30results about How to "Simplify human operation" patented technology

The invention discloses a method and an apparatus for end point detection in titration analysis. The method mainly comprises detecting the wavelength of transmission light of a test solution, and then based on the complementary color principle, showing the color of the test solution in the form of a wavelength of a color the same with the color, thereby to determine the end point of the titration analysis. The device comprises a sealing case, a small door is arranged on the box for placing the test solution to the sealing case, a small hole of a suitable size is disposed on the small door so that it is convenient for a person to dropwise add a standard solution into the test solution by a dropping device through the small hole, a magnetic stirrer is arranged below the small door, the test solution is placed on the magnetic stirrer, a while-light-emitting device is arranged beside the test solution to provide while light beam, a light wavelength detection device for detecting the wavelength of transmitted light of the test solution is arranged at the light-transmitting side of the test solution, the light wavelength detection device is electrically connected with a control cabinet, and the display screen of the control cabinet is arranged on the sealing case. According to the method and the apparatus, human errors are minimized, measurement precision is high, costs are low, reproducibility is good, and popularization is easy.

The invention relates to a microfluidic chip, a system and a method integrating nucleic acid extraction, amplification and detection. The chip comprises a sample inlet, a washing liquid storage cavity, an eluent storage cavity, a nucleic acid extraction cavity, a washing waste liquid receiving part and a constant temperature amplification cavity, wherein the nucleic acid extraction cavity is provided with nucleic acid extraction filter paper; the washing liquid storage cavity and the eluent storage cavity are respectively connected with the nucleic acid extraction cavity through one-way valves; the nucleic acid extraction cavity is connected with a washing waste liquid receiving part and a constant temperature amplification cavity; a washing liquid is pre-stored in the washing liquid storage cavity; an eluent is pre-stored in the eluent storage cavity; the washing liquid storage cavity is used for enabling the washing liquid to break through the one-way valve and flow through the nucleic acid extraction cavity for washing under driving of external force, and waste liquid flows into the washing waste liquid receiving part; and the eluent storage cavity is used for enabling the eluent to break through the one-way valve and enter the nucleic acid extraction cavity for elution under driving of external force, wherein the eluted nucleic acid solution flows into the constant-temperature amplification cavity, and waste liquid flows into an elution waste liquid cavity. The chip can rapidly, simply, stably and reliably complete nucleic acid extraction, amplification and detection.

The invention relates to a neural stem cell differentiation direction prediction system and method based on deep learning. According to the invention, the high-throughput processing capability of a flow cytometry on cells is combined; experimental means are creatively utilized to collect a cell image of neural stem cell differentiation culture acquired by a panoramic flow cytometer; a cell training data set for three-line differentiation of the neural stem cells is established; a convolutional neural network is utilized to perform model training optimization, a set of accurate, efficient, simple to operate, time-saving and low-consumption prediction system is established, the limitation of various technologies for evaluating neural stem cell differentiation by an existing laboratory methodcan be overcome, and the neural stem cell differentiation direction can be conveniently, quickly, efficiently and accurately predicted.

The invention relates to preparation of an automatic cleaning paper-based electrochemical luminescence sensor and application of the automatic cleaning paper-based electrochemical luminescence sensorin heavy metal ion detection. A multi-channel cleaning area, a hollow channel area, a working electrode area, an auxiliary area and an absorption cleaning liquid area are prepared on a paper chip through a wax printing technology, and three electrodes are printed by virtue of a screen printing technology. By means of the hydrophilicity, designability and capillary action of paper, an automatic cleaning function of a paper chip device is realized by combining the multi-channel design. The signal is enhanced and the sensitivity of a system is improved by utilizing an intramolecular co-reaction agent and an intermolecular co-reaction agent of a luminescence reagent. The high-sensitivity and specific detection of the sensor can be realized by means of the inhibition effect of a specific DNA enzyme chain and mercury ions to nickel ions.

The invention presents an off-grid starting system of a marine shaft generator system. The off-grid starting system comprises a motor control system, a microcomputer controller, a grid-connected circuit breaker, and a power factor corrector. The motor control system comprises a brushless doubly-fed motor and a first PWM converter connected with each other. The microcomputer controller is connected with the motor control system and the power factor corrector. The power factor corrector is connected with a grid through the grid-connected circuit breaker. The process in which the marine shaft generator system is started, disconnected from the grid and connected to the grid can be completed through the grid-connected circuit breaker and a direct current source. Artificial operation is simplified. The reliability of the system is improved. The marine shaft generator system can be directly started to off-grid operation, and there is no need to consider whether a marine engine grid can work properly. The invention further provides an off-grid starting method of a marine shaft generator system.

The invention provides a starting monitoring device and method for a torque extraction generator. The starting monitoring device comprises a generator monitoring module, a program control starting module and an operating module. The starting monitoring device has the advantages that a chassis engine is started automatically by pressing a generator switch on the operating module and by the coordination of the program control starting module and the generator monitoring module, the torque extraction generator is controlled to work, the chassis engine is started by one button, the torque extraction generator can reliably generates and supply power under optional work conditions, a torque extraction generator fault monitoring function is provided, and the starting monitoring device is simple to operate, reliable in operation and high in informationization degree.

The invention relates to an end-to-end service connection method based on PTN network management software, which is used for configuring two-site hardware devices in the packet transmission network PTN by the network management software to establish an end-to-end service connection. After inputting the node addresses of the two sites in the packet transport network PTN and selecting the service protection option, the network management software creates the label switching path LSP, pseudowire PW and end-to-end service, and configures their operation management and maintenance OAM with default default values Parameters and quality of service level QoS, with the help of comprehensive verification of configuration parameters by network management software, configuration parameters are further optimized, and finally configuration parameters are sent to hardware devices to establish end-to-end service connections. The invention simplifies the manual operation process, processes and issues hardware configuration at one time, greatly shortens the service configuration time, and also reduces the burden on equipment hardware; and realizes automatic optimization of configuration parameters and improves parameters by comprehensive verification of configuration parameters. Configuration efficiency and applicability.

The invention relates to an intelligent fresh-keeping system of fresh cordyceps sinensis. The intelligent fresh-keeping system comprises a quality detection device, a precooling chamber and a refrigerating chamber, wherein the quality detection device is provided with a weight inductor; the precooling chamber maintains the constant temperature of 4 DEG C; the refrigerating chamber comprises temperature control equipment, a wetness balance machine and an oxygen concentration inductor; the precooled fresh cordyceps sinensis is conveyed to the refrigerating chamber, an automatic temperature control condition is set well for the temperature control equipment, the wetness balance machine is used for balancing the wetness, and precooled mixed gas is guided, wherein the compounding ratio of the mixed gas is that O2 is 3-5%, CO2 is 19-23%, and N2 is 74-76%; and when O2 exceeds the concentration range, the oxygen concentration inductor can automatically send an alarm. According to the intelligent fresh-keeping system of fresh Chinese caterpillar fungus, provided by the invention, parameters of the cold-storage fresh-keeping temperature, time, wetness and the like can be intelligently adjusted and controlled in a programmed manner according to the self characteristics of the fresh cordyceps sinensis, and the fresh vitality and the nutrient components of the fresh cordyceps sinensis are maintained from the cell tiers.

The invention discloses a train door opening and closing circuit and train door control system of a train set. The train door opening and closing circuit comprises a self-resetting door opening button, a self-resetting door closing button and a door releasing module. The door releasing module controls a door releasing instruction line to be converted from a low-level state to a high-level state and kept in the high-level state before a train door is opened every time, and autonomously controls the door releasing instruction line to be converted from the high-level state to the low-level stateafter the train door is closed every time, that is, the door releasing module can autonomously restore the low-level state of the door releasing instruction line, thus after the train door is closed,normal conducting of train opening operation of the next time can be ensured without executing corresponding restoring operation by a driver, manual operation steps of door opening and closing of thetrain set are omitted, the problem that the low-level state of the door releasing instruction line is not restored in time, and consequently the train door cannot be opened after end switching drivingis avoided, and then driving safety and the driving order are ensured.

The invention relates to a method and device for controlling UAV tracking and shooting, including: receiving a reference frame image of a target sent by a UAV, and calculating the pixel information of the target in the reference frame image; receiving the current frame of the target sent by the UAV image, and calculate the pixel information of the target in the current frame image; determine the direction to be adjusted according to the pixel information of the target in the reference frame image and the pixel information of the target in the current frame image; adjust the shooting attitude of the drone according to the direction to be adjusted . The method and device for controlling UAV tracking and shooting according to the embodiments of the present invention can maintain the relative distance between the UAV and the target during the UAV tracking and shooting, and ensure that the shooting target is in the center of the image, thereby improving The tracking accuracy and image quality of the UAV can avoid losing the target, simplify the human operation, and improve the user experience of aerial photography.

The invention provides an old people medication system based on an Android platform, relates to the technical field of old people medication assistant software development, and aims at solving the problems that old people cannot accurately take medicine on time and at the proper dose. The old people medication system based on the Android platform comprises a client side and a server which achieve medication information interaction, wherein the client side comprises a medicine barcode scanning and analyzing module, a voice reading module and a timing medicine taking reminding module which are directly operated by a user; the medicine barcode scanning and analyzing module is used for scanning a medicine barcode identification and analyzing acquired medicine barcode information; the client side is used for sending a query request, and the server is used for responding the query request of the client side, receiving the query request of the client side and a medicine barcode and generating a statement query medicine information database recognized by a medicine information database to query the medicine information database according to the submitted query request and the corresponding medicine barcode information; the voice reading module is used for presenting medication information to a user of the client side and helping the user accurately acquire medicine information to improve the medication safety; the timing medicine taking reminding module is used for helping the user to take the medicine on time and at the proper dose according to a set medicine taking time.

The invention provides a micro-fluidic chip for nucleic acid detection and a nucleic acid detection device. The micro-fluidic chip comprises a sample purification cavity, an amplification liquid preparation cavity, an amplification liquid retention cavity, a mixing flow channel, a reaction liquid collection cavity, a liquid separation structure, amplification reaction cavities and a waste liquid cavity, wherein under first centrifugal motion, amplification liquid in the amplification liquid preparation cavity can flow into the amplification liquid retention cavity, and sample liquid in the sample purification cavity is retained in the sample purification cavity under the action of capillary force; under second centrifugal motion, the amplification liquid and the sample liquid can break through the constraint of the capillary force to enter the mixing flow channel, and are fully mixed and then converged in the reaction liquid collection cavity; and under third centrifugal motion, reaction liquid in the reaction liquid collection cavity is uniformly distributed to the amplification reaction cavities through the liquid separation structure, so that constant-temperature amplification reaction and real-time fluorescence detection can be conveniently carried out in the amplification reaction cavities. The micro-fluidic chip can realize quick, simple and stable centrifugal liquid separation operation, and conveniently, efficiently and reliably complete the constant-temperature amplification reaction and the fluorescence detection.

The invention relates to preparation of an automatic cleaning paper-based electrochemical luminescence sensor and application of the automatic cleaning paper-based electrochemical luminescence sensorin heavy metal ion detection. A multi-channel cleaning area, a hollow channel area, a working electrode area, an auxiliary area and an absorption cleaning liquid area are prepared on a paper chip through a wax printing technology, and three electrodes are printed by virtue of a screen printing technology. By means of the hydrophilicity, designability and capillary action of paper, an automatic cleaning function of a paper chip device is realized by combining the multi-channel design. The signal is enhanced and the sensitivity of a system is improved by utilizing an intramolecular co-reaction agent and an intermolecular co-reaction agent of a luminescence reagent. The high-sensitivity and specific detection of the sensor can be realized by means of the inhibition effect of a specific DNA enzyme chain and mercury ions to nickel ions.