Abstract: A conversation provision method includes forming a conversation session between an agent and a user; generating an utterance of the agent by using the user's history related to a previous conversation session having been formed before the conversation session; and performing a conversation with the user by providing the utterance of the agent to the user.

Abstract: Provided is a polyamide-imide film including: a polyamide-imide resin and a porphyrin-based dye. The polyamide-imide film has excellent optical properties, and, in particular, may maintain an excellent yellow index even in a repeated temperature change environment.

Abstract: A mixed refrigerant composition includes carbon dioxide (R-744), 2,3,3,3-tetrafluoropropene (R-1234yf) and 1,1-difluoroethane (R-152a). A content of the carbon dioxide (R-744) ranges from 1 to 10 wt. % based on a total weight of the mixed refrigerant composition, and a content of the 2,3,3,3-tetrafluoropropene (R-1234yf) ranges from 65 to 95 wt. % based on the total weight of the mixed refrigerant composition, and a content of the 1,1-difluoroethane (R-152a) ranges from 1 to 30 wt. % based on the total weight of the mixed refrigerant composition. A boiling point at 1 atm of the mixed refrigerant composition ranges from ?65 to ?30° C.

Abstract: A mixed refrigerant composition includes carbon dioxide (R-744), 2,3,3,3-tetrafluoropropene (R-1234yf) and trifluoroiodomethane (R-13I1). A content of the carbon dioxide (R-744) ranges from 1 to 10 wt. % based on a total weight of the mixed refrigerant composition, and a sum of a content of the 2,3,3,3-tetrafluoropropene (R-1234yf) and a content of the trifluoroiodomethane (R-13I1) ranges from 90 to 99 wt. % based on the total weight of the mixed refrigerant composition. A boiling point at 1 atm of the mixed refrigerant composition ranges from ?76 to ?35° C.

Abstract: An embodiment relates to a diamine compound, a polymer including a structural unit derived therefrom, a composition for forming a polyimide film including the polymer, and a polyimide film prepared by using the composition. Specifically, the diamine compound according to an embodiment may be very usefully used as a monomer for preparing a polyimide film that is colorless and has an improved mechanical strength.

Abstract: A refrigerant composition according to embodiments of the present disclosure includes trifluoroiodomethane (R-131I), 1,1-difluoroethane (R-152a) and difluoromethane (R-32), wherein a content of the trifluoroiodomethane (R-131I) may be 20 to 60 wt. % based on a total weight of the refrigerant composition. Accordingly, environmental pollution caused by the refrigerant composition may be suppressed, and the cooling performance of the refrigerant composition may be improved.

Abstract: The mixed refrigerant composition according to embodiments of the present disclosure includes carbon dioxide (R-744), trifluoroiodomethane (R-13I1), and 1,1-difluoroethane (R-152a), wherein a sum of contents of the trifluoroiodomethane (R-13I1) and the 1,1-difluoroethane (R-152a) based on a total weight of the mixed refrigerant composition may be 60 wt. % or more and less than 100 wt. %. Accordingly, environmental pollution caused by the mixed refrigerant composition may be suppressed, and the cooling performance of the mixed refrigerant composition may be improved.

Abstract: The present invention relates to a polyimide-based film which does not substantially cause a mura or rainbow phenomenon and has excellent visibility, a window cover film including the same, and a display panel including the same.

Abstract: The present disclosure relates to a computing device for performing data communication between a plurality of applications by using an application programming interface (API). According to the present disclosure, a computing device includes a first application memory storing a master application that transfers shared information to a shared memory by using a first memory function, a second application memory storing a slave application that receives the shared information from the shared memory by using a second memory function, and the shared memory connected between the first application memory and the second application memory and configured to transfer the shared information between the master application and the slave application.

Abstract: Disclosed is a composition containing a Lactobacillus fermentum strain, preferably a composition containing Lactobacillus fermentum GB-102 strain deposited with accession number KCTC 14105BP and natural killer cells, and the use of the strain for administration in combination with natural killer cells for the suppression of weight gain or the prevention and/or treatment of metabolic diseases, and the composition and the combination therapy have an effect of remarkably suppressing weight gain. The composition and the combination therapy can be easily used to control the body weight of a subject, and are useful in the fields of beauty, livestock, medicines, and the like, in particular, are useful in the fields of pharmaceutical compositions, food additives, health functional foods, and therapeutic agents for ameliorating, preventing and treating metabolic diseases including obesity.

Abstract: Disclosed is a composition containing a Lactobacillus fermentum strain, preferably a composition containing Lactobacillus fermentum GB-102 strain deposited with accession number KCTC 14105BP and regulatory T cells, and the use of co-administration of the strain and regulatory T cells for the suppression of weight gain or the prevention and/or treatment of metabolic diseases. The composition and the combination therapy have an effect of remarkably suppressing weight gain. Therefore, the composition and the combination therapy can be easily used to control the body weight of a subject, and are useful in the fields of beauty, livestock, medicines, and the like, in particular, are useful in the fields of pharmaceutical compositions, food additives, health functional foods, and therapeutic agents for ameliorating, preventing and treating metabolic diseases.

Abstract: The present specification may provide a novel single-stranded nucleic acid aptamer capable of simultaneous detection of seven Cronobacter species, a composition or kit for multiple detection comprising the aptamer. The novel single-stranded nucleic acid aptamer of the disclosure can bind to all seven reclassified Cronobacter species, which are pathogenic bacteria, with high binding affinity due to its affinity and specificity. Therefore, the seven Cronobacter species can be easily and efficiently multi-detected from the environment where various bacteria are colonized and inhabited, and from contaminated food and water.

Abstract: Provided are a polyamideimide film, a window cover film, and a display panel including the same. More specifically, a polyamideimide film including an amideimide structure derived from a dianhydride, a diamine, and an aromatic diacid dichloride is provided, wherein a chlorine content in the film is 5 to 33 ppm and a yellow index change amount ?YI is 5 or less, the yellow index change amount being measured in accordance with ASTM E313 after repeating a process of irradiating 0.55 W/m2 of UVA at 340 nm at 40° C. for 20 hours and then blocking UVA for 4 hours three times.

Abstract: The present invention relates to a polyimide-based film, a window cover film including the polyimide-based film, and a display panel including the polyimide-based film. More specifically, the present invention relates to a polyimide-based film of which a modulus measured according to ASTM D882 is 5 GPa or more and a rate of change of the modulus, after the polyimide-based film is maintained under a high-temperature and high-humidity condition of 60° C. and 90% RH for 500 hours, is 10% or less.

Abstract: The present invention relates to a method for effectively proliferating regulatory T cells, by which, particularly, in the presence of a fusion protein dimer comprising IL-2. protein or a variant thereof and CD80 protein or a fragment thereof, CD4+, CD25+, and CD127? T cells can be effectively proliferated. In particular, when combined with a predetermined cell culture medium, regulatory T cells such as CD4+, CD25+, and CD127? can be effectively and specifically proliferated. In addition, when the method is used, it has been confirmed that the survival rate of regulatory T cells is remarkably increased as compared to a conventionally used culture method using IL-2, and a significant increase in the yield of Foxp3+ regulatory T cells has been confirmed. Thus, such a proliferation method can be used in the field of cell therapeutic agents using regulatory T cells.

Abstract: The present invention relates to a method for effectively proliferating regulatory T cells, by which, particularly, in the presence of a fusion protein dimer comprising IL-2 protein or a variant thereof and CD80 protein or a fragment thereof, CD4+, CD25+, and CD127? T cells can be effectively proliferated. In particular, when combined with a predetermined cell culture medium, regulatory T cells such as CD4+, CD25+, and CD127? can be effectively and specifically proliferated. In addition, when the method is used, it has been confirmed that the survival rate of regulatory T cells is remarkably increased as compared to a conventionally used culture method using IL-2, and a significant increase in the yield of Foxp3+ regulatory T cells has been confirmed. Thus, such a proliferation method can be used in the field of cell therapeutic agents using regulatory T cells.

Abstract: An embodiment relates to a diamine compound, a polymer including a structural unit derived therefrom, a composition for forming a polyimide film including the polymer, and a polyimide film prepared by using the composition. Specifically, the diamine compound according to an embodiment may be very usefully used as a monomer for preparing a polyimide film that is colorless and has an improved mechanical strength.

Abstract: The present disclosure relates to a composition containing a polyamideimide precursor and/or polyamideimide, a polyamideimide film produced using the composition, and a display device including the polyamideimide film. The polyamideimide film produced using the composition and the display device including the polyamideimide film have excellent mechanical and optical properties.

Abstract: Provided is a polyamideimide film and an image display device including the same and a polyamideimide film which may satisfy a high light transmittance while maintaining mechanical properties to significantly improve viewing properties, and may satisfy all of a low refractive index, a low retardation in the unit thickness direction (Rth), a low yellow index, a low haze, and the like to significantly improve optical properties such as transparency and visibility. An image display device including the same is also provided.

Abstract: Disclosed is a method for manufacturing an electrode for alkaline water electrolysis, the method including: dissolving a metal salt in a solvent, followed by synthesis, to prepare a wet powder; performing an oxidative heat treatment on the wet powder; and performing a reductive heat treatment on the oxidatively heat treated powder.