Abstract: A method for accelerating sleep startup speed is provided. The method may include determining that a system-on-chip (SoC) is under a sleep mode; determining that a wake-up condition is met; calculating a second authentication key based on data stored in a flash memory of the SoC using a cryptographic algorithm; comparing the second authentication key with a first authentication key, wherein the first authentication key is associated with a secure boot of the SoC and obtained from an Always On (AON) memory of the SoC; and in response to a comparison result that the first authentication key is the same as the second authentication key, waking the SoC up from the sleep mode.

Abstract: A battery includes an outer housing and a cell. The cell is received in a first receiving cavity of the outer housing, the outer housing is arranged with an insulating member. At least one information obtaining component is received in the first receiving cavity and fixed to the cell. Each information obtaining component includes a detection assembly, a power supply battery, a wireless transmitting end and a circuit board. A detection end of the detection assembly is attached to the cell, the wireless transmitting end is disposed adjacent to the insulating member and is configured to transmit a signal, and the signal is capable of transmitting through the insulating member to reach an exterior of the first receiving cavity.

Abstract: A method for accelerating sleep startup speed is provided. The method may include determining that a system-on-chip (SoC) is under a sleep mode; determining that a wake-up condition is met; calculating a second authentication key based on data stored in a flash memory of the SoC using a cryptographic algorithm; comparing the second authentication key with a first authentication key, wherein the first authentication key is associated with a secure boot of the SoC and obtained from an Always On (AON) memory of the SoC; and in response to a comparison result that the first authentication key is the same as the second authentication key, waking the SoC up from the sleep mode.

Abstract: Disclosed is a multifunctional structure comprising: a first layer comprising a first polymer and having a first surface and a second surface, and a second layer comprising an inorganic-based material deposited on at least the first surface of the first layer, wherein the structure is an electrochemical cell separator. Also disclosed are electrochemical cells comprising the same and methods of making the same.

Abstract: A deep-sea battery device includes: a housing, a pouch, and a protective cover. The housing defines a pressure-releasing port, the pouch seals the pressure-releasing port. The pouch includes a body, a cushioning portion, and a connection portion. The cushioning portion is disposed between the body and the connection portion. The connection portion is clamped between the protective cover and the housing. The cushioning portion at least comprises an annular cushioning protrusion surrounding a periphery of the body. The cushioning protrusion protrudes toward an interior of the housing. A side of the cushioning protrusion away from the interior of the housing defines a groove. An opening of the groove faces the protective cover. The protective cover defines a through hole, the through hole is disposed at a position corresponding to the body. The body is disposed lower than an outer side of the housing that defines the pressure-releasing port.

Abstract: A deep-sea battery apparatus and a method for assembling the deep-sea battery apparatus. The deep-sea battery apparatus includes a casing, an upper cover), a battery pack, a pressure compensation assembly, and a fastening plate assembly. The upper cover is sealingly connected to a top of the casing, the battery pack is disposed inside the casing, the pressure compensation assembly is disposed in the casing and on a side of the battery pack, and the fastening plate assembly is annular in shape and sealingly sleeved and connected at a connection between the casing and the upper cover.

Abstract: A current fed high-frequency isolated matrix converter and the corresponding modulation and control schemes are provided. The converter includes a current source full-bridge converter, a high-frequency transformer, a matrix converter, and a three-phase filter. An optimized space vector modulation solution is used for controlling the converter, and by comparing magnitudes of three-phase filter capacitor voltages to determine an action sequence of space vectors, switch tubes are turned on at zero voltage. A current source full-bridge circuit adopts a commutation strategy of a secondary clamping, and by calculating a leakage inductive current commutation time, full-bridge switch tubes are turned off at zero current to achieve safe and reliable commutation, and having advantages of a low system loss, a high efficiency, and a high power density.

Abstract: The invention refers to the function and application of a disease-resistance gene Xa7 highly resistant to the bacterial blight of rice, belonging to the field of plant genetics. The invention discloses a gene Xa7 with high resistance to rice bacterial blight. The nucleotide sequence of gene Xa7 is shown in SEQ ID No: 1. The invention also provides the usage of the gene Xa7 to improve the resistance of rice to bacterial blight.

Abstract: The present invention provides a method for preparing a chiral 4-aryl-?-amino acid derivative. The preparation method comprises hydrogenating an enamine compound having a structure as shown in Formula III in an organic solvent in the presence of a catalyst containing a transition metal and BIBOPs. The preparation method of the present invention uses a small amount of a selected asymmetric catalyst, and has a simple operation, mild reaction conditions, a high yield, a high stereoselectivity, and better industrial application and economic values.

Abstract: A current fed high-frequency isolated matrix converter and the corresponding modulation and control schemes are provided. The converter includes a current source full-bridge converter, a high-frequency transformer, a matrix converter, and a three-phase filter. An optimized space vector modulation solution is used for controlling the converter, and by comparing magnitudes of three-phase filter capacitor voltages to determine an action sequence of space vectors, switch tubes are turned on at zero voltage. A current source full-bridge circuit adopts a commutation strategy of a secondary clamping, and by calculating a leakage inductive current commutation time, full-bridge switch tubes are turned off at zero current to achieve safe and reliable commutation, and having advantages of a low system loss, a high efficiency, and a high power density.

Abstract: This invention relates to a roofing panel for interconnection with one or more additional roofing panels. The roofing panel comprises a PV cell coupled to an inverter, and wireless (or optionally wired) power transfer circuitry for transmitting power to another roofing panel and/or the AC grid and/or to an AC inverter, and/or for receiving power from another roofing panel.

Abstract: This invention relates to a photovoltaic (PV) unit adapted to provide wireless power transfer output comprising one or more photovoltaic cells that generate electrical output, and at least one wireless power transfer transmitter coupled to transfer the electrical output via wireless power transfer. Such a PV unit can be provided in combination with a roofing, cladding or siding module. Such a module comprises an underlapping region and an exposed region of an adjacent module when installed on a building surface; and an outer surface and an under surface, wherein the under surface of the underlapping region is profiled to define a pathway for air flow between the module and the building surface.

Abstract: A liquid crystal lens is disclosed in embodiments of the present disclosure. A liquid crystal lens includes: a first substrate and a second substrate disposed opposite to each other; a first electrode layer and a second electrode layer between the first substrate and the second substrate, the second electrode layer including a plurality of second electrodes each of which is capable being applied independently with a voltage and forms a vertical electrical field with the first electrode layer; and blue phase liquid crystals between the first electrode layer and the second electrode layer, wherein, the blue phase liquid crystals in different positions have different degrees of deformation under the action of the vertical electrical field at different intensities, to enable an imaging distance of the liquid crystal lens to vary smoothly along a preset curve. A display device and a method of driving the display device are further disclosed.

Abstract: This invention relates to a roofing panel for interconnection with one or more additional roofing panels. The roofing panel comprises a PV cell coupled to an inverter, and wireless (or optionally wired) power transfer circuitry for transmitting power to another roofing panel and/or the AC grid and/or to an AC inverter, and/or for receiving power from another roofing panel.

Abstract: This invention relates to a roofing panel for interconnection with one or more additional roofing panels. The roofing panel comprises a PV cell coupled to an inverter, and wireless (or optionally wired) power transfer circuitry for transmitting power to another roofing panel and/or the AC grid and/or to an AC inverter, and/or for receiving power from another roofing panel.

Abstract: A heat controlling apparatus for a detector of a CT machine and a detector. The heat controlling apparatus comprises: a heat conducting frame, which is disposed at a side where a chip on a circuit board in the detector is located; a heater, which thermally contacts with the heat conducting frame and is used for heating the heat conducting frame; a heat dissipating member, which is connected with the heat conducting frame and used for dissipating heat produced by the detector; and a heat isolating member, which is wrapped at a periphery of a collimator of the detector, the heat conducting frame and the heater.

Abstract: A system is provided that enables access to data records associated with a product lifecycle management system. The system may include a metadata extractor component configured to determine metadata from data stored in data records and to store the metadata in a metadata library. Also, the system may include a schema configuration component configured to create a schema configuration based on metadata accessed from the metadata library. Further the system may include a schema builder component configured to generate a data store organized based on the created schema configuration, and to store data retrieved from the data records in the data store, based at least in part on metadata accessed from the metadata library based on the schema configuration. An application user interface that accesses the data store may dynamically change based on changes to the schema configuration and metadata library.

Abstract: This invention relates to a photovoltaic (PV) unit adapted to provide wireless power transfer output comprising one or more photovoltaic cells that generate electrical output, and at least one wireless power transfer transmitter coupled to transfer the electrical output via wireless power transfer. Such a PV unit can be provided in combination with a roofing, cladding or siding module. Such a module comprises an underlapping region and an exposed region of an adjacent module when installed on a building surface; and an outer surface and an under surface, wherein the under surface of the underlapping region is profiled to define a pathway for air flow between the module and the building surface.

Abstract: A heat controlling apparatus for a detector of a CT machine and a detector. The heat controlling apparatus comprises: a heat conducting frame, which is disposed at a side where a chip on a circuit board in the detector is located; a heater, which thermally contacts with the heat conducting frame and is used for heating the heat conducting frame; a heat dissipating member, which is connected with the heat conducting frame and used for dissipating heat produced by the detector; and a heat isolating member, which is wrapped at a periphery of a collimator of the detector, the heat conducting frame and the heater.

Abstract: This invention relates to a roofing panel for interconnection with one or more additional roofing panels. The roofing panel comprises a PV cell coupled to an inverter, and wireless (or optionally wired) power transfer circuitry for transmitting power to another roofing panel and/or the AC grid and/or to an AC inverter, and/or for receiving power from another roofing panel.