Abstract: A map management system includes: at least one cloud server including a first processor configured to manage map data for a preset area; a plurality of edge servers, each edge server including a second processor configured to manage map data for a preset area; at least one vehicle including a third processor configured to collect raw data for updating map data during traveling; and a plurality of blockchains including the at least one cloud server and the plurality of edge servers.

Abstract: The application discloses a method for preparing crude polysaccharides based on synergistic fermentation with corn stover and fungus, including the following steps: step (1): drying corn stover, pulverizing, placing in a hydrothermal reactor, adding deionized water, sealing the hydrothermal reactor, placing in a heating device, reacting, taking out reaction products, centrifuging and drying a solid; step (2): adding the products obtained in step (1) and dried bean curd residue to a container, adding distilled water, mixing uniformly, sterilizing to obtain a mixed material, inoculating a fungus inoculum under aseptic conditions, sealing the container and cultivating in the dark to obtain crude polysaccharides. The disclosure uses corn stover and bean curd residue as raw materials to achieve efficient utilization of discarded biomass, reduce environmental pollution, and improve utilization of corn stover.

Abstract: Embodiments of the present disclosure provide an IC packaging structure and an IC packaging method, relating to the chip packaging field. The IC packaging structure includes: a substrate, a stress buffer sheet mounted on the substrate; a packaged chip mounted on the stress buffer sheet, and a plastic package body coated outside the packaged chip, wherein the packaged chip is electrically connected to the substrate, and the stress buffer sheet is used for buffering stress acting on the packaged chip. Compared with the prior art, in the IC packaging structure provided in the present disclosure, the stress buffer sheet is mounted on the substrate through silver glue, the packaged chip is mounted on the stress buffer sheet through silver glue.

Abstract: The disclosure provides a method for controlling an intelligent speech apparatus, an electronic device and a storage medium. The method includes: receiving a play command comprising a target file identifier; determining a file permission of a target file corresponding to the target file identifier; playing a preset push information, when the file permission does not match a current user permission of a user of the intelligent speech apparatus; and playing the target file when receiving speech data associated with the push information within a preset time period.

Abstract: The present disclosure provides a chip packaging structure and a chip packaging method, relating to the technical field of chip packaging. In the above, the chip packaging structure includes: a substrate, wherein a light-transmitting hole penetrating through upper and lower surfaces thereof is provided on the substrate, and openings communicated with the light-transmitting hole are formed on two opposite sidewall surfaces of the substrate, respectively; light-transmitting glass, wherein two opposite sides of the light-transmitting glass are inserted into the two openings, respectively, and shield the light-transmitting hole; a chip, provided on the upper surface of the substrate, wherein a photosensitive area of the chip faces the light-transmitting glass; and a packaging layer, provided on the chip and the upper surface of the substrate so as to package the chip on the substrate.

Abstract: Described are semiconductor devices, methods of manufacturing, and methods for device patterning. More particularly, a subtractive interconnect patterning method is described. A subtractive interconnect patterning is used in place of damascene interconnect patterning.

Abstract: A data analysis method, an apparatus and a storage medium based on an intelligent speech device which relate to the technical field of artificial intelligence are provided. According to some embodiments, the intelligent speech device acquires feature information of the user visiting the shop; the intelligent speech device uploads user data and the identification information of the shop to the cloud based on the acquired feature information of the user visiting the shop, so that the cloud performs data analysis based on the user data and the identification information of the shop. As compared with related art, the technical solution may extend the performance of the intelligent speech device so that the intelligent speech device may constitute a business intelligence system with the cloud, achieve analysis of business data and improve an anticipation degree and a use rate of the intelligent speech device.

Abstract: A system, computer-readable storage medium storing at least one program, and a computer-implemented method for expedited indexing of content is presented. Submitted content is received via a user interface, where the submitted content is copy-and-pasted content from an entity claiming authorship of the content. A link identifying an Internet address hosting the submitted is also received. Responsive to determining the submitted content is new relative to known content, the submitted content is indexed without visiting the Internet address.

Abstract: A refrigeration system includes a compressor; a condenser; an expansion valve having a body with an expansion valve inlet and an expansion valve outlet; an evaporator all arranged in a refrigeration circuit; and a controller. The expansion valve body has a pathway comprising an inlet body capillary tube flow-connected to the expansion valve inlet, and an outlet body capillary tube flow-connected to the expansion valve outlet. The expansion valve comprises a solenoid operated valve element that is selectively positionable between the inlet body capillary tube outlet and the outlet body capillary tube inlet. The controller digitally controls the valve element to position the valve element either to allow flow through the pathway in an open position or to block flow through the pathway in a closed position.

Abstract: A refrigeration system, includes a main refrigeration system. The main refrigeration system includes a main refrigerant, a main compressor, a main condenser coil, a pre-metering device, a main metering device, a main evaporator, and a secondary refrigeration system. In flow sequence, the main refrigerant within the main refrigeration system is compressed by the main compressor, condensed by the main condenser coil, dropped in pressure by the pre-metering device, cooled by the secondary refrigeration system, dropped in pressure by the main metering device, vaporized by the main evaporator and returned to the main compressor. The secondary refrigeration system includes a secondary refrigerant, a secondary compressor, a secondary condenser coil, a secondary metering device, a secondary evaporator having a main refrigerant cooling path and a secondary refrigerant evaporator path in heat transfer communication.

Abstract: Extreme ultraviolet (EUV) hard masks and methods for their manufacture are disclosed. The EUV hardmasks comprise a substrate, a multilayer stack of alternating reflective layers on the substrate, and a photoresist layer on the multilayer stack. The alternating reflective layers comprise silicon and a nonmetal. Methods of transferring a pattern to a substrate are also disclosed.

Abstract: A system, computer-readable storage medium storing at least one program, and a computer-implemented method for or crawling and indexing content is presented. A message is received, where the message includes (i) submitted content, wherein the submitted content is identified as being published by an entity, and (ii) a link to a location on a resource hosting the submitted content. An evaluation is made as to whether the submitted content is represented in an index of known content to determine whether the submitted content is new relative to the known content. In response to the evaluation, a request is issued to a search engine to crawl and index the submitted content hosted by the resource associated with the link when the submitted content is new relative to the known content.

Abstract: The present disclosure provides a device list synchronizing method and apparatus, a device and a computer storage medium, wherein the method comprises: after obtaining a user instruction instructing to discover devices, a smart network system sending, to a developer system, a DeviceDiscoveryRequest including first authorization information; the developer system storing the first authorization information; after obtaining information of update of a device list on a developer side, carrying the first authorization information to invoke an interface of the smart network system to trigger the smart network system to send the DeviceDiscoveryRequest to the developer system.

Abstract: A content placement method, device, electronic apparatus and a storage medium are provided. The specific implementation includes receiving voice information; generating first response data for the voice information; and placing a first content into the first response data according to the voice information, to generate second response data. In an embodiment, application service content corresponding to the voice information and the placed content can be seamlessly linked, so that a better placement effect is formed and user experience is good.

Abstract: Described are semiconductor devices, methods of manufacturing, and methods for device patterning. More particularly, a subtractive interconnect patterning method is described. A subtractive interconnect patterning is used in place of damascene interconnect patterning.

Abstract: In an embodiment, a children face alert system is provided for use with a smart device with a display screen. A neural network model trained with dataset images with embedded distance information can run in the background of the smart device. When receiving a captured image frame of the face of a child using the smart device, the neural network model can determine that the captured image frame is from a child, and further determine whether the face of the child is within a predetermined distance to the display screen based on a size of the face on the captured image frame. If the face is within the predetermined distance, the smart device can display an alert that the face of the child is too close to the display screen and pause one or more user applications until the child's face moves outside of the predetermined distance.