Abstract: The present invention belongs to the technical field of stress detection and provides a method and device for testing stress of a high-temperature component of a power plant boiler. The adjusting assembly includes a plurality of bearing blocks, each bearing block is provided with an accommodating groove vertically, limiting blocks are disposed at two ends of the accommodating groove symmetrically, an elastic member, a first connecting rod, and a second connecting rod are disposed in the accommodating groove, and a limiting plate is fixedly connected to one end of each of the first connecting rod and the second connecting rod. According to the present invention, lengths of the first connecting rod and the second connecting rod extending out of the accommodating groove are adjusted, so that the device can be adjusted according to a caliber of a pipeline of the power plant boiler.

Abstract: A method for automatically creating an equipment inventory from a plurality of images of a site. The method includes receiving, by a processor, the plurality of images of the site, labeling, by the processor, equipment present in each image of the plurality of images of the site, creating, by the processor, an overlap curve for neighboring images of the plurality of images of the site, determining, by the processor, a useful image of each side of the site based on the overlap curve, the useful image including a subset of the plurality of images, creating, by the processor, an overlay of equipment in the useful image of each side of the site, counting, by the processor, equipment present in the overlay of each side of the site, and generating, by the processor, the equipment inventory by adding a number of equipment counted in the overlay of each side of the site.

Abstract: A method for estimating channel parameters includes: sending a paging signal for identifying the tag device; sending training sequence information, receiving first training sequence feedback information during a non-working period of the tag device, receiving, during a working period of the tag device, second training sequence feedback information modulated by the tag device, and estimating the channel parameters of the tag device according to the training sequence feedback information and the second training sequence feedback information. The tag device having at least one antenna of the present disclosure can modulate carrier signals to transmit information, has advantages such as a fast transmission rate, a large amount of transmission data and a strong anti-interference capability, and can adapt to different application scenarios.

Abstract: The present disclosure provides a method for fabricating an anti-reflective layer on a quartz surface by using a metal-induced self-masking etching technique, comprising: performing reactive ion etching to a metal material and a quartz substrate by using a mixed gas containing a fluorine-based gas, wherein metal atoms and/or ions of the metal material are sputtered to a surface of the quartz substrate, to form a non-volatile metal fluoride on the surface of the quartz substrate; forming a micromask by a product of etching generated by reactive ion etching gathering around the non-volatile metal fluoride; and etching the micromask and the quartz substrate simultaneously, to form an anti-reflective layer having a sub-wavelength structure.

Abstract: A method for testing antennas, an apparatus for testing antennas, and a storage medium are provided. The method is applied to a test device connected to a terminal device through a test instrument, and instrument ports of the test instrument have a mapping relationship with the antennas of the terminal device. The method includes: obtaining configuration information in a non-volatile memory (NV) of the terminal device, where the configuration information indicates communication modes respectively corresponding to the antennas of the terminal device, and the communication mode indicates a mobile communication system type and a communication frequency band; and performing performance test on the terminal device by using the test instrument according to the communication modes respectively corresponding to antennas.

Abstract: Vehicles and related systems and methods are provided for controlling a vehicle in an autonomous operating mode. One method involves obtaining navigation information for a route for the vehicle from a navigation system, transforming the navigation information into data points defining an upcoming trajectory of the route, mapping the data points to a corresponding mapped set of lane segments encompassing one or more of the data points, assigning lane preference indicia to the mapped set of lane segments, and autonomously operating one or more actuators onboard the vehicle to laterally maneuver the vehicle into one or more lanes at respective longitudinal positions along the route corresponding to one or more lane segments of the mapped set of lane segments in a manner that is influenced by the lane preference indicia assigned to the lane segments.

Abstract: A 3D anatomical model of one or more blood vessels of a patient may be obtained using CT angiography, while a 2D image of the blood vessels may be obtained based on fluoroscopy. The 3D model may be registered with the 2D image based on a contrast injection site identified on the 3D model and/or in the 2D image. A fused image may then be created to depict the overlaid 3D model and 2D image, for example, on a monitor or through a virtual reality headset. The injection site may be determined automatically or based on a user input that may include a bounding box drawn around the injection site on the 3D model, a selection of an automatically segmented area in the 3D model, etc.

Abstract: A display device, a method for producing a display device, and a gesture recognition method are disclosed. The display device includes a display module including a base and an array substrate, a resin layer, a first electrode layer, a pixel definition layer, a light-emitting unit layer, a second electrode layer disposed opposite to the first electrode layer, and an encapsulation layer. The light-emitting unit layer is between the first electrode layer and the second electrode layer and includes a plurality of light-emitting units respectively in a plurality of openings of the pixel definition layer, and an ultrasonic sensor including the second electrode layer, a piezoelectric material layer between the first electrode layer and the pixel definition layer, and a third electrode layer between the pixel definition layer and the resin layer. The piezoelectric material layer includes a plurality of piezoelectric material units separated by the plurality of light-emitting units.

Abstract: In one aspect, a computerized system for locating anomalous query activity with a cloud-based database, comprising: with an atypical query engine: analyzing and understanding data within a cloud-based database, processing all accesses to the data within cloud-based database and SAAS environment, generating a list of user that accesses a table from a location in the cloud-based database using, and capture a set of specified key statistics about the cloud-based database query; and role suggestion engine: generating a user behavior fingerprint comprising a history of the user's behavior within the cloud-based database, identifying that a user is an outlier with respect to behavior with respect to the set of specified key statistics, and suggesting a new role within an enterprise managing the cloud-based database for the user, wherein the fingerprint of the outlier user is used to generate the suggestion for the new role.

Abstract: Described herein is a method of preparing an ionic liquid comprising a nitrogen or phosphorus cation and a bis(fluorosulfonyl)imidate (FSI) counter anion; the method comprising contacting a precursor selected from the group consisting of a tertiary amine, a tertiary phosphine, and an aromatic nitrogen heterocycle, with an alkyl bis(fluorosulfonyl)imidate in an aprotic solvent to alkylate the nitrogen or phosphorus of the precursor, and directly form a nitrogen or phosphorus cation with an FSI counter anion.

Abstract: Embodiments herein provide a vehicle-mounted gas turbine generator set, including: a chassis vehicle, a main cabin body and at least one of an air intake filter system, a ventilation filter system and an exhaust system. The chassis vehicle includes a main beam and an operator cabin. The operator cabin is located at a first side of the main beam in a first direction. The main cabin body defines a main accommodation space. A gas turbine and a generator connected with each other, and an electrical system connected with the gas turbine and the generator, are arranged in the main accommodation space. In a second direction perpendicular to the first direction, the main accommodation space is located between the main beam and the at least of the air intake filter system, the ventilation filter system and the exhaust system.

Abstract: Disclosed is an electronic device with a sounding function, including a shell structural member and a speaker. The speaker includes a first sounding unit used to emit low-frequency sounds and a second sounding unit used to emit high-frequency sounds that are coaxially arranged. The first sounding unit surrounds the second sounding unit. The shell structural member is provided with a first channel for transmitting the low-frequency sounds, a second channel separated from the first channel for transmitting the high-frequency sounds, and a common channel for communicating both the first and second channels with the outside of the electronic device. The second channel includes a front cavity of the second sounding unit and a connecting channel for communicating the front cavity with the common channel. The connecting channel is in a horn shape. The effect of the high-frequency sounds of the electronic device with a sounding function is improved.

Abstract: The present invention provides engineered carboxyesterase enzymes having improved properties as compared to a naturally occurring wild-type carboxyesterase enzymes, as well as polynucleotides encoding the engineered carboxyesterase enzymes, host cells capable of expressing the engineered carboxyesterase enzymes, and methods of using the engineered carboxyesterase enzymes in amidation reactions.

Abstract: A network may transmit either beam deployment information or beam number information to a user equipment (UE) carried on a train and configured for operation in the millimeter wave band. The deployment information may include deployment related distance parameters or azimuth angle spread parameters. The beam number information may indicate a number of network beams associated with a current cell. The UE may determine a number of UE receive beams based on deployment information or the network-indicated number of network beams. The UE may transmit feedback to the network, indicating the number of UE receive beams. Alternatively, the network may send a configuration message indicating a first number of UE receive beams to the UE, which the UE may treat as an upper bound or lower bound in its determination of a desired number of UE receive beams. The UE may transmit the desired number to the network.

Abstract: A method includes, when a handheld device is in motion within a service area to be traversed by a robot: obtaining ultra-wideband (UWB) ranging measurements between the handheld device and multiple anchors located in the service area; and obtaining image data and inertial measurement unit (IMU) data. The method also includes determining a trajectory of motion of the handheld device based on the UWB ranging measurements. The method also includes adjusting the trajectory based on image features obtained from the image data and motion estimates obtained from the IMU data. The method also includes identifying the adjusted trajectory as a boundary of the service area.

Abstract: Disclosed is a photodetector with a resonant waveguide structure, including: a substrate; a light absorption layer located on the substrate and configured for detecting an optical signal; a resonant waveguide structure including a first waveguide portion and a second waveguide portion spaced apart; the first waveguide portion receives the optical signal and transmits the received optical signal to a first region of the second waveguide portion, the second waveguide portion includes a second region for coupling the optical signal to the light absorption layer, and the second waveguide portion provides a circular transmission path for transmission of the optical signal to transmit the optical signal that transmitted to the first region to the second region along part of the circular transmission path and retransmit the optical signal that flows through the second region without being coupled to the light absorption layer to the second region along the circular transmission path.

Abstract: A display substrate is provided, including: a base substrate; a plurality of sub-pixels arranged on the base substrate in an array in a row direction and a column direction; a plurality of post spacers arranged at intervals on the base substrate, wherein the plurality of post spacers include at least one main post spacer and a plurality of sub post spacers, and each main post spacer has a height greater than that of each sub post spacer. Each sub-pixel has at most one post spacer provided therein, the plurality of sub-pixels include a main sub-pixel provided with the main post spacer and a sub sub-pixel provided with the sub post spacer, and the plurality of sub-pixels further include at least one mark sub-pixel adjacent to the main sub-pixel in the row direction or the column direction, the at least one mark sub-pixel is provided with no post spacer.

Abstract: An image cast system includes: a transparent holographic display screen; a first diffraction grating superimposed at a first display surface of the transparent holographic display screen; a second diffraction grating superimposed at a second display surface of the transparent holographic display screen; a plurality of cast light sources including a cast light source disposed outside and facing towards the transparent holographic display screen or a cast light source disposed inside the transparent holographic display screen; and a control device connected to the transparent holographic display screen, the first diffraction grating, the second diffraction grating, and the plurality of cast light sources. The control device controls at least one cast light source of the plurality of cast light sources to cast a virtual scene image onto the first display surface of the transparent holographic display screen; and outputs an electrical control signal to the second diffraction grating.