Abstract: A laptop computer including a first casing, a first sub-circuit board, an input module, a second casing, a motherboard, and a bridge circuit board is provided. The first sub-circuit board is disposed at the first casing. The input module is disposed at the first casing and electrically connected to the first sub-circuit board. The motherboard is disposed at the second casing. The first casing and the second casing are assembled together, such that the first sub-circuit board, the bridge circuit board, and the motherboard are partially overlapped, and the first sub-circuit board is electrically connected to the motherboard via the bridge circuit board.

Abstract: The embodiment of the present application discloses a single-well heat exchange system and a downhole enhanced heat exchange device of a geothermal well. The first main pipe communicates with an inner pipe of the single-well heat exchange device, return water entering the inner pipe sequentially enters the first main pipe and the second main pipe, part of the return water directly flows back to a geothermal reservoir, and part of the return water enters an annulus between the inner pipe and an outer casing of the single-well heat exchange device through a through hole of the second main pipe. The part, located at a target reservoir, of the retractable heat exchange pipe is used for absorbing geothermal heat of the target reservoir and transmitting the geothermal heat to an fixed end of the retractable heat exchange pipe to heat the return water entering the first main pipe.

Abstract: The patent application discloses a method for nondestructively determining information of an element disposed within a polymer body comprising a cure system extending continuously throughout. The method comprises the steps of directing x-rays onto a surface of the body, wherein the x-rays are directed through the body, and wherein target atoms in the cure system of the polymer body emit x-ray fluorescence; and receiving the x-ray fluorescence and determining composition information of the cure system within the body.

Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable part, a fixed part, and a driving assembly. The movable part connects an optical element. The movable part may move relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part.

Abstract: A reactor and method commonly applicable for high-pressure in-situ DSC and neutron tests of a gas hydrate relates to the field of characterization of physical and chemical properties of the gas hydrate. The reactor can not only carry out a high-pressure and low-temperature in-situ DSC test of the hydrate but also be suitable for a neutron diffraction test of the hydrate. The reactor can be adapted to an existing high-pressure and low-temperature in-situ DSC device without the need to re-develop a whole set of system, thus greatly reducing the replacement cost of the device. Owing to the sectional design, the flexibility and the applicability of the reactor can be ensured. Researchers can conveniently transport the hydrate in a pressure-maintaining manner. Even at a long distance, with the assistance of a liquid nitrogen tank or a vehicle-mounted refrigerator, it can be ensured that the hydrate may not be decomposed during transportation.

Abstract: A pilot valve seat for use in a damping valve in a shock absorber, comprising a pilot valve spool, a pilot valve seat, and a pilot spring disposed between the pilot valve spool and the pilot valve seat; the pilot valve spool and the pilot valve seat are connected with the housing; the pilot valve seat is provided with an oil inlet chamber for guiding the oil in the main valve chamber of the damping valve to the pilot chamber; the oil inlet chamber includes a radial oil inlet hole for oil inlet and a radial oil outlet hole for oil outlet; the pilot valve spool is provided with an adjusting cylinder matched with the oil inlet chamber, and the adjusting cylinder can move axially to control the flow rate of the oil inlet chamber and realize the pressure control in the pilot chamber.

Abstract: Provided are a dark-field confocal microscopic measurement apparatus and method based on frequency mismatch demodulation, relating to a dark-field confocal microscopic measurement apparatus and method. The problems that lateral and axial resolutions are affected and the stability of a microscopic system is reduced because the traditional nondestructive testing technology of subsurface defects in dark-field confocal microscopic measurement relies on a complex beam shaping mechanism are solved. The apparatus includes a dual-channel waveform generator, a modulated illumination module, an optical scanning module, a mismatch demodulation module, and an axial displacement table. A sample is placed on the axial displacement table, and one channel of the dual-channel waveform generator is connected to the modulated illumination module.

Abstract: A particle detection device includes a light source, a front light assembly, a main lens barrel, a flow chamber assembly, and a rear light assembly. The front light assembly includes a single front light lens barrel, the single front light lens barrel includes a front light channel, and the main lens barrel has a main channel. The cross section of the main channel is circular, and the single front light lens barrel is at least partially located in the main channel so as to be nested in and connected to the main lens barrel; or the cross section of the front light channel is circular, and the main lens barrel is partially located in the front light channel so as to be nested in and connected to the single front light lens barrel. The front light lens barrel is nested in and connected to the main lens barrel.

Abstract: The image device includes a plurality of micro-lens sets and an imaging device. The micro-lens sets are arranged in an array. The micro-lens sets receive a display image and respectively generate a plurality of image beams. Transmission directions of the image beams are not parallel to each other. The imaging device receives the image beams, focuses the image beams to respectively generate a plurality of image beams, and projects the image beams to a target zone, so that each of the image beams is imaged in the target zone.

Abstract: The present disclosure provides a detection and analysis method for rapid delineation of aging stages of styrene-butadiene-styrene (SBS) modified asphalt, including the following steps: performing a Fourier transform infrared spectroscopy (FTIR) test on unaged SBS-modified asphalt samples to obtain a copolymer index of IB0/S0 and neat asphalt functional group indexes, including the SI0, IB, aI0, ARI0, and CI0; performing the FTIR test on the aged SBS-modified asphalt samples to obtain an actual index of IB/S, SI, IB, aI, ARI, and CI; and delineating three aging stages of SBS-modified asphalt, including a polymer swelling stage, a polymer degradation stage and a component imbalance stage according to changes of functional group indexes. According to the present disclosure, the actual aging stages of the SBS-modified asphalt can be determined rapidly and accurately, providing a reasonable basis for the decision on pavement maintenance timing and mode.

Abstract: An optical expansion waveguide is disclosed that may comprise a first waveguide substrate (1) and a second waveguide substrate (2). The first waveguide substrate (1) allows the light entering the first waveguide substrate to expand in a first dimension direction, and the first waveguide substrate (1) comprises a plurality of first reflecting surfaces (101) arranged in sequence. The second waveguide substrate (2) allows the light entering the second waveguide substrate to expand in a second dimension direction, and the second waveguide substrate (2) comprises a plurality of second reflecting surfaces (201) arranged in sequence. At least one of the first reflecting surface (101) and the second reflecting surface (201) is at least partially curved so as to change an emission angle of light, such that the image distance of the image formed by the light emitted by the second waveguide substrate (2) meets the preset requirement.

Abstract: A measuring system includes a first chamber, a sound sensing device, a sound source and a top cover. A first cavity exists inside the first chamber. The sound sensing device is configured to sense a sound in the first cavity. The sound source is configured to generate a sound wave propagating towards the first cavity. The top cover is disposed on the first chamber. The measuring system is configured to measure a degree of opening of a vent formed by a venting device. The venting device is disposed between the first chamber and the top cover and connected to the first cavity of the first chamber for being measured the degree of opening, the first cavity of the first chamber is between the venting device and the sound sensing device, and the degree of opening is obtained according to a result generated by the sound sensing device.

Abstract: A lens assembly and AR glasses, including a lens, a sensing assembly, and one or more conducting assemblies. The sensing assembly is arranged on a first side of the lens. The conducting assemblies are arranged on the first side of the lens. Each conducting assembly comprises a transparent conductive layer, and a metal mesh layer. Wherein, the transparent conductive layer is placed on the first side of the lens. The metal mesh layer is placed on a side of the transparent conductive layer away from the lens. The metal mesh layer comprises a plurality of metal wires arranged at intervals. The plurality of the metal wires are electrically connected to the sensing assembly. The AR glasses includes a frame, and the lens assembly. The lens assembly is mounted on the frame.

Abstract: The present disclosure relates to the field of display technologies, and discloses a display panel, a preparation method thereof, and a display device; the display panel has a display area and a non-display area adjacent to the display area, and the display panel includes an array substrate, an opposite substrate, and a retaining wall structure; a bonding electrode is arranged on the array substrate, and located in the non-display area; the opposite substrate and the array substrate are arranged opposite to each other; the retaining wall structure is arranged on the side of the array substrate close to the opposite substrate, and at least part of the retaining wall structure is located between the display area and the bonding electrode.

Abstract: An electro-optical device includes a waveguide and a first electrode and a second electrode. The first electrode and the second electrode at first and second sides of the waveguide, wherein the first electrode and the second electrode directly contact and extend beyond the first and second sides of the waveguide respectively.

Abstract: The patent application discloses a degradable downhole tool member for hydrocarbon resource recovery. The downhole tool member comprises a shaped body comprising a degradable polymer matrix, wherein the downhole tool member, when held in downhole fluid at about 80° C., has an initial mass loss about 14% for a holding period of about 2 days in a pressure holding test.

Abstract: A display frame includes a front frame, a back panel, a middle frame in the front frame, and an elastic pad between the top surface of a side wall of the middle frame facing the front edge and the front edge. The front frame includes a frame structure and a front edge located at one end of the frame structure and extending towards the center of the frame structure. Opposite side walls of the frame structure have a first snap part. The back plate includes a bottom plate and a side plate located on the side edge of the bottom plate and extending towards one side of the bottom plate. The inner surface of the bottom plate is opposite to the inner surface of the front edge. The side plate has a second snap part for fitting with the first snap part.

Abstract: The invention relates to a hydraulic system, method, and integrated valve block for a slewing mechanism, comprising a first and second cylinder. The rod cavity of the first cylinder connects to the rodless cavity of the second cylinder through the first oil circuit, first hydraulic control check valve, and fourth oil circuit. The rodless cavity of the first cylinder connects to the rod cavity of the second cylinder through the second oil circuit, second hydraulic control check valve, and third oil circuit. The first oil circuit is connected to the directional valve through the sixth oil circuit, and the second oil circuit is connected to the directional valve through the fifth oil circuit. The directional valve is connected to the hydraulic pump and oil tank. The first hydraulic control check valve is installed between the first and fourth oil circuits, and the second hydraulic control check valve is between the second and third oil circuits.

Abstract: A display module includes a display assembly, a first composite prism film and a first adhesive layer. The display assembly includes a first display panel having a display area and a first polarizer disposed on a non-display surface of the first display panel. The first composite prism film includes a first prism layer disposed on a side of the first polarizer away from the first display panel and a haze layer located between the first prism layer and the first polarizer, and the haze layer includes a first bonding agent layer and a plurality of first diffusion particles dispersed in the first bonding agent layer. The first adhesive layer bonds the haze layer to the first polarizer. An orthographic projection of the first adhesive layer on a plane where the first display panel is located covers at least the display area.

Abstract: Scanner aberration impact modeling in a semiconductor manufacturing process, which may facilitate co-optimization of multiple scanners. Scanner aberration impact modeling may include executing a calibrated model and controlling a scanner based on output from the model. The model is configured to receive patterning system aberration data. The model is calibrated with patterning system aberration calibration data and corresponding patterning process impact calibration data. New patterning process impact data may be determined, based on the model, for the received patterning system aberration data. The model includes a hyperdimensional function configured to correlate the received patterning system aberration data with the new patterning process impact data.