Abstract: The invention provides preparation of a selenium-water-soluble high-molecular polysaccharide hydrogel and use thereof. The preparation method includes: (1) water solution of polysaccharide and seleno-compound was prepared by heating the mixture with stirring; and (2) the solution was cooled with standing within shaped container to obtain the selenium-polysaccharide composite hydrogel. Plant seeds are sown on the surface of the composite hydrogel and cultivated to obtain selenium-rich plants. Shape-controllable hydrogel could be prepared by recycled hydrogel through high-temperature dissolution followed with cooling to realize the effective utilization of selenium in the hydrogel. Compared with the traditional selenium enrichment method, current method showed advances in prevent of selenium pollution, which normally caused by the application of selenium fertilizers.

Abstract: An optical module includes a housing, an optical component, and a power supply component. The housing has a first socket and a second socket. The optical component includes a first optical connector, an optical-to-electrical conversion component, and a second optical connector that are sequentially connected. The power supply component includes a first electrical connector, a power supply line, and a second electrical connector that are sequentially connected. The optical-to-electrical conversion component and the power supply line are both located in the housing, the first optical connector is located in the first socket, the first electrical connector is located at the first socket, and the second optical connector and the second electrical connector are both located in the second socket.

Abstract: An optical module, a communication device, and a Power over Ethernet (PoE) device are provided. The optical module includes a housing, an optical component, and a power supply component. The housing has a first socket and a second socket. The optical component also includes a first optical connector, an optical-to-electrical conversion component, and a second optical connector that are sequentially connected. The power supply component includes a first electrical connector, a power supply line, and a second electrical connector that are sequentially connected. The first socket is configured to insert a composite cable that matches the optical module. A power connector of the composite cable can be connected to the communication device by using the optical module, and the power connector of the composite cable does not need to be inserted into the communication device, so that panel space of the communication device can be reduced and miniaturization facilitated.

Abstract: An optical module includes a housing, an optical component, and a power supply component. A second end of the housing is provided with a second socket, and the second end of the housing is an end part configured to be inserted into an optical communication device. The optical component includes a second optical connector, and the power supply component includes a second electrical connector. Both the optical component and the power supply component are located in the housing, both the second optical connector and the second electrical connector are located in the second socket, and positions of the second optical connector and the second electrical connector are independent of each other.

Abstract: A composite module includes a housing, an optical component, and a power supply component. A first end of the housing is provided with a first socket, and a second end of the housing is provided with a second socket. The optical component includes a first optical connector, an optical-to-electrical conversion component, and a second optical connector. One end of the optical-to-electrical conversion component is connected to the first optical connector, and the other end of the optical-to-electrical conversion component is connected to the second optical connector. The power supply component includes a first electrical connector, a power supply line, and a second electrical connector. One end of the power supply line is connected to the first electrical connector, and the other end of the power supply line is connected to the second electrical connector.

Abstract: The present invention discloses a method and a device for processing information by batch-stream fusion, and a storage medium. The method comprises the following steps: Obtaining an index based on an input query statement; extracting a pre-computed index data segment based on the index as a query result; and extracting a re-computed index data segment to update the query result. The present invention solves the technical problem that real-time data and offline data are difficult to fuse and analyze.

Abstract: The invention provides preparation of a selenium-water-soluble high-molecular polysaccharide hydrogel and use thereof. The preparation method includes: (1) water solution of polysaccharide and seleno-compound was prepared by heating the mixture with stirring; and (2) the solution was cooled with standing within shaped container to obtain the selenium-polysaccharide composite hydrogel. Plant seeds are sown on the surface of the composite hydrogel and cultivated to obtain selenium-rich plants. Shape-controllable hydrogel could be prepared by recycled hydrogel through high-temperature dissolution followed with cooling to realize the effective utilization of selenium in the hydrogel. Compared with the traditional selenium enrichment method, current method showed advances in prevent of selenium pollution, which normally caused by the application of selenium fertilizers.

Abstract: An optical module includes a housing, an optical component, and a power supply component. The housing has a first socket and a second socket. The optical component includes a first optical connector, an optical-to-electrical conversion component, and a second optical connector that are sequentially connected. The power supply component includes a first electrical connector, a power supply line, and a second electrical connector that are sequentially connected. The optical-to-electrical conversion component and the power supply line are both located in the housing, the first optical connector is located in the first socket, the first electrical connector is located at the first socket, and the second optical connector and the second electrical connector are both located in the second socket.

Abstract: An optical module includes a housing, an optical component, and a power supply component. The housing is provided with a first socket and a second socket. The optical component includes a first optical connector, an optical-to-electrical conversion component, and a second optical connector that are sequentially connected. The power supply component includes a first electrical connector, a power supply line, and a second electrical connector that are sequentially connected. Both the optical-to-electrical conversion component and the power supply line are located in the housing, the first optical connector is located in the first socket, a part that is of the first electrical connector and that is exposed from the housing is located at any position at the first end of the housing.

Abstract: An optical module includes a housing, an optical component, and a power supply component. A second end of the housing is provided with a second socket, and the second end of the housing is an end part configured to be inserted into an optical communication device. The optical component includes a second optical connector, and the power supply component includes a second electrical connector. Both the optical component and the power supply component are located in the housing, both the second optical connector and the second electrical connector are located in the second socket, and positions of the second optical connector and the second electrical connector are independent of each other.

Abstract: A composite module includes a housing, an optical component, and a power supply component. A first end of the housing is provided with a first socket, and a second end of the housing is provided with a second socket. The optical component includes a first optical connector, an optical-to-electrical conversion component, and a second optical connector. One end of the optical-to-electrical conversion component is connected to the first optical connector, and the other end of the optical-to-electrical conversion component is connected to the second optical connector. The power supply component includes a first electrical connector, a power supply line, and a second electrical connector. One end of the power supply line is connected to the first electrical connector, and the other end of the power supply line is connected to the second electrical connector.

Abstract: An optical module, a communication device, and a Power over Ethernet (PoE) device are provided. The optical module includes a housing, an optical component, and a power supply component. The housing has a first socket and a second socket. The optical component also includes a first optical connector, an optical-to-electrical conversion component, and a second optical connector that are sequentially connected. The power supply component includes a first electrical connector, a power supply line, and a second electrical connector that are sequentially connected. The first socket is configured to insert a composite cable that matches the optical module. A power connector of the composite cable can be connected to the communication device by using the optical module, and the power connector of the composite cable does not need to be inserted into the communication device, so that panel space of the communication device can be reduced and miniaturization facilitated.

Abstract: The present invention discloses a method and a device for processing information by batch-stream fusion, and a storage medium. The method comprises the following steps: Obtaining an index based on an input query statement; extracting a pre-computed index data segment based on the index as a query result; and extracting a re-computed index data segment to update the query result. The present invention solves the technical problem that real-time data and offline data are difficult to fuse and analyze.

Abstract: An input method is provided. The method includes receiving a touch operation in a first region of a touch screen, the first region corresponding to an input region of a virtual input unit; measuring a pressure of the touch operation; determining a first input key corresponding to a location of the touch operation; and determining an instruction corresponding to the touch operation based on the measured pressure and the first input key.

Abstract: The application provides a network device, which includes: a main control board and a service board, where the main control board includes a processor and a switching chip, and the service board includes a physical layer component. The switching chip is connected to the physical layer component by using a system bus. The system bus consists of a SerDes link, and is configured to transmit service data and control information of a port of the physical layer component. The processor controls the port of the physical layer component by using the control information of the port of the physical layer component. The network device transmits the service data and the control information by using the system bus, so that the service board does not need to set a CPU processing the control information, thereby expanding an interface flexibly, and reducing device complexity and hardware costs.

Abstract: A Bluetooth communication method and a device including a Bluetooth module to perform the method are provided. In the method: the device is renamed so that a name of the device includes a character string. The Bluetooth module searches for a second device whose name includes the same character string or a corresponding character string. The Bluetooth module establishes a connection between the device and the second device. The device transmits data with the second device using the established the connection.

Abstract: An input method is provided. The method includes receiving a touch operation in a first region of a touch screen, the first region corresponding to an input region of a virtual input unit; measuring a pressure of the touch operation; determining a first input key corresponding to a location of the touch operation; and determining an instruction corresponding to the touch operation based on the measured pressure and the first input key.

Abstract: The present disclosure discloses a projection method and an electronic device, belong to an image processing field. The method comprises: obtaining a first image, and obtaining an adjustment instruction, wherein the first image corresponds to first content; adjusting the first image to a second image according to the adjustment instruction, the second image comprising a target image corresponding to the first content; and projecting the second image; wherein when the second image is projected onto intersected planes formed by at least two planes, if an edge of the target image is intersected with an intersection line of the intersected planes, the edge of the target image is or is approximately perpendicular to the intersection line of the intersection planes.

Abstract: A heat sink, including a heat sink body and a filling material. A through hole is disposed in a position, corresponding to a to-be-cooled electronic element, on the heat sink body. The to-be-cooled electronic element is mounted on a circuit board and located between the circuit board and the heat sink body. There is a gap between the to-be-cooled electronic element and the heat sink body. The gap is connected to the through hole. The filling material is injected into the through hole and fills the gap. The present invention further discloses a heat dissipation system having the heat sink. The heat sink resolves problems in the prior art that, a heat sink has low thermal conduction efficiency and it is difficult to control a filling volume of a thermally conductive material in a gap between a heat sink and a chip.