Abstract: The air discharge device includes a duct defining: a main flow path through which an air flow passes; and a main hole opened in a flat shape to discharge the air flow as a working air flow toward a downstream from the main flow path. A throttle portion is provided in the duct to reduce a flow path height of the main flow path from an upstream of the air flow toward a downstream of the air flow. A plurality of partitions are arranged to divide the main flow path in a major direction into a pair of side flow paths and at least one center flow path. The plurality of partitions are disposed in the duct such that a flow path width of the center flow path is reduced from the upstream of the air flow toward the downstream of the air flow.

Abstract: A hydrogel object includes a polymer and water, wherein the rate of mass loss is not greater than 20 percent by mass when the hydrogel object is left undone for one week at 25 degrees C. and relative humidity of 50 percent.

Abstract: A three-dimensional object can be produced based on biological property information indicating a biological property obtained by MRE measurement of an organism. The three-dimensional object has a distribution of a strength property corresponding to a distribution of the biological property.

Abstract: Provided is a three-dimensional object producing apparatus including: a first removing unit configured to remove part of at least one of a model material and a support material, both of which form an object forming layer; a second removing unit configured to scrape away at least one of the model material and the support material attached on the first removing unit; and a third removing unit configured to remove at least one of the model material and the support material attached on the second removing unit.

Abstract: An active energy ray curable liquid contains an unsaturated acid monomer and a metal salt.

Abstract: A solid freeform fabrication object includes a plurality of parts formed of hydrogels having respective physical properties, wherein the hydrogels having respective physical properties, each having a moisture content of 70 percent by mass or greater, wherein a solvent concentration difference between the hydrogel constituting adjacent parts of the plurality of parts is 5 percent by mass or less.

Abstract: Provided is an ultrasonic propagation member used in contact with a test target, wherein a surface of the ultrasonic propagation member contacting the test target has a shape conforming to a surface of the test target, or an ultrasonic propagation member having at least two surfaces, wherein hardness of one surface and hardness of another surface are different.

Abstract: A hydrogel liquid precursor contains water and one of a compound and a salt of the compound represented by R1CH?CR2X, where X represents a carboxyl group, carboxylate group, sulfo group, or sulfonate group, R1 and R2 each independently represent hydrogen atoms, alkyl groups, aryl groups, carboxyl groups, or alkylcarboxy groups.

Abstract: Provided is a neutron beam transmission adjusting device including a neutron beam transmission unit including a neutron reactant and capable of modulating an energy and/or a flux of a neutron beam transmitted through the neutron beam transmission unit.

Abstract: In a dimple processing method for forming dimples on a curved surface of a workpiece, a cutting tool having a cutting edge on a rod-shaped body is rotated about a central axis of the cutting tool. The workpiece is rotated about a first axis. The cutting tool or the workpiece moves on a virtual plane through which the first axis passes or on a plane parallel to the virtual plane. The cutting tool or the workpiece moves such that the tip end of the cutting tool follows the curved surface of the workpiece. The cutting edge forms one or more dimple on the curved surface each time the cutting tool rotates.

Abstract: Provided is an evaluation method including evaluating accuracy of a model containing a hydrogel with respect to an organism based on organism shape information representing an organism shape obtained by capturing an image of the organism by MRI and model shape information representing a model shape obtained by capturing an image of the model by MRI.

Abstract: Provided is a three-dimensional object producing method including a model part forming step of forming a model part formed of a model material and a support part forming step of forming a support part formed of a support material for supporting the model part. In the support part forming step, the model material is disposed in the support part, to form a detachment preventing part for preventing detachment of the model part in a manner that the detachment preventing part is continuous from the model part.

Abstract: A composition for hydrogel solid freeform fabrication contains water, a water-soluble monomer containing at least one polyfunctional monomer having a polyethylene glycol structure, a mineral, and a diamine compound, wherein the proportion of the diamine compound to the mineral is from 7.0 to 20.0 percent by mass.

Abstract: An ultrasonic inspection phantom includes ultrasonic inspection phantom including a hydrogel including water, a polymer, and a mineral.

Abstract: A solid freeform fabrication product includes a structure A containing a soft material and having a hollow portion H inside, and a structure B holding the structure A, wherein the layer between the structure A and the hollow portion H has a uniform thickness when the layer is viewed from top.

Abstract: A plurality of dimples are formed on a processing surface of a workpiece. An aspect ratio of each dimple is greater than or equal to 5.0 and less than or equal to 50.0. The aspect ratio is a ratio of a length of the dimple measured in a longitudinal direction to a lateral width of the dimple measured in a direction perpendicular to the longitudinal direction.

Abstract: Provided is a material set for forming a three-dimensional object, the material set including: a first liquid material for forming a three-dimensional object; and a second liquid material for forming a three-dimensional object, wherein the first liquid material contains a solvent, an organic compound A, and inorganic particles, and wherein the second liquid material contains an organic compound B having reactivity with the organic compound A.

Abstract: A method of manufacturing a three-dimensional object includes imparting a first liquid having a first composition including a solvent and a curable material and a second liquid having a second composition to form a liquid film, curing the liquid film, and repeating the imparting and the curing to obtain the three-dimensional object, wherein the imparting position and the imparting amount of each of the first liquid and the second liquid are controlled in such a manner that the liquid film includes multiple areas where at least one of post-curing compression stress and post-curing modulus of elasticity is different.

Abstract: A hydrogel structure includes a hollow tubular structure having an inner diameter of 1.0 mm or less, wherein the hydrogel structure has a transmission of 80 percent or more in a visible light range.

Abstract: Provided is a three-dimensional model including: a three-dimensional body formed of a hydrogel containing a water-based solvent and a polymer; and a coating film coating the surface of the three-dimensional body and formed of a hydrogel containing a water-based solvent and a polymer.