72results about How to "Ensure adequacy" patented technology

The invention discloses a continuous-time motor vehicle tail gas concentration predicting method for target road segments. According to the method, an eRCNN (Region-based Convolutional Neural Network)model is constructed; a matrix containing continuous space-time tail gas concentration data of the road segments serves as the input of a network; the complex interactivity of the tail gas concentration among nearby road segments is naturally captured by using a convolution layer with no need for detailed characterization; in the meantime, an error feedback circulation layer is introduced to sense prediction errors caused by sudden changes of pollutant concentration; in addition, relationships among historical observation data are utilized and integrated to a great extent to improve the predicting accuracy and efficiency; and the method has a strong generalization ability and a certain social value and practical significance at the same time.

The invention discloses an English comprehensive ability training system, and belongs to the technical field of English training. The English comprehensive ability training system comprises a human-computer interaction unit, wherein an output end of the human-computer interaction unit is electrically connected to an input end of a central processing unit; an output end of the central processing unit is electrically connected to input ends of a comprehensive training unit, a system management unit, a simulation test system and a wireless communication unit; and an output end of the wireless communication unit is electrically connected to an input end of a teacher terminal. With the application of the system provided by the invention, training on English listening comprehension, writing, spoken English and English grammar can be conducted on students, so that English levels in various aspects can be greatly improved; by virtue of the system management unit, materials in the system can be inputted and managed, so that sufficient training materials are guaranteed, and subsequently, a training effect is further enhanced; by virtue of the simulation test system, the students can undergo autonomously simulation test; and through the simulation test, the students can master own weaknesses and conduct targeted training, so that students' English levels can be improved conveniently.

An electronic control unit is incorporated as one of a plurality of electronic controllers composing a system for controlling in-vehicle devices on a distributed and mutually-synchronized control manner in a vehicle. The plurality of electronic control units are communicably connected with each other via an in-vehicle network to communicate information including the time-dependent data among the electronic control units. Each electronic control unit comprises a control member, an elapsed-time calculation component, and a validity determination component. The control member performs the control on the basis of time-dependent data acquired in time series relating to the vehicle. The elapsed-time calculation component is configured to calculate an elapsed time elapsing from acquisition of the time-dependent data. The validity determination component is configured to use the calculated elapsed time to determine whether or not the time-dependent data is valid or not for the control in terms of freshness of the time-dependent data.

The invention discloses an etching solution capable of selectively etching metal copper and metal tungsten. The etching solution comprises an oxidant, an organic acid, a chelating agent, a pH regulator and a copper etching inhibitor. According to the selective etching solution for the metal copper and the tungsten disclosed by the invention, the low etching rate of the metal copper can be guaranteed while the metal tungsten is efficiently etched, and etching of the metal copper is avoided to the maximum extent. In the etching process, the pH regulator such as imidazole stabilizes the pH value of the etching solution, and large fluctuation of the pH value of the etching solution is avoided, so that large fluctuation is caused to the etching rate and the etching stability of metal copper and tungsten; the chelating agent and copper ions generated in the etching solution rapidly form coordination bonds to be chelated, and decomposition of an oxidizing agent hydrogen peroxide and stability of a hard etching solution caused by accumulation of the copper ions in the etching solution are avoided; in the etching process of copper ion etching inhibitors such as aminotetrazole, etching of copper ions is inhibited, and high-selectivity etching of metal tungsten relative to copper is guaranteed.

The invention belongs to the technical field of aquaculture, and concretely discloses a field snail, grass carp and loach mixed breeding method. The method comprises the following concrete steps of (1) pool cleaning: performing repeated disinfection respectively by quicklime and plant ash; (2) fingerling stocking; stocking a certain number of disinfected grass carp fingerlings, field snail fingerlings and loach fingerlings in a pool; (3) fixed time feeding: feeding a certain number of mixed breeding feed every time, and performing feeding three times in one day; (4) water quality management: controlling water flow, water depth and water temperature, and performing disinfection by plant ash at regular time; (5) fishing: fishing field snails, grass carp sand loaches with the weight reaching the standard under the proper conditions. The mixed breeding method has the advantages that the water layers of the pool are fully utilized; the field snails, the grass carps and the loaches in mixed breeding realize mutual growth promoting; the economic benefits are improved; the used feed is green and safe; the bacterial parasite and the parasite in field snail bodies, four kinds of diseases of the grass carps and various parasitosis and red skin diseases of the loaches and the like can be effectively prevented and treated.

The invention discloses a cultivation method of romaine lettuce. The cultivation method of romaine lettuce includes following steps. Firstly, seeds should be selected. Secondly, the selected seeds should be dressed or be germinated. Then, the selected seeds should be sowed to seedbed. After that step, the selected seeds should be supervised. When there are four or five leaves on the selected seeds, the selected seeds can be planted. Finally, field management should be applied to the planted romaine lettuce, which includes watering and fertilizing. The cultivation method of romaine lettuce improves quality and quantity of the romaine lettuce and makes contribution to Chinese lettuce cultivation.

The invention relates to a pig face recognition method, which belongs to the technical field of artificial intelligence. The method comprises the following steps: S1, multiple pigsties are arranged side by side, wherein each pigsty comprises a pigsty entrance arranged oppositely, and the pigsty is internally provided with a camera facing the pigsty entrance; S2, the cameras carry out shooting on pig faces entering the pigsties, and pig face video source data are acquired synchronously; S3, the video source data are uploaded to a server and processed to pig face images; S4, the pig face imagesare screened and labeled, effective pig face images are kept, and the coordinate information of the labeled pig face images is used as image data sources; S5, a model for pig face recognition is trained according to the image data sources; and S6, according to the well-trained pig face recognition model, the acquired pig face video source data are processed automatically. Through adopting a Tensorflow system for pig face recognition, the problem of lacking a technology for pig face recognition currently is solved.

The present invention relates to the aquatic feed technology, specifically discloses feed for intercropping snail, grass carp and loach and preparing method thereof. The feed is made from following materials by weight; the green feed is made from ryegrass, artemisia annua and silage corn stalks by certain weight percentage; the protein feed is made from soybean meal, peanut bran, rice bran and bone powder by certain weight percentage; the feed additives is composed of baical skullcap root, cork, papaya seed, pumpkin seed, garlic, the complex vitamins, compound protein zinc, the enzyme and the salt by certain weight percentage; the feed is produced after cleaning, drying, crushing and sieving, stirring and production method is simple and convenient. The feed is also helpful in regulating the gastrointestinal, sterilizing and improving the anti-stress ability. The feed can effectively control the parasitic bacteria and parasites in the snail body, 'Four diseases' that grass carp easily suffer and various diseases for loach in terms of offering right nutrients to snails, grass carp and loach.

The invention provides air purifying equipment. The air purifying equipment comprises a light source, an upper cross pipe, a lower cross pipe, a vertical pipe, a liquid taking pipeline and a filtering air pump, wherein the light source consists of an incandescent tube and a light reflecting plate; the inner side of the light reflecting plate is provided with a fixed support; the incandescent tube is arranged at the inner side of the light reflecting plate and is fixedly connected with the light reflecting plate via a fixed support; the air purifying equipment can be used for absorbing carbon dioxide and releasing oxygen via a dunaliella salina teodoresce culture solution contained in the cross pipe and the vertical pipe, and meanwhile, dunaliella salina teodoresce which performs merisis continuously by utilizing illumination provided by the light source flows out via a liquid taking opening, also can be used for daily health drinking or edible seasoning, and the illumination intensity of the light source can be regulated by utilizing an incandescent light bulb capable of being regulated according to gears, so that the speed of absorbing carbon dioxide and releasing oxygen by the dunaliella salina teodoresce culture solution can be regulated flexibly; the sufficiency of released oxygen in the air purifying equipment is ensured effectively; the air purifying equipment is convenient to use, is simple to operate, and is high in practicability.

The invention discloses a cutter die steel quenching production line, a quenching method and a cutter die steel machining method. The cutter die steel quenching production line comprises a feeding device, a clamping, conveying and positioning device for conveying cutter die steel to a preset station, a speed adjusting device used for controlling the feeding speed of the cutter die steel, an electric control device electrically connected with the speed adjusting device and the clamping, conveying and positioning device, a quenching furnace arranged behind the feeding device, a salt-bath furnace which is arranged behind the quenching furnace and internally provided with a band guide roller for pressing the cutter die steel down, a tempering furnace arranged behind the salt-bath furnace, a closed cooling device which is arranged behind the tempering furnace and used for cooling the cutter die steel and a material collecting device which is arranged behind the cooling device and used for collecting materials. According to the cutter die steel quenching production line, an original lead-bath furnace is replaced by the isothermal salt-bath furnace, the production cost is reduced, and it is guaranteed that the surrounding environment is not corroded; and the cooling device is of a closed structure, collection of smoke in a sealed cavity is achieved, and it is guaranteed that the surrounding environment is not polluted and air purification is kept.

The invention relates to artificial intelligence, and provides a cancer cell pathology grading method based on a deep learning model, and the method comprises the steps: obtaining at least two to-be-processed digital medical images of a diagnosed patient, carrying out the position registration, and obtaining at least two registered digital medical images; superposing the at least two registered digital medical images to obtain a superposed digital medical image corresponding to the diagnosed patient; performing image processing on the superimposed digital medical image to obtain a training image set; inputting the training image set into a convolutional neural network for model training to obtain a target deep learning model; obtaining a to-be-diagnosed digital medical image of a to-be-diagnosed patient, inputting the to-be-diagnosed digital medical image into the target deep learning model, and obtaining cancer cell pathological grade of the to-be-diagnosed patient. Therefore, the accuracy of pathological grading of cancer cells is improved while the manual operation is simplified. In addition, the invention further provides a cancer cell pathological grading device and equipmentbased on the deep learning model and a medium.

The invention discloses a disposable self-destruction protecting device for medical bipolar coagulation forceps, comprising a plug and a socket, wherein the socket is electrically connected to the power supply input end of the medical bipolar coagulation forceps in a non-detachable manner and mainly comprises a jack base, a spring, a brake lining and a pin roll; the jack base is provided with a slideway and a jack in which the plug is inserted and connected; the slideway is axially equidirectional with the jack; the pin roll is axially and movably inserted into an opening of the jack, which is opposite to the plug; the surface of the pin roll is fixedly connected with one end of a separation blade; the separation blade is positioned in the slideway and can axially move relative to the slideway; the other end of the separation blade can extend out and retract into an opening of the jack, which faces to the plug; the spring is elastically pressed against one side of the brake lining; the other side of the brake lining can be elastically pressed against the other end of the separation blade; and the other end of the separation blade can leave from the other side of the brake lining, so that the brake lining can be used for closing one opening of the jack, which faces to the plug. The self-destruction protecting device has a simple structure; and According to the self-destruction protecting device, stable and reliable operation of operation instruments can be ensured, pollution can be reduced and disposable specification is really realized.

The invention discloses a method for feeding Micraspis discolor (Fabricius) by using mixed food of eggs of ephestia kuuhniella and rape pollen, and relates to the field of insect feeding. The method specifically comprises the following steps: S1, feeding the eggs of ephestia kuuhniella; S2, feeding larvae of the Micraspis discolor (Fabricius) by mixing the eggs of ephestia kuuhniella and the rape pollen, and waiting for pupation and emergence; S3, carrying out male and female identification on adult Micraspis discolor (Fabricius) which primarily emerge, and then carrying out male and female pairing and egg laying; and S4, collecting egg masses of the Micraspis discolor (Fabricius), and propagating after incubation. According to the method, the eggs of ephestia kuuhniella and the rape pollen are adopted for mixed feeding, the feeding raw material cost is low, artificial breeding is simple, the food sufficiency can be guaranteed, the breeding cost is reduced, a systematic artificial propagation process is formed, therefore, individuals of the bred Micraspis discolor (Fabricius) are healthy, the survival rate is increased, and continuous multi-generation stable breeding is achieved.

A western medicine dissolver with high dissolution efficiency comprises a box body, a controller is bolted to the bottom of the front surface of the box body, supporting legs are welded to the periphery of the bottom of the box body, mounting seats are bolted to the periphery of an inner cavity of the box body, cylinders are bolted to the inner sides of the mounting seats, and the left sides of the opposite tops of the box body and the cylinders communicate with a feeding pipe. Through cooperation of a high-speed motor, a stirring shaft, a stirring frame, stirring holes and an auxiliary stirring rod, medicine components in the cylinders can be fully scattered and dissolved, the contact area between the medicine components is enlarged, and therefore the overall dissolving and mixing effectbetween the medicine components is directly enhanced; through cooperation of a temperature sensor, the temperature between the box body and the cylinders can be sensed in real time, then a signal instruction is sent to the controller, and the periphery of the cylinders can be uniformly heated through cooperation of an electric heater, a pressurizing air pump, a three-way connector, an air pipe, amain pipe, branch pipes, an annular frame and air spraying heads.

An electronic control unit is incorporated as one of a plurality of electronic controllers composing a system for controlling in-vehicle devices on a distributed and mutually-synchronized control manner in a vehicle. The plurality of electronic control units are communicably connected with each other via an in-vehicle network to communicate information including the time-dependent data among the electronic control units. Each electronic control unit comprises a control member, an elapsed-time calculation component, and a validity determination component. The control member performs the control on the basis of time-dependent data acquired in time series relating to the vehicle. The elapsed-time calculation component is configured to calculate an elapsed time elapsing from acquisition of the time-dependent data. The validity determination component is configured to use the calculated elapsed time to determine whether or not the time-dependent data is valid or not for the control in terms of freshness of the time-dependent data.

The invention discloses a pulmonary nodule false positive screening method and system based on a convolutional neural network. The method comprises the steps of acquiring the coordinate position and the maximum radius value of a candidate pulmonary nodule from pulmonary CT image data; extracting original 3D image data of the candidate pulmonary nodule from the pulmonary CT image data according tothe coordinate position and the maximum radius value, and performing interpolation processing on the original 3D image data; obtaining sample data of three planes corresponding to the candidate pulmonary nodule 3D image data obtained through interpolation, and performing scaling processing on the sample data of the three planes to form a training set; and training a convolutional neural network based on the training set, and performing false positive screening on the candidate pulmonary nodules through a convolutional neural network model obtained through training. According to the embodimentof the invention, the problem of high false positive rate of the existing end-to-end network in the pulmonary nodule recognition process can be solved, and the accuracy of computer-assisted pulmonarynodule automatic detection is improved.

This invention provides a type 2 diabetes monitoring system based on blood glucose monitoring, which comprises a real-time dynamic blood glucose monitoring device, a dynamic blood glucose monitoring workstation and a blood glucose intelligent analysis server. In combination with big data statistics, the type 2 diabetes monitoring system based on blood glucose monitoring presets a threshold group for judging blood glucose control situation, which corresponds to oral drug information or insulin injection information or insulin pump information, then a diagnostic analysis report of blood glucoseis generated by using the received user information and real-time blood glucose value according to preset rule, and the diagnostic analysis report of blood glucose is sent to the dynamic blood glucosemonitoring workstation to remind relevant personnel to make timely treatment and make intelligent and accurate analysis of blood glucose control in a long period, thereby providing good data supportfor subsequent blood glucose control. The type 2 diabetes monitoring system based on blood glucose monitoring has the advantages of being simple in structure and high in security. The invention further discloses an application of the type 2 diabetes monitoring system based on blood glucose monitoring in disease monitoring system.

This invention relates to a method, the application and a system for registering and outputting calling journal information including: recording and keeping the operation trail information of failed calls in the call process and its basic related information as the failed call journal information, then, analyzing the cause of the failure based on the information to optimize performance of the core net based on the analysis result.

The invention discloses a nano zero-valent ferrum based sewage treatment system, a treatment method and a preparation method of modified diatomite loaded nano zero-valent ferrum. The treatment systemcomprises a reduction treatment tank, a flocculation basin, an efficient sedimentation tank, a filter and a clear water basin which are sequentially connected, wherein the reduction treatment tank isused for treating sewage in the tank through the modified diatomite loaded nano zero-valent ferrum in the tank; the flocculation basin is used for flocculating pollutants in the sewage in the tank through a flocculant; the efficient sedimentation tank has a structure for separating mud and water in the sewage passing through the efficient sedimentation tank; the filter has a structure for trappingthe pollutants in the sewage passing through the filter; the clear water basin is used for adjusting a pH value of the sewage in the clear water basin to reach emission standards. According to the scheme, the nano zero-valent ferrum can fully react with nitrate, and thus, the efficiency of removal of the nitrate is high; meanwhile, the system has no need of strictly controlling pH conditions of reaction and is wide in applicable range; in addition, the consumption of agents is lowered, the operating cost is greatly reduced, the reaction conditions are mild, the process is safe, the cost of investment is low, the process is simple, and the operating maintenance is simple and convenient.

The invention provides a type-1 diabetes monitoring system based on blood glucose monitoring. The type-1 diabetes monitoring system comprises a real-time dynamic blood glucose monitoring device, a dynamic blood glucose monitoring workstation and an intelligent blood glucose analysis server, is preset with threshold value groups respectively corresponding to insulin injection information or insulinpump use information and used for judging the blood glucose control situation by combining with big data statistics situation, utilizes received user information and real-time blood glucose values togenerate blood glucose diagnosis and analysis reports according to preset rules, sends the blood glucose analysis reports to the dynamic blood glucose monitoring workstation to remind relevant workers of making handling in time so as to make intelligent and accurate analysis in the blood glucose control situation in a long time period, and provides good data support for follow-up blood glucose control. The type-1 diabetes monitoring system also has the advantages of being simple in structure, high in safety and the like. The invention also discloses application of the type-1 diabetes monitoring system based on blood glucose monitoring in a disease monitoring system.

The invention discloses drinking water equipment. The drinking water equipment comprises a bottom plate, wherein the two sides of the top of the bottom plate are both fixedly connected with a first bearing, an inner cavity of each first bearing is movably connected with a threaded rod, and a driven bevel gear sleeves the bottom of the surface of each threaded rod; a fixing block is fixedly connected to the position, between the two threaded rods, on the top of the bottom plate. Due to the cooperation of the bottom plate, the first bearings, the threaded rods, the driven bevel gears, the fixingblock, a transmission rod, a driving bevel gear, a driven gear, a motor, a driving gear, threaded sleeves and a drinking water tank, the height of the drinking water equipment can be adjusted, the requirement of livestock with different heights for water drinking can be better met, and the practicability of the water drinking equipment is improved. The water storage tank, a water pump, a water inlet pipe, a first water conveying pipeline and a second water conveying pipeline cooperate with one another so that a water source can be conveyed, the sufficiency of the water source is guaranteed, and the convenience for water drinking of the livestock is better met.

The invention discloses a method for extracting chloroplasts from Chlamydomonas reinhardtii. The chloroplasts with a high purity and a high completeness can be effectively extracted by combining differential pressure mechanical crushing, density gradient centrifugation and fatty acid abundance analysis technologies, and the extraction yield of the chloroplasts by chlorophyll is 0.5-30%. The methodis especially suitable for extracting the chloroplasts from Chlamydomonas reinhardtii under stress culture conditions which are difficult to extract by conventional methods, and provides an effectivebiomaterial for the subcellular level research of microalgae.

The invention discloses a packaging paper sterilization device for a filling machine, relates to filling machines, and aims to solve the problem that packaging paper is not effectively sterilized by filling machines in the prior art. According to the technical scheme, the packaging paper sterilization device for the filling machine comprises a hydrogen peroxide sterilization box, an ultraviolet sterilization box and a sterile traction box; the hydrogen peroxide sterilization box is provided with a first paper feeding groove and a first paper discharging groove; the hydrogen peroxide sterilization box is rotationally connected to an immersion guiding roller; the ultraviolet sterilization box is provided with a protruding portion; the protruding portion is provided with a second paper feeding groove; an ultraviolet lamp is arranged in an inner cavity of the ultraviolet sterilization box; the ultraviolet sterilization box is rotationally connected with two stroke extension rollers; and the ultraviolet sterilization box is provided with a second paper discharging groove. According to the packaging paper sterilization device for the filling machine, packaging paper is driven by a driving roller to sequentially pass through the hydrogen peroxide sterilization box and the ultraviolet sterilization box, thus, double sterilization of the packaging paper is achieved, and the packaging paper sterilization effect is effectively ensured.

The invention discloses a selfie stick with a light supplementing function. The selfie stick comprises a handle, a charging hole is formed in one end of the handle, the other end of the handle is provided with a bluetooth connector, one end of the bluetooth connector is connected with an electric telescopic rod, one end of the electric telescopic rod is fixedly provided with a connecting head, andone end of the connecting head is rotationally connected with a mounting head; and a second light supplementing lamp is arranged on the front face of the mounting head, a fixing plate is arranged atthe top end of the second light supplementing lamp, and clamping plates are symmetrically arranged on one side of the fixing plate, and one ends of the clamping plates are connected with arc-shaped tight clamping heads correspondingly. According to the selfie stick, first light supplementing lamps are connected to the two sides of the fixing plate in a rotatable mode, the first light supplementinglamps can be connected in a containing groove in a clamped mode, so that taking and using are convenient; the top end of the fixing plate is in threaded connection with a third light supplementing lamp, dismounting or mounting is convenient, moreover, the second light supplementing lamp is arranged on the front face of the mounting head, so that the sufficient performance of a light source is ensured; and the arc-shaped clamping heads and the clamping plates are used for fixing a mobile phone, so that the connection stability is good.

The invention discloses an efficient treatment system and an efficient treatment method for electroplating wastewater. The treatment system comprises at least one degradation sedimentation basin, an ion exchange pool, a biological treatment tank, a sedimentation tank and a primary activated carbon filter, wherein wastewater in the degradation sedimentation basin is treated by Fenton reaction and coagulating sedimentation; the ion exchange pool is connected with the degradation sedimentation basin and is used for treating effluent treated by the degradation sedimentation basin through ion exchange resin in the ion exchange pool; the biological treatment tank is connected with the ion exchange pool and is used for treating effluent treated by the ion exchange pool through aerobic sludge in the biological treatment tank; the sedimentation tank is connected with the biological treatment tank; the primary activated carbon filter is connected with the sedimentation tank. According to the scheme, the degradation sedimentation basin carries out Fenton treatment for improving the biodegradability of electroplating wastewater, so that organic matters in the wastewater can be removed by a biological treatment technology, and further COD, total phosphorus, ammonia nitrogen, total nitrogen and the like reach emission indexes; meanwhile, by combining with an ion exchange method, metal ions,in particular to heavy metal ions in the wastewater are effectively removed, so that the contents of the heavy metals reach the emission indexes.

The invention relates to a liquid volume metering device. The liquid volume metering device specifically comprises an oil inlet, an oil tank, an overflow tank, a split flow tank, an air vent and an oil outlet, wherein, the oil tank is communicated with the oil inlet via a liquid lead-in pipe; the overflow tank is communicated with the oil tank via a channel and is accommodated in a shell; the split flow tank is connected with the overflow tank via a communicating pipe and is communicated with the oil tank through a liquid level meter so that liquid enters the split flow tank from the liquid level meter when the liquid in the oil tank exceeds the liquid level meter; the air vent is communicated with the split flow tank so as to discharge and introduce air; and the oil outlet is connected with the oil tank via a liquid lead-out pipe so as to discharge the liquid in the oil tank. The liquid volume metering device has the advantages that liquid volume can be accurately measured by the device; the overflow tank can make up liquid for the oil tank, thus ensuring liquid adequacy; and accurate verification can be ensured under a non-horizontal status by means of a volume stabilizing hole.

The invention discloses a method and system for setting a temporary password of an intelligent door lock. The method comprises the steps that: a mobile phone terminal generates a plurality of temporary passwords in response to an operation of a user for setting a temporary password, stores the plurality of temporary passwords in a memory, and transmits the temporary passwords to an intelligent door lock server; the intelligent door lock responds to the operation of inputting a temporary unlocking password by the user and sends the temporary unlocking password to the intelligent door lock server; the intelligent door lock server compares the temporary unlocking password with a plurality of temporary passwords and then sends a deletion instruction to the mobile phone terminal when the temporary password which is the same as the temporary unlocking password is found; after receiving the deletion instruction, the mobile phone terminal deletes the temporary password which is the same as thetemporary unlocking password and calculates the number of remaining temporary passwords; and a plurality of temporary passwords are generated again and stored if the number of the remaining temporarypasswords is smaller than or equal to a preset threshold. By implementing the embodiment of the invention, the convenience of setting the temporary passwords can be improved.

The invention discloses a cross-border e-commerce and mobile terminal interaction method and system and a storage medium, and the method comprises the steps: S1, enabling a user to send request information through a mobile terminal, and enabling the request information to be transmitted to a local area network sharing system through a second wireless transmission module, at the moment, a transmission data receiving module in the local area network sharing system can receive request information of a user. The invention relates to the technical field of e-commerce transaction. According to the cross-border e-commerce and mobile terminal interaction method and system, and the storage medium, when the mobile terminal and the platform terminal perform data transmission, the data is transmittedthrough mutual cooperation of the local area network sharing mode and the short-distance wireless transmission mode, so that the data transmission is not blocked, the time delay of the data transmission is reduced to a great extent, and meanwhile, the data is transmitted in sections according to the network state and the data capacity, so that the data transmission efficiency is further improved,and good stability is provided for cross-border e-commerce transaction data transmission.

The invention discloses a safe material discharging device for a rectifying tower. The safe material discharging device comprises a material charging hole and a material buffer storage tank, wherein the material buffer storage tank is connected with a material discharging hole of the rectifying tower; a material discharging hole of the material buffer storage tank is connected with a material extraction pump; a liquid level observation device is arranged on the material buffer storage tank. The material buffer storage tank has a function of buffering materials discharged from the side line of the rectifying tower, the working state of the material extraction pump is controlled according to the liquid level observation device, the sufficiency of suction flow of the material extraction pump is ensured, a phenomenon of ineffective extraction of the material extraction pump is effectively avoided, and the service life of the material extraction pump is prolonged.

The invention provides a satellite space signal abnormity detection method and system. The method comprises the following steps of: selecting a base station, constructing a pseudo-range observation equation of all satellites of the selected base station at a certain frequency point, and calculating a pseudo-range residual error corresponding to each satellite; judging whether the pseudo-range residual errors of all the satellites of the selected reference station at the frequency point meet the chi-square test or not, and if not, carrying out gross error detection on the pseudo-range residual errors of all the satellites of the selected reference station at the frequency point to identify abnormal satellites in all the satellites of the selected reference station at the frequency point, and repeating the step until chi-square test is finally met; repeating the steps until the identification information of all the satellites of all the reference stations at all the frequency points is obtained; and judging the health states of all the satellites according to the identification information.