Abstract: Provided are a zinc-base plated steel material comprising a base steel and a zinc-based plated layer and a post-treatment film, which are sequentially formed on the base steel. The post-treatment film comprises an oxide or oxide salt of at least one group A element selected from B, Al, V, and Fe and an organic compound, wherein the content of oxygen atoms in the post-treatment film is 50 atom % or more, and wherein when the mole number of oxygen atoms forming a covalent bond with hydrogen in the post-treatment film is a and the mole number of oxygen atoms not forming the covalent bond with hydrogen is b, a/b is 0.3 or greater; and a composition for forming the post-treatment film.

Abstract: Provided is a zinc-based plated steel sheet having a post-treated coating filmed thereon including: a steel sheet; a zinc plated layer formed on the steel sheet; and a post-treated coating formed on the plated layer, wherein the atomic ratio (O/M) of oxygen (O) to metals (M) contained in the post-treated coating is greater than 2 and less than 20, and a method for post-treating a zinc-based plated steel sheet. According to this, the zinc-based plated steel sheet having the post-treated coating formed thereon has the effects excellent in lubricity, weldability, adhesiveness, film-removing property and paintability. As the method of post-treating a zinc-based plated steel sheet of the present invention employs a simple coating method irrespective of the kind of plating layer, the process is simple and economical and the process operation cost is low.

Abstract: A method and apparatus for managing software are provided. The method includes decomposing a requirement input by a user into one or more capabilities using a capability class structure (CCS) corresponding to the requirement, creating a required capability profile corresponding to the requirement using a capability template corresponding to the capabilities, matching the required capability profile and an existing capability profile in a software unit catalogue, and assessing the existing capability profile matched with the required capability profile.

Abstract: Disclosed is a method of preparing a drilling fluid and lube base oil using biomass-derived fatty acid, including hydrogenating a fatty acid mixture derived from fat of biological origin so as to be converted into a fatty alcohol mixture, which is then dehydrated to give a C16 and C18 linear internal olefin mixture, which is then oligomerized to give olefinic lube base oil, followed by hydrofinishing to remove the olefin, yielding high-quality lube base oil (e.g. Group III or higher lube base oil). The C16 and C18 linear internal olefin mixture, which is a reaction intermediate, can be utilized as a high-quality drilling fluid.

Abstract: A polarizing plate includes a polarizer; a first retardation film formed on a lower surface of the polarizer and having an in-plane retardation (Ro) at a wavelength of about 550 nm of about 180 nm to about 220 nm; and a second retardation film formed on a lower surface of the first retardation film and having an in-plane retardation (Ro) at a wavelength of about 550 nm of about 50 nm to about 80 nm. The first and second retardation films have thickness direction retardations (Rth) of opposite signs at a wavelength of about 550 nm. An optical display includes the polarizing plate.

Abstract: A folder type polarizing film for OLEDs and a display device, the film including a polarizer; a transparent support attached to an upper surface of the polarizer, the transparent support being a cycloolefin polymer film; and a compensation film attached to a lower surface of the polarizer, the compensation film being a cycloolefin polymer having a phase difference of ?/4 relative to a polarization axis of the polarizer.

Abstract: A polarizing plate includes a polarizer, and a protective film on one side of the polarizer and including a reverse dispersion liquid crystal coating layer having ?/4 retardation. An optical display panel includes the polarizing plate. The polarizing plate has a depolarization function and allows for viewing of the display panel through polarizing sunglasses.

Abstract: Disclosed herein are a method for operating a relation server in a hybrid model and a system using the method. The method for operating a relation server includes generating, by the relation server, a capability set required to execute a command by analyzing the command, grouping, by the relation server, machines that are to execute the command, based on the generated capability set, capability parameters and status parameters of respective machines that are previously registered in the relation server or that are extractable by the relation server, and generating, by the relation server, relations using sub-relations formed by a machine group grouped by the relation server and a sub-relation server.

Abstract: Disclosed herein are a method for operating machines and a system using the method, which can manage relations required in order to execute commands. The method includes generating a capability set required to execute the command by analyzing the command, and determining whether to participate in a machine group to execute the commands based on the generated capability set and capability parameters and status parameters of the machine.

Abstract: Disclosed herein are a method for operating a relation server and a system using the method. The method for operating the relation server for managing relations between machines includes generating, by the relation server, a capability set required to execute a command by analyzing the command, and grouping, by the relation server, machines that are to execute the command, among the machines, based on the generated capability set, and capability parameters and status parameters of respective machines that have been previously registered in the relation server or that are extractable by the relation server.

Abstract: A polarizing plate includes a polarizer having absorption and transmission axes, a protective film on an upper surface of the polarizer, a half-wavelength (?/2) retardation film on a lower surface of the polarizer, an adhesive layer on a lower surface of the half-wavelength (?/2) retardation film, and a quarter-wavelength (?/4) retardation film on a lower surface of the adhesive layer. An absolute orthogonal b-coordinate value based on a CIELAB color coordinate system of the polarizing plate may be approximately 3 or less when the polarizing plate is stacked with a reference polarizing plate having a degree of polarization of at least 99.9% such that an angle between the absorption axis of the polarizer and an absorption axis of a polarizer of the reference polarizing plate or an angle between the transmission axis of the polarizer and a transmission axis of the polarizer of the reference polarizing plate is 90°.

Abstract: A polarizing plate includes a polarizer; a first retardation film formed on a lower surface of the polarizer and having an in-plane retardation (Ro) at a wavelength of about 550 nm of about 180 nm to about 220 nm; and a second retardation film formed on a lower surface of the first retardation film and having an in-plane retardation (Ro) at a wavelength of about 550 nm of about 50 nm to about 80 nm. The first and second retardation films have thickness direction retardations (Rth) of opposite signs at a wavelength of about 550 nm. An optical display includes the polarizing plate.

Abstract: Disclosed is a method of preparing a drilling fluid and lube base oil using biomass-derived fatty acid, including hydrogenating a fatty acid mixture derived from fat of biological origin so as to be converted into a fatty alcohol mixture, which is then dehydrated to give a C16 and C18 linear internal olefin mixture, which is then oligomerized to give olefinic lube base oil, followed by hydrofinishing to remove the olefin, yielding high-quality lube base oil (e.g. Group III or higher lube base oil). The C16 and C18 linear internal olefin mixture, which is a reaction intermediate, can be utilized as a high-quality drilling fluid.

Abstract: A chimney tray for a reactor, wherein a gas reactant and a liquid reactant are mixed in chimneys to improve the dispersion performance of the liquid reactant on the catalyst bed of a fixed bed reactor thereby increasing the contact efficiency between the liquid reactant and the catalyst depending on the uniformity of flow of the liquid reactant, resulting in increased reaction efficiency, and which includes a tray having a plurality of through-holes, and a plurality of chimneys perpendicularly inserted into the through-holes of the tray and having one or more outlets penetrating there through and facing each other, wherein each of the plurality of chimneys includes a conical lower end which is formed such that it extends from the lower surface of the tray to make an angle of 10˜40° with respect to the direction of the normal line of the tray.

Abstract: Disclosed is a method of manufacturing high quality lube base oil (Group III) from unconverted oil having various properties obtained in a variety of hydrocrackers using improved catalytic dewaxing and hydrofinishing, the method including producing unconverted oil of at least one kind in the same or different hydrocrackers; subjecting the unconverted oil to vacuum distillation; supplying all or part of the distillate fractions to a catalytic dewaxing reactor; supplying the dewaxed oil fraction to a hydrofinishing reactor; and stripping the hydrofinished light oil fraction, wherein make-up hydrogen is supplied upstream of the hydrofinishing reactor to increase hydrogen partial pressure, thereby enabling high quality base oil to be manufactured at high yield under optimal process conditions using unconverted oil produced by hydrocracking under various conditions.

Abstract: A polarizing plate includes a polarizer, and a protective film on one side of the polarizer and including a reverse dispersion liquid crystal coating layer having ?/4 retardation. An optical display panel includes the polarizing plate. The polarizing plate has a depolarization function and allows for viewing of the display panel through polarizing sunglasses.

Abstract: A polarizing plate includes a polarizer having absorption and transmission axes, a protective film on an upper surface of the polarizer, a half-wavelength (?/2) retardation film on a lower surface of the polarizer, an adhesive layer on a lower surface of the half-wavelength (?/2) retardation film, and a quarter-wavelength (?/4) retardation film on a lower surface of the adhesive layer. An absolute orthogonal b-coordinate value based on a CIELAB color coordinate system of the polarizing plate may be approximately 3 or less when the polarizing plate is stacked with a reference polarizing plate having a degree of polarization of at least 99.9% such that an angle between the absorption axis of the polarizer and an absorption axis of a polarizer of the reference polarizing plate or an angle between the transmission axis of the polarizer and a transmission axis of the polarizer of the reference polarizing plate is 90°.

Abstract: A polarizing plate includes a polarizer, a protective film on an upper surface of the polarizer, a half-wavelength (?/2) retardation film on a lower surface of the polarizer, an adhesive layer on a lower surface of the half-wavelength (?/2) retardation film, and a quarter-wavelength (?/4) retardation film on a lower surface of the adhesive layer. The half-wavelength (?/2) retardation film may have a refractive index n1, the quarter-wavelength (?/4) retardation film may have a refractive index n2, and the adhesive layer may have a refractive index n in the range of n1<n<n2 or n2<n<n1. An optical display apparatus may include the polarizing plate, and further a window on a top surface of the polarizing plate, a conductor on a bottom surface of the polarizing plate, an optical display device on a bottom surface of the conductor, and a substrate on a bottom surface of the optical display device.

Abstract: A technology for providing a service based on an electronic tag. A personalized service provider issues a new code that replaces a code recorded on an electronic tag which is attached to a product purchased by a purchaser, sets a privacy policy of the purchaser, authenticates the new code and purchaser information, and provides a service associated with the product in a limited manner according to the set privacy policy when a person who accesses the personalized service provider is not the purchaser of the product.

Abstract: A sensor node identification method by a first component of a first layer in a hierarchical sensor network includes: receiving a sensing request including sensor node identification information from a second component of a second layer prior to the first layer; modifying the sensor node identification information by removing an identifier of the first layer from the sensor node identification information when an identifier of the first layer matches an identifier of the first component among the sensor node identification information; and transmitting a sensing request including the modified sensor node identification information to a third component of a third layer subsequent to the first layer.