Abstract: A hydrogen compression system includes: a heat pump part including a heat pump line configured to allow a refrigerant to circulate therethrough, a hydrogen compression part configured to compress hydrogen by being repeatedly heated and cooled, a first circulation line connected to the heat pump line while passing through the hydrogen compression part and configured to allow the refrigerant introduced from the heat pump line to circulate therethrough, a second circulation line provided to pass through the hydrogen compression part and configured to allow a cooling fluid to circulate therethrough, and a cooling unit provided in the second circulation line and configured to cool the cooling fluid, in which the hydrogen compression part is heated by the refrigerant or cooled by the cooling fluid, thereby minimizing electric power consumption and improving energy efficiency.

Abstract: A hydrogen storage device includes a storage container having an accommodation space in an interior thereof, a first metal hydride material provided in the interior of the storage container and that stores hydrogen, and a second metal hydride material provided in the interior of the storage container and that stores the hydrogen at a pressure that is different from that of the first metal hydride material. An advantageous effect of restraining an excessive rise of a pressure of the storage container and enhancing safety and reliability may be obtained.

Abstract: Disclosed is a method for quantifying a breast composition performed by a computing device according to an exemplary embodiment. The method may further include: acquiring an ultrasound image; identifying a breast region in the ultrasound image; identifying a fibro-glandular tissue region in the ultrasound image; and quantifying at least one of a breast tissue component or a glandular tissue component based on the identified breast region and the identified fibro-glandular tissue region.

Abstract: A printed circuit board includes a substrate having first and second external portions opposite to each other in a length direction, a first insulating layer disposed on an upper side of the substrate, a second insulating layer disposed on a lower side of the substrate, a first insulating material covering at least a portion of the first external portion of the substrate, and a second insulating material covering at least a portion of the second external portion of the substrate. The first and second insulating layers respectively have a coefficient of thermal expansion higher than that of the substrate. The first and second insulating materials respectively have a coefficient of thermal expansion lower than that of the substrate.

Abstract: A hydrogen storage composite material includes: a graphene oxide framework provided as a porous structure and having an average pore diameter of 1 to 2 nm; and the graphene oxide framework is impregnated with a metal hydride, the graphene oxide framework comprises: a graphene oxide; and a linker connecting the graphene oxide.

Abstract: The present invention relates to a catalyst for converting diesel and kerosene, which are increasingly likely to be not utilized, into basic chemical raw materials, and a method for producing the catalyst, and the catalyst is a catalyst containing a porous zeolite having pores; and phosphorus (P) supported in internal pores of the zeolite and on a surface of the zeolite, wherein the amount of Lewis acid sites in the phosphorus-supported zeolite is 20 to 100 ?mol/g, and the catalyst is used for producing a basic chemical raw material through catalytic cracking of a hydrocarbon feed having a boiling point of 150° C. or higher and 550° C. or lower.

Abstract: A method for preparing hydrogen gas includes a decomposition step, a first adsorption step, a second adsorption step, a first regeneration step, a third heat-exchange step, and a second regeneration step.

Abstract: A composite electronic component includes a ceramic electronic component including a body, comprising a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode; and an interposer including a substrate, disposed below the body, and a connection electrode disposed on the substrate and connected to the external electrode by a connection member. The external electrode includes a first electrode layer including metal particles and an insulating resin.

Abstract: The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has an absolute value of b* value in a CIE Lab color space of 4 or less, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.

Abstract: The present disclosure relates to an anti-reflective film comprising: a hard coating layer; and a low refractive index layer, wherein a particle-mixed layer containing both hollow inorganic nanoparticles and solid inorganic nanoparticles and having a thickness of 1.5 nm to 22 nm exists in the low refractive index layer, and wherein the anti-reflective film has a ratio of the reflectance at a wavelength of 400 nm to the reflectance at a wavelength of 550 nm of 1.3 to 2.7, and a polarizing plate, a display device, and an organic light emitting diode display device comprising the anti-reflective film.

Abstract: An optical laminate or a reddening-resistant layer. The optical laminate that does not cause a reddening phenomenon even when driven or maintained under extremely harsh conditions (e.g., very high temperature conditions), or a reddening-resistant layer applied thereto.

Abstract: An independent steering control system includes independent steering systems steer wheels and a controller configured for determining a level of fault of each of the independent steering systems. When at least one independent steering system among the independent steering systems is determined to be completely unsteerable, the controller is configured to perform fault tolerant steering by changing steering angles of remaining independent steering systems among the independent steering systems determined to be normal.

Abstract: A ceramic electronic component includes a body including a dielectric layer and first and second internal electrodes alternately disposed with the dielectric layer interposed therebetween, and including first and second surfaces opposing each other in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction; a first band electrode disposed on a portion of the first surface adjacent to the third surface; a second band electrode disposed on another portion of the first surface adjacent to the fourth surface; and insulating members disposed between the first and second band electrodes disposed on the first surface and spaced apart from each other, wherein the first surface is exposed through a space between the plurality of insulating members.

Abstract: An apparatus for assembling a solid hydrogen storage system includes a lower support installed to support a lower side of material blocks to be assembled, split covers assembled in multiple stages on an upper side of the lower support and forming therein a closed space in which the material blocks are capable of being assembled, the split covers being configured to be separated in a horizontal direction, and gas injection ports provided in the split covers to inject an inert gas into an inner space of the split covers.

Abstract: The present disclosure relates to an anti-reflective film capable of realizing high scratch resistance and anti-fouling property simultaneously while having low reflectance and high light transmittance deviation, and further capable of enhancing screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same.

Abstract: A fuel storage system and a method for detecting a remaining amount of fuel are provided. The fuel storage system may include a storage vessel which accommodates fuel including a solid material and gaseous hydrogen, one or more sensors that measure a first temperature in the storage vessel and a first internal pressure of the storage vessel, a controller that predicts a first remaining amount of the fuel based on the first temperature and the first internal pressure and based on a relationship among different values of temperature, different values of equilibrium pressure, and different values of remaining amounts of the fuel as measured by the one or more sensors at different times, and a display that displays the predicted first remaining amount of the fuel.

Abstract: The present disclosure relates to a cover window for a flexible display device comprising: a light-transmitting substrate; and a first hard coating layer and a second hard coating layer which are formed on both sides of the light-transmitting substrate, respectively, wherein each of the first hard coating layer and the second hard coating layer has IR spectra in which a ratio of the amide C?O peak to the ester C?O peak is in a predetermined range, and a flexible display device including the cover window for a flexible display device.

Abstract: The present disclosure relates to an anti-reflective film capable of simultaneously realizing high scratch resistance and antifouling property, and increasing a screen sharpness of a display apparatus, a polarizing plate and a display apparatus including the same.

Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes alternately disposed with the dielectric layer interposed therebetween, the body having first and second surfaces opposing each other in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction, and first and second external electrodes respectively disposed on the third and fourth surfaces, and a ceramic chip including a ceramic substrate and first and second terminal electrodes disposed on the ceramic substrate and respectively connected to the first and second external electrodes, the ceramic chip disposed on the first surface of the body. The ceramic substrate includes Mg2SiO4.

Abstract: A joining structure for a suspension includes a lower arm fastened at a first end portion thereof to a vehicle body, a fixed knuckle at which a strut portion is located, a rotary knuckle located inside the fixed knuckle and fastened to a wheel to be rotatable about the fixed knuckle, a fastening unit fastened to the first end portion of the lower arm and a lower end portion of the fixed knuckle, a steering input portion located at the fixed knuckle and applying a steering force to the rotary knuckle during steering, and a tie rod fastened between the fixed knuckle and the vehicle body.