Abstract: Provided are a water electrolysis method and a water electrolysis device in which mixing of the generated hydrogen and oxygen is greatly reduced and which have a high electrolysis efficiency, while being simplified in structure. In the water electrolysis method and water electrolysis device, water is electrolyzed by supplying water to the cathode side of an electrolytic membrane including a solid polymer membrane provided with a catalyst layer on a surface thereof and creating a potential difference between both surfaces of the electrolytic membrane. The temperature-controlled water is supplied only to the cathode side of the electrolytic membrane, while controlling the difference in pressure between both surfaces of the electrolytic membrane to 50 kPa or less.

Abstract: [Object] To provide a fan blade, an engine, and a structure with anti-icing and de-icing functions, which are capable of efficiently performing anti-icing or de-icing with a simple structure. [Solving Means] A fan blade 8 is disposed on an air inlet 4 side of a jet engine 1 of an aircraft. The fan blade 8 includes a fan blade main body 21 made of a carbon fiber reinforced plastic (CFRP), and a pair of energizing units 31 and 32 that are provided on a leading edge 24 side and a trailing edge 25 side of a heating region 36 of the fan blade main body 21 and pass current through the fan blade main body 21. Voltage is applied between the pair of energizing units 31 and 32 and current passes through the fan blade main body 21 to heat the fan blade main body 21, thus performing anti-icing or de-icing.

Abstract: A rearing cage unit includes an animal residential area defined by a floor, a ceiling, and a wall; an excrement collection area adjacent to the animal residential area; and an excretion sheet in the excrement collection area to receive excrement of the animal. At least one of the floor and the wall is made of a material including resin, and has an excretion hole to allow the excrement in the animal residential area to be discharged to the excrement collection area, and the excretion hole has a size that prevents four feet of the animal from entering the excretion hole. The excretion sheet faces the excretion hole.

Abstract: A heat transfer body 3 is prepared. The heat transfer body 3 forms an inner space 7 for existence of one of a higher-temperature fluid or a lower-temperature fluid. The heat transfer body 3 constitutes a heat exchanger, and is formed of a copper material as a wall surrounding the inner space 7. In the wall, a flow path through which the other of the higher-temperature fluid and the lower-temperature fluid flows is formed. By LMD treatment, an LMD layer is formed directly on an outer circumferential surface 3a of the heat transfer body 3. In the LMD treatment, a metal material is supplied to a supply position on the outer circumferential surface 3a, and the supply position is irradiated with laser light to form an LMD layer 5. An energy density of the laser light is set to melt both the metal material and the outer circumferential surface 3a.

Abstract: Provided is a method for removing CO2 comprising: supplying a gas to be processed containing CO2, N2 and O2 to a feed side of a CO2/O2 selective permeation membrane within a temperature range of 15° C. to 50° C.

Abstract: [Object] To provide a transonic airfoil capable of reducing pressure drag more than before, a wing having such an airfoil, and an aircraft including such a wing. [Solving Means] An airfoil 11 has a shape in which a pressure coefficient Cp of a static pressure in a chord direction of a leading edge 12 of the airfoil 11 is ?0.04 or less at z/c=0.015 (where z represents a coordinate in a direction perpendicular to an airflow direction within a plane that forms an airfoil, with a leading edge being as a reference (an upper wing surface direction is positive, and a lower wing surface direction is negative), and c represents a chord length). Thus, a pressure distribution has a sharp rise, which can decrease pressure drag.

Abstract: A sensing device that senses a substance to be sensed as a gas by causing a piezoelectric resonator to adsorb the substance to be sensed, includes: a substrate, a thermoelectric element unit, a support plate, and a base portion. A sensing module unit in which a substrate, a thermoelectric element unit, and a support plate are integrated is removably disposed to a base portion that performs at least one of heat supply and heat dissipation to the thermoelectric element unit.

Abstract: Provided is a device for designed for use with a telescope having a primary mirror, such as a reflecting telescope, and to accurately analyzing the size of a step between paired regions of a plurality of mirror segments of the primary mirror.

Abstract: A main rotor blade 1, which is the main rotor blade 1 for a high-velocity helicopter, includes: a blade root part 10 having a length of 30% or more of a rotor radius R; and a blade main body 20 continuous with the blade root part 10. Preferably, a cross-sectional shape of the blade root part 10 satisfies (x/a)m+(y/b)m=1 and a>b, where m: arbitrary number, x: chord length direction, and y: blade thickness direction.

Abstract: An annular gas turbine combustor for use in an aircraft includes a plurality of resonators having respective resonance chambers and arranged in a fuel injector arrangement space so as to be lined up with fuel injectors in a radial direction of the fuel injector. A bulkhead configured to separate a combustion chamber and the fuel injector arrangement space from each other includes a plurality of openings each of which is arranged between each resonance chamber and the combustion chamber. The resonance chambers communicate with the combustion chamber through the openings. At least part of each of the resonance chambers is arranged at a radially inner side of a largest outer diameter portion of an outer liner when viewed in an axial direction of the fuel injector.

Abstract: A telescope system includes a telescope and a selective shielding unit including at least one member including a passage allowable region for an observation target electromagnetic wave and a passage blocking region for the observation target electromagnetic wave. The telescope includes a position detectable detector that detects the observation target electromagnetic wave on a surface different from a focal plane of the telescope. The selective shielding unit is disposed on a front side of the detector. Patterns of the passage allowable region and the passage blocking region of the at least one member and disposition of the at least one member are set to allow for reconstruction of an observation image based on an image detected in the detector.

Abstract: A substance detection system and a substance detection method are provided. The temperature identifying portion identifies a surface temperature of the quartz substrate, based on a difference between a deviation of the fundamental wave frequency from at least any predetermined reference fundamental wave frequency of the reference crystal resonator and the detecting crystal resonator and a deviation of the third harmonic frequency from a predetermined reference third harmonic frequency. The substance identifying portion identifies a temperature at which a contaminant attached to the detecting crystal resonator is desorbed from the detecting crystal resonator to identify the contaminant based on the temperature at which the contaminant is desorbed.

Abstract: Provided are a latch circuit and a flip-flop circuit each having more excellent tolerance to single event upset (SEU). The single event upset (SEU)-tolerant latch circuit of the present invention is configured such that three transistors for redundancy are added to each of eight transistors constituting a conventional DICE latch circuit, at respective positions consisting of a serial position, a parallel position and a parallel-serial position so as to form a four-transistor circuit in which a serially duplicated circuit is duplicated in parallel, and each of a first data input part and a second data input part is also made dually redundant.

Abstract: To provide a measurement data processing device that can improve resolution by applying a correction operation to low-resolution microwave radiometer output data. A measurement data processing device is capable of improving resolution by multiplying a measurement data group of a microwave radiometer by a weighted vector and adding up the measurement data group. The weighted vector solves an inverse problem based on a mathematical model for forming the sensitivity of an antenna as a Gaussian curved surface. Optimization is applied by repeatedly executing, outside an xy coordinate of a target antenna sensitivity distribution function table, a correction operation for minimizing integrated values of a positive remainder sensitivity function, which is data having a positive value a negative remainder sensitivity function, which is data having a negative value.

Abstract: A reduced attention state estimation system includes an eyeball movement and eyelid activity measurement unit that measures an eyeball movement and an eyelid activity of a subject to obtain eyeball movement and eyelid activity data, a section determination unit that determines an eye opening section, an eye closing section, an eye-blinking section and a cluster section based on the eyeball movement and eyelid activity data, an eyeball movement and eyelid activity-related information calculation unit that calculates a sharpness of microsaccade or the like for each eye opening section based on the eyeball movement and eyelid activity data, and an attention assessment unit that determines an attention assessment or the like for an eye opening/cluster section, which is an eye opening section and cluster section, based on the sharpness of microsaccade or the like.

Abstract: Provided is an antenna including: a primary radiator configured to radiate radio waves; and a parabolic reflector configured to reflect the radio waves radiated by the primary radiator and has an aperture diameter reduced to be equal to or smaller than an aperture diameter with which no null points are generated in an antenna pattern in a semi-sphere where the radio waves are reflected and radiated.

Abstract: A wall surface pressure measurement structure measures a wall surface pressure in a duct. Measurement holes are formed in different positions in a circumferential direction on an inspection surface of a wall surface of the duct. The inspection surface is orthogonal to an extending direction of the duct. A pressure chamber communicating with the measurement holes is provided on an outer peripheral side of the duct. The pressure chamber is coupled to a pressure gauge via a pressure pipe.

Abstract: [Object] To provide a wing achieving reduction of friction drag and easy to design and also easy to manufacture and an aircraft including such a wing. [Solving Means] A wing 1 is typically used as a main wing of an aircraft 100. The wing 1 is a swept-back wing having a swept-back angle A. The wing 1 is configured such that a surface pressure (pressure distribution (Cp)) on an upper surface of a vicinity of a leading edge 11 in a fluid increases from a wing root 17 to a wing tip 15. A cross-flow component of an external streamline of a surface of the wing 1 is reduced in the vicinity of the leading edge 11, and boundary layer transition is not easily induced in the vicinity of the leading edge 11. With this, friction drag caused by cross-flow instability can be reduced.

Abstract: Provided is an adjusting method for a resonance frequency of a vibration isolator, the vibration isolator including first to n-th elastic member groups and/or an n+1-th elastic member group, the first to n-th elastic member groups and/or the n+1-th elastic member group being located on an xy plane of an xyz coordinate system, and an xy coordinate system of the xyz coordinate system being a coordinate system obtained by, when a tensor of inertia I with respect to an XYZ coordinate system having an origin in a center of gravity of a vibration sensing side structure or a vibration source side structure is represented as I, rotating an XY coordinate system by ?=tan?1(2IXY/(IXX?IYY)) around a Z axis, the adjusting method including, when rigidity Ki of the first to n-th elastic member groups is represented as [ K i ] = [ k i ? _ ? xx 0 0 0 k i ? _ ? yy 0 0 0 k i ? _ ? zz ] , rigidity Kn+1 of the n+1-th elastic member group is represented as [ K n + 1