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33results about How to "Quick tag" patented technology

Real-time monitoring system for line loss of photovoltaic grid-connected transformer area based on data driving

The invention discloses a photovoltaic grid-connected zone area line loss real-time monitoring system based on data driving, which relates to the field of power systems, and comprises a data collection and preprocessing module, a line loss anomaly detection module, a line loss reason identification module, a line loss prediction module and an optimization control module. A cloud big data platform is adopted to construct a comprehensive power grid model and a photovoltaic power generation model, a time sequence analysis method is used to mine the line loss trend of a distributed photovoltaic grid-connected zone area, line loss prediction and early warning are realized, and an optimization control strategy is made according to the prediction trend, the current power grid operation state and historical optimization records. Therefore, the stability and reliability of power grid operation are improved; the method solves the problems that the line loss of the photovoltaic grid-connected transformer area is difficult to identify and position quickly and accurately and a corresponding line loss optimization strategy is lacked, and can realize real-time monitoring of the line loss of the distributed photovoltaic grid-connected transformer area, effectively reduce the line loss rate and guarantee stable operation of a power grid.
Owner:SANMENXIA POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER

Health condition monitoring method based on smart bracelet

InactiveCN119632514AAddressing the limitations of independent analysisimprove integrityMedical communicationHealth-index calculationTime domainMultiple sensor
The invention belongs to the technical field of signal processing, and particularly relates to a health condition monitoring method based on a smart bracelet, and the method comprises the steps: 1, regarding a physiological signal collected by each sensor on the smart bracelet in a set time interval as a combination of a plurality of different frequency components, and containing band-pass noise; 2, evolving each time domain signal in a high-order tensor field to obtain a wavelet coefficient; 3, calculating the fractal dimension and singular spectrum of each sensor under each mother wavelet based on the wavelet coefficient; obtaining a chaos state between the sensors; and 4, introducing a continuously evolved global health threshold value by integrally summarizing the collaborative state and the chaotic state of the sensor, and ensuring the numerical value to be stable. According to the method, the problems of insufficient multi-sensor signal fusion, limited anti-noise capability, lack of dynamics and individuation and the like in the prior art are solved, and the accuracy, robustness and real-time performance of health monitoring are remarkably improved.
Owner:SICHUAN TIANDI HONGHUA TECHNOLOGY CO LTD

Embedded part auxiliary positioning device for photovoltaic power generation engineering construction

The utility model discloses an embedded part auxiliary positioning device for photovoltaic power generation engineering construction, and relates to the technical field of photovoltaic power generation engineering, a telescopic groove is arranged at a position between two adjacent flexion and extension side plates, flexible rubber pads are arranged at the inner side edge ends of the flexion and extension side plates, the flexion and extension side plates form a sleeve structure, and the flexible rubber pads are arranged in the sleeve structure. A threaded ring is arranged at the edge end of the outer side of the flexion and extension side plate, and a threaded extrusion sleeve is connected to the outer side of the flexion and extension side plate through the threaded ring, so that the mounting disc can be conveniently and quickly clamped to the top of the foundation pile, adaptive limiting clamping can be performed according to the shape of the foundation pile, the stability of the mounting disc during mounting and fixing is guaranteed, and the mounting disc is prevented from being damaged. And meanwhile, different foundation piles can be conveniently and adaptively fixed according to requirements, meanwhile, the different foundation piles can be conveniently and rapidly positioned through a horizontal ruler, an automatic winding barrel, a positioning ruler belt, a positioning disc and a gradienter, and the levelness of subsequent installation of the embedded part on the two foundation piles is guaranteed, so that the installation precision of the embedded part is improved, and operation is convenient and fast.
Owner:董川林

Large language model-based shift change information intelligent completion and error early warning system

The invention discloses a shift change information intelligent complementation and error early warning system based on a large language model, which belongs to the technical field of medical information processing and comprises a terminal acquisition module, an intelligent distribution complementation module and an early warning control module. Structure and semantic fingerprints are generated for the data table, a shift exchange asset meta model is constructed through fusion similarity clustering merging, and a semantic enhancement model is generated in combination with medical shift exchange specifications to complete information field completion; the intelligent distribution and completion module configures an optimal path with the minimum comprehensive overhead for the acquisition module by relying on a regional dynamic shift information network formed by double sub-networks; the early warning control module is combined with a large language model semantic analysis and rule engine, monitors an acquisition track and identifies information abnormity to execute error early warning, and an early warning result is fed back to the intelligent distribution complementation module, so that dynamic adjustment of an optimal path is realized, and the integrity, accuracy and acquisition efficiency of medical shift information are improved.
Owner:JINTANG FIRST PEOPLES HOSPITAL

An office tape with quick tip identification

This utility model relates to the field of adhesive product technology, specifically to an office tape for quick identification of tape ends. It includes a tape and a circular support. The circular support is located at the center of the tape. Circular plates are rotatably connected to both sides of the circular support via damping shafts. Each circular plate has an arrow-shaped support arm connected to one side for pointing the tape end. A cutting component is located on the outer periphery of the tape, with both ends connected to corresponding support arms. This mechanism, consisting of the tape, circular support, support arms, and cutting component, provides office workers with a way to quickly locate the tape end. This allows them to easily identify the location of the cut tape end when using the tape again, avoiding the need to search the entire outer periphery of the tape.
Owner:TIANJIN RONGXING ADHESIVE PROD CO LTD

A rolling buried pipeline rapid positioning and surveying device

The invention discloses a rolling buried pipeline rapid positioning and surveying device, which relates to the field of municipal maintenance technology. This scheme aims to quickly and accurately locate the buried pipeline through the specific sound wave intensity recognition technology on the ground. During operation, the user swings the support rod by holding the handle, and the bottom end of the support rod drives the sealing chamber to swing, thereby guiding the ground wheel to roll and drive the connecting tube to rotate, so that the pickup moves along a circular trajectory. The pickup is compressed and contracted when it contacts the lowest point of the ground, and keeps in contact with the ground to collect sound. The design of the device prevents the pickup from being dragged when sampling evenly on the ground, thereby improving the detection accuracy. In addition, the device can also leave marks on the ground to quickly identify the detection area, simplifying the recognition and recording of the pipeline position. Generally speaking, compared with the traditional pipeline positioning technology, this scheme has the advantages of simple operation, high detection efficiency, high accuracy and low cost, and is suitable for pipeline survey work in various complex geological environments.
Owner:陕西奇力达电子科技有限公司

Intravenous infusion finished product rechecking table

The utility model belongs to the technical field of rechecking detection, and particularly relates to an intravenous infusion finished product rechecking table which comprises a table top, a stand column is fixedly connected to the bottom of the table top, a supporting plate is fixedly connected to the bottom of the stand column, and supporting legs are fixedly connected to the bottom of the supporting plate. The upper surface of the supporting plate is fixedly connected with a supporting table, the upper surface of the supporting table is fixedly connected with an LED lamp, and the bottom of the table top is fixedly connected with a first U-shaped plate. According to the intravenous infusion finished product rechecking table, through cooperation of the table top, the first U-shaped plate, the soft light plate, the rectangular barrel, the rectangular hole, the connecting column, the rectangular ring, the driving motor, the rotating shaft, the disc, the cylinder and the first partition plate, the intravenous infusion finished product rechecking table has the function of automatically shaking an infusion bottle; and medical personnel do not need to manually shake the infusion bottle, so that the hand fatigue of the medical personnel during batch operation is relieved.
Owner:TANGSHAN CENT HOSPITAL CO LTD

A slide marking device

ActiveCN224392194Uquick tagQuick location searchTypewritersMicroscopic observationMechanical engineering
The utility model discloses a slide mark device, it includes bottom plate, installs linear motion module on the bottom plate, and the linear motion module is connected the slide tray on the slide tray with sliding; inkjet printing module is installed on the bottom plate, and it is located the slide tray top; linear motion module drives the slide tray and approaches or is far from inkjet printing module. It can mark the position of the target tissue on the slide quickly and accurately, and it is convenient for the subsequent classification of the slide delivery and quick positioning search, and it is convenient for the microscope observation, and according to the mark on the slide, the target tissue on the slide is positioned quickly, and the detection is carried out.
Owner:BOTOU YINGCONG (SUZHOU) TECH CO LTD

Crop disease detection method based on unmanned aerial vehicle and application

The invention relates to the technical field of image recognition, in particular to a crop disease detection method based on an unmanned aerial vehicle and application, and the method comprises the steps: obtaining a multispectral image of a crop, carrying out the preprocessing of image annotation, zooming and normalization on the multispectral image, obtaining a training set, carrying out the image annotation of the training set, and obtaining a target image; obtaining a test set containing the multispectral image and the corresponding scab marks; constructing a crop disease detection model according to the DDT model and the Xception structure; inputting the training set into a crop disease detection model to obtain a prediction result; evaluating the trained crop disease detection model according to a preset performance index, and checking prediction conditions of the crop disease detection model in different categories through the confusion matrix; adjusting and optimizing the crop disease detection model by using an Adam optimizer according to an evaluation result; and detecting crop diseases by using the optimized crop disease detection model. Compared with an existing method, the method has the advantages that the processing speed is higher, the resource requirement is lower, and the method has popularization and practical significance.
Owner:AGRI INFORMATION INST OF CHINESE ACAD OF AGRI SCI

A data consistency checking system

The application discloses a data consistency checking system, and relates to the technical field of data checking and control.The system comprises a first data record set of a system collection source database and a second data record set of a target database, and generates a source end hash sequence and a target end hash sequence through a unified hash feature extraction mode.The two groups of hash sequences are subjected to block comparison, the data block positions of hash values with differences are marked, the source end and target end original data segments of the corresponding positions are extracted, the data segments are subjected to byte-level bit-by-bit comparison, and a difference bit distribution map is generated.The physical storage address corresponding to the data inconsistent record is accurately positioned according to the difference bit distribution map and is output.The system replaces full-amount original data traversal comparison with hash block comparison, reduces data comparison operation cost, realizes fine difference identification from the data block to the byte level, and can accurately lock the underlying physical storage position of the difference data.
Owner:百信信息技术有限公司 +1

Filter optimization method based on artificial surface plasmon

The invention discloses a filter optimization method based on artificial surface plasmon, and relates to the field of signal processing, and the method comprises the steps: S1, monitoring and collecting the real-time operation parameters of each filter; s2, presetting a reference amplitude range of the working signal; s3, characteristic parameters of artificial surface plasmons are preset for each filter, and the part, exceeding the reference amplitude range, of the frequency amplitude of the working signal is set as an abnormal frequency value; and S4, constructing a filter waveguide model, and setting an iteration output value as a correction operation parameter of a corresponding filter. Compared with the prior art, the abnormal frequency of the filter can be quickly identified and marked by monitoring the operation parameters of the filter in real time, the possible coupling effect can be quickly positioned by identifying the abnormal frequency in time, the debugging and correction time is shortened, and the debugging efficiency is improved. The method has the advantages that abnormal operation of the filter can be found and corrected as soon as possible, and loss and failure rate of equipment are reduced.
Owner:AEROSPACE SCI & IND ACAD OF COMM TECH

Polyaspartic acid grafted dopamine and ethanolamine polymer chelated iron oxide nanoparticles and their radionuclide labeling

The invention discloses a polyaspartic acid-grafted dopamine and ethanolamine polymer chelated iron oxide nanoparticle and a nuclide marker thereof. The iron oxide nanoparticle uses a polyaspartic acid-dopamine / ethanolamine grafted polymer as a ligand, and Fe 2+ and Fe 3+ As an iron source precursor, it is synthesized in one step by a continuous flow device co-precipitation method and then used 64 Cu 2+ Radioactive labeling is performed to obtain a radionuclide marker, which can be used as a PET / MRI dual-mode contrast agent.
Owner:NORTH SICHUAN MEDICAL COLLEGE

A cherry seedling auxiliary planting tool

This utility model discloses an auxiliary planting tool for cherry seedlings, belonging to the field of cherry seedling planting technology. Its key technical features include a fixed frame with a marking mechanism inside, a spacing mechanism on the rear side of the fixed frame, and a lifting rod on the top of the fixed frame. The spacing mechanism includes an indicator cone, a through hole, several graduated grooves, a spacing rod, and a limiting frame. The through hole is located inside the limiting frame, the top of the indicator cone is fixedly connected to the top of the inner wall of the through hole, the spacing rod is movably inserted into the limiting frame, and the graduated grooves are located on the rear side of the spacing rod. This invention solves the problem that existing methods for spacing cherry seedlings require prolonged bending and measuring with a ruler to mark the planting position on the ground, which is inconvenient, consumes a lot of physical strength, affects efficiency, and provides limited assistance for cherry seedling planting.
Owner:LUFENG LARGE CHERRY PROFESSIONAL COOP IN FUSHAN DISTRICT YANTAI CITY

A flow cytometry magnetic labeling microdevice based on ultrasound

The invention discloses a flow cell magnetic labeling microdevice based on ultrasound, comprising a microfluidic chip and an ultrasonic device, wherein a first channel, a second channel, a mixing channel and a labeling channel are arranged inside the microfluidic chip, the first channel is used to inject a cell suspension, the second channel is used to inject a magnetic nanoparticle solution, the first channel and the second channel are respectively provided with injection ports on the surface of the microfluidic chip, the first channel and the second channel are both connected to the inflow end of the mixing channel, the outflow end of the mixing channel is connected to the inflow end of the labeling channel, the outflow end of the labeling channel is provided with a mixed liquid outlet on the surface of the microfluidic chip, and the flow area of ​​the mixing channel is smaller than the flow area of ​​the labeling channel; the ultrasonic device comprises a container and an ultrasonic transducer arranged at the bottom of the container, and the ultrasonic transducer is connected to a matching circuit. This scheme can continuously, quickly and safely carry out sufficient magnetic labeling of cells in batches, reducing the influence on the activity and proliferation function of the cells.
Owner:UNIV OF SCI & TECH OF CHINA

Lentivirus or cell for displaying HLA (human leukocyte antigen) polypeptide with native conformation as well as preparation method and application of lentivirus or cell

The invention discloses a lentivirus or cell for displaying HLA polypeptide of native conformation, and a preparation method and application thereof, and relates to the field of cell biology. According to the method, a specific HLA presentation system is constructed, so that the new antigen can be accurately recognized and presented, and the recognition efficiency of the new antigen is improved. In addition, the invention further provides a preparation method of the lentivirus or cell with the marker and used for displaying the HLA polypeptide of the native conformation, after plasmid with the marker gene transfects the cell, the cell with a tracing function or a screening function can be obtained, rapid marking and activation of a targeted T cell are facilitated, and the marking efficiency of the T cell is improved. The T cells with neoantigen specificity can more effectively recognize and kill cancer cells, and the immunotherapy effect can be improved.
Owner:SHANGHAI SHANSHENG IND CO LTD

A labeling method for high concentration colloidal gold

The present invention discloses a method for labeling high-concentration colloidal gold. Buffer solutions of different pH values ​​are taken to dilute high-concentration colloidal gold solutions respectively to form colloidal gold solutions of different pH values. Proteins to be labeled are added to each colloidal gold solution respectively, and then the optimal labeling pH is determined by a high-salt destruction test. A labeling buffer solution of the optimal labeling pH is taken to dilute the high-concentration colloidal gold solution, and then the solution is divided into several equal parts, and protein solutions to be labeled are added respectively to form a mixed solution of markers with different final protein concentrations, and then the optimal protein labeling amount is determined by a high-salt destruction test. A mixed solution of markers is prepared according to the conditions for determining the optimal labeling and the pH optimal protein labeling amount, and then a blocking reaction is performed to obtain a colloidal gold labeled protein complex. In the labeling process of the present invention, gold particles do not aggregate throughout the entire process, the reaction system has a small volume, 60% of labor is saved, protein materials are saved, and in centrifugal purification, large-scale production can be completed without investing too much large-scale equipment.
Owner:ZHENGZHOU LINGSI BIO-TECH CO LTD

Device for rapidly marking centrifugal tube

The utility model discloses a device for quickly marking centrifuge tubes, which comprises a base, two supporting blocks are arranged above the base, each supporting block is of an arc structure, the two supporting blocks are symmetrically arranged, the lower surfaces of the supporting blocks are provided with supporting columns which are fixedly arranged on the upper surface of the base, the surfaces of the supporting blocks are provided with marking structures, and the marking structures are arranged on the upper surface of the base. The marking structure is provided with a sliding cavity for rapidly marking the centrifugal tube. According to the device for rapidly marking the centrifugal tube, the sliding cavity is formed, the sliding marking block is arranged in the sliding cavity, rapid fluorescence marking can be conducted on the outer surface of the centrifugal tube through movement of the marking block, tedious operation caused by marking through a marking pen is avoided, and convenience and rapidness are achieved.
Owner:SHANGHAI BAOWEI MEDICAL TECH CO LTD

Portable construction safety hazard quick marking device

ActiveCN224407595Ueasy to carryquick tagMarking outScrew thread
The utility model belongs to marking device field, concretely relates to portable construction safety hidden danger fast marking device, including the casing, the inside fixedly connected with the box of casing, the inside of box is connected with the cover through screw thread, the cover is contacted with casing, the inside fixedly connected with the connecting block of casing, the connecting block is contacted with box, the inside of casing is contacted with the marking cotton, the marking cotton is fixedly connected with the connecting block. The utility model discloses through design fixed block, fixed plate, sliding block, screw rod, handle and sliding slot etc. component, removes screw rod from sliding block, then personnel will hand move to fixed plate, removes sliding block, clamping plate and clamping sponge etc. component, and clamping sponge moves and contacts personnel hand, then installs screw rod into sliding block, and then makes clamping sponge etc. component get the limit, and then makes personnel hand get clamping, makes the device convenient to carry.
Owner:CHONGQING LONGCHUAN CONSTR ENG CO LTD

A method and system for crop disease monitoring and damage assessment

The present invention relates to the field of image recognition technology, and in particular to a method for crop disease monitoring and hazard assessment. The method comprises the following steps: obtaining a crop image set; screening the crop image set for growth stage images to obtain a crop growth stage image set; extracting crop growth morphological features from the crop growth stage image set to obtain crop growth morphological feature data; visualizing virtual crop health based on the crop growth morphological feature data to obtain a virtual crop growth health image set; obtaining crop growth environment data; matching the crop image set for abnormal growth of crop stages based on the virtual crop growth health image set to generate abnormal crop growth stage data. The present invention improves the accuracy and effectiveness of disease identification through multi-dimensional information acquisition, phased feature extraction, combination of environmental and internal disease monitoring, hierarchical risk assessment, and dynamic adjustment of prevention and control strategies.
Owner:JILIN SHESHI INFORMATION SERVICE CO LTD

Signal retrieval method based on FPGA (Field Programmable Gate Array)

The invention discloses a signal retrieval method based on an FPGA (Field Programmable Gate Array), which comprises the following steps of: channelizing a signal formed by superposing N pulse signals, carrying out signal detection on multiple paths of parallel frequency domain complex signals output by channelization by virtue of the advantage of parallel processing of the FPGA, and according to a detection result, carrying out signal retrieval on the N pulse signals. Respectively recording a starting channel, a starting frequency, starting time, a terminating channel, a terminating frequency and terminating time of each existing signal by using N registers in a signal retrieval module circuit; if a certain signal disappears, the initial data and the termination data in the corresponding register are read out and emptied, the empty register waits for storage of the initial data and the termination data of the next effective signal, the register write-in operation and the register read-out operation are repeatedly executed, and the signal retrieval function is achieved. According to the signal retrieval module circuit for the multi-path parallel signals, the real-time retrieval of the pulse signals is realized, so that the problem of long time consumption for extracting parameters of the pulse signals is effectively solved.
Owner:CHINA JILIANG UNIV

Test point marking method and device, computer equipment and storage medium

The invention relates to a test point marking method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring a functional coverage tree generated after testing a test point set; a root node in the function coverage rate tree represents a function identification field of a function to which the test point set belongs, and any descendant node of the root node represents a function coverage field corresponding to a test point in the test point set and is associated with a function coverage rate; for at least one part of target test points in the test point set, decomposing test point names of the target test points according to function levels to obtain at least one coverage rate query field; according to the hierarchy sequence of the at least one coverage rate query field in the function hierarchy, performing query in the function coverage rate tree to obtain a coverage rate query result corresponding to the target test point; and correspondingly marking the coverage rate query result and the test point name of the target test point. By adopting the method, the test point marking efficiency can be improved.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Intelligent monitoring and early warning system for airport light station

The utility model relates to the technical field of airport light station detection, in particular to an intelligent monitoring and early warning system for an airport light station, which comprises a main control module, a communication module and a light station monitoring and early warning module. Generating a first current detection signal according to a first current collected from the light station navigation aid lamp; judging whether the working state of the light station is normal or not according to the first current detection signal, and generating an early warning signal; the abnormal lamplight stations are quickly marked according to the working states of the lamplight stations, and early warning is performed, so that the response speed of early warning is increased; and the isolation transformer is arranged in the communication module and is arranged at the physical center of the light detection loop, so that the signal amplitude is improved, the communication is prevented from being interfered, and the early warning speed is further improved.
Owner:CHINA DESIGN & RES INST BEIJING CIVIL AVIATION DESIGN & RES INST LTD

Beauveria bassiana rapid screening device based on DNA bar codes

ActiveCN222593867Uquick distinctionquick tagA-DNAScreens (device)
The utility model discloses a rapid beauveria bassiana screening device with a DNA bar code, which is characterized in that through the arrangement of an observation table, an electron microscope, a display screen and other structures, when samples on a glass slide need to be screened, the samples of the beauveria bassiana with the DNA bar code are placed on the observation table, and the samples on the glass slide are screened by the observation table; the observation table is sequentially rotated to drive the glass slide to move to the right lower end of the electron microscope, a sample on the glass slide is amplified and observed, and observed data are transmitted to the display screen in real time, so that the sample on the glass slide can be conveniently and visually observed and screened, and meanwhile, by means of the self-locking performance of the worm and the worm gear, when the observation table rotates, the sample on the glass slide can be conveniently and visually observed and screened. According to the device, the glass slides can rotate in the single direction only, so that the situation that samples on the glass slides are repeatedly observed is avoided, different samples can be conveniently and rapidly marked through the arrangement of the electric telescopic rod and the marking pen, different glass slides can be visually and rapidly distinguished after detection is finished, and confusion is avoided.
Owner:SHANDONG UNIV OF TRADITIONAL CHINESE MEDICINE

Round ash scattering device

The utility model relates to the technical field of building construction, in particular to a circular ash scattering device. Comprising an ash containing bin, an ash outlet pipe and a forming module, and the ash outlet pipe communicates with the ash containing bin; the forming module comprises a supporting frame, a rotating ring, a fixed cylinder, a sliding shaft and a limiting unit, the rotating ring is rotationally connected with the supporting frame and located on the outer side wall of the supporting frame, the fixed cylinder is fixedly connected with the rotating ring and located below the rotating ring, one end of the sliding shaft is slidably connected with the fixed cylinder, and the ash containing bin is fixedly connected with the other end of the sliding shaft; the fixed cylinder is provided with a plurality of clamping grooves, the sliding shaft is provided with a placing groove, the limiting unit is arranged in the placing groove, and the limiting unit is matched with each clamping groove; by means of the structure, the positioning circle for rapidly marking the pipe pile is obtained, and the construction efficiency is improved.
Owner:THE THIRD ENG CO LTD OF THE HIGHWAY ENG BUREAU OF CCCC +1

Automatic henhouse intelligent feeding equipment and method thereof

The invention discloses automatic henhouse intelligent feeding equipment and a method thereof, and belongs to the technical field of breeding feeding equipment.The automatic henhouse intelligent feeding equipment comprises a laying hen cage, three troughs are fixedly installed on the front side of the laying hen cage, and a moving device moving left and right on the upper side of the laying hen cage is installed on the upper side of the laying hen cage; a shear type lifting machine used for lifting is installed on the upper side of the moving device, a supporting plate is fixedly installed on the upper side of the output end of the shear type lifting machine, a main material frame is fixedly installed on the upper side of the supporting plate, a material conveying device is installed in the main material frame, and a sealing cover is hinged to the upper right side of the main material frame through a hinge. A feed recycling device is installed on the upper left side of the main material frame, and a stirring device is installed on the front side of the feed conveying device. By means of the mode, feed and medicine can be mixed and conveyed in real time, the uniformity of the medicine in the chicken feed is improved, the chicken feed which is not eaten up in the feeding trough can be recycled, and laying hen cages of laying hens with health problems can be rapidly marked.
Owner:SICHUAN ANIMAL SCI ACAD

Photosensitive mass spectrum probe as well as preparation method and application thereof in mass spectrum detection

The invention discloses a photosensitive mass spectrum probe as well as a preparation method and application thereof in mass spectrum detection, and belongs to the technical field of organic chemistry and analytical chemistry. According to the invention, a thioxanthone oxime benzenesulfonate structure is used as a basis and is bonded with an active reaction group to construct a high-efficiency photosensitive mass spectrum probe, so that rapid labeling of an analyte and online high-efficiency photolysis of a labeled product can be realized, and the labeled product with a sulfonic acid group is released. The invention also provides a preparation method of the photosensitive mass spectrum probe, the photosensitive mass spectrum probe with a target structure is synthesized in a simple and feasible manner, and the preparation method has good guidance and feasibility. When the photosensitive mass spectrum probe is applied to metabolite labeling and mass spectrum detection, the detection sensitivity is improved, the ion inhibition effect caused by excessive labeling reagents is reduced, high-flux and high-sensitivity detection analysis of low-ionization-efficiency analytes is realized, and the probe has a wide prospect.
Owner:WUHAN TEXTILE UNIV

Drawing mold for electric energy meter wiring analysis

The utility model relates to the technical field of the electric power industry, and particularly discloses a drawing die for electric energy meter wiring analysis. The rotating shaft is rotationally connected to the outer part of the first ruler; the second ruler is arranged outside the rotating shaft in a sleeving manner; the circle instrument mechanism is arranged outside the first straight ruler, and the circle instrument mechanism comprises a measuring ruler plate, a scale marking line and an angle marking line; by means of the rotating shaft, the measuring ruler plate and the scale marking lines, when the drawing tool is carried, the second straight ruler can be folded and stored in the first straight ruler through movable rotation of the second straight ruler on the rotating shaft, and the second straight ruler can be folded and stored in the first straight ruler through rotation of the pointer on the angle marking lines. According to the measuring ruler plate, the angle can be quickly marked during measurement, so that the measuring ruler plate is more convenient to measure the angle, a worker can conveniently draw a correct phasor diagram, and the use of drawing tools is reduced.
Owner:刘海燕

Hydrolyzable fluorescent dye compound as well as preparation method and application thereof

The invention relates to a hydrolysable tyramine fluorescent dye compound, the compound is composed of a tyramine derivative group, an azide derivative group and a fluorescent dye, the structural formula of the hydrolysable tyramine fluorescent dye compound is as shown in the structural formula IV: # imgabs0 #, R1 and R2 are independently selected from any one or a combination of H, F, Cl, Br,-CH3 and-CH2CH3; n is equal to 1-5, m is equal to 1-6, and preferably, m is equal to 1-3; the fluorescent dye R is a fluorescein compound or a cyanine compound. According to the method, the fluorescent dye is dissociated and eluted through a mild chemical reaction after being covalently labeled with the antigen, the technical problem that traditional multi-target dyeing cannot meet the dyeing requirements of more than eight markers of customers is solved, and dyeing labeling of multiple targets on the same tissue section is conveniently achieved. Compared with the existing tyramine dye based on a tyramine signal amplification technology, the hydrolysable tyramine dye disclosed by the invention has the advantages that free radicals generated after the hydrolysable tyramine dye is oxidized are more active, the marking is faster, the sensitivity is higher, and meanwhile, the signal amplification effect is stronger.
Owner:ALPHA X (BEIJING) BIOTECH CO LTD

Electric leakage detection equipment for installation of electromechanical engineering equipment

The invention discloses electric leakage detection equipment for installation of electromechanical engineering equipment, and relates to the technical field of electromechanical engineering.The electric leakage detection equipment comprises a shell, an electricity testing pen piece and a marking pen piece, a partition plate is fixedly installed in the shell, and the shell is divided into a first cavity and a second cavity by the partition plate; the test pen member is slidably arranged in the first cavity through the first mounting seat. According to the electric leakage detection equipment for installation of the electromechanical engineering equipment, provided by the invention, the transmission assembly is utilized, so that the marking pen piece on the second installation seat can be driven to move in the direction opposite to the sliding direction of the electricity testing pen piece while the electricity testing pen piece on the first installation seat is stored; therefore, the marking pen piece can slide out of the shell, the effect of conveniently and rapidly marking the electric leakage position of the electromechanical engineering equipment is achieved, and the detection efficiency and the accuracy of the marked position are improved.
Owner:深圳市和鸿达机电安装有限公司

Underground pipeline surveying and mapping device based on municipal engineering

The utility model provides an underground pipeline surveying and mapping device based on municipal engineering, which relates to the technical field of pipeline surveying and mapping devices, solves the problem that the existing surveying and mapping equipment is high in operation difficulty, and comprises a mounting plate, a brushless motor is mounted on the surface of the mounting plate, and fan blades are mounted on the surface of the brushless motor. Four driving motors are mounted on the surface of the mounting plate, wheels are mounted on the surfaces of the driving motors, a connecting plate is mounted on the surface of the mounting plate, a controller is mounted on the surface of the connecting plate, a surveying and mapping radar is mounted on the surface of the controller, and a marking mechanism is mounted on the surface of the mounting plate. The device can effectively map the interior of the pipeline, and meanwhile, compared with an unmanned aerial vehicle, the device is low in operation difficulty, and the practicability is improved.
Owner:ZHONGDIAN ENERGY (ANHUI) SURVEY INSTITUTE CO LTD