Abstract: A wireless device (110) receives a frequency resource configuration (200) from an access node (120), the access node generates downlink control information DCI (201) and transmits a control message (202) including at least one slot format indicator, SFI, field and a frequency resource indicator field. Based on the frequency resource indicator, the wireless device determines whether a particular frequency resource is available for operation (203) and whether the wireless device can receive or transmit data on said frequency resource (204, 205).

Abstract: The disclosure discloses a membrane electrode assembly (MEA) for electrochemically converting carbon monoxide (CO) into ethylene (C2H4) under applied current density, the MEA comprising: a cathode; an anode; an anion-exchange membrane (AEM) to separate the cathode from the anode; an anolyte; a reactant inlet in fluid communication with the cathode to provide a CO-enriched gas component; and a product outlet in fluid communication with the cathode to release a product mixture comprising C2H4; wherein the cathode comprises: a first layer including adsorption sites to adsorb CO as CO* intermediates; a second layer that facilitates stabilization of the CO* intermediates for adsorption onto the adsorption sites of the first layer; and a third layer that facilitates diffusion of CO to the adsorption sites of the first layer.

Abstract: Monodisperse microspheres are arranged in macropores of a substrate to form a photonic crystal structure; with the photonic crystal as a template, ordered microporous carbon is synthesized in gaps of the template, and then the photonic crystal template is removed to obtain a three-dimensional ordered hierarchical porous carbon photonic crystal, and thus a large-area thick-film controllable textured photonic crystal is formed and is composited with element sulphur to obtain a sulphur cathode, and the sulphur cathode and metal lithium serving as a counter electrode are assembled into a lithium-sulphur battery. According to the invention, the controllable thick film with an electrode thickness of 10 ?m to 650 ?m can be achieved by changing the thickness of the substrate and the concentration of a suspension liquid. In the meanwhile, large-area preparation with an electrode area of 0.1 cm sup.2 to 400 cm sup.2 can be achieved by changing the area of the substrate.

Abstract: A device and a method for early monitoring of gas intrusion based on pressure wave propagation are provided in the present disclosure. The technical solution is as follows. The lower end of the liquid storage tank is connected to the simulated wellbore through a liquid injection pipeline, a centrifugal pump, a pressure-stabilizing water tank, and a mass flowmeter. One end of the gas storage tank is connected to a screw air compressor, while the other end is connected to the simulated wellbore through an injection pipeline and a micro-orifice flowmeter. The gas-liquid mixer is provided at the upper end of the simulated wellbore, with the pressure-disturbing device connected below it. Multiple pressure sensors are provided at the middle of the simulated wellbore and connected to the computer via wires and an oscilloscope.

Abstract: Systems, methods, and computer program products for multi-domain ensemble learning based on multivariate time sequence data are provided. A method may include receiving multivariate sequence data. At least a portion of the multivariate sequence data may be inputted into a plurality of anomaly detection models to generate a plurality of scores. The multivariate sequence data may be combined with the plurality of scores to generate combined intermediate data. The combined intermediate data may be inputted into a combined ensemble model to generate an output score. In response to determining that the output score satisfies a threshold, at least one of an alert may be communicated to a user device, the multivariate sequence data may be inputted into the feature-domain ensemble model to generate a feature importance vector, or at least one of a model-domain, a time-domain, a feature-domain, or the combined ensemble model may be updated.

Abstract: A ship hydrogen hybrid power propulsion system and a method thereof are provided. The ship hydrogen hybrid power propulsion system includes a motor, a propeller, a power battery, an external motor controller, an internal motor controller, a hydrogen fuel cell, a hydrogen internal combustion engine, and a hydrogen storage tank. It combine the hydrogen fuel cell with the hydrogen internal combustion engine, and the hydrogen fuel cell is combined with the power battery and dynamically coupled with the internal motor and the external motor. Only a single hydrogen energy is needed, which is conducive to the layout and integration of the power system and achieves zero carbon emissions. Compared to the current dual motor power system, it has high integration, simpler power coupling, and a wider range of power output, making it particularly suitable for the high load and high-power output requirements of heavy-duty ships.

Abstract: A computer obtains node embeddings, node periodicity classifications, edge embeddings, and edge periodicity classifications for each time of a time period. The computer determines subgraph embeddings based on a subgraph of the graph, times in the time period, the node embeddings for nodes in the subgraph, the edge embeddings for edges in the subgraph, the node periodicity classifications for the nodes in the subgraph, and the edge periodicity classifications for the edges in the subgraph. The computer translates each subgraph embedding of the subgraph embeddings for each time of the time period into projected subgraph embeddings. For the subgraph, the computer aggregates the plurality of projected subgraph embeddings into an aggregated subgraph embedding. The computer determines if the subgraph is periodic based upon at least the aggregated subgraph embedding.

Abstract: A method of determining a fusion parameter, a method of recommending an information, a method of training a parameter determination model, an electronic device and a storage medium are provided. The method of determining the fusion parameter includes: inputting a recommendation reference information of a target object into a feature extraction network in a parameter determination model to extract a first object feature for the target object; and inputting the first object feature into a multi-task network in the parameter determination model to obtain a first fusion parameter of a plurality of evaluation indexes for the target object. The plurality of evaluation indexes are used to evaluate a preference of the target object for a recommendation information.

Abstract: The present invention discloses a method for determining a tooth magnetic flux density ratio and an optimal split ratio of a motor, relating to the field of motor design.

Abstract: The present disclosure provides an efficient vibration reduction and isolation base supported by a chained panel fluid bladder, including a chained panel, the vibration reduction fluid bladder, vertical limiting devices and a bottom plate. The chained panel is a discontinuous structure formed by connecting chained substructure panels in series by panel hinge devices. The vibration reduction fluid bladder and the vertical limiting devices are fixedly installed between the chained panel and the bottom plate. The chained panel is constructed based on the impedance mismatch principle and provided with a mechanical device. Mechanical vibration energy is dissipated twice by the chained panel and the vibration reduction fluid bladder, thereby greatly reducing influences of mechanical device operation on a hull structure.

Abstract: A device and a method for early monitoring of gas intrusion based on pressure wave propagation are provided in the present disclosure. The technical solution is as follows. The lower end of the liquid storage tank is connected to the simulated wellbore through a liquid injection pipeline, a centrifugal pump, a pressure-stabilizing water tank, and a mass flowmeter. One end of the gas storage tank is connected to a screw air compressor, while the other end is connected to the simulated wellbore through an injection pipeline and a micro-orifice flowmeter. The gas-liquid mixer is provided at the upper end of the simulated wellbore, with the pressure-disturbing device connected below it. Multiple pressure sensors are provided at the middle of the simulated wellbore and connected to the computer via wires and an oscilloscope.

Abstract: The disclosure discloses a membrane electrode assembly (MEA) for electrochemically converting carbon monoxide (CO) into ethylene (C2H4) under applied current density, the MEA comprising: a cathode; an anode; an anion-exchange membrane (AEM) to separate the cathode from the anode; an anolyte; a reactant inlet in fluid communication with the cathode to provide a CO-enriched gas component; and a product outlet in fluid communication with the cathode to release a product mixture comprising C2H4; wherein the cathode comprises: a first layer including adsorption sites to adsorb CO as CO* intermediates; a second layer that facilitates stabilization of the CO* intermediates for adsorption onto the adsorption sites of the first layer; and a third layer that facilitates diffusion of CO to the adsorption sites of the first layer.

Abstract: A traffic flow migration situation display method and apparatus, a device and a medium, relating to the field of traffic analysis technologies. The method includes: obtaining a road network driving trajectory of a vehicle, the road network driving trajectory being composed of links in the road network; determining traffic flow migration data of a target region based on a spatial positional relationship between the road network driving trajectory and the target region, the traffic flow migration data including region-level traffic flow migration data and road-level traffic flow migration data, the region-level traffic flow migration data being used for representing a traffic inflow/outflow situation of the target region, and the road-level traffic flow migration data being used for representing a traffic inflow/outflow situation of a boundary link of the target region; and displaying a traffic flow migration situation of the target region based on the traffic flow migration data.

Abstract: The invention provides an electrocatalyst and a method of preparing a metal catalyst material comprising in-situ electrodeposition of the catalytic metal in the presence of CO2 and/or CO under electroreduction conditions, wherein the catalytic metal comprising copper (Cu) or silver (Ag) is electrodeposited onto a substrate comprising a gas diffusion layer and wherein the gas diffusion layer includes a metal seed layer disposed thereon, so that the catalytic metal is electrodeposited as an active catalyst layer onto the metal seed layer.