Abstract: The present invention relates to compounds represented by Formula 1 or a pharmaceutically acceptable salt thereof, wherein: R1 is chloro or methyl; R2 is hydrogen or chloro; R3 is hydrogen, fluoro, chloro, bromo, methyl, ethyl, isopropyl, pentyl, hexyl, octyl, methoxy, phenoxy, (4-nitrophenyl)sulfonyl, piperidin-4-yl, or piperazin-1-yl; R4 is hydrogen, chloro, methyl or trifluoromethyl, phenoxy, (4-nitrophenyl)sulfonyl or piperidin-4-yl; or R3 and R4, together with the carbons to which they are attached, form a fused ring selected form the group consisting of: n is 1 or 2. These compounds according to the present invention remarkably inhibits activity of DRAK that inhibits signal systems of TGF-?, which is known to suppress cancer growth, and thus the novel pyrimidine compounds can be used as a pharmaceutical composition for preventing or treating cancer and can be used as a pharmaceutical composition for preventing or treating inflammatory disease.

Abstract: The present invention relates to novel pyrimidine compounds, a method for preparing the same, and a pharmaceutical composition containing the same as an active ingredient for preventing or treating cancer and inflammatory disease. The novel pyrimidine compounds according to the present invention remarkably inhibits activity of DRAK that inhibits signal systems of TGF-?, which is known to suppress cancer growth, and thus the novel pyrimidine compounds can be used as a pharmaceutical composition for preventing or treating cancer and can be used as a pharmaceutical composition for preventing or treating inflammatory disease.

Abstract: A wrapper for a terahertz wave according to an embodiment of the present invention includes: a terahertz wave transmission layer that is made of a material that transmits a terahertz wave; and an electric field enhancement structure that enhances an electric field by reacting with a predetermined frequency band of terahertz waves passing through the terahertz wave transmission layer. An optical identification device for a terahertz wave according to an embodiment of the present invention includes m identification units composed of: a terahertz wave transmission layer that is made of a material that transmits a terahertz wave; and a waveguide grating that resonates at a natural resonant frequency when receiving the transmitted terahertz wave, in which the natural resonant frequency is any one of a first natural resonant frequency to an n-th natural resonant frequency.

Abstract: Disclosed is a dental glass-ionomer cement composition, which includes polycarboxylic acid, water, and a glass powder including a metal component that is able to form an ionic bond with a carboxyl group of polycarboxylic acid in the presence of water and having a polymer material that is applied on at least a portion of the surface of the glass powder. The dental glass-ionomer cement composition can guarantee sufficient working time and can exhibit increased initial strength.

Abstract: A package damage inspection device according to an exemplary embodiment of the present invention may include: a sensor recognizing internal environmental change information of a sealed container; an identification element including an identification code of the sealed container; a recognizing unit recognizing the identification code included in the identification element to recognize identification information of the sealed container; and a determining unit comparing the internal environmental change information recognized by the sensor and reference change information with each other to determine whether or not the sealed container is maintained in a sealed state.

Abstract: A polygon mirror assembly includes: a body including a coupled unit coupled to a shaft that is rotated; a plurality of first frames extended in a direction distant from the coupled unit; a plurality of reflection surfaces disposed between the first frames to form a polygon and rotatably coupled to the first frames; and driving units tilting the reflection surfaces.

Abstract: A wrapper for a terahertz wave according to an embodiment of the present invention includes: a terahertz wave transmission layer that is made of a material that transmits a terahertz wave; and an electric field enhancement structure that enhances an electric field by reacting with a predetermined frequency band of terahertz waves passing through the terahertz wave transmission layer. An optical identification device for a terahertz wave according to an embodiment of the present invention includes m identification units composed of: a terahertz wave transmission layer that is made of a material that transmits a terahertz wave; and a waveguide grating that resonates at a natural resonant frequency when receiving the transmitted terahertz wave, in which the natural resonant frequency is any one of a first natural resonant frequency to an n-th natural resonant frequency.

Abstract: A scanning module including first path shifting unit changing a path of an incident electromagnetic wave from a light source; a first driving unit adjusting the path of the electromagnetic wave by moving the first path shifting unit; and a Bessel beam generating unit making a Bessel beam on a portion of an object, using the electromagnetic wave with the path changed by the path shifting unit. A detection probe which includes a light source generating an electromagnetic wave; a path shifting unit changing a path of an electromagnetic wave from a light source; a Bessel beam generating unit making a Bessel beam on a portion of an object, using the electromagnetic wave with the path changed by the path shifting unit; a detecting unit detecting intensity of a wave from the object, and a housing accommodating the light source, path shifting unit, Bessel beam generating unit, and detecting unit.

Abstract: An air conditioning system, a vortex tube, a vortex generating member, and a method for controlling an air conditioning system are provided. The air conditioning system includes a vortex tube that produces cold air and hot air, a blower device that supplies air to the vortex tube, and an indoor unit located in an indoor space that selectively releases one of the cold air and the hot air produced from the vortex tube to the indoor space.

Abstract: A wrapper for a terahertz wave according to an embodiment of the present invention includes: a terahertz wave transmission layer that is made of a material that transmits a terahertz wave; and an electric field enhancement structure that enhances an electric field by reacting with a predetermined frequency band of terahertz waves passing through the terahertz wave transmission layer. An optical identification device for a terahertz wave according to an embodiment of the present invention includes m identification units composed of: a terahertz wave transmission layer that is made of a material that transmits a terahertz wave; and a waveguide grating that resonates at a natural resonant frequency when receiving the transmitted terahertz wave, in which the natural resonant frequency is any one of a first natural resonant frequency to an n-th natural resonant frequency.

Abstract: A wrapper for a terahertz wave according to an embodiment of the present invention includes: a terahertz wave transmission layer that is made of a material that transmits a terahertz wave; and an electric field enhancement structure that enhances an electric field by reacting with a predetermined frequency band of terahertz waves passing through the terahertz wave transmission layer. An optical identification device for a terahertz wave according to an embodiment of the present invention includes m identification units composed of: a terahertz wave transmission layer that is made of a material that transmits a terahertz wave; and a waveguide grating that resonates at a natural resonant frequency when receiving the transmitted terahertz wave, in which the natural resonant frequency is any one of a first natural resonant frequency to an n-th natural resonant frequency.

Abstract: Disclosed is a dental glass-ionomer cement composition, which includes polycarboxylic acid, water, and a glass powder including a metal component that is able to form an ionic bond with a carboxyl group of polycarboxylic acid in the presence of water and having a polymer material that is applied on at least a portion of the surface of the glass powder. The dental glass-ionomer cement composition can guarantee sufficient working time and can exhibit increased initial strength.

Abstract: Disclosed is a non-contact heating type gene amplification system. The non-contact heating type gene amplification system includes separate light sources for each step of a polymerase chain reaction in order to perform a high-speed temperature cycle by moving a rotation unit, in which a plurality of sample chambers are formed, to places at which the sample chambers are controlled at the temperatures corresponding to each step.

Abstract: A scanning module including first path shifting unit changing a path of an incident electromagnetic wave from a light source; a first driving unit adjusting the path of the electromagnetic wave by moving the first path shifting unit; and a Bessel beam generating unit making a Bessel beam on a portion of an object, using the electromagnetic wave with the path changed by the path shifting unit. A detection probe which includes a light source generating an electromagnetic wave; a path shifting unit changing a path of an electromagnetic wave from a light source; a Bessel beam generating unit making a Bessel beam on a portion of an object, using the electromagnetic wave with the path changed by the path shifting unit; a detecting unit detecting intensity of a wave from the object, and a housing accommodating the light source, path shifting unit, Bessel beam generating unit, and detecting unit.

Abstract: An object inspection apparatus includes a terahertz wave supplying unit for generating a terahertz wave and moving a path of the terahertz wave according to time so that the terahertz wave is supplied to an object to be inspected, a focusing lens located between the terahertz wave supplying unit and the object to be inspected to focus the terahertz wave supplied by the terahertz wave supplying unit, a rotating plate having a plate shape and including a plurality of the focusing lenses with different distances from the center thereof, the rotating plate rotating in the circumferential direction so that one of the focusing lenses is located at a path of the terahertz wave according to the path movement of the terahertz wave, and a terahertz wave detecting unit for collecting and detecting a terahertz wave incident to the object to be inspected.

Abstract: A DTV and a method of displaying content using the same are provided. The DTV includes: a plurality of display units physically isolated from each other; and a control unit configured to, if a predetermined first event has occurred, move a content displayed on the first display unit among the plurality of display units and display the content on the second display unit among the plurality of display units, wherein the control unit is configured to control the display of the content such that the movement process of the content is visually recognized.

Abstract: An air conditioner includes heat exchangers, an actuator configured to generate pulse-type air current by vibration of a diaphragm, a manifold connected to the actuator and having a plurality of blast ports to configured to blast multiple pulse-type air currents over a large area, and a Coand{hacek over (a)} surface configured to transfer the multiple pulse-type air currents blasted through the plurality of blast ports in a long distance. Therefore, the air conditioner can be useful in reducing generation of noise and being miniaturized.

Abstract: An object inspection apparatus includes a terahertz wave supplying unit for generating a terahertz wave and moving a path of the terahertz wave according to time so that the terahertz wave is supplied to an object to be inspected, a focusing lens located between the terahertz wave supplying unit and the object to be inspected to focus the terahertz wave supplied by the terahertz wave supplying unit, a rotating plate having a plate shape and including a plurality of the focusing lenses with different distances from the center thereof, the rotating plate rotating in the circumferential direction so that one of the focusing lenses is located at a path of the terahertz wave according to the path movement of the terahertz wave, and a terahertz wave detecting unit for collecting and detecting a terahertz wave incident to the object to be inspected.