Abstract: A photonic integrated circuit (PIC) includes a substrate, a light emitting element comprising a first material on the substrate, and an optical structure comprising a second material on the substrate. The light emitting element is configured to generate light of a first frequency or wavelength range. The optical structure is optically coupled to the light emitting element to receive the light of the first frequency or wavelength range therefrom, and comprises a nonlinear optical element that is configured to generate far UVC light of a second frequency or wavelength range. The optical structure further comprises a transition element that is tapered between a first width adjacent to the light emitting element and a second width distal from the light emitting element and/or a polarization management element that is configured to alter a first polarization of the light received from the light emitting element to a second polarization.

Abstract: A light-emitting substrate and a method for manufacturing the same, and a display device are provided. In the light-emitting substrate, the first electrode includes a cover portion not exposed by the first via hole, the cover portion of the first electrode includes an upper surface away from the base substrate, a first included angle is between a surface where the first slope surface is located and the upper surface of the cover portion, a second included angle is between a surface where the second slope surface is located and the upper surface of the cover portion, and the second included angle is greater than the first included angle; and the first electrode and the second electrode of the electrical connection structure provide an electrical signal to the light-emitting device for driving the light-emitting device to emit light.

Abstract: The present disclosure provides a chlorosulfonated polypropylene carbonate having a structure represented by Formula I, and the production method and use thereof in the fields of binders, stickers, coatings, and others. The present disclosure introduces a highly active chlorosulfonyl group into the molecular chain of polypropylene carbonate, the molecular weight of the final product is decreased at a different degree, and the interface compatibility of the polypropylene carbonate with various substrates can be effectively adjusted and controlled, so that the state and viscosity of the product are modified. At the same time, the chlorosulfonated polypropylene carbonate is also a fully biodegradable material.

Abstract: An orally administered antibiotic encapsulated in nanospheres, as well as its preparation method and application. The antibiotic encapsulated in the nanospheres includes an antibiotic and a degradable biocompatible polymer that encapsulates the antibiotic, wherein biocompatible polymer includes monosaccharide-modified poly (ethylene glycol)-poly(lactic-co-glycolic acid) (PEG-PLGA), which can significantly improves the damage caused by oral antibiotics to the intestinal microbiota, avoids destruction of the microbial community, thereby preventing chronic diseases associated with intestinal microbial imbalance, and a good biocompatibility and long-term safety.

Abstract: At least one method and apparatus are presented for efficiently encoding or decoding video, for example human-centric video content. For example, at least one embodiment receiving a bitstream comprising a low-quality representation of at least one region of a sequence of images along with metadata specifying at least one generic codebook-based representation of a generic feature of at least one region of the sequence of images, wherein the at least one generic codebook-based representation allows determining, by a generative branch, a generic feature adapted to a plurality of computer vision tasks; and decoding, from the bitstream, a reconstructed image adapted to a plurality of computer vision tasks including both machine consumption and human consumption. Advantageously, such representation with associated metadata provides, for content such as human-centric video, a generative video coding framework that can be flexibly configured to accommodate both human and machine consumption.

Abstract: Systems and methods for hashing ordinals under a modified blockchain protocol for blockchain events following ordinal theory. Ordinal identifiers are assigned to unspent inputs for a blockchain event. Content associated with multiple ordinals are embedded into data fields of the unspent inputs, which are then transferred to blockchain event outputs. The blockchain event outputs, including the embedded content associated with the multiple ordinals, are hashed into a block, which is broadcasted for appending to a blockchain data structure according to the modified blockchain protocol.

Abstract: Systems and methods for implementing privacy-preserving aggregation of federated data are disclosed. Clients may share sets of private values encoded in different local domains with an aggregator, where privacy of the local domains is preserved. The aggregator merges the shared sets into an aggregated set that includes non-unique values and derives a global domain for the aggregated set. The aggregator then shares mappings between input sets and the global domain with the respective clients while preserving privacy for the global domain. The clients may then encode private datasets for aggregation using the respective mappings.

Abstract: Methods, systems, and apparatus, including computer-readable media storing executable instructions, for managing interactions with artificial intelligence chatbots. In some implementations, a system stores vector embeddings for each of multiple chatbots. The system receives a text input from a user that is entered at a user device of the user. The system selects a chatbot from among multiple chatbots based on a measure of similarity of a vector embedding for the text input from the user to a vector embedding for the selected chatbot. The system generates a chatbot response to the text input from the user using the selected chatbot and provides the chatbot response for presentation at the user device.

Abstract: An extended anti-pinch leg mechanism includes a leg connecting rod I. The leg connecting rods I to IV are pivotally connected in sequence, the leg connecting rods III and IV are pivotally connected to a large footrest mounting member, and the large footrest mounting member, the footrest connecting rod I, a small footrest mounting member and the footrest connecting rod II are pivotally connected in sequence to form a quadrilateral structure. A baffle is provided at the front end of the large footrest mounting member, a protrusion is provided at the rear end of the footrest connecting rod I, the protrusion is pivotally connected to the footrest connecting rod III through the shaft I, the rear end of the footrest connecting rod III is pivotally connected to the leg connecting rod IV through the shaft II, and a bushing is sleeved outside the shaft II.

Abstract: Systems and methods described herein relate to the handling of resource-intensive computing jobs in a cloud-based job execution environment. An unexecuted computing job has a plurality of features. A resource intensity prediction is generated for the unexecuted computing job based on the features and on historical job data that classifies each of a plurality of executed computing jobs as either resource intensive or non-resource intensive. The resource intensity prediction indicates that the unexecuted computing job is predicted to be classified as resource intensive. A predicted resource intensity category of the unexecuted computing job is determined. Utilization data associated with one or more of a plurality of job execution destinations may be accessed. The unexecuted computing job may be assigned to a selected job execution destination from among the plurality of job execution destinations based on the predicted resource intensity category and the utilization data.

Abstract: A package structure includes an isolation layer with multiple vias, N first pads, N Redistribution Layers (RDLs), and a first insulating layer. Each via exposes a respective part of an interconnection layer arranged on a surface of a semiconductor functional structure. Each first pad is formed by a respective part of the interconnection layer exposed by the corresponding via, N is a positive integer greater than 1. Each RDL covers the isolation layer and is electrically connected to a corresponding one of the N first pads. The first insulating layer is formed on the RDLs and exposes a part area of each RDL. The exposed part areas of at least some of the RDLs includes second pads and third pads. The center point of each second pad has the same offset direction and the same offset distance with respect to the center point of the corresponding first pad.

Abstract: The present disclosure relates to a preparation method for formamide compounds. In particular, the present disclosure relates to a preparation method for compounds shown as formula 7a or pharmaceutically acceptable salts thereof. The preparation method has a high yield and is suitable for industrial production.

Abstract: Systems, apparatus and methods are provided for low temperature management of a storage system. An apparatus may include a temperature sensor to generate a temperature reading, a timer configured with a time interval, a backup battery, one or more non-volatile memory (NVM) devices and a storage controller. The storage controller may be configured to: maintain a standby mode for low temperature management until a host electronic system has been turned off, start the timer and check the temperature reading when the host electronic system is turned off, determine that the temperature reading is below a temperature threshold, set the time interval based on the temperature reading, receive an interrupt from the timer when the timer counts to the time Interval, and perform low-temperature management operations for data stored in the one or more NVM devices using power supplied by the backup battery.

Abstract: The present disclosure relates to a method for preparing tetrahydro-1-naphthylamine and derivatives thereof. Specifically, the present disclosure relates to a method for preparing (1S,4S)-4-methoxy-1,2,3,4-tetrahydronaphthalen-1-amine, and the method comprises the step of reacting compound C-1 under the condition of (R)-2-methyl-CBS-oxazaborolidine so as to form compound D-1. The method is simple to operate and is suitable for industrial production.

Abstract: A speech wakeup method includes that a bone conduction microphone collects a bone conduction signal for speech detection, which includes information about a command word input by the sound source, and detects a wakeup word based on the bone conduction signal.

Abstract: At least a method and an apparatus are presented for efficiently encoding or decoding video, for example human-centric video content. For example, at least one embodiment using a scalable latent representation comprising a generic codebook-based representation and a low-quality latent representation of a video. According to another embodiment, the scalable latent representation further comprises a domain-adaptive codebook-based representation. Advantageously, such scalable latent representation provides, for content such as human-centric video, a domain-adaptive and task-adaptive video coding framework that can be flexibly configured to accommodate both human and machine consumption.

Abstract: Methods and apparatuses for encoding/decoding at least one part of an image using one or more multi-resolution transform blocks are disclosed, wherein a multi-resolution transform block applies one or more convolution operations to an input to the multi-resolution transform block at different resolutions. In some embodiments, the multi-resolution transform block comprises a first convolution layer applied to the input, at least one down-sampling of the input, at least one second convolution layer applied to the at least one down-sampled input, at least one up-sampling of an output of the at least one second convolution layer, a combination of the at least one up-sampled output and an output of the first convolution layer.

Abstract: This application discloses a method and system for DNA storage data reconstruction based on a non-redundant de Bruijn graph. The method includes the following steps: grouping DNA sequences with a Levenshtein distance less than or equal to a set threshold into the same clustering subgraph; connecting nodes with the smallest Levenshtein distance between DNA sequences, where the node with the highest degree represents the backbone sequence of the clustering subgraph; using the backbone sequence as a template sequence for sequencing data alignment to construct a beam search graph; performing error correction and selecting the optimal path using a beam search algorithm to obtain a consensus sequence; constructing a non-redundant De Bruijn graph; deleting nodes connected by edges with weights below a set threshold; selecting paths based on node information in the non-redundant De Bruijn graph and the consensus sequence; and sequence obtained after path selection is the reconstructed sequence.

Abstract: Disclosed is an optimal scheduling method for peak regulation of a cascade hydro-photovoltaic complementary power generation system. The method includes: establishing an objective function of optimal scheduling for peak regulation of the cascade hydro-photovoltaic complementary power generation system; establishing a photovoltaic power station output constraint condition considering uncertainty; optimizing a mixed integer linear model by performing linear processing on the constraint condition; and obtaining a scheduling solution by solving the mixed integer linear model. According to the present disclosure, a unit commitment of a hydro-power station and an operational solution of a reservoir are considered, so that photovoltaic output can be consumed by fully using a characteristic that the hydro-power unit is easy to regulate, and a demand for peak regulation of a power grid can be satisfied.