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212 results about "Conducting system" patented technology

The conducting system of the heart consists of cardiac muscle cells and conducting fibers (not nervous tissue) that are specialized for initiating impulses and conducting them rapidly through the heart (see the image below). They initiate the normal cardiac cycle and coordinate the contractions of cardiac chambers.

Rate control during AF using cellular intervention to modulate AV node

A biologic intervention method and apparatus generates a persistent modification to an AV node that is physiologically stable after the agent has matured but is alterable with subsequent application of an agent. Specifically, the generic agent is used to modulate a node in a cardiac conduction system including rate control using one and a combination of a family of K+ channel or equivalent. Specifically, the channel is implemented to slow conduction by generating an outward current during optimization of action potential and repolarization phase thus decreasing the current that is available to excite downstream cells. A Kv 1.3 channel, for example, may be used as the biologic channel. The invention enables reversal of the modulation or adjustment for various heart rates (BPM) based on medical and patient-specific needs.
Owner:MEDTRONIC INC

Check valve

A poppet-style check valve for allowing uni-directional flow in a fluid conducting system. The check valve comprises a valve body, and a poppet mounted therein for reciprocal axial movement between a first position in which the poppet is pressed against a valve seat restricting flow through the check valve, and a second position in which the poppet is spaced from the valve seat permitting flow through the check valve. An inner bore of the valve body is expanded in the area of the poppet to maximize flow through the check valve, and the external dimensions of the check valve are minimized by eliminating a conventional liner between the poppet and the valve body. Additionally, the elements of the valve mechanism are designed such that they lock in place within the valve body during assembly.
Owner:CAMBRIDGE BRASS

Method for building city gas pipe network vulnerability evaluation model

InactiveCN103413015AImprove the level of management technologyExtended service lifeSpecial data processing applicationsMathematical modelEngineering
The invention discloses a method for building a city gas pipe network vulnerability evaluation model. The method comprises the following steps that an evaluation model is built through fuzzy hierarchy comprehensive evaluation; a vulnerability evaluation index weight is determined; a city gas pipe network system fuzzy comprehensive evaluation basic model is built. As the system vulnerability evaluation and traditional risk evaluation are similar and both need to build evaluation index systems according to evaluation purposes, a proper evaluation method is selected to build an evaluation mathematical model, the model is utilized to conduct system vulnerability calculation and vulnerability grading, the quantitative and qualitative combined system vulnerability evaluation is achieved, and a research result of the city gas vulnerability can lay the foundation for improving the level of a Chinese gas pipeline management technology, prolonging the service life of a city gas pipeline and avoiding or reducing sudden invalidation accidents. With the deepening of the vulnerability research, the vulnerability evaluation is introduced in the filed of research of the science of disasters, the point of view of the safety evaluation is made to be wider, the content of the safety evaluation is made to be fuller, and the evaluation result has more practical value.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

Intelligent tour conducting system and method for scenery spots

The invention provides an intelligent tour conducting system for scenery spots, which comprises a mobile terminal, a scenery spot database, a scenery spot application server and a mixed mobile positioning system. A yaw angle of the mobile terminal can be calculated by an eSensor module of the mobile terminal; the latitude and the longitude of the current position can be acquired by the mixed mobile positioning system; the unique possible user direction can be decided by using the latitude and the longitude as well as the yaw angle; then final directing scenery spot can be determined by connecting the mobile terminal and the server or adopting a local mode; and the eSensor module of the mobile terminal can record the real-time track of users by matching a gravity sensor with the mixed mobile positioning system. Meanwhile, the invention also provides an intelligent tour conducting system for scenery spots. In the method, two modes of a local mode and a server mode are provided. By using the mobile for independent travel, artificial interference is not required and the area range cannot be limited; and by using a hand-held terminal to point to buildings at scenery spots, correlative information of the buildings and peripheral correlative service information can be browsed and tourists can be prevented from entering dangerous areas.
Owner:戴文娟

Ventricular conduction delay trending system and method

A method and system for ascertaining the condition of the heart's conduction system in a patient treated for congestive heart failure with pacing therapy. In accordance with the invention, changes in ventricular activation patterns are monitored over time in order to detect changes in the heart's conduction system that may occur due to physiological regeneration of conduction pathways. The activation patterns are reflected by electrogram signals detected from different ventricular locations. By measuring the difference in conduction times of an excitation impulse traveling from the AV node to the different ventricular locations, a parameter representative of the heart's conduction system is obtained that may be used to adjust the pacing therapy in accordance therewith.
Owner:CARDIAC PACEMAKERS INC

High optical transparent two-dimensional electronic conducting system and process for generating same

Hybrid transparent conducting materials are disclosed with combine a polycrystalline film and conductive nanostructures, in which the polycrystalline film is “percolation doped” with the conductive nanostructures. The polycrystalline film preferably is a single atomic layer thickness of polycrystalline graphene, and conductive nanostructures preferably are silver nanowires.
Owner:PURDUE RES FOUND INC

Digital interactive laboratory

The invention relates to a digital interaction laboratory which is made up with teacher controlling station, student controlled station, network switch and more than one menu processors. The teacher controlling station includes teacher controlling computer, image collection device, image output device and voice equipments. The student controlled station includes student computer, image collection device and voice equipments. Adopting the invention, interaction experiments teach of biology, physics and chemistry can be made. The invention can transfer and broadcast real-time active images of each kind of imaging equipments and memorize these images. Also it can supervise images displayed in students' terminal image collection equipment, running state of student computer and students' action. Using the invention, teacher can instruct students to observe microscopic images and kinds of science experiments process, communicate with students using voice, words and images. The teacher can conduct multiple analysis and treatment to realize teacher's electronic preparation and lessons and students' no-paper work. The system can conduct system manage to kinds of information in laboratory and self define format of experiment report.
Owner:北京清大德人科技有限公司

Method for detection of charge originating from lightning

The invention relates to a detection apparatus of a wind turbine wherein said wind turbine comprises a down-conducting system arranged to conduct current induced from lightning, wherein said detection apparatus comprises a charge measurement apparatus for establishment of a charge representation, wherein said charge representation represents charge induced into said down-conducting system by lightning, and wherein said detection apparatus further comprises an estimator for estimating deterioration induced by lightning of one or more components in a wind turbine on the basis of said charge representation.
Owner:VESTAS WIND SYST AS

Pacing method and apparatus

The present invention provides for a method and apparatus providing pacing to improve the hemodynamics of the heart for patients with AV nodal block, right / left bundle branch block, and heart failure. A lead body having at least one conductor with an insulative sleeve is introduced into the right atrium of a heart. A partially masked helical electrode connected to the conductor is then secured preferably into the atrial aspect of the atrioventricular septum. The electrical conductor is then rotated such that an unmasked portion of the electrode is moved to a depth within the heart tissue substantially near the heart's intrinsic conduction system. This method and apparatus allow pacing in a natural manner via low power stimulation of the heart's intrinsic conduction system.
Owner:MEDTRONIC INC

Regional comprehensive energy system reliability evaluation method considering heat load dynamic characteristics

The invention discloses a regional comprehensive energy system reliability evaluation method considering heat load dynamic characteristics. The regional comprehensive energy system reliability evaluation method comprises the following steps that according to a selected regional comprehensive energy system, data of electricity, natural gas and regional heating system data, energy concentrator data,failure rate of various components, electricity, gas and heatload shedding price data, a hierarchical decoupling optimal convergence judgment threshold value, a reliability index convergence judgmentthreshold value, the maximum number of sampling and the building interior design temperature are input; running states of all components are selected to conduct system state analysis; power flow optimization calculation is conducted to the selected system state to obtain load shedding amount of electricity, gas and heat load shedding amount in the system state; the reliability index is calculated, wherein the reliability index comprises expected load reduction and expected load reduction frequency of the electricity, gas and heat; a reliability index convergence criterion is calculated; the number of quasi-sequential sampling is judged; and the electricity / gas / heat area comprehensive energy system reliability index is output. Electricity / gas / heat area comprehensive energy system reliability can be more accurately evaluated.
Owner:TIANJIN UNIV

Pacing method and device for preserving native conduction system

An implantable device for delivering cardiac pacing therapy in order to improve cardiac function is programmed to allow some amount of intrinsic activity to occur without otherwise the disturbing the pacing algorithm used to deliver therapy. Intrinsic cardiac cycles utilize the heart's native conduction system and thus serve to prevent the atrophy which may otherwise result from continuous pacing.
Owner:CARDIAC PACEMAKERS INC

System and method for providing tempered fluid

ActiveUS20060021131A1Increasing mixed fluid temperatureReduce trafficTemperatue controlBathing devicesEngineeringConducting system
The present invention is directed to methods and apparatus for tempering the temperature of a liquid in a fluid conducting system. More particularly, the invention relates to tempering the temperature of water supplied to a fixture from a water heater in a fluid conducting system.
Owner:MAGARL

Double balloon pump cardiac assist device and related method of use

A system and method for cardiac assist of a heart in a beating stage comprising a double balloon catheter having a proximal end and a distal end, the catheter having at least one lumen; an inflatable intra-ventricular balloon mounted on the catheter near the distal end of the catheter, the balloon having a lumen in fluid communication with the lumen of the catheter and being configured for inflation in a ventricle; and an intra-aortic balloon mounted on the catheter proximally to the intra-ventricular balloon; a control unit comprising a bidirectional pump; a fluid reservoir; and a processor configured to activate the pump; wherein the proximal end of the catheter is configured for attachment to the control unit to form a fluid conduction system in which fluid is configured to be pumped by the pump between the fluid reservoir and the intra-ventricular balloon and the intra-aortic balloon; and systolic augmentation comprising a new pressure wave which is generated when said balloon is inflated at the end of the slow ejection phase of the beating heart, such that any residual volume of blood left in said ventricle is displaced.
Owner:OVIL YOEL +2

Business rule decision-making method and device based on rule engine

The invention provides a business rule decision-making method and a business rule decision-making device based on a rule engine. The method includes the following steps: respectively obtaining business rule information of business objects of corresponding class options input by a user by using class options of the rule engine facing business domain languages, conducting analysis by using business object model comment libraries, comment analyzing processing programs, and business object model metadata descriptive database in the rule engine facing the business domain languages according to the business rule information of the business objects of the corresponding class options input by the user, and obtaining business rule decision-making results which are corresponding to the analyzed rule engine facing the business domain languages. According to the business rule decision-making method and the business rule decision-making device based on the rule engine, a method which uses the 'business domain language' which is close to natural languages to edit the business rules can be used, and edited rules can be used to conduct system automatic decision making. With the technical scheme, a business manger can successfully edit the business rules, the production efficiency is greatly increased, and response to market change is fast.
Owner:BANK OF COMMUNICATIONS

Coal mine rock burst united monitoring and early warning system and monitoring and early warning method thereof

ActiveCN105484802AGuide safe productionMake up for prone to distortionMining devicesEarly warning systemSystems analysis
The invention discloses a coal mine rock burst united monitoring and early warning system and a monitoring and early warning method thereof. An electromagnetic radiation monitor, a rock noise monitor and a microquake monitor are arranged on monitoring points of a coal mine excavation roadway or a transportation roadway of a coal mining working face, an air return way of the coal mining working face and monitoring points of the coal mining working face, a control receiver is arranged on a mining roadway, a ground monitoring system station is installed on the ground, the electromagnetic radiation monitor, the rock noise monitor and the microquake monitor are all connected with the control receiver, and the control receiver is connected with the ground monitoring system station. Three kinds of monitoring are integrated and interact and supplement in the monitoring process, systematic advantages are used for conducting system analysis on the monitoring result, the high-quality monitoring and early warning effect is guaranteed, the precise and scientific monitoring and early warning method is provided, and coal mine safety production is protected against damage of rock burst.
Owner:CHNA ENERGY INVESTMENT CORP LTD +2

Device and method for measuring and controlling speed of microfluid fluorescence of fluorescence PCR microcurrent control chip

The invention relates to a micro-fluid fluorescence speed measurement and control device with a fluorescence PCR micro-fluidic control chip and a method thereof. The invention belongs to the detection field of biology, analytical chemistry and medicine. The invention comprises an illuminant (1), an exciting light splitting system (2), an emitted light splitting system (4), a flow speed regulation and control actuator, a photoelectric detector connected with a computer (3), a lead screw and a stepping motor connected with the lead screw. A check point is arranged at the same position of each Microchannel of a biologic PCR fluorescence microfluidic control chip, respectively. An exciting light optical fiber conducting system and an emitted light optical fiber conducting system are fixed on the lead screw. The computer controls the movement of the lead screw through the stepping motor; the input end of the speed flow regulation and control actuator is connected with the computer; the output end of the flow speed regulation and control actuator is connected with the Microchannel of the biologic PCR microfludic control chip. The device can measure the flow speed of each Microchannel, and the computer can adjust and control the flow speed of the next Microchannel through the flow speed regulation and control actuator according to the difference between the actual speed and the theoretic speed.
Owner:BEIJING UNIV OF TECH

Double-station high efficiency electroslag furnace

ActiveCN101457297AFast Calculation of Melting RateStable smelting timeFixed frameIngot
The invention discloses a high-performance double-service position electroslag furnace. The furnace is characterized in that location of a rotatable furnace end part between two fixed smelting stations is connected by four locating cylinders on the upper part of a crystallizer electrode, end parts of cylinder piston rods in the locating cylinders and a return circuit of an electroslag power supply; a transformer secondary side short network in an electrical system part is respectively connected with a sliding conducting system on the rotatable furnace end part and the upper part of the crystallizer electrode by a secondary short network connecting fixing frame which is fixed on the rotatable furnace end part; the upper part of the crystallizer electrode is connected with the fixed smelting station parts by inserting four cylinder piston rods into four posts of the lower part of the crystallizer electrode arranged on the fixed smelting station parts. The high-performance double-service position electroslag furnace has the advantages of solving the defect of inefficiency of the prior art and realizing that one service position performs refusion smelting, the other service position can make preparation before smelting or is used for taking out ingots after smelting by a double-service position proposal. Therefore, two service positions can alternately work, which multiplies the efficiency.
Owner:朱兴发

Method for establishing three-dimensional geometrical structure of dog left ventricle conduction system based on local linear embedding method

The invention relates to a method for establishing a three-dimensional geometrical structure of a dog left ventricle conduction system based on a local linear embedding method, in particular to a method for mapping a plane image into a curved surface image. The method comprises the following steps to complete a ventricle conduction system: firstly, mapping dog left ventricle three-dimensional geometrical configuration to a plane by an LLE algorithm, and recording as a two-dimensional linear graph of the ventricle conduction system; then, extracting the conduction system in a two-dimensional graph of a real ventricle conduction system, and integrating the conduction system into a new graph; and finally, mapping the integrated new graph to the left ventricle three-dimensional geometrical configuration by using the LLE algorithm again so as to obtain the three-dimensional geometrical structure of the left ventricle conduction system. The invention retains the local linear characteristic of a space structure, has the characteristics of high efficiency and speed and uses real data to reflect the real dog left ventricle conduction system.
Owner:HARBIN INST OF TECH

Coupling for a fluid conducting system

A coupling for a fluid conducting system comprises an elongated coupling part (1) and a locking part (20), which can be displaced in a direction perpendicular to the longitudinal direction and which can be mounted on the coupling part (1) in a manner that enables it to slide. The guiding of the locking part (20) ensues via detent elements (24, 25) that engage inside guide recesses (13) of the coupling part (1). The locking part (20) can be fixed in a releasing position or in a locking position by the engagement of detent projections (26, 27) inside releasing recesses (18, 19) or inside locking recesses (16, 17). This enables a relatively problem-free operating of the coupling during opening and closing.
Owner:A RAYMOND & CO

Multi-accelerometer intelligent parameter identification, matching and hardware generative system and system

Provided are a multi-accelerometer intelligent parameter identification, matching and hardware generative system and a system. The system comprises a testing assembly, a signal preprocessing module, a signal analysis unit, a hardware generative unit and a power module, wherein the testing assembly is formed by a high-precision index head and multiple accelerometer gauge outfits mounted on the high-precision index head, the signal preprocessing module carries out preprocessing on acquisition signals, the signal analysis unit conducts identification on the testing assembly and obtains parameters of a controller, and the hardware generative unit processes output signals of the testing assembly to achieve loop locking of a rebalance loop; the testing assembly, the signal preprocessing module and the signal analysis unit are sequentially connected; and the signal analysis unit is respectively connected with the hardware generative unit, the accelerometer gauge outfits and the power module. The method includes the steps of conducting system identification on the multi-accelerometer intelligent parameter identification, matching and hardware generative system through acquisition of input and output data of the multiple accelerometer gauge outfits, obtaining accurate estimation of mathematical models of the multiple accelerometer gauge outfits, and carrying out verification on identification results through comparison of simulation results and test data. According to the system and the method, design and debugging processes of the controller are simplified, and measuring and control precision is improved.
Owner:TIANJIN UNIV

Multi-system cooperative system and method for production process control of discrete manufacturing enterprises

The invention discloses a multi-system cooperative system and method for production process control of discrete manufacturing enterprises. The multi-system cooperative system is used for cooperative work and data sharing of a production management system with multiple production chains during production, and comprises an information management subsystem, a cooperative management subsystem and a data synchronization subsystem. The multi-system cooperative method includes: configuring the process and defining the production chains; conducting system mapping to finish automatic correlation of the systems and the production chains; building topology, and displaying topology connection directed graphs of systems in real time according to the production process configuration and regular files; dynamically adjusting the topology relation and building a final connection directed graph of the production systems; adding orders and selecting corresponding production processes for the orders; distributing tasks; synchronizing and updating data and mastering the production schedule in real time. The multi-system cooperative system and method achieves organic interconnection and data sharing of independent systems through effective integration of the discrete systems, achieves smart production of the enterprises and improves the whole efficiency.
Owner:NANTONG MINGXING TECH DEV CO LTD +1

System evaluation and detection method by Bayesian model

The invention discloses a system evaluation and detection method by a Bayesian model. The method includes: step A, establishing a logic relationship and an event relationship between a software system and a database therein after variable and relationship conversion; step B, establishing a fault tree model for a logic model according to the step A; step C, establishing a Bayesian network based on the fault tree model; step D, conducting system evaluation and detection based on the Bayesian network. The system evaluation and detection method by the Bayesian model has the advantages of low computational complexity, low computational difficulty, simplicity and practicality when used for system evaluation and detection by the Bayesian model.
Owner:STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST +2

Measuring method of space teleoperation command time delay

The invention relates to a measuring method of space teleoperation command time delay and aims at time delay measurement and analysis problems. The measuring method improves accuracy of measurements and analysis of teleoperation control command in each section of time delay in a system through measures of developing a high-precision timing system, adding time delay measuring fields in sub-system inside information, and the like. The measuring method has the advantages of being capable of conducting system internal time delay measurements on the teleoperation control command, analyzing precision of command transmission time delay, command executing time, command feedback time delay, command circuit time, two-machine synchronous time, and the like. The measuring method can be popularized to time delay measurement in other information transmission processes, is capable of adding time delay measurement fields in every point of a router, and fills corresponding fields through an information source and an information sink, thereby further analyzing time delay distribution conditions inside a system.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Age determining method for curtain fluid movement history under low temperature background condition (0 to 60 DEG C)

ActiveCN103776852AOvercoming Non-Uniform Capture ProblemsHigh precisionMaterial analysis using wave/particle radiationResearch ObjectApatite
The invention relates to an age determining method for curtain fluid movement history under a low temperature background condition (0 to 60 DEG C). The age determining method comprises the following steps: step 100: measuring the temperature of an existing conducting passage; step 200: selecting apatite mineral from a conducting system based on the measured temperature; step 300: performing a fission track chronology test on the selected apatite; step 400: analyzing the thermal history overlaying process in the conducting system based on the test result; step 500, analyzing the fluid active stage and the age based on the analyzing result. Compared with the conventional type of the age determining methods, the age determining method provided by the invention is higher in precision and resolution, cannot be limited by authigenic mineral formed by fluid movement, overcomes the non-uniform catching problem of the fluid, expands the fluid research object, provides various temperature limitations for fluid movement history, and objectively provides possibility for distinguishing fluid movement in various curtains and various stages.
Owner:向才富

Pressure equalising device for systems through which fluid flows

The invention relates to a pressure compensating device for fluid-conducting systems, with a pressure container (1) for the pressure compensation, an elastic diaphragm (3), which forms a cavity (5) for receiving the fluid, and a pressure chamber of gas (7) adjoining the cavity (5). The diaphragm (3) is connected via a connecting mount (15) to a connecting pipe (17) for the fluid. A pipe (21) for the fluid, led separately to the connecting pipe (17), extends via the connecting mount (15) into the cavity (5), while being concentrically encircled by a hollow cylinder (25) shaped like a sieve, which defines an annular space (27) and opens into an end piece (29), into which the pipe (21) opens. Moreover the end piece (29) features sieve-like perforations (31) for the fluid to flow out into the cavity (5). The separately led pipe (21) extends into the fluid-conducting system, while the connecting pipe (17) for the fluid opens into the fluid-conducting system.
Owner:派克汉尼汾欧洲有限责任公司(卢森堡)瑞士分公司(埃图瓦)

Motor vehicle fittings quality tracing system and operation method

The invention discloses a quality tracing system of motor vehicle parts, which comprises a label, a software system, a network and a computer hardware system and is characterized in that: the software system comprises a data center system, a window conducting system, a registration system of the parts for repair of enterprises and a public information diffusion and inquiry system; the anti-fake code of the parts, the basic information and circulation process information of the parts and the management of the anti-fake code are recorded in the data center system; in the window conducting system, basic information inputting and the on-site generation and printing of the anti-fake code are realized; the stocking-selling-storing management file of the parts for repair of the enterprises are stored in the registration management system of the parts for repair of the enterprises. The quality tracing system of motor vehicle parts prevents unbranded and dateless products that are produced by a nameless factory or forged and fake parts from entering market circulation by surveying the material of the parts; the quality tracing system of the parts records the circulation process of the parts and can rapidly lock on the source once finding out quality problems, thereby improving anti-fake code inquiring rate and enhancing anti-fake strength and reliability and ensuring the quality of the motor vehicle parts.
Owner:杭州恒盈电子科技有限公司 +2

Embedded system of intelligent set top box based on Android and recovery method of embedded system

The invention discloses an embedded system of an intelligent set top box based on the Android and a recovery method of the embedded system. The system comprises a guide system and a main Android system used for providing functions required by application of a user. The system is characterized in that the system further comprises an auxiliary Android system, the auxiliary Android system and the main Android system share a kernel, a root file system of the auxiliary Android system and a root file system of the main Android system are mutually independent and are stored in different physical regions in a storage device of the intelligent set top box; the auxiliary Android system comprises a recovery unit used for conducting system recovery on the main Android system; the guide system comprises a counter, a switching module and a guide module and used for starting the auxiliary Android system to conduct recovery on the main Android system when the number of start failure of the main Android system reaches the rated number. The embedded system of the intelligent set top box based on The Android has the advantages of being stable in operation and reliable in recovery function.
Owner:AVIT

System and method for testing power stability of highly stable radiofrequency signal

ActiveCN105929222ARealize proportional conversion outputReduced by temperature changes, etc.Transmitters monitoringElectric devicesTest powerMicrowave power meter
The invention discloses a system and method for testing power stability of a highly stable radiofrequency signal. The system includes a directional coupler, an attenuator set, a microwave power meter, an upper computer, a high precision digital universal meter and a diode detector. The directional coupler is successively in serial connection to the attenuator set and the microwave power. The upper computer conducts system application measurement and control respectively on the microwave power meter and the high precision digital universal meter. A coupling end of the directional coupler is connected to the diode detector. The diode detector is in connection to the high precision digital universal meter and is a gallium arsenide diode detector. According to the invention, the system and the method have the following benefits: through the testing of stability of demodulation voltage, the evaluation object in testing the power stability of the radiofrequency signal is synchronously acquired in a non-distortion manner, and a constant temperature chamber and a gallium arsenide device are configured to reduce the influence on the demodulation voltage by temperature changes to the minimum with the proviso that the power of the input radiofrequency signal stays unchanged.
Owner:THE 41ST INST OF CHINA ELECTRONICS TECH GRP

Conductive Composites

InactiveUS20130168222A1Easily and attachedElectronic switchingElectric switchesAntenna designEngineering
The invention features a conducting system which when attached to an object, the system converts the object into input device used to input functions on a touch screen device. The system features a material having an active capacitive layer with an antenna design which stores an electrical charge that is substantially similar to a human's body capacitance. Additional layers may be provided for attaching the material and protecting the material.
Owner:NING ALICE
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