Abstract: A media data decryption method includes: obtaining a media data encryption package, wherein the media data encryption package is obtained by performing pixel rearrangement encryption on original media data based on position index data, and the position index data correspond to one or more structural parameters of a display screen; decrypting the media data encryption package to obtain the position rearrangement index data and media data to be decrypted; configuring a programmable logic circuit of a control system of the display screen in a media data play terminal based on the position rearrangement index data; and decrypting the media data to be decrypted based on the configured programmable logic circuit to obtain decrypted media data.

Abstract: A recommendation method includes the following steps: constructing a user project interaction graph under behaviors based on an interaction between a user and a project under a plurality of behaviors; performing decoupling attribute domain characterization processing on the user project interaction graph to obtain project decomposition embedding corresponding to a project node and user decomposition embedding corresponding to a user node in a plurality of decoupled attribute domains; for the plurality of attribute domains corresponding to the user project interaction graph, calculating an attention score between the user node under the attribute domains and a project node adjacent to the user node based on the project decomposition embedding and the user decomposition embedding.

Abstract: A data processing method, a data processing apparatus, and a health management apparatus. The data processing method includes: performing data processing on device-related data from a device associated with a health management apparatus. The data processing apparatus and the health management apparatus can improve the uniformity of memories provided to be associated with the health management apparatus.

Abstract: Methods and systems for applying low-voltage switches in high voltage digital envelope tracking. A method includes setting a generator and a modulator of a digital envelope tracking system to a low voltage and sensing a high input voltage, a low input voltage, a first voltage, and a second voltage using one or more voltage sensors. The method also includes determining if the low input voltage may be connected to the digital envelope tracking system, then generating the second voltage using a first switch, then determining if the high input voltage may be connected to the digital envelope tracking system to generate the first voltage. The method also includes, upon determining that the high input voltage may be connected to the digital envelope tracking system to generate the first voltage, initiating a digital envelope tracking process.

Abstract: Methods and systems multiple level envelope tracking using multi half bridges. A power modulator system includes one or more power supply modulators configured to provide a power amplifier drain voltage, each of the one or more power supply modulators including, one or more half bridges including one or more drivers, and one or more logic and dead time adjust circuits. A method includes generating one or more power supply modulators using one or more half bridges, providing power amplifier drain voltage based on the one or more power supply modulators, and setting a dead time set for each of the one or more half bridges using one or more logic and dead time adjust circuits.

Abstract: A method for producing and preparing a steel bar for automotive bushings by means of an ecological and economical arc furnace is provided. The steer bar contains, in percentage by mass: 0.18-0.23% of C, 0.20-0.35% of Si, 0.42-0.60% of Mn, less than or equal to 0.015% of P, less than or equal to 0.010% of S, 0.82-1.00% of Cr, less than or equal to 0.25% of Ni, 0.41-0.53% of Mo, less than or equal to 0.15% of Cu, and the balance of Fe and inevitable impurities. By means of smelting in an ecological and economical arc furnace, LF refining, RH refining, continuous casting, a heating process and a rolling process, the method enables batch production of the steel bar for an automobile shaft sleeve by means of a continuous casting procedure using the ecological and economical arc furnace.

Abstract: A method of encrypting media data includes: obtaining the media data and one or more structure parameters of a display screen of a data playback device; constructing a data arrangement table based on the structure parameters; performing a data rearrangement operation on the data arrangement table to obtain position rearrangement index data, where the position rearrangement index data represents a mapping relationship between a logical position of each of pixels of the display screen and a physical position of the each of pixels; and performing pixel rearrangement encryption on each of one or more image frames of the media data based on the position rearrangement index data, to obtain encrypted media data.

Abstract: A health administration method, a health administration apparatus, a health administration system, and a data collection apparatus are provided. The health administration method involves a plurality of objects and a plurality of devices, and includes: generating a device usage record of at least one object based at least on identity information of the at least one object among the plurality of objects and data generated by a device used by the at least one object (S10), and providing the device usage record of the at least one object to a memory associated with a health administration apparatus (S20). The health administration method, the health administration apparatus, the health administration system, and the data collection apparatus can improve work efficiency of medical workers.

Abstract: Disclosed is separation process of valuable metals from copper anode slime based on oxidation potential modulation, belonging to the technical field of industrial solid waste resource utilization. The differences in redox properties of different metal elements are used to precisely regulate the oxidation potential and acidity of the leaching solution by regulating the amount of oxidizing agent and acid added, so as to selectively and graded leaching and separating the copper (Cu), selenium (Se), tellurium (Te), and silver (Ag) metal elements, and the oxidants used are substances such as H2O2, O2 and O3.

Abstract: A method includes calibrating, at a wireless device, a wireless fidelity (Wi-Fi) chipset-level timer based on a time synchronization function (TSF) frame received from a Wi-Fi access point. The method also includes performing, at the wireless device, a coarse synchronization of a microcontroller-level or CPU-level timer based on the calibrated Wi-Fi chipset-level timer. The method further includes performing, at the wireless device, a fine synchronization of the microcontroller-level or CPU-level timer after the coarse synchronization. The fine synchronization is performed according to a first time scale measured in first time units and the coarse synchronization is performed according to a second time scale measured in second time units that are a multiple of the first time units.

Abstract: A method of encrypting media data includes: obtaining the media data and one or more structure parameters of a display screen of a data playback device; constructing a data arrangement table based on the structure parameters; performing a data rearrangement operation on the data arrangement table to obtain position rearrangement index data, where the position rearrangement index data represents a mapping relationship between a logical position of each of pixels of the display screen and a physical position of the each of pixels; and performing pixel rearrangement encryption on each of one or more image frames of the media data based on the position rearrangement index data, to obtain encrypted media data.

Abstract: Heat pipes and vapor chambers that are components of a DIMM cooling assembly are described.

Abstract: A fingerprint identification circuit, a display panel, and a control method thereof. A first electrical signal is generated by a light sensation circuit in that fingerprint identification circuit according to the detected optical signal reflected by the finger, potential information of the first electrical signal is stored in a holding circuit, and a second electrical signal for fingerprint identification is output by a scanning circuit according to the potential information of the first electrical signal stored in the holding circuit, so that the fingerprint identification device can complete the collection of the electrical signals output by all the fingerprint identification circuits set by the fingerprint identification device in the case that the residence time of the user's finger is short, thereby supporting the design of fingerprint identification circuits with larger area and higher density in the optical fingerprint identification device.

Abstract: A fingerprint identification circuit, a display panel, and a control method thereof. A first electrical signal is generated by a light sensation circuit in that fingerprint identification circuit according to the detected optical signal reflected by the finger, potential information of the first electrical signal is stored in a holding circuit, and a second electrical signal for fingerprint identification is output by a scanning circuit according to the potential information of the first electrical signal stored in the holding circuit, so that the fingerprint identification device can complete the collection of the electrical signals output by all the fingerprint identification circuits set by the fingerprint identification device in the case that the residence time of the user's finger is short, thereby supporting the design of fingerprint identification circuits with larger area and higher density in the optical fingerprint identification device.

Abstract: The present invention provides a power control circuit which has a timing unit used for timing an elapsed time of current half cycle of the phase-cut AC power supply signal, outputting a current accumulated timing duration, and outputting a first control signal at a starting moment when a starting point of a half cycle of the AC power supply signal is detected; a regulating unit connected to the timing unit and comprising a temporary storage module, wherein a final reference time interval is stored in the temporary storage module, and when the current accumulated timing duration reaches the final reference time interval, the regulating unit outputs a second control signal; and a control unit connected to the detection unit and the regulating unit and used for controlling current in a load based on the first control signal and the second control signal.

Abstract: A data processing method, a data processing apparatus, and a health management apparatus. The data processing method includes: performing data processing on device-related data from a device associated with a health management apparatus. The data processing apparatus and the health management apparatus can improve the uniformity of memories provided to be associated with the health management apparatus.

Abstract: A linear driving system for LED with high power factor including a rectifying circuit receiving an AC voltage and generating a DC voltage to a power supply bus having a protection circuit coupled thereto. The protection circuit includes a detection unit for acquiring a voltage signal based on a power supply bus voltage, and to generate a detection result which indicates undesirable oscillation on the power supply bus voltage. A control unit includes a delay control module connected with the detection unit, and is coupled to the detection unit and for generating a control signal based on the detection result. The delay control module is for outputting a first control signal when undesirable oscillation happens, and outputting a second control signal after a protection period when undesirable oscillation disappears. A switch circuit controlled by the first control signal and the second control signal turns off for the protection period.

Abstract: Disclosed methods, systems, and apparatus, include computer programs encoded on computer storage media, for performing allocation of M resources among N users into K pools by solving a knapsack problem (KP) using a distributed computing system. The method includes: receiving data representing K global constraints and L local constraints of the KP; transforming the KP into a dual problem using K dual multipliers; decomposing the dual problem into N sub-problems; performing two or more iterations in solving the dual problem, wherein in one iteration, for each dual multiplier corresponding to a global constraint corresponding to a pool: determining an updated dual multiplier for the global constraint corresponding to the pool to be a non-negative threshold; and computing M decision variables of each of the N users corresponding to the updated dual multiplier in solving each of the N sub-problems corresponding to the each of the N users.

Abstract: A health administration method, a health administration apparatus, a health administration system, and a data collection apparatus are provided. The health administration method involves a plurality of objects and a plurality of devices, and includes: generating a device usage record of at least one object based at least on identity information of the at least one object among the plurality of objects and data generated by a device used by the at least one object (S10), and providing the device usage record of the at least one object to a memory associated with a health administration apparatus (S20). The health administration method, the health administration apparatus, the health administration system, and the data collection apparatus can improve work efficiency of medical workers.

Abstract: A control circuit and method for a bleeder, a chip, and a driver system. The bleeder control circuit is connected to a dimmer detector used for detecting the presence or absence of a dimmer and a type of the dimmer. The control circuit of the bleeder is used to receive a detection signal outputted by the dimmer detector, and generate a control signal for the bleeder according to the detection signal, the control signal is used to control an operating state of the bleeder. The application correspondingly generates a control signal for a bleeder according to a detection signal indicating the presence or absence of a dimmer and the type of the dimmer so as to control the bleeder to operate only at a given phase interval, and may thereby reduce the power consumption of the bleeder when ensuring the stable operation of a dimmer.