Abstract: There is provided a ferritic lightweight steel which contains 2.0 to 3.0 wt % manganese (Mn), 5.0 to 6.0 wt % aluminum (Al) and 0.1 to 0.3 wt % carbon (C) and has a tensile strength of 900 MPa to 1,108 MPa. The lightweight steel includes ferrite-austenite dual grains as a result of performing low-temperature tempering-induced partitioning (LTP) at 300° C. for 10 minutes after isothermal annealing.

Abstract: Embodiments of the present disclosure provide an active terminal detection method and an active terminal detection device that increase the performance of determining whether a terminal is active by designing a spread code to reduce a cross-correlation value of the spread code of a terminal with a high activation frequency in a massive machine-type communication environment by using deep learning.

Abstract: A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.

Abstract: The present disclosure provides a composition for manufacturing a polyurethane polishing pad. The composition includes 15 to 25 wt % of MBCA, 25 to 45 wt % of isocyanates, 15 to 45 wt % of polyols, 5 to 35 wt % of EOPO, and 1 to 5 wt % of additives. The polyurethane polishing pad made from the composition of the present disclosure has a hardness within a range of 40 to 70 shore D, an elongation within a range of 200 to 400%, a density within a range of 0.7 to 0.9 g/cc, a modulus within a range of 25000 to 40000 kg/cm2, and a tensile stress within a range of 120 to 320 kg/cm2.

Abstract: A reflectionless window is disclosed. The reflectionless window comprises: a transparent window; a plurality of first nanocolumns arranged on a first surface of the transparent window; and a plurality of second nanocolumns having a height smaller than that of the first nanocolumns, the plurality of second nanocolumns being arranged on at least one surface selected from the upper surface of the plurality of first nanocolumns and a side surface thereof and being arranged in an area on the first surface of the transparent window in which the plurality of first nanocolumns are not arranged.

Abstract: A wearable body composition analyzer according to various embodiments of the present disclosure may include an induction part for inducing secretion of bodily liquid while being in contact with a body part, a collection part that collects the bodily liquid secreted, a sensor part that detects a body composition from the bodily liquid collected, and a wearable part to which the induction part and the collection part is detachably attached, wherein the wearable part may be worn on a body. The above-described wearable body composition analyzer may be implemented variously according to embodiments.

Abstract: Disclosed is a glucose measuring apparatus including a pressure measurer having an elastic part or a pressure sensor, that measures a pressure applied to an object, a film that comprises a first optical waveguide configured to be close to the object, a near infrared ray (NIR) irradiator that irradiates an NIR to the first optical waveguide if the measured pressure is greater than or equal to a preset value, an NIR receiver that receives an attenuated total reflection NIR (ATR-NIR) from the first optical waveguide, and an analyzer that measures a blood glucose level based on the ATR-NIR, wherein the film is an independent module that can be combined with and separated from the glucose measuring apparatus.

Abstract: An embodiment of the present disclosure may provide a method of detecting a fault location using an acoustic emission signal, including a measuring step of measuring, by a signal measuring unit including at least three sensors disposed in a diagnosed subject and isolated from one another, an acoustic emission signal generated from a faulty part of the diagnosed subject, a signal pre-processing step of filtering and amplifying, by the signal pre-processing unit, the acoustic emission signal, an extraction step of extracting, by a data operation unit, a measuring time, that is, the time when the acoustic emission signal reaches each of the at least three sensors of the signal measuring unit, and a first analysis step of analyzing, by a data analysis unit, a location and occurrence time of the faulty part by using the measuring time and location information of the signal measuring unit.

Abstract: Disclosed is a manufacturing method for a bio-sensor. The present manufacturing method comprise the steps of: preparing an acidic solution comprising an enzyme and a molecule containing a catechol group; an immersing electrodes in the acidic solution and applying a voltage to the electrodes, thereby attaching a structure, which is generated by a reaction of the enzyme and the molecule containing a catechol group, to the electrodes.

Abstract: Methods and apparatuses for blood glucose measurement are provided. A first glucose concentration in a body fluid of a user is detected based on a first measurement interval. A first blood glucose level of the user is determined based on the first glucose concentration. A glucose concentration measurement interval is changed from the first measurement interval to a second measurement interval according to an occurrence of an event. A second glucose concentration in the body fluid is detected based on the second measurement interval. A second blood glucose level of the user is determined based on the second glucose concentration.

Abstract: Disclosed is a biosensor. The biosensor comprises: an electrode; and a polymer structure disposed on the electrode and formed of poly-5,2?:5?,2?-terthiophene-3-carboxylic acid (pTTCA), wherein an enzyme is present in a state of covalently binding with pTTCA inside the polymer structure.

Abstract: Disclosed is a manufacturing method for a bio-sensor. The present manufacturing method comprise the steps of: preparing an acidic solution comprising an enzyme and a molecule containing a catechol group; an immersing electrodes in the acidic solution and applying a voltage to the electrodes, thereby attaching a structure, which is generated by a reaction of the enzyme and the molecule containing a catechol group, to the electrodes.

Abstract: A blood glucose measurement apparatus includes: a control unit configured to determine a user's blood glucose level based on a concentration of body fluid secreted from the user; and a biometric information acquisition unit configured to acquire biometric information indicating a status of a user's autonomic nervous system. The control unit is configured to correct the determined blood glucose level based on the biometric information.

Abstract: The present disclosure provides a composition for manufacturing a polyurethane polishing pad. The composition includes 15 to 25 wt % of MBCA, 25 to 45 wt % of isocyanates, 15 to 45 wt % of polyols, 5 to 35 wt % of EOPO, and 1 to 5 wt % of additives. The polyurethane polishing pad made from the composition of the present disclosure has a hardness within a range of 40 to 70 shore D, an elongation within a range of 200 to 400%, a density within a range of 0.7 to 0.9 g/cc, a modulus within a range of 25000 to 40000 kg/cm2, and a tensile stress within a range of 120 to 320 kg/cm2.

Abstract: The present disclosure provides a polyurethane polishing pad manufactured from a composition. The composition includes 5 to 15 wt % of MBCA, 25 to 45 wt % of isocyanates, 45 to 55 wt % of polyols, and 1 to 5 wt % of conductive additive. The conductive additive comprises at least one of carbon black, carbon fibers, and aluminum particles.

Abstract: The present disclosure provides a composition for manufacturing a polishing pad. The composition includes 15 to 25 wt % of MBCA, 20 to 40 wt % of isocyanates, 30 to 50 wt % of polyols, and 3 to 10 wt % of conductive additive. The conductive additive in the composition is selected from at least one of carbon black, carbon fibers, and alumina particles. The conductive additive is electrically charged.

Abstract: Disclosed is a glucose measuring apparatus including a pressure measurer having an elastic part or a pressure sensor, that measures a pressure applied to an object, a film that comprises a first optical waveguide configured to be close to the object, a near infrared ray (NIR) irradiator that irradiates an NIR to the first optical waveguide if the measured pressure is greater than or equal to a preset value, an NIR receiver that receives an attenuated total reflection NIR (ATR-NIR) from the first optical waveguide, and an analyzer that measures a blood glucose level based on the ATR-NIR, wherein the film is an independent module that can be combined with and separated from the glucose measuring apparatus.

Abstract: A method and device for measuring blood glucose are provided. The device includes a strip receiving part having a plurality of pins therein, the pins being arranged in such a manner that at least one of the pins contacts at least one electrode formed in a blood glucose measurement strip when the blood glucose measurement strip is inserted into the strip receiving part; and a controller configured to identify a type of the blood glucose measurement strip inserted into the strip receiving part and to control application of a testing voltage configured in response to the identified type of the blood glucose measurement strip to each pin of the strip receiving part.

Abstract: A reflectionless window is disclosed. The reflectionless window comprises: a transparent window; a plurality of first nanocolumns arranged on a first surface of the transparent window; and a plurality of second nanocolumns having a height smaller than that of the first nanocolumns, the plurality of second nanocolumns being arranged on at least one surface selected from the upper surface of the plurality of first nanocolumns and a side surface thereof and being arranged in an area on the first surface of the transparent window in which the plurality of first nanocolumns are not arranged.

Abstract: A bio sensor a method of sensing for the bio sensor are provided. The bio sensor includes an electrode array. The electrode array includes an enzyme electrode for measuring a target material, a power driver for providing a voltage to the electrode array, and a processor for controlling the power driver to alternately provide a negative voltage and a positive voltage to the electrode array, and for controlling the power driver to provide a measurement voltage for measuring the target material to the electrode array after the alternating voltage is provided.