Abstract: A splitting apparatus provides M groups of ports and includes M splitting elements. Each splitting element includes at least one feeder end and N branch ends, where M=N+1. Each branch end of each splitting element is coupled to one branch end of another splitting element in the M splitting elements, where different branch ends of each splitting element are coupled to one branch end of different splitting elements. A feeder end of each splitting element is coupled to one group of ports in the M groups of ports of the splitting apparatus, and feeder ends of different splitting elements are coupled to different groups of ports. The splitting apparatus may implement an optical bus structure with peer-to-peer topologies.

Abstract: A nickel-based superalloy composition is provided that includes 6.1 wt. % to 6.6 wt. % aluminum; 5.6 wt. % to 6.6 wt. % tantalum; 9.0 wt. % to 11.0 wt. % chromium; 5.5 wt % to 6.2 wt. % tungsten; 1.1 wt. % to 1.4 wt % molybdenum; 2.0 wt. % to 2.6 wt % rhenium; 5.5 wt. % to 10.0 wt % cobalt; 0.2 wt % to 0.5 wt % hafnium; up to 0.05 wt % carbon; 0.002 wt % to 0.01 wt % boron; and a balance of nickel and incidental impurities, wherein the composition exhibits a rupture life that is greater than 40 hours at 982.2° C. and 40 ksi, and wherein the composition exhibits a corrosion resistance of less than 50.8 ?m attack at 926.7° C. after a 940 hour burner rig test. Components are also provided formed from the composition.

Abstract: Fiducial marker detection systems and methods are provided. In one example, a method includes capturing, by a camera of an unmanned aerial vehicle, an image. The method further includes identifying one or more image contours in the image. The method further includes determining a position of a fiducial marker in the image. The method further includes projecting, based at least on the position, models associated with one or more contours of the fiducial marker into an image plane of the camera to obtain one or more model contours. The method further includes determining a pose associated with the fiducial marker based at least on the one or more image contours and the one or more model contours. Related devices and systems are also provided.

Abstract: The present invention is to provide a solution of high density storage and goods-to-man picking by proposing a three dimensional warehouse system for accurate inbound and outbound operation and management and improved space utilization rate of the warehouse. The technical solution includes a rack, containers, carrier vehicles, and track-switching devices. The rack includes a track structure and defines at least one load-bearing platform. The track structure includes running tracks, and the at least one load-bearing platform located below the running track. Each container stores goods, and part of the containers are stacked and placed on the at least one load-bearing platform. The carrier vehicle moves back and forth on the running tracks to perform storage and retrieval operations in the container storage system. The track-switching device is configured to switch the carrier vehicle from a current running track where the carrier vehicle is located to a target running track.

Abstract: Provided are an enterovirus D68 (EV-D68) or a modified form thereof, or a nucleic acid molecule comprising a genomic sequence or cDNA sequence of the EV-D68 or a modified form thereof, or a complementary sequence of the genomic sequence or cDNA sequence, or a pharmaceutical composition comprising the EV-D68 or a modified form thereof, or the nucleic acid molecule, and use of the EV-D68 or a modified form thereof, or the nucleic acid molecule in the manufacture of a pharmaceutical composition for treating a tumor.

Abstract: An abrasive water jet nozzle for strengthening, including a chamber, providing a mixing space; and a strengthening mixing assembly, providing a strengthening mixing of water with an abrasive entering the chamber, wherein the strengthening mixing assembly includes a fluid passage and a water stopper block, wherein the water stopper block is located at an eccentric position on one side of the chamber, and an outlet of the fluid passage faces the water stopper block. The provided abrasive water jet nozzle is capable of fully mixing high speed water with the abrasive particles after the high speed water entering the mixing chamber, so as to ensure the uniformity of the strengthening effect, and the formed abrasive water jet is a large circular fan-shaped jet, which can greatly improve the strengthening quality of the abrasive water jet.

Abstract: A detection device, such as an unmanned vehicle, is adapted to detect and classify an object in sensor data comprising at least one image using a dual-task classification model comprising predetermined object classifications and learned object classifications, determine user interest in the detected object, communicate object detection information to a control system based at least in part on the determined user interest in the detected object, receive learned object classification parameters based at least in part on the communicated object detection information, and update the dual-task classification model with the received learned object classification parameters.

Abstract: Disclosed is a method for detecting densely occluded fish based on a YOLOv5 network, belonging to the technical field of fish images. The method includes a data set establishment and processing part, a model training part and a model testing part; the data set establishment and processing part includes data collection of fish pictures, data labelling and data division of the fish pictures; and the data division is to divide data into a training set, a verification set and a test set.

Abstract: The present invention belongs to the field of virology, in particular to the field of hepatitis B virus treatment. Provided are a model and a method for screening HBV cccDNA inhibitors. According to the screening model and the method, the detection of a split luciferase is used as an alternative index ofHBV cccDNA detection, and a cccDNA-targeted drug can be screened in high throughput.

Abstract: Provided are a method for diagnosing nasopharyngeal carcinoma on the basis of the anti-EB virus (EBV) antibody level and a kit used for the method. Also provided are a polypeptide encoded by a BNLF2b gene in EB virus used for the above-mentioned diagnosis and the use thereof for diagnosing nasopharyngeal carcinoma.

Abstract: A rotary tool assembly includes a rotary tool having a body with a working end and a rear end, a motor disposed within the body, and a drive shaft rotatably driven by the motor. A base of the rotary tool assembly includes a battery receptacle configured to receive a battery pack and a stand for supporting the rotary tool when the rotary tool is not in use. The stand includes two arms defining a tool receptacle therebetween in which the rotary tool is supported. A power cord extends between the base and the rotary tool to transfer electric power from the base to the rotary tool to selectively power the motor. The battery pack is received in the battery receptacle for form a foot of the base.

Abstract: An SPUF based on combinational logic and scan chain comprises an external stimulus source, a combinational logic circuit module, a scan chain circuit module, a data processing module and n switch circuits SW0, SW1, . . . , SWn-1, n=2m, and m is an integer greater than or equal to 1; combinational logic circuit module comprises n switch circuits S0, S1, . . . , Sn-1 and a combinational logic circuit; the scan chain circuit module comprises n scan flip-flops (SFFs) SFF0, SFF1, . . . , SFFn-1; each of the n switch circuits SW0, SW1, . . . , SWn-1 and the n switch circuits S0, S1, . . . , Sn-1 is implemented by a 2-to-1 multiplexer. The SPUF based on combinational logic and scan chain has high uniqueness and randomness, requires a few clock frequency changes, and has high reliability, more bits of responses and high security.

Abstract: An adaptor for a surgical clip driver is disclosed herein. The adaptor includes a first body and a second body. Each of the first body and the second body has an opening extending inwardly that is configured to receive a portion of a jaw of the surgical clip driver. The first body also includes a first body retaining member configured to retain a first portion of each of the two or more surgical clips and the second body also includes a second body retaining member configured to retain a second portion of each of the two or more surgical clips. When the first body and the second body are received on the surgical clip driver, the first body retaining member and the second body retaining member face each other and are aligned with each other to receive and retain the two or more surgical clips. A cartridge for retaining surgical clips is also disclosed herein.

Abstract: Provided herein, in some aspects, are polypeptide monomers comprising an angiotensin-converting enzyme 2 (ACE2) ectodomain and an oligomerization domain. Also provided herein are oligomeric complexes comprising ACE2 monomers. Methods of using such to monomers and oligomeric complexes for the diagnosis, prevention, and treatment of viral infections such as the coronavirus are also provided.

Abstract: A street lamp intelligent measurement and control device includes an MCU chip, and an electrical parameter measuring circuit, an NB-IoT communication circuit, a dimming circuit and a switching control circuit respectively connected to the MCU chip. The electrical parameter measuring circuit determines electrical parameter data and electrical energy data of a street lamp load, and transmits the electrical parameter data and the electrical energy data to the MCU chip. The MCU chip actively uploads the electrical parameter data and/or the electrical energy data to a remote control center according to a preset time interval, receives a controlling instruction from the remote control center, and sends out a switching signal and/or a dimming signal according to the controlling instruction. The switching control circuit controls an on-off of the street lamp load according to the switching signal sent by the MCU chip.

Abstract: A voice playing method, a voice transmission method, a voice playing apparatus, and a voice transmission apparatus are provided. The voice playing method includes displaying a game image of a game and a voice playing object on a first user equipment to which a first account in an online game system logs on; controlling, based on the first account selecting to spectate in the game, the voice playing object to be in an on state, in which the first user equipment is enabled to play a second voice generated in association with a second account participating in the game in the online game system; and playing the second voice in the first user equipment, based on the voice playing object being in the on state and based on setting information of the second account indicating that the first account is allowed to listen to the second voice.