Abstract: A heat exchanger includes a first and second heat transfer plates laminated on each other. The first heat transfer plate includes two first flow ports, two first through holes, a first heat transfer region, and a first connection portion connected to one of the first flow ports and the first heat transfer region. The second heat transfer plate includes a second flow port that communicates with one of the first through holes, two second through holes, a second heat transfer region, and a second connection portion connected to the second flow port and the second heat transfer region. The second flow port is formed at a position opposite to the second heat transfer region with one of the second through holes interposed. The second connection portion is formed so as to go around an outer side of the second through hole, and includes a second protrusion portion.

Abstract: A fundus imaging apparatus includes a base, a display unit, an imaging optical system, an OCT optical system, a control unit configured to execute at least (i) imaging control of an imaging optical system and an OCT optical system, (ii) display control processing of a color image and an OCT image based on OCT data, and (iii) analysis processing of the OCT data, and an imaging unit housing the imaging optical system, the OCT optical system, and the control unit therein. The control unit is disposed above the imaging optical system and the OCT optical system in the imaging unit. The imaging unit includes an exhaust port that discharges air heated by the control unit. The exhaust port is located at the same height as the control unit or at a position higher than the control unit.

Abstract: There is used a toner accommodating container including: a bag-shaped accommodating portion having flexibility; and a toner accommodated in the accommodating portion, and including a silica particle. The toner has a value of Total Energy of 300 mJ or less in measurement of the Total Energy when a propeller type blade is caused to penetrate a surface of a powder layer of the toner manufacturing by applying a vertical load of 88 kPa in a measurement container in a powder flowability measurement device while the propeller type blade is being rotated at a peripheral speed of 100 mm/see of an outermost edge portion thereof.

Abstract: A heat exchanger includes a first fluid layer having a first fluid passage through which a first fluid flows, and a second fluid layer having a second fluid passage through which a second fluid that undergoes a phase change flows. The first and second fluid layers are alternately stacked, and the heat exchanger exchanges heat between the first and second fluids. The second fluid passage is divided into a plurality of channel sections from a first channel section to an N-th channel section by a structure that makes the second fluid turn around (N-1) times. N is a natural number greater than or equal to two. The first channel section is near a condensation outlet or an evaporation inlet. The N-th channel section is near a condensation inlet or an evaporation outlet. A channel cross-sectional area of the first channel section is smaller than the N-th channel section.

Abstract: A heat exchanger that exchanges heat between a first fluid and a second fluid, includes: a first flow path through which the first fluid flows; a second flow path through which the second fluid flows; a first wall between the first flow path and the second flow path; and a second wall between the first wall and the second flow path. The first fluid flows through the first flow path in a direction intersecting a stacking direction that is a direction in which the first wall and the second wall are stacked. The second fluid flows through the second flow path in a direction intersecting the stacking direction.

Abstract: An imaging apparatus includes: an image sensor generating original image data; an image processor performing image processing to generate image data; a storage storing a plurality of first parameter sets and at least one second parameter set; and a user interface receiving a user operation combining a first parameter set with a second parameter set. Each of the plurality of first parameter sets defines the effect in the image processing. Each of the at least one second parameter set defines a correspondence before and after color information in an image is converted. Based on the user operation, the image processor: adjusts an image indicated by the original image data, using the first parameter set included in the combination designated by the user operation; and converts color information included in the image adjusted by the first parameter set, using the second parameter set included in the designated combination.

Abstract: A conventional process cartridge is developed. A rotatable developing roller, a developing frame for rotatably supporting the developing roller, toner including toner particles and an external additive, a toner accommodating portion for accommodating the toner, a supplying roller for supplying the toner to a surface of the developing roller in contact with the surface of the developing roller, a regulating blade for regulating a layer thickness of the toner carried on the surface of the developing roller in contact with the surface of the developing roller, and an electrical contact electrically connected to the supplying roller and the regulating blade and capable of receiving electric power from an outside are provided, wherein the toner includes hydrotalcite particles as the external additive, and in line analysis in STEM-EDS mapping analysis of the toner, fluorine exits inside the hydrotalcite particles.

Abstract: A water collecting device includes an ice-wall forming part configured to heat the ground to form an ice wall with ice that includes moisture in the ground, and a water collecting part configured to recover a first gas within a region surrounded by the ice wall and collect water from the recovered first gas.

Abstract: A cartridge provides comprising: a toner, a developing roller, a supply member and a regular member. The supply member abuts the surface of the developing roller and the regulating member serves to regulate the toner carried on the surface of the developing roller. The cartridge includes a first supply electrode to which a voltage is supplied from outside of the cartridge, with the supply member and the regulating member electrically connected to the same first supply electrode. Additionally, the toner contains a compound A having a structure represented by Formula (1) below, —(CH2CH2O)—??(1) where, when compound A is eluted in methanol a supernatant containing compound A is analyzed by liquid chromatograph ESI/MS, a specific peak of which an average m/z is 300 to 1000 exists.

Abstract: There is used a toner accommodating container including: a bag-shaped accommodating portion having flexibility; and a toner accommodated in the accommodating portion, and including a silica particle. The toner has a value of Total Energy of 300 mJ or less in measurement of the Total Energy when a propeller type blade is caused to penetrate a surface of a powder layer of the toner manufacturing by applying a vertical load of 88 kPa in a measurement container in a powder flowability measurement device while the propeller type blade is being rotated at a peripheral speed of 100 mm/see of an outermost edge portion thereof.

Abstract: A toner container includes: a bag having an opening; a discharge member having a receiving port aligned with the bag in a first direction and for receiving toner, and a discharge port for discharging the toner; and a shutting member shutting the discharge port. The receiving port is provided on an inner side with respect to the opening in a second direction orthogonal to the first direction. The receiving port is open in the first direction and has an area greater than or equal to 25 mm2. The discharge member has a fixing portion to which the opening is fixed, and a surface between the fixing portion and the receiving port. A filling amount [g] of the toner with respect to a total volume [cm3] up to which the toner in the toner container is allowed to be contained is less than or equal to 0.547 [g/cm3].

Abstract: An imaging apparatus includes: an image sensor generating original image data; an image processor performing image processing to generate image data; a storage storing a plurality of first parameter sets and at least one second parameter set; and a user interface receiving a user operation combining a first parameter set with a second parameter set. Each of the plurality of first parameter sets defines the effect in the image processing. Each of the at least one second parameter set defines a correspondence before and after color information in an image is converted. Based on the user operation, the image processor: adjusts an image indicated by the original image data, using the first parameter set included in the combination designated by the user operation; and converts color information included in the image adjusted by the first parameter set, using the second parameter set included in the designated combination.

Abstract: An imaging apparatus includes: an image sensor generating original image data; an image processor performing image processing to generate image data; a storage storing a plurality of first parameter sets and at least one second parameter set; and a user interface receiving a user operation combining a first parameter set with a second parameter set. Each of the plurality of first parameter sets defines the effect in the image processing. Each of the at least one second parameter set defines a correspondence before and after color information in an image is converted. Based on the user operation, the image processor: adjusts an image indicated by the original image data, using the first parameter set included in the combination designated by the user operation; and converts color information included in the image adjusted by the first parameter set, using the second parameter set included in the designated combination.

Abstract: A cartridge comprising: a toner; a developing roller; a supply member abutting the surface of the developing roller a regulating member regulating the toner carried on the surface of the developing roller, wherein the cartridge comprises a first supply electrode to which a voltage is supplied from outside of the cartridge, the supply member and the regulating member are electrically connected to the same first supply electrode, the toner comprises a compound A having a structure represented by Formula (1) below, —(CH2CH2O)—??(1) the compound A is eluted in methanol a supernatant comprising the compound A is analyzed by liquid chromatograph ESI/MS, a specific peak of which an average m/z is 300 to 1000 exists.

Abstract: An imaging apparatus includes: an image sensor generating original image data; an image processor performing image processing to generate image data; a storage storing a plurality of first parameter sets and at least one second parameter set; and a user interface receiving a user operation combining a first parameter set with a second parameter set. Each of the plurality of first parameter sets defines the effect in the image processing. Each of the at least one second parameter set defines a correspondence before and after color information in an image is converted. Based on the user operation, the image processor: adjusts an image indicated by the original image data, using the first parameter set included in the combination designated by the user operation; and converts color information included in the image adjusted by the first parameter set, using the second parameter set included in the designated combination.

Abstract: By using a polycyclic aromatic compound as a material for a light-emitting layer, formed by connecting a plurality of aromatic rings with a boron atom and an oxygen, sulfur, or selenium atom, which have been substituted by a specific aryl such as anthracene, an organic EL element having at least one of excellent quantum efficiency and element life can be provided.

Abstract: A subjective optometry apparatus has a projection optical system including a visual target presenting portion and an optical member to project a target light flux toward a subject eye, and causing the target light flux to be incident on the optical member with a deviation of the incident target light flux from an optical axis of the optical member, a housing accommodating the projection optical system, a presentation window for emitting the target light flux from the inside of the housing to the outside thereof, an eye refractive power measurement unit provided outside the housing, and holding means integrally connecting the housing to the eye refractive power measurement unit to hold the eye refractive power measuring unit. When using the eye refractive power measuring unit, a distance from the presentation window to the eye refractive power measurement unit in an optical path is equal to or less than 180 mm.

Abstract: By providing a novel polycyclic aromatic compound in which a plurality of aromatic rings is linked via a nitrogen atom, a boron atom, or the like, options of a material for an organic EL element are increased. In addition, by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element, an excellent organic EL element is provided.

Abstract: An object is to provide an azoline ring-containing compound which achieves characteristics required for an organic EL element, such as a driving voltage, a quantum efficiency, and element lifetime in a well-balanced manner, and particularly can obtain a high quantum efficiency, for example, in a case where the azoline ring-containing compound is used for the organic EL element. The above object is achieved by an azoline ring-containing compound represented by the following general formula (1). In formula (1), ? represents an m-valent group derived from an aromatic hydrocarbon having 6 to 40 carbon atoms or the like, Y represents —O—, —S—, or >N—Ar, R1 to R5 each represent a hydrogen atom or an alkyl having 1 to 4 carbon atoms, and L represents a phenylene group or the like.

Abstract: By manufacturing an organic EL element using a material for a light emitting layer including a pyrene-based compound represented by the following formula (2) as a host material and a polycyclic aromatic compound in which a plurality of aromatic rings is linked with a boron atom and a nitrogen atom or an oxygen atom as a dopant material, an organic EL element having, for example, excellent light emission efficiency is provided. In the above formula (2), at least one hydrogen atom in a pyrene moiety may be substituted by an aryl having 6 to 10 carbon atoms or the like. Ar represents an aryl having 14 to 40 carbon atoms or a heteroaryl having 12 to 40 carbon atoms. These groups may be substituted by an aryl having 6 to 10 carbon atoms or the like. s and p each independently represent an integer of 1 or 2. s and p do not simultaneously represent 2. One or more hydrogen atoms in a compound represented by formula (2) may be each independently substituted by a halogen atom, cyano, or a deuterium atom.