Abstract: Provided is a current compensation system for solar generators for compensating for noise using an active electromagnetic interference (EMI) filter. An inverting system for solar generators includes a solar inverter converting DC voltage to AC voltage, an EMI filter unit including an active EMI filter to reduce noise corresponding to the AC voltage, a power grid, and at least two or more through lines passing a second current from the power grid to the solar inverter and passing through the EMI filter unit, wherein the active EMI filter includes a noise sensing unit sensing a first current on the at least two or more through lines and generating an output signal corresponding to the first current, an active circuit unit amplifying the output signal to generate an amplified signal, a compensation unit generating a compensation current based on the amplified signal, and a transmission unit providing a path through which the compensation current flows to each of the at least two large current paths.

Abstract: An arrayed switch circuit includes a substrate, signal conductive pads and signal expansion pins. The signal conductive pads are disposed on the substrate at intervals, and the signal conductive pads are arranged to form a signal conductive pad array. Each of the signal conductive pads has a row position and a column position in the signal conductive pad array. A row signal switch is provided between any two adjacent signal conductive pads corresponding to the same row position, and a column signal switch is provided between any two adjacent signal conductive pads corresponding to the same column position. The signal expansion pins are connected to the signal conductive pads located on at least one side of the signal conductive pad array through signal expansion switches respectively.

Abstract: Provided is a diversity antenna and an electronic device including the same. The diversity antenna according to various example embodiments includes a plurality of radiation elements having a tubular shape with apertured upper and lower portions, and a connection plate configured to connect the plurality of radiation elements to each other, the plurality of radiation elements is arranged in a vertical direction coaxially, and the connection plate includes an aperture configured to allow a power supply line to pass through.

Abstract: Provided is a method of converting a hydrocarbon using a catalyst/catalyst support including a PST-32 or PST-2 zeolite, which has an effect of increasing the selectivity/yield of a light olefin product and reducing a side reaction to sustain catalytic activity, in various hydrocarbon conversion reactions, in particular, catalytic cracking of diesel.

Abstract: Provided are a resource configuration method, a random access method, a network side device and a terminal. The method comprises: sending first configuration information to a terminal, wherein the first configuration information is first configuration information of a first message that is randomly accessed, and the first message comprises: a preamble and a load; and the first configuration information is used for configuring at least one first resource for sending the preamble and at least one second resource that corresponds to each first resource respectively and is used for sending the load.

Abstract: Provided is a transistor including: a constant current formation layer; a channel layer provided on the constant current formation layer; a pair of source/drain regions spaced apart from each other, with the channel layer therebetween on the constant current formation layer; a gate electrode provided on the channel layer; and a gate ferroelectric film provided between the gate electrode and the channel layer.

Abstract: A window device for diagnosis of plasma OES (Optical Emission Spectroscopy), is disclosed and includes a housing including a first chamber and a second chamber horizontally adjacent to each other; a connection opening defined in one face of the housing and between the first and second chambers, the connection opening faces toward an opening through which light of plasma from a plasma chamber is exposed to the connection opening; an observation window opening defined in an opposite face of the housing opposite to the connection opening, the observation window opening is coaxial with the connection opening, the light of the plasma transmits through the observation window opening, and is incident to a light receiver of an OES sensor; an observation window positioned inside the observation window opening and in the housing; a winder and a rewinder installed in the first and second chambers, respectively; and a transparent film.

Abstract: The present invention relates to a method for transmitting an aggregate MPDU and a response frame thereto and a wireless communication terminal using the same, and more particularly, to a wireless communication method and a wireless communication terminal for setting various formats of the aggregate MPDU and the response frame thereto and performing an efficient data communication by using the same.

Abstract: The embodiment of the present application provides a key generation method, which relates to a terminal device, a network device and a computer-readable storage medium, wherein the method includes: determining a first key based on the long-term key; generating the session key based on the first key and at least one additional key, communicating with the network side based on the session key; wherein, the at least one additional key includes: an initial session key generated when the terminal device is connected to the network for the first time, and/or a session key used in the last communication; the first key and the at least one additional key are both symmetric keys.

Abstract: A computing system is configured to receive, at a service entity, from a data exchange entity, an execution command indicating to store an instance of a data program in a memory portion of the computing system by storing computer instructions based on an external data program of an external computing system. The computing system is configured to receive, at a service entity, from a data exchange entity, an indication of availability of the input data. The input data is available for use by the instance of the data program. The computing system is configured to send from the service entity an indication of availability of the output data. The output data is generated based on execution of the instance of the data program.

Abstract: The present disclosure relates to an apparatus and a method for measuring miscibility in oil using back titration. The apparatus includes: a flocculation solution storage unit; a flow cell including a UV transmitting member; a dissolving agent storage unit; a UV irradiation unit; and a measurement unit, wherein: a flocculation solution is stored in the flocculation solution storage unit; the flocculation solution circulates between the flocculation solution storage unit and the flow cell; the measurement unit measures the UV transmittance of the flocculation solution while the dissolving agent in the dissolving agent storage unit is supplied to the flocculation solution storage unit; the miscibility in the oil is calculated from the amount of dissolving agent supplied and a change in the UV transmittance measured by the measurement unit; and the miscibility is calculated based on a time point when the slope of increase in the UV transmittance changes.

Abstract: An approach to forecasting battery health as a dynamic time-series problem as opposed to a static prediction problem is presented. Systems and methods disclosed herein forecast a trajectory to failure by predicting a path to failure as opposed to only predicting when the battery may fail. A machine-learning model is implemented that extracts unique features taken from time-series data, such as time snippets of charging data. The raw time-series data may include current voltage and temperature with complex transformations and without capturing a full cycle, which permits wider applicability to instances of varying depth of discharge (DoD).

Abstract: The present disclosure relates to a carbon nanotube fiber having improved physical properties and a method for manufacturing the same. The method according to the present disclosure comprises the steps of: spinning carbon nanotubes with a purity of 90% by weight or more to obtain a first carbon nanotube fiber; and heat-treating the first carbon nanotube fiber at 500 to 3,000° C. under an inert gas atmosphere to obtain a second carbon nanotube fiber, wherein the second carbon nanotube fiber has a density of 1.0 to 2.5 g/cm3.

Abstract: The present disclosure relates to a hybrid thrust bearing that combines an airfoil bearing and a magnetic bearing to support a rotating shaft with a disk-shaped thrust disk, and the magnetic bearing includes a disk-shaped housing into which the rotation shaft is inserted through a hole formed in a center and facing the thrust disk, a ring-shaped inner pole part formed around the hole on one side of the housing facing the thrust disk, a ring-shaped outer pole part disposed outside the inner pole part, an attachment part provided between the inner pole part and the outer pole part, and a coil stored in the attachment part, wherein a part of the airfoil bearing is inserted into the attachment part.

Abstract: The present invention relates to a preparation method for pyrimidine-2-amine and, more specifically, to a method for preparing a pyrimidine-2-amine compound via a pyrimidine-2-iminium salt intermediate by using a nucleophilic imine-type reagent, in which various amino functional groups are selectively introduced at position No. 2 of pyrimidine.

Abstract: The present disclosure relates to method for cloud-edge data transmission of an electrochemical energy storage station, including: caching the first data to be transmitted and sending a connection re-establishment request to the cloud node; sending second data to be transmitted to the cloud node; sending the cached first data to the cloud node in an idle period after the first period; determining a characteristic value of third data to be transmitted, sending the characteristic value to the cloud node, and caching a non-characteristic value apart from the characteristic value, in a case where an abnormal working condition of the edge node is detected; sending to the cloud node fourth data to be transmitted; and sending the non-characteristic value of the third data to the cloud node in an idle period after the second period.

Abstract: A routing method in a multilayer structure is provided. The routing method may include: acquiring a routing problem, wherein the routing problem is a problem of generating a path set that includes respective paths for multiple node groups arranged in a multilayer structure, generating a routing order example for the multiple node groups, generating a path set for the multiple node groups by executing a routing algorithm based on the routing order example, establishing a training set by obtaining a cost of the generated path set based on a predefined evaluation function, and training a deep learning model to predict a routing order using the training set.

Abstract: An electric power stability control simulation model construction method and apparatus, and an electric power stability control simulation system. According to an external interface function extracted from a stability control device program, a corresponding callback interface function is generated by using the external interface function, and an electric power stability control simulation model is constructed by means of the callback interface function in combination with the correspondence between the callback interface function and the external interface function. When the electric power stability control simulation model is executed to perform a simulation test, the corresponding external interface function can be called by means of the callback interface function, so that the function simulation of the corresponding stability control device program can be realized.

Abstract: A system for producing rebar includes a pultruding machine configured to receive a flexible rebar preform. The flexible rebar preform includes at least one reinforcement filament, and at least one thermoplastic filament. The at least one reinforcement filament, and the at least one thermoplastic filament are arranged in a selected distribution across a cross-section of the preform. The pultruding machine includes a pulling apparatus, a rebar cutting apparatus, and a bending apparatus. The pultruding machine is configured to heat the flexible rebar preform to a first temperature. The first temperature is greater than or equal to a melt temperature of the thermoplastic filaments. The pulling apparatus is configured to pull the flexible rebar preform through a pultrusion die to form the rebar. The rebar cutting apparatus is configured to cut the rebar at a prespecified length. The bending apparatus is configured to bend the cut rebar to a prespecified bend geometry.

Abstract: A low-cost and high-strength Bi-based superconducting wire/tape and a preparation method thereof, the preparation method includes: 1. subjecting a first Bi-based superconducting wire/tape to electrochemical silver reduction to remove a Ag alloy layer to obtain a second Bi-based superconducting wire/tape; and 2. subjecting the second Bi-based superconducting wire/tape to surface enhancement, such that a Cu layer is formed to obtain the low-cost and high-strength Bi-based superconducting wire/tape. An electrochemical silver reduction technology combines with an electrochemical additive method to remove a Ag alloy layer on a surface of a Bi-based superconducting wire/tape and coat a high-strength Cu layer, such that a low-cost and high-strength Bi-based superconducting wire/tape can be prepared, which reduces a preparation cost and improves a strength of a Bi-based superconducting wire/tape to meet the application requirements of large super-strong magnets.