Abstract: Disclosed are an apparatus and method for extracting synchronization by acquiring a boundary between uplink and downlink signals in 5G networks. In an embodiment, the synchronization extracting apparatus may include a reference detector and a synchronization extractor. The reference detector detects a start position of a radio frame from a signal broadcasted by a base station. The synchronization extractor collects resource allocation information and extracts synchronization by acquiring a boundary between an uplink (UL) signal and a downlink (DL) signal from the resource allocation information, based on the start position of the radio frame. The resource allocation information indicates information about arrangement of the UL signal and the DL signal in the radio frame. Other embodiments are possible.

Abstract: The present invention provides intermediates useful for the synthesis of an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors; and processes for preparing the same. And also, the present invention provides novel intermediates useful for said process and processes for preparing the same.

Abstract: Provided are a hybrid metal sheet for magnetic shielding and a wireless power transmission module including the same. The hybrid metal sheet for magnetic shielding according to an embodiment of the present invention comprises: a first sheet layer made of a ribbon sheet of an amorphous alloy having a first width; and a plurality of second sheet layers stacked in multiple layers on one side of the first sheet layer, wherein the second sheet layer may be a sheet layer formed by arranging a plurality of divided sheets having a second width narrower than the first width and made of a ribbon sheet of a nano-crystal alloy on the same plane.

Abstract: A polymer electrolyte is provided, which includes a polymer including an ethylene oxide unit; and a lithium salt, wherein the terminal of the polymer is substituted with one to four functional groups selected from the group consisting of a nitrogen compound functional group and phosphorus compound functional group, and the terminal of the polymer and the one to four functional groups are linked by one selected from the group consisting of a C2 to C20 alkylene linker, a C2 to C20 ether linker, and a C2 to C20 amine linker. A method for preparing the same is also provided.

Abstract: The present disclosure provides a composition for preparing a vinyl chloride-based polymer, including a vinyl chloride-based first seed; a vinyl chloride-based second seed; an initiator composition including a water-soluble initiator and an oil-soluble initiator; a reducing agent; and a vinyl chloride-based monomer, wherein a metal catalyst is not included in the composition, and a method for preparing a vinyl chloride-based polymer using the same.

Abstract: A display device includes a substrate including a display area and a non-display area outside the display area, a plurality of pixels located in the display area, a driving circuit driving the pixels, and a pad portion located in the non-display area and electrically connected to the driving circuit through a plurality of outer wirings. The pad portion includes a plurality of pad wirings each electrically connected to corresponding ones of the outer wirings. The pad wirings includes a first pad wiring and a second pad wiring separated from each other. The first pad wiring includes a first electrode layer, an insulating layer on the first electrode, and a second electrode layer on the insulating layer in a stacking direction, the second electrode layer being connected to the first electrode layer. The second pad wiring includes the first electrode layer but not the second electrode layer.

Abstract: A solid polymer electrolyte and a method for preparing the solid polymer electrolyte are disclosed. More particularly, a solid polymer electrolyte including a multifunctional acrylate-based polymer, a C1 to C10 polyalkylene oxide, a flame-retardant polymer, a lithium salt, and a non-aqueous solvent, wherein the multifunctional acrylate-based polymer is cross-linked with the polyalkylene oxide to form semi-interpenetrating polymer networks (semi-IPN), and the flame-retardant polymer is present blended with the semi-interpenetrating polymer networks of the multifunctional acrylate-based polymer and the polyalkylene oxide, which shows high solid content and flame-retardant characteristics, and a method for preparing the same.

Abstract: The present invention provides an improved process for preparing an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors. And also, the present invention provides novel intermediates useful for said process and processes for preparing the same.

Abstract: The present invention provides a method for preparing a vinyl chloride-based polymer and a vinyl chloride-based polymer prepared thereby, the method comprising a step for performing suspension polymerization of a monomer for preparing a vinyl chloride-based polymer in the presence of a polymerization initiator, a dispersant, and water soluble cellulose ether, wherein the dispersant includes a mixture of two or more kinds of polyvinyl alcohol having different degrees of saponification, and the mole average degree of saponification of the polyvinyl mixture is from 76 mol % to 80 mol %, and the water soluble cellulose ether has a gel point of 60° C. to 90° C. and is added before the initiation of polymerization or at a time in which the polymerization conversion rate is 70% or less.

Abstract: The present invention provides a novel process for preparing an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors. And also, the present invention provides novel intermediates useful for said process and processes for preparing the same.

Abstract: A positive electrode material for lithium secondary batteries capable of easily doping vanadium oxide with molybdenum, and a method of manufacturing the same are disclosed. The method of manufacturing a positive electrode material for lithium secondary batteries includes (a) reacting vanadium oxide with a water-soluble molybdenum-based compound in the presence of a solvent; and (b) thermally treating the reaction product of (a).

Abstract: A method of measuring an interaction force includes: generating feature maps corresponding to a plurality of sequential images; generating pooling maps respectively corresponding to feature map groups including a predetermined number of feature maps among the feature maps; generating attention maps corresponding to the pooling maps; and sequentially receiving feature maps modified based on the attention maps and outputting interaction force information.

Abstract: An artificial intelligence system and a method for searching for an optimal model are provided. A method for searching for a learning mode of an artificial intelligence system includes receiving, by an operator included in a first node, first channels, deriving, by the operator included in the first node, first parameter weight indexes corresponding to weights of first parameters by calculating the first parameters corresponding to each of the received first channels with the received first channels, generating and outputting a second channel group by combining the first channel with the other channel, receiving, by an operator included in a second node, second channels included in the second channel group, and deriving, by the operator included in the second node, second parameter weight indexes corresponding to weights of second parameters by calculating the second parameters corresponding to the received second channels with the received second channels.

Abstract: Provided is a male cleanser including a skin conditioner, a solvent, a humectant, a viscosity increasing agent, a surfactant, a preservative, a chelating agent, and perfume, wherein the skin conditioner includes a Maca root extract, a natural extract, niacinamide, glyceryl acrylate/acrylic acid copolymer, hyaluronic acid, arginine, hydrolyzed collagen, sucrose distearate, hydrogenated lecithin, and dimethicone.

Abstract: The present invention provides a novel process for preparing an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors. And also, the present invention provides novel intermediates useful for said process and processes for preparing the same.

Abstract: The present invention relates to a method for preparing vinyl chloride-based polymers, which is provided to improve polymerization productivity. An initial stage polymerization temperature is raised, the temperature is then lowered at a certain cooling rate from the time when an initial target polymerization temperature until a polymerization reaction is completed, and thus, a vinyl chloride-based polymer with excellent physical properties may be prepared while reducing a polymerization time and improving polymerization productivity even without additionally installing a polymerization reactor and heat removal equipment.

Abstract: Provided is a soothing cream including a skin conditioner, a solvent, a humectant, a viscosity increasing agent, a surfactant, a preservative, a chelating agent, and perfume, in which the skin conditioner includes a Maca root extract, a natural extract, niacinamide, glyceryl acrylate/acrylic acid copolymer, hyaluronic acid, arginine, hydrolyzed collagen, sucrose distearate, hydrogenated lecithin, and dimethicone.

Abstract: The present invention provides an improved process for preparing an aminopyrimidine derivative or pharmaceutically acceptable salt thereof having a selective inhibitory activity against protein kinases, especially against the protein kinases for mutant epidermal growth factor receptors. And also, the present invention provides novel intermediates useful for said process and processes for preparing the same.

Abstract: The present invention relates to a method of preparing a vinyl chloride-based polymer, and more specifically, to a method comprising the steps of, (S1) preparing a mixture in which a first protective colloid auxiliary agent and a chain regulator are mixed; (S2) preparing a second protective colloid auxiliary agent including the chain regulator activated by stirring the mixture prepared in step (S1); and (S3) performing polymerization by adding a vinyl chloride-based monomer and a polymerization initiator in the presence of the second protective colloid auxiliary agent prepared in step (S2).

Abstract: The present invention relates to an electrochemical device, more particularly to an electrochemical device including a first electrode, a second electrode spaced apart from the first electrode and an electrolyte filled between the first electrode and the second electrode, wherein the electrolyte comprises a salt form of a carbon quantum dot anion and a metal cation having an average diameter in the range of 2 to 12 nanometers (nm) and a surface potential of ?20 mV or less, the present invention provides an electrochemical device dramatically improving reliability, performance and durability by adopting an carbon quantum dot ion compound electrolyte having selective ion conductivity with a specific cation and suppressing side reactions caused by electrolyte as well as applicable in liquid, gel or solid phase.