Abstract: The present disclosure relates to a cell culture medium composition and a preparation method therefor. By replacing an animal serum with a Spirulina hydrolysate, cell growth can be induced and cell proliferation can be promoted to a level greater than or equal to that of a medium containing an animal serum, while significantly reducing the added amount of animal serum.

Abstract: The present disclosure provides a resource-circulation-type and eco-friendly livestock manure treatment method, and a system for producing algal biomass used therein, the method being capable of: preventing water pollution while allowing livestock liquid fertilizer to be treated on the basis of a biological process; producing algal biomass; and supplying the produced algal biomass to livestock feed and farms.

Abstract: The present invention relates to a method and system for providing language learning services. The method of providing language learning services, according to the present invention, the method may include: activating, in response to receiving an input for acquiring a learning target image through a user terminal, a camera of the user terminal; specifying at least a portion of an image taken by the camera as the learning target image; receiving language learning information for the learning target image from a server; providing the language learning information to the user terminal; and storing, based on a request for storing of the language learning information, the language learning information in association with the learning target image, such that the learning target image is used in conjunction with learning of the language learning information.

Abstract: A method of removing a metal substance in a petrochemical product including: supplying a petrochemical product stream to an incoming tank through a supply pipe, circulating the petrochemical product stream through an incoming tank circulation pipe, and removing a metal substance included in the petrochemical product stream using a magnetic filter; transporting the petrochemical product stream to an outgoing tank through an incoming tank discharge pipe which is branched from the incoming tank circulation pipe and connected to an outgoing tank; circulating the petrochemical product stream through an outgoing tank circulation pipe provided in the outgoing tank and removing the metal substance included in the petrochemical product stream using a magnetic filter; and transporting the petrochemical product stream to a branch pipe branched from the outgoing tank circulation pipe to remove the metal substance using an ion exchange resin filter.

Abstract: A battery mounting structure for a vehicle is provided to include a case having a first internal member that is disposed to be spaced parallel to an upper side of a lower panel of the case and a second internal member that is disposed perpendicular to the first internal member, and configured to accommodate a plurality of battery modules therein using the first internal member and the second internal member. An outer side member is provided in a shape protruding toward the outside on an outer side of the case. The battery modules are disposed in a stacking direction of battery cells that is parallel to a longitudinal direction of the first internal member.

Abstract: A method of manufacture of an integrated circuit packaging system includes: providing a package carrier having a carrier top side; mounting an integrated circuit over the carrier top side; attaching a bottom attachment directly on the integrated circuit; dragging a sandwich connector from the bottom attachment, the sandwich connector having a connector diameter; and attaching a top attachment directly on the sandwich connector, the top attachment wider than the bottom attachment.

Abstract: A method of manufacture of an integrated circuit packaging system includes: providing a package carrier having a carrier top side; mounting an integrated circuit over the carrier top side; attaching a bottom attachment directly on the integrated circuit; dragging a sandwich connector from the bottom attachment, the sandwich connector having a connector diameter; and attaching a top attachment directly on the sandwich connector, the top attachment wider than the bottom attachment.

Abstract: A camera module for a mobile communication terminal enabling to control a focal point, a mobile communication terminal using the same, and a method of controlling the same are provided. The camera module includes a camera housing, a lens provided in the camera housing, an elastic member for elastically supporting the lens in the camera housing, and a lens transformer including a first member supported by the camera housing and a second member supporting the lens, the lens transformer moving the lens together with the second member by generating an attractive force or repulsive force when power is supplied.

Abstract: An input device includes a plurality of strip switches radially disposed on a board, and an adjusting stick movably mounted on the board at a central location of the radially disposed strip switches for selectively connecting the strip switches. Selective connection of the strip switches by the adjusting stick inputs signals. A pointer can be conveniently controlled. Fabrication costs and the size of a mobile terminal including such an input device are reduced.

Abstract: A headset for a mobile communication terminal is disclosed. The headset comprises a main body and a RF module printed circuit board (PCB) housed within it. A microphone is also housed within the main body and connected to the RF module PCB. A guide piece housing an antenna, which is connected to the RF module PCB, is connected to the main body on one end and has an opening on the second end. Finally, a speaker is connected to the main body opposite the guide piece.

Abstract: An input device includes a plurality of strip switches radially disposed on a board, and an adjusting stick movably mounted on the board at a central location of the radially disposed strip switches for selectively connecting the strip switches. Selective connection of the strip switches by the adjusting stick inputs signals. A pointer can be conveniently controlled. Fabrication costs and the size of a mobile terminal including such an input device are reduced.

Abstract: An antenna system of a radio communication terminal includes: a directional antenna for transmitting and receiving an RF signal to and from a base station through a radio link; and an amplifying unit integrated on one board together with the directional antenna and amplifying and filtering the RF signal. A transmistivity of a radio communication terminal is improved, a loss according to a transmission path between an antenna and the radio communication terminal can be compensated, and a speech quality can be maintained by above a certain level even in an area remote from a base station.

Abstract: An electric wave transmitting and receiving apparatus of a portable terminal comprising: a rotating member axially installed in a mounting groove formed at an upper portion of a body to be rotated with a certain angle; a vertical polarization antenna installed at an upper of the rotating member, for rotating the rotating member around the axis by a pressure of a folder at the time of opening the folder of the portable terminal; an elastic member installed at one side of the rotating member, for placing the rotated vertical polarization antenna and the rotating member to original positions; a vertical polarization antenna connecting means for connecting the vertical polarization antenna to a printing circuit board mounted in the body; a circular polarization antenna installed at a side surface of the rotating member; and a circular polarization antenna connecting means for connecting the circular polarization antenna to the printing circuit board.

Abstract: A headset for a mobile communication terminal is disclosed. The headset comprises a main body and a RF module printed circuit board (PCB) housed within it. A microphone is also housed within the main body and connected to the RF module PCB. A guide piece housing an antenna, which is connected to the RF module PCB, is connected to the main body on one end and has an opening on the second end. Finally, a speaker is connected to the main body opposite the guide piece.

Abstract: An electric wave transmitting and receiving apparatus of a portable terminal comprising: a rotating member axially installed in a mounting groove formed at an upper portion of a body to be rotated with a certain angle; a vertical polarization antenna installed at an upper of the rotating member, for rotating the rotating member around the axis by a pressure of a folder at the time of opening the folder of the portable terminal; an elastic member installed at one side of the rotating member, for placing the rotated vertical polarization antenna and the rotating member to original positions; a vertical polarization antenna connecting means for connecting the vertical polarization antenna to a printing circuit board mounted in the body; a circular polarization antenna installed at a side surface of the rotating member; and a circular polarization antenna connecting means for connecting the circular polarization antenna to the printing circuit board.

Abstract: An active antenna system of a radio communication terminal includes: a directional antenna for transmitting and receiving an RF signal to and from a base station through a radio link; and an amplifying unit integrated on one board together with the directional antenna and amplifying and filtering the RF signal. A transmistering the RF signal. A transmistivity of a radio communication terminal is improved, a loss according to a transmission path between an active antenna and the radio communication terminal can be compensated, and a speech quality can be maintained by above a certain level even in an area remote from a base station.