Abstract: Disclosed herein is a CMP slurry composition for polishing copper. The CMP slurry composition includes: polishing particles; and deionized water, wherein the polishing particles include inorganic particles and organic particles, and both the inorganic particles and the organic particles have a positive zeta potential. A polishing method comprising polishing a copper wire using the CMP slurry composition also be provided.

Abstract: The present invention relates to a high-strength silicoaluminophasphate-34 (SAPO-34) microsphere catalyst, a method for preparing the same, and a method for preparing light olefins by using the same, and when described in more detail, the present invention relates to a method for preparing a SAPO-34 microsphere catalyst, including: spray drying a mixed slurry including a matrix, a binder, an additive, and the like to a SAPO-34 slurry prepared by a hydrothermal synthesizing method using various organic templates such as tetraethylammonium hydroxide (TEAOH), and the like alone or in mixtures to prepare microspheres, and firing the microspheres, and to a SAPO-34 microsphere catalyst for a circulating-fluidized bed reactor, prepared by the preparation method. The SAPO-34 microsphere catalyst of the present invention has excellent reaction activity while having high strength, and thus is appropriate for use in a circulating-fluidized bed reactor requiring high strength of the catalyst.

Abstract: The present invention relates to lightweight collapsible portable chairs. In one embodiment, the portable chair has a sling and a chair frame which includes a first pair of bars and a second pair of bars. Each bar of the first pair of bars includes a joint configured to contact a ground surface. In another embodiment, the chair frame includes a front of bars, a back pair of bars, a pair of joints and a center bar configured to securely couple the pair of back joints to each other. In some embodiments, the chair frame includes a front support assembly. In other embodiments, the chair frame includes a pair of lower bars. In some embodiments, the chair includes armrests with optional storage.

Abstract: The present disclosure provides a stopped cooling system including: a steam line connecting portion connected to a steam line so as to receive cooling water through the steam line connected to an outlet of a steam generator; a stopped cooling heat exchanger for receiving cooling water that enters the stopped cooling system through the steam line connecting portion, and discharging same through a passage of the heat exchanger; a stopped cooling pump activated to perform stopped cooling of the nuclear reactor upon normal stoppage of the nuclear reactor after primary cooling of the nuclear reactor cooling system or when an accident occurs, and for forming a circulating flow of cooling water that circulates between the steam generator and the stopped cooling heat exchanger; and a water supplying pipe connecting portion connected to the heat exchanger passage and a water supplying pipe, which is connected to the inlet of the steam generator, so as to supply the cooling water cooled in the stopped cooling heat exch

Abstract: Disclosed is an insulation fiber composite. In particular, a surface of the insulation fiber composite is substantially improved such that a shape of three dimensions can be maintained as a heat resisting fiber and an insulation material are integrated. The insulation fiber composite of the present invention has excellent formability and surface property and comprises an insulation layer; and a pair of inorganic fiber layers. A first inorganic fiber layer of the pair is stacked on an upper surface of the insulation layer and a second inorganic fiber layer is stacked on a lower surface of the insulation layer, respectively. In particular, each the inorganic fiber layers has a greater planar surface area than a planar surface area of the insulation layer such that the insulation is not exposed to an exterior when the insulation layer and the pair of the inorganic fiber layers are stacked.

Abstract: A method of playing video on an electronic device is provided. The method includes playing a video in a first mode, detecting attribute information of the video as the video is being played in the first mode, changing the first mode to a second mode based on the detected attribute information, and playing the video in the second mode.

Abstract: A drive motor capable of being separated from a rotation member when the rotation member is restrained, the drive motor being configured to be coupled with the rotation member to transmit rotating force to the rotation member, and may include a power transmission control device provided on a junction between the drive motor and the rotation member and configured such that the rotating force can be transmitted from the drive motor to the rotation member, and such that when the rotation member is restrained and rotation thereof is not allowed, the power transmission control device is elastically deformed so that the coupling of the rotation member with the drive motor is released and only the drive motor is allowed to be rotated.

Abstract: The present invention relates to a mold device for hot stamping, and includes: a hot stamping mold that molds an ultra-high strength steel plate and has a softening part; and a block heater part that is inserted into a lower portion of the softening part of the hot stamping mold to soften the ultra-high strength steel plate, in order to maintain a uniform temperature distribution of the softening part of the hot stamping mold and improve the temperature management and the maintenance performance of the softening part by providing a segmented structure for inserting the block heater part into the softening part of the hot stamping mold.

Abstract: An air conditioning system for motor vehicles includes an air conditioner case, a blower installed in the air conditioner case and configured to draw an air and blow the air into a vehicle room, and a control unit configured to limit an upper limit value of a temperature of the air blown toward the blower.

Abstract: The present invention relates to a fractionated coupled apparatus for saccharifying biomass and a method for saccharifying biomass using the apparatus, and more particularly, to a fractionated coupled apparatus and method for saccharifying biomass, in which biomass mixed with enzyme is first saccharified in a single-tubular plug-flow reactor (PFR) unit, and then distributed into and saccharified in a second multi-tubular PFR unit comprising 2-100 PFRs, each having a diameter smaller than that of the single-tubular PFR unit. According to the present invention, biomass is first saccharified in a PFR having a relatively large diameter, and then distributed into and saccharified in PFRs having a relatively small diameter. Thus, a high concentration of a sugar compound can be obtained without having to use an additional mixer.

Abstract: The present invention relates to a 3-dimensional complex multilayer structure. The 3-dimensional complex multilayer structure includes a first pattern and a second pattern having different thicknesses formed on one or both surfaces of a plate. The first pattern is selected from the group consisting of parallel lines, parallel curves, parallel zigzag lines, and combinations thereof which do not meet each other. The second pattern is not parallel to the first pattern and is selected from the group consisting of parallel lines, parallel curves, parallel zigzag lines, and combinations thereof which do not meet each other. The interfaces between the first pattern and the second pattern form figures selected from the group consisting of polygons, circles, ellipses, and combinations thereof. The figures are repetitively formed on one or both surfaces of the plate. The 3-dimensional complex multilayer structure includes different complex patterns, whereas a conventional device has a kind of simple pattern.

Abstract: Disclosed is a multiple column keyword pattern matching apparatus configured to match multiple column keyword patterns including a plurality rows and a plurality of columns with respect to a given text. The apparatus includes a multiple keyword matching portion configured to search for keywords included in the multiple column keyword pattern while scanning the given text and generate a keyword matching result including text position information in the given text of a found keyword as a keyword matching result corresponding to the found keyword, a matching result window updating portion configured to add the generated keyword matching result to a matching result window defined with a certain range, and a matching state table updating portion configured to update a matching state table which maintains matching numbers of keyword matching results included in the matching result window.

Abstract: Provided is a mutant of propionyl-CoA transferase from Clostridium propionicum that can convert lactate into lactyl-CoA with high efficiency in a method of preparing a polylactate (PLA) or PLA copolymer using microorganisms. Unlike conventional propionyl-CoA transferase which is weakly expressed in E. coli, when a mutant of propiony-CoA transferase from Clostridium propionicum is introduced into recombinant E. coli, lactyl-CoA can be supplied very smoothly, thereby enabling highly efficient preparation of polylactate (PLA) and PLA copolymer.

Abstract: The present invention relates to a 3-dimensional complex multilayer structure. The 3-dimensional complex multilayer structure includes a first pattern and a second pattern having different thicknesses formed on one or both surfaces of a plate. The first pattern is selected from the group consisting of parallel lines, parallel curves, parallel zigzag lines, and combinations thereof which do not meet each other. The second pattern is not parallel to the first pattern and is selected from the group consisting of parallel lines, parallel curves, parallel zigzag lines, and combinations thereof which do not meet each other. The interfaces between the first pattern and the second pattern form figures selected from the group consisting of polygons, circles, ellipses, and combinations thereof. The figures are repetitively formed on one or both surfaces of the plate. The 3-dimensional complex multilayer structure includes different complex patterns, whereas a conventional device has a kind of simple pattern.

Abstract: An electronic device, according to various example embodiments of the present disclosure, may include: a housing; a display disposed to be exposed through one surface of the housing; at least one fastener formed on at least one surface of the housing and configured to be attached to, and detached from, an external electronic device; a communication circuit disposed inside the housing and configured to establish a communication connection with the external electronic device; and a processor disposed inside the housing, wherein the processor is configured to: determine whether the electronic device is connected with the external electronic device through the communication circuit; determine the type of the connected external electronic device when the electronic device is connected with the external electronic device; display, on the display, at least one preset function corresponding to the determined type of the external electronic device among a plurality of functions of the electronic device; and provide a

Abstract: The present disclosure relates to a cross fan engine room blower for a vehicle, the cross fan engine room blower including: a plurality of cross fans that are horizontally arranged in an air flow space, that have an impeller-shaped rotating blade formed along a full length of the cross fans, and that rotate to draw outside air into the engine room. Such a cross fan engine room blower may maximize an air flow rate in the engine room and reduce the possibility of foreign materials being introduced between the cross fans and a fan shroud, thereby reducing the possibility of a motor stalling or otherwise performing undesirably. Such a cross fan engine room blower may also improve an air flow quality by minimizing a dead zone of the air flow space to thereby reduce power consumption of a motor, thereby improving fuel efficiency.

Abstract: The present invention relates to collapsible snowshoes. In one embodiment, a collapsible snowshoe includes a collapsible frame, a webbing and a binding. The collapsible snowshoe frame includes a first pair of bars, a second pair of bars, a pair of joints and a center bar securing the pair of joints to each other. The pair of joints is coupled to the corresponding first end of each of the first pair of bars, and is also coupled to the corresponding first end of each of the second pair of bars.

Abstract: An air conditioning system for motor vehicles includes an air conditioner case having a left path, a right path and a rear seat path. A temperature door is configured to adjust a volume of a cold air or a hot air. A main blower is configured to blow the cold air or the hot air and an air volume distribution door is configured to control opening degrees of the left path and the right path. A rear seat auxiliary blower is configured to increase a volume and a pressure of the cold air or the hot air flowing through the rear seat path. A control unit is configured to, when an air volume distribution ratio of the main blower is changed, correct an opening position of the air volume distribution door and compensate a change in an air volume distribution ratio of the left path and the right path.

Abstract: Provided are a recombinant Ralstonia eutropha capable of producing polylactate or a hydroxyalkanoate-lactate copolymer, and a method of preparing polylactate or a hydroxyalkanoate-lactate copolymer using the same. The recombinant Ralstonia eutropha, which is prepared by introducing a gene of an enzyme converting lactate into lactyl-CoA and a gene of a polyhydroxyalkanoate (PHA) synthase using lactyl-CoA as a substrate thereto, may be cultured, thereby efficiently preparing a lactate polymer and a lactate copolymer.

Abstract: A drive motor capable of being separated from a rotation member when the rotation member is restrained, the drive motor being configured to be coupled with the rotation member to transmit rotating force to the rotation member, and may include a power transmission control device provided on a junction between the drive motor and the rotation member and configured such that the rotating force can be transmitted from the drive motor to the rotation member, and such that when the rotation member is restrained and rotation thereof is not allowed, the power transmission control device is elastically deformed so that the coupling of the rotation member with the drive motor is released and only the drive motor is allowed to be rotated.