playing record to pre-divided different message queuing middlewares, wherein the quantity of the message queuing middlewares is at least two; only preserving a replaying record for one video, deleting repeated reporting playing records of the video ID and the album ID; generating a unique ID for the replaying records, and storing the playing records carrying the unique ID into a cache and a database. According to the method, the request of responding the client can be accelerated, and the occupation space of the cache or database is reduced.
Owner:FLYING FOX INFORMATION TECH TIANJIN CO LTD
Continuous stamping bending die
The invention discloses a continuous stamping bending die, which comprises an upper die base, a first end face, an upper pad, a fixed plate, a stopped baffle, a stripper plate, a material press block, a lower material floating block, a lower die base, a lower die angle, a lower support plate, a lower bending block, a material guide plate, a floating plate, a lower pad and a lower die plate; the continuous stamping bending die also comprises a plurality of punch heads, a guide pillar, a miscarriage detection pin and a slide block which are arranged on the upper die base. In this way, the continuous stamping bending die can finish punching, cutting off and two bending actions on a set of moulds, and simultaneously, the continuous stamping bending die is also equipped with a punching slide block; two kinds of standard products of the punching can be realized through installing or withdrawing the slide block, thereby enlarging the applicability of the mold, avoiding multiple sets of moulds, reducing the mould cost and the mould maintenance cost, greatly improving the processing efficiency of production, and realizing the continuous processing, so that the batch production is suitable; in addition, the continuous stamping bending die is equipped with the miscarriage detection pin so as to avoid processing wrongly and saving materials.
Owner:JIANGSU RONGTENG PRECISION COMPONENTS
Short text feature extraction method based on multi-feature factor fusion
PendingCN109977206AAvoid longClear themeDigital data information retrievalNatural language data processingPart of speechFeature fusion
The invention relates to a short text feature extraction method based on multi-feature factor fusion, which comprises the following steps of: carrying out word segmentation and stop word removal processing on short text comments through a conjunctive word segmentation tool so as to construct a preliminary text feature word vector matrix; combining a traditional TF-IDF algorithm to carry out weightcalculation on the constructed feature word vector matrix by using an IDF obtain a weight vector matrix; introducing a feature word position influence factor and a part-of-speech feature factor, carrying out part-of-speech tagging on the preliminary text feature words one by one, and calculating the sum value of each feature word; multiplying the obtained sum values with a weight value corresponding to the conventional TF-IDF algorithm, to finally obtain a weight vector matrix of the optimized TF-IDF algorithm. According to the technical scheme provided by the invention, a word weight imbalance problem of the traditional TF-IDF algorithm can be solved to a certain extent, so that the text characteristic extraction accuracy is improved, and effective help is provided for emotion classification tasks.
Owner:NORTHWEST UNIV
Pickup lens
A pickup lens is provided with various aberrations corrected satisfactorily, with a short optical length, and with a sufficient back focus secured. The configuration comprises an aperture diaphragm S1, first lens L1, second lens L2, and third lens L3, and is configured by arranging, in order from the object side to the image side, the aperture diaphragm, first lens, second lens, and third lens. The first lens is a lens having positive refractive power, in a meniscus shape with the convex surface on the object side. The second lens is a lens having negative refractive power, in a meniscus shape with the convex surface on the image side. The third lens is a lens having negative refractive power, in a meniscus shape with the convex surface on the object side. Both of the surfaces of the first lens are aspherical, both of the surfaces of the second lens are aspherical, and both of the surfaces of the third lens are aspherical.
Owner:SEIKOH GIKEN
Rotary excavating pile machine double-cylinder hydraulic grab
The invention relates to a rotary excavating pile machine double-cylinder hydraulic grab which can rotate by 360 degrees. According to the hydraulic grab, double cylinders control a rotary excavating pile machine to be opened and closed. The problems that an existing opening-closing type grab only relies on the weight of the grab, the grab is inserted into a soil layer in a free-falling mode downwards, an inserting point cannot be controlled accurately easily, and soil discharging cannot be carried out smoothly are mainly solved. Two grab shafts are connected to the lower end of a lower stand cylinder. A jaw clutch is arranged at the upper end in the lower stand cylinder. The lower stand cylinder is connected with an upper stand cylinder through a flange. A symmetrical shaft on the outer side of the upper end of the upper stand cylinder is connected with two opening-closing hydraulic cylinders. Four telescopic ends of the two opening-closing hydraulic cylinders are connected to two grabs. A telescopic drilling rod is connected into a sleeve groove of the jaw clutch. According to the rotary excavating pile machine double-cylinder hydraulic grab, grab falling direction can be controlled accurately, rotating and pressurizing by 360 degrees can be achieved, and the hydraulic grab has the advantages of being short, light in weight and good in guiding performance.
Owner:XIANGYANG CHANGKAN INTELLIGENT MACHINERY
Full hydraulic intelligent shaft umbrella drill
PendingCN110529050AAchieving non-translational workSimple structureDerricks/mastsStructural engineeringControl valves
The invention discloses a full hydraulic intelligent shaft umbrella drill which comprises a telescopic supporting column and a sleeve, wherein the sleeve is arranged outside the supporting column, andis driven by an angling cylinder to rotate around the axis of the supporting column; main arms are distributed in the circumferential direction of the sleeve in a ring array; the main arms are hingedto the sleeve; sliding frames are hinged to the other ends of the main arms; the full hydraulic intelligent shaft umbrella drill is also provided with a pitching cylinder and an overturning cylinder;and a supporting cylinder is controlled to ascend and descend and expand and retract by a control valve, when the device is adjusted to a proper position, three side supports are fully opened, are supported by the side wall of a shaft and are used for fixing the umbrella drill, and when three drill arms are enabled to be drilled downwards, the stability of the device meets the working requirement. The three drill arms adopt hydraulic control translation scheme. The lifting, pitching and left-right swinging of the drill arms and the propelling, rotating and impacting of a rock drill are controlled by a remote controller.
Owner:CHINA COAL MINE CONSTR GRP +3
Multi-stage load reduction device
ActiveCN111717331AAvoid too long bulletsSimple to buildWatercraft hull designAircraft landing aidsEnergy absorptionMechanical engineering
The invention discloses a multi-stage load reduction device which comprises a cavitator, a load reduction fragile piece and a telescopic connecting pipe. The cavitator is of a cone structure; the telescopic connecting pipe comprises a cylinder and a circular pipe; the circular pipe is fixedly connected with the head of a navigation body; the cylinder is in sliding connection with the circular pipe; the cylinder and the circular pipe are fixed to keep the maximum length in the initial state, and load-reducing breakable parts are wrapped between the cavitator and the head of the navigation bodyand on the periphery of the cylinder and the circular pipe; an elastic part is arranged on the inner wall of the upper end of the circular pipe; the lower end of the cylinder is fixedly connected withthe cone-shaped body plane of the cavitator; and a groove matching the elastic part is formed in the upper end of the cylinder. According to the invention, the load borne by the head is lower, the force borne by a truncated cone-shaped breakable part is more uniform, the breaking energy absorption is more thorough, the truncated cone-shaped breakable part is connected with the gyro-type cavitatorfor underwater navigation, and the influence of outer cover fragments in the load reduction head cap on the navigation body is avoided.
Owner:HARBIN ENG UNIV
Pre-training model acquisition method and device, disease entity labeling method and device and storage medium
PendingCN112016319AReduce vocabularyReduce sizeNatural language data processingMachine learningPattern recognitionWord list
The invention relates to the technical field of artificial intelligence, in particular to the field of disease entity annotation of natural language processing, and discloses a pre-training model acquisition method and device, a disease entity labeling method and device and a storage medium, which can effectively improve the pre-training efficiency. The method comprises the steps of obtaining a first Chinese corpus, and performing word segmentation processing on the first Chinese corpus to obtain a preliminary word segmentation result; performing word segmentation on the non-common words of the preliminary word segmentation result to obtain a target word segmentation result; creating a Chinese vocabulary of a pre-training model according to the target word segmentation result; and pre-training the pre-training model by using the Chinese vocabulary to obtain a target pre-training model.
Owner:PING AN TECH (SHENZHEN) CO LTD
Concrete release agent and preparation method thereof
InactiveCN113025412AGood stabilityReduce the amount of adhesionCeramic shaping apparatusLubricant compositionComposite materialPolyoxydony
The invention discloses a concrete release agent and a preparation method thereof. The concrete release agent comprises the following raw material components in parts by mass: 45-60 parts of vegetable oil, 7-13 parts of an oily emulsifier, 7-13 parts of a composite water-based emulsifier, and 180-300 parts of water, wherein the composite water-based emulsifier is selected from more than two of Tween, polyoxyethylene octyl phenol ether and sodium dodecyl benzene sulfonate. According to the concrete release agent, the oily emulsifier is matched with the water-based emulsifier, so that the concrete release agent is relatively good in stability and small in adhesion amount, meanwhile, the drying and film-forming time of the concrete release agent is relatively short, and a concrete surface decoration procedure is not influenced.
Owner:SHANXI SUNWAY INTION TRADE CO LTD
Unit test script writing method and system for set top box
InactiveCN106325888AShortSimple logicSoftware testing/debuggingSoftware designTest programSet top box
The invention relates to a unit test script writing method and system for a set top box. The method includes the steps that templated design of a unit test script is carried out, global interface parameters are defined, and a test result is returned; test programs are written in advance, common interface test instructions are defined to call common interfaces and the test programs for testing, and a test result is generated and fed back to the global interface parameters; a common printing interface is set to print the test result. Thus, it is only needed to select needed instructions from the defined common interface test instructions for any tester, and differences caused by the difference of testers are avoided; the unit test script is small in length and simple in logic and can be conveniently read or modified by other testers, and thus the test accuracy and the test efficiency are greatly improved; by loading the unit test script in the set top box, the memory utilization rate of the set top box is greatly increased.
Owner:SHENZHEN JIUZHOU ELECTRIC
Intelligent electric power inspection robot with function of advancing in narrow space
The invention discloses an intelligent electric power inspection robot with the function of advancing in a narrow space. The robot comprises a working barrel. A mounting platform is arranged at the top end of the working barrel, traveling wheel assemblies are symmetrically arranged on the front and rear of the mounting platform. Each traveling wheel assembly comprises a foot plate, a bracket and a driving motor, and the foot plate and the bracket are fixedly connected to the top end of the mounting platform respectively, a first rotating shaft is rotationally connected to the foot plate, and one end of the first rotating shaft is sleeved with a traveling wheel matched with a track cable. According to the intelligent electric power inspection robot with the function of advancing in the narrow space, a mounting or dismounting structure between each traveling wheel assembly and the track cable is very simple, the whole robot can be mounted or dismounted only by completing the tightening or loosening work of a first fastening nut and a second fastening nut and completing the lifting work of the vertical plate, and operation is very convenient to carry out; and the whole mounting or dismounting structure is limited on the mounting platform of the working barrel and is telescopically controlled, so that the volume of the whole robot can be effectively limited, and the whole robot can conveniently move and work in a narrow cable tunnel.
Owner:程秀珍
Liquid heating apparatus and liquid heating method
ActiveUS9485807B2Evenly heatedSpeed up the flowLiquid transferring devicesBeverage vesselsEngineeringResidence time
Provided is a liquid heating apparatus capable of heating fluid such as peroxosulfuric acid solution to high temperature in a short time. The heating apparatus includes: a flow channel member forming a flow channel 4 allowing liquid to flow and having flow channel thickness of 10 mm or smaller, the flow channel member composed of material transmitting near-infrared rays; and a near-infrared heaters 7, 8 placed over the outside of at least one of opposite flow channel surfaces of the flow channel and heating the liquid in the flow channel. The liquid flowing through the flow channel is instantaneously and evenly heated using near-infrared rays. It is preferable that spacers 6 be further provided within the flow channel 4 in order to limit the volume of the flow channel. Since not only the residence time in the heating apparatus can be shortened but the possible largest heat transfer area can be also maintained by decreasing the volume of the flow channel of the heating apparatus and by increasing the flow velocity in the heating apparatus, it is possible to increase the temperature of liquid to be heated to high temperature in a very short time even if the preset temperature of heat transfer surfaces is low.
Owner:KURITA WATER INDUSTRIES LTD
Fast adjusting mechanism for molding angle of die
The invention discloses a fast adjusting mechanism for the molding angle of a die. The fast adjusting mechanism for the molding angle of the die is provided with a drive punch, an adjusting block, a limiting block and a molding block; an addition device is added or reduced on the drive punch to change the downward movement distance of the drive punch and the movement distance of the adjusting block so as to change the stress of a processed product on the molding block, thereby changing the processing and molding angle of the product. The molding angle of the processed product can be fast adjusted; a plurality of dies are avoided; the die cost and the maintenance cost of the die are reduced, and the producing and processing efficiency is greatly improved.
Owner:JIANGSU RONGTENG PRECISION COMPONENTS
Efficient active and passive heat management system suitable for air-ground roundtrip and design method thereof
ActiveCN107738755AReduce complexityReduce demandPower plant cooling arrangmentsConditioning fuel arrangementsCombustion chamberHeat management
The invention relates to an efficient active and passive heat management system suitable for an air-ground roundtrip and a design method thereof. A cooling network in the active and passive heat management system comprises a fuel cooling pipeline, a cooling heat exchanger and a liquid nitrogen cooling system. Fuel in a fuel tank flows to the cooling heat exchanger arranged at a high-temperature part through the cooling pipeline, one part of fuel enters an engine combustion chamber to provide thrust after cooling of the high-temperature part, and the other part of fuel enters the liquid nitrogen cooling system, is cooled and then returns to the fuel tank. The efficient active and passive heat management system adopts active and passive heat shielding combination of a whole aircraft, on onehand, the non-ablation repeated use requirement of the high-temperature part is ensured; on the other hand, passive heat shielding is adopted for a non-high-temperature part, the complexity of a heatproof system is reduced, and the fuel demand is reduced. The cooling network firstly passes through the lower-temperature part and then passes through the high-temperature part of an engine, and the fuel utilization rate is improved.
Owner:CHINA ACAD OF LAUNCH VEHICLE TECH
Method for preparing morinda citrifolia polysaccharide with high anti-cancer and antioxidant activity by cascade physical field
ActiveCN111087485AImprove polysaccharide yieldIncrease uronic acid contentAntinoxious agentsAntineoplastic agentsFreeze-dryingZinc chelate
The invention discloses a method for preparing morinda citrifolia polysaccharide with high anti-cancer and antioxidant activity by a cascade physical field. The method comprises the following steps: (1) drying and powdering morinda citrifolia, degreasing and decoloring with ethanol, and drying to obtain morinda citrifolia powder; (2) preparing a polysaccharide extraction solution from the morindacitrifolia powder by adopting an intermittent pulsed electric field-ultrasonic wave-continuous pulsed electric field treatment mode, and (3) carrying out purification, low-temperature concentration, alcohol precipitation separation and freeze drying on the extraction solution to obtain morinda citrifolia polysaccharide. The method is high in polysaccharide yield and low in energy consumption, acidor enzyme is not needed, and prepared morinda citrifolia polysaccharide has a relatively small molecular weight, relatively high uronic acid content and relatively good anti-cancer and antioxidant activity. Meanwhile, morinda citrifolia polysaccharide has relatively high chelating capability with zinc, and the anti-cancer activity of the formed morinda citrifolia polysaccharide-zinc chelate is greatly increased.
Owner:SOUTH CHINA UNIV OF TECH
Sheet metal processing device
ActiveCN106112545AAvoid entanglementAvoid damageOther manufacturing equipments/toolsLaser cuttingEngineering
The invention discloses a sheet metal processing device, and relates to the field of steel plate processing. The device comprises a feed and discharge mechanism, a laser cutting mechanism, a turnover mechanism, a grinding mechanism, a conveying mechanism and a cleaning and drying mechanism, wherein the feed and discharge mechanism, the laser cutting mechanism, the turnover mechanism, the grinding mechanism, the conveying mechanism and the cleaning and drying mechanism are sequentially connected. The laser cutting mechanism comprises a gantry beam and a robot. The robot is fixed to the gantry beam. A circular rail is arranged below the gantry beam. Multiple slide assemblies are arranged at the bottom of the circular rail. Tension balancers are arranged at the bottoms of the slide assemblies. The turnover mechanism comprises a supporting frame. A turnover frame is arranged inside the supporting frame. A steel plate containing area is arranged inside the turnover frame. A steel plate clamping and feeding mechanism is arranged in the steel plate containing area and is fixedly connected with the turnover frame. The tops of feeders are used for containing a steel plate. The feeders are vertically arranged in parallel. Clamps used for clamping the steel plate are arranged on the feeders. By means of the sheet metal processing device, the labor intensity can be lowered, safety is achieved, and the quality of the steel plate can be improved.
Owner:WUHAN TIANQI LASER EQUIP MFG
Light detection method and electronic equipment
The invention discloses a light detection method and electronic equipment. The electronic equipment is provided with a light selection unit and a waveguide unit. The waveguide unit has a light reception end and a light output end, wherein the light reception end is provided with a beam splitting unit, and the light output end is provided with a photosensitive unit. The method comprises the following steps: obtaining current ambient light through the light selection unit, and enabling the ambient light to be projected to the beam splitting unit in a first direction; splitting the ambient light into different set single-wavelength light beams through the beam splitting unit, and enabling the different set single-wavelength light beams to enter the waveguide unit in different directions respectively through the light reception end; enabling the different set single-wavelength light beams to be reflected and transmitted in the waveguide unit in a first reflection manner through the waveguide unit; detecting light intensity of the different set single-wavelength light beams reflected through the waveguide unit and output through the light output end of the waveguide unit through the photosensitive unit; and generating spectrum of the ambient light according to the light intensity of the different set single-wavelength light beams.
Owner:LENOVO (BEIJING) CO LTD
Prestressed reinforcement reinforcing system used for dome ring beam and construction method of prestressed reinforcement reinforcing system
PendingCN112227527AReduce stress and deformationReduce the generation of concrete cracksWallsBuilding reinforcementsRebarReinforced concrete
Owner:CNOOC GAS & POWER GRP +1
A sheet metal processing equipment
ActiveCN106112545BAvoid entanglementAvoid damageOther manufacturing equipments/toolsLaser cuttingUltimate tensile strength
The invention discloses a sheet metal processing device, and relates to the field of steel plate processing. The device comprises a feed and discharge mechanism, a laser cutting mechanism, a turnover mechanism, a grinding mechanism, a conveying mechanism and a cleaning and drying mechanism, wherein the feed and discharge mechanism, the laser cutting mechanism, the turnover mechanism, the grinding mechanism, the conveying mechanism and the cleaning and drying mechanism are sequentially connected. The laser cutting mechanism comprises a gantry beam and a robot. The robot is fixed to the gantry beam. A circular rail is arranged below the gantry beam. Multiple slide assemblies are arranged at the bottom of the circular rail. Tension balancers are arranged at the bottoms of the slide assemblies. The turnover mechanism comprises a supporting frame. A turnover frame is arranged inside the supporting frame. A steel plate containing area is arranged inside the turnover frame. A steel plate clamping and feeding mechanism is arranged in the steel plate containing area and is fixedly connected with the turnover frame. The tops of feeders are used for containing a steel plate. The feeders are vertically arranged in parallel. Clamps used for clamping the steel plate are arranged on the feeders. By means of the sheet metal processing device, the labor intensity can be lowered, safety is achieved, and the quality of the steel plate can be improved.
Owner:WUHAN TIANQI LASER EQUIP MFG
Rinsing control method and device and washing equipment
PendingCN112411123AShorten the timeExtension of timeControl devices for washing apparatusTextiles and paperProcess engineeringIndustrial engineering
The invention provides a rinsing control method and device and washing equipment. The method comprises the steps: stopping the dewatering of clothes in the washing equipment after the washing equipment is in a rinsing mode if the operation state of the washing equipment is detected to be an unbalanced state, and carrying out the washing of the clothes, so as to achieve the balance correction of the washing equipment. When the washing treatment is finished, the remaining rinsing times are obtained and updated, so that on the basis of realizing balance correction, the rinsing time is prevented from being prolonged, the clothes washing time is prevented from being prolonged, the problem of overlong clothes washing time is avoided, the waiting time of a user is shortened, and the user experience is improved.
Owner:QINGDAO HAIER WASHING MASCH CO LTD +1
Environment-friendly shaving board pressing equipment
PendingCN113059647AQuick pressEnhanced inhibitory effectChain sawsDomestic articlesIndustrial engineeringSupport plane
The invention relates to pressing equipment, in particular to environment-friendly shaving board pressing equipment. The technical problem to be solved is how to design the environment-friendly shaving board pressing equipment which is good in pressing effect, does not affect subsequent use and can dry shaving boards. The environment-friendly shaving board pressing equipment comprises a base, n-shaped supporting plates and a material pressing mechanism, wherein supporting frames are symmetrically installed on one side of the base; the n-shaped supporting plates are mounted on the base at intervals; and the material pressing mechanism is installed among the base, the supporting frame and the n-shaped supporting plates and used for pressing wood chips into shaving boards. The wood chips are poured into a lower conveying belt, a servo motor is started to enable the upper conveying belt and the lower conveying belt to be in running fit to press the wood chips into shaving boards, the shaving boards fall onto a slotting belt, then the slotting belt rotates reversely to drive the shaving boards to move leftwards to a placement frame, a drying fan dries and dehumidifies the shaving boards, and the wood chips can be rapidly pressed into the shaving boards, and the pressing effect is high.
Owner:南京知行合贸易有限公司
Method for solving mapping failure
The invention relates to a method for solving mapping failure, aiming to promptly update a mapping entry cached at an access router at an opposite end. The access router of a mobile node adopts the following procedures to forward a packet to be transmitted to the mobile node: finding whether the mobile node is connected with a network through the access router to directly send the packet to the mobile node; and checking a local mapping table to find whether the mapping of the mobile node is cached; if the mapping of the mobile node is not cached, informing an access router corresponding to a packet source of the mapping of the mobile node, otherwise, finding whether a local pointer is maintained for the mobile node; and if the local pointer is maintained for the mobile node, forwarding the packet to a following access router pointed by the pointer, otherwise, discarding the packet. Various types of mapping failure caused by movement can be effectively solved, triangular routing can be avoided, and network resources can be saved.
Owner:BEIJING JIAOTONG UNIV
Method for measuring zilpaterol by using CdTe quantum dot
ActiveCN108037105ASimple detection operationReduce testing costsFluorescence/phosphorescenceAntigenZilpaterol
The invention discloses a method for measuring zilpaterol by using a CdTe quantum dot. The method comprises the following steps: preparing a CdTe-zilpaterol antibody; preparing a zilpaterol antigen-coated ELISA plate; adding zilpaterol standard solutions and CdTe-zilpaterol antibody solutions with a series of concentration into each hole of the ELISA plate, setting a blank control group simultaneously, incubating and washing; measuring the fluorescence intensity F of each hole in the ELISA plate, setting the fluorescence intensity of the blank control group as F0, calculating the inhibition rate I which is equal to (F-F0) / (Fmax-F0), and drawing a standard curve by taking the inhibition rate as vertical coordinate and the logarithm of the zilpaterol standard solution concentration as horizontal coordinate; and adding a to-be-detected sample and the CdTe-zilpaterol antibody solution into the ELISA plate, incubating, washing, measuring the fluorescence intensity and substituting into thestandard curve to obtain the zilpaterol concentration of the to-be-detected sample. According to the method, the zilpaterol is measured by the CdTe quantum dot, the detection cost is low, the detection time is short, the sensitivity is high and the specificity is high.
Owner:INST OF AGRI PROD QUALITY SAFETY & STANDARD JIANGXI ACAD OF AGRI SCI
A method for preparing noni polysaccharide with high anti-cancer and antioxidant activity in a stepped physical field
ActiveCN111087485BImprove polysaccharide yieldIncrease the sugar contentAntinoxious agentsAntineoplastic agentsFreeze-dryingAlcohol ethyl
Owner:SOUTH CHINA UNIV OF TECH
Power device manufacturing equipment with waste recovery function
ActiveCN112756868AEasy to cleanIncrease processing costWelding/cutting auxillary devicesCleaning using toolsDust controlWaste product
The invention discloses power device manufacturing equipment with a waste recovery function. The power device manufacturing equipment with the waste recovery function comprises a bottom plate, a machining platform, a longitudinal plate, a protective blocking cover, a waste recovery cabinet and a threaded rod. Supporting legs are welded to the four corners of the bottom of the machining platform, a cleaning box is fixed to the tops of moving wheels, and the waste recovery cabinet is welded to the surface of the top of the bottom plate. A sliding frame is welded to the end, away from a fixing plate, of an electric telescopic rod in the manner of penetrating through the longitudinal plate, the threaded rod is connected to the interior of the sliding frame through an embedding opening, a triangular connecting frame is welded to the top of the threaded rod, and a connecting piece is welded to the surface of the side, away from the sliding frame, of the triangular connecting frame. The surface of the side, away from the sliding frame, of the connecting piece is detachably connected with the protective blocking cover through a bolt. By arranging the waste recovery cabinet, the collected waste can be subjected to soaking, dust removal, screening and corresponding wastewater purification treatment, so that subsequent classification and utilization of the waste are facilitated, the wastewater treatment cost is reduced, and water pollution is also avoided.
Owner:广州渺钛新材料科技有限公司
An input-split two-speed transmission system for a hybrid vehicle and the vehicle
ActiveCN112046267BImprove operational efficiencyOptimize layoutHybrid vehiclesGas pressure propulsion mountingGear wheelGear train
The invention belongs to the technical field of automobile hybrid power, and in particular relates to an input-splitting two-speed transmission system for a hybrid automobile and the automobile. An input-split two-speed transmission system for a hybrid vehicle, comprising an engine, an electric motor, a starter generator, a clutch, a brake, a planetary gear train, a reduction mechanism, and a differential; the clutch includes a motor clutch; the brake includes Engine brake and motor brake; the planetary gear train includes sun gear, planetary gear, planet carrier and ring gear; the engine is connected to the planet carrier through the engine brake, and the motor is connected to the ring gear through the motor clutch and motor brake. The integrated generator is connected to the sun gear through a single-speed ratio gear; the output torque of the inner ring gear is coupled with the torque of the motor, and then transmitted to the wheels through the reduction mechanism and the differential. The invention can reduce fuel consumption and emission while ensuring the performance of the whole vehicle, and is easy to arrange.
Owner:XI AN JIAOTONG UNIV
Manufacturing process of vacuum heat insulation and preservation plate
PendingCN112876139AImprove integrityGood energy saving and heat preservation effectClimate change adaptationInsulation improvementDamp proofingPolyvinyl alcohol
The invention discloses a manufacturing process of a vacuum heat insulation and preservation plate, and belongs to the technical field of external wall heat preservation materials for buildings. The vacuum heat insulation and preservation plate comprises a core material plate and a protective layer, the protective layer wraps the periphery of the core material plate, and the manufacturing steps comprise manufacturing the core material plate, adding prepared core material plate raw materials into a stirrer, adding water, and conducting stirring to form slurry; feeding a slurry-like core material plate raw material into a forming mold, carrying out extrusion forming to obtain a formed core material plate, obtaining a protective layer consisting of a cement fiber felt and a polyvinyl alcohol film, finally adding a getter into through holes in the core material plate, coating two plate surfaces of the core material plate with a fireproof adhesive, and wrapping the periphery of the core material plate with the protective layer; and conducting extruding by using a roller, conducting drying, polishing and trimming, placing the obtained material in a shade place until complete curing, spraying a waterproof agent and a moisture-proof agent, and conducting sealing and packaging. The problems that in the prior art, an insulation plate is high in manufacturing cost and not high in heat resistance are solved, operation is easy and convenient, and practicability is high.
Owner:合肥神舟建筑集团有限公司
Energy-saving charging pile based on new energy automobile
PendingCN112810483APrevent leakageAvoid chippingCharging stationsElectric vehicle charging technologyLightning rodNew energy
The invention discloses an energy-saving charging pile based on a new energy automobile, the energy-saving charging pile comprises a charging pile main body and a rain shelter sleeve plate, the upper end of the charging pile main body is provided with the rain shelter sleeve plate, the middle of the upper end of the rain shelter sleeve plate is provided with a lightning rod, the left side of the lightning rod is provided with a raindrop sensor, and the right side of the lightning rod is provided with an alarm. A display screen is arranged on the front end face of the charging pile body, a PLC is arranged in the display screen, a storage groove is formed in the lower side of the PLC, and a storage bearing is arranged in the storage groove. The energy-saving charging pile based on the new energy automobile is provided with the canopy sleeve plate, the charging pile body can be shielded, the charging pile body is prevented from being wetted by rainwater, the electricity leakage phenomenon of the charging pile body is avoided, the length of the folding shed can be adjusted through the electric push rod, the folding shed can be opened in rainy days, and when not in use, the folding shed can be stored and folded into the rain shelter sleeve plate.
Owner:山东电子职业技术学院
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