Abstract: A hybrid vehicle transmission includes input and output shafts, first and second motor/generators, a first planetary gear train in which one rotary element of three rotary elements is connected to the input shaft and another thereof is connected to the first motor/generator, a second planetary gear train in which one of three rotary elements is connected to the output shaft and another thereof is connected to the second motor/generator, a first external gear pair consisting of a first gear, connected to a remaining rotary element of the first planetary gear train, and a second gear, connected to a remaining rotary element of the second planetary gear train, and a second external gear pair consisting of a third gear, connected to the input shaft, and a fourth gear directly connected to one rotary element of the second planetary gear train.

Abstract: The present disclosure relates to a silicon-based fusion composition used for a solution growth method for forming a silicon carbide single crystal, and represented by the following Formula 1, including silicon, a first metal (M1), scandium (Sc) and aluminum (Al): SiaM1bSccAld??(Formula 1) wherein a is more than 0.4 and less than 0.8, b is more than 0.2 and less than 0.6, c is more than 0.01 and less than 0.1, and d is more than 0.01 and less than 0.1.

Abstract: An optical measuring method includes generating a Bessel beam, filtering the Bessel beam to generate a focused Bessel beam, vertically irradiating the focused Bessel beam onto a substrate in which an opening is formed, and detecting light reflected from the substrate to obtain an image of a bottom surface of the opening.

Abstract: An oil circuit includes an oil pan in which oil is stored, an oil supply line extending from the oil pan, a cooling oil supply line branched from the oil supply line and connected to the dual clutch of the dual clutch transmission, a lubricating oil supply line branched from the oil supply line and connected to the gearbox of the dual clutch transmission, a distribution valve disposed in the oil supply line and configured to distribute the oil to the cooling oil supply line and the lubricating oil supply line, and an oil pump configured to pump the oil from the oil pan, and a control device configured to control an operation of the oil pump and to control an opening degree of the distribution valve.

Abstract: A method of testing can include providing a first beam having a first focal length and a second beam having a second focal length that is less than the first focal length to a stage region to provide a first reflected beam and a second reflected beam from the stage region. The first reflected beam can be detected among the first reflected beam and the second reflected beam reflected from the stage region. The second reflected beam can be detected among the first reflected beam and the second reflected beam reflected from the stage region. A first image can be generated from the first reflected beam and a second image can be generated from the second reflected beam. The first image and the second image can be combined to provide a 3D image.

Abstract: A silicon-based molten composition according to an exemplary embodiment is used for a solution growth method for forming a silicon carbide single crystal, and represented by Formula 1 including silicon (Si), a first metal M1, a second metal M2 and a third metal M3, wherein the first metal M1 is one or more selected from the group consisting of nickel (Ni) and manganese (Mn), the second metal M2 is one or more selected from the group consisting of scandium (Sc) and titanium (Ti), and the third metal M3 is one or more selected from the group consisting of aluminum (Al) and gallium (Ga): SiaM1bM2cM3d??Formula 1 wherein a is 0.3 to 0.8, b is 0.1 to 0.5, c is 0.01 to 0.3, d is 0.01 to 0.2, and a+b+c+d is 1.

Abstract: The present invention relates to a passive nitrogen injecting device for a nuclear reactor coolant pump, the device comprising: a nitrogen supply unit for supplying nitrogen; a pressure control valve for controlling the supply of nitrogen from the nitrogen supply unit according to pressure; an accumulator for filling the nitrogen supplied through the pressure control valve at a set pressure, and supplying the filled nitrogen in the event that an accident involving coolant loss occurs; and an isolation valve for controlling the supply of the nitrogen from the accumulator into a seal housing of a nuclear reactor coolant pump. The present invention uses an accumulator so as to be able to supply nitrogen by using the pressure in the accumulator without the supply of external power in the event of an accident involving coolant loss, and therefore has the effect of being able to improve safety.

Abstract: A method of testing can include providing a first beam having a first focal length and a second beam having a second focal length that is less than the first focal length to a stage region to provide a first reflected beam and a second reflected beam from the stage region. The first reflected beam can be detected among the first reflected beam and the second reflected beam reflected from the stage region. The second reflected beam can be detected among the first reflected beam and the second reflected beam reflected from the stage region. A first image can be generated from the first reflected beam and a second image can be generated from the second reflected beam. The first image and the second image can be combined to provide a 3D image.

Abstract: An optical measuring method includes generating a Bessel beam, filtering the Bessel beam to generate a focused Bessel beam, vertically irradiating the focused Bessel beam onto a substrate in which an opening is formed, and detecting light reflected from the substrate to obtain an image of a bottom surface of the opening.

Abstract: A hybrid vehicle transmission includes input and output shafts, first and second motor/generators, a first planetary gear train in which one rotary element of three rotary elements is connected to the input shaft and another thereof is connected to the first motor/generator, a second planetary gear train in which one of three rotary elements is connected to the output shaft and another thereof is connected to the second motor/generator, a first external gear pair consisting of a first gear, connected to a remaining rotary element of the first planetary gear train, and a second gear, connected to a remaining rotary element of the second planetary gear train, and a second external gear pair consisting of a third gear, connected to the input shaft, and a fourth gear directly connected to one rotary element of the second planetary gear train.

Abstract: The present invention relates to a silicon-based molten composition for forming a SiC single crystal by a solution method, the composition containing silicon, carbon, and a metal satisfying 0.70?Csisol?1.510 with respect to a solubility parameter (Csisol) defined by the following Equation (1): Csisol=A?B+?1??2??Equation (1) wherein, A is first energy (A) of a first evaluation lattice containing silicon atoms, carbon atoms, and metal atoms, in a silicon crystal lattice containing the metal and the carbon; B is second energy (B) of a second evaluation lattice containing silicon atoms and metal atoms, in a silicon crystal lattice containing the metal; ?1 is ?5.422 as a constant value, and ?2 is ?9.097 as a constant value.

Abstract: An oil circuit includes an oil pan in which oil is stored, an oil supply line extending from the oil pan, a cooling oil supply line branched from the oil supply line and connected to the dual clutch of the dual clutch transmission, a lubricating oil supply line branched from the oil supply line and connected to the gearbox of the dual clutch transmission, a distribution valve disposed in the oil supply line and configured to distribute the oil to the cooling oil supply line and the lubricating oil supply line, and an oil pump configured to pump the oil from the oil pan, and a control device configured to control an operation of the oil pump and to control an opening degree of the distribution valve.

Abstract: A semiconductor device inspecting apparatus includes a light source for emitting light to a semiconductor pattern. The semiconductor pattern includes a structure that reflects the light from the light source. The semiconductor device inspecting apparatus further includes an objective optical system disposed in a path of the reflected light from the semiconductor pattern, and a first noise filter disposed in a path of the reflected light having passed through the objective optical system, the first noise filter including at least one bar pattern that filters a diffraction noise of the light. The semiconductor device inspecting apparatus additionally includes a second noise filter disposed in a path of the filtered light from the first noise filter, the second noise filter including an outer frame surrounding a central portion. The semiconductor device inspecting apparatus further includes a first photodetector detecting the light having passed through the second noise filter.

Abstract: A fireproof board and a method of manufacturing the fireproof board are provided. The fireproof board may include a first aggregate using a shell containing lime, a second aggregate containing silicon, and a binder to bind the first aggregate and the second aggregate. The fireproof board may further include an admixture to mix the first aggregate and the second aggregate. The admixture may be a water-reducing agent, and polycarboxylate may be used as an admixture.

Abstract: The present invention relates to a passive nitrogen injecting device for a nuclear reactor coolant pump, the device comprising: a nitrogen supply unit for supplying nitrogen; a pressure control valve for controlling the supply of nitrogen from the nitrogen supply unit according to pressure; an accumulator for filling the nitrogen supplied through the pressure control valve at a set pressure, and supplying the filled nitrogen in the event that an accident involving coolant loss occurs; and an isolation valve for controlling the supply of the nitrogen from the accumulator into a seal housing of a nuclear reactor coolant pump. The present invention uses an accumulator so as to be able to supply nitrogen by using the pressure in the accumulator without the supply of external power in the event of an accident involving coolant loss, and therefore has the effect of being able to improve safety.

Abstract: The present invention relates to an outlet nozzle of a nuclear reactor. More specifically, in the outlet nozzle of a nuclear reactor which is provided to a reactor vessel and into which the coolant discharged from the nozzle of a structure in the reactor is introduced, the outlet nozzle of a nuclear reactor has an inclination part formed at one side of the outlet nozzle such that the inclination part is inclined at a predetermined angle from the outside end to the inside thereof.

Abstract: In a method of detecting a defect of a substrate, a first light having a first intensity may be irradiated to a first region of the substrate through a first aperture. A defect in the first region may be detected using a first reflected light from the first region. A second light having a second intensity may be irradiated to a second region of the substrate through a second aperture. A defect in the second region may be detected using a second reflected light from the second region. Thus, the defects by the regions of the substrate may be accurately detected.

Abstract: In a method of detecting a defect of a substrate, a first light having a first intensity may be irradiated to a first region of the substrate through a first aperture. A defect in the first region may be detected using a first reflected light from the first region. A second light having a second intensity may be irradiated to a second region of the substrate through a second aperture. A defect in the second region may be detected using a second reflected light from the second region. Thus, the defects by the regions of the substrate may be accurately detected.

Abstract: A method of preparing a three-dimensional graphene structure, and a graphene structure prepared by the method are provided. The method includes preparing a dispersion in which a graphite oxide is dispersed, and preparing a gel by controlling a degree of reduction of the dispersion. The method can be useful in providing a three-dimensional graphene structure having a specific surface area, a pore size or a volume per unit mass, which is suitable for the field of applications thereof.

Abstract: An apparatus for parking control of an automatic transmission vehicle may include a speed detector that provides a controller with a vehicle speed, a shift lever detector that provides the controller with a position of a shift lever, the controller that analyses the vehicle speed and the position of the shift lever, and supplies a predetermined hydraulic pressure to brake elements and clutch elements in order to create drag on a parking gear shaft in conversion into a parking mode, and an actuator that supplies the hydraulic pressure to the clutch elements and the brake elements or discharges the hydraulic pressure from the clutch elements and the brake elements according to the control of the controller.