Abstract: An anode for a secondary battery is provided, the anode for a secondary battery including: an anode current collector; a first anode mixture layer formed on at least one surface of the anode current collector, and including a first silicon-based active material and a first conductive material; and a second anode mixture layer formed on the first anode mixture layer, and including a second silicon-based active material and a second conductive material, wherein a content of the first silicon-based active material in the first anode mixture layer is lower than a content of the second silicon-based active material in the second anode mixture layer, and a Radial Breathing Mode (RBM) peak is observed in a Raman spectrum obtained from a surface of the second anode mixture layer.

Abstract: A multi-bio-signal-based geriatric cognitive impairment diagnosis method includes collecting multiple bio-signals including brain waves, heart rate variability, and gait measurement values of a subject during walking; calculating a probability value of a geriatric cognitive impairment disease by using a cognitive impairment diagnosis model, based on the multiple bio-signals; and determining whether there is a geriatric cognitive impairment disease, based on a calculated probability value, wherein the cognitive impairment diagnosis model is a model constructed by applying brain waves, heart rate variability, and gait measurement values of a patient with a geriatric cognitive impairment disease to a logistic function.

Abstract: A positive electrode includes a current collector, a first positive electrode active material layer, and a second positive electrode active material layer. The first positive electrode active material layer is formed on the current collector and the second positive electrode active material layer is formed on the first positive electrode active material layer. The first and second positive electrode active material layers each include lithium iron phosphate, a fluorine-based binder, a rubber-based binder, and a conductive material. The rubber-based binder includes a first hydrogenated nitrile butadiene rubber and a second hydrogenated nitrile butadiene rubber A ratio (P2/P1) of the weight P2 of fluorine contained in the second positive electrode active material layer to the weight P1 of fluorine contained in the first positive electrode active material layer is 1 or less.

Abstract: The present invention relates to: a substituted thiazolidinedione derivative compound having a novel structure acting as a sterol regulatory element-binding protein-1 (SREBP1) inhibitor, a hydrate thereof, or a pharmaceutically acceptable salt thereof; and a pharmaceutical composition for preventing or treating cancer, comprising same as an active ingredient.

Abstract: The present invention relates to a novel halo-(3-(phenylsulfonyl)prop-1-enyl)pyridine derivative or a pharmaceutically acceptable salt thereof; a preparation method thereof; and an Nrf2 activator and a pharmaceutical composition for preventing or treating diseases induced by a decrease in Nrf2 activity, both of which comprise the same as an active ingredient.

Abstract: A negative electrode active material for a secondary battery including: natural graphite particles; and a carbon coating layer on a surface and in an inside of the natural graphite particles. The negative electrode active material for a secondary battery has a porosity of 3% to 13%.

Abstract: This application relates to an optical sensor element. In one aspect, the optical sensor element includes a graphite column including one or more graphite rods. The optical sensor element may also include one or more first graphene layers partly or entirely covering each of both ends of the graphite column. The optical sensor element may further include one or more second graphene layers partly or entirely covering the outer circumferential surface of the graphite column. This application also relates to an optical sensor for measuring the concentration of a greenhouse gas and the optical sensor includes the optical sensor element.

Abstract: A light source includes a controller configured to turn on or off a plurality of light sources depending on a light period. The controller can be configured to turn on the light sources during each of a plurality of light periods such that the light sources emit a light having a spectrum with a plurality of peaks toward the plant. At least one light period can include a first period and a second period and the first period preceding or following the second period. The controller can adjust the spectrum of the light between the first period and the second period and/or during different light periods.

Abstract: A tactile stimulation providing system includes: an apparatus for generating first actuator strength values corresponding to representative values of frequency bands of first audio data and second actuator strength values corresponding to representative values of frequency bands of second audio data; and an apparatus for driving actuators, based on the first actuator strength values and the second actuator strength values, wherein a number of the actuators is smaller than a number of the first and second actuator strength values, the first audio data includes information on a first direction, the second audio data includes information on a second direction, an actuator corresponding to first position information is driven based on only at least one of the first actuator strength values, and an actuator corresponding to second position information is driven based on only at least one of the second actuator strength values.

Abstract: A catheter rotary apparatus for OCT includes a rotary junction module and a catheter. The rotary junction module includes a body part including a through part to enable an optical fiber on a sample stage side of OCT system to pass at one end and an optical fiber on a catheter side to pass at the other end, a fiber optic rotary joint provided at one end on the sample stage side of OCT system of the body part and configured to connect the optical fiber on the sample stage side of OCT system and the optical fiber on the catheter side and a catheter. The catheter includes a female type optical connector connected to the male type optical connector, and a cap part clamped to the body part. The cap part includes an outer cap coupled to a through part formed in the body part, an inner cap inserted into the outer cap, and a fixed cap coupled to the female type optical connector and rotated when the female type optical connector is rotated.

Abstract: An armrest device for a vehicle includes a tray module configured to provide a cup holder function, an article storage function, and a table function; a frame module configured to enclose a periphery of the tray module and coupled to a rear seat of the vehicle; and a cover module configured to cover the tray module. The armrest device enables implementation of an arm rest function for allowing a passenger to put an arm on an armrest, as well as the cup holder function, the article storage function, and the table function utilizing a first slide cover having no vertically-extending hole, and a second slide cover formed with a cup holder hole.

Abstract: Provided is a method of recovery lithium ion, including adding a residue after leaching lithium from an ore containing spodumene into a solution in which a lithium ion is dissolved; absorbing a lithium ion into the residue by reacting the solution containing the residue at 50-90° C.; and recovering a cake containing a lithium from the residue in which the lithium ion has been absorbed by performing solid-liquid separation.

Abstract: Provided are a process for preparing (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine or a salt thereof, which is an intermediate useful for the preparation of tofacitinib, an intermediate used in the process, i.e., isopropanol solvate of methyl ((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)carbamate dibenzoyl-L-tartrate, an intermediate, having excellent stability, useful for the preparation of tofacitinib, i.e., (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine acetate, and a process for preparing tofacitinib or a pharmaceutically acceptable salt thereof.

Abstract: A button-type secondary battery according to the present disclosure includes: an electrode assembly; a lower can configured to accommodate the electrode assembly; an upper can coupled to an opening of the lower can; a gasket configured to insulate a coupling portion between the lower can and the upper can; and a center part provided at a core portion of the electrode assembly, wherein the center part includes: a center pin inserted into the core portion of the electrode assembly; and an upper plate provided with an upper cover surface provided on an upper end of the center pin to protect an upper portion of the electrode assembly, wherein an edge of the upper cover surface is provided to be supported on an inner wall of the lower can.

Abstract: The present invention relates to a system structure capable of performing real-time detection of nucleic acid extraction and amplification reactions and amplified results in a device for implementing a polymerase chain reaction (PCR).

Abstract: The present disclosure relates to a high energy density lithium secondary battery having significantly improved high-temperature storage characteristics and lifespan characteristics, which are problematic when a silicon-based negative electrode active material is applied. Specifically, a lithium secondary battery according to an exemplary embodiment includes a positive electrode; a negative electrode facing the positive electrode and including a silicon-based negative electrode active material; and a non-aqueous electrolyte containing a non-aqueous organic solvent including a di-fluoro-based organic solvent and a lithium salt, wherein a content of the di-fluoro-based organic solvent is 5 to 20 vol % with respect to a total volume of the non-aqueous organic solvent.

Abstract: A method for providing a positioning service according to the present invention provides a positioning service by dividing a service space into a plurality of zones and hierarchically constructing a radio map, wherein a layered radio map is constructed by indexing a communication signal information measured by a measurement terminal at each reference position in each zone divided by layer with respect to one service space, and a similarity between the communication signal information received from a user terminal and the indexing information is calculated so as to search for a zone where the user terminal is located.

Abstract: The present disclosure provides a grinding wheel for grinding, configured such that a fiber-reinforced plastic (FRP) layer in a wheel outer peripheral part located on the outer surface of a wheel central part is provided at a position and thickness that vary depending on the type of weaving pattern layer, thereby exhibiting superior mechanical properties and superior vibration/shock absorption and offsetting effects compared to conventional grinding wheels, so problems such as cracking and fatigue failure due to burning do not occur, and the quality and productivity of processed products can be improved. Moreover, the grinding wheel is lighter in weight than conventional grinding wheels, and when an abrasive part is completely consumed, it can be replaced with a new abrasive part through removable attachment thereof, whereby the wheel outer peripheral part (wheel body) can be reused continuously, and the exchange time and the amount of tool wear can be reduced.

Abstract: Disclosed are a display device and a method of manufacturing the display device. The display device includes a display panel on which a plurality of sub-pixels and lines connected to the sub-pixels and a driving circuit configured to drive the sub-pixels. The display panel further includes a plurality of protruded bank patterns disposed in the sub-pixels, and a light emitting element disposed in each of the bank patterns. The light emitting element includes a first electrode, a second electrode, a light emitting layer disposed between the first electrode and the second electrode, and a reflector that covers side surfaces of the light emitting layer and at least a portion of side surfaces of the first electrode. The reflector includes a first insulating layer, a second insulating layer, and a metal layer disposed between the first insulating layer and the second insulating layer.

Abstract: A multilayer electronic component includes a body having a first internal electrode, a second internal electrode, and a first auxiliary electrode and a second auxiliary electrode spaced apart from each other, in which the first internal electrode and the second internal electrode are alternately arranged with the first and second auxiliary electrode layers interposed therebetween; a first external electrode connected to the first internal electrode and the first auxiliary electrode; and a second external electrode connected to the second internal electrode and the second auxiliary electrode, in which at least a portion of the first internal electrode overlaps the second auxiliary electrode, and at least a portion of the second internal electrode overlaps the first auxiliary electrode.