Abstract: The first nozzle includes a first portion and a second portion. The second nozzle includes a third portion and a fourth portion. The capacity of the first portion is smaller than the capacity of the second portion. The capacity of the third portion is smaller than the capacity of the fourth portion. The capacity of the first portion is smaller than the capacity of the third portion. The length of the second portion in the X direction is greater than the length of the fourth portion in the X direction.

Abstract: Provided is a production method that enables simple and efficient production of a fluorinated hydrocarbon by a gas phase flow method without using a catalyst. The method of producing a fluorinated hydrocarbon includes continuously supplying a gaseous fluorine-containing inorganic compound to an electrical discharge zone in a plasma apparatus and subsequently causing migration to outside of the electrical discharge zone in the plasma apparatus, continuously supplying a feedstock gas containing an inert gas and a compound represented by formula 1: CH3—R (R is a hydrogen atom, a chlorine atom, a bromine atom, an iodine atom, or an organic group other than a hydrocarbon group) to outside of the electrical discharge zone in the plasma apparatus, and subsequently continuously releasing, to outside of the plasma apparatus, gas that is contained outside of the electrical discharge zone in the plasma apparatus.

Abstract: Provided is a separation and recovery method that is method of separating and recovering, from a mixture containing at least a resin layer 1 containing a hydrolyzable polymer A as a main component and a resin layer 2 containing a nonhydrolyzable polymer B as a main component, a hydrolytic component a of the hydrolyzable polymer A and the nonhydrolyzable polymer B, the method including a decomposition and separation step of subjecting the mixture to a hydrothermal reaction treatment to hydrolyze and separate the hydrolyzable polymer A, and to separate the nonhydrolyzable polymer B while a molecular weight of thereof is maintained.

Abstract: A three-dimensional shaping device includes a stage, an ejection portion configured to selectively eject, as a shaping material, a first material containing a crystalline resin and a second material containing an amorphous resin to an upper side of the stage, a moving portion configured to relatively move the stage and the ejection portion, and a control unit. The control unit executes first stacking processing when a plurality of slice layers are stacked using the first material as the shaping material and executes second stacking processing when a plurality of slice layers are stacked using the second material as the shaping material.

Abstract: A three-dimensional shaping device includes a position changing unit configured to change relative positions of a first head having a first nozzle and a stage and relative positions of a second head having a second nozzle and the stage, a cleaning part configured to clean the second nozzle, and a control unit. The control unit executes first deposition processing of depositing a layer of the first shaping material in a shaping region by extruding the first shaping material from the first nozzle while changing the relative positions of the first head and the stage, cleaning processing of cleaning the second nozzle using the cleaning part, and second deposition processing of depositing a layer of the second shaping material in the shaping region by extruding the second shaping material from the second nozzle while changing the relative positions of the second head and the stage after the cleaning processing.

Abstract: An information processing system includes information processing devices configured to control three-dimensional shaping devices configured to shape a three-dimensional shaped object, a first acquisition unit configured to acquire first shaping plate identification information for identifying a first shaping plate, the first shaping plate having an upper surface on which the three-dimensional shaped object is to be shaped and being attachable to a stage of a first three-dimensional shaping device among the three-dimensional shaping devices, a second acquisition unit configured to acquire first three-dimensional shaping device identification information for identifying the first three-dimensional shaping device, a third acquisition unit configured to acquire first-underlayer-related information related to a first underlayer to be shaped on the first shaping plate; and a control unit.

Abstract: A plasticizing device includes: a nozzle configured to extrude a modeling material; a drive motor; a screw configured to be rotated by the drive motor and including a groove formation surface in which a groove is formed; a barrel including a facing surface facing the groove formation surface and provided with a heater and a communication hole; a first heating unit configured to heat the modeling material supplied between the groove formed in the groove formation surface and the barrel; a second heating unit configured to heat the modeling material supplied to the nozzle; and a control unit configured to control the drive motor, the first heating unit, and the second heating unit. When the modeling material contains a crystalline resin, the control unit controls at least one of the first heating unit and the second heating unit to reduce a difference between a first temperature corresponding to a temperature of the barrel and a second temperature corresponding to a temperature of the nozzle.

Abstract: A three-dimensional shaping device includes a stage, an ejection portion configured to selectively eject, as a shaping material, a first material containing a crystalline resin and a second material containing an amorphous resin to an upper side of the stage, a moving portion configured to relatively move the stage and the ejection portion, and a control unit. The control unit executes first stacking processing when a plurality of slice layers are stacked using the first material as the shaping material and executes second stacking processing when a plurality of slice layers are stacked using the second material as the shaping material.

Abstract: A transmission device includes an encoding circuit and a modulation circuit. The encoding circuit is configured to encode first and second data stream portions of a transmission data stream in accordance with first and second encoding protocols, respectively, convert each M bit of the encoded second data stream portion into a high-resolution value of N bit, and generate a baseband data stream including the encoded first data stream portion and the converted second data stream portion. The modulation circuit is configured to perform a 2N-level pulse amplitude modulation with respect to each N bit of the encoded first data stream portion in the baseband data stream and each N bit of the converted second data stream portion in the baseband data stream, to generate a transmission signal. M is an integer equal to or greater than 1 and N is an integer greater than M.

Abstract: A three-dimensional shaped article production apparatus includes a shaping table, a layer forming section that forms a powder layer, a head that ejects a liquid containing a binder to a shaping region of a three-dimensional shaped article, a liquid supply system that supplies the liquid to the head, and a moving system that relatively moves the head with respect to the shaping table, wherein the head includes a nozzle that ejects the liquid, a pressure chamber that communicates with the nozzle, a supply flow channel that communicates with the pressure chamber upstream in a supply direction of the liquid, and a circulation flow channel that communicates with the pressure chamber downstream in the supply direction, the circulation flow channel includes a first filter, and a pore diameter of the first filter is larger than a particle diameter of a powder for forming the powder layer.

Abstract: According to one embodiment, an inspection system includes an illuminator, an imager, and a processor. The illuminator irradiates light into an interior of a hole. The imager acquires a first image by imaging the interior of the hole where the light is irradiated. The processor detecting a blockage of at least a portion of the hole based on a luminance of the hole inside the first image.

Abstract: A plasticizing apparatus for plasticizing a material to form a molten material includes a screw having a groove formed face, in which a groove portion in a spiral shape to be supplied with the material is formed, and a first heating portion heating the material, and a barrel having a screw opposed face, which is a face opposed to the groove formed face, and in which a sending-out hole for sending out the molten material is formed at a center, and a second heating portion heating the material.

Abstract: A three-dimensional shaping apparatus includes an ejecting section configured to eject a shaping material from a nozzle, a stage on which the shaping material is stacked, a driving section configured to change relative positions of the ejecting section and the stage, a cleaning mechanism including a brush and a blade, and a control section. The control section causes, in cleaning processing, the nozzle to reciprocate to traverse the cleaning mechanism a plurality of times to execute a cleaning operation for bringing at least one of the brush and the blade and the nozzle to come into contact. The control section causes, in the cleaning operation, the nozzle to reciprocate to come into contact with the brush or the blade in different positions of the brush or the blade. Temperature of the nozzle in the cleaning operation is lower than temperature of the nozzle at a stacking time of layers.

Abstract: Provided is a three-dimensional shaping apparatus in which surface of a three-dimensional shaped object can be prevented from being roughened. The three-dimensional shaping apparatus that shapes a three-dimensional shaped object by stacking layers of a material includes: a stage; a discharge unit that has a nozzle surface in which a nozzle hole is formed; a moving unit that is configured to change a relative position between the stage and the nozzle surface; and a control unit that is configured to control the moving unit. The control unit drives the moving unit such that a relation between a gap G between the nozzle surface and the stage or the layer of the material when the material is discharged from the discharge unit and an outer diameter Dp of the nozzle surface satisfies a following relation (1). Dp?20×G+0.

Abstract: A method for producing a formed product using a resin composition including a plurality of raw materials, in which the content of raw materials in the resin composition is measured in real time, the method comprising the steps of: supplying each of the plurality of raw materials to an extruder; melt-kneading the plurality of raw materials in the extruder to prepare a resin composition; and irradiating the prepared resin composition with radiation and calculating the content of the raw material in the resin composition based on the results of detection of the radiation transmitted through the resin composition.

Abstract: A plasticizing apparatus for plasticizing a material to form a molten material includes a screw in a columnar shape having a groove formed face, in which a material flow channel including a groove portion to be supplied with the material is formed, and a barrel having a screw opposed face, which is a face opposed to the groove formed face, and in which a sending-out hole for sending out the molten material is formed at a center, and a heating portion heating the material. The material flow channel has a recess provided at a center of the groove formed face, and the groove portion extending in a spiral shape toward an outer circumference of the groove formed face from the recess, and a heat insulating portion having a lower thermal conductivity than an outer circumferential portion in the screw is provided in at least a part of an inner circumferential portion including the recess in the screw.

Abstract: A three-dimensional shaped article production apparatus includes a shaping table, a layer forming section that forms a powder layer, a head that ejects a liquid containing a binder to a shaping region of a three-dimensional shaped article, a liquid supply system that supplies the liquid to the head, and a moving system that relatively moves the head with respect to the shaping table, wherein the head includes a nozzle that ejects the liquid, a pressure chamber that communicates with the nozzle, a supply flow channel that communicates with the pressure chamber upstream in a supply direction of the liquid, and a circulation flow channel that communicates with the pressure chamber downstream in the supply direction, the circulation flow channel includes a first filter, and a pore diameter of the first filter is larger than a particle diameter of a powder for forming the powder layer.

Abstract: A precipitate and/or an inclusion in a metal material is extracted by electrolysis using an electrolyte solution. The electrolyte solution contains an adsorbent that is adsorbed to a surface of the precipitate and/or a surface of the inclusion. The extracted precipitate and/or the inclusion can be quantitatively analyzed with high accuracy.

Abstract: A three-dimensional modeling device includes a first ejection section configured to eject a first material, a second ejection section configured to eject a second material, a drive section configured to move each of the first ejection section and the second ejection section relatively to a stage, and a control section.

Abstract: An oil pump is configured to include a rotor, a drive shaft that drives the rotor to rotate, a rotor chamber in which the rotor is contained, an inlet port and an outlet port each provided in the vicinity of the rotor chamber, and a pump cover. The pump cover is made of a resin. On a portion of an outer surface side of the pump cover corresponding to an inner portion, in which oil circulates, of the pump cover, a rib that has an erecting wall shape is provided.