Abstract: A computed tomography (CT) apparatus includes a gantry including a rotation device which has a ring shape and is rotatable about an axis of rotation, a plurality of light sources configured to emit X-rays to a subject, at least one detector provided on the rotation device and configured to detect X-rays passing through the subject, and one or more processors. The at least one processors are configured to rotate the rotation device in a first rotation direction by an angle of rotation determined based on a total number of the plurality of light sources, emit X-rays to the subject and detect X-rays passing through the subject during the rotation of the rotation device in the first rotation direction, and rotate the rotation device by the determined rotation angle in a second rotation direction.

Abstract: A computed tomography (CT) apparatus according to various embodiments may include a gantry including a first rotation device, a second rotation device and a third rotation device which have a ring shape, share an axis of rotation, and are rotatable independently of one another, a plurality of first light sources provided on the first rotation device at regular intervals and configured to emit X-rays to a subject, a plurality of second light sources provided on the second rotation device at regular intervals and configured to emit X-rays to the subject, a detector provided on a region of the third rotation device and configured to detect X-rays passing through the subject, and one or more processors.

Abstract: A computed tomography (CT) apparatus includes a gantry with a first rotation device and a second rotation device, a plurality of light sources configured to emit X-rays to a subject, a detector configured to detect X-rays passing through the subject, and one or more processors. The one or more processors may be configured to rotate the first rotation device in a first rotation direction by an angle of rotation determined based on a total number of the plurality of light sources, emit X-rays to the subject by using at least one of the plurality of light sources and detect X-rays passing through the subject during the rotation of the first rotation device in the first rotation direction, and rotate the first rotation device by the determined angle of rotation in a second rotation direction.

Abstract: A plated steel wire, according to one aspect of the present invention, comprises: a base steel wire; and a zinc alloy plated layer. The zinc alloy plated layer comprises, in percentage by weight: 1.0% to 3.0% of AI; 1.0% to 2.0% of Mg; 0.5% to 5.0% of Fe; and the balance being Zn and unavoidable impurities, and includes a Zn/MgZn2/AI ternary eutectic structure, a Zn single-phase structure, and an Fe—Zn-AI-based crystal structure, wherein the Fe—Zn-AI-based crystal structure is formed adjacent to the base steel wire, and can have an average thickness of ? to ½ with respect to an average thickness of the zinc alloy plated layer.

Abstract: Provided are compositions (which may inks), methods, devices, and systems that are used with 3D printing. The compositions contain fluoropolymer particles, one or more type of a medium, one or more surfactants, and one or more shear thinning agents. The fluoropolymer component can be one or more of polytetrafluoroethylene (PTFE), perfluoroalkoxy, fluorinated ethylene-propylene, and poly ethyl enetetrafluoroethylene. Cartridges that contain the compositions are also provided. Methods of making the compositions, methods of using the compositions for 3D printing, and articles of manufacture, such as medical devices, are also provided.

Abstract: The present disclosure describes a strategy to create self-healing, slippery liquid-infused porous surfaces. Roughened (e.g., porous) surfaces can be utilized to lock in place a lubricating fluid, referred to herein as Liquid B to repel a wide range of materials, referred to herein as Object A (Solid A or Liquid A). Slippery liquid-infused porous surfaces outperforms other conventional surfaces in its capability to repel various simple and complex liquids (water, hydrocarbons, crude oil and blood), maintain low-contact-angle hysteresis (<2.5°), quickly restore liquid-repellency after physical damage (within 0.1-1 s), resist ice, microorganisms and insects adhesion, and function at high pressures (up to at least 690 atm). Some exemplary application where slippery liquid-infused porous surfaces will be useful include energy-efficient fluid handling and transportation, optical sensing, medicine, and as self-cleaning, and anti-fouling materials operating in extreme environments.

Abstract: Disclosed are device implementations for a hybrid energy harvesting device and methods for harvesting mechanical energy from the ambient. The various device implementations utilize a combination of electrostatic energy conversion and piezoelectric energy conversion elements. The method simultaneously converts mechanical energy into electrical charge by electrostatic and piezoelectric energy harvesting. The devices include a piezoelectric harvester including a pair of electrodes and piezoelectric nanocomposite polymer, an electrostatic harvester including an electret film and a pair of electrostatic electrodes.

Abstract: Self-adaptive systems, uses of the systems, and methods for adapting one or more properties of a material are disclosed.

Abstract: A photosensitive body is provided. The photosensitive body includes a photosensitive layer, and a protective layer formed on the photosensitive layer, and the protective layer includes a urethane oligomer acrylate and a modified perfluoropolyether acrylate.

Abstract: The present disclosure describes a strategy to create self-healing, slippery liquid-infused porous surfaces. Roughened (e.g., porous) surfaces can be utilized to lock in place a lubricating fluid, referred to herein as Liquid B to repel a wide range of materials, referred to herein as Object A (Solid A or Liquid A). Slippery liquid-infused porous surfaces outperforms other conventional surfaces in its capability to repel various simple and complex liquids (water, hydrocarbons, crude oil and blood), maintain low-contact-angle hysteresis (<2.5°), quickly restore liquid-repellency after physical damage (within 0.1-1 s), resist ice, microorganisms and insects adhesion, and function at high pressures (up to at least 690 atm). Some exemplary application where slippery liquid-infused porous surfaces will be useful include energy-efficient fluid handling and transportation, optical sensing, medicine, and as self-cleaning, and anti-fouling materials operating in extreme environments.

Abstract: The present disclosure describes a strategy to create self-healing, slippery liquid-infused porous surfaces. Roughened (e.g., porous) surfaces can be utilized to lock in place a lubricating fluid, referred to herein as Liquid B to repel a wide range of materials, referred to herein as Object A (Solid A or Liquid A). Slippery liquid-infused porous surfaces outperforms other conventional surfaces in its capability to repel various simple and complex liquids (water, hydrocarbons, crude oil and blood), maintain low-contact-angle hysteresis (<2.5°), quickly restore liquid-repellency after physical damage (within 0.1-1 s), resist ice, microorganisms and insects adhesion, and function at high pressures (up to at least 690 atm). Some exemplary application where slippery liquid-infused porous surfaces will be useful include energy-efficient fluid handling and transportation, optical sensing, medicine, and as self-cleaning, and anti-fouling materials operating in extreme environments.

Abstract: An X-ray imaging apparatus and method for controlling the X-ray imaging apparatus are provided. The X-ray imaging apparatus includes an X-ray source configured to generate and emit X-rays onto an object, an X-ray detector configured to detect the X-rays transmitted through the object and convert the X-rays into an electrical signal, a heating portion located at an upper portion of the X-ray detector configured to contact a lower part of the object, a heat transfer portion configured to transfer heat produced in the X-ray source to the heating portion, and a thermal insulation member located between the X-ray detector and the heating portion configured to block heat from being transferred to the X-ray detector.

Abstract: A photosensitive body is provided. The photosensitive body includes a photosensitive layer, and a protective layer formed on the photosensitive layer, and the protective layer includes a urethane oligomer acrylate and a modified perfluoropolyether acrylate.

Abstract: The present disclosure describes a strategy to create self-healing, slippery liquid-infused porous surfaces. Roughened (e.g., porous) surfaces can be utilized to lock in place a lubricating fluid, referred to herein as Liquid B to repel a wide range of materials, referred to herein as Object A (Solid A or Liquid A). Slippery liquid-infused porous surfaces outperforms other conventional surfaces in its capability to repel various simple and complex liquids (water, hydrocarbons, crude oil and blood), maintain low-contact-angle hysteresis (<2.5°), quickly restore liquid-repellency after physical damage (within 0.1-1 s), resist ice, microorganisms and insects adhesion, and function at high pressures (up to at least 690 atm). Some exemplary application where slippery liquid-infused porous surfaces will be useful include energy-efficient fluid handling and transportation, optical sensing, medicine, and as self-cleaning, and anti-fouling materials operating in extreme environments.

Abstract: The present disclosure describes a strategy to create self-healing, slippery liquid-infused porous surfaces. Roughened (e.g., porous) surfaces can be utilized to lock in place a lubricating fluid, referred to herein as Liquid B to repel a wide range of materials, referred to herein as Object A (Solid A or Liquid A). Slippery liquid-infused porous surfaces outperforms other conventional surfaces in its capability to repel various simple and complex liquids (water, hydrocarbons, crude oil and blood), maintain low-contact-angle hysteresis (<2.5°), quickly restore liquid-repellency after physical damage (within 0.1-1 s), resist ice, microorganisms and insects adhesion, and function at high pressures (up to at least 690 atm). Some exemplary application where slippery liquid-infused porous surfaces will be useful include energy-efficient fluid handling and transportation, optical sensing, medicine, and as self-cleaning, and anti-fouling materials operating in extreme environments.

Abstract: A document and an Anti-counterfeiting method for use in such documents are described. Said document and Anti-counterfeiting method include introducing a plurality of raised nanoscopic to microscopic structures, here referred to as reconfigurable structures, formed over a polymer substrate to induce optical changes, such as structural color and/or optical fuzziness. Dynamic changes using liquids provide the anti-counterfeiting measures.

Abstract: The present disclosure describes a strategy to create self-healing, slippery liquid-infused porous surfaces (SLIPS). Roughened (e.g., porous) surfaces can be utilized to lock in place a lubricating fluid, referred to herein as Liquid B to repel a wide range of materials, referred to herein as Object A (Solid A or Liquid A). SLIPS outperforms other conventional surfaces in its capability to repel various simple and complex liquids (water, hydrocarbons, crude oil and blood), maintain low-contact-angle hysteresis (<2.5°), quickly restore liquid-repellency after physical damage (within 0.1-1 s), resist ice, microorganisms and insects adhesion, and function at high pressure (up to at least 690 atm). Some exemplary application where SLIPS will be useful include energy-efficient fluid handling and transportation, optical sensing, medicine, and as self-cleaning, and anti-fouling materials operating in extreme environments.

Abstract: An X-ray imaging apparatus includes an X-ray generator configured to emit X-rays to a subject; an X-ray detection panel including a plurality of light receiving elements each configured to receive X-rays that have passed through the subject, convert the X-rays into an electric signal, and output the electric signal, and a plurality of capacitor modules respectively corresponding to the plurality of light receiving elements, each of the plurality of capacitor modules including a plurality of capacitors connected to a corresponding one of the light receiving elements and configured to store the electric signal output from the corresponding light receiving element in at least one capacitor of the plurality of capacitors; and an image processor configured to read out the electric signal stored in the at least one capacitor of each of the plurality of capacitor modules to generate at least one X-ray image.

Abstract: Disclosed herein are an X-ray imaging apparatus for optimizing radiography conditions upon radiography, and a control method thereof. The X-ray imaging apparatus includes: an input device configured to receive information about a patient; and a controller configured to conduct a search for a previously obtained X-ray image related to the information about the patient and a previously set radiography condition related to the information about the patient, and to set a radiography condition for a main-shot based on a result of the search.

Abstract: An X-ray imaging apparatus and control method for the X-ray imaging apparatus are provided. The X-ray imaging apparatus includes an X-ray source configured to generate and emit X-rays having a preset broadband, an X-ray detector including a plurality of raw pixels configured to detect an average of ten photons or less in response to the X-rays which are emitted and convert the detected photons into an electrical signal, and an image processor configured to produce a plurality of single-energy images corresponding respectively to a plurality of preset energy bands by separating the plurality of raw pixels for each of the plurality of preset energy bands based on the electrical signal, and to produce a multi-energy image using the single-energy images.