Abstract: A support stand for photography includes a support main body having supporting ends and a mounting end and an adapting device provided at the mounting end. The supporting ends are formed on supporting legs of the support main body. The supporting legs can be unfolded to allow two adjacent supporting ends to move away from each other. The supporting legs can be folded to allow the two adjacent supporting ends to move close to each other and form a gap between two adjacent supporting legs. The adapting device includes a fixed seat provided with an adapting structure for mounting a first photographic equipment and a clamping seat configured to clamp a second photographic equipment. The clamping seat is rotatably connected to the fixed seat. The clamping seat can rotate toward a side where the supporting ends are located to be accommodated in the gap between the two adjacent supporting legs.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, at least one group of contact pads, a plurality of first light-emitting elements, a plurality of first pixel driving circuits, a plurality of connecting traces, a plurality of data lines and a plurality of leads. The display area includes a first display area and a second display area; the first light-emitting elements are located in the first display area; the first pixel driving circuits are located in the second display area; the leads are located in the first display area and the peripheral area, and connect the data lines and the at least one group of contact pads; orthographic projections of the first light-emitting elements on a substrate surface of the base substrate are at least partly overlapped with orthographic projections of the leads on the substrate surface of the base substrate.

Abstract: A photography stand includes a central pipe and a supporting frame. The top of the central pipe is configured to mount photographic equipment. The supporting frame is connected to the central pipe, and provided adjacent to the bottom of the central pipe. The supporting frame moves relative to the central pipe along the axial direction of the central pipe. The supporting frame is unfolded when moving along the axial direction of the central pipe toward the bottom of the central pipe by a preset distance and then moving continuously toward the bottom of the central pipe. The supporting frame is folded when moving along the axial direction of the central pipe toward the top of the central pipe. According to the photography stand, the supporting frame is unfolded automatically after moving along the axial direction of the central pipe toward the bottom of the central pipe by the preset distance.

Abstract: Disclosed is a prediction method for tool remaining life of a numerical control machine tool based on a hybrid neural model, including: constructing a hybrid neural network model, specifically including the following steps: constructing sample data according to the sampling frequency of tool data; obtaining a first feature vector representing the tool life by utilizing a convolutional neural network and a long short-term memory network; generating working condition signals of sampling points into a second feature vector representing the tool life by utilizing an NFM neural network; and inputting a current working time of a tool and the acquired feature vectors into a multi-layer perceptron for fusion to predict the tool life.

Abstract: The present application relates to a method for statistical distribution characterization of dendritic structures in original position of single crystal superalloy, and relates to the technical field of analysis of metal material composition and microstructure, comprising the following steps: step 1, processing a to-be-tested sample and determining a calibration coefficient; step 2, obtaining a two-dimensional element content distribution map of the to-be-tested sample; and step 3, determining the number and average spacing of primary dendrites. A composition distribution region analyzed in the present application is larger than the area of a distribution region of the traditional microscopic analysis method, and the sample preparation is simple. The distribution, number and average spacing of the primary dendrites can be obtained without metallographic corrosion sampling.

Abstract: A display substrate and a display device. The display substrate includes a base, an insulating layer, a crack barrier structure, and a signal line. The crack barrier structure is located in a peripheral area, and at least a part of an orthographic projection of the crack barrier structure onto the base extends in an extension direction of a boundary of a display area. The crack barrier structure includes: a groove structure and a blocking portion, the groove structure is in the insulating layer, and a part of the blocking portion is located in the groove structure. The signal line is located at the peripheral area, and includes a top surface facing away from the base, and a side surface located between the top surface and the base, and at least a part of the side surface away from the display area is between the blocking portion and the groove structure.

Abstract: A photography stand includes a central pipe and a supporting frame. The top of the central pipe is configured to mount photographic equipment. The supporting frame is connected to the central pipe, and provided adjacent to the bottom of the central pipe. The supporting frame moves relative to the central pipe along the axial direction of the central pipe. The supporting frame is unfolded when moving along the axial direction of the central pipe toward the bottom of the central pipe by a preset distance and then moving continuously toward the bottom of the central pipe. The supporting frame is folded when moving along the axial direction of the central pipe toward the top of the central pipe. According to the photography stand, the supporting frame is unfolded automatically after moving along the axial direction of the central pipe toward the bottom of the central pipe by the preset distance.

Abstract: A system and method for controlling a capsule endoscope is provided. The control method includes: measuring a magnetic field value of the environment in which the capsule endoscope is subjected; obtaining a critical magnetic field value for suspension of the capsule endoscope according to the magnetic field value; adjusting a traction force on the capsule endoscope according to the critical magnetic field value for suspension; and controlling the movement of the capsule endoscope in a horizontal and/or vertical direction, wherein the movement of the first magnet is controlled by moving the second magnet, and the capsule endoscope is in a quasi-suspended state as moving in the horizontal and/or vertical direction. The system and method reduce friction between the capsule endoscope and wall of the target area during movement by controlling the capsule endoscope in a quasi-suspended state, which makes the scanning of the target area more accurate.

Abstract: The present invention discloses a method and system for determining orientation of a capsule endoscope. An external magnetic field is provided outside the capsule endoscope, and an internal magnetic field is provided inside the capsule endoscope. Magnetic field data is obtained according to the external magnetic field and the internal magnetic field, and acceleration data of the capsule endoscope is obtained. When the polarization direction of the external magnetic field is horizontal, the orientation information of the capsule endoscope is obtained according to the acceleration data. When the polarization direction of the external magnetic field is non-horizontal, the orientation information of the capsule endoscope is obtained according to the acceleration data and the magnetic field data.

Abstract: Provided is a navigation board, a multi-source data fusion method for a navigation board and a transporter. The navigation board includes a printed circuit board, a global navigation satellite system module, an inertial sensor, a processor, and a data interface; the processor is configured to execute a large misalignment angle initialization algorithm, an inertial strapdown solution algorithm, and a multi-source data fusion solution; and a size of the navigation board is smaller than or equal to a size of a standard GNSS board, and the navigation board at least includes the same data interface as a data interface of the standard GNSS board.

Abstract: A method for forming a three-dimensional (3D) memory device includes forming a cut structure in a stack structure. The stack structure includes interleaved a plurality of initial sacrificial layers and a plurality of initial insulating layers. The method also includes removing portions of the stack structure adjacent to the cut structure to form a slit structure and an initial support structure. The initial support structure divides the slit structure into a plurality of slit openings. The method further includes forming a plurality of conductor portions in the initial support structure through the plurality of slit openings. The method also includes forming a source contact in each of the plurality of slit openings. The method also includes removing portions of the initial support structure to form a support structure. The support structure includes an adhesion portion extending through the support structure.

Abstract: A system and method for controlling a capsule endoscope is provided. The control method includes: measuring a magnetic field value of the environment in which the capsule endoscope is subjected; obtaining a critical magnetic field value for suspension of the capsule endoscope according to the magnetic field value; adjusting a traction force on the capsule endoscope according to the critical magnetic field value for suspension; and controlling the movement of the capsule endoscope in a horizontal and/or vertical direction, wherein the movement of the first magnet is controlled by moving the second magnet, and the capsule endoscope is in a quasi-suspended state as moving in the horizontal and/or vertical direction. The system and method reduce friction between the capsule endoscope and wall of the target area during movement by controlling the capsule endoscope in a quasi-suspended state, which makes the scanning of the target area more accurate.

Abstract: The present disclosure relates to a three-dimensional memory and a manufacturing method thereof. The three-dimensional memory includes: a stack structure comprising a plurality of alternately stacked gate layers and dielectric layers; a plurality of channel structures vertically penetrating the stack structure; a first gate line slit structure extending along a first horizontal direction and dividing the plurality of channel structures into two memory blocks, wherein the first gate line slit structure is partitioned by a plurality of first isolation regions into a plurality of first gate line slit sub-structures; and a plurality of first connection structures each connecting, along the first horizontal direction, adjacent first gate line slit sub-structures partitioned by one first isolation region.

Abstract: Provided is a navigation board, a multi-source data fusion method for a navigation board and a transporter. The navigation board includes a printed circuit board, a global navigation satellite system module, an inertial sensor, a processor, and a data interface; the processor is configured to execute a large misalignment angle initialization algorithm, an inertial strapdown solution algorithm, and a multi-source data fusion solution; and a size of the navigation board is smaller than or equal to a size of a standard GNSS board, and the navigation board at least includes the same data interface as a data interface of the standard GNSS board.

Abstract: A nano composite material aiming at an acidic sealing zone in osteoclasts and a preparation method thereof are provided. The nano composite material aiming at the acidic sealing zone in the osteoclasts includes a nano material, bone-targeting molecules, and a compound able to react with the acidic sealing zone in the osteoclasts, wherein: after being modified by the bone-targeting molecules, the nano material is loaded with the compound able to react with the acidic sealing zone in the osteoclasts. Through accurate mature osteoclast targeting and chemically regulated biocascade effects, the osteoclasts are inhibited, which provides a new idea and a new tool for drug therapy of abnormal osteoclast activation.

Abstract: Aspects of the disclosure provide a semiconductor device. The semiconductor device can include a trench formed in a first dielectric layer, a trench filler layer that fills a portion of the trench, a conductive layer over the trench filler layer, and a second dielectric layer over the conductive layer. The second dielectric layer is disposed in the trench. The semiconductor device can also include a contact structure configured to connect to the conductive layer through a hole in the second dielectric layer.

Abstract: The present disclosure provides an organic light-emitting device including a substrate, a pixel defining layer disposed on the substrate, a plurality of supporting members disposed on the pixel defining layer, and at least one organic light-emitting diode disposed on the substrate. The pixel defining layer defines a plurality of pixel regions. The plurality of pixel regions includes a plurality of first pixel regions, a plurality of second pixel regions, and a plurality of third pixel regions. The supporting members are located at first junction regions between the first pixel regions, the second pixel regions, and third pixel regions. 25 to 350 supporting members are provided on every square millimeter of the substrate. The organic light-emitting diode includes an anode, an organic light-emitting layer, and a cathode. The present disclosure further provides a method for manufacturing the organic light-emitting device and a mask for making the supporting member.

Abstract: The present invention discloses a system and a method for phase contrast microscopy imaging. The system includes a microscope, a light source array, an image acquisition module and a calculation module. The light source array includes a fixture having a through hole and two light source groups arranged around the through hole. The two light source groups emit a first beam and a second beam symmetrically arranged about a optical axis of the microscope to illuminate a specimen. The light beams enter and get scattered in the specimen and are obliquely transmitted through the specimen, and collected by the microscope after passing through the through hole. The image acquisition module acquires a first image corresponding to the first beam and a second image corresponding to the second beam. The calculation module obtains a phase contrast image according to the first and second image.

Abstract: A method for forming a 3D memory device is disclosed. The method includes forming an alternating dielectric stack on a substrate. Then a plurality of channel structures and dummy channel structures vertically penetrating the alternating dielectric stack are formed, The channel structures are located in a core region, and the dummy channel structures are located in a staircase region. A gate line silt structure is formed vertically penetrating the alternating dielectric stack and laterally extending in a first direction. The gate line silt structure includes a narrow portion that has a reduced width along a second direction different from the first direction.

Abstract: The present invention discloses a method and system for determining orientation of a capsule endoscope. An external magnetic field is provided outside the capsule endoscope, and an internal magnetic field is provided inside the capsule endoscope. Magnetic field data is obtained according to the external magnetic field and the internal magnetic field, and acceleration data of the capsule endoscope is obtained. When the polarization direction of the external magnetic field is horizontal, the orientation information of the capsule endoscope is obtained according to the acceleration data. When the polarization direction of the external magnetic field is non-horizontal, the orientation information of the capsule endoscope is obtained according to the acceleration data and the magnetic field data.