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The invention provides a multistage comprehensive evaluation method for a power distribution network planning scheme. The multistage comprehensive evaluation method comprises the steps of firstly, based on the research result of the existing power distribution network planning evaluation field, establishing the comprehensive evaluation index system of the power distribution network planning according to objectivity, systematicness, practicability, scientificity and other rules; and providing the conception of the desirable power distribution network evaluation index value, wherein the index can be set according to the actual conditions and power distribution network development target and the like of regions and can be used as a comparison object of the current power distribution network situation and the planning scheme evaluation. Through the method and flow, not only can the annular power distribution network of the planning target be comprehensively evaluated, but also the integrated performances of the other multiple stages of the power distribution network planning scheme can be evaluated, the evaluation results can represent the year-by-year evolution process of the power distribution network planning scheme, and the time sequence reasonableness of deploying construction projects in the planning scheme, thus being beneficial for planning personnel to correcting the weak links of the planning scheme, enabling the planning scheme to be more scientific and reasonable so as to ensure the safe and stable running of the power distribution network.

The present invention discloses a method and a device for managing information of a lost person. The method comprises: acquiring a first to-be-searched image containing a human face of a first to-be-searched object; performing human face recognition on the first to-be-searched image to obtain human facial feature information of the first to-be-searched object; searching in a known lostness image collection stored in a known lostness database for a particular known lostness image, wherein a similarity between human facial feature information of a particular known lost person corresponding to the particular known lostness image and the human facial feature information of the first to-be-searched object is larger than a similarity threshold; determining whether the particular known lostness image exists according to a search result, and if the particular known lostness image exists, determining the first to-be-searched object is the known lost person, and if the particular known lostness image does not exist, determining that the first to-be-searched object is not the known lost person. According to the method and the device provided by the present invention, fast search and accurate identification of the lost people can be realized.

The invention discloses an immunochromatographic strip for detecting viscerotropic leishmania infection and diagnosing kala-azar, which comprises a sample pad, a conjugate pad which is closely connected to the sample pad and contains a colloidal gold-labeled probe, a cellulose membrane closely connected with the conjugate pad and a water absorption pad closely connected to the cellulose membrane. The water absorption pad is far away from the conjugate pad, a quality control line is arranged at one end of the cellulose membrane, which is close to the water absorption pad, a detection line is positioned on the cellulose membrane between the quality control line and the conjugate pad, the detection line contains soluble antigen of the viscerotropic leishmania, and the quality control line contains antibodies specifically binding to the colloidal gold-labeled probe. The invention further provides a kit containing the immunochromatographic strip and a preparation method for the immunochromatographic strip. The immunochromatographic strip has the advantages of being simple and convenient to use, high in sensitivity and specificity, fast in detection, and simultaneously applicable to clinical and field use for human, livestock and wild animals.

Disclosed is a real-time logging method for a PLC-based control device. The method comprises the steps of giving a unique number for each metadata for describing the state of the control device; pressing information number corresponding to the metadata in a current period of a PLC into a stack in a device running process, and reading out and saving the current time of the PLC as a time stamp; after the PLC establishes communication connection with an output device, popping and transmitting the information number in the stack and the corresponding time stamp to the output device; and interpreting, by the output device, the received information number and the corresponding Time stamp to store a log of the control device. The above scheme can be used for recording and saving the state, running process, abnormal condition of the system and a command facilitating the monitoring and analysis of the system operation in real time in the form of a log.

The invention belongs to the technical field of network education personalized recommendation. The invention discloses an online education recommendation model based on user behavior data analysis anda construction method. The construction method of the online education recommendation model based on the user behavior data analysis comprises the following steps: adding nouns and nouns phrases withconfidence degree and calculation support degree in a candidate frequency attribute set, and defining a threshold value and words exceeding the threshold value; utilizing an adjacent rule pruning algorithm, an independent support degree pruning algorithm and a rule word filtering pruning algorithm to remove meaningless words and redundant words; screening out a set of criteria. According to the method, the expandability problem of the recommendation algorithm can be relieved, user preferences are identified, the similarity algorithm in a traditional collaborative filtering recommendation algorithm is optimized, the user similarity is calculated, and recommendation is generated. Experimental results show that the personalized recommendation algorithm based on user preferences can effectively improve the recommendation quality.

The invention provides a thermal ageing testing apparatus and a using method thereof. The thermal ageing testing apparatus comprises a testing box and a feeding device. A testing box is provided with a liquid crystal display and a camera; a heating device and a fan are arranged at the lower end of the two sides of the testing box; a plurality of groups of power clamp grooves are formed inside the testing box and air inlets are arranged at the inner wall of the testing box at the two sides of multiple groups of power clamp grooves; and an air outlet is formed in the top end of the testing box. The feeding device includes a feeding vehicle and a testing board; a fixed rack is installed on the feeding vehicle and a plurality of fixation positions are arranged on the fixed rack; power connectors are arranged at the rear end of the fixed rack; power ports are arranged at the fixation positions; and the power ports arranged at the rear end of the fixed rack are connected with the power connectors arranged on the fixation positions. The testing board is installed on fixation positions and is connected with the power connectors. A plurality of plugging slots are formed in the testing board. According to the invention, the design is reasonable and the operation is simple; the testing process can be realized rapidly; and the testing number is large and the transport speed is fast. Intelligent heating and cooling are carried out; and the time is saved. Real-time observation is carried out while element testing is carried out.

The invention provides a movable new energy automobile charging pile. The charging pile comprises a box body pedestal, a box body, a solar photovoltaic electricity generating component, wind power generation components, a breathing lamp and a charging system. The box body is fixedly arranged above the box body pedestal. The solar photovoltaic electricity generating component is arranged on a top of the box body. A superficial area of the solar photovoltaic electricity generating component is greater than a superficial area of the box body top. The plurality of wind power generation components are arranged above the box body. The solar photovoltaic electricity generating component and the wind power generation components are connected to an inverter through a current junction device and a current control device. The inverter is connected to a storage battery. A lower portion of the box body pedestal is provided with a universal wheel which can be locked. The charging pile has advantages that a charging effect of a charging module is good and a charging process is rapid; new energy is fully used, and energy saving and environmental protection are achieved; the breathing lamp is arranged and the breathing lamp can help people find the charging pile at night or at strange places; and the charging pile can be conveniently moved.

The invention discloses a multifunctional navigation device which comprises a server, a cane, a backpack, a backpack storage box, a cane storage column and an RFID active tag. The cane is provided with a first battery, a first control module, a first wireless communication module, a first gyroscope, an RFID recognizer, a first speaker, a binocular camera, an ultrasonic detector, a lamp, a light sensor, a physical feedback module, a first wireless charging coil and a first microphone. A second control module, a second microphone, a GPS module, a second battery, a second wireless communication module, a third wireless communication module, a second gyroscope, a second speaker, a memory, a wired charger, a second wireless charging coil and a warning light are arranged in the backpack. The multifunctional navigation device can be used for indoor navigation and outdoor navigation, can give an early alarm for obstacles and can predict road information to a user in advance, thereby reducing the way exploring time of the user. The user does not need to find a socket due to wireless charging.

The invention provides a shale gas sweet spot prediction method based on a BP neural network, and belongs to the field of geological exploration. The method comprises: acquiring reservoir desserts, and storing various geological parameters in the desserts and pressure coefficient desserts, evaluating geological characteristic parameters related to the gas content of the shale gas, establishing a mapping relation corresponding to the gas content of the shale gas for the geological characteristic parameters through a BP neural network model, obtaining the optimal weight of each geological characteristic parameter, and obtaining a dessert distribution prediction model of the shale reservoir by quantitatively superposing each parameter planar graph. According to the prediction method, the influence of various geological parameters in reservoir desserts, storage desserts and pressure coefficient desserts on the shale gas content is systematically analyzed, the BP neural network is combined,the weights of the geological parameters of the desserts in different structural regions are defined, and the distribution of the shale gas dessert regions of the shale reservoir is quantitatively predicted.

The invention relates to a method and a system for calculating commodity explosion exponent with timeliness. The calculation formula adopted in the method is as follows: thetabst=betaval*gammaamt*lambdainvt*100%, theta bst denotes the time-dependent exposure index, beta val denotes the ratio of total sales of goods to total sales of all goods in a certain period of time, gamma amt denotes the ratio of total sales of goods to total sales of all goods in the said period of time, lambda invt denotes the average value of the total stock consumption proportion of goods in the said period of time. The system comprises a data acquisition module, an explosion index calculation module, a storage module, a management module and a display module. The invention establishes the calculation formula which can accurately reflect the commodity explosion index with timeliness, and is helpful to help the user to easily find the explosion commodities which accord with the actual effect in browsing, screening and searching, and also to help the seller to analyze the short-term explosion commodities and adjust the operation strategy.

Provided is an inter-domain disjoint multipath generation method based on AS rings. When each router carries out path selection, two disjoint paths are selected and sent to a neighboring BGP neighbor according to information of the AS rings included in two paths. The invention provides a measurement method of disjoint paths and specific steps for selecting the disjoint paths. According to the inter-domain disjoint multipath generation method, through path combination based on the AS rings, due to the fact that two disjoint paths which reach to the same goal prefix can be connected to form one AS ring, two best paths can be selected by selecting path combinations including the better AS ring information to the greatest extent in the stage of path selection, and consequently other AS rings can find two disjoint paths beneficially.

The invention provides a shale gas sweet spot prediction method based on multi-level fuzzy recognition, and relates to the field of shale gas. The method comprises: listing a deposition condition, a storage condition and a storage condition as a criterion layer, and respectively listing the parameters of the deposition conditions, the parameters of the reservoir conditions and the parameters of the storage conditions as index layers, comparing the indexes of the same layer in pairs to form a plurality of discrimination matrixes, calculating to obtain the weight of each parameter in each indexlayer relative to the corresponding criterion layer, and determining the shale gas dessert according to the measured value of each parameter and the corresponding weight. The influence of various geological parameters in deposition conditions, reservoir conditions and storage conditions on the gas content of shale is systematically analyzed, the weights of the geological parameters of desserts indifferent tectonic regions are defined in combination with a multi-level fuzzy recognition method, and the distribution of the shale gas dessert regions is predicted through weighted summation in combination with a quantitative plane distribution diagram of the various parameters.

The invention discloses an interelectrode discharge mapping ablation catheter and a using method thereof, wherein the catheter comprises a catheter body; electrodes are arranged on the outer surface of the catheter body; lead wires are arranged in the catheter body; the lead wires are electrically connected to the corresponding electrodes; the two or more electrodes include at least one radio-frequency current transmitting electrode and at least one radio-frequency current receiving electrode; and the electrodes are arranged at the ends of the catheter body. According to the ablation catheter provided by the invention, the at least two electrodes are arranged on the ablation catheter, so that radio-frequency current, which is transmitted to human tissues by virtue of the electrodes on the ablation catheter, passes through the electrodes, the human tissues and other electrodes, so that at least one closed loop is defined. Therefore, the ablation catheter which can implement transverse heating on the human tissues, in comparison with the prior art which can implement longitudinal heating, is larger in heating area; and ablation of focus tissues in a large area can be accelerated, ablation surgical time can be saved and ablation efficiency can be improved; therefore, patient's pain can be relieved and surgical risk can be reduced.

The invention provides a distributed book communication method. The method comprises the following steps: a, according to user information input by a user end and book label information corresponding to the user information, determining at least one user set which the user belongs to; b, according to an input transfer request, selecting a transfer user from a transfer user set, wherein the transfer request comprises user information of a first user, user information of a second user and the book label information transferred from the first user to the second user, and the transfer user set is at least an intersection of the user set which the first user and the second user belong to; and c, forwarding the transfer request to a transfer user end, and when the transfer user end receives the transfer request, sending user information of the transfer user to a first user end and a second user end. The method provided by the technical scheme is simple, solves the actual demand for book communication among users and brings great convenience to people.

Provided is an underground parking garage lighting and energy-saving system and a control method thereof. The system comprises two lighting modules which are a vehicle channel lighting module and a parking stall lighting module respectively. The vehicle channel lighting module comprises a vehicle channel lamp and a first controller which are interconnected. The parking stall lighting module comprises multiple parking stalls and a second controller. A parking stall indicating lamp is arranged above each parking stall and a parking stall parking auxiliary module is arranged behind the parking stall. The parking stall parking auxiliary module comprises a laser distance-measuring module and a parking auxiliary lamp. Each parking stall indicating lamp and the parking stall parking auxiliary module are connected with the second controller. Meanwhile, the first controller is connected with the second controller. The working state of the parking auxiliary lamps is controlled according to distance measured by the laser distance-measuring module. Under the condition of parking auxiliary lighting, the parking auxiliary lamps are ensured to be turned off when the parking auxiliary lamps are not needed.

The invention provides an audio and video interaction system audio and video out-of-step test method, device and system, and relates to the field of real-time audio and video communication technology and finance. The method comprises the following steps: configuring network states of a sending terminal and a receiving terminal of a to-be-tested audio and video interaction system according to preset network configuration parameters; sending a test start instruction to an audio and video playing terminal arranged at the sending terminal, so that the audio and video playing terminal synthesizes and plays a test audio and video clip; receiving the out-of-step duration of a test audio and video clip transmitted by the audio and video interaction system to be tested and sent by an audio and video acquisition terminal arranged at the receiving terminal; and generating a sound and picture out-of-step report according to the out-of-step duration and the current network state. By synchronizing the network state of the conference terminal, the special test audio and video clip is synthesized, accurate measurement of audio and video out-of-step of the audio and video interaction system is realized, and a developer is enabled to find defects of the conference system.

The invention discloses a mobile new energy automobile timekeeping charging pile. The mobile new energy automobile timekeeping charging pile comprises a case body base, a case body, a solar photovoltaic power generation component, wind power generation components, a breathing light and a charging system. The case body is fixedly arranged at the upper part of the case body base, the solar photovoltaic power generation component is arranged at the top of the case body, the surface area of the solar photovoltaic power generation component is bigger than that of the top of the case body, multiple wind power generation components are arranged at the upper part of the case body, the solar photovoltaic power generation component and the wind power generation components are connected to an inverter through a current junction station and a current controlling device, the inverter is connected to a storage battery, the lower part of the case body base is provided with a universal wheel, and a timekeeper is also arranged on the case body. The mobile new energy automobile timekeeping charging pile has the advantages that a charging module is good in charging effect and fast to charge, new energy is made full use of, the charging pile saves energy and is environmentally friendly, the breathing light is provided, the breathing light helps people find the charging pile at night or in a strange place, and the charging pile is convenient to move, and can display charging time.

The invention belongs to the field of genome data analysis, and discloses a genome structure variation distribution detection method and device, and the detection method comprises the following steps: obtaining and filtering genome sequencing data, calculating the distance between adjacent variations, segmenting a genome by using a piecewise constant fitting (PCF) algorithm, and visualizing the distribution of variations along the genome. The detection device comprises an input module, a calculation module, a genome segmentation module and a visualization module. Based on high-throughput sequencing data, the method is suitable for VCF or MAF files of any genome, detection of genome structure variation along chromosome distribution is achieved through the PCF algorithm, and mutation hot spot areas of the genome can be found easily.

The invention discloses a high toss act height detection system and a correction system thereof. The high toss act height detection system comprises an electronic eye for detecting high toss act and performing multi-time capture when detecting the high toss act; a speedometer for calculating a falling speed of the high toss act at a shooting moment according to pictures taken by the electronic eyeat different moments; and a data processor for calculating a throwing height of the high toss act according to the pictures taken by the electronic eye and the computation speed of the speedometer. The high toss act height detection system provided by the invention can effectively calculate the throwing height of the high toss act, which is conducive to finding the perpetrator.

The invention discloses a navigation device for the blind and an amblyopia group. The navigation device comprises a server, a cane, a backpack and an RFID active tag. A first battery, a first controlmodule, a first wireless communication module, a first gyroscope, an RFID identifier, a first speaker, a binocular camera, an ultrasonic detector, an illumination lamp, a light sensor, a physical feedback module and a first microphone. A second control module, a second microphone, a GPS module, a second battery, a second wireless communication module, a third wireless communication module, a second gyroscope, a second speaker, a memory, a wired charger and a warning light are arranged in the backpack. Indoor navigation and outdoor navigation can be performed to monitor the environment in the navigation process, not only obstacle warning can be performed, but also the road information can be predicted to a user in advance. The exploration time of the user is reduced, the load on the hands of the user is alleviated, and the device is suitable for the blind and the amblyopia group.

The invention provides an intelligent navigation system based on the Internet of Things. A monitoring terminal is arranged on a traffic light; a receiving terminal is arranged in an automobile; the receiving terminal is connected with an automobile information system in the automobile; a monitoring processor module, a traffic light signal collector, a monitoring camera, a traffic flow collector and a first wireless communication module are arranged in the monitoring terminal; the receiving terminal comprises a second wireless communication module; and the first wireless communication module and the second wireless communication module are in wireless signaling connection with each other. The intelligent navigation system based on the Internet of Things has the beneficial effects that the information of the traffic light can be collected in real time and timely transferred to a driver by the monitoring terminal, and the data is stored through a database, so that the intelligent navigation system is beneficial to unimpeded traffic flow, reduction of traffic jam and reduction of accident probability.

The invention discloses a relaxation compression garment with a massage function. The garment comprises a compression coat and compression pants; the compression coat and the compression pants are produced from two layers of polyester composite fabrics; the polyester composite fabrics are prepared from the following raw materials in parts by mass: 55-72 parts of polyester staple fibers, 20-34 parts of polyester filament yarns, 25-35 parts of polyurethane filament yarns and 8-15 parts of carbon fibers; acupoint massage rubber points are arranged in positions, corresponding to acupoints of a human body, of the compression coat and the compression pants; and the acupoint massage rubber points are arranged between the two layers of the polyester composite fabrics. According to the garment, the two layers of the polyester composite fabrics with high elasticity, moisture conduction, ventilation and antibacterial functions are adopted for producing the split or integrated compression coat and compression pants; the acupoint massage rubber points or massage magnets corresponding to the acupoints of the human body are arranged between the two layers of the fabrics; and discomfort symptoms such as acid pain and the like of the arms, the elbow, the shoulders, the back, the neck, the hip, the legs, the knee and the like can be effectively eliminated, thereby achieving quick recovery of the body.

The invention discloses an electric power marketing business expansion mobile operation system and method, and aims to bring related business of electric power marketing to a site for processing through a safe remote communication technical means, support real-time interaction between an operation site and a management background, provide powerful technical and business support for the operation site and realize paperless operation in business expansion site operation. All information is electronically recorded, so that subsequent material search and information archiving are facilitated. An operator inputs investigation (acceptance) information on site and directly synchronizes the investigation (acceptance) information to the marketing system, the information does not need to be input again in the marketing system, and the work of the operator is reduced. In business expansion, power grid equipment information is integrated by using a digital map through a mobile operation terminal,and field operation personnel can inquire and locate nearby equipment at the first time and check specific information of related equipment at the same time, so that the working efficiency of the field operation personnel and the customer service quality are improved.

The invention discloses a pre-drilling and post-drilling analysis method for key geologic risk factors of a drilling target. The method comprises the steps of predicting pre-drilling risk factors, determining key pre-drilling risk factors, and performing statistics on the occurrence frequency of the key pre-drilling risk factors; obtaining post-drilling failure factors, determining key post-drilling failure factors, and performing statistics on the occurrence frequency of the key post-drilling failure factors; determining pre-drilling and post-drilling consistency risk factors according to the key pre-drilling risk factors and the key post-drilling failure factors, and performing statistics to obtain the occurrence frequency of the consistency risk factors; and based on the occurrence frequencies of the key pre-drilling risk factors, the key post-drilling failure factors and the consistency risk factors, obtaining a pre-drilling prediction coincidence rate and a post-drilling actual coincidence rate to assess the key geologic risk factors. According to the method, the problem that the key geologic risk factors of the drilling target can be qualitatively analyzed only in the prior art is solved, so that the evaluation level can be improved and the exploration risk can be lowered.

The invention provides a method for directly screening and identifying genomic DNA (Deoxyribose Nucleic Acid) controlled by miRNAs (micro Ribose Nucleic Acids). The method comprises the steps of marking the studied target miRNAs with a biotin, separating and purifying the genomic DNA which is in targeted combination with the biotin marked miRNAs in the physiological status by use of the affinity between the biotin and a streptavidin, next, performing cloning and sequencing on the separated and purified DNA to obtain DNA sequence information, and analyzing the positions and names of genes of the DNA sequence by use of the bioinformatics, thereby obtaining all the target genes of the miRNAs controlling the genomic DNA. The method can be applied to the functional study of the miRNAs of all targeted genomic DNAs.

The invention provides a method and a device for generating the name of a multimedia list. The method comprises the following steps: obtaining the type of a target multimedia list, wherein the target multimedia list comprises at least one multimedia file; selecting a target multimedia file from the multimedia files; extracting a first modification text for the target multimedia list from multimedia information contained in the target multimedia file; and generating the name of the target multimedia list based on the type of the target multimedia list and the first modification text, and obtaining the type of the target multimedia list and the first modification text by using a big data processing technology and a natural language processing technology in an artificial intelligence basic technology.

The invention discloses a pre-drilling and post-drilling analysis method for key geologic risk factors of a drilling target. The method comprises the steps of predicting pre-drilling risk factors, determining key pre-drilling risk factors, and performing statistics on the occurrence frequency of the key pre-drilling risk factors; obtaining post-drilling failure factors, determining key post-drilling failure factors, and performing statistics on the occurrence frequency of the key post-drilling failure factors; determining pre-drilling and post-drilling consistency risk factors according to the key pre-drilling risk factors and the key post-drilling failure factors, and performing statistics to obtain the occurrence frequency of the consistency risk factors; and based on the occurrence frequencies of the key pre-drilling risk factors, the key post-drilling failure factors and the consistency risk factors, obtaining a pre-drilling prediction coincidence rate and a post-drilling actual coincidence rate to assess the key geologic risk factors. According to the method, the problem that the key geologic risk factors of the drilling target can be qualitatively analyzed only in the prior art is solved, so that the evaluation level can be improved and the exploration risk can be lowered.