Abstract: Provided is an apparatus for preparing oligomer including: a reactor for carrying out oligomerization reaction by supplying a monomer stream and a solvent stream; and line 1 and line 2 which are separately provided in a lower side of the reactor, wherein line 1 includes a first level control valve and line 2 includes a second level control valve, and the reactor is periodically alternately operated in first operation mode and second operation mode, thereby switching a pipe through which the product is discharged, so that a plugging phenomenon of the pipe through which the product is discharged and the valve can be prevented.

Abstract: The present disclosure relates to an apparatus for preparing an oligomer, and more particularly, to an apparatus for preparing an oligomer including: a reactor including a gaseous area having a first gaseous reactant inlet provided at a lower portion thereof, and a reaction area in which a reaction medium reacts with the gaseous reactant above the gaseous area; a second gaseous reactant inlet provided on an inner wall of the reactor in the gaseous area and a third gaseous reactant inlet provided on an inner wall of the reactor facing the second gaseous reactant inlet; and a first injection nozzle connected to the second gaseous reactant inlet and a second injection nozzle connected to the third gaseous reactant inlet.

Abstract: An apparatus for preparing an oligomer including: a reactor supplied with a monomer stream and a solvent stream to perform an oligomerization reaction; a product discharge line provided on a lower portion of a side surface of the reactor; a washing liquid supply line connected to a first point of the product discharge line; and a washing liquid discharge line extending from a second point of the product discharge line, wherein the product discharge line includes a branch point at which the product discharge line is branched into two or more lines and a junction point at which the respective branched lines are joined, and the product discharge line includes pressure control devices provided in each of the two or more branched lines.

Abstract: Disclosed is a lighting apparatus and a method of manufacturing the same, which may improve an external appearance and marketability, the apparatus including a light transmissive lighting cover configured to transmit light through a first surface and a second surface thereof, and an LED module having an LED mounted on the second surface of the light transmissive lighting cover to emit light, wherein the light transmissive lighting cover includes a design pattern portion formed by the transmission of the light when the LED is turned on, a painted portion formed on the first surface of the light transmissive lighting cover, the painted surface being visible, in response to the LED being turned off, and a metal deposition surface formed on the painted portion.

Abstract: The present disclosure relates to an apparatus for preparing an oligomer, the apparatus including: a reactor for oligomerizing a feed stream containing a fed monomer; a stirrer inserted into a hole formed in an upper portion of the reactor; and a solvent transfer line extending inward from a side of the reactor, wherein the stirrer includes a rotating shaft vertically extending downward from the upper portion of the reactor, and a blade having a conical shape whose vertex is positioned at a lower end of the rotating shaft and outer diameter increases from a bottom toward a top, and the solvent transfer line has a plurality of spray nozzles formed in a direction toward the blade.

Abstract: The present disclosure provides a reactor cleaning apparatus including: a fixing part having a partial region inserted into a hole formed in an upper portion of a reactor to be coupled to the reactor and fixing a pipe; the pipe inserted into a hole formed in the fixing part, protruding downward from the fixing part, and having a length adjustable in a vertical direction; a spray nozzle provided at a lower end of the pipe; and a screener provided on a lower side surface of the pipe, and a reactor cleaning method using the same.

Abstract: The present disclosure provides an apparatus for preparing oligomer including: a reactor; a gas-liquid separator; a solvent transfer line; a second transfer line; a first spray nozzle unit; and a second spray nozzle unit. The apparatus is capable of improving stability of the entire process by including a first spray nozzle unit and a second spray nozzle unit in a reactor and thus preventing by-products containing polymer substances such as C20+ from being entrained with a desired product during a reaction.

Abstract: A polarizing plate and a display device including the polarizing plate are disclosed. The polarizing plate is suitable for OLED and contains a polarizer, a moisture barrier layer, and a retardation layer, which are sequentially laminated. The moisture barrier layer is disposed on the opposite side of the viewing side of the polarizer and has a water vapor transmission rate of 450 g/m2·24 hr or less. The retardation layer comprises a ?/4 retardation layer, and a display device comprising the same. The polarizing plate can be made thinner, prevent reverse curling, suppress migration of iodine in a polarizer to prevent corrosion of a metal electrode of a lower panel, facilitate post-treatment such as polarizer bleaching, and prevent retardation changes even in a high-humidity environment.

Abstract: Provided is an apparatus for preparing oligomer including: a reactor for carrying out oligomerization reaction by supplying a monomer stream and a solvent stream; and line 1 and line 2 which are separately provided in a lower side of the reactor, wherein line 1 includes a first level control valve and line 2 includes a second level control valve, and the reactor is periodically alternately operated in first operation mode and second operation mode, thereby switching a pipe through which the product is discharged, so that a plugging phenomenon of the pipe through which the product is discharged and the valve can be prevented.

Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media for associating an application that was pre-installed on a computer with a user account on an online store. A system configured to practice the method presents an application available for download, receives a request to download the application to a computing devices, determines that the application is a pre-installed application, presents an authorization prompt configured to request user authorization to link the application with a user account, receives the user authorization, generates a unique hardware identifier associated with the computing devices, determines that the application is linkable based upon the unique hardware identifier, and links the adoptable application with the user account when the adoptable application is linkable.

Abstract: An interior material of a vehicle includes: a fabric layer made of a tricoat fabric, a foam layer disposed on a lower surface of the fabric layer, and an antifouling layer disposed at least between an upper surface of the fabric layer or the fabric layer and the foam layer. The tricoat fabric includes a combination of at least one of a polyurethane yarn, a high-elongation polyester yarn, or a polyester yarn.

Abstract: An improved system and method for submitting, distributing and/or managing digital products with respect to a product distribution system are disclosed. The submission of digital products to the product distribution system can operate to electronically submit not only the digital products but also product information, developer information and distribution parameters. The product distribution system can present the digital products for distribution at an online product distribution site in accordance with the distribution parameters. The online product distribution site can present potential purchasers with product information and/or developer information prior to any purchase.

Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media for associating an application that was pre-installed on a computer with a user account on an online store. A system configured to practice the method presents an application available for download, receives a request to download the application to a computing devices, determines that the application is a pre-installed application, presents an authorization prompt configured to request user authorization to link the application with a user account, receives the user authorization, generates a unique hardware identifier associated with the computing devices, determines that the application is linkable based upon the unique hardware identifier, and links the adoptable application with the user account when the adoptable application is linkable.

Abstract: An improved system and method for submitting, distributing and/or managing digital products with respect to a product distribution system are disclosed. The submission of digital products to the product distribution system can operate to electronically submit not only the digital products but also product information, developer information and distribution parameters. The product distribution system can present the digital products for distribution at an online product distribution site in accordance with the distribution parameters. The online product distribution site can present potential purchasers with product information and/or developer information prior to any purchase.

Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media for associating an application that was pre-installed on a computer with a user account on an online store. A system configured to practice the method presents an application available for download, receives a request to download the application to a computing device, determines that the application is a pre-installed application, presents an authorization prompt configured to request user authorization to link the application with a user account, receives the user authorization, generates a unique hardware identifier associated with the computing device, determines that the application is linkable based upon the unique hardware identifier, and links the adoptable application with the user account when the adoptable application is linkable.

Abstract: Improved approaches to allow a portable electronic device to dynamically present location-specific information while the portable electronic device is at a predetermined location are disclosed. In one embodiment, the portable electronic device has a display that can display the location-specific information and has wireless capabilities for use in receiving the location-specific information from the server. The location-specific information can, for example, augment other information that is to be presented on the display. In one embodiment, the location-specific information can be information pertaining to a media item being played in an establishment, such as a store, where the portable electronic device is located.

Abstract: Disclosed herein are systems, methods, and non-transitory computer-readable storage media for associating an application that was pre-installed on a computer with a user account on an online store. A system configured to practice the method presents an application available for download, receives a request to download the application to a computing device, determines that the application is a pre-installed application, presents an authorization prompt configured to request user authorization to link the application with a user account, receives the user authorization, generates a unique hardware identifier associated with the computing device, determines that the application is linkable based upon the unique hardware identifier, and links the adoptable application with the user account when the adoptable application is linkable.

Abstract: Provided are a multi-selective polishing slurry composition and a semiconductor element production method using the same. A silicon film provided with element patterns is formed on the uppermost part of a substrate having a first region and a second region. The element pattern density on the first region is higher than the element pattern density on the second region. Formed in sequence on top of the element patterns are a first silicon oxide film, a silicon nitride film and a second silicon oxide film. The substrate is subjected to chemical-mechanical polishing until the silicon film is exposed, by using a polishing slurry composition containing a polishing agent, a silicon nitride film passivation agent and a silicon film passivation agent.

Abstract: The present invention relates to slurry for polishing crystalline phase-change materials and to a method for producing a phase-change device using the same. The slurry for polishing crystalline phase-change materials according to one embodiment of the present invention comprises an abrasive, an alkaline abrasive enhancer, an oxidizing agent having a standard reduction potential higher than that of perchlorates, and ultrapure water. In addition, the method for producing a phase-change device according to one embodiment of the present invention comprises the following steps: preparing a substrate; forming a crystalline phase-change material film on the substrate; and removing the phase-change material film through a chemical-mechanical polishing process using slurry for polishing phase-change materials, which comprises an abrasive, an alkaline abrasive enhancer, an oxidizing agent having a standard reduction potential higher than that of perchlorates, and ultrapure water.

Abstract: The present invention relates to a CMP slurry composition for polishing tungsten comprising a abrasive and a polishing chemical, wherein the abrasive comprises colloidal silica dispersed in ultra-pure water, and the polishing chemical comprises hydrogen peroxide, ammonium persulfate and iron nitrate. The slurry composition is not discolored and has good etching selectivity, so as to be applied to a CMP process.