Abstract: A novel positive electrode active material, a novel positive electrode, and a novel lithium-ion secondary battery are to be provided. The lithium-ion secondary battery includes a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive electrode active material that includes a composite oxide containing lithium and cobalt. The positive electrode active material includes barium, magnesium, and aluminum in a surface portion. When being analyzed, the surface portion preferably includes a region where a first point of the highest barium concentration and a second point of the highest magnesium concentration exist closer to the surface than a third point of the highest aluminum concentration does.

Abstract: The disclosure is to constitute, while reducing a cost for collecting training data used in machine learning that makes a control module acquire an ability to control a robot device, the control module operatable in an actual environment by the machine learning. A learning device according to one aspect of the present invention executes machine learning of an extractor by using a first learning data set constituted by a combination of simulation data and first environmental information and a second learning data set constituted by a combination of actual data and second environmental information. Further, a learning device according to one aspect of the present invention executes machine learning of a controller by using a third learning data set constituted by a combination of third environmental information, state information, and a control command.

Abstract: An optical connection structure includes a first focus lens arranged between a first light incidence/emission end and an optical element, and a second focus lens arranged between a second light incidence/emission end and the optical element. The first focus lens and the second focus lens are arranged on an optical axis connecting the first light incidence/emission end and the second light incidence/emission end.

Abstract: Provided is a polymerizable compound represented by a Formula E-1 or Formula E-2 shown in the description. In Formula E-1 or Formula E-2, R1 represents an alkoxy group, —NRN2, a hydroxy group, an aryl group, or an alkyl group, wherein RN each independently represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; n represents an integer from 1 to 5; R3 represents a hydrogen atom, an acetyl group, a phenoxyacetyl group, a pivaloyl group, a benzyl group, a 4-methoxybenzyl group, a benzoyl group, a triphenylmethyl group, a 4,4?-dimethoxytrityl (DMTr) group, a 4-methoxytrityl (MMTr) group, a 9-phenylxanthenyl group, a trimethylsilyl group, a cyanomethoxymethyl group, a 2-(cyanoethoxy)ethyl group, or a cyanoethoxymethyl group; and X represents a structure represented by any one of Formula B-1 to Formula B-5 shown in the description.

Abstract: An information storage device includes a storage unit, a control unit, an allocation information storage unit, a QoS parameter storage unit, and a monitoring result storage unit. The control unit creates and manages a logical storage area using the storage area of the storage unit when a storage area allocation request is received. The allocation information storage unit stores allocation information related to logical storage areas. The QoS parameter storage unit stores quality requests expected to be satisfied for a communication for using the logical storage area. The control unit monitors the operating state and characteristics of the storage unit and the communication status, and stores the results in the monitoring result storage unit. The control unit derives internal QoS parameters to be set in the information storage device from the information stored in the allocation information storage unit, the QoS parameter storage unit, and the monitoring result storage unit.

Abstract: A lubricant solid contains, in a content of 92 mass % or more and 100 mass % or less, a lubricant having a polygonal network bond structure.

Abstract: An optical connection structure includes an optical waveguide device that includes a substrate, a BOX layer, a first waveguide, and an overcladding in this order, an optical fiber disposed in a V-groove formed in the substrate, a self-forming waveguide disposed between an end face of the optical waveguide device and an end face of the optical fiber, and a cladding disposed around the self-forming waveguide. The optical fiber is positioned so that the end face of the optical fiber faces the end face of the optical waveguide device to cause signal light emitted from the optical fiber to enter the waveguide. The self-forming waveguide is formed with a portion cured by irradiation with resin curing light.

Abstract: A lubricant solid contains, in a content of 92 mass% or more and 100 mass% or less, a lubricant having a polygonal network bond structure.

Abstract: An X-ray imaging apparatus includes a sensor panel that converts incident radiation to an electric signal, a tabular metallic base plate including a front surface where the sensor panel is supported and a region where the tabular metallic base plate has a basic thickness, a circuit board disposed on a rear surface of the tabular metallic base plate, the rear surface being opposite to the front surface, wherein a thickness of the tabular metallic base plate in a region where the circuit board is disposed is larger than the basic thickness.

Abstract: An optical connection element includes a first waveguide core and a second waveguide core above a substrate or a cladding and in which signal light and resin curing light propagate through the first waveguide core and the second waveguide core, the optical connection element including: an inter-core light coupling section in which a part of the first waveguide core and a part of the second waveguide core overlap in a perpendicular direction; and a resin curing light coupling section that couples resin curing light to the second waveguide core.

Abstract: An embodiment is an optical connection element including a first waveguide core and a second waveguide core on a substrate, the first waveguide core and the second waveguide core configured to propagate a signal light and a resin-curing light, and a mode field conversion portion provided at one end of the first waveguide core, wherein the second waveguide core covers at least the mode field conversion portion on the substrate, and a refractive index of the first waveguide core is higher than a refractive index of the second waveguide core.

Abstract: A radiation imaging apparatus comprises a housing which encases an image conversion unit for converting radiation into an electrical signal relating to a radiation image, and has at least one opening formed thereon and a housing conductive portion at least a part of which is a conductive portion, a cover member arranged to cover the opening, which is detachably attached to the housing and comprises a cover conductive portion at least a part of which is a conductive portion; and an elastic member provided between the cover member and the housing, wherein the housing conductive portion and the cover conductive portion are pressed into contact by a reaction force of the elastic member.

Abstract: A first optical waveguide, a second optical waveguide, a connection optical waveguide including a resin core that optically connects the first optical waveguide and the second optical waveguide are included. The resin core is covered with cladding. The second optical waveguide has a core with a diameter that is different from a diameter of a core of the first optical waveguide. The resin core is disposed between an end surface of the first optical waveguide and an end surface of the second optical waveguide and optically connects the first optical waveguide and the second optical waveguide. Moreover, the resin core is configured with a cured photo-curable resin.

Abstract: An optical connection structure includes a first optical waveguide, a second optical waveguide, and an optical element. The first optical waveguide includes a first light incidence/emission end face (104) formed on one end side. In addition, the second optical waveguide includes a second light incidence/emission end face formed on one end side. One end side of the first optical waveguide and one end side of the second optical waveguide are arranged facing each other. The optical element is arranged in contact with the first light incidence/emission end face and the second light incidence/emission end face between the first optical waveguide and the second optical waveguide.

Abstract: An optical connection structure includes a first focus lens arranged between a first light incidence/emission end and an optical element, and a second focus lens arranged between a second light incidence/emission end and the optical element. The first focus lens and the second focus lens are arranged on an optical axis connecting the first light incidence/emission end and the second light incidence/emission end.

Abstract: A radiographic apparatus includes a radiation detection panel configured to detect radiation, and a housing that covers the radiation detection panel. The housing includes an incident surface receiving the radiation, a side surface adjacent to the incident surface, a rear surface opposing the incident surface, and an inclined surface adjacent to each of the side surface and the rear surface. A recessed handle portion is provided on the inclined surface.

Abstract: A radiographic apparatus of the present invention includes a radiation sensor configured to convert incident radiation into an image signal; a base supporting the radiation sensor; an electronic component, electrically connected to the radiation sensor, that generates heat by being driven; a casing containing the radiation sensor, the base and the electronic component; a heat transfer member disposed in an opposite side to the base across the electronic component, and configured to transfer the heat generated from the electronic component to the casing; and a support member supporting the base and the heat transfer member.

Abstract: A radiographic apparatus includes a radiation detection panel configured to detect radiation, and a housing that covers the radiation detection panel. The housing includes an incident surface receiving the radiation, a side surface adjacent to the incident surface, a rear surface opposing the incident surface, and an inclined surface adjacent to each of the side surface and the rear surface. A recessed handle portion is provided on the inclined surface.

Abstract: An electrophotographic photoreceptor includes a conductive support and a single-layer photosensitive layer. The conductive support has an outer peripheral surface with a maximum surface roughness height (Rmax) of about 4.0 ?m or less, and the outer peripheral surface has a recess with a depth-to-aperture size ratio (depth/aperture size) of about 0.03 or more and about 0.12 or less. The single-layer photosensitive layer is disposed on the conductive support and has a thickness of about 20 ?m or more and a modulus of elasticity of about 4.5 GPa or more.

Abstract: An image processing apparatus includes a processor that acquires a plurality of sets of tomographic signals acquired by an image sensor, and generates a representative value in each pixel position of the tomographic image, using the plurality of sets of tomographic signals, and generates the tomographic image with the representative value in each pixel position as a pixel value by determining a target region in which contrast is reduced in the tomographic image, using at least one set of tomographic signals, out of the plurality of sets of tomographic signals, and estimating an estimation value, in each pixel position of the target region, by performing statistical processing on a plurality of tomographic signals corresponding to the pixel position, out of the plurality of sets of tomographic signals. The tomographic image is generated with the estimation value as the representative value in the target region.