Abstract: The present invention provides a method for preparing a supported metallocene catalyst, a supported metallocene catalyst prepared by the method, and a method for preparing a polyolefin using the supported metallocene catalyst. The supported metallocene catalyst according to the present invention contains catalyst components uniformly distributed deep into the whole porous carrier particles to secure a high catalytic activity and facilitates polymerization of polyolefins with high bulk density.

Abstract: The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerisation properties, and can produce olefinic polymers of high molecular weight. In particular, when the metallocene compound according to the present invention is employed, highly heat resistant block copolymers can be produced, and olefinic polymers can be produced which have a high melting point (Tm) even if the comonomer content is increased when producing the olefinic polymer.

Abstract: In case that a main component and an auxiliary component to be presented in synchronization with the main one have to be presented through data transmission between both devices, the present invention issues an action for setting access location information (e.g., URL) of at least one auxiliary component to a media renderer, wherein the action is different from an action for setting access location information of a main component. As a different way, the present invention sets access location information of at least one auxiliary component to a media renderer through an action including access location information of an auxiliary component as well as access location information of a main component.

Abstract: The present invention is to ensure security of a local network, e.g., a home network from remote access while allowing remote access. In a method of the present invention, if a device on the local network is to be accessed remotely, user identifying information (and/or device identifying information) and connection information of a target device, that are accompanied by the access, are compared with information of registered allowance entries and whether to allow the access is determined based on the comparison result. According to the method, remote access to a device invoked by a user (and/or a remote device) whose remote access is not set to allowance is blocked while remote access invoked by a user (and/or a remote device) whose remote access is set to allowance is admitted.

Abstract: The present invention relates to a preparation method of a metallocene catalyst. More particularly, the present invention relates to a preparation method of a supported hybrid metallocene catalyst, including the steps of treating a support having a water content of 4 to 7% by weight with trialkyl aluminum at a predetermined temperature; supporting alkyl aluminoxane on the support; and supporting a metallocene compound on the alkyl aluminoxane-supported support. According to the present invention, it is possible to prepare a supported hybrid metallocene catalyst which shows a high activity in the polymerization of olefins and enables the preparation of polyolefins having a high bulk density, by a simple process.

Abstract: A pyrene compound is provided. The pyrene compound is represented by Formula 1: wherein A1 and A2 are as defined in the specification. Further provided is an organic electroluminescent device using the pyrene compound. The organic electroluminescent device has high color purity of blue light and shows long life characteristics. Therefore, the organic electroluminescent device is suitable for use in displays and lighting systems.

Abstract: The present invention relates to a method for managing traffic transfer services on a network. One of the present methods determines priority reference ensuring to retrieve bandwidth greater than necessary bandwidth, if current available bandwidth is not sufficient for a new connection, and selected selects a combination of in-service connections whose priority is not higher than the determined priority reference such that the selected combination is able to return the necessary bandwidth and the number of connections in the selected combination is smallest as well. The connections pertaining to the selected combination are pre-empted to permit access of the new connection to the network.

Abstract: The present invention relates to a method for changing service quality of a content adaptively. In the present method, when allowance of access to a network is requested, whether transfer speed demanded by the request of access allowance can be provided is checked. If can not be provided, service quality of a connection being serviced is lowered. In the meantime, the present method monitors whether available bandwidth is generated, and upgrades service quality of a connection being serviced when available bandwidth is generated. The above operations can make a given network resource fully used.

Abstract: The present invention relates to a method to inhibit cancer by targeting CD24, more precisely a method to inhibit cancer by using CD24 expressed in most cancer cells as a target of an antibody therapeutic agent or by inhibiting the interaction between CD24 and P-selectin. CD24 is over-expressed in most cancer cells and CD24 accumulated in cytoplasm accelerates metastasis. Therefore, the method to inhibit cancer of the invention by targeting CD24 can be effectively used for the treatment of cancer by inhibiting the progress of various cancers over-expressing CD24.

Abstract: A method of forming a semiconductor device includes forming an interlayer insulating layer over the semiconductor substrate of a cell region, and forming gate structures over the semiconductor substrate of a peripheral region. Reserved bit line regions are formed in the cell region by etching the interlayer insulating layer, and gates are formed by etching the gate structures in the peripheral region. A capping insulating layer and an isolation layer are formed over the reserved bit line regions and the gates, the isolation layer of the cell region is removed, and an etch-back process is performed on the capping insulating layer, and bit lines are formed in the respective reserved bit line regions. Semiconductor device yields can be enhanced because patterns having a fine critical dimension can be formed in peripheral regions with an increased degree of integration.

Abstract: The present invention provides a method for preparing a supported metallocene catalyst, a supported metallocene catalyst prepared by the method, and a method for preparing a polyolefin using the supported metallocene catalyst. The supported metallocene catalyst according to the present invention contains catalyst components uniformly distributed deep into the whole porous carrier particles to secure a high catalytic activity and facilitates polymerization of polyolefins with high bulk density.

Abstract: A method for manufacturing a semiconductor device comprises performing an exposing and developing process using an exposure mask including shading patterns and assistant patterns arranged in parallel to the shading patterns to prevent a scum phenomenon generated when a main pattern is formed in a cell region over a semiconductor substrate, thereby improving characteristics, reliability and yield of the semiconductor device. As a result, the method enables high-integration of the semiconductor device.

Abstract: The present invention relates to a catalytic composition for producing a 1-alkene-acrylate copolymer that includes a metal nano catalyst, and a method for producing a 1-alkene-acrylate copolymer. In the catalytic composition for producing a 1-alkene-acrylate copolymer, since the content of the polar comonomer is high, it may be used to produce the 1-alkene-acrylate copolymer that has no crystallinity and is capable of being used as an optical material. The method for producing the 1-alkene-acrylate copolymer may be produced by using a simple process of a mild polymerization condition without a polymerization condition of high temperature and high pressure, and it is easy to control physical properties.

Abstract: A method for processing optical proximity correction is disclosed which eliminates a need for repeated implementation of experiments and result in a reducing the processing time as compared to trial and error. Furthermore, the method can realize an optimal insertion of the assist pattern by applying different conditions to specific layers. The method includes determining whether or not to insert an assist pattern around an outermost pattern. A shape of the assist pattern inserted around the outermost pattern is determined. The contrast of the outermost pattern is compared against a contrast of a cell array pattern. The contrast of the outermost pattern is repeated compared with the contrast of the cell array pattern under a defocus state.

Abstract: The present invention relates to a method for changing service quality of a content adaptively. When service quality updating action for a connection is received the present method invokes an action, used for requesting allowance of a new access to a network, to a device conducting traffic transfer services in order that service quality of the connection may be changed. The invoked action carries input arguments including traffic descriptor of the connection, carried by the service quality updating action, which a traffic handle for identifying the traffic descriptor uniquely has been allocated in.

Abstract: A method for manufacturing a semiconductor device comprises performing an exposing and developing process using an exposure mask including shading patterns and assistant patterns arranged in parallel to the shading patterns to prevent a scum phenomenon generated when a main pattern is formed in a cell region over a semiconductor substrate, thereby improving characteristics, reliability and yield of the semiconductor device. As a result, the method enables high-integration of the semiconductor device.

Abstract: A method for manufacturing a semiconductor device comprises performing an exposing and developing process using an exposure mask including shading patterns and assistant patterns arranged in parallel to the shading patterns to prevent a scum phenomenon generated when a main pattern is formed in a cell region over a semiconductor substrate, thereby improving characteristics, reliability and yield of the semiconductor device. As a result, the method enables high-integration of the semiconductor device.

Abstract: In case that a main component and an auxiliary component to be presented in synchronization with the main one have to be presented through data transmission between both devices, the present invention issues connection preparation actions to the both devices respectively for each of a main component and at least one auxiliary component associated with the main component, issues actions to set access location (e.g., URL) of each of the components (the main component and the at least one auxiliary component) to at least one of the both devices, and issues play actions for each component to at least one of the both devices.

Abstract: The present invention relates to a method for changing service quality of a content adaptively. In the present method, when allowance of access to a network is requested, whether transfer speed demanded by the request of access allowance can be provided is checked. If can not be provided, service quality of a connection being serviced is lowered. In the meantime, the present method monitors whether available bandwidth is generated, and upgrades service quality of a connection being serviced when available bandwidth is generated. The above operations can make a given network resource fully used.

Abstract: The present invention relates to a method for changing service quality of a content adaptively. In the present method, when allowance of access to a network is requested, whether transfer speed demanded by the request of access allowance can be provided is checked. If can not be provided, service quality of a connection being serviced is lowered. In the meantime, the present method monitors whether available bandwidth is generated, and upgrades service quality of a connection being serviced when available bandwidth is generated. The above operations can make a given network resource fully used.