Abstract: A lithium complex oxide includes a mixture of first particles of n1 (n1>40) aggregated primary particles and second particles of n2 (n2?20) aggregated primary particles, the lithium complex oxide represented by Chemical Formula 1 and having FWHM (deg., 2?) of 104 peak in XRD, defined by a hexagonal lattice having R-3m space group, in a range of Formula 1: LiaNixCoyMnzM1-x-y-zO2,??[Chemical Formula 1] where M is selected from: B, Ba, Ce, Cr, F, Mg, Al, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, W, P, Sr, and any combination thereof, 0.9?a?1.3, 0.6?x?1.0, 0.0?y?=0.4, 0.0?z?0.4, and 0.0?1-x-y-z?0.4, ?0.025?FWHM(104)?{0.04+(xfirst particle?0.6)×0.25}?0.025,??[Formula 1] where FWHM(104) is represented by Formula 2, FWHM(104)={(FWHMChemical Formula 1 powder(104)?0.1×mass ratio of second particles)/mass ratio of first particles}?FWHMSi powder (220).

Abstract: The present disclosure relates to a sleeve gastrectomy aid device including: a guide configured to be inserted into a stomach of a patient; an expander configured to be disposed outside the guide and have a volume that changes according to an amount of air therein; a first measurer configured to measure a pressure applied to the expander and have a shape that changes in accordance with a change in the volume of the expander; and a monitor configured to be connected to the first measurer and provide resection position information through a value of the pressure measured by the first measurer.

Abstract: Provided is an image processing device configured to compress first image data. The image processing device includes an encoding circuit configured to compress the first image data into second image data including prediction data and residual data, compress the second image data into third image data by performing entropy encoding on the second image data, generate a header representing a compression ratio of the third image data, and store the third image data along with the header in a memory device as compressed first image data.

Abstract: Provided is a method for preparing an oligomer including: supplying a monomer stream and a solvent stream to a reactor to perform an oligomerization reaction to prepare a reaction product; supplying a discharge stream from the reactor including the reaction product to a separation device and supplying a lower discharge stream from the separation device to a settling tank; adding an organic flocculant to the settling tank to settle and remove a polymer and supplying the lower discharge stream from the separation device from which the polymer is removed to a high boiling point separation column; and removing a high boiling point material from the lower portion in the high boiling point separation column and supplying an upper discharge stream including an oligomer to a solvent separation column.

Abstract: A resolution controller for a stretchable display includes a resolution-setting multiplexer module to receive a resolution selecting signal and to apply a gate in panel (GIP) selecting signal, in response to the resolution selecting signal, and a GIP module configured to generate a gate driving signal in response to the GIP selecting signal applied by the resolution-setting multiplexer module, and apply the gate driving signal to a pixel driving flexible printed circuit board (FPCB) of the stretchable display to drive an open pixel depending on a stretched state of the stretchable display.

Abstract: A strain sensor may have a conductive elastic yarn including a first fiber having a predetermined length and a shape of a fiber yarn and a second fiber having electrical conductivity and a sheet shape. The strain sensor may have a pair of wiring members electrically connected to both ends of the conductive elastic yarn. The conductive elastic yarn, with the second fiber wrapped around the first fiber, is twisted in a coil shape.

Abstract: Provided is a method of producing an oligomer, the method including: supplying a monomer stream and a solvent stream to a reactor to perform an oligomerization reaction to produce a reaction product; supplying a discharge stream of the reactor to a separation device, and supplying an upper discharge stream of the separation device including an unreacted monomer to the reactor and supplying a lower discharge stream of the separation device to a settling tank; settling a polymer in the settling tank and removing the polymer, and supplying the lower discharge stream of the separation device from which the polymer is removed to a high-boiling point separation column; removing a high-boiling point material from a lower discharge stream of the high-boiling point separation column and supplying an upper discharge stream of the high-boiling point separation column including an oligomer to a solvent separation column; and separating a solvent and the oligomer in the solvent separation column.

Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery using a positive electrode containing the positive electrode active material. More particularly, the present invention relates to a positive electrode active material that is able to solve a problem of increased resistance according to an increase in Ni content by forming a charge transport channel in a lithium composite oxide and a lithium secondary battery using a positive electrode containing the positive electrode active material.

Abstract: A wiping device is equipped with a wiping blade that wipes an ink ejection surface of a nozzle row of an ink jet head, a cleansing tank that stores a cleansing solution and in which the wiping blade is immersed, and a shower unit that sprays the cleansing solution onto the wiping blade.

Abstract: A flange grounding device for grounding between flanges in the case that a predetermined interval is present due to a valve and the like being installed between the flanges when connecting pipes includes: a housing provided with an inner space in which an elastic member is installed, and provided with a rear end brought into close contact with the flange of one side; and an extension member installed inside the housing by being supported at one end of the elastic member, and provided with an opposite end protruded outer side through an inlet of the inner space to be brought into close contact with the flange of another side. Accordingly, even though the interval between the flanges is varied, grounding using one type of grounding device may be reliably performed.

Abstract: The present invention relates to an apparatus for cooling a power device of a power conditioning system. To this end, the present invention comprises: a power device; an evaporator butted to the power device; and a modularized condenser which is connected with the evaporator, placed on the power device, and equipped on the upper side of the power conditioning system. Accordingly, the present invention may easily secure a space, make it easy to install, and increase heat emission performance of the condenser so as to keep the power device at a low temperature, thereby enabling the system to be stably operated over a long period of time.

Abstract: Proposed is a flange grounding device for grounding between flanges in the case that a predetermined interval is present due to a valve and the like being installed between the flanges when connecting pipes, the device including: a housing provided with an inner space in which an elastic member is installed, and provided with a rear end brought into close contact with the flange of one side; and an extension member installed inside the housing by being supported at one end of the elastic member, and provided with an opposite end protruded outer side through an inlet of the inner space to be brought into close contact with the flange of another side. Accordingly, even though the interval between the flanges is varied, grounding using one type of grounding device may be reliably performed.

Abstract: A wiping device is equipped with a wiping blade that wipes an ink ejection surface of a nozzle row of an ink jet head, a cleansing tank that stores a cleansing solution and in which the wiping blade is immersed, and a shower unit that sprays the cleansing solution onto the wiping blade.

Abstract: The present invention relates to an apparatus for cooling a power device of a power conditioning system. To this end, the present invention comprises: a power device; an evaporator butted to the power device; and a modularized condenser which is connected with the evaporator, placed on the power device, and equipped on the upper side of the power conditioning system. Accordingly, the present invention may easily secure a space, make it easy to install, and increase heat emission performance of the condenser so as to keep the power device at a low temperature, thereby enabling the system to be stably operated over a long period of time.

Abstract: A test apparatus includes a device under test (DUT) configured to exchange data using a serial interface protocol and a test controller configured to receive a binary vector corresponding to a physical layer of the serial interface protocol from an external device and to buffer and transmit the received binary vector to the DUT.

Abstract: A test board includes: a board substrate; a device under test (DUT) socket connected to the board substrate and configured to accommodate a semiconductor package; a test controller; a wireless signal unit configured to wirelessly exchange signals with a server; and a wireless power unit configured to be wirelessly charged by an external source and configured to supply electric power to the test controller and the DUT socket, wherein the test controller is configured to independently perform a test on the semiconductor package accommodated in the DUT socket in response to a test pattern command being wirelessly received from the server via the wireless signal unit.

Abstract: A test board includes: a board substrate; a device under test (DUT) socket connected to the board substrate and configured to accommodate a semiconductor package; a test controller; a wireless signal unit configured to wirelessly exchange signals with a server; and a wireless power unit configured to be wirelessly charged by an external source and configured to supply electric power to the test controller and the DUT socket, wherein the test controller is configured to independently perform a test on the semiconductor package accommodated in the DUT socket in response to a test pattern command being wirelessly received from the server via the wireless signal unit.

Abstract: A test apparatus includes a device under test (DUT) configured to exchange data using a serial interface protocol and a test controller configured to receive a binary vector corresponding to a physical layer of the serial interface protocol from an external device and to buffer and transmit the received binary vector to the DUT.

Abstract: Provided herein is a fast block circulant generated Hadamard matrix which is called jacket matrices of orders N=2p,4p,4kp,np, wherein k is a positive integer. The block Toeplitz circulant jacket matrices possess many properties of Walsh-Hadamard Toeplitz transform and also have the construction of block circulant, which can be applied to fast algorithms for decomposition easily. The matrix decomposition is of the form of the products of block identity I2 matrix and block Hadamard H2 matrix. The block Toeplitz circulant jacket matrices can be applied to the Kronecker MIMO channel.

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.