Abstract: A switching power circuit for charging a battery can include: four switches extending between two ports of a low-frequency AC input voltage and an energy storage circuit, where the energy storage circuit and a primary winding of a transformer are coupled between first and second nodes, the first node is a common node of the first and second switches, and the second node is a common node of the third and fourth switches; a rectification circuit having an input terminal coupled to a secondary winding of the transformer; a DC-DC converter having an input terminal coupled to an output terminal of the rectification circuit, and generates a charging current; and a control circuit that adjusts the charging current by controlling an operation of the DC-DC converter according to a charging requirement, in order to make an average value of the charging current meet the charging requirement.

Abstract: Described herein are compounds that are somatostatin modulators, methods of making such compounds, pharmaceutical compositions and medicaments comprising such compounds, and methods of using such compounds in the treatment of conditions, diseases, or disorders that would benefit from modulation of somatostatin activity.

Abstract: An edge-lit light source includes one or at least two light guide layers arranged in a stack and one or more light-emitting elements. Of one or more light guide layers of the one or at least two light guide layers, side surfaces of each light guide layer includes a light incident surface and a light exit surface, and the light guide layer includes a bending region located between the light incident surface and the light exit surface. A light-emitting surface of each light-emitting element faces a light incident surface of at least one light guide layer of the one or more light guide layers.

Abstract: A method is provided for a hyper-converged storage-compute system to implement an active-active failover architecture for providing Internet Small Computer System Interface (iSCSI) target service. The method intelligently selects multiple hosts to become storage nodes that process iSCSI input/output (I/O) for a target. The method further enables iSCSI persistent reservation (PR) to handle iSCSI I/Os from multiple initiators.

Abstract: The present invention relates to the technical field of bridges, and specifically discloses a bridge sling based on electrochemical detection on steel wire corrosion. By means of winding a steel wire bundle with a wrapping tape, and coating the wrapping tape with a shielding coating, the steel wire bundle and the shielding coating are electrically connected with positive and negative electrodes of a voltage test assembly respectively, so that simple and accurate detection on corrosion in the sling during service is realized, and the safety of the sling during the service is ensured.

Abstract: The present invention provides a high-pressure bearable scale type bridge rubber bearing, comprising spring rubber vibration reduction pad assemblies, a flexible steel plate assembly and a rubber bearing body. The rubber bearing body comprises an outer rubber portion and an inner rubber portion; the outer rubber portion is wrapped around the outside of the spring rubber vibration reduction pad assemblies and the flexible steel plate assembly; the spring rubber vibration reduction pad assemblies are arranged on the upper side and the lower side of the inner rubber portion; and the flexible steel plate assembly is fixedly mounted between the spring rubber vibration reduction pad assemblies. The rubber bearing of the present invention has a relatively large elastic deformation after being loaded and can effectively conduct vibration reduction and earthquake resistance during use.

Abstract: The present disclosure provides a light-adjusting glass and a smart vehicle window. The light-adjusting glass has a transmittance adjustment region and an encapsulation region; the light-adjusting glass includes: a first and second substrates opposite to each other, and a dye liquid crystal layer between the first and second substrates in the transmittance adjustment region, and a frame sealant in the encapsulation region; the first substrate includes a first base and a first electrode layer on a side of the first base proximal to the dye liquid crystal layer; the second substrate includes a second base and a second electrode layer on a side of the second base proximal to the dye liquid crystal layer; a conductive structure is provided in the frame sealant; a first and second voltage transmission structures electrically insulated from each other are on the first base.

Abstract: Provided is a flexible display screen, including: a flexible substrate provided with a foldable portion; pixel units disposed on a first surface of the flexible substrate; and a fold detection device including a reflective grating structure, an optical waveguide structure and a photoelectric sensor, wherein the optical waveguide structure and the reflective grating structure are sequentially laminated on the first surface of the flexible substrate and both disposed in the foldable portion, an orthographic projection of the optical waveguide structure onto the flexible substrate is overlapped with an orthographic projection of the reflective grating structure onto the flexible substrate, and the optical waveguide structure is connected to the photoelectric sensor.

Abstract: A growth device and method for low-stress crystals are provided, which relate to the field of preparation of crystals, in particular to a device and method for preparing low-stress and low-defect crystals by using a pulling method. The growth device includes a furnace body; a crucible and a heating and insulation system which are arranged at a bottom of the furnace body; a crystal pulling mechanism, and a quartz observation window; the device further includes a liftable heating mantle mechanism including a heating mantle body, a heating mantle supporting component, a heating wire arranged around the heating mantle body, and a heating mantle lifting mechanism. The method includes: after crystals are pulled out of a melt, covering the crystals with a liftable heating mantle mechanism.

Abstract: Provided are a transfer substrate, a display panel and a transfer method. The transfer substrate includes a plurality of object setting regions arranged in an array, the plurality of object setting regions including n types, where n is a positive integer, and n?2. The transfer substrate further includes: a base substrate, and a blocking layer located on a side of the base substrate. The blocking layer forms accommodating grooves respectively within object setting regions. Phase change materials are provided in accommodating grooves of at least (n?1) types of object setting regions. The provided transfer substrate has a simple structure and high transfer efficiency.

Abstract: A silicon carbide single crystal wafer and a preparation method therefor, a silicon carbide crystal and a preparation method therefor, and a semiconductor device. The surface of the silicon carbide single crystal wafer is such that an included angle between a normal direction and a c direction is 0-8 degrees, and aggregated dislocations on the silicon carbide single crystal wafer are less than 300/cm2; the aggregated dislocation is a dislocation aggregated condition in which the distance between the geometric centers of any two corrosion pits in the corrosion pits obtained after corrosion of melted KOH is less than 80 microns. Even if the dislocation density is relatively high, the aggregated dislocation density is relatively small, thereby increasing the yield of a silicon carbide-based devices.

Abstract: Methods, devices, and media are disclosed for mapping of input and output spaces in head-based human-computer interactions. In some embodiments, an end-to-end method is described for designing a head-based user interface, calibrating the interface to individual users, and interacting with a user in real time by mapping head-based user inputs to an output space in a way that optimizes the target selection efficiency of the interaction. Head orientation may be leveraged to define the mapping between the user input and the output space.

Abstract: Systems, methods, and devices are provided for generating and using text-to-speech (TTS) data for improved speech recognition models. A main model is trained with keyword independent baseline training data. In some instances, acoustic and language model sub-components of the main model are modified with new TTS training data. In some instances, the new TTS training is obtained from a multi-speaker neural TTS system for a keyword that is underrepresented in the baseline training data. In some instances, the new TTS training data is used for pronunciation learning and normalization of keyword dependent confidence scores in keyword spotting (KWS) applications. In some instances, the new TTS training data is used for rapid speaker adaptation in speech recognition models.

Abstract: A piston pressure device includes a gas concentration-regulating piston pressure device and a high temperature autoclave. In the gas concentration-regulating piston pressure device, the proportion and concentration of corrosive gases can be accurately adjusted, intermediate gases can be stored and filled into the high temperature autoclave according to experimental needs, and an actual corrosion process in oilfield is accurately simulated. Meanwhile, the corrosive gases can be supplemented in real time during the experiment, and dynamic gas distribution in a high-temperature high-pressure corrosion experiment process is realized.

Abstract: A battery charging circuit can include: a primary rectifier circuit configured to rectify an input AC voltage into a rectified voltage signal; a DC-DC converter configured to generate a charging current according to the rectified voltage signal, in order to charge a battery; a control circuit configured to adjust the charging current by controlling an operation state of the DC-DC converter according to a charging requirement, in order to make an average value of the charging current meet the charging requirement; and where the charging current is controlled to be zero when an absolute value of the input AC voltage is lower than a predetermined threshold.

Abstract: The present invention relates to a method, system and computer program product for defect enhancement. According to the method, a plurality of proposed regions from a plurality of images taken for a display panel is obtained. Each of proposed region of the plurality of proposed regions include a suspected defect on the display panel. At least two proposed regions from the plurality of proposed regions that deserve to be superimposed based on a set of conditions is determined. The at least two proposed regions for acquiring an enhanced defect are superimposed.

Abstract: A system for collecting information regarding a flight restriction region includes one or more processors and a non-transitory computer readable storage medium storing instructions that, when executed by the one or more processors, cause the one or more processors to individually or collectively receive an input specifying a location of the flight restriction region from a user via a user input device, obtain information associated with the flight restriction region from one or more external data sources based on the location, and determine a space of the flight restriction region based on the information associated with the flight restriction region.

Abstract: The invention provides a laser shock processing method for small-hole component with different thickness. In this method, different process parameters are adopted for laser shock processing of small hole members with different thicknesses, and the empirical formula was obtained by statistical analysis of the experimental results, and the empirical formula I 0 = A ? e t B ? ? s 2 Z is the relationship between power density and thickness of small hole members. According to this formula, the power density of laser shock strengthening of orifice member with different thickness is determined, and the selection and determination method of process parameters related to this is put forward. According to this method, reasonable residual compressive stress distribution can be obtained after laser shock strengthening with appropriate technology, and good strengthening effect can be achieved.

Abstract: A user terminal positioning method is used in an edge cloud server, and includes: receiving satellite positioning information sent by a user terminal; determining a location service area in which the user terminal is located; on the basis of the location service area, acquiring a differential correction model corresponding to the location service area from a public cloud server; using the satellite positioning information and the differential correction model to implement location calculation to obtain location information of the user terminal; and sending the location information to the user terminal.