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59results about How to "Expand the scope of delivery" patented technology
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High-precision advertisement push system and method of mobile terminal based on mutual selection
InactiveCN105761101ATo achieve a win-win effectImprove efficiencyMarketingSpecial data processing applicationsComputer terminalWorld Wide Web
The invention provides a high-precision advertisement push system and method of a mobile terminal based on mutual selection between consumers and sellers, relates to the technical field of smart phones, especially to the field of using smart phones to display advertisements. According to the system and method of the invention, a paid manner is used to attract more users who would like to watch and browse advertisement information in a targeted manner, sellers are helped to obtain users rapidly, and ineffective advertising cost of the sellers is reduced; and the advertisement investing cost of the sellers corresponds to the users who browses advertisement directly; the sellers and the consumers make mutual selection directly, every cost of an advertiser directly corresponds to the consumers who actively receivers the advertisements, and the users read the content of advertisements initiatively and obtain benefits. Thus, the system and method can achieve a win-win effect for both the sellers and the consumers.
Owner:云南今日游情科技有限公司
Control device and control method for issuing advisement information based on automatic selling equipment
InactiveCN101582142AExpand the scope of deliveryRaise attentionCommerceAutomatic test equipmentControl system
The invention provides a control method for issuing advisement information based on automatic selling equipment, which comprises the following steps: a, receiving a command of purchasing target goods by a user; b, determining issued advisement information according to the command; and c, issuing the issued advisement information. The invention also provides a control device for issuing the advisement information based on the automatic selling equipment, automatic selling equipment comprising same, and an advisement issuing control system. The invention can not only play the advisement information through the automatic selling equipment in a rolling way, but also can pointedly play the advisement information related to purchased goods and a terminal held by the use, or directly related to the user when the user purchases the goods, controls the advisement information through a plurality of automatic selling equipment, can coordinate different automatic selling equipment to relatively issue advisement, effectively enlarges the advisement putting range of an adviser, improves the proportion of the advisement browsed by oriented audients and the interaction rate of the advisement, deepens the user experience feeling, and obviously increases the advisement putting effect.
Owner:上海亿动信息技术有限公司
Information bag sharing method, device and terminal, and information bag transmission method and device
InactiveCN107563783AAchieve deliveryGood continuityPayment protocolsMarketingInformation dispersalInformation sharing
The invention relates to an information bag sharing method, device and terminal, and an information bag transmission method and device. The method comprises steps of pushing an electronic envelope toa first user terminal according to a user identifier; when the first user terminal carries out displaying of the electronic envelope, acquiring a picking instruction, which is generated by trigging the first user terminal, of the electronic envelope; according to the picking instruction of the electronic envelope, acquiring attribute information associated with the user identifier, and obtaining virtual value information, enveloping attribute information, virtual value information and an electronic envelope generation information bag of the electronic envelope through the attribute information; acquiring a sharing instruction of the information bag which is generated by trigging the first user terminal, and placing the generated information bag in a designated sharing position; and acquiring an information bag acquiring instruction, which is generated by trigging the second user terminal, in the designated sharing position, and distributing the information bag to the second user terminal. According to the information, the electronic envelope carrying the information is capable of truly achieving holding and transmission of the information; the transmission range is continuously expanded; and continuity of the information transmission is enhanced.
Owner:SHENZHEN NIC TECH CO LTD
Deep-foundation-pit construction-site automatic patrol and emergency command device and working method thereof
ActiveCN105096043AImprove inspection efficiencyExpand the inspection scopeClosed circuit television systemsResourcesSafety controlWorking set
The invention relates to the deep-foundation-pit construction safety control field and provides a deep-foundation-pit construction-site automatic patrol and emergency command device and a working method thereof. The device and the method are used for automatic patrol and emergency command of a deep-foundation-pit construction site. The device is formed by an unmanned aerial vehicle, a real-time shooting module, a flight control module, an instruction conveying module and a construction control center operation module. By using the device and the method of the invention, deep-foundation-pit construction-site patrol efficiency can be effectively increased and a patrol scope is enlarged; a manpower investment is reduced; after an emergency situation is generated, on-site management personnel can be helped to rapidly determine an event condition and carry out emergency command.
Owner:HUAZHONG UNIV OF SCI & TECH
Automatic feeding and cleaning equipment for livestock breeding
InactiveCN110622877AExpand the scope of deliveryIncrease the number ofAnimal feeding devicesHollow article cleaningLivestock breedingEngineering
The invention discloses automatic feeding and cleaning equipment for livestock breeding. The automatic feeding and cleaning equipment for livestock breeding comprises a bottom box fixedly arranged onthe ground, wherein a first conveying space is arranged in the bottom box; a feeding tank capable of containing feed is fixedly arranged between the first conveying space and the top surface of the bottom box body; feed to be thrown is placed into the mixing space, and a mixing motor is started and drives a motor shaft to rotate, the motor shaft rotates to drive a stirring cylinder and stirring blades to rotate, thus the feed in the mixing space can be mixed, the feeding range of the feed can be expanded, the thrown feed can be uniformly raked in time, and livestock and the feed can be separated by arranging fences, when the livestock eats the feed, the feed cannot be trampled or dirty, the residual feed can be recycled, and cleanness of the environment in a breeding house can be ensured.
Owner:TIANTAI DULING AUTOMATION TECH CO LTD
Detachable flat car
ActiveCN102616291AEasy modular replacementConvenient and compact stackingUnderstructuresTractor-trailer combinationsVehicle frameEngineering
Owner:CIMC VEHICLES (GROUP) CO LTD
Method and system for sharing handwriting in paper page
InactiveCN104834467AExpand the scope of deliveryRealize mutual viewing and sharingInput/output processes for data processingHandwritingNetwork packet
The invention provides a method for sharing handwriting in a paper page. The method comprises the steps of sensing a handwriting input operation triggered in the paper page so as to obtain trace information written in the paper page; performing matching on the trace information in a plurality of pieces of prestored response region information, so as to obtain the response region matched with the trace information; and uploading the trace information, so as to share the trace information with the response region obtained through matching. In addition, the invention also provides a network data package processing system matched with the method. The method and system for sharing handwriting in the paper page can share various handwritings paper pages through any terminal device, thereby effectively expanding the transmission range of the handwriting in the paper page.
Owner:GUANGDONG XIAOTIANCAI TECH CO LTD
Network-based digitalized logistic chain management system for office appliances automatic goods-selling
InactiveCN1667629AShort cycleLow costCredit registering devices actuationSpecial data processing applicationsComputer terminalEngineering
The present invention relates to a business executive system of office appliance, which mainly comprises bran-new-concept vending machine of office appliance, client information management, supplier information management and safety management of network data communication. Vending machine exhibits goods in transparent window and pushes goods with automatic motor, having video screen and keyboard on the face side that enable client to register, select purchase, confirm inventory and quit, having network interface on the back side that connects with in-house network of supplier and surveys data via companyí»s in-house network and public network. When client at user side purchases from vending machine of office appliance, registration information is transferred to suppliersí» background system through network to be acknowledged. According to information provided by client, supplier sets correlative user file and limit control, encoding and testing, connects with user terminal vending machine, dispatches and stocks goods according to inventory level that is appointed with client beforehand.
Owner:洪涛
Sewage treatment device adopting microbial technology
ActiveCN113415904AImprove processing qualityImprove delivery accuracyBiological treatment apparatusMicroorganismSewage treatment
The invention provides a sewage treatment device adopting a microbial technology. The sewage treatment device comprises a fixing mechanism; a pushing part is mounted in the fixing mechanism, and an adjusting device is mounted at the top of the fixing mechanism; the driving mechanism is mounted in the adjusting device, a mounting mechanism is mounted on the adjusting device, a storage device is mounted on the right side of the mounting mechanism, and a trigger part is mounted on the storage device. When water waves appear on the surface of a river channel, the sealing frame moves upwards under the impact force of the water waves, so the twelve through holes are separated from the sealing frame, microorganisms in the storage barrel fall into a river channel through the twelve through holes; when water waves are separated from the floating disc, the sealing frame moves downwards under the action of four springs, so intermittent throwing of the microorganisms is realized, full absorption of the river channel is facilitated, and the sewage treatment quality is improved; meanwhile, waste of microorganisms is avoided, and the sewage treatment cost is reduced.
Owner:郯城博化化工科技有限公司
Preparation method of high heat conduction filler for epoxy resin
InactiveCN108676327AAvoid crackingPrevent heat conductionCarbon fibresUltrasonic/sonic fibre treatmentFiberEpoxy
The invention relates to a preparation method of a high heat conduction filler for epoxy resin, and belongs to the technical field of heat conduction filler preparation. According to the method, firstly, linen fiber is used as a raw material; after the linen fiber is steeped in tea seed oil ; then, the linen fiber is put under the high-temperature and high-humidity conditions to be subjected to static rancidification; next, after the fiber subjected to rancidification is sealed, fermentation is performed for a short time, so that the linen fiber is slightly decayed; micropores are generated onthe linen fiber surface; after the carbonization, potassium permanganate is used for oxidation; the oxidized linen carbon fiber is sequentially subjected to mixed reaction with a cupric nitrate solution and a glucose solution; through electric arc anti-electricity treatment, a heat conduction material crude product is prepared; finally, the heat conduction material crude product, lard oil and biogas slurry are blended for fermentation modification; finally, the high heat conduction filler is prepared. The prepared high heat conduction filler has high heat conduction efficiency, high stability, good toughened anti-impact performance and wide application prospects.
Owner:FOSHAN GAOMING DISTRICT ZHUAHE NEW MATERIAL TECH CO LTD
Network platform system for information releasing and management
InactiveCN108376342AImprove effectivenessExpand the scope of deliveryAdvertisementsPayment architectureClient-sideInternet bank
The invention discloses a network platform system for information releasing and management; the network platform system comprises an advertisement system and a recruitment system connected with a server, wherein the advertisement system comprises the following modules: a display module used for displaying pages that display advertisement contents, and selectively displaying links that for claimingreading rewards; a rewarding module used for providing a valid link for claiming reading rewards on the display module after the advertisement content page is displayed for a preset time in the mostfront end; a jump module used for jumping to a client end of the network platform system according to the valid links for claiming reading rewards; a withdraw module used for withdrawing the account accumulated rewards to a third party internet bank account. The system can improve the advertisement input validity, and can enable the advertisements to deepen into a target population.
Owner:扬州中舟动力有限公司
Energy-saving feed throwing device
InactiveCN107251849AReduce labor intensityIncrease profitAnimal feeding devicesElectricityAgricultural engineering
The invention discloses an energy-saving feed throwing device. The energy-saving feed throwing device comprises a frame and a uniform stirring box, wherein the uniform stirring box is fixed to the middle end on the top of the frame. A throwing part is fixedly arranged on the top end face of the portion, on the left side of the uniform stirring box, of the frame, an electricity transmission part is fixedly arranged on the top end face of the portion, on the right side of the uniform stirring box, of the frame, a first rotary rod is arranged at the middle end in the frame and is in rotational connection with the middle end in the frame in a matched mode, the extending end on the bottom of the first rotary shaft penetrates through the bottom end face of the frame, and the tail portion of the extending end is fixedly provided with a first tapered wheel; a first supporting column and a second supporting column are arranged on the left side and right side of the first tapered wheel respectively, the tops of the first and second supporting columns are fixedly connected with the bottom end face of the frame, a third supporting column is fixedly arranged on the bottom end face of the portion, on the right side of the second supporting column, of the frame, a first motor is fixedly arranged in the third supporting column, and a second rotary rod extending to the left side is connected with the left side end of the first motor. The energy-saving feed throwing device is simple in structure and capable of achieving control switching work, meeting different requirements for different throwing work and improving the working efficiency and effect.
Owner:付天龙
Sewage treating device
ActiveCN107324440AImprove crushing rateAutomatically controlled pulverizationWater/sewage treatment by sorptionSewageEngineering
The invention discloses a sewage treating device. The sewage treating device comprises a base body and an alums putting machine installed at the top of the base body; a putting-in cavity is formed in the top face of the alums putting machine, a funnel groove is formed in the putting-in cavity and is communicated with the bottom of the putting-in cavity, a bevel edge groove is formed in the top of the inner wall at the right side of the putting-in cavity, a smashing chamber is formed and communicated with the bottom of the funnel groove, an adaptor smashing device is arranged in the smashing chamber, a connecting opening is formed and communicated with the smashing chamber, an alums putting cavity extending rightwards is formed in the mode of being communicated with the connecting opening, an alums putting device is arranged in the alums putting cavity, a second slip groove extending horizontally penetrates through the connecting opening, a first guiding and connecting groove extending downwards is formed in the extending tail of the left side of the second slip groove in a communicated mode, a first slip groove extending upwards is formed in the tail of the left side of the first guiding and connecting groove in a communicated mode, and a slip partition plate extending horizontally is connected in the second slip groove in a slip mode. The sewage treating device is simple in structure and convenient to operate, and improves alums smashing uniformity.
Owner:广东华正建设工程有限公司
Intelligent community advertisement accurate putting method and device based on pedestrian active perception
PendingCN111724199AExpand the scope of deliveryIncrease intensityAdvertisementsCharacter and pattern recognitionCommunity settingPublic Facility
The invention relates to an intelligent community advertisement precise delivery method and device based on pedestrian active perception, and the method comprises the following steps: 1), collecting pedestrian images through a camera, and deploying the camera on a public facility of a community; 2) performing face recognition on the pedestrian image, and judging whether the pedestrian is a personin a community or a foreign person; 3) for the pedestrian is the personnel in the community, calling the corresponding pedestrian tagged data from the community database; if the pedestrian is a foreign person, reconstructing pedestrian tagged data; 4) loading the pedestrian tagged data into an advertisement recommendation system, and obtaining and displaying advertisement data; 5) recognizing thepedestrian face and the pose of the camera according to the pedestrian image, judging whether the pedestrian notices the delivered advertisement or not, and performing feeding back. Compared with theprior art, more accurate and efficient advertisement delivery can be performed according to the user face information of the pedestrian, and the method has the advantages of being high in advertisement delivery efficiency, high in accuracy, high in user friendliness and the like.
Owner:TONGJI UNIV
Sewage purification biological medicament and matched feeding device thereof
PendingCN108975522AHigh activityGood effectSpecific water treatment objectivesLoading/unloadingPectinaseWater quality
The invention relates to the technical field of water body purification and discloses a sewage purification biological medicament. The sewage purification biological medicament is prepared from the following components in parts by weight: 6 to 10 parts of an active component, 15 to 25 parts of an additive and 50 to 75 parts of filler; the active component is prepared from the following componentsin parts by weight: 2.5 to 4 parts of a biological enzyme and 3.5 to 6 parts of a fermentation material; the biological enzyme is a compound enzyme of proteinase, cellulase, ligninase, pectinase, catalase and lipoxidase; a preparation method of the fermentation material comprises the following steps: crushing tea seed meal, bean dreg and rice husks until the size is 50 to 100 meshes respectively;mixing according to the weight ratio of 6 to 3 to 1; after carrying out high-temperature sterilization treatment, cooling and introducing into fermentation bacteria; carrying out anaerobic fermentation for 15 to 20 days to obtain the sewage purification biological medicament. The sewage purification biological medicament is used for purifying a water body, improving the water quality and improvingthe transparency of a water body; meanwhile, the invention provides a matched feeding device of the sewage purification biological medicament.
Owner:TIANJIN WATER RESOURCES RES INST
Point cloud semantic segmentation method and device and electronic equipment
PendingCN110781894AExpand the scope of deliveryEfficient use ofCharacter and pattern recognitionInformation transmissionPoint cloud
The invention provides a point cloud semantic segmentation method and device and electronic equipment, and relates to the field of artificial intelligence. The method comprises the steps of obtainingoriginal point cloud, and encoding point cloud data corresponding to the original point cloud through an encoding network model to obtain point cloud encoding features; inputting the point cloud coding characteristics into a decoding network model; obtaining an edge feature corresponding to the original point cloud according to the point cloud coding feature through an edge module branch in the decoding network model, and obtaining a point feature corresponding to the original point cloud according to the point cloud coding feature and the edge feature through a point module branch in the decoding network model; and performing classification prediction according to the point features and the edge features to obtain classification information corresponding to each point in the original point cloud. According to the point cloud semantic segmentation method and device, the information transmission range can be enlarged through point-edge mutual communication cooperation, local environmentinformation is better utilized, and the accuracy and efficiency of point cloud semantic segmentation are improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Detachable flat car
ActiveCN102616291BEasy modular replacementConvenient and compact stackingUnderstructuresTractor-trailer combinationsVehicle frame
Owner:CIMC VEHICLES (GROUP) CO LTD
Flocculating agent feeding device of sewage treatment tank for sewage treatment
PendingCN112174273AReduce wasteExpand the scope of deliveryWater/sewage treatment by flocculation/precipitationSewage treatmentEnvironmental protection
The invention relates to a flocculating agent feeding device, in particular to a flocculating agent feeding device of a sewage treatment tank for sewage treatment. The flocculating agent feeding device of the sewage treatment tank for sewage treatment is small in waste, more convenient for people to use and high in working efficiency when a flocculating agent is fed. The flocculant feeding devicecomprises a mounting plate, a discharging assembly which is installed on the mounting plate and is used for discharging in a sliding mode; a rotating assembly which is mounted on the mounting plate and can rotate in a rotating manner; and a throwing assembly which is mounted on the mounting plate and is used for throwing in a rotating manner. Discharging can be conducted intermittently through thedischarging assembly, waste of a flocculating agent is reduced, people can use the flocculating agent more conveniently, when the flocculating agent is fed through the rotating assembly, people can adjust the feeding angle of the flocculating agent, the flocculating agent can be fed through the feeding assembly, and damage caused by manual contact with the flocculating agent is prevented.
Owner:欧阳洪开
Ocean feeding net cage
ActiveCN110250065APrevent escapeAvoid damageClimate change adaptationPisciculture and aquariaFixed frameDrive shaft
The invention provides an ocean feeding net cage. The ocean feeding net cage comprises a buoy, annular iron, a top bracket, a fixing frame, a feed barrel, ball grooves, a protection box, a transmission shaft, a transmission column, a linkage column, rotary claws, rings, a feed conveying disc, a positioning column, a feed conveying pipe, belt buckles, feed distributing claws and a feeding plate, wherein the annular iron is fixedly arranged on the surface of the buoy and internally provided with the rings, the ball grooves are formed between the annular iron and the rings, the rotary claws are movably arranged on the outer surfaces of the rings, the top surface of the annular iron is fixedly provided with the top bracket, and the inner side of the top bracket is fixedly provided with the fixing frame; the top of the top bracket is fixedly provided with the feed barrel, the linkage column is movably arranged above the fixing frame, the bottom surface of the linkage column is meshed with the transmission shaft, and the end, away from the linkage column, of the transmission shaft is meshed with the transmission column. Through the matched arrangement of the feed conveying disc and the feed distributing claws, feed can be scattered peripherally during putting, correspondingly the putting range of the feed is enlarged, and unnecessary damage of fish swarms caused by collision among fishes during a rush of the fish swarms for the feed is avoided.
Owner:广东南风王科技有限公司
Throwing device for flocculating agent for sewage treatment tank
ActiveCN109019797AExpand the scope of deliveryAvoid cloggingWater/sewage treatment by flocculation/precipitationLarge applicationsSewage
The invention relates to a sewage treatment agent adding device, in particular to a throwing device for a flocculating agent for a sewage treatment tank. The throwing device has a large application range and is capable of rapidly diffusing the flocculating agent in sewage. The throwing device comprises a bottom plate, wheels, a push rod, a mounting block, a curved slide rail, a curved slider, a support rod, a placement sleeve, a push block, a first connecting block, a baffle, moving block, and the like; the lower side of the bottom plate is provided with the wheels, the left side of the frontside of the bottom plate is connected with the push rod, the left side of the bottom plate is connected with the mounting block, and the right side of the mounting block is connected with the curved slide rail. The throwing device can achieve the large application range and is capable of rapidly diffusing the flocculating agent in the sewage. The flocculating agent can be continuously poured intothe sewage by adopting a method using a swinging rod to swing to push the push block to pour the flocculating agent.
Owner:江苏建霖水处理技术有限公司
Sewage treatment plant using microbial technology
ActiveCN113415904BImprove processing qualityImprove delivery accuracyBiological treatment apparatusMicroorganismWastewater
Owner:郯城博化化工科技有限公司
Object transmitting method, device and system
InactiveCN101021805AFlexible deliveryImprove transfer efficiencyInterprogram communicationSoftware engineeringProcess configuration
Owner:HUAWEI TECH CO LTD
Method and system for displaying advertisements of operators
ActiveCN103618932AExpand the scope of deliveryEliminate differencesSelective content distributionCamProtocol stack
The invention relates to a method and system for displaying advertisements of operators. The method for displaying the advertisements of the operators comprises the following steps that an advertisement transmission stream at the front end is obtained by a digital all-in-one machine, and the digital all-in-one machine sends the advertisement transmission stream to a CAM card; the CAM card carries out demultiplexing on the advertisement transmission stream to obtain advertisement data packets; the CAM card processes the advertisement data packets to be in a unified format through an interface modified in advance and an interface function and then transmit the advertisement data packets to a CI protocol stack of the digital all-in-one machine; the digital all-in-one machine stores the advertisement data packets after being unified in format into flash memory of the digital all-in-one machine; the advertisement data packets are extracted from the flash memory of the digital all-in-one machine according to a received remote command, and the advertisements corresponding to the advertisement data packets are displayed according to a preset display mode. According to the method and system, the advertisement injecting range can be expanded, and cost is lower.
Owner:SHENZHEN TCL NEW-TECH CO LTD
Water type feeder and feeding control method thereof
PendingCN112167138AThe smooth realization of the deliveryAchieving oxygenationClimate change adaptationPisciculture and aquariaControl engineeringWater flow
The invention provides a water type feeder and a feeding control method thereof. The water type feeder comprises a supporting frame, a first water pump, a mixed material groove, a mixed material conveying mechanism, a mixed material throwing mechanism and a control box. The mixed material groove is formed in the supporting frame, and the first water pump can convey water flow into the mixed material groove through a first pipeline. The mixed material conveying mechanism comprises a second pipeline, a mixed material conveying pump, a first driving motor and a third pipeline, the mixed materialthrowing mechanism comprises a floating supporting mechanism, a second driving motor and a throwing device, the throwing device comprises a fixed feeding pipe and a movable discharging pipe, and the control box comprises a controller and a touch display screen. By means of the feeding machine and the feeding control method thereof, efficient feeding of granulated feed or fermented feed can be smoothly achieved, and therefore the feeding efficiency of a fishpond can be improved, and the feeding work intensity can be reduced.
Owner:乔全德
Automated feed delivery device used for concentrated breeding of livestock
InactiveCN107836365AExpand the scope of deliveryTo prevent stickingAnimal feeding devicesReducerLinear motor
The invention discloses an automated feed delivery device used for concentrated breeding of livestock. The automated feed delivery device comprises a machine housing and a top cover. The right side below the machine housing is equipped with a driving machine. Additionally, the left side of the driving machine is provided with a speed reducer. Two sides of the upper part of a driven rotary shaft are both connected with stirring rods. Additionally, two sides of the lower part of the driven rotary shaft are both equipped with connecting rods. The outside end openings of the connecting rods are equipped with limiting boards. A second box body is arranged under the first box body. The position, facing roll beads, of the machine housing is equipped with a groove. Two sides at the lower part of the first box body are both provided with material leaking openings. A telescopic rod is arranged below a linear motor. Additionally, a connection circular ring is connected with the bottom of the telescopic rod. The interior of the connection circular ring is equipped with a joint. Feed is delivered in a rotary mode so that the delivery range of feed is increased. Additionally, feed in the automated feed delivery device is not sticky.
Owner:NANJING LINGYA AUTOMOBILE TECH RES INST
Knowledge and skill dynamic diagnosis method oriented to space-time evolution
ActiveCN113344054APredictive knowledgePredict learner future performance and diagnose knowledge masteryCharacter and pattern recognitionNeural architecturesPredictive learningMedicine
The invention belongs to the field of education data mining, and provides a knowledge and skill dynamic diagnosis method oriented to space-time evolution. The method comprises the following steps of: firstly, constructing a knowledge heterogeneous graph according to resource characteristics, and then dynamically updating the knowledge and skill state of a learner in time and space dimensions, therefore, the future performance of the learner is predicted, and the knowledge mastering condition of the learner is diagnosed. According to the method, a big data technology, deep learning and a natural language processing technology are comprehensively utilized, knowledge points of a learner are modeled from time and space, the knowledge state of the learner is influenced by introducing learning features and forgetting features, and a knowledge structure of the learner is updated by providing space-time cascade operation, the knowledge and skills of the learner can be diagnosed scientifically and comprehensively, future performance of the learner can be predicted, personalized recommendation practice can be performed on knowledge points with low skill mastery, and personalized teaching can be performed on knowledge points with poor performance in the future.
Owner:HUAZHONG NORMAL UNIV
A sewage treatment device
ActiveCN107324440BImprove crushing rateAvoid cloggingWater/sewage treatment by sorptionEngineeringSewage
Owner:广东华正建设工程有限公司
Alum feeding device for sewage treatment tank
InactiveCN110937674AExpand the spreading rangeAvoid casting blind spotsWater/sewage treatment by flocculation/precipitationDrive shaftGear wheel
The invention discloses an alum feeding device for a sewage treatment tank. The device comprises an outer barrel and a first motor, a material passing opening is formed in the top end of the outer barrel, the top end of the material passing opening is sleeved with a storage barrel, a first motor is installed on the right side of the storage barrel, a first gear is welded to the bottom end of the driving shaft of the first motor, an inner barrel is arranged in the outer barrel, the bottom end of the inner barrel extends out of the outer barrel to be provided with a discharging port, the left side of the inner barrel is hinged to the inner wall of the outer barrel, and a power mechanism is welded to the right side of the outer barrel. The alum feeding device is large in throwing range, blind-area-free uniform throwing is conducted on a water area in a circular area below the device in cooperation with front-back deviation of the discharging port, and practicability is high.
Owner:KEJIN INT (XIAN) ENVIRONMENTAL TECH CO LTD
Space large-range azimuth automatic alignment method based magneto-optical modulation
InactiveCN103090844ASolve exact calculationsExpand the scope of deliveryAngle measurementComputational physicsLarge range
The invention relates to a method for realizing large-range high-precision azimuth misalignment angle measurement based on an optical intensity signal undergoing sine wave magneto-optical modulation. The method comprises the following steps: calculating through a lower apparatus to obtain accurate u0, and judging the plus-minus of a misalignment angle through comparing the phases of a modulation signal and an AC signal obtained by a high-pass filter; establishing a measurement model of the rough misalignment angle in a large-angle range according to the relationship between the misalignment angle and the signal processed by a low-pass filter, and allowing the lower apparatus to rotate in a small-angle range under the control of the rough misalignment angle signal obtained after calculation; and directly obtaining an misalignment angle signal through calculating by utilizing the extreme point in the AC signal obtained through the magneto-optical modulation by the high-pass filter, and allowing the lower apparatus to continuously rotate in a preset threshold range in order to synchronize with an upper apparatus in azimuth. Compared with the prior art, the method provided by the invention has the advantages of solution of problems comprising the accurate calculation of u0 and the rough misalignment angle measurement in the large-angle range for the first time, provision of a way for determining the plus-minus direction of the misalignment angle in a range of -90-90DEG, and extension of the transmission range of the misalignment angle.
Owner:PLA SECOND ARTILLERY ENGINEERING UNIVERSITY
Method and system for displaying operator's advertisement
ActiveCN103618932BExpand the scope of deliveryEliminate differencesSelective content distributionCamProtocol stack
Owner:SHENZHEN TCL NEW-TECH CO LTD
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