Abstract: An approach for controlling method of an electronic device is provided. The approach acquires voice information and image information for setting an action to be executed according to a condition, the voice information and the image information being respectively generated from a voice and a behavior associated with the voice of a user. The approach determines an event to be detected according to the condition and a function to be executed according to the action when the event is detected, based on the acquired voice information and the acquired image information. The approach determines at least one detection resource to detect the determined event. In response to the at least one determined detection resource detecting at least one event satisfying the condition, the approach executes the function according to the action.

Abstract: Provided is a method for preparing 1-butene and propylene including: supplying a C4 mixture stream to a first hydrogenation reactor to convert 1,3-butadiene into 1-butene; supplying a discharge stream from the first hydrogenation reactor to a first distillation column, supplying a lower discharge stream from the first distillation column including 2-butene and n-butane to a metathesis reactor, and supplying an upper discharge stream from the first distillation column including 1-butene and i-butane to a second distillation column; recovering an upper discharge stream the second distillation column including i-butane and recovering 1-butene from a lower discharge stream from the second distillation column; and producing propylene in the metathesis reactor, supplying a discharge stream from the metathesis reactor to a purification unit to recover propylene, and recycling an unreacted material to the metathesis reactor.

Abstract: A steel for a gear includes, based on a total weight of the steel: C: 0.10-0.30 wt %, Si: 0.60-0.80 wt %, Mn: 0.25-0.75 wt %, Cr: 1.80-2.20 wt %, Ni: 0.50-1.50 wt %, Mo: 0.20-0.40 wt %, Nb: 0.025-0.050 wt %, V: 0.030-0.050 wt %, and a balance of Fe and inevitable impurities, wherein contents of Nb and V satisfy the following <Relationship Formula 1>: 0.055<[Nb]+[V]<0.100??<Relationship Formula 1>, wherein [Nb] represents a content of Nb and [V] represents a content of V.

Abstract: Disclosed is a method for controlling a fuel cell of a fuel cell vehicle. The method comprises determining a reference output required for restarting or stopping power generation of a fuel cell according to a required output of a vehicle, correcting the reference output based on vehicle driving condition information comprising a vehicle altitude and coolant temperature and degree of degradation of the fuel cell, and restarting or stopping the power generation of the fuel cell based on the corrected reference output.

Abstract: The disclosure provides a display device and a method of manufacturing the same. The display device includes a plurality of pixel circuit parts disposed on a substrate, a plurality of pixel electrodes, each disposed on the pixel circuit parts, a first insulating layer filling a space between the pixel electrodes, a plurality of light emitting elements, each disposed on the pixel electrodes, and connection electrodes disposed between the light emitting elements and the pixel electrodes. Each of the pixel electrodes includes a protrusion protruding toward a corresponding one of the connection electrodes.

Abstract: The present disclosure may provide a display device and method of fabricating the same. According to one or more embodiments, a display device includes a first substrate including pixel circuit units, a plurality of light-emitting elements on the first substrate, a partition wall filling gaps between the light-emitting elements and providing spaces in emission areas, on the light-emitting elements and wavelength conversion layers in the spaces.

Abstract: The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes a carbon structure and silver nanoparticles, the carbon structure includes a structure in which a plurality of graphene sheets are connected to each other, and the plurality of graphene sheets include two or more graphene sheets having different plane directions.

Abstract: According to one aspect of the present invention, a group account service providing server capable of converting a private account into a group account in real time through a terminal of the host of a comprises: an account management unit configured to convert a first account into a group account when a group account conversion request for the first account of a host of a group is generated; a transaction ledger management unit configured to record change information in a transaction ledger for the group account when the change information including at least one of a transaction occurrence event and an information occurrence event is generated for the group account; a virtual ledger management unit configured to generate a virtual ledger to be mapped to the transaction ledger when the first account is changed to the group account.

Abstract: According to one aspect of the present invention, a group account service providing server capable of converting a private account into a group account in real time through a terminal of the host of a comprises: an account management unit configured to convert a first account into a group account when a group account conversion request for the first account of a host of a group is generated; a transaction ledger management unit configured to record change information in a transaction ledger for the group account when the change information including at least one of a transaction occurrence event and an information occurrence event is generated for the group account; a virtual ledger management unit configured to generate a virtual ledger to be mapped to the transaction ledger when the first account is changed to the group account.

Abstract: An approach for controlling method of an electronic device is provided. The approach acquires voice information and image information for setting an action to be executed according to a condition, the voice information and the image information being respectively generated from a voice and a behavior associated with the voice of a user. The approach determines an event to be detected according to the condition and a function to be executed according to the action when the event is detected, based on the acquired voice information and the acquired image information. The approach determines at least one detection resource to detect the determined event. In response to the at least one determined detection resource detecting at least one event satisfying the condition, the approach executes the function according to the action.

Abstract: A device for detecting a failure of an actuator of a vehicle includes: a training device that trains a model using training data comprising behavior data of the vehicle and a steering compensation angle, and a controller that detects the failure of the actuator in the vehicle based on the model.

Abstract: The present disclosure relates to an all-solid lithium secondary battery and a preparation method thereof, wherein the all-solid lithium secondary battery includes a positive electrode active material layer, a negative electrode active material layer, and a solid electrolyte layer disposed between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes a carbon structure and silver nanoparticles, the carbon structure includes at least one hollow-type particle, and the hollow-type particle includes a hollow and a carbonaceous shell surrounding the hollow.

Abstract: An electrolyte for a lithium secondary battery including a wettability-improving additive having a trifluoromethylsulfonyl group. The electrolyte has reduced surface tension to improve the wettability of an electrode assembly with the electrolyte. Therefore, it is possible to ensure high electrolyte wettability even when the electrolyte includes a high-boiling point solvent or a high concentration of lithium salt.

Abstract: An all-solid lithium secondary battery and a preparation method thereof are proved. The all-solid lithium secondary battery comprises a positive electrode active material layer, a negative electrode active material layer including graphitized platelet carbon nanofibers and silver nanoparticles, and a solid electrolyte layer between the positive electrode active material layer and the negative electrode active material layer.

Abstract: A raw material composition for producing oxygen carriers includes a first component which is one or more of nickel oxide and nickel hydroxide and a second component which is one or more of boehmite, cerium oxide, cerium hydroxide, magnesium oxide, magnesium hydroxide, and titanium oxide, wherein, when the first component is nickel oxide, the second component includes cerium hydroxide. Such a raw material composition for producing oxygen carriers of the present invention is formed into oxygen carriers according to an oxygen carrier producing method, which will be described below, by adjusting the composition, formulation of raw materials, and degree of homogenization. Then, it is possible to produce oxygen carriers having physical properties such as a shape, a particle size, and a particle distribution suitable for a fluidized bed process or a high speed fluidized bed process and having improved wear-resistance, long-term durability, and oxygen transfer performance.

Abstract: The present disclosure relates to an apparatus and a method for an impact test, which can easily accelerate an impact body at a desired acceleration using an air pressure and an electromagnetic force. According to an embodiment of the present disclosure, an apparatus for an impact test includes a clamping unit configured to fix a specimen, and an impact unit disposed to be spaced apart from the clamping unit and configured to accelerate and launch an impact body to collide with the specimen by an air pressure and an electromagnetic force.

Abstract: A non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery including the same are provided. The non-aqueous electrolyte includes a compound represented by the following formula, R1-O—CH2—R2, in an amount of 2 wt % to 50 wt % based on a total weight of the non-aqueous electrolyte, an organic solvent containing a nitrile-based solvent in an amount of 90 vol % to 100 vol %, and a lithium salt.

Abstract: A method and system for providing secure data communication between two or more user terminals in a communication network is proposed. The method may include receiving, from a first user terminal, a first instruction set configured to request that a private account be converted into a group account, the private account owned by a user of the first user terminal. The method may also include generating the group account jointly owned by at least the user of the first user terminal and a user of a second user terminal. The method may also include controlling a first database to store a second information set relating to the group account, and generating a second virtual database different from the first database. The method may also include copying the second information set stored in the first database and recording the copied second information set in the second virtual database.

Abstract: A user terminal including a graphical user interface (GUI) for providing secure data communication with a server in a communication network is proposed. The user terminal may include a GUI configured to receive one or more user inputs and display data received from the server. The GUI may include a first screen configured to display a first instruction set for converting a private account to a group account and a second screen configured to display a group account information set received from the server. The user terminal may cause the server to generate the group account, control a first database of the server to store a second information set relating to the group account, generate a second virtual database of the server different from the first database, and copy the second information set stored in the first database and record the copied second information set in the second virtual database.