Abstract: A valve unit includes a rotary valve having a predetermined clearance between an inner surface of a main body and a valve element. The magnet coupling includes eight outer peripheral magnets and eight inner peripheral magnets having N-poles and S-poles each on an outer or inner peripheral side. The outer peripheral magnets are disposed such that the N-poles and the S-poles are disposed alternately in a circumferential direction and such that a distance between the central axis and an outer peripheral surface of the outer peripheral magnets is between 90% and 100% of a distance between the central axis and an outer surface of the main body closest to the central axis in a direction perpendicular to the central axis. The inner peripheral magnets are disposed opposite to the outer peripheral magnets such that the N-poles and the S-poles are disposed alternately in the circumferential direction.

Abstract: This active oxygen supply device is provided with a plasma actuator and an ozone decomposition device both arranged in a housing having at least one opening, in which the plasma actuator includes a first electrode, a dielectric body and a second electrode which are stacked in this order, the first electrode is an exposed electrode and blows out an ozone-containing induction flow in a first direction, the ozone decomposition device decomposes the ozone contained in the induction flow to generate active oxygen, the induction flow is converted to an induction flow containing the active oxygen, the edge part of the first electrode has a notched part having a shape enabling the increase in the flow rate of the induction flow, and the ozone decomposition device is at least one device selected from the group consisting of an ultraviolet light source and a heating device.

Abstract: This reactive oxygen supply apparatus is characterized by comprising a humidification device, a housing having at least one opening, and a predetermined plasma actuator in the opening, and is characterized in that the humidification device humidifies the inside of the housing and generates reactive oxygen in the induced flow, so that the induced flow contains the reactive oxygen, and the plasma actuator and the humidification device are disposed such that the induced flow containing the reactive oxygen flows out of the housing through the opening.

Abstract: A treatment apparatus and a treatment method using reactive oxygen, wherein, the treatment apparatus comprising: the reactive oxygen supply device comprises a plasma actuator and an ozone decomposing device inside a housing having at least one opening portion, the plasma actuator comprises a first electrode and a second electrode across a dielectric material and generates an induced flow containing ozone when a voltage is applied between the both electrodes, the plasma actuator and the ozone decomposing device are arranged such that the induced flow flows out from the opening portion and the induced flow is supplied to a surface of the object which is conveyed by the conveying means, and an outflow direction vector of the induced flow has a vector component x which is parallel to and oriented in the same direction as specific direction A.

Abstract: Provided is an active oxygen supply device capable of more efficiently supplying active oxygen to the surface of an object to be treated. An active oxygen supply device comprises a plasma actuator and a heater in a housing having at least one opening. The plasma actuator comprises a first electrode, a dielectric material and a second electrode, the first electrode is an exposed electrode provided on a first surface that is one of the surfaces of the dielectric material, when a voltage is applied between the first electrode and the second electrode, the plasma actuator generates the dielectric-barrier discharge oriented from the first electrode to the second electrode and induces a flow. The plasm actuator and the heater are disposed so that the induced flow containing active oxygen flows out of the housing through the opening.

Abstract: This gas treatment device is provided with a cylindrical casing having a first opening and a second opening on the opposite side from the first opening, a specific plasma actuator disposed in the casing, and an ozone decomposition device, wherein the plasma actuator is disposed so that the direction in which the induced current is emitted is oriented towards the second opening, and produces, by means of the induced current, an airflow in the casing such that the airflow is directed from the first opening towards the second opening, the ozone decomposition device causes ozone included in the airflow to decompose, generating active oxygen in the airflow and causing the airflow to contain the active oxygen, and a gas flowing in from the first opening is treated by the active oxygen.

Abstract: An active oxygen supply device equipped with a cylindrical housing having a first opening and a second opening opposite to the first opening, a plasma actuator arranged in the housing, and an ozone decomposition device, in which the plasma actuator causes dielectric barrier discharge to blow out an induction flow, the plasma actuator is arranged such that the blow direction of the induction flow faces the second opening, an air flow that flows from the first opening to the second opening is generated in the housing by the action of the induction flow, the ozone decomposition device decomposes the ozone contained in the air flow to generate active oxygen in the air flow, and the plasma actuator and the ozone decomposition device are arranged such that the air flow containing the active oxygen can flow out to the exterior of the active oxygen supply device through the second opening.

Abstract: Provided is a gas treatment apparatus comprising an active oxygen supply device and a gas flow path, wherein the gas treatment apparatus is characterized in that the active oxygen supply device includes a housing having at least one opening, and a predetermined plasma actuator and a predetermined ozone decomposition device inside the housing, the plasma actuator and the ozone decomposition device are disposed so that an induced flow containing active oxygen flows out of the housing through the opening, and the active oxygen supply device is disposed so as to allow the induced flow containing the active oxygen flowing out through the opening to be introduced into the gas flow path.

Abstract: An active oxygen supply device comprising: a housing; a plasma actuator disposed inside the housing; and an ozone decomposing device, wherein the plasma actuator comprises a first electrode, a dielectric material, and a second electrode, the first electrode is an exposed electrode provided on a first surface, which is one surface of the dielectric material, the plasma actuator generates an induced flow containing ozone to be blown out from the first electrode in a first direction, which is one direction along the surface of the dielectric material, the ozone decomposing device decomposes the ozone contained in the induced flow to generate active oxygen, an edge portion of the second electrode leading in a second direction reverse to the first direction is provided with a protruded portion, and overlap the first electrode only in the protruded portion, and the protruded portion has a width constant in the second direction.

Abstract: A treatment apparatus and a treatment method using reactive oxygen, wherein, the treatment apparatus comprising: the reactive oxygen supply device comprises a plasma actuator and an ozone decomposing device inside a housing having at least one opening portion, the plasma actuator comprises a first electrode and a second electrode across a dielectric material and generates an induced flow containing ozone when a voltage is applied between the both electrodes, the plasma actuator and the ozone decomposing device are arranged such that the induced flow flows out from the opening portion and the induced flow is supplied to a surface of the object which is conveyed by the conveying means, and an outflow direction vector of the induced flow has a vector component x which is parallel to and oriented in the same direction as specific direction B.

Abstract: The present invention provides an industrially advantageous production method of (1R,2S)-2-{[((2,4-dimethylpyrimidin-5-yl)oxy}methyl]-2-(3-fluorophenyl)-N-(5-fluoropyridin-2-yl)cyclopropane-1-carboxamide. (1R,2S)-2-{[((2,4-Dimethylpyrimidin-5-yl)oxy}methyl]-2-(3-fluorophenyl)-N-(5-fluoropyridin-2-yl)cyclopropane-1-carboxamide (compound [A]) is produced by an industrially advantageous method by a route via a novel compound. wherein each symbol is as described in the description.

Abstract: An ultrasonic time measurement device measures a propagation time of a measurement wave transmitted from a first sensor to a second sensor. The device includes a transmission circuit that causes the first sensor to repeatedly transmit measurement waves one at a time and a reception circuit that detects reception at the second sensor, of the respective measurement wave transmitted from the first sensor. The device further measures elapsed times for the measurement waves, each of the elapsed times being an elapsed time from a reference time to a reception time of the respective measurement wave received by the second sensor and calculate the propagation time of the measurement wave from the first sensor to the second sensor based on the elapsed times measured by the time measurer.

Abstract: An active oxygen supply device comprising: a housing having at least one opening; an ozone generator located inside the housing; a means for generating an airflow comprising ozone generated inside the housing by the ozone generator, flowing toward the opening and flowing out of the housing through the opening; and an ultraviolet light source arranged so that the airflow comprising the ozone and flowing out of the housing through the opening can be irradiated with ultraviolet rays, wherein the ultraviolet light source decomposes the ozone in the airflow to generate active oxygen, and the airflow comprising the active oxygen generated by irradiating the airflow comprising the ozone with the ultraviolet rays is supplied to an object to be treated outside the housing.

Abstract: A treatment device using active oxygen, the treatment device comprising: an ultraviolet transmission member; and a first chamber and a second chamber adjacent to each other separated by the ultraviolet transmission member, wherein the first chamber is capable of accommodating a treatment target and comprises an ozone generator, the second chamber comprises an ultraviolet light source, the ultraviolet light source is capable of irradiating a surface of the treatment target, which is accommodated in the first chamber, with ultraviolet light, and a distance between the ultraviolet transmission member and the surface of the treatment target can be adjusted to 10 mm or less.

Abstract: Provided an electrophotographic electro-conductive member that can stably suppress an occurrence of fogging in an electrophotographic image. The member comprises a support having an electro-conductive outer surface, and an electro-conductive layer on the outer surface of the support, the electro-conductive layer having a matrix including a cross-linked product of a first rubber, and domains dispersed in the matrix, the domains each includes a cross-linked product of a second rubber and an electro-conductive particle, at least some of the domains is exposed to the outer surface of the electro-conductive member to constitute protrusions on an outer surface of the member, the outer surface of the electro-conductive member is constituted by the matrix and the domains exposed to the outer surface of the electrophotographic electro-conductive member, the electrophotographic electro-conductive member has an impedance of 1.0×103? or more and 1.0×108? or less, and some of the domains satisfy two specific requirements.

Abstract: A cured product of a silanol composition comprising a cyclic silanol containing a silanol group and having a cyclic structure formed by a siloxane bond, and a dehydration condensation product thereof, wherein an area ratio of a peak derived from SiO—H stretching observed at 2600 to 3800 cm?1 to an area of a peak derived from Si—O—Si stretching observed at 960 to 1220 cm?1 (SiO—H stretching/Si—O—Si stretching area ratio) is 0.01 or more in an IR spectrum.

Abstract: The present invention provides an electrophotographic member having excellent deformation recovery even when stored or used under a high temperature and high humidity environment, which is useful in forming a high-quality electrophotographic image; a process cartridge; and an electrophotographic apparatus. The electrophotographic member of the present invention includes a conductive mandrel and an electro-conductive layer; the electro-conductive layer including a resin synthesized from an ion conducting agent and a compound being able to react with the ion conducting agent; the ion conducting agent including a specific anion and a cation having at least three hydroxyl groups; the compound being able to react with the hydroxyl group.

Abstract: An active oxygen supply device that is a plasma actuator equipped with a plasma generator and an ultraviolet light source in a housing having at least one opening, the plasma generator being provided with a first electrode and a second electrode with a dielectric in-between and creating an induced flow that contains ozone by applying a voltage between the two electrodes, in which the plasma actuator is positioned so that the induced flow flows outside the housing from an opening, and the ultraviolet light source irradiates the induced flow with ultraviolet rays and generates active oxygen in the induced flow; a device for conducting treatment by active oxygen; and a method for conducting treatment by active oxygen.

Abstract: A sterilization device or the like is equipped with a plasma generator and an ultraviolet light source, wherein the plasma generator is a plasma actuator provided with a first electrode and a second electrode with a dielectric in-between, and in which an induced flow including ozone is generated by application of a voltage between the two electrodes, the ultraviolet light source is arranged so as to be able to irradiate the surface of an object to be sterilized, and the plasma actuator is arranged so that the induced flow is supplied to said surface.

Abstract: Provided is an electrophotographic electroconductive member including an electroconductive support and an electroconductive layer on the support, an electroconductive member is used, in which an electroconductive layer has a matrix comprising a first rubber, and domains dispersed in the matrix, the domains each comprising a second rubber and an electronic electroconductive agent, and for impedance measured by applying an AC voltage with an amplitude of 1 V to the electroconductive layer while varying frequencies between 1.0×10?2 Hz to 1.0×107 Hz under a specific environment, when a double logarithmic plot with a frequency on an abscissa and an impedance on an ordinate is obtained, a slope on a high frequency side is ?0.8 or more and —0.3 or less, and the impedance a low frequency side is from 1.0×103 to 1.0×107?.