Abstract: An aqueous solution for intraoral cleaning via irradiation with ultraviolet ray and/or near-ultraviolet visible ray and/or ray in an 800-900 nm near-infrared region is employed as the hydrogen peroxide aqueous solution, wherein a concentration of hydrogen peroxide is 1 w/v % to 7 w/v %, and a concentration of a hydrogen peroxide stabilizer is 81 ppm (mg/L) or less in the aqueous solution.

Abstract: An aqueous solution for intraoral cleaning via irradiation with ultraviolet ray and/or near-ultraviolet visible ray and/or ray in an 800-900 nm near-infrared region is employed as the hydrogen peroxide aqueous solution, wherein a concentration of hydrogen peroxide is 1 w/v % to 7 w/v %, and a concentration of a hydrogen peroxide stabilizer is 81 ppm (mg/L) or less in the aqueous solution.

Abstract: According to one embodiment, a microcontroller includes a processor, and a signal path that allows a signal conforming to an ISO7816 standard to be transferred between a card reader and a secure element without intervention of the processor.

Abstract: According to one embodiment, a microcontroller includes a processor, and a signal path that allows a signal conforming to an ISO7816 standard to be transferred between a card reader and a secure element without intervention of the processor.

Abstract: A process for producing a molybdenum-bismuth-iron-containing metal oxide fluidized bed catalyst which has a controlled particle diameter and has satisfactory activity and physical properties. In a process for producing a fluidized bed catalyst containing molybdenum-bismuth-iron and silica as a carrier component, dried products formed in a spray drying step and having a particle diameter outside a desired range are pulverized, then the pulverized one is mixed into a slurry before spray drying, the resulting mixture is spray-dried, and the spray-dried particles are subjected to a classification operation to obtain particles having a diameter within the desired range, which are then calcined. The catalyst produced according to the present invention is suitable for producing acrylonitrile by ammoxidation of propylene.

Abstract: A substrate for a probe card for use in testing semiconductor IC devices in a lump includes tester power supply terminals which receive a power supply voltage output from a tester. Power supply terminals are connected to a semiconductor IC device to be tested. At least two power supply layers each connect one of the tester power supply terminals to the power supply terminals.

Abstract: A method for regeneration of a molybdenum-containing oxide fluidized bed catalyst which comprises impregnating a fluidized catalyst of a metal oxide containing molybdenum, bismuth and iron which has been deteriorated by being used for a reaction in production of acrylonitrile by ammoxidation of propylene, with a solution of a molybdenum compound and a solution of at least one compound containing at least one element selected from the group consisting of iron, chromium, lanthanum and cerium which are prepared separately or with a previously prepared mixed solution of the above compounds, drying the resulting catalyst and, then, firing the catalyst at a temperature of 500-700° C.

Abstract: A substrate for a probe card for use in testing semiconductor IC devices in a lump includes tester power supply terminals which receive a power supply voltage output from a tester. Power supply terminals are connected to a semiconductor IC device to be tested. At least two power supply layers each connect one of the tester power supply terminals to the power supply terminals.

Abstract: A catalyst composition represented by the following empirical formula which is useful in production of unsaturated nitrites by ammoxidation: Mo10BiaFebSbcNidCreFfGgHhKkXxYyOi(SiO2)j wherein F represents at least one element selected from the group consisting of zirconium, lanthanum and cerium, G represents at least one element selected from the group consisting of magnesium, cobalt, manganese and zinc, H represents at least one element selected from the group consisting of vanadium, niobium, tantalum and tungsten, x represents at least one element selected from the group consisting of phosphorus, boron, and tellurium, Y represents at least one element selected from the group consisting of lithium, sodium, rubidium and cesium, the suffixes a-k, x and y represent a ratio of atoms or atomic groups, and a=0.1-3, b=0.3-15, c=0-20, d=3-8, e=0.2-2, f=0.05-1, e/f>1, g=0-5, h=0-3, k=0.

Abstract: In the gas phase oxidation of an organic compound, using a metallic oxide fluidized-bed catalyst that contains molybdenum in an amount of 10% by weight or more, bismuth, and at least an element selected from the group consisting of iron and cerium, when tellurium is incorporated into this catalyst in such an amount that the atomic ratio of the tellurium to the molybdenum is (0.05-1.5):10, the catalytic activity can be retained for a prolonged period of time, and, at the same time, the loss of molybdenum and tellurium can be prevented during the oxidation reaction.

Abstract: There is provided a process for producing a particulate iron-antimony containing oxide composition having high compressive strength, comprising the steps of: providing an aqueous slurry containing iron ions, nitrate ions and antimony trioxide; adjusting the slurry to a pH value in the range of 0.5 to 3 as measured at 40.degree. C.; heating the slurry; spray-drying the heated slurry; and calcining the resultant particles.

Abstract: The present invention provides a fluidized bed catalyst for the synthetic reaction of organic compounds which has a reduced catalyst loss. A fluidized bed catalyst for organic compound synthetic reaction, characterized in that 90% or more of the catalyst particles is in the range of 5-500 .mu.m on the weight-based particle size distribution and 90% or more of the 20-75 .mu.m particles has a crushing strength which satisfies the following equation:CS>A.multidot.d.sub..alpha.wherein CS represents a crushing strength ?g-weight/particle!,A represents a constant 0.001,d represents a particle diameter ?.mu.m!, and.alpha. represents a constant 2.

Abstract: A process for preparing an antimony/tellurium-containing metal oxide catalyst, comprising preparing a slurry containing an antimony compound, a polyvalent metal compound, and a silica support starting material selected from silica sol and mixtures of silica sol and white carbon, fumed silica or silica hydrogel, heating the slurry at a pH or 7 or less and a temperature of at least 40.degree. C., mixing the above heat treated slurry with a tellurium solution which has been independently prepared by oxidizing metallic tellurium with hydrogen peroxide in the presence of the oxide, oxyacid or oxyacid salt of at least one metal selected from the group consisting of vanadium, molybdenum and tungsten, and then drying and calcining the resulting mixture.

Abstract: Iron-antimony metallic oxide catalysts which have become deactivated after being used for the production of aldehydes, acids, nitriles, or dienes through oxidation, ammoxidation, or oxidative dehydrogenation of organic compounds in fluidized-bed reactors are regenerated by adding to the catalyst a molybdenum-enriched catalyst formed by supporting a molybdenum component which is volatile or capable of forming a volatile compound under reaction conditions on a metallic oxide catalyst. The metallic oxide catalysts contain as essential components (I) Fe, (II) Sb, (III) at least one element selected from the group consisting of V, Mo and W, and (IV) Te.

Abstract: A method for producing an aqueous silica sol is described, comprising admixing a fine silica powder having an ultimate particle size of 5 to 200 millimicrons with an aqueous medium at a pH not higher than 5 while applying ultrasonic vibrations having a frequency within the range of from 10 to 100 kilohertz to the aqueous medium to thereby disperse said silica powder in said aqueous medium and thus convert the mixture into an aqueous sol.

Abstract: A process for producing an antimony-containing oxide catalyst supported on silica for use in a fluidized bed reaction is described, by the steps of preparing a slurry containing an antimony compound, a polyvalent metal compound, and silica sol as the essential ingredients, heat treating the slurry at a pH of 7 or less and at a temperature of 40.degree. C. or higher, and thereafter spray-drying the slurry and calcining the dried particles, wherein said silica sol has a multi-peak particle size distribution profile that is derived by using a mixture of silica sol A in an amount corresponding to form 10 to 90 wt % of the total silica in the catalyst and silica sol B in an amount corresponding to 90 to 10 wt % of the total silica in the catalyst, with silica sols A and B having different average particle sizes, provided that the relations 3<da<100 and 0.1<da/db<0.9 are satisfied by da (m.mu.), the average particle size of silica sol A, and db (m.mu.), the average particle size of silica sol B.

Abstract: A process for the production of antimony-containing metal oxide catalysts, comprising preparing a slurry containing as essential components an antimony component, a polyvalent metal compound, and silica sol, heating and drying the slurry to form a solid product, and then calcining the solid product, wherein the antimony component is a mixture of (A) at least one of antimonic acid, polyantimonic acid and the salts thereof and (B) antimony trioxide, and is prepared by mixing (A) and (B) in such a manner that the antimony provided by the (B) constitutes from 0.1 to 70 atomic % of the total amount of antimony and further in an aqueous slurry state. These antimony-containing metal oxide catalysts have superior activity and physical properties, and further reproducibility in the preparation thereof. Thus they are useful for production of aldehydes and acids through oxidation, nitriles through ammoxidation, and dienes, unsaturated aldehydes and unsaturated acids through oxidative dehydrogenation.

Abstract: A process for producing an antimony-containing oxide catalyst with improved strength is described, by the steps of preparing a slurry containing an antimony compound, a polyvalent metal compound and a silica sol as the essential ingredients, adjusting the pH of the slurry to 7 or less, heat treating the slurry at a temperature of 40.degree. C. or higher, and thereafter drying the slurry and calcining the dried particles, wherein said slurry is irradiated with ultrasonic waves during the pH adjustment, or after the pH adjustment and before completion of the heat treatment.

Abstract: Iron-antimony metallic oxide catalysts which have become deactivated after being used for the production of aldehydes, acids, nitriles, or dienes through oxidation, ammoxidation, or oxidative dehydrogenation of organic compounds in fluidized-bed reactors are regenerated by adding to the catalyst a solid molybdenum component which is volatile or capable of forming a volatile compound under reaction conditions. The metallic oxide catalysts contain as essential components (I) Fe, (II) Sb, (III) at least one element selected from the group consisting of V, MO, and W, and (IV) Te.

Abstract: Antimony-containing metal oxide catalysts are produced or activated by dry blending (a) a catalyst or catalyst precursor composed of an antimony-containing metal oxides composition containing antimony and at least one element selected from the group consisting of iron, cobalt, nickel, manganese, cerium, uranium, tin, titanium, and copper, and (b) elemental antimony or an antimony compound, and contacting the components (a) and (b) with each other at about 300.degree. C. to about 1000.degree. C. in a non-reducing gas atmosphere for a period sufficient for the elemental antimony or antimony compound (b) to deposit on the catalyst or catalyst precursor (a).