Abstract: Methods of forming fully aligned vias connecting two metal lines extending in two directions are described. The fully aligned via is aligned with the first metal line and the second metal line along both directions. A third metal layer is patterned on a top of a second metal layer in electrical contact with a first metal layer. The patterned third metal layer is misaligned from the top of the second metal layer. The second metal layer is recessed to expose sides of the second metal layer and remove portions not aligned sides of the third metal layer.

Abstract: Techniques to incorporate quality of experience (QoE) in mobility management are disclosed. A user equipment (UE) may provide a QoE report to network (e.g., cell) upon detection of a QoE report triggering event (e.g., mobility management, environmental trigger, etc.). The QoE report may comprise information related to QoE metrics such as uplink (UL) latency, UL throughput, UL error rate, downlink (DL) frequency, DL throughput, DL error rate, handover (HO) frequency, beam switch frequency, UE power consumption, etc. The network may take actions such as sending a mobility management command if it is decided that QoE should be restored to the UE.

Abstract: Disclosed are a refrigerator and a door assembly therefor; the door assembly includes two oppositely arranged doors and a turnover beam assembly, wherein the turnover beam assembly includes: a turnover beam body; a guide part extending out of one end of the turnover beam body and configured to be fitted with a retainer provided on a cabinet of the refrigerator; a locking part telescopically provided in the turnover beam body and having a first end fixedly connected with the guide part and a second end having a locking portion, the locking part having an unlocking state and a locking state. In the present invention, an anti-turnover function of the turnover beam body is achieved using the locking part and the elastic part, which improves coordination among all components, makes an internal structure of the turnover beam assembly more reasonable, achieves high practicability, and realizes easy popularization.

Abstract: A gas extraction device for metal mineral inclusions and a gas extraction method therefor are provided, the device includes a base plate, an annular carrier, sealing covers, a grinding assembly, a vacuum assembly, a gas-gathering assembly and a mass spectrometer. The annular carrier is disposed on the base plate, multiple grinding chambers are defined and evenly distributed in a circular shape on the annular carrier, the sealing covers are disposed at openings of the grinding chambers, the grinding assembly includes grinding hammers, and the grinding hammers penetrate through the sealing covers and extend into the grinding chambers. Side walls of each grinding chamber defines a first through hole and a second through hole. The vacuum assembly is communicated with the grinding chambers through the first through holes. The gas-gathering assembly is communicated with the grinding chambers through the second through holes. The mass spectrometer is communicated with the gas-gathering assembly.

Abstract: Disclosed are a method and device for realizing advanced nitrogen removal of mature landfill leachate and sludge reduction by using sludge fermentation products as carbon source, belonging to the field of biological treatment of sludge of high ammonia nitrogen wastewater.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may detect interference, in a remote interference management (RIM) scenario, in a set of sub-bands of a plurality of sub-bands of a bandwidth portion. The base station may transmit, to identify the set of sub-bands in which interference is detected, a set of reference signals configured to indicate the set of sub-bands in which the interference is detected. Numerous other aspects are provided.

Abstract: An elastic cooperative inference architecture and method for UAV cluster can dynamically update the scheduling policy according to the status of each node, and can deal with the failure of some nodes. In addition, the elastic cooperative inference architecture and method can process larger scale complex models on the embedded devices with limited performance carried by UAVs by means of cooperative inference, so as to improve the accuracy of intelligent applications. At the same time, the elastic cooperative inference architecture and method can adaptively update the allocation strategy when some nodes are unavailable or recovered, and improve the survivability of UAV cluster through elastic coordination.

Abstract: Embodiments of the present disclosure generally relate to subtractive metals, subtractive metal semiconductor structures, subtractive metal interconnects, and to processes for forming such semiconductor structures and interconnects. In an embodiment, a process for fabricating a semiconductor structure is provided. The process includes performing a degas operation on the semiconductor structure and depositing a liner layer on the semiconductor structure. The process further includes performing a sputter operation on the semiconductor structure, and depositing, by physical vapor deposition, a metal layer on the liner layer, wherein the liner layer comprises Ti, Ta, TaN, or combinations thereof, and a resistivity of the metal layer is about 30 ??·cm or less.

Abstract: A voltage controlled oscillator (VCO), including: at least one second upper voltage rail; at least one second lower voltage rail; a ring of N cascaded inverters, wherein the set of N cascaded inverters are coupled between the at least one second upper voltage rail and the at least one second lower voltage rail; at least one first frequency band select circuit coupled between first upper voltage rail and the at least one second upper voltage rail; at least one second frequency band select circuit coupled between the at least one second lower voltage rail and first lower voltage rail; at least one first VCO frequency control circuit coupled between the first upper voltage rail and the at least one second upper voltage rail; and at least one second VCO frequency control circuit coupled between the at least one second lower voltage rail and the first lower voltage rail.

Abstract: Embodiments of the present disclosure relate to a permission setting method and apparatus, a device, and a medium. The method includes: displaying a permission customization control, in response to a trigger operation on a permission setting object of task information, the permission setting object including a first information object and/or a second information object, the second information object being subordinate to the first information object; displaying a permission editing interface, in response to a trigger operation on the permission customization control, and receiving customization permission information via the permission editing interface; and displaying the customization permission information corresponding to the permission setting object. Therefore, a hierarchy structure based on the task information satisfies a setting need for content-based permission customization, and improves a permission management efficiency.

Abstract: The invention provides a suspension modifier directly added into fracturing fluid for real-time proppant modification during fracturing and the application thereof, relating to the field of oil and gas production technologies. The suspension modifier is a controlled release nanoemulsion and comprises surface hydrophobic modifier, surfactant, cosurfactant and water. The suspension modifier is directly added into clear-water or active-water fracturing fluid while the proppant is added into water. After stirring, the suspension modifier is capable of self-assembling and being adsorbed on the proppant surface, so that the proppant surface becomes hydrophobic and aerophilic. The invention no longer requires the proppant to be pretreated, and the bubble-suspended proppant can be obtained directly by adding the suspension modifier to the clear-water or active-water fracturing fluid, and meanwhile adding the proppant to the fracturing fluid.

Abstract: This application relates to a codeword synchronization method, a chip, a network device, and a system. The codeword synchronization method includes: receiving a first data sequence, where the first data sequence includes a plurality of bits, and a codeword in the first data sequence includes extension information for verifying the codeword; selecting at least one group of bits from the plurality of bits as the extension information to perform verification, and determining a candidate bit in the plurality of bits based on a result of the verification; and determining a synchronization position based on the candidate bit, where the synchronization position indicates a start position of the codeword that is in the first data sequence.

Abstract: Embodiments of the present systems and methods may provide techniques to predict the success or failure of a drug used for disease treatment. For example, a method of determining drug efficacy may include, for a plurality of patients, generating a directed acyclic graph from health related information of each patient comprising nodes representing a medical event of the patient, at least one first edge connecting the first node to an additional node, each additional edge connecting nodes representing two consecutive medical events, the edge having a weight based on a time difference between the two consecutive medical events, capturing a plurality of features from each directed acyclic graph, generating a binary graph classification model on captured features of each directed acyclic graph, determining a probability that a drug or treatment will be effective using the binary graph classification model, and determining a drug to be prescribed to a patient based on the determined probability.

Abstract: The present disclosure discloses a data transmission method, apparatus, device, and system, and a computer-readable storage medium. The data transmission method includes: A first chip obtains first data produced through coding data using a first FEC code type; determines a second FEC code type based on a reference clock frequency of the first chip and an output rate corresponding to the first FEC code type; codes the first data based on the second FEC code type to produce second data; and transmits the second data. A third chip receives the second data, and decodes the second data based on the second FEC code type, to produce decoded data.

Abstract: This application relates to the communication field, and discloses a communication method, apparatus, and system, a storage medium, and a computer program product. The method includes: obtaining a data stream, where the data stream includes an AM group, the AM group includes a plurality of AMs, the plurality of AMs include a first AM, the first AM includes a first boundary part and a first padding part, the first padding part includes a part or all of first information, the first information is used to indicate a specified function, and the first boundary part is used to determine a location of the first AM in the data stream; and sending the data stream. This application can provide a new method for sending information.

Abstract: Disclosed is a method for rapidly preparing biodiesel at low temperatures, belonging to the technical field of chemical energy. The method includes the following steps: adding alkali catalyst, alcohol and organic solvent into grease, and obtaining the biodiesel through transesterification. The transesterification is carried out with the addition of organic solvent, including petroleum ether or n-hexane to improve the compatibility between the two phases of alcohol and grease, increase contact area between the two phases of alcohol and grease, reduce mass transfer resistance between the two phases of alcohol and grease, and promote the grease molecules to enter the methanol solution and dissolving of oil in the grease.

Abstract: Provided are a neural network training method and apparatus for image retrieval, and an electronic device. A neural network includes: one feature extractor and a plurality of learners. The method includes: for each training image group, inputting three images of the training image group into the feature extractor, and determining features of the three images (501); for each image in each training image group, respectively multiplying the features of the image by a random weight corresponding to each learner, so as to obtain weighted features corresponding to each learner (502); for each image in each training image group, inputting the weighted features of the image corresponding to each learner into the corresponding learner, and determining a plurality of feature vectors of the image (503); and adjusting parameters of the neural network on the basis of the plurality of feature vectors of each image in a plurality of training image groups (504).

Abstract: An installation method of a bent cap for mutually restraining adjacent pier studs in a prefabricated and assembled bridge is provided. A bent cap mold base is configured in a form of a bent cap, which includes fixedly arranging limiting steel rings at two ends of a rectangular frame and vertically arranging steel bar sleeves in the limiting steel rings, hoisting the cap bent mold base on top portions of adjacent two prefabricated pier studs, such that pier stud pre-embedded steel bars protruding from the top portions of the two prefabricated pier studs are correspondingly inserted into the steel bar sleeves at two ends of the bent cap mold base one by one, and limiting the adjacent two prefabricated pier studs in the bent cap mold base.

Abstract: An interface includes a first functional part and a second functional part. The first functional part is configured to implement processing dependent on a medium access control (MAC) rate, and the second functional part is configured to implement processing independent of the MAC rate.

Abstract: A codeword synchronization method includes determining a candidate in a plurality of bits of a data sequence received by a receive end, and determining a synchronization position based on the candidate bit, where the synchronization position indicates a start position of a codeword in the data sequence.