Abstract: Disclosed are a measurement system for micro-mixing and a measurement method thereof. The measurement system comprises a mixing device, a light enhancement unit, an observation unit, an image acquisition unit, a display device and a tracer injection device; the light enhancement unit comprises a light-emitting device, a light-focusing device and a reflecting device; the observation unit comprises an observation window; the image acquisition unit comprises a distortion-free lens and an image acquisition device which are connected in sequence, and a central axis of the distortion-free lens is in alignment with a central axis of the observation window. The measurement method is performed in the measurement system provided by the present application. In the present application, the brightness of visual field is improved, the light interference on target image is shielded off, the process of micro-mixing can be observed in real time, and thereby the micro-mixing efficiency can be evaluated.

Abstract: An earphone control method is applied to an earphone box provided with a first electrical contact, when the first electrical contact is in a charging state, the first electrical contact is configured for charging the earphone, and when the first electrical contact is a communication state, the first electrical contact is configured for establishing communication between the earphone box and the earphone, the method includes: in responding to that the first electrical contact is in the charging state, and the earphone box detects that a communication requirement exists between the earphone box and the earphone, adjusting a voltage level of the first electrical contact to send preset signals to the earphone; and upon receiving a response signal fed back by the earphone based on the preset signals, switching the first electrical contact to the communication state. An earphone box, an earphone and a computer-readable storage medium are also disclosed.

Abstract: A method for replacing a light source of a lamp is provided. The method includes providing a lamp in which a first light engine is installed, providing a light engine module with a second light engine, and removing the first light engine from the lamp. The method further includes installing the light engine module in the lamp to replace the first light engine. The light engine module includes a reinforcement for mechanically stabilizing the second light engine. The installation of the light engine module includes installing both the second light engine and reinforcement in the lamp. In addition, a first light engine, a light engine module and a lamp are also provided.

Abstract: Embodiments of the present disclosure relate to a solar cell and a method for producing the same. The solar cell includes: a substrate having a first textured surface, a plurality of sheet-shaped anti-reflection films, and a plurality of grid lines. A plurality of grid-line areas spaced from each other are formed on the first textured surface, and each grid-line area has a second textured surface. One or more sheet-shaped anti-reflection films of the plurality of sheet-shaped anti-reflection films are formed on a portion of the second textured surface of each grid-line area. Each grid line of the plurality of grid lines is formed on a respective grid-line area, and each grid line is in contact with the one or more sheet-shaped anti-reflection films and with a remaining portion of the second textured surface of the respective grid-line area not covered by any sheet-shaped anti-reflection films. grid linegrid line.

Abstract: Embodiments of the present disclosure relate to a solar cell and a method for producing the same. The solar cell includes: a substrate having a first textured surface, a plurality of sheet-shaped anti-reflection films, and a plurality of grid lines. A plurality of grid-line areas spaced from each other are formed on the first textured surface, and each grid-line area has a second textured surface. One or more sheet-shaped anti-reflection films of the plurality of sheet-shaped anti-reflection films are formed on a portion of the second textured surface of each grid-line area. Each grid line of the plurality of grid lines is formed on a respective grid-line area, and each grid line is in contact with the one or more sheet-shaped anti-reflection films and with a remaining portion of the second textured surface of the respective grid-line area not covered by any sheet-shaped anti-reflection films.

Abstract: The present invention relates to a method for multidimensional evaluation of the similarity of a sample to breast milk, wherein the method is performed in the following steps: (1) establishing a local breast milk phospholipid database; (2) collecting and pretreating a sample to be evaluated; (3) determining the contents of characteristic phospholipid subclasses, the contents of characteristic phospholipid molecules in the sample to be evaluated, and obtaining a microstructural image of milk fat globules in the sample by confocal laser scanning microscopy; (4) calculating the score G for the sample to be evaluated.

Abstract: A containerized single-phase liquid immersion cooling system includes a tank unit, a power distribution unit, a plate heat exchanger unit and a control unit that are disposed within a container, and a liquid cooling system disposed outside the container. A plurality of computational power servers are placed in each tank containing a cooling liquid, and the tank serves as a place for heat exchange between a cooling liquid and the computational power servers. The liquid cooling system is configured to cool a secondary-side medium from the plate heat exchanger unit. A bypass pipe is disposed between the plate heat exchanger unit and the liquid cooling system. The secondary-side medium in the bypass pipe serves as a heat source and is communicated with an external device through a hot water outlet to recover waste heat, and the medium cooled after waste heat utilization returns to a primary-side pipe.

Abstract: A containerized liquid-cooling data center includes a computational power server cabinet system, a pump station control system, a plate heat exchanger unit and a power distribution cabinet unit that are disposed within a container, and a liquid cooling system disposed outside the container. The computational power server cabinet system includes a plurality of modules operating independently, each of which includes a plurality of server cabinets each corresponding to a power distribution branch. A plurality of power distribution branches in a same module are converged to a same power distribution bus, and a plurality of power distribution buses in the plurality of modules are converged into a same main power distribution bus, and a current switch is disposed on the main power distribution bus to control the main power distribution bus. The liquid cooling system cools and dissipates heat of the computational power server cabinet system through circulation of a medium.

Abstract: Disclosed herein are novel drugs useful in treating Alzheimer's Disease and methods of use.

Abstract: Disclosed are a measurement system for micro-mixing and a measurement method thereof. The measurement system comprises a mixing device, a light enhancement unit, an observation unit, an image acquisition unit, a display device and a tracer injection device; the light enhancement unit comprises a light-emitting device, a light-focusing device and a reflecting device; the observation unit comprises an observation window; the image acquisition unit comprises a distortion-free lens and an image acquisition device which are connected in sequence, and a central axis of the distortion-free lens is in alignment with a central axis of the observation window. The measurement method is performed in the measurement system provided by the present application. In the present application, the brightness of visual field is improved, the light interference on target image is shielded off, the process of micro-mixing can be observed in real time, and thereby the micro-mixing efficiency can be evaluated.

Abstract: A tilt rotor-based linear multi-rotor unmanned aerial vehicle (UAV) structure for crop protection and a control method thereof are provided. The tilt rotor-based linear multi-rotor UAV structure for crop protection includes main lift power structures, tilt power structures, and a main frame structure, where the main frame structure is located in a middle; the main lift power structures are distributed at left and right ends of the main frame structure; and the tilt power structures are symmetrically distributed between the main frame structure and the main lift power structures. A vector power structure is adopted to ensure flexible attitude changes and smoother and more accurate UAV operations, and improve the operation efficiency. Meanwhile, the tilt rotor-based linear multi-rotor UAV structure is adapted to the complex working environment in China's ever-changing terrains.

Abstract: The present disclosure provides an efficient map matching method for a global positioning system (GPS) trajectory, and belongs to the technical field of traffic. The efficient map matching method for a GPS trajectory includes the following steps: obtaining a valid GPS point list; obtaining a current searched end point; backtracking a best map matching path from the current searched end point, traversing GPS points along the path to obtain best matching results, and summarizing the best matching results to output a matching result statistical table; and determining whether the current searched end point is a final point. The present disclosure replaces the conventional “GPS point guided path search logic” with a “path search guided GPS point matching logic”, solves the problem of endless loop in backtracking of the emerging algorithm, avoids the complicated and inefficient map data calling process in the conventional matching logic, and greatly improves the map matching efficiency.

Abstract: A tilt rotor-based linear multi-rotor unmanned aerial vehicle (UAV) structure for crop protection and a control method thereof are provided. The tilt rotor-based linear multi-rotor UAV structure for crop protection includes main lift power structures, tilt power structures, and a main frame structure, where the main frame structure is located in a middle; the main lift power structures are distributed at left and right ends of the main frame structure; and the tilt power structures are symmetrically distributed between the main frame structure and the main lift power structures. A vector power structure is adopted to ensure flexible attitude changes and smoother and more accurate UAV operations, and improve the operation efficiency. Meanwhile, the tilt rotor-based linear multi-rotor UAV structure is adapted to the complex working environment in China's ever-changing terrains.

Abstract: The present invention relates to a rock physico-mechanical testing chamber and a three-dimensional multi-field information perception cabin in simulated environments of deep earth, deep space, and deep sea. The testing chamber comprises a cabin body and 6 butting indenters; the 6 butting indenters are pairwise located in an X-axis direction, a Y-axis direction and a Z-axis direction; the 6 butting indenters are respectively mounted in through holes on six faces of the cabin body, inner ends of the butting indenters extend into the cabin body, outer ends of the butting indenters are exposed out of the cabin body, and the butting indenters can axially move relative to the cabin body. The present application can be used to achieve the reservoir rock mechanical behavior testing in real time under high and low environments.

Abstract: The present invention relates to a deep rock in situ environment reconstruction and integrated three-dimensional mechanical-thermo-acousto-seismic-flow testing method, which comprises: preparing a cubic sample; placing the cubic sample in a sample holder; extending the 6 indenters to butt with the sample holder; butting 6 butting indenters with the 6 indenters; butting each of 6 hydraulic actuators with one of the butting indenters, performing stress loading on the cubic sample by the hydraulic actuator, filling a fluid medium into the cubic sample by a percolation medium channel, and dynamically measuring related parameters. The present application can achieve three-way multi-parameter synchronous monitoring and acquisition of deformation, acoustic emission, ultrasonic wave, temperature field, percolation field and heat flow field.

Abstract: The present invention relates to a deep rock in situ environment reconstruction and integrated three-dimensional mechanical-thermo-acousto-seismic-flow testing method, which comprises: preparing a cubic sample; placing the cubic sample in a sample holder; extending the 6 indenters to butt with the sample holder; butting 6 butting indenters with the 6 indenters; butting each of 6 hydraulic actuators with one of the butting indenters, performing stress loading on the cubic sample by the hydraulic actuator, filling a fluid medium into the cubic sample by a percolation medium channel, and dynamically measuring related parameters. The present application can achieve three-way multi-parameter synchronous monitoring and acquisition of deformation, acoustic emission, ultrasonic wave, temperature field, percolation field and heat flow field.

Abstract: A method for extracting attributes of starting and ending points of roads in batches from an urban regional road network: obtaining a line layer Shape file of the urban regional traffic road network, performing topology inspection and correction on the line layer Shape file to be stored as a line layer Shape2 file; processing the line layer Shape2 file to obtain data of a starting point, a turning point, and an ending point of each road to be exported as a point-line layer Shape3 file; intersecting point layer elements and line layer elements of the point-line layer Shape3 file and the line layer Shape2 file to be exported as a point-line layer Shape4 file; processing the point-line layer Shape4 file, exporting a .Csv file; and connecting the line layer Shape2 file with the Csv file to extract the attributes of the starting and ending points of the roads in batches.

Abstract: The application relates to a rock physico-mechanical testing system in simulated environments of deep earth, deep space, and deep sea, which comprises a three-axis six-direction loading system and an experimental cabin, wherein the three-axis six-direction loading system comprises a loading frame and 6 actuators; an experimental cabin accommodation chamber is arranged in the loading frame, the experimental cabin accommodation chamber is provided with 6 loading ports, and six actuators are each adapted to one of the loading ports; the experimental cabin comprises a cabin body and 6 butting indenters, wherein the 6 butting indenters are respectively arranged in through holes of the cabin body in six directions and can axially move relative to the cabin body; and front ends of the six actuators are each operatively butted with a rear end of one of the butting indenters. The application can be used to achieve the reservoir rock mechanical behavior testing.

Abstract: A display apparatus, a display panel, and a manufacturing method thereof, relate to the field of display technology. The display panel includes a substrate (SU), a transistor layer (TL), a wiring layer (SD), a flat layer (PLN), and a light emitting layer (OL). The transistor layer (TL) is disposed on a side of the substrate (SU) and includes a storage capacitor (C) and a transistor. The material of the first type of transistor includes silicon, and material of the second type of transistor includes a metal oxide. The wiring layer (SD) is disposed on a side of the transistor layer (TL) away from the substrate (SU) and connected to the transistor layer (TL) to form a plurality of pixel circuits. The wiring layer (SD) includes a data line (DAL) and a first power supply line (VDL). The flat layer (PLN) covers the wiring layer (SD).

Abstract: An electric roasting machine includes a housing defining a cavity having an upper opening, a heating device installed in the cavity, and a grill located at the opening of the cavity. The grill includes a carrying part extending into the cavity and located in a region covered by thermal radiation of the heating device.