Abstract: The present disclosure relates to a display panel. The display panel includes a display substrate, an opposite substrate, and a first adhesive layer and light guide layer located between the display substrate and the opposite substrate and stacked on each other. The first adhesive layer includes a photo-cured layer formed by curing a photocurable material layer. And the light guide layer is used to direct light to the photocurable material layer during the curing to form the cured layer.

Abstract: Provided is an aggregation index structure and an aggregation index method for improving aggregation query efficiency. The aggregation index partitions streaming data through two dimensions of grouping and slicing, and then aggregates the partitioned data. The structure includes index metadata, a sliced data list and a detailed data store; the aggregation index method includes three parts: aggregation index definition, aggregation index creation and aggregation index query. The aggregation index structure and method provided by the present disclosure can greatly improve the efficiency of aggregation query, support the ad hoc aggregation query of PB-level data, complete the aggregation query of a large amount of data in seconds, support the insertion of new data at any time, and return the query results in minutes or even seconds latency in the event of changes of the query range conditions.

Abstract: Embodiments of this application provide a channel estimation method and apparatus, and relate to the field of communications technologies, to help reduce indication overheads. The method includes: generating and sending indication information, wherein the indication information is used to indicate M N-dimensional precoding vectors, each precoding vector is applied to one of M frequency bands, the M N-dimensional precoding vectors form a space-frequency matrix, and the space-frequency matrix is generated by performing weighted combination on a plurality of space-frequency component matrices, wherein the space-frequency matrix is an M×N-dimensional space-frequency vector or an X×Y space-frequency matrix, X and Y are one and the other of M and N, M?1, N?2, and both M and N are integers.

Abstract: A well cementing method is described for improving cementing quality by controlling the hydration heat of cement slurry. By controlling the degree and/or rate of hydration heat release from cement slurry, the method improves the hydration heat release during formation of cement with curing of cement slurry, improves the binding quality between the cement and the interfaces, and in turn improves the cementing quality at the open hole section and/or the overlap section. The cementing method improves cementing quality of oil and gas wells and reduces the risk of annular pressure.

Abstract: A downhole transducer can include at least one single-crystal piezoelectric material, the at least one single-crystal piezoelectric material being positioned in the downhole transducer that is deployed downhole in a wellbore. Additionally, the downhole transducer can include at least one pair of electrodes positioned adjacent to the at least one single-crystal piezoelectric material for determining wellbore parameter measurements using one or more acoustic signals transmitted in the wellbore. The single-crystal piezoelectric material can include PIN-PZN-PT.

Abstract: A system and method for maximizing bandwidth in an uplink for a 5G communication system is disclosed. Multiple end devices generate image streams. A gateway is coupled to the end devices. The gateway includes a gateway monitor agent collecting utilization rate data of the gateway and an image inspector collecting inspection data from the received image streams. An edge server is coupled to the gateway. The edge server includes an edge server monitor agent collecting utilization rate data of the edge server. An analytics manager is coupled to the gateway and the edge server. The analytics manager is configured to determine an allocation strategy based on the collected utilization rate data from the gateway and the edge server.

Abstract: There is provided a method for fabricating an optical printed circuit board. The method includes preparing a first printed circuit board portion with an array of optical fibers attached thereon, assembling an optical fiber connector with the first printed circuit board portion such that the optical fiber connector is arranged at ends of the array of optical fibers, and attaching one or more second printed circuit board portions to the first printed circuit board portion to form an optical printed circuit board with the optical fiber connector embedded therein. The optical fiber connector includes an engagement mechanism arranged for engagement with an external optical device.

Abstract: An antenna module, a metamaterial structure and an electronic device are provided. The electronic device includes a housing, a glass material layer and an antenna module. The antenna module includes a substrate, at least one radiating element and a metamaterial structure. The metamaterial structure includes a metamaterial substrate, a plurality of first metal conductors, and a plurality of second metal conductors. The first metal conductors are disposed on the first surface of the metamaterial substrate and are spaced apart at intervals from each other, and the second metal conductors are disposed on the second surface of the metamaterial substrate and are spaced apart at intervals from each other. The first metal conductors respectively correspond to the second metal conductors. Shapes of the first metal conductors are different from shapes of the second metal conductors.

Abstract: A valve set integrated module includes a body, a first and a second electric valves. The body is provided with multiple internal flow channels and multiple interfaces configured to communicate the internal flow channels with a heat exchange assembly. The first and second electric valves on the body are in communication with the internal flow channel. The first and second electric valves are both switchable between a blocked/unblocked position and a throttled position. A first end of the first electric valve is in communication with an interior condenser outlet interface. A second end of the first electric valve is in communication with an exterior heat exchanger inlet interface. A first end of the second electric valve is in communication with an exterior heat exchanger outlet interface. A second end of the second electric valve is selectively communicated with an interior evaporator inlet interface or a gas-liquid separator inlet interface.

Abstract: A valve set integrated module, a thermal management system, and a vehicle are provided. The valve set integrated module includes a body, a first electric valve, and a second electric valve. The body is provided with multiple internal flow channels and multiple interfaces configured to communicate the internal flow channels with an external heat exchange assembly of the thermal management system. The first electric valve and the second electric valve are arranged on the body and configured to communicate parts of the multiple internal flow channels to form multiple different thermal management circuits. The first electric valve and the second electric valve are configured to unblock/block and/or throttle the thermal management circuits to achieve at least one of the multiple preset thermal management modes.

Abstract: A valve manifold integration module for a thermal management system is provided. The thermal management system has multiple preset thermal management modes. The valve manifold integration module includes: multiple flow channels, disposed inside the valve manifold integration module; and a valve manifold, including multiple valves. The valves are disposed on the valve manifold integration module. The valves communicate with the flow channels. The multiple flow channels are communicated with each other via the valves to form fluid channels, to realize at least one of the thermal management modes.

Abstract: An integrated valve module includes a base and a valve set disposed on the base and including a first switch valve, a second switch valve, and a first expansion valve. An indoor condenser outlet interface configured to connect with an outlet of an indoor condenser and communicate with an inlet of the first switch valve, an outdoor heat exchanger outlet interface configured to connect with an outlet of an outdoor heat exchanger and communicate with an inlet of a second switch valve, and a battery pack heat exchanger inlet interface configured to connected with a refrigerant inlet of a battery pack heat exchanger and communicate with an outlet of the first expansion valve, are disposed on the base. An outlet of the first switch valve, an inlet of the first expansion valve, and an outlet of the second switch valve communicate with a first flow channel disposed on the base.

Abstract: A valve group integration module and a vehicle are provided. The valve group integration module includes a body and a valve group. The body includes a first branch body and a second branch body. The first branch body includes a first connecting surface; the second branch body includes a second connecting surface; and the first connecting surface is hermetically connected to the second connecting surface. Multiple internal flow channels are arranged inside the first branch body. Furthermore, at least one groove is arranged on the first connecting surface of the first branch body. The second connecting surface and each groove on the first branch body form an external flow channel. The valve group includes multiple valves. The valves are selectively communicated to the internal flow channels and the external flow channel to form different fluid flow channels.

Abstract: An integrated valve module includes a body including first flow channel that includes a first branch channel; an interface disposed on the body and including an indoor condenser outlet interface, an outdoor heat exchanger inlet interface, and a first interface of a motor heat exchanger; and a valve set disposed on the body and including a first electric valve and a second electric valve. A first port of the first electric valve is connected with the indoor condenser outlet interface. A second port of the second electric valve is connected with the outdoor heat exchanger inlet interface, and a third port thereof is connected with the first interface of the motor heat exchanger. A first opening communicates with a second port and a third port of the first electric valve, and a second opening communicates with a first port of the second electric valve, are disposed on the first branch channel.

Abstract: There is provided a method for fabricating an optical printed circuit board. The method includes preparing a first printed circuit board portion with an array of optical fibers attached thereon, assembling an optical fiber connector with the first printed circuit board portion such that the optical fiber connector is arranged at ends of the array of optical fibers, and attaching one or more second printed circuit board portions to the first printed circuit board portion to form an optical printed circuit board with the optical fiber connector embedded therein. The optical fiber connector includes an engagement mechanism arranged for engagement with an external optical device.

Abstract: A wide-field imaging and hyperspectral collaborative early warning system and method are provided. The system includes: a primary imaging system, a digital micromirror array, a first collimation system, a second collimation system, a first reflector, a second reflector, a wide-field imaging optical filter, a narrow-band optical filter, a wide-field imager and a hyperspectral interferometer. The system and method have the advantages that the wide-field imaging general survey and fine spectrum detection can be realized synchronously, the functions are multiple, and the false alarm rate is low; the target spatial resolution of the fine spectrum identification is adjustable, the micro-control unit flipping solution is simple to operate, and quick adjustment is realized; the adaptability is strong, the flipping time of the corresponding micro-control unit is adaptively adjusted for the measured target with too low or too strong radiation intensity, and the dynamic range of the system is effectively improved.

Abstract: A catheter arrangement and use of a catheter arrangement in infusion therapy. The catheter arrangement includes a catheter with a housing body, a hollow needle, a tube fitted onto a distal end of the housing body, a valve element arranged in the housing body with a fluid passage, and a fluid-conducting path extending through the housing body, the fluid passage and the tube. The needle extends longitudinally through the fluid-conducting path in a state of readiness of the catheter arrangement, and is drawn out of the fluid-conducting path in a state of use of the catheter arrangement. The valve element has an elastic wall portion through which the fluid passage extends. The fluid passage can be shifted by a fluid-pressure-induced elastic deformation of the wall portion between an open state, in which the fluid passage is open, and a closed state, in which the fluid passage is closed.

Abstract: Provided is a doorbell system, including an indoor terminal, an outdoor terminal, and a power supply (100). The indoor terminal includes a bell controller (220) and an indoor bell (210) which are connected in parallel; the outdoor terminal includes an outdoor doorbell (310) and an outdoor switch (320); the indoor terminal, the outdoor terminal, and the power supply (100) are connected in series to form a closed loop; in response to the outdoor switch (320) being switched off, the bell controller (220) is turned on, the indoor bell (210) is short-circuited, and the power supply (100) powers the outdoor doorbell (310); and in response to the outdoor switch (320) being switched on, the bell controller (220) is turned off, and the power supply (100) powers the indoor bell (210).

Abstract: Embodiments of a power consumption control apparatus, a processor, and a power consumption control method are disclosed, directed to improving accuracy of power consumption regulation. The power consumption control apparatus includes a constant-frequency clock generator and a power consumption regulator. The power consumption regulator is connected to one or more processing units in a system-on-a-chip. The constant-frequency clock generator provides a constant-frequency clock signal for the power consumption regulator. The power consumption regulator obtains power consumption caused by the one or more processing units in a period of time, and regulates current power consumption of the one or more processing units based on the power consumption.