Abstract: A camera module structure, comprising: an upper housing (1) and a lens (2). The upper housing (1) comprises an accommodating part (11); the lens (2) is mounted in the accommodating part (11). The structure further comprises a circlip (3). The circlip (3) comprises a press part (31) and a clamp part (32). A guide groove (12) is provided on the upper housing (1). A clamp groove (21) is provided on the external peripheral wall of the lens (2). The clamp part (32) is engaged in the clamp groove (21) of the lens (2) along the guide groove (12). The camera module structure is convenient to assemble, and compared with screw connection, adhesive connection and other modes, problems such as vibration, falling-off and fracture would not happen, the imaging quality is good, and the service life is long.

Abstract: The present disclosure provides a detection substrate, including: a base substrate, detection pixel units arranged in an array on the base substrate, where each detection pixel unit includes: a thin film transistor and a photoelectric conversion part located on a side of the thin film transistor, and a bias voltage line is arranged on a side of the photoelectric conversion part. The thin film transistor includes: an active layer, a first electrode and a second electrode, and the active layer including a channel region. At least one dielectric layer is provided between the photoelectric conversion part and the bias voltage line, and is formed with a first via hole therein, and at least part of an orthographic projection of the channel region on the base substrate is located within an orthographic projection of the first via hole on the base substrate. A flat panel detector is further provided.

Abstract: The embodiments of the present disclosure provide a detection substrate, a preparation method thereof and a flat panel detector. An orthographic projection of a first electrode on the base substrate is set to be at least partially overlapped with an orthographic projection of an active layer of a thin film transistor on the base substrate, a first protruding part is arranged on a side, close to a corresponding data line, of the first electrode, an orthographic projection of the first protruding part on the base substrate is located between the orthographic projection of the active layer on the base substrate and an orthographic projection of the data line on the base substrate.

Abstract: A large-span corridor structure composed of arc-shaped cantilever trusses and stay cable supporting structures is provided, comprising cantilever trusses with arc-shaped facades, orthogonal connecting trusses at a corridor, connecting trusses at cantilever portions, corridor truss structures, and stay cable supporting structures; the cantilever trusses with arc-shaped facades are composed of two sets of ultra-long cantilever trusses with arc-shaped facades and triquetrous planes which are supported by ground and symmetrical, and each are set of ultra-long cantilever trusses with arc-shaped facades and triquetrous planes are formed of several ultra-long cantilever trusses with arc-shaped facades and triquetrous planes arranged in parallel at a certain distance.

Abstract: The invention relates to a space curved reticulated shell structure formed by stacking and combining rhombic dodecahedrons, comprising a one-way curved reticulated shell structure, a positive curvature two-way curved reticulated shell structure and a negative curvature two-way curved reticulated shell structure, the array combined revolution body is generated by rotating the orthogonal array combination body around the space rotation axis by a certain angle; boundary cutting structures are generated by the plane boundary in span direction or the curved boundary in span direction cutting the array combined revolution body; the plane boundary cutting structure respectively generates a one-way curved reticulated shell structure, a positive curvature two-way curved reticulated shell structure and a negative curvature two-way curved reticulated shell structure respectively through one-way bending arching, positive curvature two-way bending arching and negative curvature two-way bending arching.

Abstract: A detection substrate, a noise reduction method therefor and a detection device are disclosed. The detection substrate includes a base substrate, the base substrate including a noise reduction region; a plurality of first photosensitive devices in the noise reduction region; a plurality of reading lines and a plurality of scanning lines, where the plurality of reading lines and the plurality of scanning lines are arranged in different layers from the plurality of first photosensitive devices, and the plurality of reading lines and the plurality of scanning lines are in different layers and crossing over each other; and a plurality of first transistors in the noise reduction region, where the first transistor is disconnected from at least one of the first photosensitive device, the reading line or the scanning line.

Abstract: The present disclosure provides a detection substrate, including: a base substrate, detection pixel units arranged in an array on the base substrate, where each detection pixel unit includes: a thin film transistor and a photoelectric conversion part located on a side of the thin film transistor, and a bias voltage line is arranged on a side of the photoelectric conversion part. The thin film transistor includes: an active layer, a first electrode and a second electrode, and the active layer including a channel region. At least one dielectric layer is provided between the photoelectric conversion part and the bias voltage line, and is formed with a first via hole therein, and at least part of an orthographic projection of the channel region on the base substrate is located within an orthographic projection of the first via hole on the base substrate. A flat panel detector is further provided.

Abstract: A method for optimizing design and manufacture of a self-supporting structure based on multi-axis 3D printing are provided, which comprises the following steps: using a structural topology optimization method based on an SIMP model to achieve the optimal configuration design of a complex structure, converting an image into a binary image, and post-processing the result of topology optimization; determining an overhanging angle of a structure boundary, and determining the printing direction of different printing partitions according to the classification; performing integrated optimization of angle constraints; extracting structural information, establishing a 3D solid model, and then partitioning and slicing the model, and generating a printing path for self-supporting multi-axis 3D printing manufacturing. The present disclosure has the beneficial effects that the self-supporting structure is generated in the optimization process, no additional support is needed in the printing process.

Abstract: A testing device for the internal lateral casting of spatial K-type inclined column grid and the testing method thereof comprises steps: constructing a testing device for the internal lateral casting of spatial K-type inclined column grid; selecting the testing location of the inclined column cross-section; obtaining imaging results of the inclined column cross-section testing locations; determining the concrete quality and taking supplementary testing.

Abstract: The present invention relates to a monocular or multi-ocular camera device including a lens module, a front housing, a rear housing and a fastening mechanism, the front housing having a through hole. The lens module includes a lens module block, a sensor board, and a printed circuit board connected to the sensor board. The fastening mechanism is configured to fix the lens module block passing through the through hole to the front housing. The monocular or multi-ocular camera device of the present invention is highly stable, highly reliable and highly adjustable.

Abstract: The embodiments of the present disclosure provide a detection substrate, a preparation method thereof and a flat panel detector. An orthographic projection of a first electrode on the base substrate is set to be at least partially overlapped with an orthographic projection of an active layer of a thin film transistor on the base substrate, a first protruding part is arranged on a side, close to a corresponding data line, of the first electrode, an orthographic projection of the first protruding part on the base substrate is located between the orthographic projection of the active layer on the base substrate and an orthographic projection of the data line on the base substrate.

Abstract: A propulsion control device of a 3D printing-based tunnel boring machine, includes two propulsion control modules, and each of which includes tunnel support assemblies, a propulsion control assembly and a barrel body, where a propulsion sliding sleeve is arranged on an outer surface, and several tunnel support assemblies are arranged on an outer side of each propulsion sliding sleeve. Support plates on the two propulsion control modules alternately rise to support a 3D printed tunnel pipe. In the propulsion control module with the support plates in a closed state, a propulsion hydraulic cylinder controls a propulsion hydraulic cylinder extending end to contract, so as to pull the propulsion sliding sleeve to a front section of the barrel body; and in the propulsion control module with the support plates in a support state, the barrel body continuously advances relative to the propulsion sliding sleeve.

Abstract: Disclosed is a pullout force measurement test device based on an anchor group effect of a marine pipeline, and a measurement method. The test device includes a support frame, a winch, a lifting plate, an upper hanging rope, a force measuring mechanism mounted on the upper hanging rope, two anchor plate mechanisms, and two lower hanging ropes, where each pair of the lower hanging ropes and the anchor plate mechanisms are located on both sides of the upper hanging rope; each anchor plate mechanism includes a model box, a soil sample filled in the model box, an anchor plate embedded in the soil sample, and a pulley assembly used for adjusting a pullout angle of the anchor plate; one end of each lower hanging rope is connected to the lifting plate, and the other end thereof is connected to the anchor plate of the corresponding anchor plate mechanism.

Abstract: The embodiments of the present disclosure provide a detection substrate, a preparation method thereof and a flat panel detector. An orthographic projection of a first electrode on the base substrate is set to be at least partially overlapped with an orthographic projection of an active layer of a thin film transistor on the base substrate, a first protruding part is arranged on a side, close to a corresponding data line, of the first electrode, an orthographic projection of the first protruding part on the base substrate is located between the orthographic projection of the active layer on the base substrate and an orthographic projection of the data line on the base substrate.

Abstract: A test device and method for studying influence of external load on soil arching effect of shield tunnel, including a test chamber, a tunnel model and a control module. The tunnel model, including segments which are meshed with each other and can move relatively, the tunnel model is installed in the middle of the test chamber, and all sides of the tunnel model is filled with a test soil, the control module, including a set of deceleration motors and a variable cross-section guide rod, the variable cross-section guide rod is inserted into the tunnel model, which can reduce the diameter of the tunnel model, resulting in ground loss and soil arching effect.

Abstract: A test device and method for studying influence of external load on soil arching effect of shield tunnel, including a test chamber, a tunnel model and a control module. The tunnel model, including segments which are meshed with each other and can move relatively, the tunnel model is installed in the middle of the test chamber, and all sides of the tunnel model is filled with a test soil, the control module, including a set of deceleration motors and a variable cross-section guide rod, the variable cross-section guide rod is inserted into the tunnel model, which can reduce the diameter of the tunnel model, resulting in ground loss and soil arching effect.

Abstract: A radiation detector having a plurality of pixels is provided. A respective one of the plurality of pixels includes a base substrate; a thin film transistor on the base substrate; an insulating layer on a side of the thin film transistor away from the base substrate; a photosensor on a side of the insulating layer away from the base substrate; a passivation layer on a side of the photosensor away from the base substrate; a scintillation layer on a side of the passivation layer away from the base substrate; and a reflective layer on a side of the scintillation layer away from the base substrate. The photosensor includes a first polarity layer in direct contact with the passivation layer. All sides of the first polarity layer other than a side internal to the photosensor are entirely in direct contact with the passivation layer.

Abstract: The embodiments of the present disclosure provide a detection substrate, a preparation method thereof and a flat panel detector. An orthographic projection of a first electrode on the base substrate is set to be at least partially overlapped with an orthographic projection of an active layer of a thin film transistor on the base substrate, a first protruding part is arranged on a side, close to a corresponding data line, of the first electrode, an orthographic projection of the first protruding part on the base substrate is located between the orthographic projection of the active layer on the base substrate and an orthographic projection of the data line on the base substrate.

Abstract: A radiation detector having a plurality of pixels is provided. A respective one of the plurality of pixels includes a base substrate; a thin film transistor on the base substrate; an insulating layer on a side of the thin film transistor away from the base substrate; a photosensor on a side of the insulating layer away from the base substrate; a passivation layer on a side of the photosensor away from the base substrate; a scintillation layer on a side of the passivation layer away from the base substrate; and a reflective layer on a side of the scintillation layer away from the base substrate. The photosensor includes a first polarity layer in direct contact with the passivation layer. All sides of the first polarity layer other than a side internal to the photosensor are entirely in direct contact with the passivation layer.

Abstract: A camera module structure, comprising: an upper housing (1) and a lens (2). The upper housing (1) comprises an accommodating part (11); the lens (2) is mounted in the accommodating part (11). The structure further comprises a circlip (3). The circlip (3) comprises a press part (31) and a clamp part (32). A guide groove (12) is provided on the upper housing (1). A clamp groove (21) is provided on the external peripheral wall of the lens (2). The clamp part (32) is engaged in the clamp groove (21) of the lens (2) along the guide groove (12). The camera module structure is convenient to assemble, and compared with screw connection, adhesive connection and other modes, problems such as vibration, falling-off and fracture would not happen, the imaging quality is good, and the service life is long.