Abstract: A back plate configured to support a circuit board includes a body. The body defines a central recess formed into a top surface thereof, and a raised main support column extending from the central recess and adapted to support the circuit board.

Abstract: An electronic apparatus includes a main circuit board, an electronic device, side circuit boards, and a pressure applying unit. The electronic device is installed on and electrically connected to the main circuit board. The side circuit boards are positioned at edges of the electronic device on a side of the electronic device away from the main circuit board and electrically connected to the electronic device. The pressure applying unit is positioned on a side of the electronic device and on each of the side circuit boards away from the main circuit board. The pressure applying unit applies pressure: 1) to the side circuit boards to maintain an electrical connection between the side circuit boards and the electronic device; and 2) to side regions of the electronic device to maintain an electrical connection between the main circuit board and the electronic device.

Abstract: Provided are a high-intensity focused ultrasound apparatus (10) and a control method. According to the high-intensity focused ultrasound apparatus (10), by providing a focusing transducer (120) having a freely transformable shape, after an entire transducer assembly (100) extends into an inner cavity of an object to be treated, the transducer assembly (100) can extend through a narrow part into the inner cavity of an object to be treated, and after extending into the inner cavity of the object to be treated, the shape of the focusing transducer (120) in the transducer assembly (100) changes, so that the effective area of the focusing transducer (120) increases, and the ultrasonic energy produced increases, thereby enhancing the irradiation intensity for a region to be treated, and satisfying normal operation requirements of the transducer assembly (100).

Abstract: A method for administering a composition for exploiting natural gas hydrates. The method includes the following steps: injecting the reagent A into the tube A; injecting the reagent B into the tube B; stretching the tube A and the tube B into a hydrate reservoir by using a reagent injection instrument; regulating a flow rate according to a proportion of each component; allowing the reagents to react at a preset reservoir position; and allowing water in the reservoir to participate in the reaction at the same time, wherein a reaction product is used for supporting the reservoir.

Abstract: A telescopic machine core, may include a shell, a sliding wheel disc a bracket, wherein the top of the shell is bolted with the motor, the output shaft of the motor is connected with the reciprocating screw rod through the coupling, the reciprocating screw rod is provided with two symmetrical spiral grooves, the inner cavity of the spiral groove is slidably connected with the driving block, the spiral groove of the reciprocating screw rod drives the sliding wheel disc through the driving block, the top of the reciprocating screw rod penetrate through the bracket and is connected with two eccentric wheels by key connection, both sides of the top of the bracket are integrally formed with the fixing bracket, and the opposite side of the fixing bracket is rotatably connected with the head supporting shaft.

Abstract: The invention provides a power tool, a motor and a rotor assembly of the motor. The rotor assembly includes a rotating shaft, and a rotor body, a limiting member and a cooling fan fixed on the rotating shaft, the limiting member and the cooling fan are respectively arranged at both axial ends of the rotor body, the rotor body includes a rotor core and magnets fixed in the rotor core, the limiting member and the cooling fan jointly limit an axial displacement and a radial displacement of the magnets.

Abstract: Disclosed is an electronic expansion valve. The electronic expansion valve includes a valve seat provided with a valve cavity and a valve port, wherein the valve port is arranged at an end portion of the valve cavity; a guide sleeve fixedly arranged on the valve seat, the guide sleeve is provided with a first guide hole, and the first guide hole is in communication with the valve cavity; and a valve needle movably arranged in the guide sleeve, wherein a first end of the valve needle penetrates out of the first guide hole to be arranged corresponding to the valve port, the valve needle is in clearance fit with the first guide hole, the valve needle is configured to control the valve port to be opened or closed, and a swingable amplitude of the valve needle in the first guide hole ranges from 0.4° to 2.4°.

Abstract: A resource sharing method and apparatus, a terminal, and a network device are provided. The method includes: determining, by the terminal, a first uplink emission power of a first user identification card and a second uplink emission power of a second user identification card, wherein a sum of the first uplink emission power and the second uplink emission power is less than or equal to a maximum uplink emission power of the terminal.

Abstract: Provided is a wireless communication method. The method is applicable to a terminal device, and includes: transmitting first information to a network device, wherein the first information includes target carriers and/or target bandwidth parts (BWPs) corresponding to a plurality of transmit links of the terminal device, wherein the target carriers and/or the target BWPs corresponding to the plurality of transmit links are configured to determine reference direct current (DC) carrier positions corresponding to the plurality of transmit links.

Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. A main body plate of an insulation holder includes a first surface and a second surface. A first wall plate and a second wall plate of the holder are both provided on the first surface and opposite to each other in the length direction of the main body plate. The first wall plate bends and extends away from the main body plate in the thickness direction of the main body plate. The second wall plate bends and extends away from the main body plate in the thickness direction of the main body plate. The main body plate, the first wall plate, and the second wall plate jointly define a receiving space to receive the explosion-proof-valve holder, and are all spaced apart from the explosion-proof-valve holder to form an airflow channel.

Abstract: The present disclosure relates to an energy storage device and an electrical equipment. The energy storage device includes a housing, a jellyroll, a connecting sheet, and a top cover. The jellyroll is provided with a tab, and the connecting sheet includes a side wing part. The energy storage device includes a welding structure composed of the tab and the side wing part. A tab sheet farthest from the side wing part in the tab sheets included by the tab is a first tab sheet, the welding structure forms a welding area on the first tab sheet. An area of the welding area is S1, an area of the side wing part is S2, and a projection area of the first tab sheet on a plane where the side wing part is located is S3, wherein 0.4?S1/S2?0.8, 0.14?S1/S3?0.28.

Abstract: Fluorine-containing triazole derivatives as potent LPA1 antagonists were successfully discovered. Among them, one compound demonstrated great inhibition activity of LPA-induced cell survival, migration, and invasion on a breast cancer cell line. Our findings further support the role LPA plays in breast cancer. These results provide a new alternative for the development of novel targeted therapy for the treatment of breast cancer.

Abstract: Embodiments of the present application provide a terminal calibration method, apparatus, device, and storage medium. The method includes: sending to a network device calibration capability information of a terminal device; receiving calibration configuration information which is determined by the network device based on the calibration capability information; and performing a calibration procedure according to the calibration configuration information.

Abstract: Fluorine-containing triazole derivatives as potent LPA1 antagonists were successfully discovered. Among them, one compound demonstrated great inhibition activity of LPA-induced cell proliferation, migration, and invasion on a breast cancer cell line. Our findings further support the role LPA plays in breast cancer. These results provide a new alternative for the development of novel targeted therapy for the treatment of breast cancer.

Abstract: A power control method and apparatus, a computer device, and a storage medium are provided. A UE receives SUL carrier information sent by an NR normal base station. Power control information is obtained according to the SUL carrier information. An uplink transmission power of the UE is adjusted according to the power control information. The SUL carrier information is used to indicate that an SUL band and an NR normal band are deployed in different station sites and whether there is a target band deployed in a co-station with the SUL band. A spectrum interval between the target band and the SUL band is less than or equal to a preset threshold value. When the SUL band and the NR normal band are deployed in different station sites, the UE may determine the power control information through the SUL carrier information, thereby adjusting an uplink power control of the UE.

Abstract: The present disclosure provides an energy-storage device and an electricity-consumption device. The energy-storage device includes a housing, an electrode assembly, an end cap assembly, and a lower plastic assembly. The housing has an opening and is provided with an accommodating cavity in communication with the opening, and the accommodating cavity is configured to store fluid. The lower plastic assembly includes a cover plate and two distribution members connected to the cover plate. Each distribution member is provided with a reflux tank, and the reflux tank is configured to collect fluid flowing out from the accommodating cavity and distribute fluid into the accommodating cavity. Each reflux tank defines a first distribution channel and a second distribution channel in a length direction of the lower plastic assembly. Fluid flow capacity of the first distribution channel is greater than fluid flow capacity of the second distribution channel.

Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. A main body plate of an insulation holder includes a first surface and a second surface. A first wall plate and a second wall plate of the holder are both provided on the first surface and opposite to each other in the length direction of the main body plate. The first wall plate bends and extends away from the second wall plate in the thickness direction of the main body plate. The second wall plate bends and extends away from the first wall plate in the thickness direction of the main body plate. The main body plate, the first wall plate, and the second wall plate jointly define a receiving space to receive the explosion-proof-valve holder, and are all spaced apart from the explosion-proof-valve holder to form an airflow channel.

Abstract: An end cover assembly, an energy-storage apparatus, and an electricity-consumption device are provided. A main body plate of an insulation holder includes a first surface and a second surface. A first wall plate and a second wall plate of the holder are both provided on the first surface and opposite to each other in the length direction of the main body plate. The first wall plate bends and extends away from the second wall plate in the thickness direction of the main body plate. The second wall plate bends and extends away from the first wall plate in the thickness direction of the main body plate. The main body plate, the first wall plate, and the second wall plate jointly define a receiving space to receive the explosion-proof-valve holder, and are all spaced apart from the explosion-proof-valve holder to form an airflow channel.

Abstract: A circuit board assembly includes a chip, a first loading board, a circuit board, an intermediate board and a second loading board. The first loading board is arranged on the chip, and the circuit board is electrically connected to the chip. The intermediate board is arranged on the circuit board and positions the chip. The second loading board is arranged on a side of the circuit board opposite the intermediate board. The second loading board includes a plurality of protrusions and indentations formed on a first side thereof opposing the circuit board.

Abstract: The present disclosure relates to an energy storage device and an electrical equipment. The energy storage device includes a housing, a jellyroll, a connecting sheet, and a top cover. The jellyroll is provided with a tab, and the connecting sheet includes a side wing part. The energy storage device includes a welding structure composed of the tab and the side wing part. A tab sheet farthest from the side wing part in the tab sheets included by the tab is a first tab sheet, the welding structure forms a welding area on the first tab sheet. An area of the welding area is S1, an area of the side wing part is S2, and a projection area of the first tab sheet on a plane where the side wing part is located is S3, wherein 0.4?S1/S2?0.8, 0.14?S1/S3?0.28.