Abstract: The present disclosure relates to a communication device such as a multiplexer or a demultiplexer, comprising: a housing comprising a common first port and a plurality of second ports; a plurality of cavity filters for transmitting a wireless signal between the first port and a corresponding one of the second ports, each of the plurality of cavity filters comprising one or more cavities formed in the housing and a resonator arranged in each cavity; and a coupler for coupling the first port to each cavity filter. The coupler is arranged in one cavity of each cavity filter, and is coupled to the resonator in the one cavity.

Abstract: A method for prefabricating pore defects by controlling a SLM process, including performing laser scanning on a specified metal melt layer (LY) according to a first scan path (P1) and a second scan path. The first scan path (P1) and the second scan path (P2) have a path overlap zone (A0), the path overlap zone (A0) has a predetermined width, and laser energy input superimposed in the path overlap zone (A0) is controlled to reach a predetermined energy value, whereby keyholes are formed at a plurality of positions in a lengthwise direction of the path overlap zone (A0), the specified metal melt layer (LY) is taken as a defect layer, and the keyholes in the path overlap zone (A0) is taken as pore defects.

Abstract: An optical connector has a connector housing assembly for holding one or more ferrules, the connector housing assembly having a height align a vertical alignment axis and a width perpendicular to the height. The connector housing assembly includes an inner front body and an outer release component, the outer release component being movable in relation to the inner front body between a front position and a back position. The optical fiber connector is configured to mate with a receptacle having an upper receptacle hook such that the upper receptacle hook is received in the upper receptacle hook recess and latches with the upper hook retainer surface when the outer release component is in the front position and such that the upper ramp lifts the upper receptacle hook out of the upper receptacle hook recess when the outer release component moves to the back position.

Abstract: The disclosure provides a power management method. The power management method is applicable to an electronic device. The electronic device is electrically coupled to an adapter, and includes a system and a battery. The adapter has a feed power. The battery has a discharge power. The power management method of the disclosure includes: reading a power value of the battery; determining a state of the system; and discharging power to the system, when the system is in a power-on state and the power value is greater than a charging stopping value, by using the battery, and controlling, according to the discharge power and the feed power, the adapter to selectively supply power to the system. The disclosure further provides an electronic device using the power management method.

Abstract: Embodiments of the present disclosure provide a crystal growth device including: a crucible including a raw material cavity for placing a raw material and a growth cavity for crystal growth; and at least one insulation device disposed on at least one side surface outside the crucible.

Abstract: An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer body, an inner front body accommodating the two or more LC-type optical ferrules, ferrule springs for urging the optical ferrules towards a mating connection, and a back body for supporting the ferrule springs. A removable inner front body for polarity change is disclosed. A multi-purpose rotatable boot assembly for polarity change is disclosed. The multi-purpose boot assembly can be pushed and pulled to insert and remove the micro connector from an adapter receptacle.

Abstract: The present disclosure relates to a cover for a cavity filter, comprising a cover body made of plastic and an inner metal layer applied on an inner side of the cover that is in contact with a cavity of the cavity filter, wherein a capacitance-influencing structure is provided on the inner side of the cover and comprises a recess formed in the cover body and/or a protrusion integrally formed with a base of the cover body and/or a non-metallized area in the inner metal layer. The present disclosure also relates to a cavity filter comprising the above-said cover.

Abstract: An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer body, an inner front body accommodating the two or more LC-type optical ferrules, ferrule springs for urging the optical ferrules towards a mating receptacle, and a back body for supporting the ferrule springs. The outer body and the inner front body are configured such that four LC-type optical ferrules are accommodated in a small form-factor pluggable (SFP) transceiver footprint or eight LC-type optical ferrules are accommodated in a quad small form-factor pluggable (QSFP) transceiver footprint. A mating receptacle (transceiver or adapter) includes internal alignment slots configured to accept a corresponding alignment key on connector outer housing to ensure alignment and orientation for maximum signal transfer between opposing ferrule end faces.

Abstract: A method for performing homologous recombination between at least a first nucleic acid molecule and a second nucleic acid molecule which share at least one region of sequence homology. A method for improving the efficiency of homologous recombination.

Abstract: A triple-mode resonator includes a main body having a block of a dielectric material and an overlay of conductive material on the block; a first set of coupling windows provided in the overlay of conductive material on a first face of the main body to be coupled with a first single-mode resonator, and through which signals can be coupled into the main body; and a second set of coupling windows provided in the overlay of conductive material on a second face of the main body to be coupled with a second single-mode resonator, and through which signals can be coupled out of the main body, wherein the first and second sets of coupling windows each include an annular coupling window and a plurality of neighboring coupling windows located adjacent to the annular coupling window.

Abstract: The present disclosure relates to a dielectric cavity resonator, comprising: a metallic resonance cavity having a cuboid shape defining three orthogonal axes x, y, z substantially aligned with walls of the metallic resonance cavity and having a central axis extending in the z direction; a dielectric core provided in the metallic resonance cavity, the dielectric core comprising: a central part extending coaxially with respect to the central axis of the metallic resonance cavity; and four columnar parts arranged around the central part and integrally formed with the central part and each extending in the z direction and having a petal-like shape in an x-y cross-section perpendicular to the z direction, every two adjacent columnar parts being spaced by a groove, the dielectric core being centrosymmetric and axisymmetric in each x-y cross-section perpendicular to the z direction, wherein the metallic resonance cavity has a square cross-section, and in each petal-like cross-section, each columnar part extends in a

Abstract: Disclosed are a dual-motor multi-gear hybrid transmission system and a vehicle. The dual-motor multi-gear hybrid transmission system includes an engine, a first motor, a second motor, a first clutch, a second clutch, a first planet row, a second planet row, a first input shaft, a second input shaft, a third input shaft and a brake assembly. The first input shaft is connected to the engine through the first clutch. The second input shaft is connected to the engine through the second clutch, and the second input shaft is sleeved outside the first input shaft. The first motor is connected to the engine. The second motor is connected to the first planet row through the third input shaft. The brake assembly is configured to brake the first planet row and/or the second planet row.

Abstract: A method for developing an epoxy resin impregnated glass fiber Direct Current (DC) bushing, comprising: according to length parameters of each layer of capacitive screen or resistive screen designed depending on insulation requirements, selecting bushing design parameters, determining a winding machine program according to the bushing design parameters, and winding a core body according to the winding machine program, wherein during the core body winding process, the core body begins to be initially cured; after the core body is wound, curing the core body by an oven according to a preset oven temperature and duration; machining the cured core body according to a preset core body design drawing; after the inner wall of a flange is polished and cleaned and is heated and pretreated by the oven, injecting glue at the position of a glue injection hole of the flange for gluing the core body and the flange; sequentially assembling a collector ring, a hollow composite insulator, and a voltage-equalizing sealing cove

Abstract: A ketorolac liquid composition, a preparation method therefor, and an application thereof are provided. The ketorolac liquid composition contains ketorolac tromethamine, a stabilizer, a buffer, an osmotic pressure regulator, and a pH regulator. The ketorolac liquid composition does not contain ethanol. The concentration of ketorolac tromethamine is 0.15 mmol/L-160.00 mmol/L, and the concentration refers to a ratio of a molar amount of the ketorolac tromethamine to a volume of the ketorolac liquid composition. The ketorolac liquid composition does not contain an organic solvent, has stable physical and chemical properties, and has less in-vivo irritation.

Abstract: The present disclosure relates to the field of biomedicine, in particular to an anti-PD-L1 antibody and the use thereof. The anti-PD-L1 antibody or the antigen-binding fragment thereof provided in the present disclosure binds to a PD-L1 protein with a high affinity and high specificity, can effectively block the interaction between PD-L1 expressed on a cell surface and PD-1, and has the biological function activity of stimulating the production of cytokine, and has wide application prospects.

Abstract: A pazopanib oral pharmaceutical composition, and a preparation method therefor and the use thereof are provided. The pazopanib oral pharmaceutical composition contains an active drug, a polymer carrier, an organic solvent and/or water. The active drug is 5-[[4-[(2,3-dimethyl-2H-indazol-6-yl)methylamino]pyrimidin-2-yl]amino]-2-methylbenzenesulfonamide as represented by formula I or a salt thereof. Dispersion of pazopanib in the form of a solution can significantly improve the solubility and dissolution rate of pazopanib, can significantly increase the drug bioavailability, and can also improve the compliance of a patient and solve the problems of dysphagia in elderly patients, etc.

Abstract: The present application relates to the field of biomedical technology, and specifically, provides an anti-PD-1 humanized antibody or an antigen-binding fragment thereof and an application thereof. The antibody can efficiently and specifically bind to PD-1, and can effectively block the binding of the PD-1 to PD-L1 and PD-L2. Therefore, the antibody or antigen-binding fragment thereof, and its related nucleic acid, vector, cell or pharmaceutical composition can be used to prepare a medicament for the treatment of PD-1-mediated diseases or conditions.