Abstract: Disclosed is a Radio Frequency Identification (RFID) tag antenna. The tag antenna includes a lower dielectric substrate and an upper dielectric substrate. The lower dielectric substrate is provided at a lower surface thereof with a ground plane and at an upper surface thereof with two microstrip lines. The microstrip lines each have an open-end, the open ends spaced apart from each other from a middle of the lower dielectric substrate while facing each other to form a radiating slot from which radiation of electromagnetic waves occurs. The upper dielectric substrate is provided at an upper surface thereof with at least one electric capacitive device and is stacked on the lower dielectric substrate. The RFID tag antenna enhances radiation efficiency while achieving miniaturization.

Abstract: A liquid crystal composition including about 70 percent by weight to about 98 percent by weight of a liquid crystal molecule; and about 2 percent by weight to about 30 percent by weight of a hydrogel agent, each based on a total weight of the liquid crystal composition.

Abstract: The present invention relates to a method and system for controlling a wind farm when a ramp up or ramp down rate of the wind farm does not satisfy a grid-code or corresponding criteria due to an abrupt change in wind speed. The method and system for controlling a wind farm includes the steps of measuring speed and direction of wind performed outside the wind farm, sequentially controlling wind turbines if the wind speed abruptly changes considering a time for the wind to arrive at the wind turbines, determining the number of wind turbines to be controlled simultaneously so that the wind farm may satisfy the grid-code at this point, grouping the wind turbines, determining a control sequence and a control time of each group, and adjusting a control end time if stopping times of adjacent groups are overlapped when the wind turbines are stopped.

Abstract: The present invention relates to a lyotropic chromonic liquid crystal composition, a method for manufacturing a lyotropic chromonic liquid crystal coating film and a lyotropic chromonic liquid crystal coating film manufactured thereby. The lyotropic chromonic liquid crystal composition of the present invention includes chromonic liquid crystal compounds and monomers each having opposing acid-base properties. Use of the lyotropic chromonic liquid crystal composition in the formation of optical films leads to improvements in electrical and optical properties such as mechanical strength, an insulating characteristic and a refractive index.

Abstract: A method for predicting wind conditions in a wind farm is provided. The method includes the steps of: (a) measuring wind conditions including a wind speed and a wind direction by means of wind condition measurement devices disposed outside the wind farm; (b) compensating for an error occurring while the wind conditions measured by the wind condition measurement devices are reaching the wind farm; and (c) calculating wind conditions in each wind turbine in the wind farm after a predetermined time based on the wind conditions whose error is compensated in step (b). According to the present invention, it is possible to stably operate the wind farm and effectively operate the entire power grid associated with the wind farm by accurately predicting the wind conditions after a predetermined time to minimize the fluctuation in power output of the wind farm due to a change in the wind conditions.

Abstract: The present invention relates to a pharmaceutical composition for promoting fertilization comprising cyclic ADP-ribose or its derivative, CD38 and to a method of promoting fertilization by promoting the synthesis of cyclic ADP-ribose to increase sperm motility. Also, the present invention relates to a pharmaceutical composition for contraception and a method for inhibiting fertilization, which can inhibit the expression or function of cyclic ADP-ribose to reduce sperm motility, thereby inhibiting fertilization.

Abstract: Disclosed is a dynamic postural balance training system. The system includes: a base frame; a support frame which extends upwards from the base frame; a roll motion frame which is coupled to the upper portion of the support frame by a first shaft so as to be rotatable to the left or the right; a pitch motion frame which is coupled to the roll motion frame by a second shaft so as to be rotatable forwards or rearwards; a pelvis fastening unit which is disposed inside the pitch motion frame and which expands to fix the pelvis of the user in place; a connector which extends downwards from the pitch motion frame; and a foot fastening unit which is coupled to the lower end of the connector and expands to fix the feet of the user in place.

Abstract: Provided is a light emitting diode (LED) having improved light emission efficiency, which can effectively overcome a technical limit of the related art by implementing a surface plasma resonance effect as well as reducing a layer defect such as threading dislocations in an LED structure.

Abstract: The present invention provides a composition for preventing or treating diabetes, comprising an NAD glycohydrolase (NADase) inhibitor as an active ingredient. The NAD glycohydrolase (NADase) inhibitor according to the present invention has the effect of reducing blood glucose levels and promoting insulin secretion and thus can be effectively used as a therapeutic agent for diabetes, particularly type II diabetes.

Abstract: A signal transformation apparatus, a signal transformation method, and a recording medium are provided. The signal transformation apparatus selects any one of DCT-II, DST-II, DFT, and HWT, and transforms and outputs the input signal according to the selected transform. Therefore, the hybrid architecture of low complexity can be attained.

Abstract: The present invention relates to a memristor, and more particularly, to a method of implementing a memristor-based multilevel memory using a reference resistor array and a write-in circuit and a read-out/restoration circuit for the memristor-based multilevel memory, in which a memristor can be used as a multilevel memory. In the present invention, a reference resistance value is written in a selected memristor of a memristor array by applying repeatedly the current pulses of which widths are proportional to the difference between the resistances of the selected memristor and the selected node of the reference resistor array.

Abstract: The present disclosure relates to bisphenyl compounds that are useful for inhibiting the ADP-ribosyl cyclase (ADPR-cyclase). More particularly, the disclosed compounds can be used for treatment and prevention of hypertension, hypertensive cardiac hypertrophy, diabetes, and diabetic nephropathy, in which pathogenesis ADPR-cyclase is involved. The compounds and compositions of the invention can be used for treatment and prevention of cardiovascular disease and related disease states, particularly, hypertension or diabetes related disorders, such as, hypertensive cardiac hypertrophy, diabetic nephropathy, and the like.

Abstract: The present invention relates to a method and system for controlling a wind farm when a ramp up or ramp down rate of the wind farm does not satisfy a grid-code or corresponding criteria due to an abrupt change in wind speed. The method and system for controlling a wind farm includes the steps of measuring speed and direction of wind performed outside the wind farm, sequentially controlling wind turbines if the wind speed abruptly changes considering a time for the wind to arrive at the wind turbines, determining the number of wind turbines to be controlled simultaneously so that the wind farm may satisfy the grid-code at this point, grouping the wind turbines, determining a control sequence and a control time of each group, and adjusting a control end time if stopping times of adjacent groups are overlapped when the wind turbines are stopped.

Abstract: The present invention relates to a pharmaceutical composition for promoting fertilization comprising cyclic ADP-ribose or its derivative, CD38 and to a method of promoting fertilization by promoting the synthesis of cyclic ADP-ribose to increase sperm motility. Also, the present invention relates to a pharmaceutical composition for contraception and a method for inhibiting fertilization, which can inhibit the expression or function of cyclic ADP-ribose to reduce sperm motility, thereby inhibiting fertilization.

Abstract: Disclosed herein is a circularly polarized antenna with a wide beam width, in which four U-shaped metal strips are disposed in a circular shape, and four signals having the same magnitude and phase difference intervals of 90 degrees are fed to the respective metal strips so as to transceive circularly polarized waves. The disclosed circularly polarized antenna includes a ground plane, a central patch formed in the center of an upper surface of the ground plane, and a plurality of radiation patches disposed above the ground plane and around the central patch in a circular shape, wherein signals having the same magnitude and preset phase differences are fed to respective radiation patches.

Abstract: A communication method and apparatus using a symbol interleaver in a long term evolution (LTE)-based satellite communication system are provided. The communication method may include determining whether to use an interleaver based on service information, and interleaving the data using the symbol interleaver designed based on interleaver information. Also, the communication method may include generating random data using a timer and interleaving the random data.

Abstract: A signal processing device and an image processing device are provided. The signal processing device includes a matrix calculator for performing a matrix operation selected by a switch part among a DCT matrix operation, a Haar matrix operation, and a Slant matrix operation, with respect to an input signal. Thus, the signal processing device can be implemented in a hybrid architecture capable of selectively processing the DCT-II transform, the Haar transform, and the Slant transform with a single chip.

Abstract: Provided is an early rehabilitation training system that increase the intensity of patient rehabilitation training to shorten the time it takes for patients to progress to a secondary rehabilitation training stage by allowing patients incapable of self-ambulation to be artificially rehabilitated in a prone, bed-ridden position. The system includes a treatment bed (2) configured with a mattress (2a), a base (2b) disposed below the mattress (2a) and coupled through a hinge to one end of the mattress (2a), and a tilting unit (2c) provided between the mattress (2a) and the base (2b) to adjust an upright angle of the mattress (2a); and a rotating unit (10) provided below the mattress (2a) of the treatment bed (2) to secure a patient's feet and provide artificial exercising of the patient's feet through gravity when the upright angle of the mattress (2a) is changed by the tilting unit (2c).

Abstract: The administration of nicotinic acid adenine dinucleotide phosphate (NAADP) or a pharmaceutically acceptable salt thereof to a host in need thereof for the treatment of type-2 diabetes has been disclosed.

Abstract: An RFID tag includes an antenna and a chip, and the antenna includes a first polygonal dielectric material, first and second microstrip lines partially formed in the first dielectric material, a second polygonal dielectric material stacked on the first dielectric material, and a third microstrip line partially formed in the second dielectric material. According to the present invention, the RFID tag can efficiently receive electromagnetic waves to thereby maximize a readable range.