Abstract: The present invention relates to an elastic terpolymer which can satisfy excellent processability and elasticity (flexibility) at the same time, and a preparation method thereof. The elastic terpolymer is a copolymer of 40 to 70 weight % of ethylene, 15 to 55 weight % of a C3-C20 alpha-olefin, and 0.5 to 20 weight % of a diene obtained in the presence of a group 4 transition metal catalyst, of which i) the weight average molecular weight measured by GPC is 100,000 to 500,000, and ii) the Mooney viscosity (ML) and the Mooney relaxation area (MLR) measured by a Mooney viscometer (1+4+2 {circle around (a)}125° C.) can satisfy a specific relation.

Abstract: A memory includes a plurality of word lines each coupled to one or more memory cells, an address storage unit suitable for storing an address of a word line selected for access by a control unit among the plurality of word lines at a first time point; and the control unit suitable for sequentially refreshing the plurality of word lines in response to application of a refresh command, refreshing one or more adjacent word lines adjacent to a word line corresponding to the address stored in the address storage unit in response to every Nth application of the refresh command where N is a natural number and selecting one or more of the plurality of word lines for access, wherein the first time point is included in time section other than a refresh section in which the control unit refreshes one or more word lines in response to application of the refresh command.

Abstract: A semiconductor device includes a package substrate having a plurality of external connection terminals disposed on a first surface thereof and a plurality of internal connection terminals disposed on a second surface thereof and electrically connected with corresponding one of the external connection terminals, a first semiconductor chip stacked over the second surface of the package substrate and having a first flag pad for providing first information and a first internal circuit for adjusting a parameter by a first correction value in response to the first information provided from the first flag pad, and a second semiconductor chip stacked over the first semiconductor chip and having a second flag pad for providing second information and a second internal circuit for adjusting the parameter by a second correction value in response to the second information provided from the second flag pad.

Abstract: The present invention relates to an elastic terpolymer that can acquire good mechanical properties and elasticity (flexibility) at the same time, and a preparation method thereof. The elastic terpolymer, which is a copolymer comprising 40 to 70 wt % of ethylene, 20 to 50 wt % of a C3-C20 alpha-olefin, and 2 to 20 wt % of a diene as obtained in the presence of a catalyst comprising a vanadium compound, satisfies that: (i) the weight average molecular weight measured by GPC is 100,000 to 500,000; and (ii) in the monomer distribution of the copolymer determined by 13C NMR analysis, K given by a defined Equation 1 is 0.01 or less.

Abstract: The present invention relates to an elastic terpolymer which can satisfy excellent processability and elasticity (flexibility) at the same time, and a preparation method thereof. The elastic terpolymer is a copolymer of 40 to 70 weight % of ethylene, 15 to 55 weight % of a C3-C20 alpha-olefin, and 0.5 to 20 weight % of a diene obtained in the presence of a group 4 transition metal catalyst, of which i) the weight average molecular weight measured by GPC is 100,000 to 500,000, and ii) the Mooney viscosity (ML) and the Mooney relaxation area (MLR) measured by a Mooney viscometer (1+4+2 {circle around (a)}125° C.) can satisfy a specific relation.

Abstract: The invention relates to a control system. In particular, the invention has an object to provide a lighting device control system for controlling a lighting device upon receiving a turn-on signal to turn on the lighting device, to emit light capable of generating an illuminance equal to or lower than an ambient illuminance around a place where the lighting device is installed.

Abstract: The present invention relates to a method of preparing an ethylene/alpha-olefin/diene-based elastic copolymer having high viscosity and a high molecular weight, in which energy efficiency of the entire process is optimized. The method of preparing the elastic copolymer includes the steps of: copolymerizing an ethylene/alpha-olefin/diene-based elastic copolymer; and separating and removing the solvent and unreacted monomers from the polymer solution and recovering the elastic copolymer, by sequentially using a gas-liquid separator and a stripper in the purification of the solvent and unreacted monomers.

Abstract: The present invention relates to a long-chain branched elastic terpolymer capable of satisfying excellent processability and elasticity (flexibility) at the same time, which is obtained in the presence of a Group IV transition metal catalyst, and a preparation method thereof. The elastic terpolymer is a copolymer of ethylene, an alpha-olefin having 3 to 20 carbon atoms, and a diene, wherein (i) its weight average molecular weight measured by GPC is 100,000 to 500,000, and (ii) x which is an ethylene content (% by weight) and y which is a crystallization temperature (K) of the copolymer measured when the ethylene content is X satisfy a relationship of 2.628x+100?y?2.628x+112.

Abstract: A semiconductor apparatus includes a memory region configured to store data transmitted through a first data line and a second data line; and a precharge block configured to precharge the second data line to a level of a first voltage and precharge the first data line to a level of a second voltage higher than the level of the first voltage, based on a write signal.

Abstract: An apparatus for preventing a malfunction of a peripheral device in a portable terminal with multiple processors includes a battery, a peripheral device electrically connected to a switch through a I/O pins, a first processor in which a control port for the peripheral device is electrically connected to the switch through the GPIO method, and which controls driving of the peripheral device through generation of a normal high signal, a second processor electrically connected to the switch through the GPIO method, and the switch driven by the battery, configured to operate such that the control port of the first processor is grounded when it is determined that an unintended high signal is generated from the second processor before the portable terminal is completely booted.

Abstract: The present invention relates to an elastic terpolymer that can acquire good mechanical properties and elasticity (flexibility) at the same time, and a preparation method thereof. The elastic terpolymer, which is a copolymer comprising 40 to 70 wt % of ethylene, 20 to 50 wt % of a C3-C20 alpha-olefin, and 2 to 20 wt % of a diene as obtained in the presence of a catalyst comprising a vanadium compound, satisfies that: (i) the weight average molecular weight measured by GPC is 100,000 to 500,000; and (ii) in the monomer distribution of the copolymer determined by 13C NMR analysis, K given by a defined Equation 1 is 0.01 or less.

Abstract: Disclosed herein is a method for centrifugal casting of a motor rotor. The method includes: assembling molds and a core; heating the assembled mold and core to a preset temperature; and forming a motor core by injecting molten metal into a forming space inside the mold and the core while rotating the assembled mold.

Abstract: A memory may include a plurality of word lines coupled to one or more memory cells; a target address generation unit suitable for generating one or more target addresses using a stored address; and a control unit suitable for sequentially refreshing the plurality of word lines in response to a refresh command which is periodically inputted, and refreshing a word line corresponding to the target address in response to the refresh command at a random time.

Abstract: The present invention relates to an elastic terpolymer that can acquire good mechanical properties and elasticity (flexibility) at the same time, and a preparation method thereof. The elastic terpolymer, which is a copolymer of 40 to 70 wt % of ethylene, 15 to 55 wt % of a C3-C20 alpha-olefin, and 0.5 to 20 wt % of a diene as obtained in the presence of a group 4 transition metal catalyst, satisfies that: (i) the weight average molecular weight measured by GPC is 100,000 to 500,000; and (ii) the ethylene content x (wt %) and the crystallization enthalpy y (?HcJ/g) of the copolymer measured by DSC satisfy a defined relational expression.

Abstract: This invention relates to a carbon dioxide absorbing composition including an antisolvent, and to a method and apparatus for absorbing and regenerating carbon dioxide using the same, wherein in a process and apparatus for absorbing carbon dioxide from a gas mixture including carbon dioxide such as a flue gas of a coal-fired power plant and separating a bicarbonate slurry including a large amount of carbon dioxide so as to be regenerated at high pressure, a bicarbonate slurry production yield can be increased to thereby reduce the cost for sensible heat, latent heat and regeneration energy necessary for regeneration, cooling and heating of the carbon dioxide absorbing solution.

Abstract: The present invention relates to an elastic terpolymer which can satisfy excellent processability and elasticity (flexibility) at the same time, and a preparation method thereof. The elastic terpolymer is a copolymer of 40 to 70 weight % of ethylene, 15 to 55 weight % of a C3-C20 alpha-olefin, and 0.5 to 20 weight % of a diene obtained in the presence of a group 4 transition metal catalyst, of which i) the weight average molecular weight measured by GPC is 100,000 to 500,000, and ii) the Mooney viscosity (ML) and the Mooney relaxation area (MLR) measured by a Mooney viscometer (1+4+{circle around (a)}125° C.) can satisfy a specific relation.

Abstract: The present invention relates to a polylactide resin having excellent heat resistance, a preparation method thereof, and a polylactide resin composition including the same. The polylactide resin is characterized by high polymerization activity owing to an organic coordinated metal catalyst even though it has a low catalyst content, and a molecular weight reduction due to thermal decomposition at high temperature and a rate of thermal decomposition including depolymerization are greatly suppressed by a low catalyst content and a low resin acidity, and thus provided is the polylactide resin having superior heat resistance.

Abstract: Provided is a hybrid power generating device. The hybrid power generating device includes a solar cell configured to generate an electric energy using sunlight; an electrostatic generating device configured to generate an electric energy using static electricity; and a rectifier configured to electrically connect the electric energy generated by the solar cell to the electric energy generated by the electrostatic generating device.

Abstract: The present invention relates to a packaging film including a lactide copolymer having no problem of pollution or toxicity while having good flexibility in addition to excellent properties such as mechanical properties, transparency, and processability, and preferably being applicable to food packaging. The packaging film includes a lactide copolymer including two or more specific block copolymerized repeating units that the hard segments of polylactide repeating units are connected to both ends of the soft segments of polyether polyol repeating unit, wherein the block copolymerized repeating units are connected to each other through the intermediation of urethane connecting groups derived from polyvalent isocyanate compound of which the average equivalent of isocyanate group per a molecule is more than 2 and less than 3.

Abstract: The present invention relates to a lactide copolymer having good flexibility in addition to excellent properties such as mechanical properties and processability and preferably being applicable as a packaging material, a preparation method thereof, and a resin composition including the same. The lactide copolymer includes two or more specific block copolymerized repeating units that the hard segments of polylactide repeating units are connected to both ends of the soft segments of polyether polyol repeating unit, and the block copolymerized repeating units are connected to each other through the intermediation of urethane connecting groups derived from polyvalent isocyanate compound of which the average equivalent of isocyanate group per a molecule is more than 2 and less than 3.