Abstract: A chip package includes a substrate, a first die, a second die, and a beam structure. The first die and the second die are disposed on a side of the substrate and are electrically connected to the substrate. The beam structure is disposed between the first die and the second die. A first end of the beam structure is stacked with and fixedly connected to a part of the first die, a second end is stacked with and fixedly connected to a part of the second die, and the beam structure is insulated from and connected to the first die and the second die. A thermal expansion coefficient of the beam structure is less than a thermal expansion coefficient of the substrate.

Abstract: A strap with a failure indicator and a safety device including the strap. The strap comprises: a main body structure formed by knitting; and one or more second yarns integrated straight into the main body structure in the length direction of the main body structure along the entire length of the main body structure and at least partially fixed to the main body structure, wherein the main body structure and the second yarn are selected such that the main body structure and the second yarn are elongated and do not break under a predetermined amount of a tensile force, and after the tensile force is released, the main body structure retracts, such that at least one second yarn at least partially protrudes from a plane of the main body structure to form a failure indicating loop. The safety device comprises a component formed by the strap with a failure indicator.

Abstract: The present disclosure discloses a sample preliminary screening chip, a specimen detecting method and a screening device. A data processor may be configured to control a sample solution containing a specimen to be added into a preliminary screening inlet of the sample preliminary screening chip, and control the sample solution in the preliminary screening inlet to enter a channel, successively to flow through a first preliminary screening area and a second preliminary screening area, and to flow out from a preliminary screening outlet so as to store a liquid with the specimen in a first preliminary screening area. In this way, the liquid containing the specimen may be screened preliminarily.

Abstract: A high-performance sintered neodymium-iron-boron magnet and a preparation method therefor are provided. The magnet is prepared by means of diffusion heat treatment, using R1mFenBpM2w as a substrate and the alloy RHxM1yBz as a diffusion source. A detachable material reaction bucket is employed for diffusion. The diffusion source can be reused to reduce the production cost of the sintered neodymium-iron-boron magnet and can be applied to a magnet of a large size, and can in particular ensure mass production of a cost-effective sintered neodymium-iron-boron product with a thickness of 8-30 mm in an orientation direction.

Abstract: A method of monitoring performance of a building system to control ambient conditions within the interior of a structure including: detecting a physiological condition of an individual within the interior of the structure; detecting an ambient condition within the interior of the structure; determining a user activity that is assigned to an area within the interior of the structure where the individual is located; and determining a wellness performance score of the area in response to at least the physiological condition, the ambient condition, and the user activity that is assigned to an area within the interior of the structure where the individual is located.

Abstract: The invention relates to an electrochemically assisted ion exchange water treatment device comprising a first inlet feeding water into line L0 a prefiltration unit, an electrochemical cell assembly capable of removing ions from a solution stream, the assembly comprising a first unit comprising at least two electrochemical cells connected in parallel with each other, and a second unit connected in series to the first unit; a second inlet for feeding water into line FL during regeneration state, wherein FL feeds water into the first and second units through lines FL12 and FL3 respectively; wherein line FL12 further branches into two lines to feed water into both cells of the first unit; a wastewater line WL and an outlet for discarding wastewater from the cells; a carbon filtration unit positioned downstream of the assembly; an outlet for dispensing treated water.

Abstract: The invention relates to an electrochemically assisted ion exchange water treatment device. Disclosed is a water treatment device comprising a first inlet feeding water into line L0; a prefiltration unit; a water treatment unit comprising an electrochemical cell assembly comprising of at least one electrochemical cell; and a reverse osmosis unit, wherein the electrochemical cell assembly and the reverse osmosis unit are connected in parallel; a wastewater line for discarding wastewater from the electrochemical cell, through the waste water outlet; a wastewater line for discarding reject water from the reverse osmosis unit, through the reject water outlet; a carbon filtration unit positioned on line L0 downstream of the point N; and an outlet for dispensing treated water. The invention provides a device which gives significantly higher recovery of treated water.

Abstract: The present disclosure relates to a split-screen effect generating method and apparatus, a device, and a medium. The method comprises: displaying a split-screen model in a material operation area of an effect manufacturing interface; in response to a trigger operation on a sub-screen contained in the split-screen model, determining a target sub-screen model, and displaying the target sub-screen model at a next display level of the split-screen model; in response to a first material loading operation, loading a common effect material to the material operation area, and displaying the common effect material at the next display level of the split-screen model, wherein the common effect material has the same display level as the target sub-screen model in the material operation area; and generating a split-screen effect on the basis of the split-screen model, the common effect material, and the target sub-screen model.

Abstract: A base station energy saving method includes: determining, for one or more low-energy-efficiency cells in a low-energy-efficiency cell set, a high-energy-efficiency cell paired with each low-energy-efficiency cell from a high-energy-efficiency cell set, where a coverage area of the low-energy-efficiency cell partially overlaps a coverage area of the high-energy-efficiency cell paired with the low-energy-efficiency cell, and energy efficiency of a cell in the low-energy-efficiency cell set is lower than energy efficiency of a cell in the high-energy-efficiency cell set; and sending indication information to a base station of the low-energy-efficiency cell or a management network element configured to manage the low-energy-efficiency cell. The user equipment in the low-energy-efficiency cell may be handed over to the high-energy-efficiency cell paired with the low-energy-efficiency cell.

Abstract: The present invention provides a design method of a high energy efficiency Unmanned Aerial Vehicle (UAV) communication system assisted by an intelligent reflecting surface, and belongs to the technical field of UAV communication network energy efficiency optimization. A communication process comprises two transmission links, one link is directly sent from an information source to an information sink, and the other link is reflected and transmitted by an intelligent reflecting surface attached to a UAV. The two links exist simultaneously. Based on an idea of block iteration, an original problem is decomposed into three sub-problems, and a non-convex optimization problem is transformed into solvable concave-convex fractional program problems by a continuous convex approximation technique. The present invention provides a design method for joint optimization of a passive beamforming of the intelligent reflecting surface, an active beamforming of a base station and a flight trajectory of the UAV.

Abstract: Disclosed are a low-cost high-efficiency drip irrigation system for a cotton field and a use method thereof. The drip irrigation system for a cotton field includes a filtering device and a water supply device; wherein the filtering device adopts different types of single filtering devices or combined filtering devices according to different water source types; the water supply device includes multiple stages of main pipes, submain pipes and laterals; the laterals (a drip irrigation tape with labyrinth on one side or a drip irrigation tape inlaid with emitters inside) are laid on the surface of the ground and located below a mulch film. The drip irrigation system adopts the design of large flow (1.5-3.4 L/h), slightly larger pipe diameter (>75 mm), low water pressure (operating pressure of drip irrigation tape being 0.03-0.07 MPa) and suitable drip irrigation uniformity (80%-90%).

Abstract: A method and apparatus for determining a drug code. The method may include: obtaining a specification text of a drug (201); extracting drug key information in the specification text (202); obtaining, on the basis of a pre-created code inverted index, at least one code related to the drug key information and an ingredient corresponding to each code (203); and screening the at least one code on the basis of the drug key information and the ingredient corresponding to each code to obtain an anatomical therapeutic chemical classification system code of the drug (204).

Abstract: A biological detection chip, a biological detection device, and a detection method thereof are disclosed. The biological detection chip includes a first base substrate and a plurality of detection units arranged in an array along a row direction and a column direction on the first base substrate. Each of the plurality of detection units includes a thin film transistor and an electrode, the thin film transistor is on the first base substrate and includes a gate electrode, a source electrode, and a drain electrode, and the electrode is on a side of the thin film transistor away from the first base substrate and is connected to the drain electrode, and the electrode is configured to carry a biological material to be detected.

Abstract: A design method of a high energy efficiency unmanned aerial vehicle (UAV) green data acquisition system belongs to the technical field of data acquisition and optimization for UAV uplink communication. Firstly, a system optimization objective is constructed; and in a uplink communication network of a single UAV and ground sensors, the UAV receives data periodically. Secondly, according to a constructed optimization problem, the optimization objective is maximization of EE({W},{t},{S}). Finally, an original problem is decomposed into two approximate concave-convex fractional sub-problem based on a block coordinate descent method and a successive convex approximation technique to obtain a suboptimal solution; an overall iterative algorithm is proposed: in each iteration, by solving the sub-problems, wake-up scheduling S, time slot t and UAV trajectory W are alternately optimized. The solution obtained in each iteration is used as the input of next iteration.

Abstract: A method and apparatus for processing model data, which relate to the technical field of artificial intelligence. The method comprises: acquiring data of at least two different modalities in a to-be-processed dataset; performing feature extraction on the data of at least two different modalities, then splicing and/or superimposing same, and obtaining a feature sequence; performing model mapping on the feature sequence, to obtain multi-modal input data adapted to an autoregressive model; and inputting the multi-modal input data into the autoregressive model, and obtaining a single-modal result outputted by the autoregressive model.

Abstract: The technology of this application relates to a chip package that includes a substrate, a die, a first protection structure, and a blocking structure. The first protection structure wraps a side surface of the die, the blocking structure wraps a surface that is of the first protection structure and that is away from the die, and a first surface of the die, a first surface of the first protection structure, and a first surface of the blocking structure are flush. The first surface of the die is a surface that is of the die and that is away from the substrate, the first surface of the first protection structure is a surface that is of the first protection structure and that is away from the substrate, and the first surface of the blocking structure is a surface that is of the blocking structure and that is away from the substrate.

Abstract: Systems and methods for optimal electron beam metrology guidance are disclosed. According to certain embodiments, the method may include receiving an acquired image of a sample, determining a set of image parameters based on an analysis of the acquired image, determining a set of model parameters based on the set of image parameters, generating a set of simulated images based on the set of model parameters. The method may further comprise performing measurement of critical dimensions on the set of simulated images and comparing critical dimension measurements with the set of model parameters to provide a set of guidance parameters based on comparison of information from the set of simulated images and the set of model parameters. The method may further comprise receiving auxiliary information associated with target parameters including critical dimension uniformity.

Abstract: A digital microfluidic chip and a digital microfluidic system. The digital microfluidic chip comprises: an upper substrate and a lower substrate arranged opposite to each other; multiple driving circuits and multiple addressing circuits disposed between the lower substrate and the upper substrate; and a control circuit, electrically connected to the driving circuits and the addressing circuits. The control circuit is configured to apply, in a driving stage, a driving voltage to each driving circuit, such that a droplet is controlled to move inside a droplet accommodation space according to a set path, measure, in a detection stage, after a bias voltage is applied to each addressing circuit, a charge loss amount of each addressing circuit, and to determine the position of the droplet according to the charge loss amount. The charge loss amount of each addressing circuit is related to the intensity of received external light.

Abstract: A chip for polymerase chain reaction, a method of operating a chip for polymerase chain reaction, and a reaction device are provided. The chip includes: a sample adding region, a mixing region, a temperature cycling region in a sequential arrangement, and at least one driving unit group. The at least one driving unit group includes a plurality of driving units and is configured to drive a liquid drop to move and sequentially pass through the sample adding region, the mixing region, and the temperature cycling region.