Abstract: An aircraft assembly system includes a jig; and a position adjuster connected to the jig and configured to adjust a position of the jig, wherein the jig includes a ball stud between the jig and the position adjuster, and the position adjuster includes a socket in which at least a portion of the ball stud is accommodated and in which the ball stud is rotatably fastened.

Abstract: Provided is a wastewater purification method, the method including: supplying a first mixed stream, in which an acid component and wastewater including water, a nitrile-based monomer, and ammonia are mixed, to a first column; recovering the nitrile-based monomer from an upper discharge stream from the first column; supplying a second mixed stream, in which a lower discharge stream from the first column and a base component are mixed, to a second column; and recovering the ammonia from an upper discharge stream from the second column and separating purified wastewater.

Abstract: In an assembly system of an aircraft including a fuselage and a wing, the aircraft assembly system may include: a jig unit coupled to the wing to move integrally with the wing; a transfer unit connected to the jig unit and transferring the wing toward the fuselage; a position adjusting unit detachably connected to the jig unit and adjusting a position of the jig unit; and a measuring unit configured for measuring positions of the fuselage and the wing, wherein the fuselage may be relatively fixed to the movement of the wing, wherein the measuring unit may be configured to set a fuselage coordinate system and a wing coordinate system for the fuselage and the wing, respectively, wherein the position adjusting unit may be configured to move the jig unit so that the wing coordinate system coincides with the fuselage coordinate system.

Abstract: A method and system for delivering notifications to electronic devices is disclosed. The method includes receiving, by an electronic device, one or more settings, the settings including an instruction to search for available notification services. The method further includes searching, in response to the instruction, for available notification services, and subscribing to at least one notification service discovered as a result of the search. The method further includes displaying, by the electronic device, notification messages received from the at least one notification service.

Abstract: A bio-filter system is disclosed. The disclosed bio-filter system comprises: a transfer pipe for collecting and transferring N2O generated in any one tank from among an anaerobic tank, an anoxic tank, and an aeration tank; a bio-filter unit including a carrier for removing, by means of microbial reaction, the N2O discharged from the transfer pipe; and a sewage supply member for spraying sewage into the carrier in order to provide nourishment for microorganisms to the carrier.

Abstract: Provided is a venting system of a pouch type lithium secondary battery. According to an exemplary embodiment of the present invention, the venting system of a pouch type lithium secondary battery includes a venting device that controls opening and closing of a passage communicating an internal pressure of a pouch to discharge gas from an inner portion of the pouch.

Abstract: An apparatus and method for a mobile terminal including a display unit to safely convey notifications or alerts to a user of the mobile terminal are provided. The mobile terminal includes a display unit for safely conveying notifications or alerts to a user of the mobile terminal, the mobile terminal comprising, a cellular band transceiver for transmitting and receiving Radio Frequency (RF) signals in a cellular band, a controller for controlling operations of the mobile terminal, at least one sensor for one or more criteria, and a hazardous condition determining unit for determining a hazardous condition exists according to the sensed one or more criteria.

Abstract: A method and system for delivering notifications to electronic devices is disclosed. The method includes receiving, by an electronic device, one or more settings, the settings including an instruction to search for available notification services. The method further includes searching, in response to the instruction, for available notification services, and subscribing to at least one notification service discovered as a result of the search. The method further includes displaying, by the electronic device, notification messages received from the at least one notification service.

Abstract: A virtual reality apparatus comprising: i) a plurality of sensors for detecting objects in the vicinity of a user of the virtual reality apparatus; and ii) a controller coupled to the plurality of sensors and configured to determine that an object has been detected. The controller determines a direction of the detected object with respect to the user. The controller generates a glowing region in a virtual reality image being viewed by the user. The location of the glowing region in the virtual reality image notifies the user of the direction of the detected object. The controller generates an audible notification in response to detection of the detected object and determines a distance of the detected object with respect to the user.

Abstract: A virtual reality apparatus comprising: i) a plurality of sensors for detecting objects in the vicinity of a user of the virtual reality apparatus; and ii) a controller coupled to the plurality of sensors and configured to determine that an object has been detected. The controller determines a direction of the detected object with respect to the user. The controller generates a glowing region in a virtual reality image being viewed by the user. The location of the glowing region in the virtual reality image notifies the user of the direction of the detected object. The controller generates an audible notification in response to detection of the detected object and determines a distance of the detected object with respect to the user.

Abstract: Disclosed is a method for manufacturing precision parts through hot isostatic pressing using a metal core manufactured through metal rapid prototyping to manufacture a turbine blisk for driving a turbo pump of a liquid rocket. The method includes: manufacturing a metal core that has an internal vacant space having the same shape as the precision parts, using rapid prototyping; putting the metal core in a housing; filling an inside of the housing with heat resistant steel powder and creating a vacuum state in the housing; treating the housing under high temperature and pressure to produce heat resistant steel; removing the housing and a portion of the heat resistant steel to expose a portion of the metal core; performing etching to remove the exposed metal core; and removing only a portion of the heat resistant steel through mechanical machining, wherein the remaining portion corresponds to the shape of the precision part.

Abstract: Provided is a venting system of a pouch type lithium secondary battery. According to an exemplary embodiment of the present invention, the venting system of a pouch type lithium secondary battery includes a venting device that controls opening and closing of a passage communicating an internal pressure of a pouch to discharge gas from an inner portion of the pouch.

Abstract: An apparatus and method for a mobile terminal including a display unit to safely convey notifications or alerts to a user of the mobile terminal are provided. The mobile terminal includes a display unit for safely conveying notifications or alerts to a user of the mobile terminal, the mobile terminal comprising, a cellular band transceiver for transmitting and receiving Radio Frequency (RF) signals in a cellular band, a controller for controlling operations of the mobile terminal, at least one sensor for one or more criteria, and a hazardous condition determining unit for determining a hazardous condition exists according to the sensed one or more criteria.

Abstract: A continuous butt welding method using plasma and laser, and a method for fabricating a metal tube using the butt welding method are disclosed. The butt welding method conducts a laser welding and a plasma welding together against an object to be welded, which has a very narrow butt space. In particular, the plasma is prior to the laser so that the object is preheated by the plasma, and then a preform is melted by a laser beam in order to accomplish the major welding. In addition, a metal sheet is bent to have a circular section so that its both ends are faced with each other, and then the faced both ends are welded using the aforementioned butt welding method, thereby fabricating a metal tube. The butt welding method and the metal tube fabricating method mentioned above remarkably improve a welding speed and productivity of metal tube.