Abstract: A method and an apparatus for video production, a device and a storage medium are provided by the embodiment of the present disclosure, where information of a song list and a target song in the song list are acquired in response to a first instruction of a user, video materials are generated according to the information of the song list and a video is generated according to the video materials and a preset animation effect, and the target song and the video are merged to obtain a video file. In the embodiment of the present disclosure, by making the song list into a video containing more elements, better displaying of the information of the song list is realized, thus rendering it attractive for a user to click and play in a more effective manner, thereby effectively improving the click rate and playback amount of the song list.

Abstract: A method and system for optimizing optical flow for images based on a residual field and a displacement field are provided. The method includes: obtaining reference images; estimating an initial optical flow field from the reference images by using an optical flow estimation method; obtaining an optical flow optimization model, where the optical flow optimization model includes an image encoder, an optical flow encoder, a first decoder, and a sub-decoder; inputting any image of the reference images and the initial optical flow field into the optical flow optimization model to output the residual field and the displacement field; superimposing the initial optical flow field and the residual field to obtain a preliminarily optimized optical flow field; and resampling the preliminarily optimized optical flow field by using the displacement field to obtain an optimized optical flow field.

Abstract: The present invention discloses a rare-earth-manganese/cerium-zirconium-based composite compound, a method for preparing the same, and a use thereof. The composite compound is of a core-shell structure with a general formula expressed as: A REcBaOb-(1-A)CexZr(1-x-y)MyO2-z, wherein 0.1?A?0.3, preferably 0.1?A?0.2; a shell layer has a main component of rare-earth manganese oxide with a general formula of REcMnaOb, wherein RE is a rare-earth element or a combination of more than one rare-earth elements, and B is Mn or a combination of Mn and a transition metal element, 1?a?8, 2?b?18, and 0.25?c?4; and a core has a main component of cerium-zirconium composite oxide with a general formula of CexZr(1-x-y)MyO2-z, wherein M is one or more non-cerium rare-earth elements, 0.1?x?0.9, 0?y?0.3, and 0.01?z?0.3. The composite compound enhances an oxygen storage capacity of a cerium-zirconium material through an interface effect, thereby increasing a conversion rate of a nitrogen oxide.

Abstract: Provided are an experimental apparatus and method for regulating and controlling the Zeeman transition of magnetic resonance. The method includes: generating a constant background magnetic field by using a magnetic shielding cylinder, a background magnetic field coil, and a constant current source, and controlling a Larmor precession frequency corresponding to the background magnetic field to be equal to a frequency of a sinusoidal signal output by a radio frequency signal source; adjusting the amplitude of a signal output by a radio frequency signal source of a pump-probe atomic magnetometer to set a radio frequency signal to be a ?/2 pulse or a ? pulse; and then controlling the radio frequency signal source to output a series of sinusoidal radio frequency pulse strings having the same initial phase. The Zeeman transition of magnetic resonance is regulated and controlled by adjusting the time interval between the radio frequency pulse signals.

Abstract: A method for purifying an air pollution in an indoor space to a level close to zero includes providing an indoor leaking detection for blocking an outdoor air from entering the indoor space; and providing an indoor monitoring system including plural gas detection devices, a central controlling monitor and plural air-exchanging filtration devices, wherein the gas detection devices detect the property and concentration of the air pollution and output outdoor/indoor air pollution data, the central controlling monitor receives the outdoor/indoor air pollution data, performs an intelligent computation to compare thereof and determine an air pollution location, and issues a control instruction, and the air-exchanging filtration devices receive the control instruction and perform an enabling and adjusting mechanism for guiding the air pollution to pass through the air-exchanging filtration devices for being purified to a level of zero or close to zero, thereby cleaning the air pollution to a breathable state.

Abstract: A helmet includes a helmet body and a gas detection and purification device. The gas detection and purification device in includes a body, a purification module, a gas-guiding unit, a gas detection module, and a power module. The gas detection module calculates the gas detection data obtained by the gas detection module so as to control the gas-guiding unit to start or stop operation based on the gas detection data. When the gas-guiding unit is in operation, the gas-guiding unit guides the gas into the body and to pass through the purification module for being filtered and purified to become a purified gas, and the gas-guiding unit discharges the purified gas out of the body to the nose portion, or the mouth portion, or both the nose portion and the mouth portion of the wearer for providing the wearer with the purified gas to breath.

Abstract: A system-in-package chip of printer driver system applicable in a printer includes a first chip, a second chip, and a third chip. The first chip, the second chip, and the third chip are arranged in a common package. The first chip and the second chip are arranged side-by-side on a carrier in the common package. The third chip is arranged on a top portion of the first chip in the common package. A wire carrier structure is formed on the top portion of the first chip before the third chip is disposed on the first chip.

Abstract: The present disclosure provides a method of antenna calibration for a radio system comprising an antenna system comprising a plurality of antenna elements corresponding to a plurality of radio chains. The method comprising performing first level antenna calibrations at a first time interval and performing second level antenna calibrations in between the first level antenna calibrations at a second time interval, wherein the second level antenna calibrations are based on estimations, and length of the first time interval is of more than one length of second time intervals. The present disclosure also provides a corresponding device, computer programs, and computer-readable storage.

Abstract: Disclosed is an integrated urine anaerobic collection and culture apparatus, comprising: a catheter, at a front end of which a circular arc-shaped guide part and a first through hole are arranged, where a piston part is arranged inside the front end of the catheter; a first branch tube and a second branch tube, which are connected with the catheter, the first branch tube is connected with a first negative pressure vessel, and the first branch tube and the second branch tube are respectively provided with a first valve and a second valve; an aseptic centrifuge tube, which includes a tube body and a first cover body, where the first cover body is provided with a first check valve and a second check valve; a second negative pressure vessel. The present disclosure can realize the whole anaerobic operation of urine collection and culture in the bladder.

Abstract: A distributed storage system includes table controllers collectively storing partitions of a logical table having multiple rows. For each of the partitions, a corresponding table controller stores a subset of the rows of the logical table across individual pages. A management controller updates a schema of the logical table from a first to a second schema definition by, for each of the partitions, sending an update command indicating the second schema definition to the corresponding table controller. The first table controller corresponds to a first partition that includes a first subset of the rows. The first table controller, prior to receiving the update command, includes an identifier of the first schema definition within each page of data for the first subset. Subsequent to receiving the update command, the first table controller, when writing each new page of data for the first subset, includes an identifier of the second schema definition.

Abstract: A wearable display device is disclosed and includes a main body, a heat dissipation processing module and an inflatable actuation module. The main body includes a front cover, a lateral cover, an inflatable airbag, a circuit board and a microprocessor. The heat dissipation processing module is configured to perform heat exchange with the microprocessor, and includes a first actuator, a heat pipe and a cooling chip. The inflatable actuation module includes a base, a ventilation channel, a second actuator and a valve component. When the second actuator and the valve component are driven, the valve component is opened and the second actuator is enabled, the gas is transported and inflates the inflatable airbag through the ventilation channel, so that the main body is stably fitted and positioned on the head of the wearer.

Abstract: Aspects of the invention include converting an artificial intelligence (AI) model generated in a first framework to a uniform exchange formatted model by engaging a master table to retrieve instructions for converting from the AI model to the uniform exchange formatted model in accordance with the first framework. The uniform exchange formatted model in compiled by engaging the master table to retrieve instructions for compiling the uniform exchange formatted model in accordance with the first framework. Data is received as an input to the compiled uniform exchange formatted model and an output is generated by engaging the master table to retrieve instructions for generating the output in accordance with the first framework.

Abstract: Embodiments of this application provide a virtual map switching method performed by a computer device. The method includes: receiving a map switching request transmitted by a client, the map switching request instructing to switch the client from a first map corresponding to a first map server to a second map corresponding to a second map server; transmitting session data and character data to the second map server in response to the map switching request, the session data instructing the second map server to create a session with the client, and the character data instructing the second map server to create a virtual character in the second map; and transmitting a second map switching response to the client, the second map switching response instructing the client to perform the session with the second map server to control the virtual character in the second map.

Abstract: A first layer of anisotropic material extends along a first plane and includes anisotropic components being parallel to a second plane non-parallel and non-perpendicular to the first plane. The anisotropic components are arranged in cycloidal or helical patterns. The cycloidal or helical patterns define one or more Bragg planes that are non-parallel and non-perpendicular to the first plane and either substantially parallel or substantially perpendicular to the second plane.

Abstract: System and techniques for capability discovery in an information centric network (ICN) are described herein. An ICN node receives a discovery packet that includes a discovery type corresponding to an indication of a node capability requested by a source node of the discovery packet. First capability data, from an intermediate node, is extracted from the discovery packet. The first capability data is stored locally by ICN node. Second capability data from the ICN node is added to the discovery packet to create an expanded discovery packet. The expanded discovery packet is then communicated by the ICN node.

Abstract: Implementations of a sintering film frame may include a frame including an outer perimeter and an inner perimeter, the inner perimeter defining an opening through the frame; a position detection opening through the frame; at least two alignment holes through the frame; and a frame identifier on a side of the frame.

Abstract: A driving circuit of fluid pump module includes a microprocessor, a primary boost circuit, and a pump driving circuit is provided. The microprocessor receives an output signal with a large-width variable rectangular waveform, a driving voltage, a first detection current-feedback signal, and a second detection current-feedback signal. The primary boost circuit converts an inputted driving voltage into a direct current with a certain high voltage. The pump driving circuit receives the certain high voltage and is connected with the microprocessor to receive the voltage control signal and the pulse-width modulation (PWM) signal. The secondary boost circuit receives the certain high voltage to boost the certain high voltage into a working voltage for the fluid pump. The operation driving circuit receives the working voltage and provides the pulse-width modulation signal for the fluid pump through the second detection current-feedback signal.

Abstract: An air intake device includes a supercharger, a connection tube, an intercooler, and an intake manifold. The supercharger is connected to an exhaust port of a cylinder. The intercooler is connected to the supercharger through the connection tube. The intake manifold is connected to the intercooler and an intake port of the cylinder. The intercooler is located above a cylinder head of an engine. The device of the present disclosure features less height space occupation, a short connection tubeline between elements and a compact structure, which is beneficial for an increase of the pressurization response speed and reduction in the cost.