Abstract: Provided are a clustering method using broadcast content and broadcast related data and a user terminal to perform the method, the clustering method including creating a story graph with respect to each of a plurality of scenes associated with broadcast content based on the broadcast content and broadcast related data, and creating a cluster of a scene based on the created story graph.

Abstract: N-substituted 3,3-dinitroazetidine, represented by the following Chemical Formula I, as an energetic plasticizer, and a method for preparing the same through a coupling reaction in which the energetic material 3,3-dinitroazetidine or an acid salt thereof serves as a nucleophile for the ?,?-unsaturated carbonyl compound as a substrate are provided. wherein R1 and R2 are each independently alkyl, substituted alkyl, aryl, substituted aryl, arylalkyl, substituted arylalkyl, heteroaryl, substituted heteroaryl, heteroarylalkyl, substituted heteroarylalkyl, hydroxy, nitro, or a halogen atom, wherein the substituent of the substituted radicals is selected from the group consisting of alkyl, cycloalkyl, aryl, heteroaryl, alkoxy, thioalkyl, amino, nitro, hydroxy, a halogen atom, and a combination thereof.

Abstract: A hard coating film satisfies the static frictional coefficient of 0.4 or less between an upper surface of a hard coating layer and a back surface of a substrate film, such that it is possible to achieve the hard coating film capable of suppressing a protrusion damage and having excellent anti-blocking properties while providing excellent transparency and hardness, as well as a polarizing plate including the hard coating film, and an image display device including the polarizing plate.

Abstract: This invention relates to a gem-dinitro ester energetic material represented by Chemical Formula 1 below, which is synthesized using esterification, and to a preparation method thereof: wherein R is a C5˜C15 substituted or unsubstituted linear or branched alkyl group.

Abstract: Provided is a gem-dinitro ester compound, represented by Formula 1 below: wherein R is a substituted or unsubstituted straight-chain or side-chain alkyl group of C2˜C12.

Abstract: This invention relates to a gem-dinitro ester energetic material represented by Chemical Formula 1 below, which is synthesized using esterification, and to a preparation method thereof: wherein R is a C5˜C15 substituted or unsubstituted linear or branched alkyl group.

Abstract: The pharmaceutical composition of the present invention, which comprises spinosin or a spinosin-containing herbal extract, is a composition for preventing and treating cognitive function disorders, and can effectively improve memory and learning ability, and effectively treat and prevent cognitive function disorders such as dementia and amnesia.

Abstract: An apparatus and method for interworking between a plurality of app store servers to share app information therebetween, which enables conventional app store servers to access app information of apps registered with each app store server through one app store server based on an open service interface.

Abstract: Provided is a method for a poly(GAP-co-THF)diol prepolymer in which THF monomer units are copolymerized to GAP, having high difunctionality, a reduced amount of cyclic oligomer side products having a small molecular weight, a wide copolymer composition and controlled molecular weight. The resulted poly(GAP-co-THF)diol prepolymer according to the present invention is used as a binder for a high-energy PBX or composite propellant, specifically used as a binder in the preparation of polyurethane having excellent mechanical properties.

Abstract: A portable terminal and a method for providing network contents using the portable terminal are provided. The portable terminal receives contents from a network, uses information related to a destination and a pre-stored map data to search for a travel route from a start point to the destination, determines an estimated time for a user to reach the destination from the start point, and outputs travel guide information to guide the user along the travel route while outputting contents having a reproduction time corresponding to the estimated time.

Abstract: An integrated app store device according to the present invention includes an authentication server performing registration and authentication on a client terminal, a content managing server performing one of registration, search, and download of an application, a web application server providing a web front for a user, and an interworking server providing an open API (Application Programming Interface) for an external app store to access. Accordingly, functions of an app store are defined in the form of a standard-based common interface (Open API) and various terminals and platform environments are supported, thus providing an open-type app store model that may be efficiently expanded even when the type of user terminal and type of service or business environment are varied.

Abstract: Provided is a method for a poly(GAP-co-THF)diol prepolymer in which THF monomer units are copolymerized to GAP, having high difunctionality, a reduced amount of cyclic oligomer side products having a small molecular weight, a wide copolymer composition and controlled molecular weight. The resulted poly(GAP-co-THF)diol prepolymer according to the present invention is used as a binder for a high-energy PBX or composite propellant, specifically used as a binder in the preparation of polyurethane having excellent mechanical properties.

Abstract: Provided is a gem-dinitro ester compound, represented by Formula 1 below: wherein R is a substituted or unsubstituted straight-chain or side-chain alkyl group of C2˜C12.

Abstract: An application search apparatus is provided, the apparatus including an input unit to receive a search word from a user, and generate a query word based on the received search word, a controller to provide an integrated result of searching a plurality of app stores for an application corresponding to the query word, and a storage unit to categorize an application provided by the plurality of app stores, and download and store the application provided by the plurality of app stores.

Abstract: According to the present invention, unstable hydrogen of 4,4?,5,5?-tetranitro-2,2?-biimidazole, which is a promising material for insensitive high-performance molecular explosives, may be stabilized by aminoguanidium to provide di(aminoguanidium) 4,4?,5,5?-tetranitro-2,2?-biimidazole, thereby solving the hygroscopicity of 4,4?,5,5?-tetranitro-2,2?-biimidazole, and enhancing performance and insensitivity thereof.

Abstract: Provided is an apparatus for providing a personalized home screen, and the apparatus includes a user identification unit configured to receive user identification information comprising login information and biometric information of a user; and a home screen processing unit configured to identify the user by comprising the received user identification information with a collection of user personal information of multiple users and searching for user personal information corresponding to the received user identification information, and to display a personalized home screen based on the user personalization information of the identified user.

Abstract: Provided are hexaaza[3.3.3]propellane compounds represented by the following formula (I), which can be used as a main skeleton structure for novel molecular explosives and method for preparing the same: wherein, R is H, C1-C20 alkyl, cycloalkyl, arylalkyl or aryl, which may contain heteroatoms such as oxygen, nitrogen, sulfur, halogen, etc. or unsaturations; and X is H2, O or S.

Abstract: According to the present invention, unstable hydrogen of 4,4?,5,5?-tetranitro-2,2?-biimidazole, which is a promising material for insensitive high-performance molecular explosives, may be stabilized by aminoguanidium to provide di(aminoguanidium) 4,4?,5,5?-tetranitro-2,2?-biimidazole, thereby solving the hygroscopicity of 4,4?,5,5?-tetranitro-2,2?-biimidazole, and enhancing performance and insensitivity thereof.

Abstract: The present invention provides a method for preparing 2,4-dinitroimidazole, wherein separation of 1,4-donitroimidazole in powder form is avoided so that it is possible to eliminate allergy problems in workers and simplify the process, thereby improving process economy.

Abstract: The present invention provides a method for preparing 2,4-dinitroimidazole, wherein separation of 1,4-donitroimidazole in powder form is avoided so that it is possible to eliminate allergy problems in workers and simplify the process, thereby improving process economy.