Abstract: A Fe43.4Pt52.3Cu4.3 heterogeneous phase structure polyhedron nanoparticle, a preparing method and an application as an efficient fuel cell oxygen reduction catalyst are provided. The Fe43.4Pt52.3Cu4.3 heterogeneous phase structure polyhedron nanoparticle, includes: three elements of Fe, Pt and Cu; wherein the Fe43.4Pt52.3Cu4.3 heterogeneous phase structure polyhedron nanoparticle has a heterogeneous phase structure in which face-centered cubic and face-centered tetragonal coexist; wherein the heterogeneous phase structure is a face-centered tetragonal phase shell and face-centered cubic core with a high crystal plane index; a surface of the polyhedron nanoparticle has 1 to 2 atomic layers of enriched with Pt; a diameter distribution of the nanoparticles is at a range of 4.5 to 14.5 nm, and an average size is 8.4 nm.

Abstract: A device includes a first diode and a second diode connected in series between a first terminal and a second terminal of a switching element, wherein the switching element is a unidirectional device and an anode of the first diode is directly connected to an anode of the second diode, a third diode connected between the first terminal and the second terminal of the switching element and a switch connected in parallel with the first diode.

Abstract: Provided are Coxsackie virus CVB1 or a modified form thereof, or a genomic sequence or cDNA sequence comprising CVB1 or the modified form thereof, or a nucleic acid molecule of a complement sequence of the genomic sequence or cDNA sequence, the use of same for treating tumors in subjects including humans, and the use of same in the preparation of a pharmaceutical composition for treating tumors in subjects including humans. Also provided is a method for treating tumors, comprising administering CVB1 or the modified form thereof, or the genomic sequence or cDNA sequence comprising CVB1 or the modified form thereof, or the nucleic acid molecule of the complement sequence of the genomic sequence or cDNA sequence to a subject in need thereof.

Abstract: This disclosure provides isolated antibodies that bind specifically to CD27 with high affinity. The disclosure provides methods for treating a subject afflicted with a cancer comprising administering to the subject a therapeutically effective amount of an anti-CD27 antibody as monotherapy or in combination with a checkpoint inhibitor, such as an anti-PD-1, anti-PD-L1, or anti-CTLA-4 antibody.

Abstract: Systems and methods for navigating a user to a destination are provided. An exemplary indoor navigation method uses a terminal device. The method includes capturing, by the terminal device, image data of an indoor scene, and determining a current position of the user based on the captured image data. The method also includes determining a navigation path and a navigation sign for navigating the user from the current position to the destination, and rendering, by the terminal device, a three-dimensional representation of the indoor scene with the navigation sign placed therein based on the image data and the navigation path. The navigation sign signals the navigation path in the three-dimensional representation. The method further includes displaying, on the terminal device, the three-dimensional representation to the user.

Abstract: A composite frame structure includes a metal frame and a plastic frame. The metal frame is formed by enclosing a plurality of metal sheets. The plastic frame is combined with an inner surface of the metal frame, the plastic frame has an integrally formed structure. An electronic device having the composite frame structure and a method for manufacturing the composite frame structure are provided.

Abstract: This document presents multi-layered, self-calibrating analytics for detecting fraud in transaction data without substantial historical data. One or more variables from a set of variables are provided to each of a plurality of self-calibrating models that are implemented by one or more data processors, each of the one or more variables being generated from real-time production data related to the transaction data. The one or more variables are processed according to each of the plurality of self-calibrating models implemented by the one or more data processors to produce a self-calibrating model output for each of the plurality of self-calibrating models. The self-calibrating model output from each of the plurality of self-calibrating models is combined in an output model implemented by one or more data processors. Finally, a fraud score output for the real-time production data is generated from the self-calibrating model output.

Abstract: A control method for broadcast sending includes: acquiring a receiver queue corresponding to a broadcast message to be sent; determining a target receiver according to priorities of receivers in the receiver queue and a predetermined priority; and sending the broadcast message to the target receiver.

Abstract: An example operation may include one or more of generating an initial seed and allocating one or more authorized bits of the initial seed to a plurality of blocks in a distributed ledger, storing the initial seed and an identification of which authorized bits of the initial seed are allocated to each block of the distributed ledger, receiving a final seed value that is partially generated by each of a plurality of nodes configured to access the distributed ledger based on authorized bits of respective blocks updated by each respective node, and generating a random sequence value based on the final seed value and storing the random sequence value in a block of the distributed ledger.

Abstract: The present invention relates to an indoleacetic acid derivative and a preparation method and pharmaceutical use thereof. In particular, the present invention relates to a compound shown in general formula (I), a preparation method thereof, a pharmaceutical composition comprising the same, and a use thereof as a cough suppressant in treating a disease such as a cough. The definition of each substituent in the general formula (I) is the same as the definition in the specification.

Abstract: A method for eliminating noises collected by an electronic device when voice recordings are being taken detects whether the electronic device is in a voice recording mode. A first acquiring device is controlled to acquire the speaking voices of at least one user, when determining that the electronic device is in the voice recording mode. A determination is made as to whether the speaking voices of at least one user acquired by the first acquiring device include noises produced by the vibration device, and eliminating noises produced by the vibration device, when the speaking voices of at least one user acquired by the first acquiring device include the noises produced by the vibration device.

Abstract: The present invention discloses a floating point processor prototype of multi-channel data. An architecture comprises the following steps: arranging structural data, semi-structured data and unstructured data into a three-way array; decomposing the three-way array into a matrix pattern of a second-order tensor by using higher-order singular value decomposition; and converting the matrix pattern into a sparse domain to conduct block floating point quantization. A floating point processor prototype of multi-channel data is built.

Abstract: A ceramic module for power semiconductor integrated packaging and a preparation method thereof are disclosed. The ceramic module includes a ceramic substrate and an integrated metal dam layer. By providing the integral metal dam layer on the upper surface of the ceramic substrate and forming cavities around die bonding regions, the semiconductor chip can be hermetically sealed. By providing a heat dissipation layer on the lower surface of the ceramic substrate, the heat generated by the semiconductor chip can be quickly conducted to the outside. The product has a simple production process and high product consistency.

Abstract: A shutdown method of an electronic device includes detecting activity of a user; determining whether an activity range of the user is less than a predetermined value; determining whether the user is away from the electronic device when the activity range of the user is less than the predetermined value; capturing user images when the user is not away from the electronic device; determining whether any action has been performed by the user; determining whether the at least one action performed by the user matches a sleep habit when the at least one action has been performed by the user; and shutting down the electronic device when the user is away from the electronic device, or when no action has been performed by the user, or when the at least one action performed by the user match the sleep habit of the user.

Abstract: A broadcast sending control method includes: acquiring a receiver queue corresponding to a broadcast message; acquiring an application type and a launching state of a first receiver, wherein the first receiver is any receiver in the receiver queue; removing, in a case where the application type is a predetermined application type and the launching state is a predetermined launching state, the first receiver from the receiver queue; and sending, according to the receiver queue from which the first receiver has been removed, the broadcast message.

Abstract: The disclosure relates to a mechanical hand of a dual-driven special-shaped super-flexible elastic framework. The mechanical hand includes a top plate and a base plate. The top plate and the base plate are fixed into a whole through two groups of guide connection rods. Two lead screw shaft servo motors are disposed on the top plate at an interval. Lead screws of the two lead screw shaft servo motors are respectively connected to a hollow finger front section driving plate and a finger root portion driving plate. Tail ends of the two lead screws are respectively supported on the base plate through two mounted bearings. The mechanical hand further includes flexible fingers. A tip portion of each of the flexible fingers is fixed on the hollow finger front section driving plate. A special-shaped super-flexible leaf spring of the flexible finger is connected to the base plate through a finger root hinge seat.

Abstract: An electronic device, a wireless charging device and a wireless charging method, which belong to the technical field of charging. The electronic device comprises: a receiving coil, a receiving circuit, a first switch module and a first control module, wherein the first control module is used for controlling, according to a related parameter for the magnetic coupling strength between the receiving coil and a transmitting coil of a wireless charging device, the turning on and off of at least two first switches in the first switch module, so as to adjust the number of turns of subcoils in the receiving coil that effectively work.

Abstract: A method for detecting battery condition by monitoring air pressure and temperature both before and during the use of a sealed electronic device. A first air pressure is obtained before the device is powered on. A second air pressure is obtained during use of the device. A value of variations between readings is determined, and if the variation value in air pressure is greater than a preset value, an alarm is generated. An electronic device and a non-transitory storage medium are also provided.

Abstract: The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The device includes: a charging receiving terminal configured to receive a first alternating current; a voltage adjusting circuit, including a first rectifier configured to rectify the first alternating current and output a first voltage with a first ripple waveform, a switch unit configured to modulate the first voltage according to a control signal to obtain a modulated first voltage, a transformer configured to output a plurality of voltages with ripple waveforms according to the modulated first voltage, and a compositing unit configured to composite the plurality of voltages to output a second alternating current; and a central control module configured to output the control signal to the switch unit so as to adjust voltage and/or current of the second alternating current in response to a charging requirement of the battery.

Abstract: Provided are a method of generating a broadcast queue, a storage medium, and a terminal. The method includes determining parameters of broadcast receivers receiving the broadcast message and a broadcast sender, based on the broadcast message; when the parameters of the broadcast sender and the broadcast receivers meet a predefined condition, determining attribute information of the broadcast message; and generating a broadcast queue based on the attribute information.