Abstract: A multilayer electronic component includes a body including a first dielectric layer, a second dielectric layer and internal electrodes; and external electrodes disposed on the body, wherein the first dielectric layer includes a BaTiO3 material as a main component, and wherein the second dielectric layer includes (????)TixOy (??0, ??0, x>0, y>0) material, different from the main component of the first dielectric layer, as a main component, ? is one or more of Ba, Er, Ca or Sr, and ? is one or more of Nb, Mg, Ta, In, Mn, Hf, Zr or Al.

Abstract: A multilayer electronic component includes: a body including a dielectric layer including as a main component one of SrTiO3 or TiO2 in which a donor element is substituted for at least one of the element sites excluding the oxygen element (O), and internal electrodes alternately disposed with the dielectric layer in a first direction; and an external electrode disposed on the body; wherein the dielectric layer includes a plurality of dielectric grains, grain boundaries disposed between adjacent dielectric grains, and triple points disposed at a point at which three or more of the grain boundaries contact each other, a first metal oxide disposed at the triple points, and a second metal oxide disposed at the grain boundaries, wherein an atomic percentage of a first metal element included in the first metal oxide may be higher than an atomic percentage of a second metal element included in the second metal oxide.

Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes; and external electrodes disposed on the body, wherein the dielectric layer includes a core not including a donor element and an acceptor element, and a core-shell dielectric grain having a shell structure covering at least a portion of the core and including the donor element, the acceptor element and titanium (Ti), and wherein, when an atomic percentage of the donor element included in the shell is defined as Ds and an atomic percentage of the acceptor element included in the shell is defined as As, based on an atomic percentage of 100 at % of titanium (Ti) included in the shell, 2 at %?Ds?13 at % and 1 at %?As?13 at % is satisfied.

Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body, wherein the dielectric layer includes Ti, A as a donor element, and B as an acceptor element, wherein the dielectric layer satisfies 0.1<Am?7.5 and 0.1<Bm?7.5, where Am and Bm are the number of moles of A and the number of moles of B, relative to 100 moles of Ti included in the dielectric layer, respectively, and wherein the dielectric layer includes a central portion spaced apart from the internal electrode and an interface portion disposed between the internal electrode and the central portion, and a secondary phase including at least one of Ti or A is disposed in the interface portion.

Abstract: A calculation system that calculates a usage right for resources of a cloud server by a user using a cloud service according to an embodiment of the present disclosure may include: a reception module that generates analysis activity information, which is activity information generated while the user uses the cloud server, in order to determine the usage right; a right module that uses a predetermined analysis method based on the analysis activity information to calculate a corresponding right, which is the usage right corresponding to the analysis activity information and applicable only to a specific user; and a transmission module that transmits a recommendation right calculated utilizing the corresponding right through a predetermined path.

Abstract: Described are compositions and methods for use in oil and gas operations. The methods can decrease pressure drop along a lateral segment of a wellbore in an unconventional subterranean formation.

Abstract: Provided is a time division duplex semi-active base station antenna system. The time division duplex semi-active base station antenna system includes: an antenna block including a plurality of transmission/reception-combined antenna elements; a TxRx switching block configured to separate a transmission path and a reception path, which are connected to the transmission/reception-combined antenna elements, from each other by a timing signal for time division control; and a TxRx timing recovery block configured to generate the timing signal from a transmission signal provided from a radio unit.

Abstract: Provided herein are liquid polymer (LP) compositions comprising a synthetic (co)polymer (e.g., an acrylamide (co)polymer), as well as methods for preparing inverted polymer solutions by inverting these LP compositions in an aqueous fluid. The resulting inverted polymer solutions can have a concentration of a synthetic (co)polymer (e.g., an acrylamide (co)polymer) of from 50 to 15,000 ppm, and a filter ratio of 1.5 or less at 15 psi using a 1.2 ?m filter. Also provided are methods of using these inverted polymer solutions in oil and gas operations, including enhanced oil recovery.

Abstract: Provided herein are liquid polymer (LP) compositions comprising a synthetic (co)polymer (e.g., an acrylamide (co)polymer), as well as methods for preparing inverted polymer solutions by inverting these LP compositions in an aqueous fluid. The resulting inverted polymer solutions can have a concentration of a synthetic (co)polymer (e.g., an acrylamide (co)polymer) of from 50 to 15,000 ppm, and a filter ratio of 1.5 or less at 15 psi using a 1.2 ?m filter. Also provided are methods of using these inverted polymer solutions in oil and gas operations, including enhanced oil recovery.

Abstract: Described are compositions and methods for use in oil and gas operations. The methods can decrease pressure drop along a lateral segment of a wellbore in an unconventional subterranean formation.

Abstract: A multilayer electronic component, includes: a body including a stack portion having a dielectric layer and an internal electrode disposed in a first direction, a connection electrode disposed on an end surface of the stack portion in a second direction, to be connected to the internal electrode, and an insulating layer covering the connection electrode, the body having opposing first and second surfaces in the first direction, opposing third and fourth surfaces in the second direction, and opposing fifth and sixth surfaces in a third direction; and an external electrode connected to the connection electrode. The connection electrode includes a body portion in contact with one end of the internal electrode in the second direction, and one or more of first lead portions extending from the body portion to be in contact with one or more of the first surface, the second surface, the fifth surface, and the sixth surface.

Abstract: Provided are a composition including vitamin B5 for improving respiratory health and treating or preventing respiratory diseases, a pharmaceutical composition including the composition for treating or preventing respiratory diseases, and a health functional food composition including the composition for improving respiratory health or respiratory diseases.

Abstract: Provided is a display device comprising a display panel including a display area and a non-display area and an electrostatic protection circuit disposed in the non-display area. The electrostatic protection circuit includes a first stage circuit including a (1-1)-th diode which causes a forward current to flow from a first node to a second node and a first capacitor and a first resistor connected in parallel to the (1-1)-th diode, a second stage circuit including a (2-1)-th diode which causes a forward current to flow from the second node to a third node and a second capacitor and a second resistor connected in parallel to the (2-1)-th diode, and a third stage circuit including a (3-1)-th diode which causes a forward current to flow from the third node to a fourth node and a third capacitor and a third resistor connected in parallel to the (3-1)-th diode.

Abstract: Disclosed is a semiconductor package including: a substrate including first and second surfaces opposite to each other, wherein the substrate extends in first and second directions intersecting each other; a first semiconductor chip on the first surface of the substrate; a second semiconductor chip on the first surface of the substrate and spaced apart from the first semiconductor chip in the first direction; and a dam structure at least partially surrounding the first semiconductor chip, wherein the dam structure includes first and second dam structures on the first surface of the substrate and spaced apart from each other in the first direction such that the first semiconductor chip resides therebetween, wherein the first and second dam structures have different heights relative to the first surface of the substrate.

Abstract: Provided herein are liquid polymer (LP) compositions comprising a synthetic (co)polymer (e.g., an acrylamide (co)polymer), as well as methods for preparing inverted polymer solutions by inverting these LP compositions in an aqueous fluid. The resulting inverted polymer solutions can have a concentration of a synthetic (co)polymer (e.g., an acrylamide (co)polymer) of from 50 to 15,000 ppm, and a filter ratio of 1.5 or less at 15 psi using a 1.2 ?m filter. Also provided are methods of using these inverted polymer solutions in oil and gas operations, including enhanced oil recovery.

Abstract: A calculation system that calculates a usage right for resources of a cloud server by a user using a cloud service according to an embodiment of the present disclosure may include: a reception module that generates analysis activity information, which is activity information generated while the user uses the cloud server, in order to determine the usage right; a right module that uses a predetermined analysis method based on the analysis activity information to calculate a corresponding right, which is the usage right corresponding to the analysis activity information and applicable only to a specific user; and a transmission module that transmits a recommendation right calculated utilizing the corresponding right through a predetermined path.

Abstract: A combined power generation system includes a gas turbine including a compressor configured to compress air, a combustor configured to mix the compressed air from the compressor and fuel and combust a mixture of the compressed air and fuel, and a turbine section in which rotational power is obtained by combustion gases generated by the combustor. The system also includes a heat recovery steam generator (HRSG) in which steam is generated by heat of exhaust gases from the gas turbine, and a steam turbine driven by the steam generated by the HRSG, wherein the HRSG includes a plurality of heat exchangers provided to cool the compressed air by heat exchange between the compressed air and the exhaust gases.

Abstract: An image sensor includes a substrate; a plurality of unit pixel regions in the substrate, each unit pixel region o including a floating diffusion region and a transfer gate electrode; and a microlens on the substrate. The transfer gate electrode includes a first connection part on a first surface of the substrate and a first extending part connected to the first connection part and extending from the first surface into the substrate. A third surface of the first extending part has a first angle with respect to the first surface of the substrate and a fourth surface of the first extending part has a second angle with respect to the first surface of the substrate. The fourth surface, the third surface, and the floating diffusion region are sequentially disposed in a direction parallel to the first surface of the substrate, and the first angle is greater than the second angle.

Abstract: Provided herein are liquid polymer (LP) compositions comprising a synthetic (co)polymer (e.g., an acrylamide (co)polymer), as well as methods for preparing inverted polymer solutions by inverting these LP compositions in an aqueous fluid. The resulting inverted polymer solutions can have a concentration of a synthetic (co)polymer (e.g., an acrylamide (co)polymer) of from 50 to 15,000 ppm, and a filter ratio of 1.5 or less at 15 psi using a 1.2 ?m filter. Also provided are methods of using these inverted polymer solutions in oil and gas operations, including enhanced oil recovery.

Abstract: A comment management method manages a plurality of comments written about content and selects at least one first comment from among the plurality of comments based on a first condition that is based on feedback from users for each of the plurality of comments, selects a second comment based on the feedback and a second condition that is based on the time at which a comment is written, and distinguishably displays the first comment and the second comment on a user terminal that displays the content.