Abstract: Disclosed herein is a vacuum circuit breaker. In some embodiments, a vacuum circuit breaker includes a cradle having a rail which forms a travel route; a main body being movably mounted to the cradle and configured to be in a test position or in an operation position; a wheel traveling along the travel route and configured to move the main body to the test position or the operation position; an interlock plate provided in the main body so as to move together with the main body; and a ground interlock device restraining the movement of the main body by restraining the movement of the interlock plate when grounded.

Abstract: A cable anchoring device includes: a vibration isolation member including a damper; a socket; and a cap. A rib is formed in at least one of the socket and the cap is inserted into a portion of the damper. The vibration isolation member is inserted into a hole formed in the cap. The socket is coupled to the cap. In a state where the rib has been inserted into the portion of the damper, a void is formed in the portion of the damper.

Abstract: A control cable liner may be provided which has a cylindrical shape and a hollow portion into which an inner cable is inserted. A plurality of protrusions are formed on the inner surface of the hollow portion.

Abstract: A cable anchoring device may be provided that includes: an anchoring cap which includes a fastening protrusion for the fastening to a bracket; an anchoring socket which includes a first body in which a bracket anchoring groove is formed, and a second body which is inserted into the anchoring cap; and a pressing member which is disposed between the second body and the anchoring cap. When the bracket is inserted into the bracket anchoring groove, the anchoring cap moves by the pressing member, so that the fastening protrusion is inserted into a fastening groove of the bracket.

Abstract: A cable anchoring device which is coupled to a bracket may be provided that includes: a cap which includes an insertion portion including a thin portion and a thick portion which are integrally formed with each other; a groove socket which includes an insertion groove into which the insertion portion is inserted and a bracket anchoring part in which a bracket anchoring groove in which the bracket is anchored is formed; and a pressing member which presses such that the thick portion is located in the bracket anchoring groove.

Abstract: The present invention relates to a coring system considering a tilt of a coring part and a method of compensating for a depth of a coring part using the same. A coring system according to the present invention includes: a coring part with a core to be filled with an object to be cored; a driving unit controlling upward/downward movement of the coring part; a rope connecting the coring part with the driving unit; and a tilt meter measuring a tilt of the coring part.

Abstract: A cable anchoring device which is coupled to a bracket may be provided that includes: a cap which includes an insertion portion including a thin portion and a thick portion which are integrally formed with each other; a groove socket which includes an insertion groove into which the insertion portion is inserted and a bracket anchoring part in which a bracket anchoring groove in which the bracket is anchored is formed; and a pressing member which presses such that the thick portion is located in the bracket anchoring groove.

Abstract: The present invention relates to a coring system and a determining method that can determine whether accurate coring was achieved. A coring system according to the present invention includes: a coring part with a core to be filled with an object to be cored; a driving unit controlling upward/downward movement of the coring part; a rope connecting the coring part with the driving unit; and a tensiometer measuring tension in the rope.

Abstract: The present invention relates to a coring system considering a tilt of a coring part and a method of compensating for a depth of a coring part using the same. A coring system according to the present invention includes: a coring part with a core to be filled with an object to be cored; a driving unit controlling upward/downward movement of the coring part; a rope connecting the coring part with the driving unit; and a tilt meter measuring a tilt of the coring part.

Abstract: A total internal reflection fluorescence imaging apparatus according to an embodiment of the invention includes: a metal nanostructure layer, which includes a metal thin film and a nanostructure formed over the metal thin film; a light source unit, which provides incident light such that the incident light is totally reflected off the metal nanostructure layer and an evanescent wave localized in a horizontal direction is created between the metal nanostructure layer and a specimen arranged over the metal nanostructure layer; and a fluorescence image extracting unit, which extracts and images a fluorescence signal generated by the specimen due to the evanescent wave localized in a horizontal direction.

Abstract: A total internal reflection fluorescence imaging apparatus according to an embodiment of the invention includes: a metal nanostructure layer, which includes a metal thin film and a nanostructure formed over the metal thin film; a light source unit, which provides incident light such that the incident light is totally reflected off the metal nanostructure layer and an evanescent wave localized in a horizontal direction is created between the metal nanostructure layer and a specimen arranged over the metal nanostructure layer; and a fluorescence image extracting unit, which extracts and images a fluorescence signal generated by the specimen due to the evanescent wave localized in a horizontal direction.

Abstract: The present invention relates to a cell sensor for real-time monitoring of cell capacitance and a monitoring method using the same, and more particularly, to a cell sensor capable of monitoring an endocytosis process of a biomolecule through a cell surface receptor by attaching a cell between electrodes and then measuring in real time the capacitance between the electrodes over time, and a monitoring method using the same. A cell sensor for the real-time monitoring of cell capacitance according to an exemplary embodiment of the present invention includes a substrate; a first electrode and a second electrode that are formed on the substrate and spaced apart by a gap from each other, in which at least one or more cells are introduced to be attached onto the gap; and a passivation layer that is formed on each of the tops of the first electrode and the second electrode to prevent the cells from being attached onto the top of the first electrode and the second electrode.

Abstract: Provided is an electrochemical cell for generating hydrogen peroxide (H202) directly from water, and an application thereof. The electrochemical cell includes: water-soluble electrolyte; an electrode structure A, in which hydrogen peroxide is generated by oxidizing water containing city water (CW) or electrolytes when voltage of time dependant polarity is applied; and an electrode structure B, in which hydrogen peroxide is generated by reducing water of the water-soluble electrolyte when the voltage of time dependant polarity is applied, wherein the polarity reversal of the voltage Ve is performed periodically or non-periodically according to the time between positive (+) voltage and negative (?) voltage.

Abstract: A fuel cell system comprises: a fuel cell stack (100) where an anode (110) and a cathode (120) are arranged under a state that an electrolyte membrane is positioned therebetween; a fuel tank (300) for storing a fuel; a fuel circulation supply means (400) for circulation-supplying a fuel stored in the fuel tank (300) to the anode of the fuel cell stack; an air supply unit (200) connected to the cathode of the fuel cell stack (100) by an air supply line, for supplying oxygen, etc. to the cathode (120); a sensing unit (500) for measuring a concentration of at least one of fuels supplied to the anode (110) and a control unit for receiving a signal of the sensing unit (500) and informing replacement time of a fuel. According to this, a fuel usage is maximized by informing replacement time of a used fuel and a filter (450) for filtering impurity by detecting a fuel consumption degree and an impurity generation amount.

Abstract: A fuel cell system comprises: a DBFC for generating a power by receiving a fuel; a PEMFC for generating a power by receiving hydrogen, a byproduct generated at an anode of the DBFC after a reaction, as a fuel; a supplementary power partially charged by a power generated at the DBFC and the PEMFC and discharging the charged power; a load sensing unit for sensing a load connected to the DBFC, the PEMFC, and the supplementary power; and a control unit for controlling a power of the DBFC, the PEMFC, and the supplementary power according to a load sensed by the load sensing unit and thereby selectively supplying to the load. According to this, hydrogen generated at the DBFC is recycled, and a load amount is sensed thus to stably correspond to a load variation, thereby maximizing a fuel usage efficiency and stably driving the system.

Abstract: A fuel cell system comprises: a fuel storage means for storing a fuel; a direct borohydride fuel cell (DBFC); a fuel circulation supply means for circulation and supplying a fuel to an anode of the DBFC from the fuel storage means; a polymer electrolyte membrane fuel cell (PEMFC) for receiving hydrogen generated at the anode of the DBFC as a fuel; a hydrogen control means for controlling hydrogen generated from the anode of the DBFC in correspondence to an amount required by the PEMFC and thereby supplying the hydrogen to the PEMFC; and an air supply means for supplying air to a cathode of the DBFC and an cathode of the PEMFC.

Abstract: In a MEA (membrane electrode assembly) of a fuel cell including an electrolyte membrane as an ion transfer medium arranged between a bipolar plate having a fuel side open groove in which fuel flows and a bipolar plate having an air side open groove in which air flows so as to form a fuel path with the fuel side open groove and form an air path with the air side open groove; and a catalyst electrode inserted into the fuel side open groove so as to be separated from the electrolyte membrane in order to form a fuel path with both sides thereof and induce electrochemical oxidation with the fuel, by activating action occurred on the fuel electrode in which fuel is supplied and the air electrode in which air is supplied, current generating efficiency can be improved.

Abstract: A fuel cell system is provided which produces improved reaction speed and performance. The fuel cell system includes a fuel cell stack including an anode, a cathode, and an electrolyte membrane disposed therebetween. A fuel tank supplies hydrogen-based fuel to the anode of the fuel cell stack, and an oxidant supplying unit adds ozone to oxygen- including air supplies it to the cathode of the fuel cell stack. The ozone supplied to the cathode of the fuel cell stack accelerates a reaction speed in the fuel cell stack, thereby producing a relatively high current density and improving fuel cell performance.

Abstract: A fuel cell system comprises: a fuel cell stack (100) where an anode (110) and a cathode (120) are arranged under a state that an electrolyte membrane is positioned therebetween; a fuel tank (300) for storing a fuel; a fuel circulation supply means (400) for circulation-supplying a fuel stored in the fuel tank (300) to the anode of the fuel cell stack; an air supply unit (200) connected to the cathode of the fuel cell stack (100) by an air supply line, for supplying oxygen, etc. to the cathode (120); a sensing unit (500) for measuring a concentration of at least one of fuels supplied to the anode (110) and a control unit for receiving a signal of the sensing unit (500) and informing replacement time of a fuel. According to this, a fuel usage is maximized by informing replacement time of a used fuel and a filter (450) for filtering impurity by detecting a fuel consumption degree and an impurity generation amount.

Abstract: A fuel cell system comprises: a fuel storage means (100) for storing a fuel; a DBFC (200); a fuel circulation supply means (300) for circulation-supplying a fuel to an anode of the DBFC from the fuel storage means (100); a PEMFC (400) for receiving hydrogen generated from the anode of the DBFC as a fuel; a hydrogen control means (500) for controlling hydrogen generated from the anode of the DBFC in correspondence to an amount required by the PEMFC and thereby supplying the hydrogen to the PEMFC (400); and an air supply means (600) for supplying air to a cathode of the DBFC and a cathode of the PEMFC.