Abstract: An olefin polymer capable of simultaneously satisfying excellent drop impact strength and transparency, a preparation method of the same, and a film using the same, can be provided. In an embodiment, an olefin polymer comprises a plurality of polymer chains, and satisfies the following conditions: i) each polymer chain of the plurality having an average number of short chain branches (SCBs) per 1000 carbon atoms of 20/1000C or more, wherein an SCB has C2 to C7 carbon atoms, ii) a molded film of the olefin polymer having a drop impact strength of 1500 g to 2400 g as measured in accordance with ASTM D1709A, wherein the molded film having a thickness of 100 ?m, and iii) a molded film of the olefin polymer having a haze is 10% to 30% as measured in accordance with ASTM D1003, wherein the molded film having a thickness of 0.05 mm.

Abstract: The present invention relates to an online/offline market management server using a near-field communication (NFC) tag. The online/offline marketing management server using an NFC tag according to an embodiment of the present invention includes a communication unit configured to communicate with a user terminal, an near-field communication tag managing unit configured to manage NFC tag information formed at a business site; a reward means managing unit configured to accumulate a reward means, such as points or a coupon, on an account of the user terminal or manage the reward means to be used when the NFC tag is recognized from the user terminal; and a route guiding unit configured to acquire a user's consumption pattern according to time and region from the user terminal and display at least one activity route on an electronic map to provide a schedule by which reward means of a plurality of business sites can be accumulated or used.

Abstract: The present invention provides a metallocene supported catalyst that can prepare a polyolefin having excellent transparency even when processed into a film, as well as excellent processibility and mechanical properties, with high catalytic activity, and a method for preparing a polyolefin using the same.

Abstract: A leaf spring assembly for an automobile storage compartment has a hook, a leaf spring, and a spring guide. The hook is coupled to an operating plate. One end portion of the leaf spring is fixedly coupled to the hook. The spring guide is fixedly coupled to a non-operating housing in the state where the other side portion of the leaf spring is coupled to the spring guide so as to elastically deform while being drawn in and out.

Abstract: A method of enabling a point of sale (POS) device to perform a transaction is described. The method comprises initiating, by an electronic device, the transaction with the POS terminal; analyzing images of the POS terminal captured by a camera of the electronic device; and identifying the POS terminal based upon the images.

Abstract: A light emitting device of an embodiment includes a body including a black epoxy molding compound (EMC) including carbon black; first and second lead frames electrically separated from each other by the body; a light emitting device disposed above at least one of the first or second lead frame; and a molding member disposed above the body and the first and second lead frames so as to surround the light emitting device.

Abstract: The present invention provides a catalyst composition including a functionalizing agent of the following Formula 1 together with a rare earth metal compound, an alkylating agent, and a halogen compound, having good catalytic activity and polymerization reactivity and useful for the preparation of a conjugated diene-based polymer having high linearity and excellent processability, and a conjugated diene-based polymer prepared using the catalyst composition. (X1)a—N—(X2)3-a??[Formula 1] In Formula 1, a, X1, and X2 are the same as defined in the disclosure.

Abstract: The present invention relates to a modifier represented by Formula 1, a modified conjugated diene-based polymer having a high modification ratio which includes a modifier-derived functional group, and a method of preparing the polymer.

Abstract: The present disclosure provides a supported hybrid catalyst which facilitates the preparation of polyolefins having improved bubble stability and exhibiting excellent processability for a blown film while maintaining high transparent haze and improved melt strength, and a method for preparing the same.

Abstract: An interference removal method in a multi-node system is provided. A user equipment (UE) receives node information from a base station, a first signal from a first node, and a second signal from a second node. The first signal and the second signal are used to remove an interference. The node information includes configuration information related to the first signal and the second signal. The configuration information includes information related to at least one of a number of antenna ports of the first node and the second node, a number of data streams, and a node identifier (ID). A pattern of the first signal or the second signal is determined according to at least one of the number of antenna ports of the first node and the second node, the number of data streams, and the node ID.

Abstract: Provided herein may be a pick-up roller with a front-edge alignment element and a media separation apparatus using the pick-up roller. The pick-up roller may include a pick-up element configured to pick up and transfer a media sheet, and the front-edge alignment element provided at a position opposite to the pick-up element. During a process of picking up a stacked media sheet and transferring it into a space between a feed roller and a separation roller unit, the front-edge alignment element may align in advance a front edge of a media sheet disposed subsequent to the medial sheet that is being transferred, to a position of the entrance between the feed roller and the separation roller unit, and thereafter, the pick-up element may pick up the media sheet aligned by the front-edge alignment element and transfer it into the space between the feed roller and the separation roller unit.

Abstract: The present disclosure provides an olefin polymer having excellent film processability and physical properties, and a preparation method of the same.

Abstract: A memory device includes a memory cell array formed in a semiconductor die, the memory cell array including a plurality of memory cells to store data and a calculation circuit formed in the semiconductor die. The calculation circuit performs calculations based on broadcast data and internal data and omits the calculations with respect to invalid data and performs the calculations with respect to valid data based on index data in a skip calculation mode, where the broadcast data are provided from outside the semiconductor die, the internal data are read from the memory cell array, and the index data indicates whether the internal data are the valid data or the invalid data. Power consumption is reduced by omitting the calculations and the read operation with respect to the invalid data through the skip calculation mode based on the index data.

Abstract: A method of utilizing a background image of a portable terminal, and a portable terminal for implementing the method, are provided. The method includes displaying the background image, determining whether an input event is detected in the displayed background image, identifying a coordinate of an area in which the input event is detected upon detection of the input event, determining whether there exists a function mapped to the identified coordinate, and performing the function if there exists the function mapped to the identified coordinate.

Abstract: Provided is a substrate supporting apparatus including: a mounting part provided with a first body brought into contact with a substrate so that the substrate is mounted thereon and a second body configured to surround the first body; and a support part connected under the mounting part so as to support the mounting part, wherein the first body and the second body include a plurality of protrusions, and an area of upper surfaces of the protrusions provided on the first body is formed larger than an area of upper surfaces of the protrusions provided on the second body, and thus, the substrate can be stably supported.

Abstract: The present invention provides an olefin polymer in which LCB (long chain branch) is introduced into mLLDPE (metallocene linear low-density polyethylene) to control the storage modulus, whereby the olefin polymer has excellent bubble stability and processing load characteristics and exhibits excellent processability during preparation of a film, and further has excellent mechanical properties and transparency.

Abstract: The high efficiency supercritical carbon dioxide power generation system and the method therefor according to the present invention comprises: a hydrogen separation unit for receiving a gaseous fuel and separating the same into carbon monoxide and hydrogen; a combustion processing unit for receiving carbon monoxide and non-condensing gas discharged from the hydrogen separation unit to generate combustion gas; a carbon dioxide high purity unit for separating carbon dioxide from the combustion gas discharged from the combustion processing unit; a compression unit for pressurizing the carbon dioxide discharged from the carbon dioxide high purity unit; and a turbine unit for receiving the pressurized carbon dioxide from the compression unit to generate electricity, wherein the carbon dioxide discharged from the turbine unit may be supplied to the combustion processing unit again.

Abstract: The present disclosure provides a polyolefin-based film including an olefin polymer which is controlled in the content of the branched polymer structure in the polymer and the weight average molecular weight of the main chain in the structure to exhibit excellent processability and transparency. Therefore, the polyolefin-based film not only exhibits high transparency independent of processing conditions, but also reduces the increase in film haze even when the thickness of the film increases.

Abstract: A method is provided for receiving a downlink control channel in a wireless communication system. A user equipment performs a blind decoding in a first search space on the cell to find a first Physical Downlink Control Channel (PDCCH). The user equipment receives a Radio Resource Control (RRC) message including information on a second search space for monitoring a second PDCCH and identity information, and performs a blind decoding in the second search space on the cell to find the second PDCCH. The first PDCCH is demodulated based on a physical cell identity of the cell, and the second PDCCH is demodulated based on the identity information instead of the physical cell identity.

Abstract: A method of transmitting data in a wireless communication system is provided. The method includes generating duplicate data by using repetition coding, the duplicate data being the same as original data, shifting the phase of the duplicate data, and transmitting the original data and the phase-shifted duplicate data. The duplicate data is mapped to a modulation symbol having a different size or phase as that of the original data, thus to reduce the PAPR unlike the general repetition coding.