Abstract: A bolter miner includes a rack, a cutting device and a bolt support device. The cutting device is configured for a cutting operation and is arranged on the rack to swing up and down. The bolt support device includes a lifting assembly, a work platform, a first drilling frame assembly and a stabilization assembly. The lifting assembly is arranged between the rack and the work platform and is configured to lift the work platform. The first drilling frame assembly and the stabilization assembly are arranged on the work platform. The first drilling frame assembly has a bolt support position and an avoidance position. The work platform can extend and retract to switch the bolt support position and the avoidance position of the first drilling frame assembly. The stabilization assembly can be supported between the cutting device and a tunnel roof, so as to enhance the stability of the first drilling frame assembly during a bolt support operation.

Abstract: A display panel is provided, including: a base substrate; a pixel circuit on the base substrate, the pixel circuit includes a transistor including an active layer, a gate electrode, a first electrode and a second electrode; and a fingerprint recognition circuit including a photosensitive circuit, a storage circuit and an output circuit, the storage circuit includes a first capacitor including a first capacitance electrode and a second capacitance electrode; the first capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first capacitor or the second electrode, and/or, the second capacitance electrode is arranged in the same layer as at least one of the gate electrode, the active layer, the first electrode or the second electrode; the first capacitance electrode is located in a layer different from a layer where the second capacitance electrode is located.

Abstract: A calibration and verification system for a directional sensor, including an industrial control computer and a directional sensor, wherein the industrial control computer is connected to a sensor signal acquisition system, a first triaxial Helmholtz coil and a second triaxial Helmholtz coil, respectively, wherein a heating calibration turntable is disposed in the first triaxial Helmholtz coil and configured to heat and calibrate the directional sensor, and wherein a high-precision inclination and azimuth test turntable is disposed in the second triaxial Helmholtz coil and configured to verify the directional sensor.

Abstract: A silica-encapsulated nano-phase change material and its preparation method are provided. An n-octadecane SiO2 nanoscale phase change material is prepared by sol-gel and microemulsion coupling under alkaline conditions using silica as the shell material and n-octadecane as the core material in a microcapsule and using ethyl n-silicate as the silica source, cetyltrimethylammonium bromide as the emulsifier, and water and ethanol as the solvents. The materials prepared have a particle size of about 500 nm, a phase transition temperature of 27.7° C., a latent heat of phase transition of 159.74 J/g, and an elevated thermal decomposition temperature of 50° C. increase compared with that of the existing n-octadecane.

Abstract: A handheld end of an endoscope includes a housing, an insertion end positioning assembly and a self-locking assembly. The self-locking assembly is hinged to the housing. The housing includes an insertion port. The insertion end positioning assembly includes a positioning member, a first positioning nut and a threaded steel tube. The positioning member is inserted into the insertion port. The threaded steel tube is in threaded fit with the first positioning nut. The first positioning nut is fixed in the positioning member. The insertion end positioning assembly further includes a through hole and a fixing member. The fixing member is fit with the through hole to abut against the threaded steel tube. The threaded steel tube is fit with the positioning member to fix an axial position of the positioning member. A second nut is fit with a fixing screw to fix a rotational position of the positioning member.

Abstract: Toy construction kits comprise a plurality of components, including a plurality of primary construction pieces and one or more of a basic elongate connector, a detail connector piece, a manipulable connector, a secondary construction piece, and/or a detailed piece. Each primary construction piece comprises a unitary body that comprises a first lobe, a second lobe adjacent to the first lobe, and a bridge that interconnects the first and second lobes. The first and second lobes define respective first-lobe and second-lobe openings to respective first-lobe and second-lobe interior volumes. The interior volume of each lobe is configured to receive, via the corresponding lobe opening, and retain a lobe of another primary construction piece in a friction-fit arrangement. Some of the additional components may define an attribute of a three-dimensional sculpture formed from the toy construction kit. The components are configured to be selectively and repeatedly coupled together in a friction-fit arrangement.

Abstract: A self-locking device of an endoscope is provided. The endoscope includes a housing and a toggle assembly. The toggle assembly includes a toggle support, an elastic support and a toggle handle. The toggle handle is sleeved on the toggle support. An inner side of the toggle support is provided with a toggle lever and a friction piece. One end of the toggle lever is hinged to the toggle handle, and the other end of the toggle lever is not connected to the friction piece. The toggle lever has an L-shaped cross section, with a middle bend fixed to the toggle support. The toggle lever is hinged to the toggle support through a first pin. When being stressed, the toggle lever is rotatable around the first pin, so as to push the friction piece to move.

Abstract: An inertia braking test system and a control method is provided, wherein the inertia braking test system is composed of an inertia brake test system, a sensor system and a tested object. An actuating device is connected with the inertia brake control device through a ball stud. The actuation function of the inertia brake control device with two degrees of freedom along the front-and-rear direction and the up-and-down direction of the vehicle is realized. The movable chassis realizes the mobile function of the system. The acceleration sensor can sense the acceleration of the movable chassis. Each force is tested by the first force sensor, the second force sensor and the third force sensor. The displacement data is measured by the first displacement sensor and the second displacement sensor, so that a movable brake system test is achieved.

Abstract: A display panel is provided. In a display region configured to display an image, the display panel includes a base substrate; thin film transistors and display elements on the base substrate; an encapsulating layer encapsulating the display elements; and a touch electrode layer including mesh electrodes on a side of the encapsulating layer away from the base substrate. The encapsulating layer includes at least an organic encapsulating sub-layer having a first thickness in at least a sub-region of the transition region, and a second thickness in the display region, the first thickness being smaller than the second thickness. Mesh electrode lines of the mesh electrodes have a first line width in at least the sub-region of the transition region, and a second line width in the display region, the first line width being greater than the second line width.

Abstract: An energy system with hydration of magnesium hydride, including: a magnesium hydride storage tank, a Covapor unit, a storage battery, a hydrogen buffer and temperature regulation tank, a meter, a molecular sieve filter, a hydrogen fuel cell, an exhaust gas purifier, a water tank, and an air purifier. A water outlet of the hydrogen fuel cell is connected to a water inlet of the magnesium hydride storage tank. A hydrogen outlet of the magnesium hydride storage tank is connected to a hydrogen inlet of the hydrogen fuel cell. A thermal conductive medium outlet of the magnesium hydride storage tank is connected to a jacket of the molecular sieve filter and the Covapor unit, respectively, and a jacket outlet of the molecular sieve filter and an outlet of the Covapor unit are respectively connected to a thermal conductive medium inlet of the magnesium hydride storage tank.

Abstract: An inertia braking test system and a control method is provided, wherein the inertia braking test system is composed of an inertia brake test system, a sensor system and a tested object. An actuating device is connected with the inertia brake control device through a ball stud. The actuation function of the inertia brake control device with two degrees of freedom along the front-and-rear direction and the up-and-down direction of the vehicle is realized. The movable chassis realizes the mobile function of the system. The acceleration sensor can sense the acceleration of the movable chassis. Each force is tested by the first force sensor, the second force sensor and the third force sensor. The displacement data is measured by the first displacement sensor and the second displacement sensor, so that a movable brake system test is achieved.

Abstract: The present disclosure provides an under-screen fingerprint recognition module, a display assembly and a display device. The under-screen fingerprint recognition module includes a base substrate and a plurality of fingerprint recognition units arranged on the base substrate. Each fingerprint recognition unit includes a photosensitive unit and an optical structure arranged on a photosensitive surface of the photosensitive unit. The optical structure includes a light-transmitting ring and a light-transmitting hole sequentially arranged in a direction away from the photosensitive unit. An orthogonal projection of the light-transmitting ring onto the photosensitive unit is completely located on the photosensitive surface of the photosensitive unit, and an orthogonal projection of the light-transmitting hole onto the light-transmitting ring is located within an opaque region surrounded by the light-transmitting ring.

Abstract: One or more computer processors encode a plurality of time sequenced global position system (GPS) datapoints onto a grided dimensional area; determine a general trajectory between each time sequenced GPS datapoint in the plurality of encoded time sequenced GPS datapoints and a subsequent encoded time sequenced GPS datapoint; cluster the encoded time sequenced GPS datapoints based on a respective determined trajectory with a plurality of encoded historical GPS datapoints; calculate an azimuth for each encoded time sequenced GPS datapoint in the plurality of time sequenced GPS datapoints utilizing a plurality of adjacent historical GPS datapoints contained within a respective cluster; generate a plurality of interpolated GPS datapoints utilizing calculated azimuths, determined general trajectories, and historical GPS datapoints; and aggregate the generated interpolated GPS datapoints with the plurality of time sequenced GPS datapoints into an interpolated route, wherein each GPS datapoint in the interpolated ro

Abstract: A method is provided that includes: determining a frequency range of a reading device, and corresponding quality factors of reading cavities and filters; determining frequency ranges of the reading cavities and filters based on the frequency range of the reading device; determining a frequency of each reading cavity and filter based on the frequency ranges of the reading cavity and filter and the corresponding quality factors; determining a length of each reading cavity and a length of each filter respectively, such that a difference value between its frequency and a determined frequency does not exceed a first threshold; determining a spacing and a coupling length between the reading cavities and the filters to make it close to a preset quality factor; and performing simulation verification on a layout of a superconducting quantum chip based on the lengths, spacing and coupling length of the reading cavities and the filters.

Abstract: An information handling system may include a host system, a management controller configured to provide out-of-band management of the information handling system, and a network interface including a network interface processor. The information handling system may be configured to: transmit serial console data from the host system to the network interface; store the serial console data in onboard storage of the network interface; and execute, at the network interface processor, a management agent configured to provide access to the serial console data from a remote information handling system.

Abstract: One or more computer processors encode a plurality of time sequenced global position system (GPS) datapoints onto a grided dimensional area; determine a general trajectory between each time sequenced GPS datapoint in the plurality of encoded time sequenced GPS datapoints and a subsequent encoded time sequenced GPS datapoint; cluster the encoded time sequenced GPS datapoints based on a respective determined trajectory with a plurality of encoded historical GPS datapoints; calculate an azimuth for each encoded time sequenced GPS datapoint in the plurality of time sequenced GPS datapoints utilizing a plurality of adjacent historical GPS datapoints contained within a respective cluster; generate a plurality of interpolated GPS datapoints utilizing calculated azimuths, determined general trajectories, and historical GPS datapoints; and aggregate the generated interpolated GPS datapoints with the plurality of time sequenced GPS datapoints into an interpolated route, wherein each GPS datapoint in the interpolated ro

Abstract: The present disclosure provides a two-stroke pumping method and oil production device, and relates to the technical field of oil production. The oil production device comprises a pump body, wherein the oil production device further comprises a central tube of a hollow structure, and the central tube is partially located in the pump body and coaxially arranged with the pump body; a traveling valve and a standing valve are arranged on the left side and the right side of the outer wall of the central tube respectively, and the traveling valve is arranged between the pump body and the central tube; the standing valve is located outside the pump body; the traveling valve and the standing valve are matched with the pump body and the central tube to form an oil pumping space; and an oil pumping assembly is further arranged in the oil pumping space.

Abstract: A crowd motion simulation method is provided based on real crowd motion videos. The method includes framing the videos and storing the framed videos into continuous high-definition images, generating a crowd density map of each image, and accurately positioning an individual in each density map to obtain the accurate position of each individual. The method also includes correlating the positions of each individual in different images to form a complete motion trajectory, and extracting motion trajectory data; and quantifying motion trajectory data, defining training data and data labels, and calculating data correlation. The method further includes building a deep convolutional neural network, and inputting the motion trajectory data for training to learn crowd motion behaviors; and randomly placing a plurality of simulation individuals in a two-dimensional space, testing a prediction effect of the deep convolutional neural network, adjusting parameters for simulation, and drawing a crowd motion trajectory.

Abstract: A sensor device, an electronic apparatus and a method for reducing signal noise are provided. The sensor device includes a first detection region and a second detection region. The first detection region includes at least one detector unit, the detector unit includes a first detection electrode and a second detection electrode opposed to each other and a first insulating layer, the first detection electrode is electrically insulated from the second detection electrode by the first insulating layer the second detection region includes at least one detector unit, the sensor unit includes a first sensor electrode, a second sensor electrode and a first photosensitive layer, and the first photosensitive layer is electrically connected to the first sensor electrode and the second sensor electrode.

Abstract: A texture recognition apparatus and an opposite substrate are provided. The texture recognition apparatus includes a light source array, an image sensor array and a light shielding layer. The light source array includes a plurality of light sources; the image sensor array includes a plurality of image sensors, an orthographic projection of the light shielding layer on a plane where the light source array is located is between two adjacent light sources, an orthographic projection of the light shielding layer on a plane where the image sensor array is located at least partially overlaps with the plurality of image sensors; the light shielding layer has at least one opening, and at least a part of an orthographic projection of the first opening on the plane where the image sensor array is located is at least on one side of the first image sensor or overlaps with the first image sensor.