Abstract: The present invention discloses a pipeline patrol inspection robot having variable tracks and a control method therefor. The pipeline patrol inspection robot of the present invention includes a robot body, track assemblies symmetrically disposed on a left side and a right side of the robot body, and a movement driving mechanism. The robot body is connected to the track assemblies on the left side and the right side by track fixtures, and track angle adjusting mechanisms are respectively connected between the robot body and the track assemblies on the left side and the right side. By means of the present invention, a track camber angle can be adjusted. In addition, each track angle adjusting mechanism is independent, and has desirable flexibility to adapt to different pipeline environments.

Abstract: The present invention relates to a method and system for quantitatively evaluating surface roughness of an organic pore of kerogen in shale. The method includes: making a shale sample; applying a circle of silver-painted conductive tape on the edge of the shale sample to obtain a processed sample; conducting image scanning on the processed sample to obtain a scanned image; determining a kerogen area according to the scanned image; determining an organic pore area according to the kerogen area; carrying out gridding treatment on the organic pore area to obtain multiple grid cells; adopting double integral calculation on each of the grid cells to obtain the areas of the multiple grid cells; summing each of the areas to obtain the surface area of the organic pore; and evaluating surface roughness of the organic pore according to the surface area of the pore.

Abstract: Embodiments of this disclosure provide a communication method and device, a storage medium, and a program product. According to the communication method of this disclosure, a physical layer protocol data unit (PPDU) is transmitted or received based on a tone plan of a first bandwidth. The tone plan includes a physical resource unit (PRU), and the PRU includes discrete subcarriers. According to embodiments of this disclosure, an original nominal RU is processed to obtain a PRU including discrete subcarriers. Discretized subcarriers of the PRU may be evenly distributed on a larger bandwidth without changing subcarrier division of the original nominal RU. When it is ensured that a large PAPR is not generated in data transmission due to discrete subcarriers, a transmit end can perform communication at a high transmit power.

Abstract: During a read operation for memory cells connected a selected word line, a memory system adjusts the overdrive voltage applied to word lines adjacent the selected word line in order to compensate for margin degradation between the erased data state and the lowest programmed data state.

Abstract: The application provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes a display region and a binding region located at a periphery of the display region. The binding region is provided with a drive circuit pin and a flexible circuit board pin, and a connecting trace for connecting the drive circuit pin and the flexible circuit board pin. The connecting trace includes a first connecting line and a second connecting line connected in parallel, the first connecting line and the second connecting line are in different layers, the first connecting line is between an interlayer insulating layer and a base substrate of the display substrate, the first connecting line and the interlayer insulating layer are separated by a first insulating layer, and the second connecting line is on a side of the interlayer insulating layer away from the base substrate.

Abstract: A semiconductor device package includes a substrate having a top planar surface and a first semiconductor die electrically connected to the top planar surface of the substrate. The first semiconductor die and substrate define a tunnel and a first molding compound encapsulates the first semiconductor die and fills the tunnel. A second molding compound that is separate and distinct from the first molding compound is mounted on a top surface of the first molding compound. The first molding, when in a flowable state, has a viscosity that is lower than a viscosity of the second molding compound when it is in a flowable state.

Abstract: A liquid crystal display device includes: a substrate; a plurality of vertical organic light-emitting transistors; a data line that supplies a voltage to a gate electrode of the vertical organic light-emitting transistor; a thin-film transistor that is connected between the gate electrode of each of the vertical organic light-emitting transistors and the data line and controls supply of the voltage to the gate electrode of the vertical organic light-emitting transistor; a gate line that is connected to the gate electrode of the thin-film transistor and transmits a signal for switching the thin-film transistor; and a plurality of current supply lines that are wired in a first direction outside a formation region of the vertical organic light-emitting transistor, the current supply lines being in contact with a source electrode of the vertical organic light-emitting transistor to supply a current to the vertical organic light-emitting transistor.

Abstract: A Pickering particle dry powder and a preparation method are used in food processing. The preparation method includes stirring peanut protein isolate and water as raw materials to obtain peanut protein isolate dispersion, subjecting the peanut protein isolate dispersion to ultrasonic treatment, subjecting the resultant to cross-linking reaction with transglutaminase to obtain a monolithic geld, shearing and homogenizing the monolithic gel to obtain a microgel particle dispersion, spray drying the microgel particle dispersion to obtain the Pickering particle dry powder. The Pickering particle dry powder prepared by the ultrasonic-assisted enzyme method is still in nanometer level after rehydration, which is beneficial to preparing Pickering emulsion with strong stability. The preparation method has the advantages of simple operation and low cost, which is beneficial to actual production in the food industry.

Abstract: A power source module for powering a motherboard comprises a rectifier circuit, a controlling unit, and a leakage protection circuit. The rectifier circuit electrically connected with the motherboard converts the input voltage into the first voltage configured for powering the motherboard. The controlling unit electrically connected with the motherboard outputs the control signals based on an operation state of the motherboard. The leakage protection circuit electrically connected with the controlling unit guides the control signals into a signal line before the motherboard being powered. The leakage protection circuit avoids the control signals to the component of the motherboard, and an operation time sequence of the component is not disturbed before being powered. A power distribution board and a server system are also disclosed.

Abstract: Provided are crystalline forms of a KRAS G12C inhibitor compound and to processes for their preparation. Furthermore, provided is pharmaceutical composition comprising said crystalline forms, and at least one pharmaceutically acceptable excipient. The pharmaceutical composition can be used as a medicament, in particular for the treatment of cancer, and KRAS G12C-mutant cancer.

Abstract: A live detection system, a thermal infrared (IR) imager and a method for power grid equipment are provided. The system includes an environmental parameter module for acquiring environmental temperature, humidity and wind speed data; a ranging module for measuring a linear distance to the power grid equipment; an equipment type recognition module for acquiring an image of the power grid equipment, and recognizing a type of the power grid equipment; an equipment material determination module for determining a material type of the power grid equipment; an emissivity setting module for setting an emissivity; an temperature measurement module for obtaining a temperature of the power grid equipment by focusing on positions of the power grid equipment which need temperature measurement; and a report generation module for selecting a corresponding diagnostic model, displaying a temperature measurement position and a temperature value, drawing a conclusion, and generating a report.

Abstract: A low-heat-loss operation method of a line-focusing heat collection system and the line-focusing heat collection system are provided. The method includes the following steps. Solar energy is utilized to preheat a collector tube in an empty tube state, so that the collector tube is in a preheating mode. After a set preheating temperature is reached, a heat transfer working medium is injected into the collector tube. In the injection process of the heat transfer working medium, an injection section of the collector tube is converted into a focusing mode from a preheating mode. After heat collection is finished, the circulation of the heat transfer working medium is stopped, and the focusing mode of the collector tube is kept. In the drainage process of the heat transfer working medium, an emptying section of the collector tube is converted into a light heat-tracing mode from a focusing mode.

Abstract: A test method and device for simulating a customer series deployment environment, an electronic device, and a storage medium are provided. The test method for simulating a customer series deployment environment includes: obtaining traffic data of an on-site protected host; obtaining session data between the on-site protected host and a server on the basis of the traffic data, and extracting application layer data from the session data; and transmitting and receiving the application layer data in a local test environment to carry out simulation test.

Abstract: The present disclosure relates to a fabricated concrete connection structure and a construction method, the structure including shear wall members. Tops of the shear wall members are fixedly connected to a plurality of connection female heads, and the plurality of connection female heads are arranged at equal intervals along length directions of the shear wall members. Reinforcing cage pre-formed holes penetrate through the tops and bottoms of the shear wall members. A plurality of connection male heads are arranged at equal intervals along the length directions of the shear wall members, and the plurality of connection male heads are in one-to-one correspondence with the plurality of connection female heads. One sides of the bottoms of the shear wall members are fixedly connected to folding plates. The present disclosure can achieve the purpose of connecting the shear wall members conveniently and quickly, improving the efficiency and quality of construction.

Abstract: A display substrate includes: a base substrate (100); a plurality of sub-pixels (R, G, B) located on the base substrate (100), every two rows of sub-pixels (R, G, B) constituting a pixel group; a plurality of first gate lines (Gate1) located at first row gaps between the pixel groups, two first gate lines (Gate1) being arranged at each first row gap; and a plurality of photosensors (101), the orthographic projection of each row of photosensors (101) on the base substrate (100) completely covering a second row gap in the pixel group and partially overlapping with the orthographic projections of the sub-pixels (R, G, B), thereby avoiding the bright and dark difference between adjacent rows and ensuring the aperture ratio.

Abstract: Provided is a touch display panel. The touch display panel includes a drive back plate; a light-emitting device, disposed on the drive back plate; an encapsulation layer, disposed on a side of the light-emitting device distal from the drive back plate; and a touch layer, disposed on a side of the encapsulation layer distal from the light-emitting device, wherein the touch layer includes a first touch electrode layer and a second touch electrode layer laminated in sequence, and the touch layer further includes a touch insulating layer.

Abstract: A new variable selective etching technology for thick SOI devices. An SOI material is etched by the following steps: (1) providing an SOI wafer; (2) depositing a composite hard mask with a variable selection ratio to replace a traditional hard mask with an invariable selection ratio; (3) applying a photoresist; (4) mask making, namely defining a to-be-etched region by using a photoetching plate; (5) etching the photoresist in the defined region; (6) etching the composite hard mask; (7) removing the photoresist; (8) etching top silicon by using a second etching method at a first selection ratio; and (9) etching a buried oxide layer by using a third etching method at a second selection ratio. The new variable selective etching technology avoids the damage to a side wall of a deep trench when the buried oxide layer is etched, and does not need to use an excessive thick hard mask.

Abstract: The present disclosure provides a flow battery and a cell stack. The cell stack includes: a first end plate; a second end plate; and at least one cell module arranged between the first end plate and the second end plate. Each cell module includes a first flow channel end plate, a second flow channel end plate arranged opposite to the first flow channel end plate, and single-cell assemblies arranged between the first flow channel end plate and the second flow channel end plate. The single-cell assemblies include at least three hermetically-assembled cell assemblies, the first flow channel end plate is provided with arch-like flow channels, the second flow channel end plate is provided with arch-like flow channels, and each arch-like flow channel is provided with a flow channel aperture in communication with the at least three hermetically-assembled cell assemblies.

Abstract: An automobile hub fixture includes a fixture body and a positioning apparatus. The fixture body includes a fixed platform and a plurality of clamping claws arranged at intervals in a circumferential direction of the fixed platform. The clamping claws are configured to clamp an outer rim of a hub. The plurality of clamping claws are connected to a driving member by using a linkage, and the driving member drives the clamping claws to radially move along the fixed platform. The positioning apparatus includes a movable platform slidably connected to the clamping claws. A positioning module configured to position an inner rim or the outer rim of the hub is mounted to the movable platform. The machining device includes a fixture, a machine tool, and a minimal quantity lubrication apparatus. The production line includes a machining device, a loading system, a loading and unloading manipulator, and a catching table.

Abstract: The present application relates to a curtain rod hanging structure, which includes a vertical rod and a hook body, the hook body is provided on the vertical rod, an installation groove is provided on the inner wall of the hook body, and an adjusting pad is detachably arranged in the installation groove and the adjusting pad is configured to hang the curtain rod. The present application realizes hanging curtain rods with different diameters by replacing the adjusting pad in the installation groove, eliminating the need of replacing the overall curtain rod hanging structure and providing the effect of facilitating the installation and high applicability.