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35results about How to "Simplified method" patented technology

Plants root box culturing device used for rhizosphere soil sampling

The invention discloses a kind of plant root box culture equipment used in rhizosphere oil sample which includes a removable block body and in the block body grip lays two pieces of root room separation mesh piece so it slips the block body into one medial cell and two side cells; at the bottom of block body sets up a guide water board with a hole on it and the locelle irrigation bottom cut locates under the guide water board and at one end of the guide water line locates in the locelle irrigation bottom cut and the other end locates in the cavity of block body through the guide water hole; the side cell sets up a inner lining board slipping in the side cell and the plug board may lay between the inner lining board and the block body and the inner lining board parallels with the center line of the plug board. Adopt the invention's equipment can sampling the different distance oil convenience and accurately.
Owner:ZHEJIANG UNIV

Minisize diffusion pump and preparation method thereof

The invention discloses a micro disperse pump which comprises a pump chamber, a one-way valve, a pump inlet, a pump outlet and a driving device inside the pump chamber; wherein, the one-way valve is between the pump chamber and the pump inlet, and between the pump chamber and the pump outlet; the one-way valve is a wedge disperse tube with different positive and passive fluxes; the fluid of pump chamber can be expanded and contracted to generate pressure difference, and according to the different pressures of positive and passive fluxes in the wedge disperse tube, to generate one-way continuous fluid transmission. The inventive micro disperse pump can drive fluid via adsorbing fluid or directly drive fluid. The production is based on silicon micro-mechanical processing technique and micro-mould technique, with simple process, lower cost, high reliability and the application for integrating other micro-fluid systems. It has wider application in the micro-fluid control analysis chip.
Owner:PEKING UNIV

Plant rhizosphere box and application thereof in micro-domain research of wet land plant rhizosphere

The invention discloses a plant rhizosphere box and the application thereof in the micro-domain research of wet land plant rhizosphere. The plant rhizosphere box comprises a box body, the inside space of the box body is partitioned into a root zone, a near root zone, a far root zone and a non-root zone and other different rhizosphere micro-domain partition zones by a number of rhizosphere partition plugging plates, water distribution units are arranged on the upper part of the box body, and water level regulating units are also arranged on the box body; and a water discharging device is arranged on the bottom of the box body. Through the adjustment of the intervals between the different rhizosphere micro-domain partition zones, the accurate observation and the research of the differentiation changes of different distances from the root system, and / or root zone soil, and / or interval water nutrients, pollutant, and / or microorganism are achieved. Based on the plant rhizosphere box, water flooded habitat of plants grown in wet land can truly be simulated, so that water flow conditions in the substrate can be maintained, and different water pressure retention time and water levels are arranged according to the needs, and the plant rhizosphere box has wide application prospect in plants, especially in the micro-domain research of wet land plant rhizosphere.
Owner:JINAN UNIVERSITY

Quantum communication device and method including at least three parties

The invention provides a quantum communication device and method including at least three parties. At least three parties comprise at least two users and at least one relay point. The device comprisesa controller for determining the proportion of signal-state light intensity of to-be-sent signals of at least two users and at least one inductive-state light intensity and the intensity parameters of the signal-state light intensity and the inductive-state light intensity; and a modulator connected with the controller and used for modulating the to-be-sent signal according to the proportion andthe intensity parameters, and sending the adjusted to-be-sent signal to at least one relay point. The quantum communication device provided by the invention is suitable for an asymmetric channel and asymmetric channel, when different users transmit the information by using the asymmetric channel, an operation of adding the loss as the channel at one side is unnecessary, and the channel loss can be compensated by only regulating the proportion of the light intensity and the intensity parameters, thereby accomplishing the communication process.
Owner:UNIV OF SCI & TECH OF CHINA

Intelligent parking management method and system

The invention discloses an intelligent parking management method and system. The method includes the following steps that: after obtaining unique identification codes, vehicles enter a vehicle cache region; a vehicle scanning system performs vehicle scanning on the vehicles and uploads vehicle information to a main system; the main system determines vacant parking spaces suitable for the vehicles according to the received vehicle information; the main system issues scheduling information, so that the vehicles in the vehicle cache region can be conveyed to reserved parking spaces through an autonomous control omnidirectional conveying platform; after receiving vehicle picking information, the main system performs payment confirmation; the main system issues scheduling information, so that the vehicles in the parking spaces can be conveyed to the vehicle cache region through the autonomous control omnidirectional conveying platform; and the vehicles leave the vehicle cache region. According to the parking management system, optical or video scanning / recognition are performed on vehicles in different models; the vehicles can be parked in parking spaces through the autonomous control omnidirectional conveying platform; and therefore, a lot of manpower resources can be saved, and work efficiency can be improved, and parking methods and modes can be simplified, and the application of the wholly-designed intelligent automatic parking space system can be more advanced and stable.
Owner:深圳市前海泰盛智港科技有限公司

Comprehensive plant root bag culture apparatus capable of separating and collecting rhizosphere soil

InactiveCN103749205AHelps to moistenResolving Topsoil CrustsCultivating equipmentsHorticulture methodsWater storagePlant roots
The invention discloses a comprehensive plant root bag culture apparatus capable of separating and collecting rhizosphere soil. The comprehensive plant root bag culture apparatus capable of separating and collecting the rhizosphere soil is characterized by comprising a barrel, a net frame is arranged at the bottom of the barrel, a filtering net separating the barrel into an upper soil area and a lower water storage area is disposed on the net frame, a root bag net barrel is arranged on the middle portion of the soil area and separates the soil area into a center chamber and an annular side chamber, a meshed round insert piece or at least two closely attached meshed round insert pieces are closely arranged on the outer side of the net barrel, a water outlet is formed in the barrel in the water storage area, a positioning groove is formed by extending from the water outlet to the sidewall of the above barrel, a transparent water hose with marked scale lines is arranged in the positioning groove, and the lower end port of the water hose is communicated with the water outlet of the barrel. By the aid of the comprehensive plant root bag culture apparatus, separation and collection for soil in different millimeter levels can be realized conveniently and accurately.
Owner:SOUTH CHINA UNIV OF TECH

Method for decoding tail biting convolution codes of PBCH (physical broadcast channel) decoding in LTE (long term evolution)

The invention discloses a method for decoding tail biting convolution codes of PBCH (physical broadcast channel) decoding in LTE (long term evolution). A tail biting convolution decoder starts computing path metric from the starting position of a CRC (cyclic redundancy check) field, and a start state for computation of the path metric is zero constantly, and the computation of the path metric is separated into two situations: when SFN (system frame number) in an MIB (master information block) is unknown, computation of the path metric is ended at the sixth bit of a Spare bit field, a starting state of tracing back is zero, thirty-six decoding results are generated by the tail biting convolution decoder, and a PBCH decoding result finally with forty bits is formed by adding four '0' at the tail end of the thirty-six decoding results; when the SFN in the MIB is given, computation of the path metric is ended at the sixth bit of an SFN bit field, a starting state of tracing back is determined by the first six bits in the SFN field, twenty-eight decoding results are generated by the tail biting convolution decoder, and the PBCH decoding result finally with forty bits is formed by adding the last two bits of the SFN and ten '0' at the tail end of the twenty-eight decoding results.
Owner:MEDIATEK INC

Relay protection method for power supply circuit based on communication network

The invention discloses a relay protection method for a power supply circuit based on a communication network. The method comprises the following steps of: partitioning power supply sections from the power supply outlet end to the tail end of the power supply circuit, wherein a power supply section is formed between two circuit breakers on the power supply circuit, and a section controlled by a circuit breaker positioned at the tail end of the power supply circuit serves as a primary power supply section; realizing communication junction of the communication interface of a relay protection device of the circuit breaker in each partitioned power supply section through a wireless network; making each relay protection device transmit a detected fault signal with an identification code to the relay protection device in each power supply section close to the power supply outlet end respectively through a network; and making the relay protection device which receives the fault signal determine the position of the relay protection device which transmits the fault signal according to the identification code of the fault signal respectively and determine a failed power supply section according to the position of the relay protection device which is furthest away from the power supply outlet end. By adopting the method, the relay protection control and protection setting of the power supply circuit are simplified.
Owner:北京广大泰祥自动化技术有限公司

Linearization device and linearization method in broad-band communication system

ActiveCN101547178AEliminate memory nonlinear distortionImproved speed of distortion removalMulti-frequency code systemsSynchronous/start-stop systemsTime domainAdaptive filter
The invention discloses a linearization device with a memory nonlinear amplifier and a linearization method in a broad-band communication system. The linearization procedure is as follows: using a frequency domain dresser, a time domain dresser and a self-adaptive filter to respectively carry out frequency domain dressing, time domain dressing and filtering processing for transmitting signals and amplifying the dressed signals: attenuating the amplified signals to the electrical level before amplification and feeding back the signals and using feedback signals and input signals to respectively update filter tap coefficient, a time domain checking table and a frequency domain checking table; repeating the above steps to continually update the frequency domain checking table, the time domain checking table and the filter tap coefficient and then carrying out frequency domain dressing, time domain dressing and filtering processing for generated transmission signals by utilizing the updating value of the filter tap coefiicient, the dressing value of the time domain dresser and the dressing value of the frequency domain signal dresser; repeating the operation again and again till realizing the linearization function of an amplifier in a broad-band OFDM system. The invention has the advantages of high convergence speed, high convergence precision and high degree of linearization.
Owner:XIAN CETC XIDIAN UNIV RADAR TECH COLLABORATIVE INNOVATION INST CO LTD

Automatic PCB FCT testing machine and testing method thereof

The invention discloses an automatic PCB FCT testing machine comprising a rack. The rack includes a testing bench and a mechanical mechanism. The mechanical mechanism is provided with a console and an operation cavity, wherein the console and the operation cavity are arranged above the testing bench. The operation cavity is provided with a left testing tool and a right testing tool. The testing tools include upper die press-down mechanisms, lower die sliding table mechanisms, and cylinder mechanisms. The upper die press-down mechanisms that are connected with the upper end of the rack and are provided with tool upper dies are used for pressing a to-be-tested PCB to be in contact with the tool upper dies and to be connected with the internal testing circuit of the testing machine electrically. The lower die sliding table mechanisms that are arranged above the testing bench and can slide internally and externally include tool lower dies and are used for pressing the to-be-tested PCB to be in contact with the tool lower dies and to be engaged with the tool upper dies. The cylinder mechanisms that are connected with the upper die press-down mechanisms and the lower die sliding table mechanisms are used for realizing lifting of the upper die press-down mechanisms and external and internal sliding of the lower die sliding table mechanisms. Therefore, the testing efficiency and precision of the PCB can be improved; the procedures and method can be simplified; and the operation cost can be substantially reduced.
Owner:肇庆三雄极光照明有限公司

Rapid and ultrahigh-sensitivity DNA fusion gene detection method

According to the DNA fusion gene detection method provided by the invention, on the premise that high-sensitivity detection is not influenced, the operation time is short, high detection specificity is achieved, and meanwhile, fusion gene breakpoints, frequencies and splicing information in DNA sequencing data can be accurately represented.
Owner:NANJING SIMCERE MEDICAL LAB CO LTD +3

Method for treatment of wool washing waste water

The invention provides a wool wastewater treatment method. The method comprises: 1) settling, 2) ultrafiltering to obtain the through liquid and condensed liquid, 3) treating the through liquid by reverse osmosis, treating the condensed liquid by recovery of lanolin, and 4) recycling the through liquid and condensed liquid from reverse osmosis respectively. The invention simplifies the wastewater treatment process and ways to avoid the problems of conventional approaches like longer process, not obvious effects, and secondary pollution caused by various chemicals and additives. The remarkable is that the water after every level of treatment process can be reused, which is conducive to recovery of lanolin and make full use of the treated water in the wool washing process, therefore achieving water recycling.
Owner:HANGZHOU WATER TREATMENT TECH DEV CENT +2

Projection objective wave aberration on-line detection device and method based on double-beam interference

The invention discloses a projection objective wave aberration on-line detection device and a projection objective wave aberration on-line detection method based on double-beam interference, wherein the device comprises a light source (LA), a projection objective (PO), a reference mark (RP), a detector (DE) and a mask plate (MA). The MA is used for converting laser which is emitted by the LA into two coherent light beams; the two coherent light beams penetrate through the PO and then are interfered on a focal plane of the PO, so as to generate interference fringes; the interference fringes penetrate through the RP, are radiated on the DE, and are converted into electric signals; and the position deviation of the interference fringes is obtained according to the intensity of the electric signals, and the wave aberration of the PO can be worked out according to the deviation. According to the projection objective wave aberration on-line detection device and the projection objective wave aberration on-line detection method based on double-beam interference, thirty-seven Zernike coefficients can be measured, so that a testing process and a wave aberration calculation method are simplified, and the measuring precision is improved.
Owner:INST OF MICROELECTRONICS CHINESE ACAD OF SCI

Machine tool embedded parameter backup device

ActiveCN101738980ALow costSimplify the backup processNumerical controlNumerical controlCommunication interface
The invention discloses a machine tool embedded parameter backup device. The device comprises a backup unit and an embedded control unit, wherein the backup unit is connected with a numerical control machine through a communication interface; and the embedded control unit is connected with the backup unit and the numerical control machine respectively, and controls the backup unit to backup or restore information of the numerical control machine. The independent embedded control unit is arranged and matched with a machine tool transmission interface through a diversified communication interface, so the device realize the backup of machine tool parameters and system files, enhances the redundancy of a system, intensifies the stability and improves the maintenance efficiency of the system.
Owner:CAXA TECH

Concave arc radius detection and arc degree determination apparatus and method

The invention discloses a concave arc radius detection and an arc degree determination apparatus and method, and the apparatus comprises a detection bench; a linear guide rail is arranged on the surface of the detection bench; a slide block is arranged on the linear guide rail; a measuring probe is arranged on the slide block; and 4 range finding sensors are arranged on the measuring probe. The 4 range finding sensors are vertical to each other and are arranged at the same plane; the slide block is connected with a turntable of a motor through a ball screw rod; an angle sensor is arranged on a rotating shaft of the motor; the range finding sensors, the motor and the angle sensor are connected to a data processor; and the data processor is connected to a controller. By introducing the step of geometric calculating, the method of concave arc radius detection and arc degree determining in prior art is substantially simplified; the over-complex device is simplified; the cost is reduced; the product surface won't be damaged thanks to non-contact measuring; advantages like wide application scope, easy operation, high security, high detection precision and high efficiency are provided; and the method is very suitable for on-line detection.
Owner:LISHUI VOCATIONAL & TECHN COLLEGE

Soilless culture method for achieving camellia industrialization

InactiveCN107258510ASimplify the fertilization processSimplified methodCalcareous fertilisersMagnesium fertilisersPeatPotassium
The invention relates to the technical field of agricultural plant planting, in particular to a soilless culture method for achieving camellia industrialization. The soilless culture method comprises the following steps that 1, seedling roots are processed; 2, a matrix is made; 3, field planting baskets provided with through holes formed in the side wall and bottom are taken, and the bottoms of the field planting baskets are put on the matrix with the thickness of 4 cm; 4, the field planting baskets obtained in the step 3 are put in a container, a nutrient solution is added into the container, and then conventional management is conducted on camellia seedlings. The soilless culture method has the advantages that in the soilless culture method for achieving camellia industrialization, mushroom residues and peat raw materials are natural materials, most nutrients are provided for camellia, then the nutrient solution supplements enough nitrogen, phosphorus, potassium and other trace elements, very accurate concentration is not needed, a fertilization and watering method is simplified, and comprehensive and full nutrients are provided for camellia growth.
Owner:FUJIAN DINGSEN SCI & TECH DEV CO LTD

Semiconductor structure and forming method thereof

The invention discloses a semiconductor structure and a forming method thereof. The method comprises the following steps: forming a first device structure and a second device structure in a device region, and forming a mark structure in the mark region, wherein the mark region has a first rotating center, the mark region comprises a plurality of mark parts, each marking part comprises a first branch part and a second branch part, and the first branch parts are used for marking a first device, and the second branch parts are used for marking a second device structure; and forming a first graphical layer on the device region, and forming a test mark on the mark region. The forming method can improve the performance of the formed semiconductor structure.
Owner:SEMICON MFG INT (SHANGHAI) CORP +1

AT24xx EEPROM driving method and device

The invention provides an AT24xx EEPROM driving method, which comprises the following steps of: instantiating an I2C driving core structure body, and registering the structure body into an I2C core; Encapsulating a local private structure body, calling a device enumeration function defined in a core structure body to initialize and store the local private structure body so as to prepare related software and hardware resources; And registering an upper layer-oriented operation function set through a device enumeration function, and calling a read-write function through the upper layer-orientedoperation function set to carry out read-write operation on the I2C interface of the AT24xx EEPROM. According to the method, universal driving for the AT24xx series EEPROM is realized, and meanwhile,multiple matching modes are supported, so that the EEPROM has better adaptability.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

System and method of tracking managing tasks via data label in OTO service

The invention relates to a system and method of tracking managing tasks via a data label in an OTO service and belongs to the technical field of computers. A data label server receives start of a first application via a first start program, and release a first application data label comprising a first task realizing first service of the first application; a first behavior data label is released when a first participant operates a first user terminal to scan the first application data label, a first dynamic data label is released to track the first task in a first behavior; and the first task in the first behavior is entirely recorded. The system and method are simplified and easy to use; more importantly, the system and method of tracking managing tasks via the data label can be applied to large-scale commercial applications; and the system and method has great user experience and requires low application cost.
Owner:曲立东

Sensing and driving integrated rigid-flexible coupling finger and flexible robot dexterous hand

ActiveCN113910279ACompact structureMake up for the shortcomings of large mass and volume, complex structure and difficult controlJointsGripping headsLittle fingerFinger joint
The invention provides a sensing and driving integrated rigid-flexible coupling finger and a flexible robot dexterous hand. The rigid-flexible coupling finger comprises a metacarpal bone segment, a near segment, a middle segment, a far segment, a torsion spring, a sensing and driving steel sheet, a linear motor, a pressure sensor and a flexible segment gasket. The sensing and driving steel sheet is provided with a sawtooth-shaped structure, and a resistance strain gauge is arranged on the surface of the sensing and driving steel sheet and used for detecting the bending angle of a finger joint; the flexible robot dexterous hand comprises an index finger, a middle finger, a ring finger, a little finger, a thumb, a flexible palm gasket, a direct current motor, a control module and a power module; the index finger, the middle finger, the ring finger and the little finger have the same structure as the rigid-flexible coupling finger and are connected with the flexible palm gasket; and a thumb metacarpal bone segment is connected with an index finger metacarpal bone segment through a revolute pair. The sensing and driving integrated rigid-flexible coupling finger and the flexible robot dexterous hand have the advantages of being simple and compact in structure, flexible, self-adaptive and easy to control.
Owner:SOUTHEAST UNIV

Driving device for reciprocating motion around shaft

The invention discloses a driving device for reciprocating motion around a shaft. The driving device comprises a driving motor for outputting a torque period and with adjustable curve, wherein the driving motor is used for outputting periodic torque driving load; one or more parameter adjustable energy storages for absorbing the energy in the load deceleration and outputting the energy in the load acceleration; a load base with adjustable reciprocating motion period, adjustable reciprocating motion zero position and adjustable reciprocating motion angle amplitude. The driving device disclosed by the invention is used for driving the load to perform the reciprocating motion around the shaft, a rotating shaft is directly driven by using a moment motor, a mechanical transmission device is cancelled, and the energy storage is provided; the driving device disclosed by the invention has the advantages of being adjustable in motion parameter, simple in transmission mechanism, convenient in analysis and computation method, low in energy consumption, high in reliability, low in noise and low in cost.
Owner:南京智真电子科技股份有限公司

Method for determining heavy metal emission management and control value based on critical load

The invention discloses a method for determining a heavy metal emission management and control value based on a critical load. The method is based on a biogeochemical process of heavy metals, and studies the trending processes of the biogeochemical process under different land utilization modes. The method comprises the steps of: firstly, optimizing a traditional critical load model according to aplant absorption type and water environment migration and transformation model; secondly, determining a critical load value based on three environmental effects of current situation balance, a waterenvironment effect and a health risk; thirdly, carrying out critical load drawing and supercritical load drawing; and finally, determining a final heavy metal emission management and control value according to a probability distribution method. Through ingenious design, a spatial refined heavy metal critical load model is further constructed, the degrees and ranges of heavy metal supercritical loads under different environmental effects are recognized, heavy metal emission control values under different land utilization modes and different management targets are determined, and the method canbe applied to pollution source control management.
Owner:ZHEJIANG UNIV OF FINANCE & ECONOMICS

Curved surface display device preparation method and curved surface display device preparation device

The invention provides a curved surface display device preparation method and a curved surface display device preparation device, which are used for attaching a curved surface display module and a composite adhesive tape. The curved surface display module comprises a plane part and a curved surface part, the composite adhesive tape comprises a plane area and a to-be-bent area, the plane area is matched with the plane part, the to-be-bent area is matched with the curved surface part, the composite adhesive tape comprises a body and a release film, and the release film comprises a middle part and an edge part. The preparation method comprises the following steps: tearing off the middle part of the release film; attaching the composite adhesive tape with the middle portion torn off to the curved surface display module, wherein the body corresponding to the middle portion at least partially covers the plane portion; tearing off the edge part of the release film; and attaching the composite adhesive tape with the edge portion torn off to the curved surface portion of the curved surface display module so that the composite adhesive tape and the curved surface display module are completely attached. In the laminating process, the composite adhesive tape does not need to be adjusted in real time, and the edge of the composite adhesive tape cannot be bonded with the curved surface part in advance, so that poor laminating is avoided while the laminating efficiency is improved.
Owner:YUNGU GUAN TECH CO LTD

Payment method and payment service system across multiple cashier systems

The embodiment of the invention provides a payment method and a payment service system across multiple cashier systems. The method comprises the steps of receiving order information sent by a cashiersystem, wherein the order information comprises a cashier system identifier, commodity information, a to-be-paid amount and user payment information; obtaining an actual payment amount according to the cashier system identifier, the commodity information, the to-be-paid amount, the user payment information and a preset payment rule; obtaining a payment amount according to the actual payment amount; and executing a deduction operation from a user account corresponding to the user payment information. According to the embodiment of the invention, through receiving the order information sent by each cashier system, according to the cashier system identifier, the commodity information, the amount of money to be paid and the user payment information in the order information, the payment information is matched with a preset payment rule to obtain an actual payment amount, and the actual payment amount is deducted from a user account corresponding to the user payment information, thereby greatly simplifying a preferential payment method and process when the payment service system faces a plurality of cashier systems.
Owner:北京莱利时空科技有限公司

Authorization validity verification method and system, electronic equipment and storage medium

The invention provides an authorization validity verification method and system, electronic equipment and a storage medium, and can solve the problems of complicated steps and low processing efficiency when a resource provider performs validity verification on resource authorization allocation. The authorization validity verification method comprises the steps of receiving resource calling requestinformation of a resource application end, performing identity verification on the resource application end according to the resource calling request information, and obtaining an identity verification return state; in a checking stage before resource allocation, checking the resource application end according to the identity verification return state in combination with the resource call requestinformation; and in a verification stage after resource allocation, verifying a resource allocation result according to the identity verification return state in combination with the resource call request information.
Owner:东方微银科技股份有限公司

EVTOL airplane vertical take-off and landing field automatic operation simulation method

The invention belongs to the technical field of aircraft operation analog simulation, and particularly relates to an eVTOL aircraft vertical take-off and landing field automatic operation analog simulation method, which comprises the following steps of: 1, selecting a current city through a city option on a VTP console, and selecting a current vertical take-off and landing field through a VTP list option, and 2, adding a flight plan through a departure time option and a destination airport option on the VTP console, 3, the flight control module controls the eVTOL aircraft to fly between the vertical take-off and landing fields according to the flight route and the flight instruction; 4, the VTP management module calculates the use condition of the current vertical take-off and landing field scene in real time, eVTOL aircrafts are arranged to enter the aircraft arrival queue and the aircraft take-off queue in sequence, and automatic operation of the vertical take-off and landing field is achieved. The operation process and the operation method of the vertical take-off and landing field are designed, automatic operation of eVTOL aircrafts between the vertical take-off and landing fields is simulated, and high-efficiency, high-flexibility and low-cost operation of a large number of eVTOL aircrafts between different vertical take-off and landing fields can be achieved.
Owner:安胜(天津)飞行模拟系统有限公司

Improved myocardial infarction re-perfusion model, producing and using method thereof

InactiveCN101243994ALess pain from injuryReduce the chance of deathDiagnosticsSurgeryAnterior Descending Coronary ArteryInjury mouth
The invention relates to an improved reperfusion mode for myocardial infarction of a rabbit and a preparation method, which is characterized in that, putting a silk thread with a diameter not less than the left anterior descending coronary artery (LAD) on the advancing edge of LAD parallelly, ligating the silk thread and LAD together, the ligature divides the silk thread into a long piece and a short piece, the short piece is about 5mm, the long piece is about 160mm in the direction of cardiac apex, checking the silk thread to be not loose, to prepare the mode for myocardial infarction to success; layer-by-layer suture, making the long piece of the silk thread pass through pericardium, sternum and muscle, buried subcutaneously, or putting the outer end of the silk thread on the outside of the skin wound; in the time of reperfusion, opening the skin incision, finding and pulling out the outer end of the silk thread, or directly pulling out the silk thread, to prepare the reperfusion mode for myocardial infarction. The invention can replace the preparation process of the reperfusion mode for myocardial infarction which is completed by two complex operations; the operation is easier, a complex operation combined with a silk thread extraction can complete the preparation of the reperfusion mode for myocardial infarction; the invention decreases the damage of animals, and reduces the cost of the mode preparation.
Owner:TONGJI UNIV

Simplified measuring device and method for half-wave voltage of optical phase modulator

The invention discloses a simplified measuring device and method for the half-wave voltage of an optical phase modulator. The device comprises a semiconductor laser LD, an optical fiber polarization controller PC, a to-be-tested optical phase modulator PM, an optical amplitude modulator AM, and an optical power meter P. An output optical fiber of the semiconductor laser LD is connected with an input optical fiber of the optical fiber polarization controller PC. An output optical fiber of the optical fiber polarization controller PC is connected with an input polarization maintaining optical fiber of the optical phase modulator PM, an output optical fiber of the optical phase modulator PM is connected with an input polarization maintaining optical fiber of the optical amplitude modulator AM, an output optical fiber of the optical amplitude modulator AM is connected with a probe of the optical power meter P, and a radio frequency input port of the optical phase modulator PM is connected with a radio frequency signal line. Compared with a traditional half-wave voltage testing method, the method can achieve rapid measurement and meet the repetition frequency requirement of practical application, and is simple and convenient to use.
Owner:NO 34 RES INST OF CHINA ELECTRONICS TECH GRP

A system and method for quantitatively evaluate performance

The invention relates to a performance quantitative evaluation system, comprising: a fast quantitative setting module, which is used for a user to select or set a quantitative scheme; An execution quantization module is use for reading that quantitative object relation and the data of the quantitative object from the database accord to the quantization scheme set in the quick quantization settingmodule, and executing the quantization result; An assessment system module, which is used for inputting and setting quantitative objects for reading by a quick quantitative setting module, and is usedfor carrying out qualitative evaluation, scoring calculation, result calculation and result display; A database for inputting and storing data of a quantization object for performing a quantization module reading, for storing a quantization object relationship set by the quick quantization setting module and for reading by the quick quantization setting module. The invention has the advantages that the system and the method simplify the method and the process of the employee performance evaluation, especially the performance quantitative evaluation, and reduce the performance implementation cost and the implementation difficulty.
Owner:YONYOU NETWORK TECH

EPS torque sensor zero torque deviation self-learning and correcting method and system and vehicle

The invention discloses an EPS torque sensor zero torque deviation self-learning and correcting method and system and a vehicle. The EPS torque sensor zero torque deviation self-learning and correcting system comprises an electric power steering system, a steering wheel angle sensor and a braking electric control unit. The electric power steering system comprises a torque sensor and a torque zero position self-learning module which are used for judging the achievement condition of a self-learning condition, correcting a torque zero position and outputting a torque signal; the steering wheel angle sensor outputs a steering wheel angle effective signal, a steering wheel angle position signal and a steering wheel rotating speed signal, and the torque zero position self-learning module judges the position state and the rotating state of a steering wheel according to the signals output by the steering wheel angle sensor; the torque sensor is used for outputting a steering wheel steering torque signal; the braking electronic control unit outputs a vehicle speed effective signal and a vehicle speed signal, and the torque zero position self-learning module judges the vehicle running state according to the signal output by the torque zero position self-learning module. According to the invention, the zero torque deviation self-learning and correction of the torque sensor are realized.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
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