Abstract: The present invention relates to a method for producing astrocytes comprising obtaining neural progenitor cells from stem cells so as to continuously produce astrocytes with high purity and same traits, followed by two steps of differentiating the neural progenitor cells into the astrocytes, and astrocytes produced therefrom. Since the method of preparing the astrocytes provided in the present invention enables not only production of the astrocytes with high purity and faster production of the astrocytes with same characteristics, but also rapid differentiation of the astrocytes using the neural progenitor cells when necessary, it can be widely used for effectively treating a patient with a disease which requires transplantation of the astrocytes.

Abstract: The present invention relates to a method for producing cholinergic neurons comprising obtaining neural progenitor cells from stem cells so as to continuously produce cholinergic neural cells with high purity and the same traits, followed by differentiating the neural progenitor cells into the cholinergic neurons, and cholinergic neurons produced therefrom. Since the method of preparing the cholinergic neurons provided in the present invention enables not only production of the cholinergic neurons with high purity, but also rapid production of the cholinergic neurons with the same traits, it can be widely used for effectively treating degenerative cranial nerve diseases such as Alzheimer's disease.

Abstract: According to one embodiment, a magnetoresistive memory device includes an electrode, a first layer which is provided on the electrode and includes an amorphous portion in at least a part of an electrode side, and a magnetoresisive element provided on the first layer.

Abstract: An electronic device is provided to include a semiconductor memory that includes: a substrate including a first region and a second region different from the first region; an interlayer dielectric layer formed over the substrate; a first conductive pattern located over the first region and formed in the interlayer dielectric layer, the first conductive pattern including a planarized top surface with a top surface of the interlayer dielectric layer; a second conductive pattern located over the second region and formed in the interlayer dielectric layer, the second conductive pattern including at least a portion recessed below a top surface of the interlayer dielectric layer; a variable resistance pattern formed over the interlayer dielectric layer the variable resistance pattern having a bottom surface coupled to the first conductive pattern and exhibiting different resistance values; and a capping layer pattern formed over the variable resistance pattern.

Abstract: Provided are electronic device including a variable resistance element and a method for fabricating an electronic device including a variable resistance element. The electronic device including a variable resistance element includes a free layer formed over a substrate and having a changeable magnetization direction, a pinned layer having a pinned magnetization direction, a tunnel barrier layer interposed between the free layer and the pinned layer, and a magnetic correction layer suitable for reducing the influence of a stray field generated by the pinned layer. The method may include cooling the substrate, before forming the magnetic correction layer such that the magnetic correction layer is formed over the cooled substrate.

Abstract: Disclosed is a multiple alternating current generator comprising: a rotating shaft; a plurality of rotators coupled about the rotating shaft so as to be able to rotate together with the rotating shaft; a plurality of stators formed in cylindrical-shapes so as to surround the rotors, a plurality of coil winding units being formed on the inner peripheral surfaces of the stators such that coils are wound, respectively, and the outer peripheral surfaces of the stators being coupled to a housing; a housing of a cylindrical shape comprising a plurality of stator coupling grooves, in which the plurality of stators can be arranged, and intermediate support unit grooves, on which a plurality of intermediate support units can be arranged; and intermediate support units, which are coupled to the intermediate support unit grooves, and which have bearings for supporting the rotating shaft between the plurality of rotors.

Abstract: This technology provides an electronic device. An electronic device in accordance with an implementation of this document may include a semiconductor memory, and the semiconductor memory may include: an under layer including a plurality of material layers having a different crystal structures; a first magnetic layer formed over the under layer and having a variable magnetization direction; a tunnel barrier layer formed over the first magnetic layer; and a second magnetic layer formed over the tunnel barrier layer and having a pinned magnetization direction.

Abstract: Disclosed are an electronic device comprising a semiconductor memory. The semiconductor memory includes a variable resistance element including a free layer having a variable magnetization direction; a pinned layer having a fixed magnetization direction; and a tunnel barrier layer interposed between the free layer and the pinned layer, wherein the free layer includes: a first free layer adjacent to the tunnel barrier layer and having a perpendicular magnetic anisotropy at an interface with the tunnel barrier layer; and a second free layer spaced apart from the tunnel barrier layer by the first free layer and having a saturation magnetization lower than a saturation magnetization of the first free layer.

Abstract: Provided are an energy storage system case and an energy storage system including the same. An energy storage system case includes: a body unit including a battery accommodating unit configured to accommodate a plurality of batteries, and a control module mounting unit on both sides of which control modules are configured to be mounted to control charge/discharge of a plurality of batteries; a casing cover coupled to the body unit; and a heat-dissipation unit located opposite the casing cover and coupled to the control module mounting unit to dissipate heat generated by a first control module among the control modules to an outside thereof.

Abstract: A communication device and a method of controlling the same. The communication device includes at least one receiver configured to connect to a first antenna for receiving a first signal and a second antenna for receiving a second signal; and a processor electrically coupled to the at least one receiver, wherein the processor is configured to measure received signal strengths of the first signal and the second signal based on calibration operation for the first antenna and the second antenna, select one of the first antenna and the second antenna based on the measured received signal strengths, and control the at least one receiver to receive a signal through the selected one of the first antenna and the second antenna.

Abstract: The present invention relates to an antioxidant cosmetic composition, and more particularly to an antioxidant cosmetic composition containing, as an active ingredient, either an extract of at least one of Chrysanthemum indicum and Citrus unshiu peel, processed using a medicinal herb processing technique, or a mixture of said extract and an extract of at least one of unprocessed Chrysanthemum indicum and Citrus unshiu peel.

Abstract: Disclosed is a method for preparing polysaccharides of green tea, and more particularly to a method for preparing polysaccharides of green tea comprising the steps of: a) removing chlorophyll and a low molecular weight polyphenol from green tea powder using a solvent; b) hot-water extracting a water-soluble active ingredient from the green tea residue of step a); and c) separating the polysaccharides of green tea from the hot-water extract of step b) by ultrafiltration and ethanol precipitation. Also, the present invention relates to a cosmetic composition for skin whitening, moisturization and anti-wrinkle effects comprising the polysaccharides of green tea as an effective ingredient.

Abstract: A promoter, which may be used to transform a plant and/or express a gene substantially uniformly in substantially all organs and/or tissues of a plant, and which may include a constitutive expression promoter for transforming a monocot plant. A vector including a promoter, which may include a recombinant plant expression vector. A method of producing a target protein using a vector, and a method of producing a transformed cell and/or plant using a vector. A transformed plant, a transformed seed and a transformed cell are included, which may be formed by the method of producing the same using a vector.

Abstract: This technology provides an electronic device. An electronic device in accordance with an implementation of this document may include a semiconductor memory, and the semiconductor memory may include: an under layer including a plurality of material layers having a different crystal structures; a first magnetic layer formed over the under layer and having a variable magnetization direction; a tunnel barrier layer formed over the first magnetic layer; and a second magnetic layer formed over the tunnel barrier layer and having a pinned magnetization direction.

Abstract: The present invention relates to an apparatus that reduces loads of piles of coals that are input from a fixed quantity coal supplier via a pulverizer to a multi-stage dryer and are transferred, and uniformly disperses and flattens the piles of the coals, thereby improving drying efficiency, in the multi-stage dryer that dries coals using reheat steam, wherein coals that are primarily dried by the first coal dryer are input into the second coal dryer to be secondarily dried, the apparatus including: a column-shaped body that is installed on surfaces of the plurality of first transfer plates and second transfer plates, which faces an upper side, at a specific interval; a division boss that protrudes from a central portion of a front surface of the body to divide and disperse a central portion of piles of coals input from a fixed quantity coal supplier onto the surfaces of the first transfer plates and the second transfer plates, which face an upper side, into left and right parts; and a pair of fixing members

Abstract: The present invention relates to an apparatus for preventing, in a multi-stage dryer for drying coal using reheat steam, spontaneous ignition caused by oxidation of coal when coal is transferred to the multi-stage dryer from a fixed quantity coal supplier by way of a pulverizer.

Abstract: The present invention relates to a system for drying coal using reheat steam, and more particularly, to an apparatus for enhancing drying efficiency by adjusting reheat steam to be injected to coal input and transferred onto a transfer device at predetermined pressure in a multi-stage dryer drying the coal by using reheat steam and in the apparatus for adjusting steam pressure in a system for drying coal using reheat steam, a steam supply pipe supplying the reheat steam generated by a reheater is connected to one side of each of the first steam chamber, the second steam chamber, the third steam chamber, and the fourth steam chamber and a first steam distribution perforated plate with a plurality of steam injection holes is coupled to and installed in the inner upper part of each of the first steam chamber, the second steam chamber, the third steam chamber, and the fourth steam chamber to inject the reheat steam at uniform pressure through the first steam injection holes.

Abstract: The present invention relates to a coal supply device for reducing dust of coal input for dry and supplying dispersing and supplying the coal in a system for drying coal using reheat steam, and more particularly, to a device to minimize dust when the coal is supplied to a multi-stage dryer from a coal constant feeder through a pulverizer in a multi-stage dryer for drying coal using reheat steam and disperse and supply the coal to a transfer device and a coal drying system in which coal which is primarily dried in the first coal dryer is inputted into the second coal dryer and thus is secondarily dried, includes a coal constant feeder supplying a predetermined amount of coal onto the upward surface of the first transfer plate; and a dust reducer constituted by an inlet pipe coupled to an outlet of the coal constant feeder by a bearing, a worm wheel coupled onto the outer periphery of the inlet pipe, a worm gear-coupled with the worm wheel and rotating with rotary force transferred from a motor, a curved pipe o

Abstract: The present disclosure relates to a porous polishing pad including pores formed by a reaction between a prepolymer and a saccharide material, and a method of preparing the porous polishing pad.

Abstract: The present invention relates to to an IEC 61850 information-based agent system for intelligent system management by a digital substation and an operation method therefor. To this end, an operating system-side agent device for sharing switch information, which is used in automatic recovery of a digital substation, between an operating system and an intelligent electronic device (IED) in the digital substation, the device including: a request unit requesting the switch information from an intelligent electronic device-side agent device mounted in the intelligent electronic device (IED); and a communication unit receiving the switch information from the intelligent electronic device-side agent device, the switch information being collected by the intelligent electronic device-side agent device, wherein the operating system-side agent device is provided as a module, and is mounted in the operating system.