Abstract: A robot system includes: a conveying device configured to convey a workpiece; a robot configured to execute an operation on the workpiece; and circuitry configured to: identify a current position of the workpiece and an object area occupied by an object; identify an interlock area that moves with the current position of the workpiece being conveyed by the conveying device; check an overlap between the interlock area and the object area; and control the robot to execute the operation based on the current position of the workpiece in response to determining that the interlock area does not overlap the object area.

Abstract: A gas turbine (A, B, C) is provided that includes at least a compressor (1), a combustor (2), and a turbine (3) and combusts ammonia serving as fuel in the combustor (2), including a reducing agent supply device (6) configured to supply a reducing agent for reducing nitrogen oxides in a combustion gas to at least one of: a combustion gas flow path between the combustor (2) and the turbine (3); and the turbine (3).

Abstract: A gas turbine (A, B, C) is provided that includes at least a compressor (1), a combustor (2), and a turbine (3) and combusts ammonia serving as fuel in the combustor (2), including a reducing agent supply device (6) configured to supply a reducing agent for reducing nitrogen oxides in a combustion gas to at least one of: a combustion gas flow path between the combustor (2) and the turbine (3); and the turbine (3).

Abstract: A roof box that allows storing a long object while providing advantages in storage and transportation of the roof box itself includes a pair of end units and at least one spacer unit. The pair of end units and the at least one spacer unit constitute a block structure. The end unit and the spacer unit each include a body and a cover connected by a hinge mechanism respectively. A securing position in a longitudinal direction of the end unit to the spacer unit is changeable, or the spacer unit is changeable to a unit having a different longitudinal length.

Abstract: An oil-based ink composition for a writing instrument, comprising a dye, an organic solvent and a phenolic compound of the following general formula (1): wherein R is each independently hydrogen or an alkyl group having 1 to 5 carbon atoms, R1 is any of an alkyl group having 1 to 5 carbon atoms, a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group, and R2 is any of a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group. The oil-based ink composition for a writing instrument can form handwriting having excellent water resistance in which no bleeding occurs on written surfaces of various materials with a dye retaining color development.

Abstract: Provided is a combustion experiment device, which includes a reaction tube into which a sample fluid flows and to which a temperature gradient in which a temperature rises toward a downstream side is imparted, and a burner part that is configured to flow a combustible gas along and around the reaction tube from the downstream side to an upstream side of the reaction tube and to maintain a flame surrounding the reaction tube from the outside in a radial direction of the reaction tube.

Abstract: An oil-based ink composition for a writing instrument, comprising a dye, an organic solvent and a phenolic compound of the following general formula (1): wherein R is each independently hydrogen or an alkyl group having 1 to 5 carbon atoms, R1 is any of an alkyl group having 1 to 5 carbon atoms, a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group, and R2 is any of a halogenated alkyl group having 1 to 5 carbon atoms, a phenyl group, a hydroxyphenyl group, and an alkyl group having 1 to 5 carbon atoms substituted by a hydroxyphenyl group. The oil-based ink composition for a writing instrument can form handwriting having excellent water resistance in which no bleeding occurs on written surfaces of various materials with a dye retaining color development.

Abstract: A carrier bar is provided, capable of enabling suitable assembly work of the stay and improving freedom in adjustment of stay assembly position relative to carrier bar, disclosed is a carrier bar having shell formed along longitudinal direction and hollow zones in cross-sectional structure so as to be assembled to stay by using a clamp mechanism having a head and a constricted portion to form a base carrier. Shell has assembly and positioning openings extending toward the longitudinal end of shell by using assembly opening as a basal end and having a terminated end formed by longitudinal end of shell. Assembly opening has an opening width and an opening length into which the head of clamp mechanism is insertable. Positioning opening has an opening width narrower than that of assembly opening, along which the constricted portion is slidable, and an opening length longer than that of assembly opening.

Abstract: Provided is a combustion experiment device, which includes a reaction tube into which a sample fluid flows and to which a temperature gradient in which a temperature rises toward a downstream side is imparted, and a burner part that is configured to flow a combustible gas along and around the reaction tube from the downstream side to an upstream side of the reaction tube and to maintain a flame surrounding the reaction tube from the outside in a radial direction of the reaction tube.

Abstract: In a combustion experimental apparatus to obtain the positions of flames formed inside a tube (1), it is possible to adjust a temperature gradient in a longitudinal direction applied to the tube, by including a temperature-adjusting fluid supply device (2) to cause a temperature-adjusting fluid to flow along the tube.

Abstract: A fuel property determination method includes a reaction mechanism analysis process (S1) of analyzing elementary reactions that compose chemical reactions between a plurality of types of initial materials including the materials that compose the fuel and obtaining the elementary reactions as fuel elementary reactions, and an octane number determination process (S2) of calculating the combustion characteristics of the fuel by performing a simulation based on the fuel elementary reactions and determining the octane number based on the combustion characteristics of the fuel.

Abstract: A carrier bar is provided, capable of enabling suitable assembly work of the stay and improving freedom in adjustment of stay assembly position relative to carrier bar, disclosed is a carrier bar having shell formed along longitudinal direction and hollow zones in cross-sectional structure so as to be assembled to stay by using a clamp mechanism having a head and a constricted portion to form a base carrier. Shell has assembly and positioning openings extending toward the longitudinal end of shell by using assembly opening as a basal end and having a terminated end formed by longitudinal end of shell. Assembly opening has an opening width and an opening length into which the head of clamp mechanism is insertable. Positioning opening has an opening width narrower than that of assembly opening, along which the constricted portion is slidable, and an opening length longer than that of assembly opening.

Abstract: The fuel physical property determination method relating to the first aspect of the present invention includes: a test fuel flame-imaging step of obtaining imaging data by imaging flames formed by supplying a pre-mixed gas containing a test fuel and an oxidant agent, to a test tube in which an internal flow path thereof has a diameter set smaller than a flame-quenching distance at normal temperature; and a physical property determination step of determining a physical property of the test fuel by comparing the imaging data obtained in the test fuel flame-imaging step and imaging data obtained by imaging flames ignited by supplying a pre-mixed gas containing a standard-mixed fuel and an oxidant agent, to the test tube, the standard-mixed fuel having a known physical property.

Abstract: [Object] To provide a reversibly thermochromic composition free from accidental discoloration by heat conducting from the opposite side writing surface or by self-heating due to quick writing; and also to provide a solid writing material and a writing ink composition comprising that composition. [Means to solve the problem] A reversibly thermochromic composition comprising a combination of: (a) a reversibly thermochromic component capable of being discolored or decolored by heat and (b) a component for controlling heat conducting to the reversibly thermochromic component; and also a solid writing material and a writing ink composition comprising that composition.

Abstract: The fuel physical property determination method relating to the first aspect of the present invention includes: a test fuel flame-imaging step of obtaining imaging data by imaging flames formed by supplying a pre-mixed gas containing a test fuel and an oxidant agent, to a test tube in which an internal flow path thereof has a diameter set smaller than a flame-quenching distance at normal temperature; and a physical property determination step of determining a physical property of the test fuel by comparing the imaging data obtained in the test fuel flame-imaging step and imaging data obtained by imaging flames ignited by supplying a pre-mixed gas containing a standard-mixed fuel and an oxidant agent, to the test tube, the standard-mixed fuel having a known physical property.

Abstract: In a combustion experimental apparatus to obtain the positions of flames formed inside a tube (1), it is possible to adjust a temperature gradient in a longitudinal direction applied to the tube, by including a temperature-adjusting fluid supply device (2) to cause a temperature-adjusting fluid to flow along the tube.

Abstract: A water-based ballpoint pen using a cemented carbide ball comprising tungsten carbide and a metal binder as a writing front end, wherein cobalt and/or nickel are contained in the cemented carbide ball as the metal binder in an amount of 1 to 20% by weight based on the total amount of the ball and which further includes an aqueous ink composition containing a colorant, water, a phosphate ester-based surfactant, and any one or more compounds of a thiadiazole represented by formula (1), 5-mercapto-3-phenyl-1,3,4-thiadiazole-2-thione or a salt thereof, and an oligomer of 2,5-dimercapto-1,3,4-thiadiazole: wherein X and Y each represents any substituent of CH3, NH2, and SM, and M represents any of hydrogen, an alkali metal, an ammonium, and an alkanolamine.

Abstract: A fuel property determination method includes a reaction mechanism analysis process (S1) of analyzing elementary reactions that compose chemical reactions between a plurality of types of initial materials including the materials that compose the fuel and obtaining the elementary reactions as fuel elementary reactions, and an octane number determination process (S2) of calculating the combustion characteristics of the fuel by performing a simulation based on the fuel elementary reactions and determining the octane number based on the combustion characteristics of the fuel.