Abstract: The present disclosure discloses a multilayer annular pore nickel-cobalt-aluminum precursor and a preparation method and a positive electrode material thereof. The precursor D50 is 8 to 20 ?m. It may be seen from a section diagram that there is a plurality of layers of annular pores in a secondary spherical particle structure, and a average porosity value of the section with a single particle or a plurality of particles is 6% to 14%. A co-precipitation reaction of nickel-cobalt mixed salt solution, alkali-aluminum solution, a complexing agent, and a precipitating agent is performed, a pH value and a concentration of aluminum solution at each stage are strictly controlled, and then working procedures of solid-liquid separating, washing, drying, mixing, sieving, and demagnetizing are performed to obtain the multilayer annular pore nickel-cobalt-aluminum precursor.

Abstract: The present disclosure discloses a gradient single-crystal positive electrode material, which has a chemical formula of LiNixCoyA1-x-yO2@mLiaZbOc, wherein 0<x<1, 0<y<1, 0<x+y<1, 0<m<0.05, 0.3<a?10, 1?b<4, and 1?c<15, A is at least one of Mn, Zr, Sr, Ba, W, Ti, Al, Mg, Y, and Nb, and Z is at least one of B, Al, Co, W, Ti, Zr, and Si. The atomic ratio of the content of Co on the surface of the single-crystal positive electrode material particle to the content of Ni+Co+A on the surface is greater than 0.4 and less than 0.8, and the atomic ratio of Co at a depth 10% of the radius from the surface of the single crystal positive electrode material particle is not less than 0.3; and the single-crystal positive electrode material particle has a roundness of greater than 0.4, and is free from sharp corners.

Abstract: The present disclosure discloses a gradient single-crystal positive electrode material, which has a chemical formula of LiNixCoyA1-x-yO2@mLiaZbOc, wherein 0<x<1, 0<y<1, 0<x+y<1, 0<m<0.05, 0.3<a?10, 1?b<4, and 1?c<15, A is at least one of Mn, Zr, Sr, Ba, W, Ti, Al, Mg, Y, and Nb, and Z is at least one of B, Al, Co, W, Ti, Zr, and Si. The atomic ratio of the content of Co on the surface of the single-crystal positive electrode material particle to the content of Ni+Co+A on the surface is greater than 0.4 and less than 0.8, and the atomic ratio of Co at a depth 10% of the radius from the surface of the single crystal positive electrode material particle is not less than 0.3; and the single-crystal positive electrode material particle has a roundness of greater than 0.4, and is free from sharp corners.

Abstract: A method for reconstructing a defect includes: S1, establishing a database of magnetic flux leakage signals of a unit defect and acquiring a magnetic flux leakage signal of the unit defect; S2, acquiring a target magnetic flux leakage signal; S3, initially setting a scaling factor k; S4, constructing a forward model; S5, inputting the k into the forward model and performing forward prediction according to the k to acquire a predicted magnetic flux leakage signal for the defect to be detected; S6, calculating an error between the target magnetic flux leakage signal and the predicted magnetic flux leakage signal, and determining whether the error is smaller than an error threshold ?, if yes, executing S7; otherwise, executing S5 after the k is corrected; and S7, scaling the unit defect according to the k to acquire a final size of the defect to be detected.

Abstract: In one embodiment, a packet switching device is configured to operate as a spoke or a hub in a Dynamic Multipoint Virtual Private Network (DMVPN) using one or more initially negotiated service overlay capabilities including service encapsulation to use in communicating service overlay data packets between the packet switching device and another device (e.g., spoke, hub) of the DMVPN over an established tunnel (e.g., secure protocol channel). The packet switching device is further configured to negotiate updated one or more service overlay capabilities including updated service encapsulation to use in communicating service overlay data packets with another device (e.g., spoke, hub) without dropping the already established tunnel. In one embodiment, the negotiation between the packet switching device and another device (e.g., spoke, hub) of the DMVPN uses Next Hop Resolution Protocol (NHRP). In one embodiment, the service encapsulation uses Network Service Header (NSH).

Abstract: An electronic device is provided, including a main body and a PCI-E insert row. The main body has a substrate, a light-emitting module and a light-guiding portion. The light-emitting module has a carrier board and a light-emitting portion disposed on the carrier board, the light-guiding portion is arranged corresponding to the light-emitting portion, and at least a part of light from the light-emitting portion is projected to outside of the electronic device through the light-guiding portion. The PCI-E insert row is disposed on the substrate, and the PCI-E insert row is for being electrically connected with the PCI-E insert slot.

Abstract: A method for reconstructing a defect includes: S1, establishing a database of magnetic flux leakage signals of a unit defect and acquiring a magnetic flux leakage signal of the unit defect; S2, acquiring a target magnetic flux leakage signal; S3, initially setting a scaling factor k; S4, constructing a forward model; S5, inputting the k into the forward model and performing forward prediction according to the k to acquire a predicted magnetic flux leakage signal for the defect to be detected; S6, calculating an error between the target magnetic flux leakage signal and the predicted magnetic flux leakage signal, and determining whether the error is smaller than an error threshold ?, if yes, executing S7; otherwise, executing S5 after the k is corrected; and S7, scaling the unit defect according to the k to acquire a final size of the defect to be detected.

Abstract: A solid state disk is provided, including: a main body, a light-emitting module and a light-guiding portion. The main body includes a shell portion, a substrate disposed in the shell portion and a memory module disposed on the substrate. The substrate further has a transmit port electrically connected with the memory module. The light-emitting module has a board disposed on the main body and a light-emitting portion disposed on the board. The light-guiding portion is disposed corresponding to the light-emitting portion. At least partial light from the light-emitting portion is transmitted outside the solid state disk through the light-guiding portion.

Abstract: A solid state disk is provided, including: a main body, including a shell portion, a substrate disposed on the shell portion and a memory module disposed on the substrate, the shell portion having a light-penetrable shell portion, the substrate having a light-penetrable portion and a first face, the substrate integrally formed with the light-penetrable portion, the first face having a first coating layer which has an emergent light-penetrable portion corresponding to the light-penetrable portion, the light-penetrable shell portion corresponding to the emergent light-penetrable portion, the substrate including a transmission port, the memory module electrically connected to the transmission port; a light-emitting portion, disposed on the main body and electrically connected to the transmission port, a light emitted from the light-emitting portion being penetrable through the light-penetrable portion and the emergent light-penetrable portion and via the light-penetrable shell portion to an exterior of the solid

Abstract: A solid state disk is provided, including: a main body, including a shell portion, a substrate disposed on the shell portion and a memory module disposed on the substrate, the shell portion having a light-penetrable shell portion, the substrate having a light-penetrable portion and a first face, the substrate integrally formed with the light-penetrable portion, the first face having a first coating layer which has an emergent light-penetrable portion corresponding to the light-penetrable portion, the light-penetrable shell portion corresponding to the emergent light-penetrable portion, the substrate including a transmission port, the memory module electrically connected to the transmission port; a light-emitting portion, disposed on the main body and electrically connected to the transmission port, a light emitted from the light-emitting portion being penetrable through the light-penetrable portion and the emergent light-penetrable portion and via the light-penetrable shell portion to an exterior of the solid

Abstract: A solid state disk is provided, including: a main body, including a shell portion, a substrate which is disposed on the shell portion and a memory module which is disposed on the substrate, the substrate including a transmission port, the memory module being electrically connected to the transmission port; at least one light-emitting portion, disposed on the substrate and electrically connected to the transmission port; at least one scattering light-guiding portion, arranged on the substrate correspondingly to the light-emitting portion without covering any part of the at least one light-emitting portion, each said scattering light-guiding portion having a scattering structure, at least one part of light emitted from each said light-emitting portion projecting toward the scattering structure and the light being scattered evenly via the scattering light-guiding portion to an exterior of the solid state disk.

Abstract: In one embodiment, a packet switching device is configured to operate as a spoke or a hub in a Dynamic Multipoint Virtual Private Network (DMVPN) using one or more initially negotiated service overlay capabilities including service encapsulation to use in communicating service overlay data packets between the packet switching device and another device (e.g., spoke, hub) of the DMVPN over an established tunnel (e.g., secure protocol channel). The packet switching device is further configured to negotiate updated one or more service overlay capabilities including updated service encapsulation to use in communicating service overlay data packets with another device (e.g., spoke, hub) without dropping the already established tunnel. In one embodiment, the negotiation between the packet switching device and another device (e.g., spoke, hub) of the DMVPN uses Next Hop Resolution Protocol (NHRP). In one embodiment, the service encapsulation uses Network Service Header (NSH).

Abstract: A solid state disk is provided, including: a main body, including a shell portion having a light-penetrable shell portion, a substrate disposed on the shell portion and a memory module disposed on the substrate, the substrate having a light-penetrable portion and a first face and integrally formed with the light-penetrable portion, the first face having a first coating layer which has an emergent light-penetrable portion, the light-penetrable shell portion corresponding to the emergent light-penetrable portion, the substrate including a transmission port, the memory module electrically connected to the transmission port; a light-emitting portion, buried in the substrate and electrically connected to the transmission port, a light emitted from the light-emitting portion being capable of being projected toward an interior of the substrate to the light-penetrable portion and the emergent light-penetrable portion and via the light-penetrable shell portion to an exterior of the solid state disk.

Abstract: A system for alternating lighting-emitting of PCI-E strip is provided, including a plurality of PCI-E strip s and an application program. Each PCI-E strip includes a processing unit and a lighting-emitting unit. The processing unit is able to trigger the lighting-emitting unit to emit light in a preset mode. The lighting-emitting units define a lighting-emitting module. The application program is installed in a mobile electronic device. The application program sends a signal to the processing units of the PCI-E strip s via the mobile electronic device to make each said processing unit control the light-emitting unit to emit light and make the light-emitting module emit light in a preset mode.

Abstract: A system for alternating lighting-emitting of solid state disc (SSD) is provided, including a plurality of SSDs and an application program. Each SSD includes a processing unit and a lighting-emitting unit. The processing unit is able to trigger the lighting-emitting unit to emit light in a preset mode. The lighting-emitting units define a lighting-emitting module. The application program is installed in a mobile electronic device. The application program sends a signal to the processing units of the SSDs via the mobile electronic device to match with and identify the SSDs, and the application program can make each said processing unit control the light-emitting unit to emit light and make the light-emitting module emit light in a preset mode.

Abstract: The present invention provides a treatment method for recycling dyeing residual liquids. The method comprises the following steps: adding an organic liquid into the acidic dyeing residual liquids to separate colored substances in the dyeing residual liquids into the organic liquid so as to decolorize the dyeing residual liquids; and, recycling the decolorized dyeing residual liquids in accordance with a dyeing process.

Abstract: A solid state disk is provided, including: a main body, a light-emitting module and a light-guiding portion. The main body includes a shell portion, a substrate disposed in the shell portion and a memory module disposed on the substrate. The substrate further has a transmit port electrically connected with the memory module. The light-emitting module has a board disposed on the main body and a light-emitting portion disposed on the board. The light-guiding portion is disposed corresponding to the light-emitting portion. At least partial light from the light-emitting portion is transmitted outside the solid state disk through the light-guiding portion.

Abstract: An electronic device is provided, including a main body and a PCI-E insert row. The main body has a substrate, a light-emitting module and a light-guiding portion. The light-emitting module has a carrier board and a light-emitting portion disposed on the carrier board, the light-guiding portion is arranged corresponding to the light-emitting portion, and at least a part of light from the light-emitting portion is projected to outside of the electronic device through the light-guiding portion. The PCI-E insert row is disposed on the substrate, and the PCI-E insert row is for being electrically connected with the PCI-E insert slot.