Abstract: An optical module includes a circuit board, a circuit sub-board, a signal processing chip, a first light transceiver assembly, and a second light transceiver assembly. The circuit board is configured to be electrically connected to an outside of the optical module. The circuit sub-board is disposed on the circuit board and electrically connected to the circuit board. The circuit sub-board includes a first body and a connecting hole. The connecting hole runs through an upper surface and a lower surface of the first body. The signal processing chip is disposed on the circuit sub-board. The first light transceiver assembly is disposed on the circuit board and located in the connecting hole. The second light transceiver assembly is disposed on the circuit board and located outside the connecting hole.

Abstract: Provided are a salt of a compound for degrading BTK, and/or a crystal form, preparation therefor, and an application thereof.

Abstract: A semiconductor device includes a semiconductor structure, a conductive nitride feature, a third dielectric feature, and a conductive line feature. The semiconductor structure includes a substrate, two source/drain regions disposed in the substrate, a first dielectric feature disposed over the substrate, a gate structure disposed in the first dielectric feature and between the source/drain regions, a second dielectric feature disposed over the first dielectric feature, and a contact feature disposed in the second dielectric feature and being connected to at least one of the source/drain regions and the gate structure. The conductive nitride feature includes metal nitride or alloy nitride, is disposed in the second dielectric feature, and is connected to the contact feature. The third dielectric feature is disposed over the second dielectric feature. The conductive feature is disposed in the third dielectric feature and is connected to the conductive nitride feature opposite to the contact feature.

Abstract: The present application discloses a map data updating method, an apparatus, a device and a readable storage medium. The specific implementation solution is: after receiving road information reported by an electronic device, a server obtains multiple sequences according to the road information, and each road information belonging to the same sequence has the same type and location. After that, the server inputs each road information contained in the sequences to a pre-trained neural network model, so that the neural network model outputs a recognition result according to the sequences. The server updates map data according to the recognition result. With such solution, valid road information is recognized by combining context of each road information in the sequences and the neural network technology, and the map data is updated, which achieves the purpose of accurately updating the map data.

Abstract: A system and method for enabling secure device-to-device (D2D) communication between a plurality of user devices. The method includes providing public and private keys for each of the user devices, the private key arranged to decrypt data encrypted by the corresponding public key. A sender user device creates a digital signature using its private key. The sender double-encrypts a transmission using both the public keys of a recipient user device and a first relay user device. The transmission is transmitted from the sender to the recipient through a plurality of relay user devices. Each relay user device receives the transmission, decrypts a first layer of encryption with its private key, encrypts the transmission with the public key of a subsequent user device; and forwards the data transmission to the subsequent user device. The recipient authenticates the digital signature of the sender using the public key of the sender.

Abstract: A system for providing a persona-driven and artificially-intelligent avatar is disclosed. The avatar may be utilized to represent an artificially-intelligent virtual assistant that may perform actions on behalf of a user, such as actions related to personal shopping for the user. Notably, the avatar may influence artificial intelligence algorithms supporting the functionality of the virtual assistant via quantifiable traits of a persona of the avatar. In particular, the quantifiable traits of the persona of the avatar may be utilized to range bound the controlling parameters of the algorithms such that the virtual assistant represented by the avatar performs actions that conform to the ranged-bounded controlling parameters. Metrics corresponding to the performance of the virtual assistant may be tracked, and the system may modify parameters of the virtual assistant based on the metrics so as to adjust future actions performed by the virtual assistant for the user.

Abstract: A system and method for determining a number of occupants at a location using multiple modalities. The method includes gathering a first data set with a motion sensor of the lighting system. A second data set is gathered with a transceiver of an RF subsystem. First and second estimates are calculated from the second data set using first and second algorithms. The first estimate and the second estimate are fused to create a fused occupant estimate. The first algorithm, the second algorithm, or both the first algorithm and the second algorithm are trained by inputting the second occupant estimate and/or the second set of data to recalibrate parameters of the first algorithm and/or inputting the first occupant estimate and/or the first set of data to recalibrate parameters during training of the second algorithm. A building control system can operated in response to the fused occupant estimate.

Abstract: A carrier is configured to hold a product carried on a material strip during horizontal conveying of the material strip. The carrier comprises a first holding member positioned on the upper or lower side of the product on the material strip during the horizontal conveying of the material strip and extending along a conveying direction of the material strip. A first contact surface is formed on the side of the first holding member facing the product, the first contact surface is configured to contact the product during the horizontal conveying of the material strip to limit the up and down bouncing movement of the product.

Abstract: The present invention provides a small molecule compound. The small molecule compound is a compound represented by the following formula (I), or a stereoisomer, geometric isomer, tautomer, hydrate, solvate, and pharmaceutically acceptable salt or prodrug thereof, wherein R1 to R5 are each independently selected from C or N; and R is selected from cycloalkyl, substituted cycloalkyl, heterocycloalkyl, substituted heterocycloalkyl, aryl, substituted aryl, heteroaryl, or substituted heteroaryl. The small molecule compound of the present invention can inhibit the JAK kinase, and is particularly used as a JAK1/Tyk2 dual inhibitor and a Tyk2 specific inhibitor.

Abstract: Aspects of the disclosure provide a method that can include obtaining a to-be-traveled target route, and determining for a first road section and a second road section adjacent to each other in any two positions starting from the first one of the plurality of road sections, a travel time of the first road section according to first state data of the first road section based on a travel time selection model and a state data prediction model, and determining second state data of the second road section after the first road section is traveled through according to the travel time under the first state data. The method can further include continuing to determine a travel time of the second road section according to the second state data based on the travel time selection model and the state data prediction model, until a travel time of each road section is determined.

Abstract: A differential power amplifier includes an input matching network, a first-stage amplification circuit, a first inter-stage matching network, a second-stage amplification circuit, a second inter-stage matching network, a third-stage amplification circuit, and an output matching network. The first-stage amplification circuit and the second-stage amplification circuit are single-ended input single-ended output circuits. The third-stage amplification circuit is a dual input dual output circuit. The second inter-stage matching network includes a first transformer T1, a first capacitor C1, a second capacitor C2, a first inductor L1, and a second inductor L2. The output matching network includes a second transformer T2. The inter-stage matching networks and the output matching network are realized by the first transformer T1 and the second transformer T2, which reduces an inter-stage matching difficulty, optimizes input return loss and gain, and improves output power.

Abstract: Apparatuses and methods for determining a route are provided. In some examples, the method comprises: receiving measurements of one or more motion sensors of a mobile device disposed in a vehicle; selecting, based on a start time and an end time of a first route, a subset of the measurements; determining, based on the subset of the measurements, turns or stops made by the vehicle as part of the first route and their directions; determining, based on the subset of the measurements, distances of path segments traveled by the vehicle between the turns or stops; constructing an estimated route including a sequence of the turns or stops and path segments; selecting, based on comparing the estimated route and a plurality of candidates routes from a map, the first route; and displaying the map including the first route.

Abstract: Provided are devices with conductive contacts and methods for forming such devices. A method includes forming a lower conductive contact in a dielectric material and over a structure, wherein the lower conductive contact has opposite sidewalls that extend to and terminate at a top surface. The method also includes separating an upper portion of each sidewall from the dielectric material and locating a barrier material between the upper portion of each sidewall and the dielectric material. Further, the method includes forming an upper conductive contact over the lower conductive contact.

Abstract: The present invention relates to the technical field of medicinal chemistry, and particularly to a method for preparing a 3-tetrazolylmethyl-1,3,5-triazin-2,4-dione compound inhibiting coronavirus 3CL protease activity and use thereof. Specifically, a compound of Formula I, or a pharmaceutically acceptable salt, or an optical isomer, or an isotope-substituted form thereof is provided. The compound effectively inhibits the SARS-CoV-2 3CLpro activity, and is useful in the preparation of a SARS-CoV-2 3CLpro inhibitor to block the replication and transcription of SARS-CoV-2 viruses in patients. The compound prepared in the present invention has high in-vitro safety, and very good prospect of application in the preparation of SARS-CoV-2 3CLpro inhibitors and anti-SARS-CoV-2 drugs.

Abstract: A high-speed low-latency interconnect interface (HLII) for silicon interposer interconnection is provided. The HLII is configured to perform large-scale input/output (I/O) interconnection on a silicon interposer, and includes a physical link (PL) and an LL (LL). The LL receives a data signal, a configuration signal, and a control signal of logical resource inside a chiplet, and can complete data conversion, parity check, training, channel repair, instruction stream generation, and other functions for the PL. The PL receives and transmits a data signal converted by the LL. The PL includes a high-speed I/O port, a first input first output (FIFO), and related control logic. The high-speed I/O port of the PL is compatible with both a double date rate (DDR) transmission mode and a single data rate (SDR) transmission mode.

Abstract: A semiconductor device includes a source/drain portion, a metal silicide layer disposed over the source/drain portion, and a transition layer disposed between the source/drain portion and the metal silicide layer. The transition layer includes implantation elements, and an atomic concentration of the implantation elements in the transition layer is higher than that in each of the source/drain portion and the metal silicide layer so as to reduce a contact resistance between the source/drain portion and the metal silicide layer. Methods for manufacturing the semiconductor device are also disclosed.

Abstract: A hybrid feeding device for automatically adjusting a co-firing amount of decaying garbage. The device comprises a mechanical grate furnace, a hybrid garbage conveying device, a raw garbage feeding device, a decaying garbage feeding device, a hybrid garbage crushing device, and a control center. The raw garbage feeding device, the decaying garbage feeding device, and the hybrid garbage conveying device are all connected to the control center. The decaying garbage feeding device is used for transporting decaying garbage to the raw garbage feeding device. The raw garbage feeding device is positioned between the decaying garbage feeding device and the hybrid garbage conveying device. The hybrid garbage crushing device is used for crushing garbage and inputting the garbage to the mechanical grate furnace. The mechanical grate furnace is internally provided with a plurality of temperature sensors, and the plurality of temperature sensors are connected to the control center.

Abstract: Provided in the present invention are a small molecule compound, which is the compound represented by formula (I), or a stereoisomer, a geometric isomer, a tautomer, a hydrate, a solvate, and a pharmaceutically acceptable salt or a prodrug thereof, where R1 to R4 are each independently selected from C or N, and wherein R is selected from a cycloalkyl, substituted cycloalkyl, heterocycloalkyl, substituted heterocycloalkyl, aryl, substituted aryl, heteroaryl or substituted heteroaryl. The small molecule compound of the present disclosure can inhibit a JAK kinase, and more particularly is used as a JAK1/Tyk2 dual inhibitor and a Tyk2 specific inhibitor.

Abstract: The present disclosure discloses a method for calculating a safe drilling fluid density in a fractured formation, including the following steps: S1, performing image processing to identify a downhole fracture; S2, establishing three-dimensional (3D) geological models based on parameters of the downhole fracture, and establishing a drilling wellbore model based on a size and length of a wellbore; S3, assigning the model with material parameters, boundary conditions, and upper and lower bounds of an initial drilling fluid density, and calculating accuracy; S4, solving the 3D geological models using a 3-dimension distinct element code (3DEC) and determining stability of a well wall; S5, determining upper and lower bounds of a drilling fluid density using dichotomy; S6, repeating steps S4 to S5; and S7, after set accuracy conditions are reached, saving and outputting the safe drilling fluid density.

Abstract: An apparatus and a method for testing a multi-channel high-speed low-latency interconnect interface (HLII) for a silicon interposer are provided. The apparatus includes: a standard test port configured to exchange a test instruction; an asynchronous bypass port configured to directly access an input/output (I/O) port of a channel of a physical layer of the interconnection interface; a built-in self-test (BIST) engine configured to implement inter-level loopback testing and data verification; a redundant data channel configured to repair a damaged data channel; and a delay chain testing circuit configured to test a function and linearity of a delay chain. The apparatus embeds test and repair logic into the physical layer and a link layer, achieving internal test control without any external controller. In this way, a sample can be tested and quickly screened to ensure its performance.