Abstract: The present invention relates to a catalyst for converting diesel and kerosene, which are increasingly likely to be not utilized, into basic chemical raw materials, and a method for producing the catalyst, and the catalyst is a catalyst containing a porous zeolite having pores; and phosphorus (P) supported in internal pores of the zeolite and on a surface of the zeolite, wherein the amount of Lewis acid sites in the phosphorus-supported zeolite is 20 to 100 ?mol/g, and the catalyst is used for producing a basic chemical raw material through catalytic cracking of a hydrocarbon feed having a boiling point of 150° C. or higher and 550° C. or lower.

Abstract: The austenitic stainless steel containing niobium according to an exemplary embodiment of the present invention includes: 16 to 26 wt. % of chromium (Cr), 8 to 22 wt. % of nickel (Ni), 0.02 to 0.1 wt. % of carbon (C), 0.2 to 1 wt. % of niobium (Nb), 0.015 to 0.025 wt. % of titanium (Ti), 0.004 to 0.01 wt. % of nitrogen (N), and 0.5 to 2 wt. % of manganese (Mn), wherein the austenitic stainless steel containing niobium has an austenitic matrix structure, a fine niobium carbide and a fine titanium nitride are precipitated in the austenitic matrix structure, and the fine niobium carbide is uniformly dispersed in the austenitic matrix structure.

Abstract: The austenitic stainless steel containing niobium according to an exemplary embodiment of the present invention includes: 16 to 26 wt. % of chromium (Cr), 8 to 22 wt. % of nickel (Ni), 0.02 to 0.1 wt. % of carbon (C), 0.2 to 1 wt. % of niobium (Nb), 0.015 to 0.025 wt. % of titanium (Ti), 0.004 to 0.01 wt. % of nitrogen (N), and 0.5 to 2 wt. % of manganese (Mn), wherein the austenitic stainless steel containing niobium has an austenitic matrix structure, a fine niobium carbide and a fine titanium nitride are precipitated in the austenitic matrix structure, and the fine niobium carbide is uniformly dispersed in the austenitic matrix structure.

Abstract: The austenitic stainless steel containing niobium according to an exemplary embodiment of the present invention includes: 16 to 26 wt. % of chromium (Cr), 8 to 22 wt. % of nickel (Ni), 0.02 to 0.1 wt. % of carbon (C), 0.2 to 1 wt. % of niobium (Nb), 0.015 to 0.025 wt. % of titanium (Ti), 0.004 to 0.01 wt. % of nitrogen (N), and 0.5 to 2 wt. % of manganese (Mn), wherein the austenitic stainless steel containing niobium has an austenitic matrix structure, a fine niobium carbide and a fine titanium nitride are precipitated in the austenitic matrix structure, and the fine niobium carbide is uniformly dispersed in the austenitic matrix structure.

Abstract: The austenitic stainless steel containing niobium according to an exemplary embodiment of the present invention includes: 16 to 26 wt. % of chromium (Cr), 8 to 22 wt. % of nickel (Ni), 0.02 to 0.1 wt. % of carbon (C), 0.2 to 1 wt. % of niobium (Nb), 0.015 to 0.025 wt. % of titanium (Ti), 0.004 to 0.01 wt. % of nitrogen (N), and 0.5 to 2 wt. % of manganese (Mn), wherein the austenitic stainless steel containing niobium has an austenitic matrix structure, a fine niobium carbide and a fine titanium nitride are precipitated in the austenitic matrix structure, and the fine niobium carbide is uniformly dispersed in the austenitic matrix structure.

Abstract: According to an embodiment, an electronic device, comprises a first communication circuit configured to support near-field communication (NFC); a second communication circuit configured to support wireless communication; at least one memory device; and at least one processor operationally connected with the first communication circuit, the second communication circuit, and the at least one memory device, wherein the at least one memory device stores instructions, when executed, cause the at least one processor to perform operations comprising: receive, from a first external electronic device via the first communication circuit, a first request for the first external electronic device to perform a transaction with a second external electronic device, in response to the first request: transmit the first request via the second communication circuit to the second external electronic device; and transmit a first response, corresponding to the first request, the first response including data stored in the at least

Abstract: An electronic device is provided. The electronic device includes a processor configured to execute a roaming application, a communication circuit configured to enable a first subscriber identity module (SIM) and to communicate with a network based on the first SIM, and a memory configured to store data associated with the roaming application. The processor is further configured to, when a roaming service product is selected in the roaming application, download a second SIM corresponding to the roaming service product from a server and enable an activation menu of the roaming service product included in the roaming application, based on location information of the electronic device.

Abstract: According to an embodiment, an electronic device, comprises a first communication circuit configured to support near-field communication (NFC); a second communication circuit configured to support wireless communication; at least one memory device; and at least one processor operationally connected with the first communication circuit, the second communication circuit, and the at least one memory device, wherein the at least one memory device stores instructions, when executed, cause the at least one processor to perform operations comprising: receive, from a first external electronic device via the first communication circuit, a first request for the first external electronic device to perform a transaction with a second external electronic device, in response to the first request: transmit the first request via the second communication circuit to the second external electronic device; and transmit a first response, corresponding to the first request, the first response including data stored in the at least

Abstract: An electronic device is provided. The electronic device includes a processor configured to execute a roaming application, a communication circuit configured to enable a first subscriber identity module (SIM) and to communicate with a network based on the first SIM, and a memory configured to store data associated with the roaming application. The processor is further configured to, when a roaming service product is selected in the roaming application, download a second SIM corresponding to the roaming service product from a server and enable an activation menu of the roaming service product included in the roaming application, based on location information of the electronic device.

Abstract: The present invention relates to a eutectic mixture wherein poloxamer is added to the poorly soluble drug celecoxib to significantly increase the solubility and bioavailability of celecoxib.