Abstract: The use of Bifidobacterium lactis BL-99 in the prevention and/or amelioration of gastritis. The present invention provides the use of Bifidobacterium lactis in the preparation of a composition for preventing and/or ameliorating gastritis, wherein the Bifidobacterium lactis is Bifidobacterium lactis having the deposit number of CGMCC No. 15650. The Bifidobacterium lactis can prevent and/or ameliorate chronic gastritis, and/or prevent and/or ameliorate gastric mucosal atrophy associated with gastritis.

Abstract: A catalyst composition comprising a) platinum; and b) at least one composite, wherein platinum is supported on the composite, wherein the composite comprises: ceria (calculated as CeO2) in an amount of 5.0 to 50 wt. %, based on the total weight of the composite; alumina (calculated as Al2O3) in an amount of IO to 80 wt. %, based on the total weight of the composite; and magnesia (calculated as MgO) in an amount of to 80 wt. %, based on the total weight of the composite. The present invention also provides a process for the preparation of the catalyst composition. The present invention further provides a catalytic article and its preparation.

Abstract: Methods for fabricating thermally stable reducible metal oxide catalyst support structures on a base material using a multi-step incipient wetness impregnation (IWI) process are disclosed. For example, reducible metal oxide catalyst support structures having high surface area and high thermal stability may be formed using a multi-step IWI process, where the support structure is generated through high-temperature calcination between IWI steps. The metal or metal oxide catalysts fabricated using the methods are also disclosed. The generation of engineered surface defects on reducible metal oxides using a gas reduction process to serve as anchoring sites for metal or metal oxide catalysts is also disclosed. Generating engineered defects through a gas reduction process may be a relatively low-cost and scalable process suitable for fabricating efficient catalysts using a wide range of materials.

Abstract: This application discloses a virtual character control method and apparatus, a storage medium, and an electronic device. The method includes: displaying, in response to a second virtual character being located in a first virtual region of a group of virtual regions, a first virtual item in an open state, a first virtual character located on the first virtual item, and a group of virtual items that the first virtual character has not passed; and displaying, in response to the second virtual character moving from the first virtual region to a second virtual region in the group of virtual regions, virtual items of a second type in the group of virtual items being in the open state, and virtual items of a second remaining type in the group of virtual items being in a closed state. The second remaining type is a type other than the second type in the types to which the group of virtual items belongs. According to this application, the technical problem of lack of interaction between players in games is solved.

Abstract: This disclosure is directed to catalyst compositions, catalytic articles for purifying exhaust gas emissions and methods of making and using the same. In particular, the disclosure relates to a catalytic article including a catalytic material on a substrate, wherein the catalytic material has a first layer and a second layer. The first layer includes a platinum group metal (PGM) component impregnated on a porous support material; and the second layer includes a rhodium component impregnated on a support material, wherein the support material is a composite material including zirconia doped with baria, alumina, or combinations thereof, wherein the zirconia-based support material includes zirconia in an amount from about 80 to about 99 wt. %.

Abstract: A low pin count (LPC) bus serial interrupt system includes: an interrupt direction signal generator configured to determine a current interrupt direction signal according to whether a host currently sends a first interrupt signal to an external device; and a level-shifter configured to convert a voltage level of a signal exchanged between the host and the external device according to the current interrupt direction signal.

Abstract: A method for fabricating a precious metal catalyst may include depositing a precious metal on a base material to form a catalyst structure, performing a first calcination on the catalyst structure, depositing a metal oxide on the catalyst structure such that the precious metal is at least partially encapsulated by the metal oxide, performing a second calcination on the catalyst structure, and reducing the catalyst structure with a reductive material to induce diffusion of at least a portion of the precious metal to a surface of the metal oxide.

Abstract: A catalyst may include a base material, a precious metal, and a metal oxide. At least a portion of the precious metal may form catalytically active sites on a surface of the metal oxide. The catalytically active sites may be formed by depositing the precious metal on the base material to form a catalyst structure, performing a first calcination on the catalyst structure, depositing the metal oxide on the catalyst structure, wherein the precious metal is at least partially encapsulated by the metal oxide, performing a second calcination on the catalyst structure, and reducing the catalyst structure with a reductive material, where at least a portion of the precious metal diffuses to a surface of the metal oxide to form the catalytically active sites.

Abstract: A catalyst support structure may include a base material and a metal oxide support structure. The metal oxide support structure may be formed by loading a first concentration of precursors of a metal oxide onto the base material using incipient wetness impregnation (IWI) to form the catalyst support structure, performing a first calcination process on the catalyst support structure at a first temperature to produce first structures of the metal oxide, loading a second concentration of precursors of the metal oxide onto the catalyst support structure using IWI to at least partially cover the first structures of the metal oxide, and performing a second calcination process on the catalyst support structure at a second temperature lower than the first temperature to produce second structures of the metal oxide.

Abstract: A processor interface assembly includes: a first interface circuit including a plurality of sub-interface circuits and configured to couple with a plurality of peripheral devices, wherein the plurality of peripheral devices is configured to occupy a pre-determined address space, and the pre-determined address space includes multiple sub-address spaces; and a controller including a register and configured to set a sub-address space occupied by at least one type of peripheral devices among the plurality of peripheral devices based on at least a portion of data stored in the register.

Abstract: Methods for fabricating thermally stable reducible metal oxide catalyst support structures on a base material using a multi-step incipient wetness impregnation (IWI) process are disclosed. For example, reducible metal oxide catalyst support structures having high surface area and high thermal stability may be formed using a multi-step IWI process, where the support structure is generated through high-temperature calcination between IWI steps. The metal or metal oxide catalysts fabricated using the methods are also disclosed. The generation of engineered surface defects on reducible metal oxides using a gas reduction process to serve as anchoring sites for metal or metal oxide catalysts is also disclosed. Generating engineered defects through a gas reduction process may be a relatively low-cost and scalable process suitable for fabricating efficient catalysts using a wide range of materials.

Abstract: An interrupt request signal conversion system includes an interrupt request signal converter configured to generate one or more converted interrupt request signals based on one or more signals received from one or more peripheral devices, and a signal output terminal configured to send the one or more converted interrupt request signals to an interface module of a processor during operation. Each of the one or more converted interrupt request signals includes a plurality of interrupt identification bits each used to identify, based on a first level and a second level different from the first level, whether a signal received from a corresponding one of the one or more peripheral devices within a predetermined time range includes a peripheral interrupt request signal.

Abstract: A serial interrupt method includes receiving a blank serial interrupt request signal (SerIRQ) and a level signal of a peripheral, based on the blank SerIRQ, generating an indication SerIRQ including an indication interrupt bit (IRQ_n) according to the level signal, and sending the instruction SerIRQ to a processor. The indication IRQ_n identifies the peripheral based on a binary code represented by a first level and a second level.

Abstract: A three-way catalyst for reduced palladium loading is provided. The catalyst includes an inert substrate and a palladium catalyst material coating the substrate. The palladium catalyst material includes a support material formed from one of 10% CeO2/Al2O3, 20% CeO2—Al2O3 (20CeAlOy), 30% CeO2—Al2O3 (30CeAlOy), Al2O3, and MOx-Al2O3, wherein M is one of copper, iron, manganese, titanium, zirconium, magnesium, strontium, and barium. The palladium catalyst material includes a layer of CeO2 material disposed upon the support material, wherein the layer of CeO2 material is dispersed on a surface of the support material. The palladium catalyst material includes an active component including a layer of praseodymium oxide particles dispersed across the surface of the layer of CeO2 material and a layer of palladium particles disposed upon and dispersed across the surface of the layer of CeO2 material at locations each corresponding to a respective location of each of the praseodymium particles.

Abstract: A three-way catalyst for reduced palladium loading is provided. The catalyst includes an inert substrate and a palladium catalyst material coating the substrate. The palladium catalyst material includes a support material formed from one of 10% CeO2/Al2O3, 20% CeO2—Al2O3 (20CeAlOy), 30% CeO2—Al2O3 (30CeAlOy), Al2O3, and MOx-Al2O3, wherein M is one of copper, iron, manganese, titanium, zirconium, magnesium, strontium, and barium. The palladium catalyst material includes a layer of CeO2 material disposed upon the support material, wherein the layer of CeO2 material is dispersed on a surface of the support material. The palladium catalyst material includes an active component including a layer of praseodymium oxide particles dispersed across the surface of the layer of CeO2 material and a layer of palladium particles disposed upon and dispersed across the surface of the layer of CeO2 material at locations each corresponding to a respective location of each of the praseodymium particles.

Abstract: A layered catalyst structure for purifying an exhaust gas stream includes a catalyst support and a palladium catalyst layer including an atomic dispersion of palladium ions electrostatically adsorbed onto an exterior surface of the catalyst support. The catalyst support includes an alumina substrate, a first ceria layer disposed on and extending substantially continuously over the alumina substrate, and a second colloidal ceria layer formed directly on the first ceria layer over the alumina substrate. The palladium catalyst layer is formed on the exterior surface of the catalyst support by applying a palladium-containing precursor solution to the exterior surface of the catalyst support and then heating the catalyst support and the palladium-containing precursor solution. The palladium-containing precursor solution includes a positively charged palladium complex in an aqueous medium and has a pH greater than a point of zero charge of the second colloidal ceria layer.

Abstract: A layered catalyst structure for purifying an exhaust gas stream includes a catalyst support and a palladium catalyst layer including an atomic dispersion of palladium ions electrostatically adsorbed onto an exterior surface of the catalyst support. The catalyst support includes an alumina substrate, a first ceria layer disposed on and extending substantially continuously over the alumina substrate, and a second colloidal ceria layer formed directly on the first ceria layer over the alumina substrate. The palladium catalyst layer is formed on the exterior surface of the catalyst support by applying a palladium-containing precursor solution to the exterior surface of the catalyst support and then heating the catalyst support and the palladium-containing precursor solution. The palladium-containing precursor solution includes a positively charged palladium complex in an aqueous medium and has a pH greater than a point of zero charge of the second colloidal ceria layer.

Abstract: The present disclosure provides SCR catalyst compositions capable of reducing nitrogen oxide (NOx) emissions in engine exhaust. The catalyst compositions include a reducible metal oxide support containing ceria, one or more transition metal oxides as a redox promotor; and an oxide of niobium, tungsten, silicon, molybdenum, or a combination thereof as an acidic promotor. The redox promotor and the acid promotor are both supported on the reducible metal oxide support. Further provided are SCR catalyst articles coated with such compositions, processes for preparing such catalyst compositions and articles, an exhaust gas treatment system including such catalyst articles, and methods for reducing NOx in an exhaust gas stream using such catalyst articles and systems.

Abstract: A catalyst may include a base material, a precious metal, and a metal oxide. At least a portion of the precious metal may form catalytically active sites on a surface of the metal oxide. The catalytically active sites may be formed by depositing the precious metal on the base material to form a catalyst structure, performing a first calcination on the catalyst structure, depositing the metal oxide on the catalyst structure, wherein the precious metal is at least partially encapsulated by the metal oxide, performing a second calcination on the catalyst structure, and reducing the catalyst structure with a reductive material, where at least a portion of the precious metal diffuses to a surface of the metal oxide to form the catalytically active sites.

Abstract: Methods for fabricating thermally stable reducible metal oxide catalyst support structures on a base material using a multi-step incipient wetness impregnation (IWI) process are disclosed. For example, reducible metal oxide catalyst support structures having high surface area and high thermal stability may be formed using a multi-step IWI process, where the support structure is generated through high-temperature calcination between IWI steps. The metal or metal oxide catalysts fabricated using the methods are also disclosed. The generation of engineered surface defects on reducible metal oxides using a gas reduction process to serve as anchoring sites for metal or metal oxide catalysts is also disclosed. Generating engineered defects through a gas reduction process may be a relatively low-cost and scalable process suitable for fabricating efficient catalysts using a wide range of materials.