Abstract: Disclosed is a method for preparing an environmentally-friendly high-strength wood composite material, which includes the following steps: S1. pulverizing wood into a wood flour, adding the wood flour to an acid solution to obtain a first mixture, ball milling the first mixture to obtain a ball milled mixture, and filtering the ball milled mixture, to obtain a dually-treated wood flour; S2. adding the dually-treated wood flour to a first alkaline solution, and performing a neutralization reaction, to obtain a second mixture; S3. adding an alkaline solution to the second mixture to remove part of lignin, to obtain a lignin-partially removed wood flour; S4. washing the lignin-partially removed wood flour with anhydrous ethanol and drying, to obtain a dried lignin-partially removed wood flour; S5. subjecting the dried lignin-partially removed wood flour to hot pressing, followed by cooling, to obtain the environmentally-friendly high-strength wood composite material.

Abstract: A molding device and a molding method for an optical fiber preform are provided. The molding device includes a rotating mechanism, an extrusion mechanism, and a cylinder mold that is of a cylindrical structure with two ends each having an opening. After a hollow cladding sleeve is obtained by rotating the cylinder mold through the rotating mechanism, a molten core glass is then reversely extruded into the cladding sleeve in the cylinder mold from bottom to top by the extrusion mechanism to prepare the optical fiber preform.

Abstract: The present disclosure provides a live-stream interaction method, a live-stream interaction system and related devices. The system includes a terminal of an audience, a terminal of an anchor, and a server; the terminal of the audience is configured to present a live-stream interface, and the live-stream interface includes an interaction control that supports interaction, and when the audience triggers an interactive behavior through the interaction control, an interaction image when the audience performs the interactive behavior is acquired; the terminal of the anchor is configured to send the behavior feature of the anchor to the server; the server is configured to acquire the behavior feature of the audience, match the behavior feature of the audience with the behavior feature of the anchor to obtain a matching result, and send a special effect instruction to the terminal of the audience according to the matching result.

Abstract: The present disclosure relates to a pre-5th generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th generation (4G) communication system such as long term evolution (LTE). A method performed by the terminal in a wireless communication system is provided. The method includes receiving downlink signal including at least one of downlink data or downlink control information (DCI), determining an uplink signal to be transmitted based on the downlink signal, determining at least one of a time unit or an uplink physical channel for transmitting the uplink signal, the uplink physical channel including at least one of a physical uplink control channel (PUCCH) or a physical uplink shared channel (PUSCH), and transmitting the uplink signal in the determined at least one of the time unit or the uplink physical channel.

Abstract: The disclosure relates to an automatic measuring system and a method thereof for drilling fluid parameters measurement. The system includes i. mud container, configured for test drilling fluid preparation and samples collection; ii. heat jacket, configured to keep the drilling fluid in the tank warm iii. heat exchanger, configured to simulate the practical conditions; iv. plunger pump, configured to pump the test drilling fluid to the flowing test device; v. flow test device, configured to simulate the flowing states of drilling fluid in the borehole annulus and drilling string, and also measure the pressure and flow rate of drilling fluid vi. control module, configured to obtain rheological parameters and the best rheological mode of the drilling fluid in the borehole annulus and drilling string based on the pressure and flow rate.

Abstract: A display panel and a display device are provided. The display panel includes a main display area, and display area(s) surrounded by the main display area. The display panel includes first light-emitting devices disposed in the display area(s); first pixel driving circuits disposed in the display area(s), and electrically connected to the first light-emitting devices respectively for driving the first light-emitting devices to emit light; a first wiring layer connected between first pixel driving circuits and first light-emitting devices; a signal wiring layer electrically connected to the first pixel driving circuits and partially overlapping the first wiring layer; and a capacitive barrier layer disposed between the first wiring layer and the signal wiring layer and including at least one organic insulating layer.

Abstract: An apparatus in a wireless communication system and a method performed by the same are provided. The method includes determining whether uplink control information (UCI) is multiplexed in a first physical uplink shared channel (PUSCH) including more than one transport block and/or whether the first PUSCH is simultaneously transmitted with a physical uplink control channel (PUCCH) including the UCI, receiving information for scheduling transmission of the first PUSCH, and transmitting the first PUSCH and/or the PUCCH including the UCI based on the determination. The disclosure can improve the communication efficiency.

Abstract: The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data transmission rate. A communication method and an electronic equipment are provided. The method includes receiving configuration information of periodical physical downlink control channel (PDCCH) monitoring, wherein within each cycle of the configuration comprises a first time window and/or a second time window, and according to the configuration information, performing PDCCH monitoring on type 3 common search space (CSS) and UE-specific search space (USS) in the first time window, and/or, skipping PDCCH monitoring on type 3 CSS and USS in the second time window. By the embodiments of the disclosure, the user equipment (UE) periodically performs PDCCH monitoring and/or skips PDCCH monitoring to achieve the objective of power-saving, and it is avoided that UE cannot timely receive scheduling information to thereby cause data transmission delay.

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by a terminal in a wireless communication system is provided. The method includes receiving, from a base station on a first cell, first downlink control information (DCI) for scheduling multiple physical downlink shared channels (PDSCHs) on first multiple cells and receiving, from the base station, the multiple PDSCHs on the first multiple cells based on the first DCI.

Abstract: A laser glass doped with high concentration of mid-infrared fluoroindate and a preparation method thereof are provided in the present application, belonging to the technical field of luminescent glass. The laser glass doped with high concentration of mid-infrared fluoroindate includes the raw materials in parts by mole percentage: 27-38 parts of InF3, 13 parts of ZnF2, 10 parts of GdF3, 19 parts of BaF2, 5 parts of CaF2, 10 parts of SrF2, 5-15 parts of Al(PO3)3 and 1-11 parts of ErF3.

Abstract: Disclosed herein is a spatially decoupled redox flow water electrolyzer, that has a hydrogen-producing catholyte section formed from a catholyte tank, having a cathode, and a hydrogen generation compartment, where the catholyte tank and the hydrogen generation compartment are fluidly connected to one another by a fluid pathway, so as to facilitate the circulation of a liquid catholyte from the catholyte tank to the hydrogen generation compartment and back to the catholyte tank and an oxygen-producing anolyte section formed from an anolyte tank, having an anode, and an oxygen producing compartment, where the anolyte tank and the oxygen producing compartment are fluidly connected to one another by a fluid pathway, so as to facilitate the circulation of a liquid anolyte from the anolyte tank to the oxygen producing compartment and back to the anolyte tank, an anion-exchange membrane is disposed between the catholyte and anolyte tanks and a current collector attached to the catholyte and anolyte tanks.

Abstract: A system includes a processor. The processor estimates a pattern of a flow of a mixture of drilling fluid and cuttings in an annulus of a wellbore. The flow is estimated as a stationary bed flow, a dispersed flow, or a transitional flow relative to the stationary bed and dispersed flows. The processor estimates parameters based on the estimated pattern of the flow, and determines a plurality of dimensionless parameters including a first dimensionless parameter corresponding to an effect of turbulence on the flow and a second dimensionless parameter corresponding to an effect of gravity on the flow, based on the estimated parameters. The processor characterizes the pattern of the flow as the stationary bed flow, the dispersed flow, or the transitional flow, based on the dimensionless parameters, and models the flow based on the estimated pattern if it is determined that the characterized pattern matches the estimated pattern.

Abstract: Systems, methods, and computer-readable media are described for intelligent, real-time monitoring and managing of changes in oilfield equilibrium to optimize production of desired hydrocarbons and economic viability of the field. In some examples, a method can involve generating, based on a topology of a field of wells, a respective graph for the wells, each respective graph including computing devices coupled with one or more sensors and/or actuators. The method can involve collecting, via the computing devices, respective parameters associated with one or more computing devices, sensors, actuators, and/or models, and identifying a measured state associated with the computing devices, sensors, actuators, and/or models.

Abstract: The present disclosure provides a device and method for diagnosing risk of insufficient hole cleaning problem during drilling wells. The method includes obtaining the measured pressure via several measuring points, and obtaining actually measured value of each measuring point; calculate the theoretical pressure at each measuring points by using the real-time operational data as inputs, evaluating a hole cleaning condition by applying a difference between a theoretical pressure drop and a measured pressure drop to a developed pressure driven hole cleaning model, which gives the risk of insufficient hole cleaning problems and problematic locations. The theoretical pressure drop between two adjacent measurement points along wellbore includes the pressure drop caused by friction effect and hydrostatic effect. However, suspended cuttings in actual drilling fluid may significantly change the pressure drop along wellbore.

Abstract: A door closer is provided. The door closer includes a first connecting plate and a second connecting plate. The first connecting plate is connectable to an external door frame, the second connecting plate is connectable to a door body connecting portion. Connecting rod assemblies and return springs are mounted in the door body connecting portion. One end of the connecting rod assembly passes through the second connecting plate and is hinged to the first connecting plate. When a door is opened, an external door body drives the first connecting plate and the second connecting plate to overturn, and after the connecting rod assembly pulls the door body connecting portion, the return spring is compressed. When the door is closed, the return spring pulls the door body to close automatically.

Abstract: The present invention includes compositions and methods comprising viral vector systems for multiplexed activation of endogenous genes as immunotherapy and viral-based immune-gene therapy.

Abstract: Provided are an antenna of a mobile terminal, and a mobile terminal. The antenna includes a dielectric substrate, a ground plate located on one side of the dielectric substrate, and a near-feed unit, a near-ground unit and a coupling unit that are arranged on the other side of the dielectric substrate; the near-ground unit has one end connected to the coupling unit and the other end connected to the ground plate; the coupling unit and the near-ground unit are equivalent to a Left-Handed (LH) inductor; the near-feed unit is equivalent to a Right-Handed (RH) inductor; the coupling unit is coupled to the near-feed unit and is equivalent to an LH capacitor; the coupling unit is coupled to the ground plate and is equivalent to an RH capacitor; and the near-feed unit, the near-ground unit, the coupling unit and the ground plate form a Composite Right-Left-Handed Transmission Line (CRLH-TL) structure.

Abstract: An abnormal trend detection system for detecting one or more hazards may provide for a safe and effective drilling operation as any of the one or more hazards may be avoided. Several indicators may be defined including a first, second, third and fourth indicator. The indicators are used to identify in a trend analysis abnormal trends. One or more thresholds may be defined. When a trend analysis indicates that a threshold has been reached or exceeded an alarm may be triggered, a drilling operation may be altered or a combination thereof.

Abstract: A method for sidelink data retransmission can include receiving a first negative acknowledgement (NACK) at a base station (BS) from a receiver user equipment (Rx UE). The NACK corresponds to an original transmission of sidelink data over a sidelink from a transmitter user equipment (Tx UE). The method can further include selecting one or both of the BS and the Tx UE to perform a first retransmission of the sidelink data to the Rx UE. A method of sidelink synchronization can include selecting at a UE a timing reference with a highest priority among available sidelink synchronization timing references according to a rule indicating timing references listed from high priority to low priority: gNB or eNB; UE directly synchronized to gNB or eNB; UE in directly synchronized to gNB or eNB; GNSS; UE directly synchronized to GNSS; UE indirectly synchronized to GNSS; and remaining UEs.

Abstract: A method includes receiving a plurality of drilling parameters from a drilling operation, wherein the plurality of drilling parameters. The drilling parameters include a cuttings bed height and a friction factor between a drill string and a wellbore. The method further includes applying the plurality of drilling parameters to a friction model. The friction model utilizes a function of the cuttings bed height to determine a comprehensive friction factor. The comprehensive friction factor is applied to the plurality of drilling parameters to determine a required torque or hook load of the drill string. The method further includes providing an indication of a stuck pipe event.