Abstract: Provided is an antenna apparatus, the antenna apparatus comprising a first antenna unit, which is arranged at one end of a terminal device; and a second antenna unit, which is arranged at one end of the terminal device. The first antenna unit comprises a first side frame, a first built-in antenna, a first ground wire, and a first feed point, wherein a first end of the first side frame is connected to the first built-in antenna and the first ground wire, and a second end of the first side frame is provided with the first feed point; and the second antenna unit comprises a second side frame, a first switch, a second ground wire, a connecting wire, a second built-in antenna, a third built-in antenna, and a second feed point.

Abstract: A direct plug-in power bank and a power bank protective cover are disclosed. The direct plug-in power bank includes a power bank body and an output connector detachably mounted to the power bank body. A movable restricting member of the power bank body is movably fitted with a first restricting portion of the output connector for restricting the output connector. The connection between the power bank body and the output connector is stable and reliable, thereby improving user experience.

Abstract: Embodiments of the present invention provide an antenna structure for a mobile terminal. The antenna structure comprises a first antenna to a sixth antenna, a matching circuit, and a feed point; a spacer region is provided between the first antenna and the second antenna; a fourth antenna is disposed on one side of the spacer region, the fifth and fourth antennas are disposed opposite to each other, and the third antenna and the feed point are disposed on the side edge of the fifth antenna; the fifth, sixth and third antennas are electrically connected, and the matching circuit is connected to the fifth antenna, the sixth antenna, the third antenna, and the feed point.

Abstract: A mobile terminal includes: a casing including a metal frame and a rear cover, wherein the metal frame is provided with a plurality of slots to divide the metal frame into a plurality of metal parts arranged at intervals; an antenna bracket being provided with a plurality of wirings; a first antenna assembly including a plurality of antenna structures, wherein the plurality of antenna structures are formed based on a plurality of metal parts arranged at intervals and a plurality of wirings, and a working frequency band of the plurality of antenna structures is a sub-6G frequency band; and a second antenna assembly including a plurality of millimeter-wave antenna modules, wherein a working frequency band of the plurality of millimeter-wave antenna modules is a millimeter-wave frequency band.

Abstract: A composting device includes a stirring device, a conveyor belt and a decomposing device. The stirring device, the conveyor belt and the decomposing device are connected successively. A composting method is further provided. An efficient device that can mix livestock and poultry manure, straws and additives fully and uniformly is researched and developed, a conventional method is broken, new innovation is achieved, and the efficiency is improved.

Abstract: Embodiments of the present disclosure provide a memory detection method and detection apparatus, for detecting a current-leakage bitline. The method includes: a memory including a plurality of memory cells, a plurality of sense amplifiers, and the sense amplifier including a power line providing a low potential voltage and a power line providing a high potential voltage; writing first memory data to each of the memory cells; performing a reading operation after the first memory data is written; acquiring a first test result based on a difference between first real data and the first memory data; performing the reading operation again to read second real data in each of the memory cells; acquiring a second test result based on a difference between the second real data and second memory data; and acquiring a specific position of the current-leakage bitline based on the second test result and the first test result.

Abstract: An LED device, an LED backlight module, and a display are provided. The LED backlight module includes an LED light plate, a diffusion plate, and an optical film. The LED light plate includes a driving circuit, a substrate, and LED devices on the substrate. The LED device includes a transparent LED frame, an LED chip disposed on a bottom portion of the transparent LED frame, and a packaging glue layer formed inside the transparent LED frame and covering the LED chip. A diffusion agent is distributed in the packaging glue layer. The optical film includes a brightening film, an MOP film, and a QBEF film. According to the LED device, with the transparent LED frame and the packaging glue layer containing the diffusion agent, the LED device can provide wide-angle and uniform illumination.

Abstract: A method for manufacturing a trench gate device includes: forming a trench in a substrate with a super junction structure; forming a gate dielectric layer in the trench; forming a polysilicon gate by filling a portion of the trench with polysilicon; forming an intermediate dielectric layer in the trench; forming an auxiliary polysilicon layer by filling a gap in the trench with polysilicon; forming a source region of the trench gate device in the substrate; depositing an interlayer dielectric layer, and forming contacts in the interlayer dielectric layer, wherein the polysilicon gate, the auxiliary polysilicon layer, and the source region are led out from the contacts; and connecting the led-out auxiliary polysilicon layer to the led-out source region.

Abstract: The present invention discloses a compilation method for a reliability test load spectrum of a high-speed bearing of an electric drive system. The method comprises the following steps: based on load data of a whole life cycle of an electric drive system, correlating a leading failure load of a high-speed bearing; counting an action frequency of each load level by a multi-dimensional load joint counting method; constructing a bearing mechanical balance equation; determining a reliability test load level by damage contribution distribution and cumulative damage contribution distribution of different load levels; according to a principle of a consistent overall frequency and consistent damage, determining a time of the reliability test load level; and in combination with extreme load working conditions, finally constructing a reliability test load spectrum of the high-speed bearing.

Abstract: Provided is an antenna apparatus, the antenna apparatus comprising a first antenna unit, which is arranged at one end of a terminal device; and a second antenna unit, which is arranged at one end of the terminal device. The first antenna unit comprises a first side frame, a first built-in antenna, a first ground wire, and a first feed point, wherein a first end of the first side frame is connected to the first built-in antenna and the first ground wire, and a second end of the first side frame is provided with the first feed point; and the second antenna unit comprises a second side frame, a first switch, a second ground wire, a connecting wire, a second built-in antenna, a third built-in antenna, and a second feed point.

Abstract: The present disclosure provides a method for fabricating an anti-reflective layer on a quartz surface by using a metal-induced self-masking etching technique, comprising: performing reactive ion etching to a metal material and a quartz substrate by using a mixed gas containing a fluorine-based gas, wherein metal atoms and/or ions of the metal material are sputtered to a surface of the quartz substrate, to form a non-volatile metal fluoride on the surface of the quartz substrate; forming a micromask by a product of etching generated by reactive ion etching gathering around the non-volatile metal fluoride; and etching the micromask and the quartz substrate simultaneously, to form an anti-reflective layer having a sub-wavelength structure.

Abstract: Embodiments of the present disclosure provide a memory detection method and detection apparatus, for detecting a current-leakage bitline. The method includes: a memory including a plurality of memory cells, a plurality of sense amplifiers, and the sense amplifier including a power line providing a low potential voltage and a power line providing a high potential voltage; writing first memory data to each of the memory cells; performing a reading operation after the first memory data is written; acquiring a first test result based on a difference between first real data and the first memory data; performing the reading operation again to read second real data in each of the memory cells; acquiring a second test result based on a difference between the second real data and second memory data; and acquiring a specific position of the current-leakage bitline based on the second test result and the first test result.

Abstract: The present invention relates to a cleaning liquid on a silicon oxide film and/or a silicon nitride film, and the cleaning liquid contains (i) at least one compound selected from the group consisting of a compound represented by the formula (1), a compound represented by formula (2), a compound represented by formula (3), and a compound represented by the formula (4); and (ii) a reducing agent; in the above formulas, R1 to R12 and n are the same as the definitions described in the description.

Abstract: An aerial seeding bioremediation method for a coal mining subsidence area. The method includes obtaining a topographic map of the coal mining subsidence area; grading the topographic map in terms of ground slopes; determining seeding coefficients of aerial seeding operation according to a grading result of the ground slopes and ground coverage rates of the coal mining subsidence area; determining height adjustment parameters during unmanned aerial vehicle, UAV, aerial seeding; and performing, by a UVA, the aerial seeding operation according the grading result of the ground slopes, the seeding coefficients of the aerial seeding operation, and the height adjustment parameters. A slop grading technical standard of aerial seeding determined by the method of the present disclosure is applicable to complex topography of the coal mining subsidence area and helps with safety of the UVA.

Abstract: An unmanned aerial vehicle control method and device, and a storage medium. The method comprises: when a first beacon frame sent by a sender is scanned, feeding a first access request back to the sender; sending a second beacon frame to detect whether a first unmanned aerial vehicle which feeds back a second access request according to the second beacon frame exists; if the first unmanned aerial vehicle exists, feeding back confirmation information according to the second beacon frame; and upon receipt of an action instruction sent by the sender, sending the action instruction to the first unmanned aerial vehicle.

Abstract: The present disclosure discloses a trench gate semiconductor device, wherein a trench gate includes a trench formed in a semiconductor substrate, and a gate oxide layer formed on a bottom surface and a side surface of the trench; the gate oxide layer is formed by stacking a first oxide layer and a second oxide layer; the first oxide layer is a furnace tube thermal oxide layer; the second oxide layer is a PECVD oxide layer; the gate oxide layer has a thermally densified structure processed by means of RTA. The present disclosure also discloses a method for manufacturing a trench gate semiconductor device. The present disclosure can increase BVGSS of the device, without affecting the threshold voltage of the device, with simple processes and low costs.

Abstract: A high-temperature quick-opening spherical sealing shut-off valve that includes a valve body, a valve seat, a valve cover, a valve clack, a valve rod, and a driving device for driving the valve rod to rotate. A friction-adjusting mechanism is mounted on the valve rod. The valve rod is arranged coaxially and connected to the valve clack. A gas outlet passage is formed in the valve body and the valve cover. The valve clack and valve seat are located in the path of the gas outlet passage. The valve seat is mounted in the valve body and has a first through hole communicating with the gas outlet passage. The valve clack has a second through hole corresponding to the first through hole. The gas outlet passage has three states: open when the first hole fully overlaps the second hole, half-open when the holes partially overlap, and closed when no overlap.