Abstract: Disclosed herein is a power apparatus including a first motor, a second motor connected with the first motor in parallel, a driver configured to supply driving currents to the first and second motors, a current detector configured to detect the driving current of the first motor and the driving current of the second motor, a speed calculator configured to calculate a rotating speed of the first motor and a rotating speed of the second motor, and a controller configured to control the driver based on the rotating speed of the first motor, wherein the controller controls the driver so that the rotating speed of the first motor and the rotating speed of the second motor are the same as each other, when the rotating speed of the first motor and the rotating speed of the second motor are different from each other.

Abstract: Provided are a white-emitting monomolecular compound using excited-state intramolecular proton transfer (ESIPT) characteristics, and an organic electroluminescence device and a laser device comprising same. The white-emitting monomolecular compound according to the present invention is prepared by covalently bonding at least two types of molecules which produce different colors and have excited-state intramolecular proton transfer (ESIPT) characteristics. The white-emitting monomolecular compound according to the present invention achieves white luminescence irrespective of the concentration thereof and of the state of the materials thereof, and therefore can be used in a variety of fields including an organic electroluminescence device and a laser device.

Abstract: The present disclosure provides a polynucleotide which is codon optimized for the efficient expression in a eukaryotic cell, a plasmid and a eukaryotic cell comprising the same. The modification resulted in the efficient expression of NIS in eukaryotic cells and the enhancement of the function of NIS by glycosylation. Thus modified polynucleotide encoding NIS of the present disclosure is useful as imaging reporter for gene, viral and/or cell based therapies.

Abstract: The present disclosure provides adipose cell extracts and its use. The composition comprising the present extracts and method can be used advantageously for a stem cell-based, noninvasive therapy for treating neurologic disease such as stroke and HD. Also, in contrast to the stem cell transplantation, the present method or composition enables the repeated treatments, due to the convenient administration, thus leading to a more efficient prevention and/or curing of the disease of interest.

Abstract: There is provided a skyline query system for implementing a skyline query. The skyline query system includes a sky quad tree generator that generates a quad tree from data, and marks a leaf node, which cannot include a local skyline, as being dominated; a local skyline calculator that computes a local skyline of each leaf node, which is not marked as being dominated, in the sky quad tree; and a global skyline calculator that computes a global skyline by using the local skyline. The skyline query is a query for calculating a skyline, a dynamic skyline, or a reverse skyline from the data, and each of the local skyline and the global skyline is a skyline, a dynamic skyline or a reverse skyline.

Abstract: A method of manufacturing silica nanowires includes: providing an object to be processed into a reaction chamber; supplying a precursor having a heteroleptic structure, which has a chemical formula SiA2B2 (A and B are different functional groups), into the reaction chamber; supplying an oxygen-containing gas that preferentially reacts with any one of the functional groups A and B of the precursor; and growing an intermediate on a surface of the object to be processed due to a reaction between the precursor and the oxygen-containing gas.

Abstract: Provided are a method of executing parallel programming on a manycore cluster system and the manycore cluster system, both of which may make a parallel application targeting on one compute device operate on a heterogeneous manycore cluster system configured of a plurality of compute devices, without modifying source codes. Up to now, programmers have had to manually distribute an appropriate workload amount to the compute devices according to a throughput of each compute device. However, since the method and the manycore cluster system can reduce the complexity of programming and provide an heterogeneous manycore cluster environment that allows programmers to develop easily.

Abstract: A washing machine includes a tub; a drum rotatably disposed inside the tub; and an ultrasound generator configured to emit ultrasonic waves to washing water loaded in the drum, and to generate bubbles. The ultrasound generator applies ultrasonic energy to the washing water to cause chaotic oscillation of the bubbles.

Abstract: A storage device is provided which includes a nonvolatile memory device configured to store a plurality of reference data, a memory configured to store a hash manage table used to manage a plurality of reference hash keys of each of the plurality of reference data, a hash key generator configured to generate a plurality of hash keys based on write requested data, and a memory controller configured to compare the plurality of hash keys and reference hash keys of each reference data to determine whether to store the write requested data in the nonvolatile memory device. The memory controller selects one of the plurality of reference data according to a similarity between the plurality of hash keys and the plurality of reference hash keys of each reference data and stores the write requested data and the selected reference data in the nonvolatile memory device to refer to each other.

Abstract: The present disclosure provides an artificial iris prepared by forming a ring-shaped hydrophilic region on a biocompatible substrate, coating a curable material thereon and then coating a photoreactive material mimicking the iris frills through optical irradiation. The artificial iris may be implemented into the real human eye and is capable of regulating the intensity of the light reaching the retina through the pupil depending on the intensity of ambient light.

Abstract: A method for selecting a Multiple-Input Multiple-Output (MIMO) mode based on energy efficiency and selecting an antenna subset to be used in a communication, in a wireless communication system using a multi-user massive multi-antenna is provided. The method selects an antenna subset capable of minimizing transmission power without using all antennas, based on power consumed by an Radio Frequency (RF) circuit as well as the transmission power. The method further includes selecting a mobile station to which the signal is to be transmitted, selecting a multi-antenna technique based on power consumption of all antennas, selecting an antenna subset to transmit the signal to the mobile station among all the antennas, and transmitting the signal to the mobile station by using the antenna subset.

Abstract: The present invention relates to an optical film comprising a substrate on which an array of structures is formed, wherein a material having a different refractive index, absorbancy or reflectivity from that of a surface of the structures is partially coated on the surface of the structures, and a manufacturing method thereof. Specifically, the optical film according to one embodiment of the present invention may have a different transparency depending on the direction or can transmit light asymmetrically. Further, the optical film may be applicable to image devices, which need to change brightness or images depending on the angle of view or to display three-dimensional images.

Abstract: A wireless charging device may include: a transmitting unit configured to receive a high-frequency AC current and generate magnetic energy; and a first fixing unit disposed on a rear surface of the transmitting unit and configured to generate a designated magnitude or more of attractive force.

Abstract: A cluster system and a communication method in the cluster system are disclosed herein. The cluster system includes one or more nodes. Each of the one or more nodes includes at least one physical computation device and a virtualization module. The virtualization module manages at least one computation device. The each of the one or more nodes operates as a host node based on the virtual computation device.

Abstract: The method for transmitting a signal while avoiding the influences of an interference signal in the same channel according to the present invention comprises: a process in which communication devices in the communication system perceive, in a distributed manner, whether or not an interference signal exists in a transmission channel being used; a process in which the communication devices in the communication system temporarily transceive signals using a plurality of available transmission channels other than the transmission channel currently being used so as to avoid an interference signal if the interference signal is perceived; and a process of determining the channel having a best link state as a transmission channel from among the plurality of used transmission channels and returning to an existing transmission system using a single channel.

Abstract: A single coating composition providing both anti-bacterial and anti-fouling functions when applied to a product and a method of preparing same. The composition includes a fluorine-based substituent according to the following Formula 1 and at least one ammonium-based substituent according to the following Formula 2: ?CF2O?CF2CF2O?p?CF2O?q???[Formula 1] wherein p and q each independently is an integer of 1 to 100, ?CH2—C(CH3)(COOCH2CH2+N(CH3)2(CH2CH2)xCH3)???[Formula 2] wherein x is an integer of 1 to 20.

Abstract: Provided are a white-emitting monomolecular compound using excited-state intramolecular proton transfer (ESIPT) characteristics, and an organic electroluminescence device and a laser device comprising same. The white-emitting monomolecular compound according to the present invention is prepared by covalently bonding at least two types of molecules which produce different colors and have excited-state intramolecular proton transfer (ESIPT) characteristics. The white-emitting monomolecular compound according to the present invention achieves white luminescence irrespective of the concentration thereof and of the state of the materials thereof, and therefore can be used in a variety of fields including an organic electroluminescence device and a laser device.

Abstract: The present invention relates to a silk nanofiber nerve conduit characterized in that fibroin nanofibers having a diameter of 200 to 400 nm, originated from silk fiber, are stacked layer upon layer to form a porous conduit-shape; and a method for producing thereof, more specifically, to a method for producing a silk nanofiber nerve conduit comprising: (Step 1) preparing a fibrous spinning solution; (Step 2) producing a silk nanofiber of conduit-shape by electrospinning the fibrous spinning solution prepared in step 1 into the cylindrical collecting part coated with polyethyleneoxide; and (Step 3) separating a silk nanofiber of conduit-shape produced in step 2 from the collecting part. The silk nanofiber nerve conduit of the present invention has excellent biocompatibility; allows the body fluid to be exchanged inter in and out of conduit through pores of the conduit, as well; has a proper elasticity, tensile strength, and tear strength.

Abstract: A method and apparatus for computing a discrete logarithm using a pre-computation table are provided. The method includes previously generating the pre-computation table consisting of chains of function values obtained by applying an iterating function to a predetermined number of initial values having a generator of the cyclic group as a base and having different exponents; and if a function value obtained by applying the iterating function to a value having a target element as a base and having an exponent is identical to a function value stored in the pre-computation table, computing the discrete logarithm of the target element by using exponent information of the two function values.

Abstract: The present invention relates to a quantum dot light emitting element which can form a quantum light emitting layer configured of charge transporting particles and quantum dots and a charge transporting layer in a solution process, to reduce process expense, and a method for manufacturing the same. The quantum dot light emitting element includes a substrate, an anode formed on the substrate, a quantum light emitting layer formed on the anode, the quantum light emitting layer having charge transporting particles and quantum dots mixed therein, and a cathode formed on the quantum light emitting layer.