Abstract: Provided are a polymer and a polymer actuator including the polymer. The polymer is cross-linked by a cross-linking agent. When the polymer is used in the polymer actuator, the polymer actuator shows a high strain and may be stably operated at high temperatures.

Abstract: The present invention relates to a nano-porous electrode for a super capacitor and a manufacturing method thereof, and more specifically, to a nano-porous electrode for a super capacitor and a manufacturing method thereof wherein pores are formed on the surface or inside an electrode using an electrodeposition method accompanied by hydrogen generation, thereby increasing the specific surface area of the electrode and thus improving the charging and discharging capacity, energy density, output density, and the like of a capacitor.

Abstract: A distributed video decoder and a distributed video decoding method are provided. The distributed video decoder includes a key picture decoding unit which reconstructs a key picture received from an encoder, a hash information selecting unit which determines necessary hash information using the reconstructed key picture and/or generated previous side information, and a side information generating unit which generates side information using the reconstructed key picture and/or hash information selected based on information determined by the hash information selecting unit. The distributed video decoder further includes a channel code decoding unit which estimates a quantized value by using a parity bit received from the encoder and the generated side information, and a video reconstructing unit which reconstructs a current picture as a decoding target by using the quantized value estimated by the channel code decoding unit and the generated side information.

Abstract: There are disclosed a photovoltaic and fuel cell (PV-FC) hybrid generation system using a single converter and a single inverter, and a method of controlling the same. The PV-FC hybrid generation system includes a DC/DC converter unit converting an FC output voltage from a fuel cell, converting chemical energy into electrical energy, into a preset voltage, a DC link unit commonly connecting an output terminal of a photovoltaic cell, converting the sunlight into electrical energy, and an output terminal of the DC/DC converter unit, and linking the converted FC output voltage from the DC/DC converter unit with a PV output voltage from the photovoltaic cell to thereby generate a DC voltage, and a DC/AC inverter unit converting the DC voltage from the DC link unit into a preset AC voltage. Furthermore, a method of controlling the PV-FC hybrid generation system is proposed.

Abstract: A transceiver may include a reception (Rx) radio frequency (RF) part configured to process a received signal, a transmission (Tx) RF part configured to process a transmitted signal, and a phase lock loop (PLL) configured to provide a reception frequency to the reception RF part and provide a transmission frequency to the transmission RF part. The PLL may be controlled according to whether the reception RF part or the transmission RF part is on. In addition, a transceiver may include quenching waveform generator (QWGs) to control quenching waveforms of the RF parts corresponding to a plurality of antennas. The quenching waveforms may be generated respectively by VCOs operating at a same frequency. The QWGs may control the VCOs such that the quenching waveforms do not overlap.

Abstract: Provided are an interactive toy whose contents are updated daily, and a method of operating the interactive toy, and more particularly, to an interactive toy in which a wired or wireless communication device and a memory are installed and various contents are downloaded via a web server so as to extract conversation contents from the various contents according to date and other interactive toys and output the extracted conversation contents, and thus allow a user of the interactive toy to engage in conversations with the other users without using an additional conversation contents determining unit, and a method of operating the interactive toy.

Abstract: The present invention relates to a photobioreactor, and more particularly, a photobioreactor for culturing living organisms such as microalgae, which carry out photosynthesis using carbon dioxide and light energy. The photobioreactor includes: (a) a reaction vessel, in which photosynthesis occurs by photosynthetic organisms; (b) a multipurpose inlet/outlet formed at the outside upper end of the reaction vessel; (c) an outer pipe connected to the multipurpose inlet/outlet at the outside of the reaction vessel; and (d) an inner pipe connected to the multipurpose inlet/outlet at the inside of the reaction vessel, wherein the reaction vessel is made of a transparent film. The photobioreactor according to the present invention is advantageous in that the reaction vessel in which photosynthesis occurs is a plate-type and made of a transparent film, thus achieving improved light transmittance and mobility, and enabling the economically advantageous manufacture and operation thereof.

Abstract: Provided is a biodegradable thermoplastic resin composition including a cellulose derivative and surface-treated natural fiber. More particularly, in preparation of the biodegradable thermoplastic resin composition including the cellulose derivative and the natural fiber, a surface of the natural fiber is treated with alkali and/or sized, thereby increasing a density of the natural fiber, and an interfacial adhesion between the cellulose derivative and the natural fiber to improve a mechanical strength of the biodegradable thermoplastic resin composition. Furthermore, as the cheap natural fiber is used as a reinforcer, the production cost can be reduced.

Abstract: An amphiphilic pentablock copolymer that is temperature- and pH-sensitive and has superior and sustained gel strength, includes (a) a hydrophilic triblock copolymer that is temperature-sensitive and that is a copolymer of a poly(ethylene glycol)-based compound and a biodegradable polymer that is one or more polymer selected from the group consisting of polylactide, polyglycolide, polycaprolactone, poly(caprolactone-lactide) random copolymer, poly(caprolactone-glycolide) random copolymer, poly(lactide-glycolide) random copolymer, and mixtures thereof; coupled with (b) a polyurethane-based oligomer (PU) that is pH sensitive and that includes a diisocyanate compound represented by a Formula as follows: OCN—(CH2)n—NCO, where n is an integer of 4 to 10, polymerized with a diol compound having a tertiary amine on a main chain thereof that is one or more of 1,3-bis{1-(2-hydroxyethyl) -4-pyridyl}propane and 1,4-bis(2-hydroxyethyl)piperazine, and is represented by Formulae as follows: where R and R? are alkyl grou

Abstract: The present invention relates to cinchona-based bifunctional organocatalysts and methods for preparing chiral hemiesters using the same. More specifically, the present invention relates to methods for preparing chiral hemiesters from prochiral or meso cyclic acid anhydrides via desymmetrization, using bifunctional cinchona alkaloid catalysts comprising sulfonamide functional groups.

Abstract: A nozzle and an electrostatic field induction ink-jet nozzle are disclosed. In accordance with an embodiment of the present invention, the nozzle includes a concave part, which is formed along an outer circumference of the nozzle and in which the outer circumference is adjacent to a liquid discharging surface. The discharging nozzle can minimize the overflow and damping by a liquid during a process of discharging the liquid and thus maintain the discharging performance constant despite an extended operation of the nozzle.

Abstract: A menu user interface providing device and a method thereof are disclosed. In accordance with an embodiment of the present invention, the method of providing a menu user interface by a portable apparatus, including determining whether a main menu icon displayed on a touch screen is selected; determining whether a menu mode is an activation mode or an inactivation mode if the main menu icon is selected; and changing the menu mode into the activation mode if the menu mode is determined as the inactivation mode and forming an expanded menu by radically arranging a submenu of n hierarchies, n being a natural number, corresponding to the main menu icon and displaying the formed expanded menu through a touch screen. Accordingly, with the present invention, a user interface capable of inputting various data with easy manipulation and minimized multi-points can be provided.

Abstract: The present invention relates to a user-based collaborative filtering recommendation method and system and, more specifically, relates to a user-based collaborative filtering recommendation method and system which amends the similarity between the recommend probable user and the other user to improve the accuracy in the prediction of preference by using the relation between the user preference information entropies of the recommend probable user and the other user.

Abstract: A method of making Y-type hexagonal ferrite and an antenna using the same are provided. Y-type hexagonal ferrite includes a base ferrite composed of iron oxide, barium carbonate and cobalt oxide, and silicate glass ranging from 0.5 to 5 weight percent added to 100 weight percent of base ferrite. An antenna apparatus includes a magnetic carrier and an antenna pattern formed thereon. The magnetic carrier is formed of such Y-type hexagonal ferrite, and the antenna pattern resonates in a specific frequency band when electric power is supplied. To fabricate the Y-type hexagonal ferrite, a calcination process is performed in which iron oxide, barium carbonate and cobalt oxide are combined into base ferrite at a given calcination temperature after being mixed. A sintering process is performed to sinter the base ferrite and the silicate glass at a given sintering temperature which is lower than the calcination temperature after adding the silicate glass to the base ferrite.

Abstract: The present invention relates to a nucleic acid aptamer which can specifically recognize and bind to pancreatic cancer cells or tissues. The nucleic acid aptamer can bind specifically only to pancreatic cancer cells or tissues without binding to normal pancreatic cancer tissue, and thus can be effectively used as a composition for diagnosing and treating pancreatic cancer. In addition, the nucleic acid aptamer can detect not only the terminal pancreatic cancer cell line Capan-1, but also the early pancreatic cancer cell line Panc-1, and thus can be used for early diagnosis of pancreatic cancer, thereby contributing to increasing the survival rate of pancreatic cancer patients.

Abstract: An apparatus and a method for balanced power amplification are provided. An amplifier includes a splitter configured to split an input signal into a first input signal and a second input signal that include a 90° phase difference. The amplifier further includes a first power amplifier (PA) configured to amplify the first input signal to generate a first output signal. The amplifier further includes a second PA configured to amplify the second input signal to generate a second output signal. The amplifier further includes a combiner configured to combine the first output signal and the second output signal that include the 90° phase difference to generate an output signal.

Abstract: The present invention relates to an RNAi-inducing nucleic acid molecule having a new structure and the use thereof, and more particularly to a novel nucleic acid molecule having a structure comprising a first strand, which is 24-121 nt in length and comprises a region complementary to a target nucleic acid, and a second strand which is 13-21 nt in length and has a region that binds complementarily to the region of the first strand, which is complementary to the target nucleic acid, so that the nucleic acid molecule inhibits the expression of a target gene with increased efficiency, and to a method of inhibiting the expression of a target gene using the nucleic acid molecule. The nucleic acid molecule structure of the present invention increases the efficiency with which the nucleic acid molecule inhibits the target gene.

Abstract: The present invention relates to: TNF-? antagonists containing IGFBP5 protein, variants thereof, or fragments thereof; and the use of the TNF-? antagonists. More specifically, the present invention relates to: a polynucleotide encoding the protein, variants thereof, or fragments thereof; a vector containing the polynucleotide; a transformant containing the vector; and a method for screening a therapeutic agent for TNF-? overexpression-related diseases by checking whether the mutual reaction thereof is facilitated after treating with candidates to the cell expressing the IGFBP5 protein, variants thereof, or fragments thereof, and the TNFR1.

Abstract: A method and apparatus for encoding/decoding motion vector information are provided, in which a coding unit is divided into a plurality of subunits, PMVs of the subunits are calculated, it is determined whether the PMVs satisfy a predetermined condition, and coded motion vector data are generated, which include information indicating an omission of the motion vectors of the subunits, if the PMVs satisfy the predetermined condition.

Abstract: A compact pipe specimen applicable to a fracture toughness test used to evaluate physical properties of a pipe material is provided. The compact pipe specimen includes: a pipe having a notch portion formed in a circumferential direction and a crack portion formed at the edge of the notch portion; and first and second jigs having openings to which a pressurizing unit is coupled so as to cause a bending load on the pipe, having the notch portion therebetween, and attached to the exterior surface of the pipe, respectively. It is unnecessary to correct the influence of a constraint effect due to varying sizes and shapes of the specimen. There is no restriction to the curvature and thickness of a pipe. A fracture behavior of a pipe crack portion can be precisely simulated.