Abstract: The present invention relates to a reverse osmosis filter module including an improved feed spacer, and particularly, to a reverse osmosis filter module including an improved feed spacer which has an asymmetric diameter in an intersection in which a first set of filaments and a second set of filaments intersect, thereby reducing differential pressure by increasing a cross-sectional area of a flow path, and mitigating concentration polarization by developing a swirl flow.

Abstract: A fuel cell stack structure in which unit cells are stacked includes first window frames and second window frame. The second window frames each have an area larger than an area of a first window frame and are periodically disposed at a predetermined interval in a direction in which the unit cells are stacked. Heat movement is promoted, a temperature deviation in the fuel cell stack structure is mitigated, and a temperature distribution is uniformized.

Abstract: A selective catalytic reduction (SCR) system having a catalytic layer. The SCR includes a plurality of baffle members located in a position spaced apart from a front end of the catalytic layer, the plurality of baffle members reduces a flow deviation due to enlargement of a flow cross-section of a fluid in at least one direction, each of the plurality of baffle members includes a first part and a second part, the first part and the second part of each of the plurality of baffle members extends in an orthogonal direction with respect to the at least one direction of enlargement of the flow cross-section, the first part and the second part are integrated, and each of the plurality of baffle members protrudes in an inlet direction of the fluid.

Abstract: The present invention relates to a reactor, and according to one aspect of the present invention, there is provided a reactor comprising a housing provided with a reaction space, a tube disposed inside the housing, an impeller provided inside the housing to allow reactants in the reaction space to flow into and out of the tube and a nozzle provided to spray a liquid from the reaction space toward the housing wall surface side.

Abstract: A baffle apparatus for improving a flow deviation of a fluid due to the enlargement of a flow cross-section of the fluid including a plurality of baffle members. Each of the plurality of baffle members has a first part into which the fluid enters and a second part from which the fluid flows out, the first part and the second part are integrated, the first part of each of the plurality of baffle members is at a position where the flow cross-section of the fluid is enlarged and the second part of each of the plurality of baffle members is at the position where the flow cross-section of the fluid is constant, and ends of the first parts are spaced apart from each other by a distance satisfying the equation: d i = D f ? ( i ) ? ? i = 1 n ? 1 f ? ( i ) , and the second parts are spaced apart from each other by a uniform distance.

Abstract: A terminal device for executing an application providing a search service is provided. The terminal device may include a touch sensing display, one or more processors, and a memory. The application is configured to be stored in the memory and implemented by the one or more processors, and includes a first interface providing a code to display a first search interface corresponding to a text-based search on the touch sensing display, and a second interface providing a code to display a second search interface on the touch sensing display, when a call interaction of the second search interface corresponding to a recognition search is sensed in response to a touch input on the touch sensing display while displaying the first search interface.

Abstract: Provided a high-pressure homogenizer comprising a channel module comprising a microchannel through which an object for homogenization passes, wherein the microchannel is provided with a first flow channel and a second flow channel sequentially arranged along the direction through which the object passes, the first flow channel is provided with a plurality of first baffles disposed so as to partition the microchannel into a plurality of spaces, the second flow channel is provided with a plurality of second baffles disposed so as to partition the microchannel into a plurality of spaces, and at least one of the first baffles is provided to be positioned between two adjacent second baffles.

Abstract: A control method and/or an apparatus for an energy storage system having demand control and uninterrupted power supply (UPS) functions and an associated control system is provided. The control method for the energy storage system may include: an operation plan establishment step of predicting power to be consumed in a load, so as to estimate the capacity of energy (UPS capacity) which needs to be charged in the energy storage system in order to provide uninterrupted power supply when a power failure occurs, and the capacity of energy available for demand control; an energy storage system operation step of operating the energy storage system according to an operation plan established in the operation plan establishment step; and a step of re-establishing an operation plan according to an operation state of the energy storage system operated by the energy storage system operation step.

Abstract: A cartridge having a novel structure for guaranteeing stable operational performance of a secondary battery that operates at a high temperature or has improved performance at a high temperature, and a battery module including the cartridge is provided. The battery module includes at least one secondary battery; and a cartridge receiving at least a portion of the secondary battery and configured to be stacked in at least one direction, the cartridge including a heat insulating member.

Abstract: Provided are a supply pipe and a pipe system that may simultaneously accumulate a plurality of thermal energies having different temperatures in a thermal energy network based on bilateral heat trade. The supply pipe is driven by an operation system, supplies a thermal energy to a user or a heat source, and includes an external pipe, at least two internal pipes that are disposed inside the external pipe and accumulate a thermal energy having a predetermined temperature, and a filler that fills the external pipe inside which the at least two internal pipes are disposed, wherein the at least two internal pipes have thermal energies having different temperatures.

Abstract: The present invention relates to a super absorbent polymer which exhibits totally well-balanced and excellent physical properties through the optimization of a centrifuge retention capacity, an absorbency under pressure, a liquid permeability and a gel strength. Such a super absorbent polymer is a super absorbent polymer comprising a cross-linked polymer in which a base polymer in the form of a powder obtained by polymerizing water-soluble ethylene-based unsaturated monomers having an acidic group in which at least a part thereof is neutralized is subjected to a surface crosslinking, and a centrifuge retention capacity (CRC), an absorbency under pressure (AUP), a liquid permeability (physiological saline solution flow conductivity; SFC), a horizontal gel strength (G?) or the like can satisfy a predetermined relationship of formula.

Abstract: Disclosed is a pore adjusting filtering apparatus including: a cylinder having a plurality of holes and in which a screw is rotatably installed; an endless track coupled to an outer peripheral surface of the cylinder by a cylinder, an endless track pin, and a support to be rotatable together with the cylinder; a fiber yarn bundle support rod inserted into the endless track to be connected to the endless track; a fiber yarn bundle, one end of which is fitted with and supported by the fiber yarn bundle support rod; a fiber yarn bundle support net for supporting the fiber yarn bundle while being attached to an outer peripheral surface of the fiber yarn bundle; a cleaning separator fixedly installed at an upper outer side of the cylinder; and an ejector installed on an upper outer side of the cylinder.

Abstract: The present invention relates to a reverse osmosis filter module including an improved feed spacer, and more particularly, to a reverse osmosis filter module including an improved feed spacer, in which spiral filaments are repeatedly positioned to form the feed spacer, such that a flow of a liquid to be supplied to the feed spacer is concentrated on a surface of a reverse osmosis membrane to effectively mitigate concentration polarization.

Abstract: The present invention relates to a polymerization reactor. The polymerization reactor according to one aspect of the present invention comprises: a housing including a supply part for supplying a reactant; a tube which is provided inside the housing and extends along the height direction of the housing; a first impeller including a blade which spirally surrounds the tube along the height direction of the housing; a second impeller which is provided inside the housing in order to enable the reactant to flow into the tube; and a partition wall which is provided to surround the second impeller along the circumferential direction.

Abstract: The present invention relates to a distributor and a down flow catalytic reactor comprising same, and according to one aspect of the present invention, provides a distributor comprising: an inside downcomer which has a first flow space; an outside downcomer which is disposed so as to surround at least some area of the inside downcomer, and has a second flow space partitioned from the first flow space of the inside downcomer; an outside cap which has a plurality of first slots and is mounted on the inside downcomer so as to enable a fluid that has passed through the first slots to flow to the first flow space; and an inside cap which has a plurality of second slots and is mounted on the outside downcomer so as to enable a fluid that has passed through the second slots to flow to the second flow space.

Abstract: The present application relates to a method for quantitative analysis of a polymer structure. Specifically, the method may be carried out through steps of measuring rheological properties and/or molecular weight distribution of the arbitrarily selected polymer, setting a random value for the selected polymer and then predicting the rheological property and/or the molecular weight distribution of the polymer from the random value, and comparing the measured value with the predicted value to determine the value of the structural parameter of the polymer.

Abstract: A method for manufacturing polysilicon, according to the present invention, is capable of manufacturing polysilicon with high purity more efficiently in such a manner that a high-temperature and high-speed air stream is formed at the center of a reaction tube, and a high-temperature region may be formed by a vortex formed by the high-temperature and high-speed air stream, so that a raw gas supplied from the side wall of the reaction tube flows by the guiding of the vortex, thereby increasing a stay time and a reaction time of the raw gas within the reaction tube. Furthermore, since the inner wall of the reaction tube is provided with a heat release means, the rapid cooling of a silicon crystal deposited on the inner wall of the reaction tube can induce a columnar crystal in which the silicon crystal is solidified in a direction perpendicular to a crystal face, and it is easy to desorb the silicon crystal produced by rapid heat release via the inner wall of the reaction tube.

Abstract: Disclosed is a ground heat exchange system including a heat exchange pipe including a borehole surface and an inner pipe to be inserted into the borehole surface, and installed to penetrate the ground, a circulation pump configured to inject a fluid between the borehole surface and the inner pipe and discharge a heated fluid from the inner pipe, a heat exchanger configured to exchange heat using the fluid discharged from the inner pipe, and at least one wing portion disposed between the borehole surface and the inner pipe and configured to reduce heat transfer between a fluid flowing between the borehole surface and the inner pipe and a fluid flowing in the inner pipe.

Abstract: The present invention relates to a reactor, and according to one aspect of the present invention, there is provided a reactor comprising a housing provided with a reaction space, a tube disposed inside the housing, an impeller provided inside the housing to allow reactants in the reaction space to flow into and out of the tube and a nozzle provided to spray a liquid from the reaction space toward the housing wall surface side.

Abstract: The present invention relates to a distributor and a down flow catalytic reactor comprising same, and according to one aspect of the present invention, provides a distributor comprising: an inside downcomer which has a first flow space; an outside downcomer which is disposed so as to surround at least some area of the inside downcomer, and has a second flow space partitioned from the first flow space of the inside downcomer; and a cap which has a plurality of slots and is mounted on the inside or the outside downcomer so as to enable a fluid that has passed through the slots to flow to at least one flow space among the first flow space and the second flow space.