Abstract: Disclosed are an in-vessel control rod drive mechanism and a nuclear reactor with the same. The in-vessel control rod drive mechanism includes a control rod drive mechanism for regulating and a control rod drive mechanism for shutdown provided at an upper or lower space of a reactor core to insert or withdraw a regulating rod and a shutdown rod into/from the reactor core based on an operation state of the nuclear reactor, wherein the control rod drive mechanism for regulating and the control rod drive mechanism for shutdown are alternately arranged in the vertical direction. Therefore, a space of containment can be minimized due to the installation of the in-vessel control rod drive mechanism, and thus a rod ejection accident can be prevented, and a loss-of-coolant accident can be reduced.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars.

Abstract: Virtual substrates made by hydride vapor phase epitaxy are provided comprising a semiconductor growth substrate and a substantially strain-relaxed metamorphic buffer layer (MBL) structure comprising one or more layers of a semiconductor alloy on the growth substrate. The MBL structure is compositionally graded such that its lattice constant transitions from a lattice constant at the interface with the growth substrate that is substantially the same as the lattice constant of the growth substrate to a lattice constant at a surface opposite the interface that is different from the lattice constant of the growth substrate. The virtual substrates comprise relatively thick MBL structures (e.g., >20 ?m) and relatively thick growth substrates (e.g., >0.5 mm).

Abstract: Disclosed is a control rod drive mechanism. More specifically, the control rod drive mechanism includes a guide member 100 disposed in a nuclear reactor to receiving a drive shaft 2; a latch assembly 200 disposed in the guide member 100 to enable the drive shaft 2 to be withdrawn and inserted; a supporting member 300 connected to the guide member 100 to cover the drive shaft 2 and to support the latch assembly 200; and a plurality of coil housings 400 spaced apart and connected to the guide member 100 to cover the latch assembly 200, and each having a coil 410 built therein.

Abstract: The present invention provides Thermococcus onnurineus MC02 strain (accession no. KCTC12511BP) having increased hydrogen production ability, wherein the expression of rchA gene of the strain increases. Also, the present invention provides a method for producing the strain belonged to the genus Thermococcus having increased hydrogen production ability comprising, increasing the expression of rchA gene of the strain, and hydrogen production method using the strain.

Abstract: Provided are a network-based high performance SAP monitoring system and method, including a hardware engine selecting packets to be updated from input packets by performing session-based filtering and pattern matching on the input packets, identifying to which application protocol belongs among dynamic information and action gateway (DIAG) protocol, remote function call (RFC) protocol, and hypertext transfer protocol (HTTP) protocol, and adding identification information of the identified application protocol to the packet to be uploaded and a software engine including a DIAG processor processing the DIAG protocol, RFC processor processing the RFC protocol, and HTTP processor processing the HTTP protocol, when receiving the packet added with the identification information from the hardware engine, referring SAP application protocol identification information, extracting data transmitted and received between servers of an SAP client and one of the DIAG processor, RFC processor, and HTTP processor, thereby sort

Abstract: A display apparatus for and a method of providing to users additional information associated with a broadcasting signal that is being output via the display apparatus are provided. The display apparatus includes a communication unit configured to perform data communication, and a control unit configured to acquire a keyword from content being reproduced by the display apparatus, to acquire user preference information corresponding to a mobile terminal, to acquire a search result corresponding to the acquired keyword, to produce additional information based on the acquired search result and the acquired user preference information, and to provide the additional information to the mobile terminal via the communication unit.

Abstract: The present invention relates to a Thermococcus onnurineus NA1 mutant having an increased ability to produce hydrogen from formate and a method of producing hydrogen the same. The Thermococcus onnurineus NA1 mutant according to the invention has an increased ability to produce hydrogen in a formate-containing medium compared to wild-type Thermococcus onnurineus NA1 and shows an increase in growth rate compared to the wild-type. The use of the mutant strain according to the invention can produce hydrogen with high efficiency from formate.

Abstract: The present invention relates to an ethylene-based terpolymer having high elasticity and a preparation method thereof, and more particularly, to a highly elastic, ethylene-based terpolymer, which comprises a specific molar ratio of a ethylene unit, a C6-12 ?-olefin unit and at least one functional unit selected from the group consisting of divinylbenzene and para-methylstyrene and to a method of preparing the highly elastic, ethylene-based terpolymer using a metallocene catalyst.

Abstract: A heat protector mounted on a vehicle is provided. The heat protected includes a glass fiber that has a plate shape and includes aerogel immersed therein. Thin films are respectively bonded to both surfaces of the glass fiber, and the thin films have a larger area than the glass fiber and extend from edges of the glass fiber. The extended parts of the thin films are overlapped and folded to form a winding portion that seals the glass fiber.

Abstract: Disclosed are a DLP security system and an operating method thereof. An operating method of a data loss prevention (DLP) apparatus, comprising: converting, into packets, Ethernet signals received from a fail over device that are transmitted and received between an external network and internal network; analyzing the packets to classify the packets into first packets required to be precisely judged and second packets not required to be precisely judged; distributing and allocating a judgment job about the first packet to at least one in-line instance according to a predetermined reference; and allocating the judgment job distributed to the in-line instance in which a fail occurs to the in-line instance which is normally operated when it is verified whether there is an in-line instance which is normally operated in the case where the fail occurs in the at least one in-line instance.

Abstract: The present disclosure relates to mutant thermostable glycosyl hydrolases family 7 enzymes, including mutant Trichoderma reesei endoglucanase I. In particular, the present disclosure relates to mutant thermostable enzymes, compositions containing the enzymes, and methods of use thereof.

Abstract: Provided are an information protection apparatus and system. The information protection apparatus based on Windows, Unix, or Linux includes a first check unit, a second check unit, and a security measure unit. The first check unit checks whether there is a file including monitoring information among a plurality of check target files in a local storage area, according to a predetermined check policy. The second check unit checks whether there is a file including the monitoring information among the check target files in a sharing storage area of a file system that is shared in a network drive type in an NFS scheme. The security measure unit performs a security measure conforming to a predetermined security policy for the file including the monitoring information.

Abstract: Provided is a mutant of propionyl-CoA transferase from Clostridium propionicum that can convert lactate into lactyl-CoA with high efficiency in a method of preparing a polylactate (PLA) or PLA copolymer using microorganisms. Unlike conventional propionyl-CoA transferase which is weakly expressed in E. coli, when a mutant of propiony-CoA transferase from Clostridium propionicum is introduced into recombinant E. coli, lactyl-CoA can be supplied very smoothly, thereby enabling highly efficient preparation of polylactate (PLA) and PLA copolymer.

Abstract: A power semiconductor device is provided, which can prevent an electric field from concentrating on a diode region, and can improve a breakdown voltage by creating an impurity concentration gradient in the diode region to increase from a termination region to an active cell region to cause reverse current to be distributed to the active cell region.

Abstract: Provided are an apparatus and method for monitoring web application telecommunication data by user.

Abstract: Virtual substrates made by hydride vapor phase epitaxy are provided comprising a semiconductor growth substrate and a substantially strain-relaxed metamorphic buffer layer (MBL) structure comprising one or more layers of a semiconductor alloy on the growth substrate. The MBL structure is compositionally graded such that its lattice constant transitions from a lattice constant at the interface with the growth substrate that is substantially the same as the lattice constant of the growth substrate to a lattice constant at a surface opposite the interface that is different from the lattice constant of the growth substrate. The virtual substrates comprise relatively thick MBL structures (e.g., >20 ?m) and relatively thick growth substrates (e.g., >0.

Abstract: Provided is a passive containment spray system including: a spray coolant storage unit that communicates with a containment accommodating a reactor vessel and maintains equilibrium of pressure between the spray coolant storage unit and the containment; a spray pipe that is installed within the containment in such a manner that when an accident occurs, a coolant supplied from the spray coolant storage unit is sprayed into the containment through the spray pipe due to an increase in pressure within the containment; and a connection pipe one end of which is inserted into the spray coolant storage unit in such a manner as to provide a flow path along which the coolant flows and the other end of which is connected to the spray pipe in such a manner that the coolant is passively supplied to the spray pipe through the connection pipe therein.

Abstract: The present disclosure provides a cooling system of an emergency cooling tank, which enables long-term cooling without refilling cooling water, in case of the change in a quantity of heat transferred to the emergency cooling tank according to a lapse of time upon an occurrence of an accident of a nuclear reactor, and a nuclear power plant having the same.

Abstract: Provided is a mutant of propionyl-CoA transferase from Clostridium propionicum that can convert lactate into lactyl-CoA with high efficiency in a method of preparing a polylactate (PLA) or PLA copolymer using microorganisms. Unlike conventional propionyl-CoA transferase which is weakly expressed in E. coli, when a mutant of propiony-CoA transferase from Clostridium propionicum is introduced into recombinant E. coli, lactyl-CoA can be supplied very smoothly, thereby enabling highly efficient preparation of polylactate (PLA) and PLA copolymer.