Abstract: Described herein are compositions, silicon nitride films and methods for forming silicon nitride films using at least on cyclodisilazane precursor. In one aspect, there is provided a method of forming a silicon nitride film comprising the steps of: providing a substrate in a reactor; introducing into the reactor an at least one cyclodisilazane comprising a hydrocarbon leaving group and two Si—H groups wherein the at least one cyclodisilazane reacts on at least a portion of the surface of the substrate to provide a chemisorbed layer; purging the reactor with a purge gas; introducing a plasma comprising nitrogen and an inert gas into the reactor to react with at least a portion of the chemisorbed layer and provide at least one reactive site wherein the plasma is generated at a power density ranging from about 0.01 to about 1.5 W/cm2.

Abstract: The disclosure provides a soil-groundwater joint remediation device and a method. The soil-groundwater joint remediation device is disposed in an area to be remediated and includes an injection structure, an extraction structure, and a control structure. The injection structure is disposed in an injection well defined in the area to be remediated. The injection structure includes a hot air injection member, an oxidant injection member, and a micro-bubble injection member. The extraction structure is disposed in an injection well defined in the area to be remediated and spaced from the injection structure. The extraction structure includes a liquid phase extraction member and a gas phase extraction member. The control structure controls the liquid phase extraction member and the gas phase extraction member to perform an extraction operation.

Abstract: Methods, systems, and devices for wireless communications are described. A wireless device, such as a user equipment and/or a base station, may determine that an active transmit beam has changed from a first transmit beam to a second transmit beam, the second transmit beam being different from the first transmit beam. The wireless device may identify a reference signal identifier that is associated with the second transmit beam. The wireless device may update, based at least in part on the identifying, a channel state information (CSI) resource setting to include the reference signal identifier, wherein the CSI resource setting is associated with the active transmit beam.

Abstract: Circumferentially-sectioned valve cages are disclosed. An example apparatus comprises a plurality of cage sections collectively configured to be removably coupled together to form a valve cage having a circumference and a plurality of joints. The joints correspond in number to the cage sections and are spaced apart from one another about the circumference. Respective ones of the joints are defined by neighboring ones of the cage sections.

Abstract: A positioning device for arrangement of a basin false bottom in ocean engineering comprises a laser transmitting system, a rotating platform system, and a control and calculation system. The laser transmitting system comprises a laser transmitter used for providing laser beams. The rotating platform system comprises a two-degree-of-freedom rotating platform used for carrying the laser transmitter and making the laser beams have spatially arbitrary directivity. The control and calculation system is used for calculating, according to given coordinates, the angle by which the two-degree-of-freedom rotating platform needs to rotate, controlling rotation of the two-degree-of-freedom rotating platform, and making the laser beams transmitted by the laser transmitter accurately indicate the given coordinates at the basin false bottom.

Abstract: An object of the present disclosure is to provide a gas-electric parallel-serial hybrid marine power train system with LNG cooling, including a gas engine, an electric generator, a motor, a natural gas storage supplier. The gas engine is connected to the shaft belt motor through a gearbox, the motor is connected to the gearbox through a clutch, propellers are connected to the motor, and an engine cooling system and a fuel cell cooling system are connected to an LNG vaporization heat exchange apparatus; the electrical energy sources are the fuel cell, the electric generator and a storage battery. The arrangement of multiple power sources according to the present disclosure can meet ship requirements under various environments and circumstances, improve operating efficiencies of the gas engine, the shaft belt motor and the electric motor.

Abstract: Provided are a method and device for triggering measurement and reporting. The method includes: configuring K1 channel state information (CSI) measurement and reporting parameter sets for a receiving end, where the CSI measurement and reporting parameter sets comprise at least one set of aperiodic measurement reference resources; configuring spatial characteristic parameters for the aperiodic measurement reference resources in the K1 CSI measurement and reporting parameter sets, where K1 is greater than or equal to 1; and indicating the K1 CSI measurement and reporting parameter sets to the receiving end; where the CSI measurement and reporting parameter sets include a measurement reference resource set, the measurement reference resource set includes at least one aperiodic measurement reference resource set; and the aperiodic measurement reference resource set includes at least one set of the aperiodic measurement reference resources.

Abstract: The present disclosure relates to a composition that includes a perovskite of A2BX4, where A includes an R-form of a chiral molecule of at least one of and/or an S-form of the chiral molecule, B includes a cation, X includes an anion, R1 includes a first carbon chain having between 2 and 5 carbon atoms, R2 includes at least one of a hydrogen atom, a halogen atom, a carboxylic acid group, an alkoxy group, and/or a second carbon chain, and R3 includes a third carbon chain.

Abstract: The present application discloses an augmented reality apparatus and an optical system thereof. The optical system includes an image source; a bandpass polarizing beam splitter, relative to the image source, defining a beam splitting side adjacent to the image source and a transmission side facing away from the image source, the bandpass polarizing beam splitter being configured to allow polarization splitting of light incident thereon in a given wavelength range and allow transmission of light out of the given wavelength range; a wave plate adjacent to the beam splitting side; and a curved bandpass semi-reflector located downstream of the wave plate in a path of the reflected light and configured to allow reflection of light incident on the curved bandpass semi-reflector in the given wavelength range and allow transmission of light out of the given wavelength range.

Abstract: A multi-battery charging and discharging device including a power management integrated circuit (PMIC) module, at least two rechargeable batteries, and a plurality of first field-effect transistors. Each rechargeable battery is connected to a pulse width modulation (PWM) power module of the PMIC module through a field-effect switching transistor, terminals for connecting field-effect switching transistors and the PWM power module are separated from each other. Each of the first field-effect transistors is provided in a connection path between each rechargeable battery and a load. The first field-effect transistor is used to control the connection path between the rechargeable battery and the load to be turned on or turned off.

Abstract: Embodiments of the present disclosure provide a method and apparatus for detecting a target object in an image. The method includes: performing following prediction operations using a pre-trained neural network: detecting a target object in a two-dimensional image to determine a two-dimensional bounding box of the target object; and determining a relative position constraint relationship between the two-dimensional bounding box of the target object and a three-dimensional projection bounding box obtained by projecting a three-dimensional bounding box of the target object into the two-dimensional image; and the method further including: determining the three-dimensional projection bounding box of the target object, based on the two-dimensional bounding box of the target object and the relative position constraint relationship between the two-dimensional bounding box of the target object and the three-dimensional projection bounding box.

Abstract: The present invention provides an asymmetric EEG-based coding and decoding methods for BCIs, the BCI system includes an evoked stimulus module, an acquisition module and an EEG signal data set including a training set Xk and a testing sample Y, and an EEG signal decoding module; the evoked stimulus module sends a hybrid coding visual stimulus to subjects to evoke a specific EEG signal as required; the acquisition module obtains data information by amplifying and filtering the EEG signal so as to constitute EEG signal module; the decoding module coverts the data information into an instruction set for outputting the coding method of the present invention uses asymmetric characteristics of brain electrophysiological activity response to stimulus, combines with coding strategies such as SDMA, CDMA, FDMA and phase division multiple access coding.

Abstract: Systems and methods for determining the concentration of a second target gas while in the presence of a first target gas. A method may comprise operating a first sensor (202, 302) under a first operating condition, wherein the first sensor (202, 302) is part of a sensor assembly (200); operating a second sensor (204, 304) under a second operating condition, wherein the second sensor (204, 304) is part of the sensor assembly (200), and wherein the second operating condition is different from the first operating condition; detecting at least one target gas by the first sensor (202, 302); detecting at least one target gas by the second sensor (204, 304); processing a signal output from the first sensor (202, 302) with a signal output from the second sensor (204, 304); and determining a concentration of at least one of the first target gas and second target gas based on the processed output signals.

Abstract: The disclosure relates to a method for monitoring a pet by a robot based on a grid map and a chip. A mutual position relationship between the pet and the robot is determined through wireless communication between a wireless signal device on the pet and the robot, and then whether there is an obstacle cell or not between grid cells where the robot and the pet are located in the grid map is judged. If NO, it is indicated that the pet may be effectively shot at a present position and shooting direction of the robot, and the present position and shooting direction of the robot are not required to be changed. If YES, it is indicated that no pet but an obstacle may be shot at the present position of the robot.

Abstract: A light emitting diode display substrate, a manufacturing method thereof, and a display device arc provided. The light emitting diode display substrate includes a base substrate; a light emitting diode located on the base substrate, and a self-assembled monolayer. The light emitting diode includes a graphene layer, and the graphene layer is located on a side of the light emitting diode close to the base substrate; the self-assembled monolayer is located between the graphene layer and the base substrate and connected with the graphene layer.

Abstract: A camera module includes a circuit board; and a lens module electrically connected with the circuit board. The lens module is configured to be capable of deformed when being applied a voltage thereon so as to change a focus length of the lens module.

Abstract: Provided are a method and apparatus for transmitting and receiving channel state information, a communication node, and a storage medium. A CSI matrix H is decomposed to obtain a vector group, where the vector group comprises at least two vector matrices, element information of at least one vector matrix in the vector group is quantized, and the quantized element information is transmitted.

Abstract: An integrated display panel, a display apparatus and an image display method. The integrated display panel includes a display substrate and a plurality of photodiodes located in the display substrate, at least part of the plurality of photodiodes being configured to acquire light signals of a target area and convert the acquired light signals of the target area into electric signals for forming a target area image.

Abstract: The invention provides a lawn mower, which comprises a main body and a power head mounted on the main body. The main body comprises a mounting shell recessed with a mounting groove. The power head comprises a motor assembly received in the mounting groove and a housing assembly covering the motor assembly. The motor assembly comprises a motor base assembled with the mounting shell and a motor fixed on the motor base. The bottom of the motor base is sealed and the side of the motor base is provided with an air outlet and a waterproof rib protruding from the air outlet for partial shielding. The installation bottom surface of the housing assembly corresponding to the air outlet at least partially overlaps the waterproof rib in an up and down direction. Compared with the prior art, the lawn mower has good waterproof performance.

Abstract: The present disclosure relates to fluid absorbent cores including at least one absorption layer, the layer including at least 80% by weight of water-absorbent polymer particles, 0 to 10% by weight of an adhesive and from 0 to 10% by weight of fibrous material, wherein the water-absorbent polymer particles within the absorption layer are water-absorbent polymer particles having a vortex of 40 s or less and having a roundness of 0.79 to 0.85 and/or a CRC of 38 g/g to 85 g/g.