Abstract: An apparatus, method, and program capable of predicting an attenuation of electromagnetic waves in an upper airspace of a target area in consideration of the influence of long-term weather changes in future are provided. An apparatus for predicting an attenuation of electromagnetic waves between a radio apparatus located above a target area and a terrestrial surface is provided with a data acquisition section for acquiring past weather data in the target area, and an estimation section for estimating a weather corresponding to a future target year in the upper airspace of the target area based on the past weather data, and estimating an attenuation of electromagnetic waves based on an estimation result of the weather.

Abstract: It is suppressed of a deterioration of communication quality of a service link (SL) due to a local propagation-loss increasing part in a radio propagation path of a feeder link (FL) between an aerial-floating type communication relay apparatus and a gateway (GW) station. When the local propagation-loss increasing part occurs in the radio propagation path of the feeder link between the gateway station and the communication relay apparatus or when an occurrence of the propagation-loss increasing part is predicted, the communication relay apparatus is moved to a position capable of suppressing or avoiding the deterioration of communication quality due to the propagation-loss increasing part in the radio propagation path of the feeder link.

Abstract: It is suppressed of a deterioration of communication quality of a service link (SL) due to a local propagation-loss increasing part in a radio propagation path of a feeder link (FL) between an aerial-floating type communication relay apparatus and a gateway (GW) station. When the local propagation-loss increasing part occurs in the radio propagation path of the feeder link between the gateway station and the communication relay apparatus or when an occurrence of the propagation-loss increasing part is predicted, the communication relay apparatus is moved to a position capable of suppressing or avoiding the deterioration of communication quality due to the propagation-loss increasing part in the radio propagation path of the feeder link.

Abstract: An optical measurement apparatus for an eyeball includes a light emitter, a light receiver, a detector, and a controller. The light emitter emits light such that the light passes across an eyeball of a subject. The light receiver receives the light that has transmitted through the eyeball. The detector detects a direction of the eyeball. The controller performs control such that the light emitter starts emitting light having an intensity used in measurement or the light emitter increases an intensity of light emitted by the light emitter to the intensity used in measurement in a case where the direction of the eyeball detected by the detector is in a predetermined range.

Abstract: A toner comprising a toner particle containing a resin and a colorant, wherein, with respect to a temperature-storage elastic modulus curve obtained by powder dynamic viscoelastic measurement on the toner, (I) the relative minimum values for the variation in the storage elastic modulus E? with respect to temperature T in the temperature range of at least 30° C. and not more than 180° C. have a relative minimum value of equal to or less than ?1.00×107 and the relative minimum value on the lowest temperature side is equal to or less than ?1.00×108; (II) the storage elastic modulus E? (50) of the toner at 50° C. is at least 1.00×109 and not more than 9.00×109; and (III) for a storage elastic modulus E? (120) of the toner at 120° C., E? (50) and E? (120) satisfy 1.50?[E? (50)]/[E? (120)]?3.00.

Abstract: Provided is a toner having a toner particle including a binder resin and a colorant, wherein the toner has a softening point of at least 100° C. and not more than 150° C., and when Tgt represents a glass transition temperature (° C.) of the toner during a second temperature rise as measured with a DSC, Tgf represents a glass transition temperature (° C.) of a tetrahydrofuran-insoluble matter of the binder resin during a second temperature rise as measured with a DSC, and Tgk represents a glass transition temperature (° C.) of a tetrahydrofuran-soluble matter of the binder resin during a second temperature rise as measured with a DSC, the toner satisfies Tgt>Tgf (1), Tgt>Tgk (2), and 35° C.?Tgf?70° C. (3).

Abstract: A toner comprising: a toner particle containing a binder resin and a colorant; and an external additive, wherein the external additive is a composite particle having an organic substance and an organosilicon polymer coating layer on the surface of the organic substance, and when a curve for the variation (dE?/dT) in the storage elastic modulus E? of the toner with respect to temperature T [° C.] is obtained on the basis of a curve of the temperature T—the storage elastic modulus E? [Pa] of the toner, as determined by powder dynamic viscoelasticity measurements of the toner, the relative minimum value on the lowest temperature side between the onset temperature and 90° C. is ?1.35×108 or less.

Abstract: A toner comprising: a toner particle containing a binder resin and a colorant; and an external additive, wherein the external additive is a composite particle having an organic substance and an organosilicon polymer coating layer on the surface of the organic substance, and when a curve for the variation (dE?/dT) in the storage elastic modulus E? of the toner with respect to temperature T [° C.] is obtained on the basis of a curve of the temperature T—the storage elastic modulus E? [Pa] of the toner, as determined by powder dynamic viscoelasticity measurements of the toner, the relative minimum value on the lowest temperature side between the onset temperature and 90° C. is ?1.35×108 or less.

Abstract: An optical measurement apparatus for an eyeball includes a light emitter, a light receiver, a detector, and a controller. The light emitter emits light such that the light passes across an eyeball of a subject. The light receiver receives the light that has transmitted through the eyeball. The detector detects a direction of the eyeball. The controller performs control such that the light emitter starts emitting light having an intensity used in measurement or the light emitter increases an intensity of light emitted by the light emitter to the intensity used in measurement in a case where the direction of the eyeball detected by the detector is in a predetermined range.

Abstract: A liquid ejecting head includes a nozzle that ejects a liquid, a flow path member formed with a flow path that guides the liquid to the nozzle, a supply path member formed with a supply path that supplies the liquid to the flow path member, and a heater that heats the supply path member. A linear expansion coefficient of the supply path member is greater than a linear expansion coefficient of the flow path member. The flow path member and the supply path member are joined together by a thermoset adhesive. The heater is provided to the supply path member.

Abstract: Provided is a toner having a toner particle including a binder resin and a colorant, wherein the toner has a softening point of at least 100° C. and not more than 150° C., and when Tgt represents a glass transition temperature (° C.) of the toner during a second temperature rise as measured with a DSC, Tgf represents a glass transition temperature (° C.) of a tetrahydrofuran-insoluble matter of the binder resin during a second temperature rise as measured with a DSC, and Tgk represents a glass transition temperature (° C.) of a tetrahydrofuran-soluble matter of the binder resin during a second temperature rise as measured with a DSC, the toner satisfies Tgt>Tgf (1), Tgt>Tgk (2), and 35° C.?Tgf?70° C. (3).

Abstract: A toner comprising a toner particle containing a resin and a colorant, wherein, with respect to a temperature-storage elastic modulus curve obtained by powder dynamic viscoelastic measurement on the toner, (I) the relative minimum values for the variation in the storage elastic modulus E? with respect to temperature T in the temperature range of at least 30° C. and not more than 180° C. have a relative minimum value of equal to or less than ?1.00×107 and the relative minimum value on the lowest temperature side is equal to or less than ?1.00×108; (II) the storage elastic modulus E? (50) of the toner at 50° C. is at least 1.00×109 and not more than 9.00×109; and (III) for a storage elastic modulus E? (120) of the toner at 120° C., E? (50) and E? (120) satisfy 1.50?[E? (50)]/[E? (120)]?3.00.

Abstract: Provided is a toner having a toner particle that contains a binder resin and a magnetic particle, wherein the magnetic particle satisfies the following stipulations (i) to (iii): (i) the magnetic particle has a prescribed shape and has a protruded portion on a plane portion thereof, (ii) the magnetic particle has a core particle that contains magnetite and has a coating layer, and (iii) the coating layer contains an iron-containing oxide and at least one of a silicon-containing oxide and an aluminum-containing oxide. In a molecular weight distribution measured on the tetrahydrofuran-soluble matter of the toner, the ratio (Mw/Mn) of a weight-average molecular weight to a number-average molecular weight is at least 10.0.

Abstract: An optical measurement apparatus includes: an emission section that emits light such that the light travels across an anterior chamber of an eyeball of a measurement subject; a light reception section that receives light that is emitted from the emission section and travels across the anterior chamber; and a positioning section that performs positioning of one of the emission section and the light reception section at a position where skin on a periphery of an inner canthus of the eyeball is squeezed into an eye socket accommodating the eyeball.

Abstract: A liquid ejecting head includes a nozzle that ejects a liquid, a flow path member formed with a flow path that guides the liquid to the nozzle, a supply path member formed with a supply path that supplies the liquid to the flow path member, and a heater that heats the supply path member. A linear expansion coefficient of the supply path member is greater than a linear expansion coefficient of the flow path member. The flow path member and the supply path member are joined together by a thermoset adhesive. The heater is provided to the supply path member.

Abstract: An optical measurement apparatus includes: an emission section that emits light such that the light travels across an anterior chamber of an eyeball of a measurement subject; a light reception section that receives light that is emitted from the emission section and travels across the anterior chamber; and a positioning section that performs positioning of one of the emission section and the light reception section at a position where skin on a periphery of an inner canthus of the eyeball is squeezed into an eye socket accommodating the eyeball.

Abstract: A measurement apparatus includes: an eyelid opening section that comes into contact with skin on a periphery of an eyeball of a measurement subject and maintains an eyelid of the measurement subject in an open state; an emission section that emits light such that the light travels across an anterior chamber of the eyeball in which the eyelid is maintained in an open state by the eyelid opening portion; and a light reception section that receives the light which travels across the anterior chamber.

Abstract: Provided is a toner having a toner particle that contains a binder resin and a magnetic particle, wherein the magnetic particle satisfies the following stipulations (i) to (iii): (i) the magnetic particle has a prescribed shape and has a protruded portion on a plane portion thereof, (ii) the magnetic particle has a core particle that contains magnetite and has a coating layer, and (iii) the coating layer contains an iron-containing oxide and at least one of a silicon-containing oxide and an aluminum-containing oxide. In a molecular weight distribution measured on the tetrahydrofuran-soluble matter of the toner, the ratio (Mw/Mn) of a weight-average molecular weight to a number-average molecular weight is at least 10.0.

Abstract: An optical measuring apparatus includes a light output device that outputs light so as to cross an anterior chamber of an eyeball of a subject, a light receiving device that receives the light having crossed the anterior chamber, and a positioning device that positions the light output device and the light receiving device at such positions that, when the eyeball is adducted, the light output from the light output device crosses the anterior chamber and is received by the light receiving device.

Abstract: A liquid ejecting apparatus is provided with a liquid ejecting unit capable of ejecting liquid, a plurality of liquid holding portions capable of holding the liquid that is discharged from the liquid ejecting unit, and a suction mechanism which is connected to the plurality of liquid holding portions. The liquid holding portion includes a liquid reception portion which receives the liquid that is discharged from the liquid ejecting unit, a liquid reservoir portion capable of storing the liquid further down in a vertical direction than the liquid reception portion, and an atmosphere communicating portion which communicates the liquid reservoir portion with the atmosphere.