Abstract: One aspect of the present invention relates to a recovery method of 226Ra, and the recovery method of 226Ra includes a step (A1) of immersing a solid-state 226Ra containing substance and a carrier having a function of adsorbing 226Ra ions in a processing solution, and then irradiating the processing solution with ultrasonic waves.

Abstract: A method for producing an 225Ac solution includes a step (I) of irradiating a 226Ra target with particles to generate two or more actinium radioisotopes (Ac) including at least 225Ac, a step (II) of dissolving the 226Ra target after the aforementioned step to obtain a solution (1), a step (III) of separating 226Ra and Ac contained in the solution (1) to obtain a solution (2), a step (IV) of allowing Ac contained in the solution (2) other than 225Ac to decay to obtain a solution (3), and a step (V) of separating Ra and Ac contained in the solution (3) to obtain a solution (4). The solution (4) is used to produce a medicine that contains, as an active ingredient, a conjugate between a chelating agent that has formed a complex with 225Ac, and a targeting agent.

Abstract: A method for producing an 225Ac solution includes a step (I) of irradiating a 226Ra target with particles to generate two or more actinium radioisotopes (Ac) including at least 225Ac, a step (II) of dissolving the 226Ra target after the aforementioned step to obtain a solution (1), a step (III) of separating 226Ra and Ac contained in the solution (1) to obtain a solution (2), a step (IV) of allowing Ac contained in the solution (2) other than 225Ac to decay to obtain a solution (3), and a step (V) of separating Ra and Ac contained in the solution (3) to obtain a solution (4). The solution (4) is used to produce a medicine that contains, as an active ingredient, a conjugate between a chelating agent that has formed a complex with 225Ac, and a targeting agent.

Abstract: A method for producing an 225Ac solution includes a step (I) of irradiating a 226Ra target with particles to generate two or more actinium radioisotopes (Ac) including at least 225Ac, a step (II) of dissolving the 226Ra target after the aforementioned step to obtain a solution (1), a step (III) of separating 226Ra and Ac contained in the solution (1) to obtain a solution (2), a step (IV) of allowing Ac contained in the solution (2) other than 225Ac to decay to obtain a solution (3), and a step (V) of separating Ra and Ac contained in the solution (3) to obtain a solution (4). The solution (4) is used to produce a medicine that contains, as an active ingredient, a conjugate between a chelating agent that has formed a complex with 225Ac, and a targeting agent.

Abstract: One embodiment of the present invention relates to a production method of a 226Ra target, a production method of 225Ac, or an electrodeposition solution for producing a 226Ra target, and the production method of a 226Ra target includes an electrodeposition step of electrodepositing a 226Ra-containing substance on a substrate by using an electrodeposition solution that contains 226Ra ions and a pH buffer.

Abstract: One embodiment of the present invention relates to a production method of 225Ac includes; a production step of a 226Ra target including an electrodeposition step of electrodepositing a 226Ra-containing substance on a substrate by using an electrodeposition solution that contains 226Ra ions and a pH buffer, and an irradiating step of irradiating the 226Ra target with at least one selected from charged particles, photons, and neutrons.

Abstract: A heating furnace includes: a heating furnace main body that includes an accommodation chamber capable of accommodating a heating target object; a heat source capable of heating an inside of the accommodation chamber to an annealing point; a gas supply source that is arranged outside the heating furnace main body; and a pipeline that includes a pipeline main body that is arranged inside the accommodation chamber, and that is heated by the heat source, the pipeline main body being configured to retain a gas supplied from the gas supply source and heat the gas to the annealing point, and a discharge outlet that is formed on an end portion of the pipeline main body, and that is opened inside the accommodation chamber, the discharge outlet being configured to discharge the gas that is heated to the annealing point, to the inside of the accommodation chamber.

Abstract: A golf ball core for use in a multi-piece golf ball includes a solid sphere and between 100 and 300 spaced polygonal protrusions extending from the solid sphere in a radially outward direction. The sphere is substantially formed from an ionomeric material, and has a diameter (D) of between 24 mm and 32 mm. The polygonal protrusions extend from the sphere by a maximum distance of between 0.15 mm and 1.0 mm.

Abstract: A multi-layer golf ball includes a core, an intermediate layer surrounding the core, and a cover layer surrounding the intermediate layer. The core defines an outer surface that includes a plurality of polygonal land portions substantially aligned on a common sphere, which has a diameter of between 22 mm and 32 mm. The intermediate layer has a radially inward-facing surface that is flush with the outer surface of the core, and has a radial thickness of between 4 mm and 9 mm. The outer surface of the core defines a first set of annular grooves disposed about a first axis, and a second set of annular grooves disposed about a second axis. Each of the first and second set of annular grooves extend radially inward from the common sphere, and the first axis and the second axis are orthogonal.

Abstract: An optical element manufacturing method includes: heating and softening a molding material so as to mold an optical element; and creating a scattering region outside an effective diameter of the optical element while substantially maintaining an outside dimension of the optical element formed in molding, wherein, in the creating, the scattering region is created in a region outside the effective diameter of the optical element by irradiating the region outside the effective diameter of the optical element with a laser and forming a crack or an altered layer.

Abstract: A multi-layer golf ball includes a core having an outer surface, and intermediate layer surrounding the core, and a cover surrounding the intermediate layer. The intermediate layer defines a radially inward facing surface that is flush with the outer surface of the core, and the cover defines the outermost surface of ball. The outer surface of the core includes a plurality of polygonal land portions aligned on a common sphere. The outer surface of the core further defines a first plurality of annular grooves disposed about a first axis, a second plurality of annular grooves disposed about a second axis, and a third plurality of annular grooves disposed about a third axis. The first axis, the second axis, and the third axis are mutually orthogonal, and each groove respectively extends from the common sphere and is concave relative to the core.

Abstract: A multi-layer golf ball includes a core formed from an ionomer, an intermediate layer surrounding the core, and a cover surrounding the intermediate layer. The core has a material hardness measured on the JIS-C scale of from about 34 to about 70, and has an outer surface that includes a plurality of land portions aligned on a common sphere, and a plurality of grooves separating the respective land portions and extending radially inward from the sphere. The plurality of grooves includes both a first set of grooves, and a second set of grooves that are perpendicular to each other. The intermediate layer is formed from a rubber material and has a radial thickness measured from the common sphere of from about 4.0 mm to about 9.0 mm. Additionally, the core has a 10-130 kg compression deformation of from about 3.5 to about 5.5 mm.

Abstract: A multi-layer golf ball includes a core, and intermediate layer, and a cover. The core has an outer surface that includes a plurality of depressions extending from a spherical land portion. Each depression has a maximum depth relative to the spherical land portion of between 0.15 mm and 2.0 mm. The intermediate layer surrounds the core and has a radially inward surface that is flush with the outer surface of the core. The cover layer surrounds the intermediate layer and defines an outermost portion of ball.

Abstract: A multi-layer golf ball includes a core, an intermediate layer surrounding the core, and a cover layer surrounding the intermediate layer. The core defines an outer surface that includes a plurality of polygonal land portions substantially aligned on a common sphere, which has a diameter of between 22 mm and 32 mm. The intermediate layer has a radially inward-facing surface that is flush with the outer surface of the core, and has a radial thickness of between 4 mm and 9 mm. The outer surface of the core defines a first set of annular grooves disposed about a first axis, and a second set of annular grooves disposed about a second axis. Each of the first and second set of annular grooves extend radially inward from the common sphere, and the first axis and the second axis are orthogonal.

Abstract: A multi-layer golf ball includes a core, an intermediate layer surrounding the core, and a cover layer surrounding the intermediate layer. The core defines an outer surface that includes a plurality of polygonal land portions substantially aligned on a common sphere, which has a diameter of between 22 mm and 32 mm. The intermediate layer has a radially inward-facing surface that is flush with the outer surface of the core, and has a radial thickness of between 4 mm and 9 mm. The outer surface of the core defines a first set of annular grooves disposed about a first axis, and a second set of annular grooves disposed about a second axis. Each of the first and second set of annular grooves extend radially inward from the common sphere, and the first axis and the second axis are orthogonal.

Abstract: A multi-layer golf ball includes a core, and intermediate layer, and a cover. The core has an outer surface that includes a plurality of depressions extending from a spherical land portion. Each depression has a maximum depth relative to the spherical land portion of between 0.15 mm and 2.0 mm. The intermediate layer surrounds the core and has a radially inward surface that is flush with the outer surface of the core. The cover layer surrounds the intermediate layer and defines an outermost portion of ball.

Abstract: A golf ball includes a core and a cover surrounding the core. The cover includes a first hemispherical half and a second hemispherical half that define a seam line therebetween and along an outer surface of the cover. The seam line is non-planar and includes a repeating trapezoidal wave having a first portion disposed at a first latitude, a second portion disposed at a second latitude, and a linear ramping transition between the first portion and the second portion. The seam line further includes a first curvilinear wave superposed within the first portion of the trapezoidal wave, and a second curvilinear wave superposed within the second portion of the trapezoidal wave.

Abstract: A method of forming a coating layer on a golf ball includes spraying a first quantity of a coating composition onto the golf ball to form a partially-coated golf ball that has a first pole disposed in a top position, a second pole disposed in a bottom position, a diameter extending between the first and second poles, and an axis of rotation perpendicular to the diameter. After spraying the first quantity, the method includes rotating the partially-coated golf ball about the axis to translate the first and second poles such that the first pole is disposed in the bottom position and the second pole is disposed in the top position. After rotating, the method includes spraying a second quantity of the composition onto the partially-coated golf ball to form the coating layer on the golf ball. An apparatus for forming the coating layer on the golf ball is also disclosed.

Abstract: A multi-layer golf ball includes a core formed from an ionomer, an intermediate layer surrounding the core, and a cover surrounding the intermediate layer. The core has a material hardness measured on the JIS-C scale of from about 34 to about 70, and has an outer surface that includes a plurality of land portions aligned on a common sphere, and a plurality of grooves separating the respective land portions and extending radially inward from the sphere. The plurality of grooves includes both a first set of grooves, and a second set of grooves that are perpendicular to each other. The intermediate layer is formed from a rubber material and has a radial thickness measured from the common sphere of from about 4.0 mm to about 9.0 mm. Additionally, the core has a 10-130 kg compression deformation of from about 3.5 to about 5.5 mm.

Abstract: A multi-layer golf ball includes a core formed from an ionomer, an intermediate layer surrounding the core, and a cover surrounding the intermediate layer. The core has a material hardness measured on the JIS-C scale of from about 34 to about 70, and has an outer surface that includes a plurality of land portions aligned on a common sphere, and a plurality of grooves separating the respective land portions and extending radially inward from the sphere. The plurality of grooves includes both a first set of grooves, and a second set of grooves that are perpendicular to each other. The intermediate layer is formed from a rubber material and has a radial thickness measured from the common sphere of from about 4.0 mm to about 9.0 mm. Additionally, the core has a 10-130 kg compression deformation of from about 3.5 to about 5.5 mm.