Abstract: A surveying system including a surveying device and a terminal device for assisting in placement of a staking tool. The surveying system further includes: a design information acquisition unit for acquiring design information including a designed slope; a surveying information acquisition unit for transmitting surveying information to a terminal device; a current state estimation unit for calculating an estimated altitude of a current ground in accordance with the surveying information; an intersection calculation unit for calculating a coordinate of an intersection between the current ground and the designed slope based on the estimated altitude of the current ground and the design information; a stake shape determination unit for determining a shape of a stake to be placed; and a stake shape information unit for causing the terminal device to inform of the shape of the stake determined by the stake shape determination unit.

Abstract: Provided is a technology that enables even a beginner to easily perform finished shape observation by following precautions for use of a GNSS. A finished shape observation system includes a reference station, a mobile station, and a mobile terminal, wherein the mobile terminal includes a mobile station first confirming unit configured to confirm whether a slope distance between the reference station and the mobile station is larger than a prescribed value when measuring each of the observation points, a mobile station second confirming unit configured to confirm whether a slope distance between a first known point and the mobile station is larger than a prescribed value when measuring each of the observation points, and a mobile station third confirming unit configured to confirm whether an elapsed time from a measurement time of the first known point exceeds a prescribed value when measuring each of the observation points.

Abstract: A plant growth lighting fixture has two or more of a blue light source, a green light source, and a red light source and a reflective-type circularly polarizing plate having two or more of a blue-reflecting cholesteric liquid crystal layer having a center wavelength of an effective wavelength range in blue light, a green-reflecting cholesteric liquid crystal layer having a center wavelength of an effective wavelength range in green light, and a red-reflecting cholesteric liquid crystal layer having a center wavelength of an effective wavelength range in red light. The wavelength ranges of the emission center wavelengths as the light sources and the wavelength ranges of the center wavelength of the effective wavelength range as the reflective-type circularly polarizing plate are wavelength ranges of the same colors, and the reflective-type circularly polarizing plate has a polarization correction layer having a phase difference in a thickness direction.

Abstract: A method for producing a cyclic ether represented by formula (2) includes reacting a 2-hydroxy cyclic ether, represented by formula (1), with hydrogen in the presence of a catalyst.

Abstract: A plant growth lighting fixture includes a lighting fixture main body having a light exit surface, a light source held on the lighting fixture main body, and a reflective-type circularly polarizing film that selectively reflects circularly polarized light having a particular rotational direction. The reflective-type circularly polarizing film is releasably affixed to the light exit surface of the lighting fixture main body.

Abstract: A plant growth lighting fixture includes a lighting fixture main body having a light exit surface, a light source held on the lighting fixture main body, and a reflective-type circularly polarizing plate that selectively reflects circularly polarized light having a particular rotational direction in a particular wavelength range. The reflective-type circularly polarizing plate has a support and a circularly polarized light reflecting layer held on the support. The lighting fixture main body has a holding mechanism for detachably mounting the reflective-type circularly polarizing plate with a main surface of the reflective-type circularly polarizing plate facing the light exit surface.

Abstract: Provided is a vehicle control device that can reduce the discomfort to the driver and the influence on an object to be loaded and prevent collision damage. A vehicle control device 100 controls the deceleration of a vehicle 1 based on the distance and the relative speed between the vehicle 1 and an obstacle in front of the vehicle. The vehicle control device 100 includes a control unit 101 that sequentially performs initial braking and main braking on the vehicle 1. The control unit 101 controls a timing of the initial braking based on the estimated weight of the vehicle including the weight of an object to be loaded without changing a timing of the main braking.

Abstract: A method of producing a bis-acyloxylated exomethylene compound represented by general formula (III), including reacting a monoacyloxylated exomethylene compound represented by general formula (I), a carboxylic acid represented by general formula (II), and oxygen in a liquid phase in the presence of a catalyst and optionally a solvent:

Abstract: To provide a corrosion mitigation method for carbon steel pipe that can further reduce corrosion of the carbon steel pipe. In a BWR plant, oxygen is injected from an oxygen injection device 30 into a clean up system pipe 18 which is constituted by a Cr-containing carbon steel pipe containing Cr in a range of larger than 0.052 wt % and less than 0.4 wt % and being in communication with a RPV 3, and reactor water of 150° C. having a dissolved oxygen concentration of 30 ?g/L is generated. The reactor water is brought into contact with an inner surface of the clean up system pipe 18 to perform an oxidizing treatment on the inner surface, and an oxide film containing Cr is formed on the inner surface.

Abstract: A method for producing a cyclic ether represented by formula (2) includes reacting a 2-hydroxy cyclic ether, represented by formula (1), with hydrogen in the presence of a catalyst.

Abstract: A method of producing a bis-acyloxylated exomethylene compound represented by general formula (III), including reacting a monoacyloxylated exomethylene compound represented by general formula (I), a carboxylic acid represented by general formula (II), and oxygen in a liquid phase in the presence of a catalyst and optionally a solvent:

Abstract: An object of the vehicle control device according to the present invention is to provide a driver with acceleration/deceleration control of a vehicle with less discomfort even in a situation where correction of measurement of an inter-vehicle distance is required due to a temperature change or the like.

Abstract: The present disclosure provides a method for relieving a corrosive environment of a boiling water reactor, the method including a step of injecting hydrogen and a noble metal compound into water to be replenished into the reactor pressure vessel during a period of a generating operation of a boiling water nuclear power plant including the reactor pressure vessel. In the method, the hydrogen is injected into water to be supplied into the reactor pressure vessel, and the noble metal compound is injected into water in a line of the boiling water nuclear power plant in which a concentration of oxygen or hydrogen peroxide is stoichiometrically higher than the concentration of hydrogen at which hydrogen undergoes a chemical reaction to turn to water.

Abstract: The present disclosure provides a method for relieving a corrosive environment of a boiling water reactor, the method including a step of injecting hydrogen and a noble metal compound into water to be replenished into the reactor pressure vessel during a period of a generating operation of a boiling water nuclear power plant including the reactor pressure vessel. In the method, the hydrogen is injected into water to be supplied into the reactor pressure vessel, and the noble metal compound is injected into water in a line of the boiling water nuclear power plant in which a concentration of oxygen or hydrogen peroxide is stoichiometrically higher than the concentration of hydrogen at which hydrogen undergoes a chemical reaction to turn to water.

Abstract: The purpose of the present invention is to obtain assistance for traveling in an appropriate position, through steering assistance control, when a driver intends to travel in a position offset either to the left or to the right from the center of a traffic lane. Provided is a vehicular steering assistance control device for controlling a host vehicle so that the vehicle travels in a predetermined position of a traffic lane, wherein the amount of steering control is adjusted according to the driver's intentions.

Abstract: An object of the present invention is to provide a biological corrosion inhibitor for a metal, which exhibits the effect at a low concentration and is superior in biodegradability. A biological corrosion inhibitor for a metal including 3-methylglutaraldehyde as an effective ingredient is provided.

Abstract: Provided are a method for producing 3-methylglutaraldehyde in a good yield under a mild condition and a novel acetal compound which is useful for carrying out the foregoing method. The method is a production method of 3-methylglutaraldehyde including a step of hydrolyzing a compound represented by the following general formula (1): wherein R1 and R2 each independently represent an alkyl group having 1 to 6 carbon atoms, or are mutually coupled to represent an alkylene group having 2 to 6 carbon atoms.

Abstract: The purpose of the present invention is to obtain assistance for traveling in an appropriate position, through steering assistance control, when a driver intends to travel in a position offset either to the left or to the right from the center of a traffic lane. Provided is a vehicular steering assistance control device for controlling a host vehicle so that the vehicle travels in a predetermined position of a traffic lane, wherein the amount of steering control is adjusted according to the driver's intentions.

Abstract: Provided are a method for producing 3-methylglutaraldehyde in a good yield under a mild condition and a novel acetal compound which is useful for carrying out the foregoing method. The method is a production method of 3-methylglutaraldehyde including a step of hydrolyzing a compound represented by the following general formula (1): wherein R1 and R2 each independently represent an alkyl group having 1 to 6 carbon atoms, or are mutually coupled to represent an alkylene group having 2 to 6 carbon atoms.

Abstract: The present disclosure provides a method for relieving a corrosive environment of a boiling water reactor, the method including a step of injecting hydrogen and a noble metal compound into water to be replenished into the reactor pressure vessel during a period of a generating operation of a boiling water nuclear power plant including the reactor pressure vessel. In the method, the hydrogen is injected into water to be supplied into the reactor pressure vessel, and the noble metal compound is injected into water in a line of the boiling water nuclear power plant in which a concentration of oxygen or hydrogen peroxide is stoichiometrically higher than the concentration of hydrogen at which hydrogen undergoes a chemical reaction to turn to water.