Abstract: Disclosed is a method for reducing pressure and increasing injection by continuous operation system of biological acid acidification and nano coating, specifically including composition and preparation method of biological acidizing agent and nano coating agent. The method for reducing pressure and increasing injection by continuous operation system of biological acid acidification and nano coating of the present disclosure is able to effectively dredge the stratum water flow channel, reduce the water flow resistance, and achieve the effect of high-efficiency pressure reduction and injection increase of the water injection well.

Abstract: A method for fabricating semiconductor device includes the steps of first providing a substrate having a first region and a second region, forming a first bottom barrier metal (BBM) layer on the first region and the second region, forming a first work function metal (WFM) layer on the first BBM layer on the first region and the second region, and then forming a diffusion barrier layer on the first WFM layer.

Abstract: A sensor includes: a substrate and at least one infrared temperature measurement unit disposed on the substrate. An infrared temperature measurement sub-unit includes: a first support portion, at least one second support portion, a thermocouple, and an infrared absorption portion. The thermocouple includes a first electrode and a second electrode, each of which includes a first end and a second end; the first ends of the first electrode and the second electrode are connected and disposed on the first support portion; the infrared absorption portion is disposed on the first support portion and covers the first ends of the first electrode and the second electrode; the second ends of the first electrode and the second electrode are not connected and disposed on the second support portion; and in the infrared temperature measurement unit, a cavity structure is included between at least the adjacent first and second support portions.

Abstract: The invention relates to the technical field of image processing, and in particular to a method, a system and a device for acquiring a seaweed bed area, and a storage medium. In the acquisition method, firstly, an initial seaweed bed image with fog is firstly subjected to the fog thickness removal which is convenient for quick calculation, checking whether the quality of the fog thickness removal chart meets the requirements. If the quality of fog thickness removal chart is not up to the standard, a more detailed fog concentration removal method is used to improve the image quality of the initial seaweed bed image until the fog concentration removal chart is up to the standard and then feature extraction is performed. If the quality of fog thickness removal chart is up to the standard, the feature extraction is performed directly.

Abstract: The present invention provides biphenyl sulfonamide compounds which are combined angiotensin and endothelin receptor antagonists useful in the treatment of conditions such as diabetic nephropathy and other diseases.

Abstract: The present application provides a lens module, including a lens barrel and a lens. The lens barrel includes a first barrel wall enclosed to form a light-through hole and a second barrel wall bent and extended from the first barrel wall. The first barrel wall includes a first wall arranged around the light-through hole and a second wall connecting the first wall to the second barrel wall. The first wall and the lens are spaced apart to form a first gap. The support portion is abutted against the second wall. The first barrel wall is provided with a recess formed by recessed from the second wall. One end of the recess is extended to a junction between the second wall and the second barrel wall, and the other end thereof is in communication with the first gap. This lens module has good exhaust performance and stable optical performance.

Abstract: An ultrasound scanning control method applied to an ultrasound scanning device is provided. The ultrasound scanning device includes an execution mechanism. The execution mechanism includes a mechanical arm and a probe. The ultrasound scanning control method includes controlling the mechanical arm to drive the probe to move according to a set scanning trajectory for performing an ultrasound scanning detection on a part to be examined. Once an actual pressure value between the probe and the part to be examined in each control cycle is sensed using the force sensor, a pressure value between the probe and the part to be examined is controlled to be a constant value based on the actual pressure value.

Abstract: A flexible circuit board including: a body area including a plurality of wirings; a bonding area combined with a first side of the body area; and an extension area combined with a second side of the body area opposite to the first side. The body area includes a first sub-body area and a second sub-body area located on a side of the first sub-body area close to the extension area; the plurality of wirings at least include a first wiring, a second wiring and a third wiring all extend in the first sub-body area, and the first wiring and the second wiring extend in the second sub-body area. The first sub-body area includes a multi-layer board structure, the second sub-body area includes a single-layer board structure or a double-layer board structure, and a thickness of the second sub-body area is smaller than a thickness of the first sub-body area.

Abstract: The present disclosure provides a pixel unit, a display substrate, a display panel, and a display device. The pixel unit includes a slit electrode having a slit. The pixel unit includes at least two sub-pixels corresponding to different colors, each of the pixels includes n domain areas arranged along a first direction, n is a positive integer greater than or equal to 2, extension directions of the slits of the slit electrodes in any two adjacent domain areas in the n domain areas of the pixel unit are different, an acute angle between an extension direction of the slit in each domain area and a second direction is a predetermined angle, the predetermined angle is greater than or equal to 30° and less than 45°, and the second direction intersects with the first direction.

Abstract: The present disclosure provides a display panel, a manufacturing method and a display device. The display panel includes a first substrate, a second substrate and liquid crystal molecules. Each sub-pixel includes n domains, and at least two of the n domains are arranged in a first direction. An alignment film is arranged on one or both of the first substrate and the second substrate and provided with alignment directions, and/or slit electrodes each with a slit are arranged on one or both of the first substrate and the second substrate. The alignment directions in at least two adjacent domains in the n domains are different and/or extension directions of the slits in any two adjacent domains are different, so that the liquid crystal molecules in different domains are provided with different pretilt angles.

Abstract: A display device includes a controller, a frame, a display panel, an FPC and a force sensing structure; wherein the FPC is disposed on a back side of the display panel and electrically connected to the display panel, and the back side of the display panel is a side opposite to a light-emitting surface of the display panel; the force sensing structure is disposed on the FPC and electrically connected to the controller by the FPC; and the frame is disposed on a side, distal from the display panel, of the FPC, and a specified distance exists between the frame and the force sensing structure.

Abstract: A method for fabricating semiconductor device includes the steps of first providing a substrate having a first region and a second region, forming a first bottom barrier metal (BBM) layer on the first region and the second region, forming a first work function metal (WFM) layer on the first BBM layer on the first region and the second region, and then forming a diffusion barrier layer on the first WFM layer.

Abstract: The present disclosure relates to a display apparatus and an electronic device, relating to the technical field of display. The display apparatus may comprise a display panel, a main circuit board, a bridging circuit board, and a first shielding adhesive tape. The main circuit board may be provided on the back surface of the display panel; the bridging circuit board may be provided at the side of the main circuit board distant from the display panel, and may be connected to the main circuit board in a binding mode; and the first shielding adhesive tape may be provided at the side of the main circuit board distant from the display panel, and expose the bridging circuit board.

Abstract: Provided is a touch flexible printed circuit (FPC), the touch FPC includes a main FPC, a force sensing structure, and a connector; the force sensing structure is integrated in a first area of the main FPC and electrically connected with the main FPC; the connector is disposed in a second area of the main FPC and configured to connect the main FPC with a main board of a touch display device; and the main FPC is provided with a binding area and electrically connected to the touch display panel by the binding area, the first area, the second area, and the binding area being disposed on a same side of the main FPC and the first area being disposed between the second area and the binding area.

Abstract: A photovoltaic tracking method and apparatus, a tracking controller and a photovoltaic tracking system. The method includes: determining an advance adjustment time instant between a previous preset adjustment time instant and a next preset adjustment time instant; obtaining a target tracking angle of a tracking bracket corresponding to the next preset adjustment time instant; and adjusting an angle of the tracking bracket to the target tracking angle in a case that a current time instant is the advance adjustment time instant, wherein the angle of the tracking bracket remains unadjusted at the previous preset adjustment time instant and the next preset adjustment time instant. In this application, the power generation of the photovoltaic module is increased in the time period from the previous preset adjustment time instant to the next preset adjustment time instant, thereby reducing the power loss of the photovoltaic power generation.

Abstract: A method for fabricating a semiconductor device includes the steps of forming a metal gate on a substrate, a spacer around the metal gate, and a first interlayer dielectric (ILD) layer around the spacer, performing a plasma treatment process to transform the spacer into a first bottom portion and a first top portion, performing a cleaning process to remove the first top portion, and forming a second ILD layer on the metal gate and the first ILD layer.

Abstract: A method for fabricating a semiconductor device includes the steps of forming a metal gate on a substrate, a spacer around the metal gate, and a first interlayer dielectric (ILD) layer around the spacer, performing a plasma treatment process to transform the spacer into a first bottom portion and a first top portion, performing a cleaning process to remove the first top portion, and forming a second ILD layer on the metal gate and the first ILD layer.

Abstract: A display device is provided. The display device includes a display panel (20) and a flexible circuit board electrically connected with the display panel (20). The flexible circuit board includes a first circuit board (11), a second circuit board (22) and a conductive portion; the first circuit board (11) includes a first substrate (100), and a main contact pad, a first wire (501) and a second wire (502) provided on the first substrate (100); the second circuit board (22) includes a second substrate (200), a relay contact pad and a third wire (210) provided on the second substrate (200); and the conductive portion is configured for electrically connecting the main contact pad and the relay contact pad.

Abstract: In an aspect for generating a 2-dimensional (2D) building mapping, a computer-implemented method may include one or more processors configured for receiving scanning data in a first file format corresponding to 3-dimensional (3D) aerial Light Detection and Ranging (LiDaR) images. Further, the method may include transforming the first file format to a second file format and transmitting the scanning data to a building semantic segmentation component. Further, the computer-implemented method may include generating semantic segmentation data corresponding to building structures defined by point clusters; generating instance segmentation data corresponding to top surfaces of the building structures; generating building boundary data for each one of the point clusters based on one or more of the semantic segmentation data and the instance segmentation data; and processing the building boundary data to generate a 2D building mapping comprising refined boundary lines for each of the point clusters.

Abstract: The present invention provides a large-effective-mode-area low-loss optical fiber with optimized cladding components, which comprises a core layer and a cladding comprising, from the inside to the outside, a first sinking layer, a second sinking layer, an optional third sinking layer, and an outer cladding. In the present invention, phosphorus and aluminum are co-doped in the optical fiber cladding, to form a tetrahedron [AlPO4] in glass, thus optimizing the viscosity of the cladding while effectively reducing the refractive index of the cladding, without causing increased hydrogen loss. The process is simple, and highly repeatable.