Abstract: Disclosed are a special fertilizer for intercropping maize and peanuts and a cultivation method for maintaining soil organic carbon (SOC) balance, belonging to the technical field of SOC balance. The special fertilizer for intercropping maize and peanuts includes the following raw materials: coated urea, heavy superphosphate, ammonium sulfate, fermented soybean meal, bentonite, sodium molybdate, borax, humic acid, ammonium dihydrogen phosphate, plant ash and zinc sulfate heptahydrate. The cultivation method includes the steps of land selection, land preparation, fertilizing, sowing, field management, and rotation.

Abstract: Provided are a database processing method and apparatus, and a computer readable storage medium. The database processing method comprises: after a lock wait is generated, writing lock wait related information into a lock wait log.

Abstract: A processor device has a CPU cooperating with an input device and an output device, under control of stored instructions, and is arranged to receive service requests at the input device, assign service requests received in successive time periods to respective batches of requests; access stored service provider data to identify available service providers from among a pool of service providers; after completing the assignment of service requests to a batch, perform a matching process to endeavour to match each service request of the batch of requests to a service provider; and for each service provider to whom a match is made, output a notification of the respective potential match from the output device.

Abstract: A manufacturing method for low-magnetostrictive oriented silicon steel is provided, wherein the oriented silicon steel comprises a silicon steel substrate and an insulating coating on the surface of the silicon steel substrate. The manufacturing method comprises: performing single-sided laser etching on the silicon steel substrate, wherein the side of the silicon steel substrate, on which single-sided laser etching is performed, is a first surface, and the side opposite to the first surface is a second surface; determining a deflection difference between the first surface and the second surface based on the power of the laser etching, and determining a difference in the amount of the insulating coatings on the first surface and the second surface based on the deflection difference; and forming insulating coatings on the first surface and the second surface.

Abstract: The disclosed embodiments concern methods, systems and computer program products for determining sequences of interest using unique molecular indexes (UMIs) that are uniquely associable with individual polynucleotide fragments, including sequences with low allele frequencies or long sequence length. In some implementations, the UMIs include variable-length nonrandom UMIs (vNRUMIs). Methods and systems for making and using sequencing adapters comprising vNRUMIs are also provided.

Abstract: An antenna structure includes a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a dielectric substrate. The first radiation element has a feeding point. The second radiation element is coupled to the first radiation element. The third radiation element is coupled to a first grounding point. The third radiation element is further coupled through the fourth radiation element to a second grounding point. The fifth radiation element is coupled to the third radiation element and the fourth radiation element. The fifth radiation element is adjacent to the second radiation element. The first radiation element and the second radiation element are at least partially surrounded by the third radiation element, the fourth radiation element, and the fifth radiation element.

Abstract: A display panel and a mobile terminal are provided. The display panel includes a flat area and a curved area. The display panel includes a panel body and a hard support layer that are stacked. The panel body includes a flat portion located in the flat area and a curved portion located in the curved area. The hard support layer includes a first bonding portion provided on one side of the flat portion and a second bonding portion provided on one side of the curved portion. A bending modulus of the second bonding portion is less than a bending modulus of the first bonding portion.

Abstract: The present disclosure provides a video processing method, an apparatus, a device and a storage medium. The method includes: after determining a target effect style and determining a target video clip based on presentation of a video to be processed on a timeline, establishing a binding relationship between the target effect style and the target video clip in response to an effect application trigger operation, so as to achieve an effect of applying the target effect style to the target video clip. The embodiment of the present disclosure, by establishing the binding relationship between the target effect style and the target video clip, achieves the effect of effect processing only on a certain video clip of the video, thereby meeting the user's demand of effect processing only on a certain video clip, which increases flexibility of video effect processing, and further improves the user's experience of video effect processing.

Abstract: A driving circuit and a driving method are provided. The driving circuit includes a power stage circuit and a full-bridge circuit. The power stage circuit is configured to receive an input voltage, and generate an output voltage at an output port of the power stage circuit. The full-bridge circuit is coupled to the output port of the power stage circuit and is configured to perform charging and discharging on a piezoelectric load. An operating mode of the full-bridge circuit is controlled, so that a supply voltage signal for driving the piezoelectric load during a first operating interval of an operating cycle corresponds to a reference voltage in a first interval, and the supply voltage signal during a second operating interval of the operating cycle corresponds to the reference voltage in a second interval. The driving circuit has a small volume, which is conducive to circuit integration.

Abstract: A wearable device includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, and a fifth radiation element. The first radiation element has a feeding point, and is coupled to a first grounding point on the ground element. A slot region is surrounded by the first radiation element and the ground element. The second radiation element is coupled to a second grounding point on the ground element. The third radiation element is coupled to the second grounding point. The third radiation element and the second radiation element substantially extend in opposite directions. The fourth radiation element and the fifth radiation element are disposed inside the slot region. An antenna structure is formed by the first radiation element, the second radiation element, the third radiation element, the fourth radiation element, and the fifth radiation element.

Abstract: A digital isolator can include: an encoding circuit configured to receive an input digital signal, and to generate an encoded signal according to the input digital signal; an isolation element having a primary winding, a first secondary winding, and a second secondary winding; a differential circuit configured to receive first and second differential signals, and to generate a difference signal according to the first and second differential signals; and a decoding circuit coupled with the differential circuit, and being configured to receive the difference signal, and to generate a target digital signal after decoding.

Abstract: An antenna structure includes a ground element, a first radiation element, a second radiation element, a third radiation element, and a nonconductive support element. The first radiation element is coupled to a first grounding point on the ground element. The second radiation element has a feeding point. The second radiation element is adjacent to the first radiation element. The third radiation element is coupled to a second grounding point on the ground element. The third radiation element is adjacent to the second radiation element. The first radiation element, the second radiation element, and the third radiation element are disposed on the nonconductive support element. The second radiation element is at least partially surrounded by the first radiation element. The third radiation element is at least partially surrounded by the second radiation element.

Abstract: The disclosed embodiments concern methods, apparatus, systems and computer program products for determining sequences of interest using unique molecular index sequences that are uniquely associable with individual polynucleotide fragments, including sequences with low allele frequencies and long sequence length. In some implementations, the unique molecular index sequences include variable-length nonrandom sequences. In some implementations, the unique molecular index sequences are associated with the individual polynucleotide fragments based on alignment scores indicating similarity between the unique molecular index sequences and subsequences of sequence reads obtained from the individual polynucleotide fragments. System, apparatus, and computer program products are also provided for determining a sequence of interest implementing the methods disclosed.

Abstract: Provided is a data augmentation system including at least one processor configured to: acquire a first search query including a first named entity, which was actually input in a search executed in a past; execute training of a first model that outputs a second search query including a virtual second named entity, which is different from the first named entity, based on the first search query; and execute data augmentation based on the second search query output by the trained first model.

Abstract: A method for training a three-dimensional face reconstruction model includes inputting an acquired sample face image into a three-dimensional face reconstruction model to obtain a coordinate transformation parameter and a face parameter of the sample face image; determining the three-dimensional stylized face image of the sample face image according to the face parameter of the sample face image and the acquired stylized face map of the sample face image; transforming the three-dimensional stylized face image of the sample face image into a camera coordinate system based on the coordinate transformation parameter, and rendering the transformed three-dimensional stylized face image to obtain a rendered map; and training the three-dimensional face reconstruction model according to the rendered map and the stylized face map of the sample face image.

Abstract: An image rendering method includes the steps below. A model of an environmental object is rendered to obtain an image of the environmental object in a target perspective. An image of a target object in the target perspective and a model of the target object are determined according to a neural radiance field of the target object. The image of the target object is fused and rendered into the image of the environmental object according to the model of the target object.

Abstract: A wearable device includes a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a sixth radiation element. The first radiation element has a feeding point. The first radiation element is coupled to the ground element. The third radiation element is coupled through the second radiation element to the first radiation element. The fourth radiation element is coupled through the second radiation element to the first radiation element. The fifth radiation element is coupled to the first radiation element. The sixth radiation element is coupled to the ground element. The sixth radiation element is adjacent to the fourth radiation element. An antenna structure is formed by the first radiation element, the second radiation element, the third radiation element, the fourth radiation element, the fifth radiation element, and the sixth radiation element.

Abstract: A power converter can include: positive and negative input terminals configured to receive an input voltage; positive and negative output terminals configured to generate an output voltage; first and second power switches sequentially coupled in series between the positive input terminal and a first node; third and fourth power switches sequentially coupled in series between a second node and the negative input terminal, where there is no physical connection between the first node and the second node; a first energy storage element coupled between a common terminal of the first and second power switches and a common terminal of the third and fourth power switches; a first multi-level power conversion circuit coupled between the first node and the positive output terminal; and a second multi-level power conversion circuit coupled between the first node and the positive output terminal.

Abstract: A method of driving a switching element in a switching circuit, where the switching element comprises a plurality of power transistors coupled in parallel, can include: determining a state of a load in the switching circuit; decreasing a driving voltage of at least one power transistor in order to reduce driving loss of the switching element when a load is in a first load state; and maintaining driving voltages of the plurality of power transistors at a first threshold when the load is in a second load state.

Abstract: A virtual image generation method and apparatus, an electronic device and a storage medium which relates to the field of artificial intelligence technologies such as augmented reality, computer vision and deep learning. A specific implementation scheme involves: acquiring base coefficients corresponding to key points of a target face based on a target face picture; generating a structure of a virtual image of the target face based on a mapping relationship of spatial alignment between a preset virtual model and a standard model, a base of the standard model and the base coefficients corresponding to the key points of the target face; and performing texture filling on the structure of the virtual image based on textures of the target face picture, to obtain the virtual image of the target face.