Abstract: A 5G MMW dual-polarized antenna unit, an antenna array and a terminal device are disclosed. The 5G MMW dual-polarized antenna unit comprises a substrate and two feeder assemblies disposed in the substrate, wherein a square radiation patch conductive with the feeder assemblies is disposed on a top surface of the substrate, and a ground layer and feeder ports conductive with the feeder assemblies are disposed on a bottom surface of the substrate; each feeder assembly comprises an impedance transformation micro-strip line, and the two impedance transformation micro-strip lines are perpendicular to each other; and a short-circuit structure allowing the radiation patch to be conductive with the ground layer is disposed in the substrate and is located an intersection of extension lines of the two impedance transformation micro-strip lines. The 5G MMW dual-polarized antenna unit effectively improves the antenna performance and satisfies application requirements of 5G communication terminals in this waveband.

Abstract: This application provides an information transmission method and apparatus. The method includes: sending, by a network device, first information, where the first information indicates a first parameter, and the first parameter is at least one of 237, 216, 195, 173, 152, 137, 132, 127, 121, 117, 112, 108, 103, 99, 94, 91, 89, 86, 84, 81, 77, 74, 72, 69, 68, 67, 66, 64, 63, 62, 61, 59, 58, and 57, or at least one of 153, 137, 122, 109, 97, 85, 81, 77, 74, 71, 68, 65, 63, 60, 57, 55, 53, 51, 50, 48, 47, and 45. According to the information transmission method and apparatus provided in this application, information used to generate a random access preamble sequence can be configured for a terminal device.

Abstract: The disclosure provides an engineering communication transfer device and system. The device includes a communication transfer box. The communication transfer box includes a communication input terminal, a first communication output terminal, and a second communication output terminal; the communication input terminal is connected to a communication cable, and the communication cable is connected to a safety monitoring instrument; the first communication output terminal is connected to an information acquisition instrument, and the second communication output terminal is connected to a cable of an external access device; the communication transfer box is configured to connect the communication cable to the second communication output terminal when an external access device is connected to the second communication output terminal. The disclosure achieves beneficial effects of being simple, convenient and efficient in intermediate measurement and reading, without damaging a transmission line.

Abstract: Embodiments of the present disclosure relate to management of resources. Embodiments include receiving, from a user of a client device, first input indicating a location on a remote device and a file type. Embodiments include identifying a file corresponding to the file type at the location. Embodiments include generating a graphical representation of the file and providing the graphical representation of the file to the user. Embodiments include receiving, from the user, second input corresponding to the graphical representation of the file. Embodiments include identifying stored credentials based on the second input and initiating a virtual desktop session using the stored credentials. Embodiments include providing a remote interface to the virtual desktop session on the client device. Embodiments include launching an application within the virtual desktop session and opening the file within the application.

Abstract: The invention relates to a (RE,Y)-123 superconducting film containing mixed artificial pinning centers and a preparation method thereof, wherein a stoichiometric ratio of Cu in a parent phase of the (RE,Y)-123 superconducting film is 3.05-5; the mixed artificial pinning centers include a perovskite structure BaMO3 and a double-perovskite structure oxide Ba2(RE,Y)NO6; and a total mole percentage of Ba2(RE,Y)NO6 in the superconducting film is not less than 2.5%. The mixed artificial pinning centers form well-aligned column structures along the thickness direction in the superconducting film.

Abstract: A stretchable interconnect structure for electrically connecting electronic devices and a method of fabricating a stretchable interconnect structure for electrically connecting electronic devices. The method comprises the steps of providing an electrically conductive wire having a 3-dimensional helical form; and embedding the electrically conductive wire in a substrate made from an elastic material.

Abstract: A 5G dual-polarized antenna module and a terminal device are disclosed. The 5G dual-polarized antenna module comprises a substrate, a first metal ground and at least one antenna unit group are disposed in the substrate, the first metal ground partitions the substrate into a first region and a second region, the antenna unit group includes a first antenna unit and a second antenna unit which are located in the first region, and the first antenna unit comprises a dipole element and a parasitic element matched with the dipole element; the second antenna unit comprises a T-shaped probe, which is partially located between the dipole element and the parasitic element; and a first ground layer conductive with the first metal ground is disposed on the bottom surface of the substrate. The 5G dual-polarized antenna module thus being particularly suitable for light and thin terminal devices.

Abstract: A 5G MMW dual-polarized antenna module and a handheld device are disclosed. The antenna module comprises at least two antenna units. Each antenna unit comprises a first horizontal metal plate, a second horizontal metal plate, a first vertical metal plate, a second vertical metal plate and a patch antenna assembly. The antenna module can work within the 5G MMW frequency band and has the characteristic of dual polarization; and when applied to the handheld device, the antenna module will not increase the thickness of the handheld device and is conducive to ultra-thin development of the handheld device.

Abstract: This disclosure provides several methods in LC-MS/MS analysis: (1) a method of LC-MS/MS analysis technique to determine the analyte concentration of a sample wherein an In-Sample Calibration Curve (ISCC) is used instead of an external calibration curve through monitoring of multiple isotopologue transitions of an added stable isotopically labeled (SIL) analyte in each sample via MS/MS in multiple isotopologue reaction monitoring (MIRM) mode; (2) a method of LC-MS/MS analysis to determine the analyte concentration of a sample wherein a One-Sample Multipoint External Calibration Curve (OSMECC) is used instead of a multisample external calibration curve; and (3) a method of LC-MS/MS analysis to determine the analyte concentration of a sample with an analyte concentration beyond the assay's ULOQ wherein isotope sample dilution is used instead of diluting sample physically during sample preparation based on calculating the isotopic abundance of the MIRM channel monitored.

Abstract: The present disclosure relates to a NOR flash memory circuit, a data writing method, a data reading method, and a data erasing method. The NOR flash memory circuit includes: a NOR memory array, a source voltage selection unit, a well voltage selection unit, a word line gating unit, a bit line gating unit, a data reading unit, and an analog voltage generating unit. During data writing, a source is floated, and a well electrode is connected to ground; and a first forward voltage is applied to a bit line where a memory cell to be written data into is located, and a second forward voltage is applied to a word line where the memory cell to be written data into is located. During data reading, a source is grounded, and well electrodes are grounded; and a third forward voltage is applied to a word line.

Abstract: A method performed by an electronic device for testing machine learning models is described. The electronic device includes a program for executing a first machine learning model and a second machine learning model. The electronic device receives a machine learning model update data package and generates the second machine learning model from the update data package by partially or fully updating the first machine learning model. When the program is executed, both the first and second machine learning model use a common set of input data to perform inference. The program collects outputs from the first machine learning model and the second machine learning model, for further analysis.

Abstract: The present invention provides a vertical gas distribution device for aerobic compost and a gas distribution method. Current gas distribution pipelines are easily blocked by organic materials, resulting in poor ventilation due to non-uniform local ventilation and cleaning difficulties. The inventive device comprises a compost chamber, a compost bin, a compost heap, a percolate tank, and a plurality of gas distribution branch pipes at the bottom of the compost chamber, the pipes being vertically movable in the chamber; the percolate tank is positioned at the bottom of the chamber and under the pipes; an air inlet is provided on the side wall of the tank, and an outlet is provided on the side wall of the chamber; the compost bin is inside the compost chamber, and the compost heap is in the compost bin; each pipe is top sealed, with a plurality of vent holes on the side wall, and its bottom connected to the tank. The present invention is usable for compost ventilation.

Abstract: An ultrafiltration/nanofiltration membrane with gas-tunable pore size is provided. This membrane comprises an active layer arranged between two porous support layers, wherein the active layer is formed of randomly arranged cellulose nanocrystals, wherein pores are defined in the active layer by the free spaces existing between the randomly arranged cellulose nanocrystals, and wherein chains of a CO2-responsive polymer are grafted on the surface of the cellulose nanocrystals. There are also provided methods for filtering a feed using the membrane, for tuning the apparent pore size/MWCO/charge of the membrane, for cleaning the membrane, and for manufacturing the membrane.

Abstract: A 5G MMW dual-polarized antenna unit, an antenna array and a terminal device are disclosed. The 5G MMW dual-polarized antenna unit comprises a substrate and two feeder assemblies disposed in the substrate, wherein a square radiation patch conductive with the feeder assemblies is disposed on a top surface of the substrate, and a ground layer and feeder ports conductive with the feeder assemblies are disposed on a bottom surface of the substrate; each feeder assembly comprises an impedance transformation micro-strip line, and the two impedance transformation micro-strip lines are perpendicular to each other; and a short-circuit structure allowing the radiation patch to be conductive with the ground layer is disposed in the substrate and is located an intersection of extension lines of the two impedance transformation micro-strip lines. The 5G MMW dual-polarized antenna unit effectively improves the antenna performance and satisfies application requirements of 5G communication terminals in this waveband.

Abstract: The microneedle array includes a substrate having a central opening formed therethrough, and a plurality of microneedles positioned about a perimeter defining the central opening. At least one of the microneedles has a recess formed therein adjacent a tip thereof, and this recess is at least partially filled with a layer of active material. A sensor for detecting chemical analytes, biological analytes or the like may be constructed by providing two such microneedle arrays, with one serving as the working electrode and one serving as a reference electrode. The working electrode and the reference electrode may both be connected to a signal analyzer for detecting electrochemical signals. The working electrode and the reference electrode may be separate from one another or may be stacked together.

Abstract: The present disclosure relates to systems, non-transitory computer-readable media, and methods for generating accurate digital media clusters corresponding to predicted distribution classes from a repository of digital media based on network distribution history. For example, a digital media clustering system can apply machine learning models at a remote server (based on network distribution history of a network account of a user) to generate predicted distribution classes for future electronic communications. The remote server can provide the predicted distribution classes to a user client device for secure local analysis of digital media stored at the client device. Based on the predicted distribution classes and the stored digital media, the client device can suggest digital media items to distribute via a networking system. Thus, the disclosed system can surface digital media content without providing any information regarding the digital media items stored at the client device to a remote server.

Abstract: A 5G MMW dual-polarized antenna module includes a substrate. A metal ground and an antenna unit group are disposed in the substrate. The metal ground partitions the substrate into a first region and a second region. The antenna unit group includes a first antenna unit, a patch antenna and a probe. The first antenna unit includes a first branch and a second branch connected to the first branch, wherein the first branch is disposed in the first region, and an end, away from the first branch, of the second branch is located in the second region. The probe includes a first part and a second part connected to the first part, wherein the second part is disposed in the first region. The MMW dual-polarized antenna module can fulfill lateral radiation in light and thin terminal devices.

Abstract: A 5G dual-polarized antenna module and a terminal device are disclosed. The 5G dual-polarized antenna module comprises a substrate, a first metal ground and at least one antenna unit group are disposed in the substrate, the first metal ground partitions the substrate into a first region and a second region, the antenna unit group includes a first antenna unit and a second antenna unit which are located in the first region, and the first antenna unit comprises a dipole element and a parasitic element matched with the dipole element; the second antenna unit comprises a T-shaped probe, which is partially located between the dipole element and the parasitic element; and a first ground layer conductive with the first metal ground is disposed on the bottom surface of the substrate. The 5G dual-polarized antenna module thus being particularly suitable for light and thin terminal devices.

Abstract: An embodiment of this application provides a data transmission method and apparatus. The method includes: receiving, by a base station, a random access preamble sequence from a terminal; and sending, by the base station, a media access control (MAC) packet data unit (PDU) to the terminal based on the random access preamble sequence, where the MAC PDU includes a type indication field, and the type indication field indicates a manner in which the terminal transmits data in first uplink information. In this embodiment of this application, a data transmission delay can be reduced.

Abstract: The present invention provides a pinning center introduction device, a pinning center introduction method and a superconductor tape. The pinning center introduction device includes a bending shaft and a heating zone. The bending shaft is arranged in the heating zone. The superconductor tape is arranged around the bending shaft. The heating zone keeps the superconductor tape entering the heating zone and the bending shaft at a target temperature. The superconductor tape is bent on the bending shaft to obtain strain, so that a micro-structure of a superconducting film is reconstructed under the action of the strain and the target temperature.