Abstract: A method is provided for selectively recovering and concentrating valuable metal ions using diafiltration and nanofiltration from a solution containing the valuable metal ions and impurity metal ions. It is possible to selectively recover and concentrate valuable metal ions from a solution containing the valuable metal ions and impurity metal ions by the method.

Abstract: A polymeric hollow fiber membrane is provided having a crosslinked selective layer formed by sequentially performing coating of a polymer precursor on a crosslinked polymeric hollow fiber membrane support and thermal condensation and thermal crosslinking thereof, a carbon molecular sieve hollow fiber membrane, methods for producing the same, and methods of separating gases using the same. The polymeric hollow fiber membrane and the carbon molecular sieve hollow fiber membrane each have a thin crosslinked selective layer and excellent plasticization resistance and separation performance. Accordingly, the polymeric hollow fiber membrane and the carbon molecular sieve hollow fiber membrane, each of which has a thin crosslinked selective layer, can be effectively used in the separation of a mixed gas.

Abstract: An apparatus of tilting a seat cushion of a vehicle, includes a tilting motor, a pinion gear, a sector gear, and a tilting link which perform the tilting operation of the seat cushion and exert a binding force in a tilted state of the seat cushion and are provided to be connected to both of one side and the other side of a seat cushion frame, and has two sector gears positioned on left and right sides and connected to each other by a connection bar so that, by strengthening a binding force of the front portion of the seat cushion, it is possible to secure the safety of passengers in the event of a collision.

Abstract: A polymer blend membrane includes a polyether-based copolymer and a polyether polymerized in situ and has high permeability and high selectivity for carbon dioxide. In the polymer blend membrane, the free volume of the polyether-based copolymer is greatly increased, and the adsorption capacity for carbon dioxide is enhanced. Thus, it can have excellent mechanical properties and excellent permeability and selectivity for carbon dioxide.

Abstract: A liquid crystal display panel and a liquid crystal display (LCD) device are discussed. One monochromatic light is transmitted through a liquid crystal layer and converted into white light having a plurality of wavelengths through upper photo conversion layer, thus improving light transmittance of liquid crystal and reducing a change in a screen color. The liquid crystal display panel includes: first substrate over the backlight unit; a liquid crystal layer over the first substrate to transmit the one monochromatic light; a photo conversion layer over the liquid crystal layer for converting the one monochromatic light into white light; a color filter layer over the photo conversion layer for filtering the converted white light to display color; and a second substrate on the color filter layer.

Abstract: A liquid crystal display panel and a liquid crystal display (LCD) device are discussed. One monochromatic light is transmitted through a liquid crystal layer and converted into white light having a plurality of wavelengths through upper photo conversion layer, thus improving light transmittance of liquid crystal and reducing a change in a screen color. The liquid crystal display panel includes: first substrate over the backlight unit; a liquid crystal layer over the first substrate to transmit the one monochromatic light; a photo conversion layer over the liquid crystal layer for converting the one monochromatic light into white light; a color filter layer over the photo conversion layer for filtering the converted white light to display color; and a second substrate on the color filter layer.