Abstract: The application discloses a method for preparing 5-hydroxymethylfurfural and belongs to the technical field of synthesis of 5-hydroxymethylfurfural, mainly using biomass sugar as raw material and catalyzing the sugar to prepare 5-hydroxymethylfurfural in a tubular reactor filled with catalyst particles. In the application, the preparation of the humin-supported Sn catalyst is simple and has mild reaction conditions; the catalyst, as a high value-added product of humin, has good catalytic efficiency; the preparation of 5-hydroxymethylfurfural using the catalyst has the advantages of high yield, low cost and the like; the tubular reactor adopted can reduce backmixing, greatly shorten the reaction time and reduce the generation of humin and can also be equipped with inline monitoring equipment to monitor the preparation of HMF in a timely manner. Therefore, the application has the advantages of simple process, low energy consumption, high yield, cost saving, and the like.

Abstract: A method for preparing a ceramic copper clad laminate is provided, including following steps: providing a copper material; forming a copper oxide layer on a surface of the copper material; thermally treating the copper material on which the copper oxide layer is formed, to diffuse oxygen atoms in the copper material; removing the copper oxide layer on the thermally treated copper material; and soldering the copper-oxide-layer-removed copper material to a ceramic substrate to obtain a ceramic copper clad laminate.

Abstract: A device searching method includes a first device that obtains a relative location between a second device and the first device is based on location information of the first device and the location information of the second device; if it is determined, based on the relative location, that the second device is not within a shooting range of the first device, the first device indicates to move the first device toward the second device until the second device is within the shooting range of the first device; and the first device highlights the area in which the second device is located in the shooting range of the first device.

Abstract: The application discloses a method for preparing 5-hydroxymethylfurfural and belongs to the technical field of synthesis of 5-hydroxymethylfurfural, mainly using biomass sugar as raw material and catalyzing the sugar to prepare 5-hydroxymethylfurfural in a tubular reactor filled with catalyst particles. In the application, the preparation of the humin-supported Sn catalyst is simple and has mild reaction conditions; the catalyst, as a high value-added product of humin, has good catalytic efficiency; the preparation of 5-hydroxymethylfurfural using the catalyst has the advantages of high yield, low cost and the like; the tubular reactor adopted can reduce backmixing, greatly shorten the reaction time and reduce the generation of humin and can also be equipped with inline monitoring equipment to monitor the preparation of HMF in a timely manner. Therefore, the application has the advantages of simple process, low energy consumption, high yield, cost saving, and the like.

Abstract: Provided are a separator having excellent bonding performance and air permeability and a preparation method therefor. The separator includes a base film and a bonding layer; the bonding layer is provided on at least one surface of the base film; the bonding layer includes a plurality of hollowed-out structures; each hollowed-out structure is fixed to the surface of the base film; each hollowed-out structure is formed by enclosing a protruding part, and the inner portion enclosed by the protruding part is a hollowed-out part.

Abstract: A wrist-worn device control method is disclosed. The method includes: collecting first motion data of a wrist-worn device, where the first motion data includes angular velocity information and acceleration information of the wrist-worn device; and identifying, based on the first motion data of the wrist-worn device, that the wrist-worn device changes from a first posture to a second posture, and playing, by the wrist-worn device, media information, where the media information is at least one of a speech message, a text message, or incoming call information that are received by the wrist-worn device, and information displayed by the wrist-worn device, and the second posture is a posture in which a hand of a user wearing the wrist-worn device is close to an ear of the user. Therefore, a message can be played without occupying two hands of the user, interaction is convenient, and user experience is good.

Abstract: A system and a method for detecting computer-generated images. The system includes an image processing engine arranged to analyze an input digital image embedded with image traces created during generation and/or post-generation processing operation of the input digital image, and to determine whether the input digital image is a computer-generated image or a natural photographic image based on the analysis of the image traces.

Abstract: Disclosed are a molecular imaging method using Raman spectra and system based on machine learning cascade. The system includes a coordinate localization module, a hierarchical clustering analysis module, a Raman predictive imaging module, and a similarity analysis module. An untreated frozen tissue slice is attached to a stainless steel slide, and an adjacent slice is attached to a glass slide. The coordinate localization module can match a Raman white light image of a detection sample attached to the stainless steel slide with an immunohistochemistry (IHC) image of the adjacent slice, such that Raman spectra of a target region are accurately collected. The hierarchical clustering analysis module purifies different types of Raman spectra. A machine learning classifier is configured to build a Raman predictive imaging model. The similarity analysis module can evaluate similarity between a predicted Raman predictive image and the IHC image of the adjacent slice.

Abstract: A memory device includes a substrate, a stack over the substrate, and a gate line slit extending along a first direction and dividing the stack into two portions. The stack includes a connection portion that connects the two portions of the stack. The connection portion includes at least two sub-connection portions along a second direction perpendicular to the first direction. The gate line slit includes at least two portions along the first direction. Each sub-connection portion is between adjacent two portions of the gate line slit.

Abstract: The present disclosure provides a two-stage cavitation generator for organic wastewater treatment, including a shrouded impeller, a stator, and a rotor. The shrouded impeller includes a front cover plate, blades, and a rear cover plate. Several blades are evenly distributed between the front cover plate and the rear cover plate. A working surface of the blade is an arc surface, and a back of the blade protrudes locally, so that a flow channel between the back of the blade and a working surface of its adjacent blade is narrowed locally, forming a throat structure. An outlet of the shrouded impeller is provided with the stator and the rotor, and the stator is located at an outer edge of the front cover plate and fixed on an inner wall of a volute. The rotor is mounted on the rear cover plate.

Abstract: Methods, devices and computer readable media for interacting with a generated timeline user interface on an electronic device (ED) are provided. The method includes receiving, for a user associated with the electronic device, a user input in respect of an event corresponding to an event record stored in a timeline user database associated with the timeline user interface, generating a set of predefined actions for the event, based on the corresponding event record; and performing one or more actions of the set of predefined actions, on the electronic device.

Abstract: A mixing device includes: a box body including a box bottom and an enclosure wall, the box bottom and the enclosure wall forming an accommodating cavity for holding liquid; a sealing strip, detachably joined to the enclosure wall to form a liquid conveying channel along a vertical direction between the enclosure wall and the sealing strip; and a Venturi structure separably disposed on a side of the box body. The liquid conveying channel is formed by joining the sealing strip to the box body, which solves a problem in that a traditional milk pipe is not easily cleaned, and a design without a milk pipe is combined with the complete Venturi structure, which ensures quality of the made milk foam, thereby meeting requirements of people for pursuing delicate mouthfeel and improving taste.

Abstract: A liquid mixing device includes: a cup body provided with an accommodating cavity; a cup holder, the cup body being detachably supported on the cup holder; and a Venturi structure integrally formed with the cup holder and located on a side of the cup body, the Venturi structure including a mixing cavity, a liquid inlet channel connected to the mixing cavity, a steam channel for connecting a steam source and an outlet channel for outputting, the steam channel and the outlet channel being connected to the mixing cavity, the liquid inlet channel being connected to the accommodating cavity through a liquid conveying pipeline, and the liquid inlet channel being connected to the liquid conveying pipeline at an angle. The complete Venturi structure is integrated with the cup holder, so that the number of parts is reduced, thereby making mounting and disassembly more convenient, thus providing great convenience to users.

Abstract: This application provides a method for configuring equipment for a simulated chess piece character performed by a computer device. The method includes: displaying a battle chessboard, the battle chessboard comprising at least one simulated chess piece character controlled by a robot account; in response to a lineup configuration of the simulated chess piece character in this game, displaying recommended equipment corresponding to the simulated chess piece character, the lineup configuration comprising at least one of the simulated chess piece character displayed on the battle chessboard and a simulated chess piece character that the robot account has not obtained yet; and in response to that the simulated chess piece character meets an equipping condition, assigning the recommended equipment to the robot account and displaying the simulated chess piece character equipped with the recommended equipment.

Abstract: Embodiments relate to audio stream and address processing methodologies, which is applicable to exemplary methods and devices including a first terminal device. The first terminal device establishes a connection to the vehicle, and switches a play device of audio streams in a first category and a second category from the first terminal device to the vehicle; and in a process in which the first terminal device and the vehicle are in a connected state, upon detecting that the first terminal device is moved from the inside of the vehicle to the outside of the vehicle, obtains a target category corresponding to the target audio stream being played by the vehicle. The target audio stream is generated by the first terminal device and sent to the vehicle. The vehicle continues to play the target audio stream if the target category is the first category.

Abstract: Generating a user timeline for an electronic device (ED) userData is collected that includes: location data; application data; and activity data. Occurrences of predetermined types of observed events are detected based on the collected data. For each detected occurrence a respective observed event record is stored that includes information about a time and type of the observed event. Planned event records, each including information about a time and type of a respective planned event, are stored for planned events that the user is scheduled to participate in, the planned event records. Events are predicted based on the observed event records and the planned event records. Information about observed, planned and predicted events are output on a timeline user interface based on observed event records, planned event records and predicted event records stored for the predicted events, respectively.

Abstract: A device searching method includes a first device that obtains a relative location between a second device and the first device is based on location information of the first device and the location information of the second device; if it is determined, based on the relative location, that the second device is not within a shooting range of the first device, the first device indicates to move the first device toward the second device until the second device is within the shooting range of the first device; and the first device highlights the area in which the second device is located in the shooting range of the first device.

Abstract: A positioning method, a device, and an electronic apparatus. The method comprises: obtaining a GNSS position of a vehicle; obtaining standard positioning data around a road where the vehicle is located; obtaining laser point cloud data around the road where the vehicle is located; extracting to-be-matched positioning data around the road; forward simulating a motion state of the vehicle based on sampling positions corresponding to the vehicle at a previous moment, to obtain sampling positions at a current moment; converting the to-be-matched positioning data into a coordinate system corresponding to the standard positioning data; matching the to-be-matched positioning data with the standard positioning data to obtain a probability that the vehicle is located at each sampling position at the current moment; and obtaining a position of the vehicle based on the probability that the vehicle is located at each sampling position at the current moment.

Abstract: A coaxial waveguide-based geotechnical multi-point deformation sensor and an adjustable gauge-length measurement method are provided. The coaxial waveguide-based geotechnical multi-point deformation sensor includes an outer conductor, open at opposite ends and hollow inside; magnetic metal support frames, inside the outer conductor, sequentially spaced along an axial direction of the outer conductor and each having a through-hole; an inner conductor inside the outer conductor and passing through each through-hole; and annular magnets, surrounding the outer conductor and configured to move along it, driving the nearest magnetic metal support frame to follow its movement. Each magnetic metal support frame acts as a reflection point. By reconstructing the interference spectra of any two reflection points, a gauge-length can exist between any two of the magnetic metal support frames.

Abstract: An electrode structure includes a substrate and a silver nanowire electrode disposed on the substrate. The electrode structure can be changed from an expanded state to a bent state with a bending radius of about 2-4 mm. The electrode structure includes a bending region and a first non-bending region and a second non-bending region respectively adjacent to the bending region in the bent state. The silver nanowire electrode has a change rate of a resistance value between the bent state and the expanded state of less than 10% in an electrode section of the bending region.