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33results about How to "Make up time" patented technology

Photoetching machine projection objective wave aberration on-line detector and method

ActiveCN101840164AMake up timeMake up for the lack of low contrast of interference fringesPhotomechanical exposure apparatusMicrolithography exposure apparatusWave aberrationMeasurement precision
The invention discloses a photoetching machine projection objective wave aberration on-line detector and a method. A diffuser is integrated on an object space mask plate which is arranged on the object plane of a projection objective, fixed, supported and driven by an object space work piece table in the photoetching machine; an image space mask plate is arranged on the image plane of the projection objective, supported and driven by an image plane work piece table. A collimator objective is arranged after the image surface of the projection objective; and the focal plane of the object space of the collimator objective is coincided with the image plane of the projection objective. Shearing mechanism is arranged between the projection objective and a photoelectric detector. The invention can realize the continuous tunableness of the shear ratio and increases the measuring sensitivity and measuring accuracy; secondly, a square hole is used for expanding the light source, thus increasing the utilization factor of the light intensity of the exposure light source, the measuring speed and measuring accuracy; and finally, the system error self-calibration technology can rapidly obtain the wave aberration of the projection objective with high precision.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

In-air traffic police system for emergent traffic scene

The invention discloses an in-air traffic police system for an emergent traffic scene. The in-air traffic police system comprises a drone flight control device, a road detection processing device and a traffic signal display device. The drone flight control device is used for controlling takeoff, landing and flying and posture adjustment of a drone according to a received destination instruction of a ground operation end by combining a GPS positioning system so as to allow the drone to precisely move to the destination. The destination comprises an upstream designated position of a target intersection or an accidental place. The road detection processing device is used for acquiring image videos and samples of a target road section so as to achieve shooting of the target road section, calculating the current road information and transmitting the road information to the traffic signal display device. The traffic signal display device is used for receiving the road information and displaying related road states. According to the invention, time consuming and low efficiency problems in the occasion only relaying on polices to deal with the accidents in an emergent scene at present can be overcome, the system is characterized by intelligence, flexibility and high efficiency, and intelligence and high efficiency of accident processing are ensured.
Owner:WUHAN UNIV OF TECH

Moveable charging system of electric vehicle

The invention relates to a movable charging system of an electric vehicle. The movable charging system comprises a fixed power supply unit and a power receiving unit, wherein the fixed power supply unit is arranged besides a road, the power receiving unit is arranged on the electric vehicle, the fixed power supply unit comprises a main power supply cable, power supply electrodes and a guide rail, the power receiving unit comprises a power receiving telescopic arm assembly and a control electric box, the power receiving telescopic arm assembly comprises a power receiving head, a telescopic arm and a telescopic mechanism which are sequentially connected, one end of the power receiving head is an extending end, and the other end of the power receiving head is connected with a to-be-charged power source in the electric vehicle through a connecting cable. During the charging process, the power receiving head extends into an electrode mounting groove and is electrically connected with the corresponding power supply electrode. The mobile charging system has the advantages that based on the characteristics of safety and high operability, the electric vehicle can be quickly charged in the normal driving process, and the defects of endurance and longer parking charging time of the battery of the electric vehicle are overcome; compared with fuel automobiles, more convenience in use is realized; the limitation of power off in the driving process is avoided, and the popularization of the electric vehicle becomes possible.
Owner:符自彬

Technique for preparing oligomeric chitosan by complex enzyme degradation

The invention discloses a process for preparing low molecular weight chitosan through degrading compound enzyme. The synergistic effect which is produced in the process of degrading chitosan by various non-specific enzymes of alpha-amylase and bromelain or cellulose is utilized to increase the degrading efficiency, which enables the average molecular weight of products to degrade and reach about 1500 Da in 5.0 hours. After the final degradation products are microfiltration and nanofiltration purified, concentrated, and spray dried, the low molecular weight chitosan product with high quality can be obtained. Compared with a traditional process for preparation, the process not only has high product activity, good quality and convenient operation but also improves the manufacturing environment, which is beneficial to realize industrialization.
Owner:BIOCHEM ENG COLLEGE OF BEIJING UNION UNIV

Escaping vehicle recognition and tracking system based on unmanned aerial vehicle

The invention discloses an escaping vehicle recognition and tracking system based on an unmanned aerial vehicle (UAV). The system comprises an information center, a UAV platform and a communication module; the information center performs relevant operation of information exchange with the outside via wireless transmission; the UAV platform comprises an information receiving module, a recognition module, a target tracking module and a positioning module; and escaping vehicle information sent by the information center is received; a tracked target is locked according to the license plate recognized from the escaping vehicle information, and the UAV is controlled to fly to track the target; and the communication module is carried on the UAV platform and sends the position information thereof to the information center. The system has the characteristics of quick response and high flexibility, improves the duty efficiency of traffic managers, and realizes the application of UAVs in the traffic assisted management field.
Owner:WUHAN UNIV OF TECH

Method for drying whole flower instant tremella

The invention discloses a method for drying whole flower instant tremella. The method comprises the following steps: carrying out vacuum freeze drying on cleaned, blanched and pre-frozen whole fresh tremella in combination with the drying of a nitrogen source hypoxia heat pump to prepare the quick soaking type whole flower instant tremella. Drying adopting the method disclosed by the invention has the advantages of energy saving and high efficiency, more than 30% of energy sources can be saved compared with traditional freeze drying, the prepared whole flower instant tremella product can keep the original appearance, color and luster of tremella, is in the shape of chrysanthemum or peony, the flower is complete, the aromatic odor of tremella is produced after brewing the whole flower instant tremella in water, the original viscosity, the taste, the flavor and the nutritional ingredients of tremella can be maximally retained, and the whole flower instant tremella further has the advantages of long expiration date, convenience in carrying, instant brewing, etc.
Owner:INST OF AGRI ENG TECH FUJIAN ACAD OF AGRI SCI

Valley electricity energy storage system based on phase change heat storage devices

The invention provides a valley electricity energy storage system based on phase change heat storage devices. The valley electricity energy storage system comprises a heat source subsystem, a heat pump subsystem, an energy storage subsystem and a user subsystem, and further includes the phase change heat storage devices for realizing heat storage and heat release. The heat source subsystem can utilize the heat of a sewage source and deep underground soil to realize heat extraction. The heat pump subsystem operates during the period of a nighttime valley electricity price to realize heating. The energy storage subsystem distributes the heat to the phase change heat storage devices to realize heat storage. The user subsystem utilizes the phase change heat storage devices to release the heatindoors to achieve heat supply. The phase change heat storage devices each include a heat exchange structure, an outer cylinder body and a cylinder cover, the outer cylinder bodies are filled with phase change materials, and the heat exchange structures are composed of a plurality of rows of capillary networks which can form a plurality of heat transfer sources on the horizontal cross sections ofthe phase change heat storage devices. The distance between the heat exchange structures and the phase change materials is shortened, and thus the heat storage and heat release speed of the phase change heat storage devices is increased.
Owner:CHINA NORTHWEST ARCHITECTURE DESIGN & RES INST CO LTD

Multi-energy composite power supply type energy system

The invention discloses a multi-energy composite power supply type energy system. Multiple types of energy sources are adopted, and the characteristics of the energy sources are utilized in a targeting manner, so that the disadvantages that a single energy source is short in service life and continuous working time and is greatly influenced by the environment are remedied; and when the energy is supplied by virtue of lithium batteries and fuel batteries, vibration energy and solar energy in the environment can be collected, so that the long-term stabile collection of the energy is realized when obvious mechanical vibration or sufficient sunshine exists in the environment.
Owner:INFORMATION SCI RES INST OF CETC

Information processing method and device for text data

The invention provides an information processing method based on text data. The method includes obtaining an emotional tendency result of the text data based on the text data and the trained classification model, wherein the emotional tendency result comprises a number of positive emotions or a number of negative emotions; obtaining an economic confidence index of the text data according to the emotional tendency result. According to the method, the system and the computer storage medium of the invention, based on the natural language processing technology and the machine learning method, makeup the inherent defects of the traditional method that the data collection time is long and the cost is high, and provide a good data foundation for the subsequent program.
Owner:北京国信宏数科技有限责任公司

Improved bone decompression needle

InactiveCN104398294AMake up for the hard-to-find pinholes on the bone surfaceMake up timeSurgical needlesTrocarMedicineTime-Consuming
The invention discloses an improved bone decompression needle. The needle comprises a needle rod with a needle tip and a handle connected with the needle rod, wherein the middle part of the handle is connected with the rear end of the needle rod in a T shape; the needle tip is a three-edge needle tip; a needle sleeve is arranged on the outer side of the needle rod in a sleeving manner; the front part of the needle sleeve is provided with a self-tapping thread; the tail end of the needle sleeve is provided with a joint connected with a syringe; a connecting cap is arranged at the joint for connecting the handle; since the needle tip is three-edge, the needle tip can be easily pierced into bone; the self-tapping thread of the needle cap on the rear side of the needle tip can enhance the propelling force of the needle tip to smoothly drill the bone during rotation; clockwise rotation is used for insertion of the needle, and anticlockwise rotation is used for withdrawing of the needle; a casing is arranged on the outer side of the improved bone decompression needle, so that fluid extraction can be performed by only withdrawing a needle core, remaining the casing in the bone and under the skin immovable and connecting a 20ml syringe with the joint on the tail part of the casing after the bone decompression needle is inserted into the bone; thus the defects of time consuming and labor consuming due to difficulty in discovery of a needle hole of a bone face after the bone decompression needle is withdrawn from the bone hole and the skin are overcome.
Owner:界首骨科医院

Combustion preparation method of red infrared up-conversion material

The present invention discloses a conflagate preparation method of conversion material on red infrared which belongs to the technical field of luminescent material preparation. In the invention, NaF is taken as base material and adulterated with Y3 + , Yb3+ and Er3+; glycine is taken as incendiary; the conversion material on red infrared is synthesized after burning for more than ten minutes under normal temperature and normal pressure. The present invention significantly reduces heat treating temperature, greatly shortens reaction period with low cost and simple process; the produced material has uniform granularity, good repeatability, regular sample appearance, no need seat grinding, and suitable for industrial scale production. The problem of energy consumption, time consuming, miscellaneous and little varieties of luminous colors of current conversion material on infrared are solved, the application range is expanded, the development and progress of application of conversion material on infrared on biology tag, false proof etc. is promoted.
Owner:JIAYING UNIV

Lossless grading method for quality of crisp apple chips

The invention relates to a lossless grading method for quality of crisp apple chips through the crisp apple chip external quality grading standard and the computer vision technique, and belongs to the novel crisp apple chip quality lossless grading technology. Crisp chip images are acquired through a computer vision device and processed, size, shape, color and grain feature parameters are extracted, and the feature parameters are optimized. The mode recognition technology is utilized for analyzing various grades of crisp apple chip image features, and therefore lossless grading of the crisp apple chips is achieved. The method is easy and convenient to operate, fast in detection and accurate in grading, and the defects that a traditional grading mode consumes time and labor, and is high in cost, likely to be influenced by subjective factors and large in mechanical damage are overcome.
Owner:NANJING AGRICULTURAL UNIVERSITY

Automatic beancurd sheet production machine with blowing pipes

InactiveCN106689401AMake up timeMake up for the human factorCheese manufactureFood scienceEngineeringCirculating pump
The embodiments of the invention disclose an automatic beancurd sheet production machine with blowing pipes. The machine consists of a machine frame, a water tank, a milk tank, a soybean milk circulating pump, a cooling water tank, the blowing pipes, a beancurd sheet collecting drum and a conveying belt. According to the production machine capable of automatically producing beancurd sheets, disclosed by the embodiments of the invention, beancurd sheets formed in the milk tank can be picked continuously without stopping and waiting for beancurd sheet forming, can be air-dried through naturally absorbing residual heat of the milk tank on the conveying belt of the machine frame just like original manual operations and are cut and packaged, so that automatic continuous operation is achieved, the work efficiency of production is increased, the cost is reduced, the consistency of texture is guaranteed, and the defect that skilled workers need long-time training, and artificial factors are made up.
Owner:HONGXING ENTERPRISE CO LTD

Dust collecting device

The invention discloses a sand and dust collecting device which comprises a collecting box, an air channel opening is formed in the top end of the collecting box, a lower ventilation pipe is arranged at the top end of the collecting box, the bottom end of the lower ventilation pipe communicates with the air channel opening, an upper ventilation pipe is detachably connected to the top end of the lower ventilation pipe, and a bearing is arranged at the top end of the upper ventilation pipe; the upper ventilation pipe and the lower ventilation pipe are each provided with a fixing pull wire, a settling chamber is arranged in the collecting box, an air duct opening corresponds to the settling chamber, and a sand and dust collecting mechanism is arranged in the collecting box and corresponds to the settling chamber. According to the invention, sand and dust data of more than PM2.5 can be collected, the blank that the existing sand collecting equipment can collect sand and cannot collect dust in the sand storm earth surface process is filled up, the defects of less sand and dust collection amount, short observation time and the like of TSP can be made up, and the sand and dust collection efficiency is improved.
Owner:XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI

Encounter space-time prediction method and system for non-tracking sailing ships in sea area

PendingCN114690772AMake up for the shortcomings of being unable to deal with non-tracking shipsMake up predicted encounter locationPosition/course control in two dimensionsClassical mechanicsStern
The invention relates to an encounter space-time prediction method for non-tracking sailing ships in a sea area, and the method comprises the steps: carrying out the fitting of a past motion track curve through a quadratic function, and obtaining a future motion track curve of a target ship; fitting the three groups of coordinates by using a quadratic function to obtain three future movement track curves about the hull, the bow and the stern of the to-be-encountered ship; the method comprises the following steps: simulating a target ship and a to-be-encountered ship to sail along respective future movement track curves at the current navigational speed and course at the same time, and recording the nearest distance between the bow of the target ship and the bow of the to-be-encountered ship, the nearest distance between the stern of the target ship and the stern of the to-be-encountered ship and respective sailing time in real time; the minimum value of the two nearest distances is taken as the nearest distance of meeting of the two ships, at the moment, the coordinates of the two ships on the respective future movement track curves are the meeting places of the two ships, and the sailing time is the meeting time. The method has the advantage that the meeting site and time of the ship can be predicted without knowing the ship route information in advance.
Owner:江苏恒澄交科信息科技股份有限公司

Vehicle driving track prediction method and system based on checkpoint snapshot data and equipment

InactiveCN111009126AMake up for the inability to make personalized predictionsMake up timeDetection of traffic movementData setSimulation
The invention discloses a vehicle driving track prediction method and system based on checkpoint snapshot data and equipment. The method comprises the steps: acquiring historical track data of a vehicle; aggregating the historical track data of the vehicle to obtain track data of each vehicle; aggregating the historical vehicle track data to obtain a vehicle track data set of each time interval;constructing a Markov state transition matrix of road network vehicles based on the vehicle track data set of each time interval; constructing a Markov state transition matrix of the individual vehicle based on the track data of each vehicle; and predicting the probability of passing through each check point according to the Markov state transition matrix of the individual vehicle and the Markov state transition matrix of the road network vehicle. According to the invention, the defect that the current vehicle trajectory prediction method cannot perform personalized prediction can be well overcome.
Owner:重庆紫光华山智安科技有限公司

A varnishing device for a piano keyboard cover

The invention discloses a painting device for a piano keyboard cover. The painting device comprises a machine table, a support frame is welded on the right side of the top of the machine table, the top of the support frame is movably provided with pulleys, and one side of the support frame is provided with a first motor. The output end of the first motor and the pulleys are connected by a conveyorbelt in a transmission mode, and a conveyor belt is connected between the pulleys in the transmission mode. A support leg is welded to the center of the top of the machine table, and a fixed table iswelded at the top of the support leg. A rotating shaft is installed in the middle of the fixed table in the rotating mode, the bottom of the rotating shaft is movably connected with the top of the machine table, and the top of the rotating shaft extends through the fixed table and extends to the outside of the top of the fixed table. The painting device is provided with an intelligent painting mechanism and integrates the processes of feeding, painting and discharging, is high in continuous work capacity, reduces the working hours, can complete the whole painting work automatically basicallywithout manual participation, and can greatly improves the efficiency.
Owner:NANTONG TAIYING NEW MATERIAL SCI & TECH CO LTD

Intumescent anti-corrosion admixture and preparation method thereof

The invention provides an intumescent corrosion-resistant admixture and a preparation method thereof, and belongs to the technical field of building materials. The intumescent corrosion-resistant admixture is prepared from the following raw materials in percentage by mass: 40-60% of fly ash, 20-40% of slag powder, 5-15% of light calcined magnesia, 5-10% of a calcium oxide expanding agent, 1-2% of gypsum and 0.015-0.03% of sodium hexametaphosphate. According to the intumescentanti-corrosion admixture prepared by the preparation method disclosed by the invention, all the components are matched with one another, so that the defect of single doping of a single component can be overcome, and the crack resistance, the mechanical property and the durability of concrete are comprehensively improved.
Owner:武汉三源特种建材有限责任公司 +1

Special dry-mixed mortar for plastering construction via 2D guniting method

The invention discloses special dry-mixed mortar for plastering construction via a 2D guniting method. The dry-mixed mortar is prepared from ordinary Portland cement, sulphoaluminate cement, river sand, water, polypropylene fibers, limestone powder, glass powder, coating-grade wollastonite powder, latex powder, rubber powder, cellulose ether, an early strength agent, an expanding agent and a waterreducing agent. The mortar has the advantages of solving the problems of segregation, bleeding, low early strength, no water resistance, low tensile bonding strength, easy generation of initial micro-cracks, rough surface, easy dust accumulation and the like of conventional mortar, and being good in workability, high in bonding strength, capable of effectively preventing the mortar of a plaster layer from falling off, hollowing and cracking, excellent in cost performance and capable of eliminating obstacles in popularization of a mechanical guniting technology; and therefore, a series of problems caused by manual operation are solved.
Owner:GUANGZHOU UNIVERSITY +1

Motor-driven diamond passenger car system

InactiveCN102490738AReduce in quantityMake up for battery lifeTramway vehiclesMotor driveEngineering
The invention relates to the communication and transportation fields, in particular to a motor-driven diamond passenger car system, which comprises a track and a motor-driven diamond passenger car. A storage battery and a transmission circuit connected to the storage battery are arranged in a car body, and electric conduction mechanisms are arranged in front wheels and back wheels, contacted with the track and connected with the storage battery through the transmission circuit. The track is formed by subsection tracks which have equal lengths and are sequentially connected in a split joint mode in a length direction, the length of each section of track is equal to the lengths between the front wheels and the back wheels of the motor-driven diamond passenger car, a wire connected with a power supply is arranged in each section of track, polarities of power supplies connected with wires of adjacent tracks are adverse, bent current-carrying plates with downward openings are arranged on the top faces of the sectional tracks, elastic elements are arranged on the lower sides of the current-carrying plates and used for supporting the current-carrying plates, and ports at a bottom ends of the current-carrying plates are arranged above the wires. The motor-driven diamond passenger car system has the advantages of high safety, small turn radius, small wind drag, zero release, no pollution and low track constructing cost.
Owner:湖南湖大三佳车辆技术装备有限公司

Heterogeneous multi-core processor for tabu search scheduling algorithm

ActiveCN105808337AImprove global performanceReduce the number of thread migrationsProgram initiation/switchingResource allocationOptimal schedulingThread scheduling
The invention discloses a heterogeneous multi-core processor for a tabu search scheduling algorithm. The heterogeneous multi-core processor with at least eight cores is applied to an upper-layer framework for thread scheduling, resource synergy management and performance statistics, and used for recording a tabu list of an optimal scheduling scheme of two threads on two processors, enhancing the system performance of the heterogeneous multi-core processor and saving energy. Through adoption of the heterogeneous multi-core processor for the tabu search scheduling algorithm, the thread migration times and sampling times are reduced effectively; the problem that only time and energy effective rate are considered in a conventional design is solved; the overall performance of a processor chip is improved effectively; and the energy consumption is lowered.
Owner:HUNAN UNIV

Instrument integrated debugging and overhauling system and method

The invention provides an instrument integrated debugging and overhauling system and method. The system comprises a detection basic unit, a change-over switch, an instrument and an interface end; theinterface end is connected with an external control loop; the change-over switch is provided with four gears; when the change-over switch is in the debugging gear, the detection basic unit is connected with the instrument; when the change-over switch is in the maintenance gear, the detection basic unit is connected with the interface end, so that the detection basic unit is connected with the external control loop; when the change-over switch is in a normal use gear, the interface end is connected with the instrument; when the change-over switch is in a neutral gear, the change-over switch isdisconnected with the detection basic unit, the instrument and the interface end. The detection system is designed on the basis of a traditional instrument, so that the instrument has related functions required by debugging and overhauling; external operation is simple; and the problems of long construction time, low efficiency, inconvenience in use and the like of instrument debugging and overhauling in a traditional mode are solved.
Owner:CHINA FIRST METALLURGICAL GROUP

Preparation method of pig spleen transfer factor injection

The invention relates to a preparation method of pig spleen transfer factor injection. The preparation method comprises the following steps: performing pretreatment on a pig spleen which is inspected to be qualified, and then preliminarily mincing once to three times; finely mincing and grinding the pig spleen after preliminary mincing for 1.5-8 minutes to prepare a homogenate; adding a formaldehyde solution into the homogenate for inactivation; repeatedly freezing and thawing the inactivated homogenate 6-10 times; performing centrifugal separation, filtration and ultra-filtration on the homogenate which is repeatedly frozen and thawed to get a semi-finished product; and adding water for injection into the semi-finished product which is inspected to be qualified to get a finished product. The preparation method disclosed by the invention has the advantages of simple process and low cost, and can greatly shorten production cycle to 4 days, greatly save manpower and material resources and improve the production efficiency of a transfer factor.
Owner:SHANDONG SINDER TECH

Natural compound sweetening agent and preparation method thereof

PendingCN113558219AFast sweetness onsetShort sweetness residence timeFood ingredient functionsThaumatinMaltitol
The invention discloses a natural compound sweetening agent. The natural compound sweetening agent is prepared from the following components in parts by weight: 1.5-2.5 g of erythritol, 1.5-2.5 g of maltitol, 2.5*10<-3> g of stevioside and (2.5-3)*10<-3> g of thaumatin, and the components are mixed and added with water to a constant volume of 100 mL. According to the natural compound sweetening agent and the preparation method thereof, the problem that a single sweetening agent is poor in taste is solved, the sweetness of the natural compound sweetening agent is 3-5 times that of cane sugar, and the natural compound sweetening agent has physiological effects of decayed tooth resistance, blood sugar reduction, nutrition, health care and the like, and is particularly suitable for being eaten by people needing low sugar or sugar-free people such as diabetics and hypertensive patients.
Owner:QILU UNIV OF TECH +1

Three-factor estimation method for rock internal magnetic field gradient weighted geometric mean value

The invention discloses a three-factor estimation method for a rock internal magnetic field gradient weighted geometric mean value, and particularly relates to the field of oil and gas field exploration and development. The method comprises the following steps: collecting coring data to obtain a rock sample; constructing a rock internal pore structure model by adopting CT scanning and an equivalent deposition method in combination with Avizo software; calculating rock internal magnetic field gradient distribution based on a voxel finite element method; by simulating rock internal magnetic field gradient distribution under different external magnetic field intensities, rock component magnetic susceptibility and pore structure conditions, establishing relational expressions between three factors and the geometric mean value of rock internal magnetic field gradient distribution respectively; and determining a three-factor estimation formula of the rock internal magnetic field gradient weighted geometric mean value, and verifying the accuracy of the three-factor estimation formula. According to the method, the problem that the rock internal magnetic field gradient values are difficultto obtain rapidly in batches is solved, estimation of the rock internal magnetic field gradient weighted geometric mean value is achieved, and an important basis is provided for rapidly knowing the rock physical characteristics of an oil and gas reservoir.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Rapid sewage COD detection method

The invention provides a simple and rapid sewage COD detection method. The sewage color is observed and / or is compared with a colourimetric card by adding a reagent to determine an approximate range of sewage COD so as to meet the demands of early discovery, early warning and early regulation and control for high-concentration sewage in the modern actual production.
Owner:COFCO FOOD SCI & TECH WUHAN CO LTD

Preparation method of water-soluble antimony-carbon quantum dots, prepared antimony-carbon quantum dots, application thereof and corrosion-resistant composite material

The invention discloses a preparation method of water-soluble antimony carbon quantum dots, the prepared antimony carbon quantum dots, an application thereof and a corrosion-resistant composite material, and belongs to the technical field of nano composite materials. The method comprises the following steps: mixing a neutral salt solution with water-soluble alcohol to obtain a mixed electrolyte; putting an antimony electrode and a platinum electrode into the mixed electrolyte for electrolysis, adding strong base after electrolysis is completed, and performing standing after stirring; and sequentially centrifuging, dialyzing and drying the supernatant liquid after standing to obtain the water-soluble antimony carbon quantum dots. The prepared water-soluble antimony carbon quantum dots are obvious in characteristic and uniform in particle size, the defects that a traditional ultrasonic method and an electrochemical method are long in preparation time, low in yield and the like are fully overcome, and the water-soluble antimony carbon quantum dots with the particle size being 5-10 nm can be obtained. Meanwhile, the method greatly shortens the reaction time, the yield is high, and the prepared water-soluble antimony carbon quantum dots have an excellent corrosion inhibition function and are worthy of being widely popularized and applied.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Pressure cleaning method and system of candle type demister

The invention discloses a pressure cleaning method and system of a candle type demister and belongs to the technical field of sulfuric acid production. The pressure cleaning method comprises the following steps: through an alkali storage tank, a water storage tank and a cleaning device, feeding clear water, and carrying out preliminary washing under the hydraulic pressure of 0.05-0.1Mpa; then, feeding alkali liquor and clear water, after concentration regulation, soaking airtightly and discharging out; and finally, feeding clear water to form hydraulic pressure of 0.05-0.1Mpa in the cleaning device, and carrying out final washing. During the pollution discharge process, fall-off acid mud and other impurities are rushed out, and cleaning is finished after the pH value of a drain outlet is neutral. The pressure cleaning method and system can effectively prevent the damage problem of the candle type demister and are thorough in cleaning to improve the demisting quality of the candle typedemister and meet the production demand of sulfuric acid.
Owner:宜宾海翔化工有限责任公司

Freshly squeezed compound pomegranate juice container

The invention discloses a freshly squeezed compound pomegranate juice container, which comprises a support barrel, a support frame, a controller, weighing sensors, a liquid storage barrel, a liquid discharge pipe, a check valve, a cover plate, a handle and a power part, and is characterized in that the vertical support frame is fixed at the bottom of the support barrel, and the horizontal controller is fixed at the front end of the support barrel; a plurality of vertical weighing sensors are fixed to the bottom end of the interior of the support barrel, and the vertical liquid storage barrel is installed at the top ends of the weighing sensors. Improvement is conducted on the basis of original equipment, discharging is more convenient, meanwhile, the precision of the mixing proportion is improved, the product quality can be guaranteed, it can be guaranteed that a mixed product is fully stirred through the two variable frequency motors, the problems that a traditional device is insufficient in stirring and too long in stirring time are solved, and the production efficiency is improved. And meanwhile, a flushing pump and a bamboo joint pipe are used, so that the liquid storage barrelis more convenient and faster to clean.
Owner:山东美果来食品有限公司
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