Abstract: The present disclosure provides a wire rod for cold heading that can shorten the spheroidizing heat treatment time, processed products using the same, and manufacturing method thereof. A wire rod for cold heading according to an embodiment of present disclosure includes, in percent (%) by weight of the entire composition, C: 0.15 to 0.5%, Si: 0.1 to 0.4%, Mn: 0.3 to 1.5%, Cr: 0.1 to 1.5%, Al: 0.02 to 0.05%, N: 0.004 to 0.02%, at least one selected from the group consisting of Nb: 0.001 to 0.03%, V: 0.01 to 0.3%, Mo: 0.01 to 0.5%, Ti: 0.001 to 0.03%, and the remainder of iron (Fe) and other inevitable impurities, and the microstructure has a long and short axis ratio of cementite present in pearlite colonies of 200:1 or less.

Abstract: A connector includes a header unit including a first header connection terminal, a base having a first width, and a first partition wall connected to a first end of the base and having a second width larger than the first width. The connector further includes a socket including a first socket connection terminal corresponding to the first header connection terminal. The socket is electrically connected to the header unit through the first socket connection terminal.

Abstract: A tool strip mark generator capable of measuring applied force includes: a bottom surface on which at least a portion of a target surface made of a material capable of generating a tool strip mark, which is a tool-scraped stripe, is formed; a rotating member configured to be rotatable in a state of being spaced apart from the bottom surface; a moving member movable on the bottom surface by laterally coupling the rotating member to a coupling portion; a force sensor attached to one side of an outer peripheral surface of the rotating member and sensing force which is applied when a tool strip mark is generated on the target surface by inserting the tool; a measurer configured to measure an output signal of the force sensor and calculate information about the applied force; and a display configured to display information about the applied force calculated by the measurer.

Abstract: Disclosed are a non-quenched and tempered wire rod and a manufacturing method therefor, the non-quenched and tempered wire rod comprising in percentage by weight: 0.15 to 0.30% of C; 0.05 to 0.3% of Si; 1.0 to 2.0% of Mn; 0.5% of less of Cr (except for 0%); 0.02% or less of P; 0.02% or less of S; 0.01 to 0.05% of sol. Al; 0.005 to 0.02% of Nb; 0.05 to 0.2% of V; 0.01% or less of N; Fe as the remainder; and unavoidable impurities, wherein the non-quenched and tempered wire rod satisfies the following formulas 1 and 2, wherein, when the hardness of the wire rod measured in ½d position and in ¼d position in the diameter direction of the wire rod is Hv,1/2d(Hv) and Hv,1/4d(Hv), respectively (here, d is the diameter of the wire). (Hv,1/2d+Hv,1/4d)/2?240??[Formula 1] Hv,1/2d/Hv,1/4d?1.

Abstract: A tool strip mark generator capable of measuring applied force includes: a bottom surface on which at least a portion of a target surface made of a material capable of generating a tool strip mark, which is a tool-scraped stripe, is formed; a rotating member configured to be rotatable in a state of being spaced apart from the bottom surface; a moving member movable on the bottom surface by laterally coupling the rotating member to a coupling portion; a force sensor attached to one side of an outer peripheral surface of the rotating member and sensing force which is applied when a tool strip mark is generated on the target surface by inserting the tool; a measurer configured to measure an output signal of the force sensor and calculate information about the applied force; and a display configured to display information about the applied force calculated by the measurer.

Abstract: According to the present disclosure, a method of calculating an angle of impact of a bloodstain is performed by a device for calculating an angle of impact of a bloodstain and includes obtaining a captured image of an analysis target by using a camera, extracting a spatter stain included in the analysis target, by analyzing the obtained captured image, calculating a major axis length and a minor axis length of the spatter stain, estimating an angle of impact of the spatter stain by using the major axis length and the minor axis length of the spatter stain, and outputting the spatter stain and the angle of impact of the spatter stain.

Abstract: A temperature and humidity chamber type apparatus for taking potential impact marks according to an embodiment includes: a specimen treated with an amino acid reaction reagent to react with potential impact marks to take the potential impact marks; a chamber in which a receiving space for receiving the specimen is secured; a door for opening and closing the chamber; a supporter formed in the receiving space to receive the specimen; an adjuster for adjusting temperature and humidity in the chamber within a set application time range to take the potential impact marks; a display unit attached to one side of the outside of the chamber to display an operation state in the chamber; a power source; a controller for controlling setting of temperature, humidity, and an application time in the chamber; and an input unit in which the controller operates according to a user's input.

Abstract: The present invention relates to a novel spiroquinone derivative compound, a production method thereof, and a pharmaceutical composition for preventing or treating neurological disorders which contains the compound as an active ingredient.

Abstract: Disclosed is a multi-axially variable detection module of a PET apparatus, the detection module including: a gantry having a through-hole extending from a side to an opposite side of the gantry; a detection module in which a plurality of detectors for detecting gamma rays emitted from a subject are arranged annularly along an inner circumference of the gantry; and a driving means for moving the plurality of detectors constituting the detection module in a radial direction of the detection module, wherein each of the plurality of detectors is rotatable in a longitudinal direction of the detection module to vary a length thereof in the longitudinal direction, and each of the plurality of detectors include multiple detector elements which are engaged with each other in a hinged manner in a transverse direction (circumferential direction) of the detection module to form a flat or an arc shape.

Abstract: According to the present disclosure, a method of calculating a formation time of a perimeter stain is performed by a device for calculating a formation time of a perimeter stain, and includes obtaining a captured image of an analysis target by using a camera, extracting an image of a perimeter stain included in the analysis target, by analyzing the obtained captured image, calculating a major axis length and a width of the perimeter stain, estimating a formation time of the perimeter stain by using the major axis length and the width of the perimeter stain, and outputting the image of the perimeter stain and the formation time of the perimeter stain.

Abstract: A fluorescence lifetime measurement apparatus according to an embodiment of the present invention includes an illumination light generation unit that generates illumination light, a fluorescence photon detection unit that collects fluorescence photons generated by illuminating a sample including fluorescent molecules with the illumination light, a conversion unit that converts the collected fluorescence photons into a first clock signal and converts illumination light that does not pass through the sample into a second clock signal, a first module that analyzes a fluorescence lifetime of the collected fluorescence photons from the conversion unit, a control unit that designates a range of interest (ROI) of the sample from the first module, and a second module that analyzes a fluorescence lifetime of fluorescence photons corresponding to the ROI.

Abstract: According to an embodiment, a method of determining tool mark identity using machine learning may include: obtaining surface height data of at least two tool strip marks by photographing tool strip marks generated using at least two tools with a three-dimensional (3D) microscope; generating a data set by calculating a cross-correlation coefficient for the surface height data of the tool strip marks; separating the data set into a training set for machine learning training and a test set for verifying a machine learning result; performing the machine learning training to determine whether the tool strip marks are identical using the training set; and verifying a result of the machine learning training using the test set.

Abstract: A data receiving circuit may include: a variable delay circuit suitable for generating a delayed strobe signal by delaying a strobe signal; a receiving circuit suitable for sampling data in synchronization with the delayed strobe signal; a phase shift circuit suitable for generating a shifted strobe signal by shifting a phase of the delayed strobe signal; a phase comparison circuit suitable for comparing phases of the data and the shifted strobe signal; and a delay adjusting circuit suitable for adjusting a delay value of the variable delay circuit in response to the phase comparison result of the phase comparison circuit.

Abstract: An apparatus for measuring a three-dimensional shape according to an embodiment of the present invention includes a measurement plane on which a measurement target is mounted, a light source configured to illuminate the measurement target, a lens configured to transmit light emitted from the light source, and an image acquisition means configured to capture an image reflected from a surface of the measurement target. The lens and the image acquisition means are arranged so that a focal region formed by the lens and the image acquisition means may coincide with a plane on which the light forms a shape.

Abstract: A connector includes a header unit including a first header connection terminal, a base having a first width, and a first partition wall connected to a first end of the base and having a second width larger than the first width. The connector further includes a socket including a first socket connection terminal corresponding to the first header connection terminal. The socket is electrically connected to the header unit through the first socket connection terminal.

Abstract: A data receiver circuit may include: a delay circuit suitable for delaying first and second strobe signals and generating delayed first and second strobe signals; a first receiver circuit suitable for sampling data in synchronization with the delayed first strobe signal; a second receiver circuit suitable for sampling the data in synchronization with the delayed second strobe signal; an enable signal generation circuit suitable for generating an enable signal indicating whether the data transitioned; a transition level generation circuit suitable for generating a transition level signal indicating a transition direction of the data; a phase shift circuit suitable for shifting the phase of the delayed first strobe signal by a set degree and generating a shifted first strobe signal; a sampling circuit suitable for sampling the data in synchronization with the shifted first strobe signal and generating a sampling result; and a control logic suitable for changing a delay value of the delay circuit in response to

Abstract: A fluorescence lifetime measurement apparatus according to an embodiment of the present invention includes an illumination light generation unit that generates illumination light, a fluorescence photon detection unit that collects fluorescence photons generated by illuminating a sample including fluorescent molecules with the illumination light, a conversion unit that converts the collected fluorescence photons into a first clock signal and converts illumination light that does not pass through the sample into a second clock signal, a first module that analyzes a fluorescence lifetime of the collected fluorescence photons from the conversion unit, a control unit that designates a range of interest (ROI) of the sample from the first module, and a second module that analyzes a fluorescence lifetime of fluorescence photons corresponding to the ROI.

Abstract: Provided is a blood spatter simulation head model including a housing having the shape of a human head; a reservoir inside the housing and capable of storing blood; an injection tube connected to the reservoir and extending to a lower portion of the housing, the injection tube including an injection opening through which blood is injected; and a weight unit in a lower portion of the housing and supporting the housing.

Abstract: An acousto-optic device capable of increasing a range of a diffraction angle of output light by using a nanostructured acousto-optic medium, and an optical scanner, an optical modulator, a two-dimensional/three-dimensional (2D/3D) conversion stereoscopic image display apparatus, and a holographic display apparatus using the acousto-optic device. The acousto-optic device may include a nanostructured acousto-optic medium formed by at least two different mediums repeatedly alternating with each other, wherein at least one of the at least two different mediums includes an acousto-optic medium. The acousto-optic device having the aforementioned structure may increase the range of a diffraction angle of output light.

Abstract: According to the present disclosure, a method of calculating an angle of impact of a bloodstain is performed by a device for calculating an angle of impact of a bloodstain and includes obtaining a captured image of an analysis target by using a camera, extracting a spatter stain included in the analysis target, by analyzing the obtained captured image, calculating a major axis length and a minor axis length of the spatter stain, estimating an angle of impact of the spatter stain by using the major axis length and the minor axis length of the spatter stain, and outputting the spatter stain and the angle of impact of the spatter stain.