Abstract: The present application discloses a multi-channel grid-connected power generation system and a control method therefor, which lowers the system cost while reducing no-load losses of all step-up transformers. Multi-channel energy conversion devices in the system are each connected in parallel, by means of a step-up transformer, to the same collector line, one end of the collector line is connected to the grid by means of a switch device, and the on-off switching of the switch device is controlled by a control unit. The control unit sends a switch-off command to the switch device when same has determined that all of the energy conversion devices have entered a non-operating state.

Abstract: An antenna element comprises one or more directors, a resonator, and a three dimensional ground assembly. Parts of the antenna element are arranged on three metal layers. A top layer has an unconnected metal bar which forms a beam director, a resonator and a top part of the ground assembly. The resonator is an integral piece substantially in the form of a loop connected to a feed line and a feed line terminal ending. The feed line terminal ending serves as the ground plane for the feed line as well as providing impedance matching from the external transceiver circuit to the resonator. The ground assembly includes a top layer ground connected to a plurality of metallized half cylindrical hole channels (or metallized via holes) which connect to a ground terminal in a bottom layer.

Abstract: A method and an apparatus for establishing a forwarding path, the method including obtaining, by a first network node, path information of a to-be-established forwarding path, where the path information comprises an identifier of a network node on the forwarding path and a transmission resource requirement that needs to be allocated by the network node to the forwarding path, and sending a path establishment request packet based on the path information, where a packet header of the path establishment request packet comprises the path information, and where the path establishment request packet triggers the network node to allocate a transmission resource to the forwarding path based on the transmission resource requirement.

Abstract: Disclosed are a stress-resistant, creep-resistant, high-temperature resistant and high-insulation sheath material for a maglev train cable, and a manufacturing method and use thereof. A multiple chemical crosslinking structure is constructed by blending a functional polyvinylsilicone grease with ultra-high molecular weight polyethylene (UHMWPE) and a ceramicized silicone rubber as a cable material matrix and using electron beam irradiation. In addition, organic/inorganic fillers in the matrix can form physical crosslinking points in the material. A physical-chemical dual crosslinking structure is constructed in the matrix, which can limit the motion and relaxation of molecular chains and improve the interaction between the insulation layer and sheath layer and refractory layers such as fillers and mica tapes to avoid the relative displacement during the laying and operation and improve the high-temperature resistance, creep resistance and stress relaxation resistance of a UHMWPE cable sheath material.

Abstract: An image decoding method performed by a decoding device, according to the present document, comprises the steps of: obtaining a flag indicating whether one chroma quantization parameter table is applied to chroma components; obtaining chroma quantization parameter data on the basis of the flag; deriving the chroma quantization parameter table on the basis of the chroma quantization parameter data; deriving a chroma quantization parameter for the chroma components on the basis of the chroma quantization parameter table; deriving residual samples for the chroma components on the basis of the chroma quantization parameter; and generating a reconstructed picture on the basis of the residual samples.

Abstract: Disclosed are a control method and a control device of an apparatus and an apparatus using the control device. The control method includes: detecting whether an outdoor unit of the apparatus enters a standby state; and controlling the outdoor unit to enter a low power consumption mode for controlling a drive of the outdoor unit to be powered off after detecting that the outdoor unit enters the standby state.

Abstract: Provided is a voice coil wire for a sound generating device, comprising a wire body and a cavity provided in the wire body, the wire body is configured to be applied with a current signal, wherein the cavity is in a vacuum state or is filled with an insulating gas. Also provided is a voice coil, the voice coil is provided with the voice coil wire. Also provided is a sound generating device. By filling the cavity of the voice coil wire with the insulating gas or configuring the cavity to be in the vacuum state, the weight of the voice coil wire can be reduced, so the influence of skin effect on the voice coil wire is reduced, and the utilization rate of the voice coil wire is improved.

Abstract: The present disclosure provides methods and apparatuses for signaling subpicture partitioning information. An exemplary method includes: determining, according to a subpicture information present flag signaled in a bitstream, whether the bitstream comprises subpicture information; and in response to the bitstream comprising the subpicture information, signaling in the bitstream at least one of: a number of subpictures in a picture, a width, a height, a position, and an identifier (ID) mapping of a target subpicture, a subpic_treated_as_pic_flag, and a loop_filter_across_subpic_enabled_flag.

Abstract: The application provides a multifunctional robotic device including a body, an energy unit installed in the body, a power unit powered by the energy unit, the power unit including an output shaft wherein the output shaft is located at the lower part of the body and exposed from the body, and at least two working units, the working unit is detachably connected to output shaft of the power unit and driven by the power unit.

Abstract: A fairing and a fan device are provided according to the present disclosure. The fairing includes a fairing body which is arranged at a fan air vent, the fairing body has a fairing area, which is annular and is located at a periphery of a geometric center of the fairing body, and the fairing area is provided with a fairing through hole. In the fairing according to the present disclosure, the fairing body has the fairing area, the fairing area is provided with the fairing through hole, and the fairing body is configured to arranged at the fan air vent, so that the airflow is faired through the fairing through hole, the fairing area is annular and is located at the periphery of the geometric center of the fairing body, so that the fairing body has no fairing through hole at its geometric center.

Abstract: A switching power supply structure includes a housing, a base and circuit boards, where the housing and the base enclose a cavity for accommodating the circuit boards, and a first heat dissipation channel is formed at an opening of the cavity; the housing consists of a top plate and two side plates, and a plurality of heat dissipation holes, including polygonal holes, are reserved in the housing in an array form, which forms a second heat dissipation channel. The first and second heat dissipation channels are provided, with the heat dissipation holes of the second heat dissipation channel having polygonal structures, which enlarges the heat dissipation area, achieving simple structure and good heat dissipation effect. Furthermore, due to the structural optimization of the housing and the base, the automation degree of product assembly is improved, thus lowering the cost of materials for the entire power supply housing structure.

Abstract: Provided are a feedback information transmission method and apparatus, a base station, a user equipment and a storage medium. The method includes sending a setting parameter of a physical downlink control channel (PDCCH) search space; sending a scheduled dedicated uplink resource grant or a scheduled dedicated downlink resource grant through the PDCCH search space; and in response to receiving a physical uplink shared channel (PUSCH) of a user equipment (UE), sending a PUSCH feedback indication to the UE through the PDCCH search space so that the UE stops sending the remaining repetition number of the PUSCH.

Abstract: Examples of the disclosure relate to communication methods and apparatuses, an access point, stations and a computer readable medium. An embodiment of the method comprises: determining, at an access point and based on determining that a direct link between stations based sensing procedure is triggered, a first station and a second station associated with the sensing procedure; and transmitting, to at least one of the first station and the second station, a sensing performing request for performing the sensing procedure. In this way, target sensing between non-access-point stations is achieved, such that sensing coverage is extended and a sensing effect is improved.

Abstract: The present disclosure relates to the treatment of cancer using a combination therapy comprising Compound 1 and/or tautomers thereof or a pharmaceutically acceptable salt or hydrate thereof, and one or more PARP inhibitors. Compound I.

Abstract: A multifunctional speaker device is provided and includes a housing with an accommodating space, a sounder in the accommodating space, a motor assembly, and an auxiliary magnetic circuit unit. The sounder includes a frame, a vibration unit, and a magnetic circuit unit. The motor assembly includes an elastic member and a vibrator including driving coils. The vibrator. The driving coils are located at a side of the magnetic circuit unit away from the vibration unit. The auxiliary magnetic circuit unit is fixed to a side of the housing away from the vibrator and is directly opposite to and spaced apart from the magnetic circuit unit. The driving coils are spaced apart from each other between the magnetic circuit unit and the auxiliary magnetic circuit unit. The multifunctional speaker device provided by the disclosure can greatly enhance performance of the motor and sounder, and achieve good user experience.

Abstract: The invention relates to the technical field of aluminum alloy surface treatment, in particular to the technical field of IPC C23C, and more specifically to a pretreatment method of an aluminum alloy coil. The invention can improve adhesion of an adhesive and weldability of an aluminum alloy at the same time through a specific pretreatment method combined with a specific treatment solution, and an aluminum alloy substrate after pretreatment has good compatibility with subsequent permanent anti-corrosion treatment, so that the pretreatment method is very suitable for welding or bonding of aluminum alloy parts of automobile bodies.

Abstract: A beehive indoor-air alternate-working dehumidification system includes a fresh air dehumidification sterilization system. The fresh air dehumidification sterilization system includes a fan, a filter, a dehumidification apparatus, a moisture absorbing material, a plasma generator, a temperature and humidity sensor, a heater, and a three-way valve. A hexagonal prism beehive structure is used in a dehumidification apparatus, and a novel moisture absorbing material with high moisture absorption and high temperature sensitivity is used to dehumidify fresh air, to improve a dehumidification capacity and reduce dehumidification energy consumption. The plasma generator generates ions to sterilize and deodorize fresh air. The temperature and humidity sensor detects humidity of fresh air, determines whether the material needs desorption. The heater heats return air to enable the return air to desorb a saturated moisture absorbing material.

Abstract: The present application relates to a fire alarm device, the device comprising: an application-specific integrated circuit ASIC for performing one or more of bus communication, smoke detection, and button status detection, wherein the application-specific integrated circuit ASIC comprises: a storage unit for storing configuration data; a hardware encoder/decoder for communicating with a bus; and a logic circuit for receiving a parsed command from the hardware decoder and providing a returned command to the bus via the hardware encoder based on the configuration data, the returned command is used to indicate whether a fire exists. The present application also relates to a fire alarm system.