Abstract: Provided are a dielectric material and a method for manufacturing the same. The dielectric material includes: subjecting a foamed sphere obtained by a primary foaming to a second foaming in a second moulding chamber filled with CO2 at a second temperature in the range of 20° C. below Tm to 5° C. below Tm and under a second pressure of 15-20 MPa for 30-3600 min to obtain the dielectric material, wherein the primary foaming comprises specific steps of: foaming a foaming material sphere with a diameter of 20-800 mm in a first moulding chamber filled with CO2 at a first temperature in the range of 80° C. below Tm to 20° C. below Tm and under a first pressure of 15-20 MPa to obtain the foamed sphere. Further provided is a dielectric material manufactured by the method above.

Abstract: A soluble metal sealing ring with a controllable dissolution rate and preparation process thereof include an aluminum alloy sealing ring matrix and a composite coating coated on an outer surface of the aluminum alloy sealing ring matrix whose standard electrode potential is greater than ?0.3 volts (V). The preparation process includes: (1) preparing a high-plastic aluminum alloy; (2) preparing the aluminum alloy sealing ring matrix by machining; (3) annealing the aluminum alloy sealing ring matrix; (4) mixing raw materials of the composite coating evenly; (5) preparing the composite coating on an outer surface of the aluminum alloy sealing ring matrix; (6) preparing holes. The soluble metal sealing ring solves problem that good sealing performance and good dissolving performance are difficult to obtain simultaneously in the existing product, and has advantages of good sealing performance, controllable dissolving rate, no blockage and others.

Abstract: A method includes detecting a power-up event associated with a memory sub-system comprising a plurality of blocks of memory cells having blocks of memory cells associated therewith, responsive to detecting the power-up event and prior to receipt of signaling indicative of a host initiation sequence, determining that a block of memory cells associated with a respective block among the plurality of blocks of memory cells is an open virtual block of memory cells, determining that the respective block associated with the open virtual block of memory cells exhibits greater than a threshold health characteristic value, and selectively performing a media management operation of a respective block of memory cells associated with the open virtual block of memory cells in response to the determination that the respective block exhibits greater than the threshold health characteristic value.

Abstract: Disclosed are a vertical motion protection method and device based on a dual-stage motion system of a photolithography machine. The method comprises: according to a distance between measured points and reference points of the eddy current sensor and coordinates of the reference points of the eddy current sensor, calculating coordinates of the measured points on a lower surface of the micro-motion stage respectively; calculating a point normal form equation of the micro-motion stage at the current time using measured coordinates of the measured points on the micro-motion stage, then substituting X and Y coordinates of the measured points on the translated micro-motion stage to determine a maximum height of the micro-motion stage at the current time; and comparing the maximum height with a height threshold, if the maximum height exceeds the height threshold, shutting down for protection, or else continuing to operate the system.

Abstract: A light control film includes a plurality of substantially parallel optical cavities. Each of the optical cavities has a height H along a thickness direction of the light control film and a minimum lateral dimension W along an in-plane width direction orthogonal to the thickness direction, where H?W. The optical cavities are substantially filled with a liquid including a plurality of light absorbing particles configured to move along the thickness direction in response to one or more applied signals or fields such that the movement along the thickness direction causes each of the optical cavities to transition between a substantially opaque state and a substantially transparent state. A full viewing angle of the light control film increases when the optical cavities transition from the substantially opaque state to the substantially transparent state.

Abstract: An optical film for reducing at least one of sparkle and moire in a display system includes a structured first major surface that, in at least a first cross-section in a first plane substantially orthogonal to the optical film, has a sinusoidal shape having a variable pitch of greater than about 0.5 microns. For a substantially normally incident light and blue, green, and red wavelengths that are at least 50 nm apart from each other and are disposed within respective blue, green, and red wavelength ranges, optical transmissions of the optical film versus transmitted angle for the blue, green and red wavelengths have respective blue, green, and red transmission bands disposed at angles greater than about 1 degree and having respective blue, green, and red full width at half maxima (FWHMs), at least two of which at least partially overlap.

Abstract: The technology of this application relates to a high electron mobility transistor including a GaN substrate layer, a barrier layer, a circuit layer, and a field plate that are sequentially stacked. The GaN substrate layer includes a main body layer and a channel layer that are stacked, the channel layer is adjacent to the barrier layer, the circuit layer includes a source, a drain, and a dielectric layer, the dielectric layer is disposed between the source and the drain, the field plate is disposed on a side that is of the dielectric layer and that is away from the barrier layer, an orthographic projection of the field plate on the channel layer is a field plate projection, the channel layer includes a modulation region and a non-modulation region, the non-modulation region surrounds the modulation region, the modulation region and the field plate projection at least partially overlap.

Abstract: This invention discloses a model test apparatus and method for shield post-wall grouting and tube sheet uplift under high water pressure conditions, comprising main body box, tension apparatus, shield system, grouting system, ground stress loading system, water injection system, and monitoring system. The main body box comprises the shield shell system and model soil inside. The ground stress loading system and water injection system realize the simulation of the complex underground soil and muddy water environment by applying stress and water pressure to the model soil inside the main box. While the tension apparatus makes the shield shell moving forward, the grouting system injects slurry into the gap between the shield shell and the tube sheet. The integrated model test of visual shield grouting and tube sheet uplift, the real-time multi-physical field responses, and the longitudinal deformation mechanism have been realized and revealed under high water pressure conditions.

Abstract: The present application discloses an integrated structure of MOS transistors having different working voltages. A second spacer of a second MOS transistor having a middle second working voltage is formed by adding a third sub-spacer on the basis of a first spacer of a first MOS transistor having a relatively low first working voltage, and the first spacer is formed by stacking a first sub-spacer and a second sub-spacer. The thickness of the second spacer is adjusted via the third sub-spacer, so as to ensure that a GIDL leakage of the second MOS transistor under the second working voltage satisfies a requirement. The present application also discloses a method for manufacturing an integrated structure of MOS transistors having different working voltages.

Abstract: The present disclosure relates to a slip ring assembly. The slip ring assembly may include a first slip ring, a second slip ring, and a transmission component. The transmission component may be configured to facilitate at least one of: data transmission of the first slip ring, data transmission of the second slip ring, power transmission of the first slip ring, or power transmission of the second slip ring.

Abstract: The disclosure relates to the technical field of battery charging and swapping, and in particular, to a control method and system for a battery charging and swap station, a medium, an apparatus, and a battery charging and swap station. The disclosure is intended to solve the problem that a battery charging and swap station is prone to false alarm and halt at a low temperature. To this purpose, the battery charging and swap station in the disclosure includes a battery swap apparatus. The battery swap apparatus includes a locking/unlocking mechanism. The locking/unlocking mechanism is configured to be capable of locking and unlocking a battery locking mechanism through rotation of a locking/unlocking head of the locking/unlocking mechanism.

Abstract: An apparatus comprising a light projector, a sensor and a processor. The light projector may be configured to toggle a light pattern. The sensor may be configured to generate pixel data. The processor may be configured to process the pixel data arranged as video frames, extract IR images with the light pattern, IR images without the light pattern and RGB images from the video frames, generate a control signal in response to the IR images with the light pattern and the RGB images, calculate an IR interference measurement in response to the IR images without the light pattern and the RGB images and select a mode of operation for an IR channel control and an RGB channel control in response to the IR interference measurement. The control signal may be configured to adjust an exposure for the sensor.

Abstract: The disclosure relates to the technical field of battery swapping, and in particular to a battery swap control method and system, a medium, an apparatus, and a battery charging and swap station. An objective of the disclosure is to solve a problem that battery swap time is forced to be prolonged due to a fault in a locking process.

Abstract: The present invention provides a kit and method for isothermal rapid detection of a SARS-CoV-2 virus nucleic acid.

Abstract: The present disclosure provides an intracranial artery stenosis detection method and system. The present disclosure obtains artery stenosis detection results based on a first maximum intensity projection (MIP) image and a second MIP image obtained by preprocessing a medical image by adopting a detection model based on an adaptive triplet attention module and generates an auxiliary report and visualization results according to target category information in the artery stenosis detection results. Therefore, the problem that existing manual interpretation methods are easily affected by the subjective experience of doctors and are time-consuming and laborious can be solved, thus improving accuracy and efficiency of intracranial artery stenosis detection.

Abstract: A sliding sleeve device has an outer cylinder, a circulation hole being provided in the wall of the outer cylinder; and an inner cylinder provided in an inner cavity of the outer cylinder. In an initial state, the inner cylinder and the outer cylinder are fixed to each other to seal the circulation hole. In a first state, the inner cylinder is movable relative to the outer cylinder, thereby unsealing the circulation hole. A protection mechanism is provided in the circulation hole, which has an inner member located on the radially inner side and an outer member located on the radially outer side.

Abstract: The disclosure relates to the technical field of safety protection, and in particular, to a safety protection method and system for a battery charging and swap station, a medium, an apparatus, and the battery charging and swap station. The disclosure aims to solve the problem of small coverage of an existing safety protection method. For this purpose, the battery charging and swap station in the disclosure includes a battery swap platform, a battery swap apparatus, position detection devices, and safety scanning devices. The battery swap platform can bear a vehicle with a battery to be swapped. The position detection devices can send an electrical signal when blocked. The safety scanning devices can monitor one of a plurality of preset monitoring regions each time.

Abstract: Mechanisms are provided to automatically identify a regression scope of a requirements specification for at least one functionality of a software product. A first knowledge graph, having function entities, is generated of the requirements specification specifying functional requirements for a software product and a first vector representation is generated for the function entities. Code entities for existing code for the software product are generated that comprise features associated with portions of the existing code, and a second vector representation is generated for these code entities. Code entities are linked to function entities based on a vector similarity analysis between the first vector representation and the second vector representation.

Abstract: A system comprising a plurality of capture devices and a calibration device. The capture devices may each comprise a warp table. The calibration device may be configured to store a plurality of configured warp tables in a warp table pool, perform a full calibration for one of the capture devices to generate the configured warp tables, initiate a quick calibration for the capture devices and apply one of the configured warp tables to the capture devices as the warp table. The calibration device may apply one of the configured warp tables to the capture devices by selecting one of the configured warp tables from the warp table pool in response to the quick calibration. If the quick calibration fails, the calibration device may generate a new configured warp table for the warp table pool in response to the full calibration and select the new configured warp table.

Abstract: A system comprising a plurality of capture devices and a calibration device. The capture devices may each comprise a warp table. The calibration device may be configured to store a plurality of configured warp tables in a warp table pool, perform a full calibration for one of the capture devices to generate the configured warp tables, initiate a quick calibration for the capture devices and apply one of the configured warp tables to the capture devices as the warp table. The calibration device may apply one of the configured warp tables to the capture devices by selecting one of the configured warp tables from the warp table pool in response to the quick calibration. If the quick calibration fails, the calibration device may generate a new configured warp table for the warp table pool in response to the full calibration and select the new configured warp table.