Abstract: An inverted microscope system provided with a transillumination subsystem that illuminates a sample includes: an eyepiece lens; an objective; a tube lens; a projection device, disposed below the objective, that projects a projected image based on projected image data onto an image plane where an optical image is formed; a first modulation element included in the transillumination subsystem; a second modulation element disposed between the objective and the tube lens; and a processor and a memory, the processor being configured to perform the following steps: generating an analysis result that specifies a candidate cell that is a reproductive cell suitable for fertilization, based on at least the digital image data acquired by the imaging device; and generating the projected image data based on the generated analysis result, wherein the projected image includes a first assisting image that specifies the candidate cell as an assisting image that assists with micro-insemination.

Abstract: A centrifugally cast composite roll for hot rolling comprising an outer layer made of an Fe-based alloy having a chemical composition comprising by mass 2.6-3.6% of C, 0.1-3% of Si, 0.3-2% of Mn, 2.3-5.5% of Ni, 0.5-3.2% of Cr, 0.3-1.6% of Mo, 1.8-3.4% of V, and 0.7-2.4% of Nb, 1.4?V/Nb?2.7, a V equivalent (Veq=V+0.55Nb) being 2.60-4% by mass, and the balance being Fe and impurities, and an inner layer made of an iron-based alloy and integrally fused to the outer layer.

Abstract: A composite cemented carbide roll comprising an inner layer made of an iron-based alloy, and an outer layer made of cemented carbide which is metallurgically bonded to an outer peripheral surface of the inner layer; the cemented carbide of the outer layer comprising 55-90 parts by mass of WC particles and 10-45 parts by mass of an Fe-based binder phase having a particular composition; a shaft member and a shaft end member being metallurgically bonded to at least one axial end of the inner layer; the inner layer being made of an iron-based alloy containing 2.0% or more in total by mass of at least one selected from the group consisting of Cr, Ni and Mo; and the shaft member and the shaft end member being made of an iron-based alloy containing 1.5% or less in total by mass of at least one selected from the group consisting of Cr, Ni and Mo.

Abstract: A centrifugally cast composite roll for hot rolling comprising an outer layer made of an Fe-based alloy having a chemical composition comprising by mass 2.6-3.6% of C, 0.1-3% of Si, 0.3-2% of Mn, 2.3-5.5% of Ni, 0.5-3.2% of Cr, 0.3-1.6% of Mo, 1.8-3.4% of V, and 0.7-2.4% of Nb, 1.4 ?V/Nb ?2.7, a V equivalent (Veq=V+0.55 Nb) being 2.60-4% by mass, and the balance being Fe and impurities, and an inner layer made of an iron-based alloy and integrally fused to the outer layer.

Abstract: A crack detection device performs online identification of the occurrence and propagation of a crack in the surface of the barrel portion of a rolling roll. A rolling roll is provided with the crack detection function without any substantial modification of the rolling device and without any continuous disposition of multiple sensors in the rolling roll. The detection device is incorporated in a rolling device having a barrel portion and shaft portions extending as a unit from both ends of the barrel portion and includes the rolling roll where an AE sensor detecting elastic waves generated on a surface of the barrel portion and a calculation unit calculating a feature value of the elastic waves detected by the AE sensor are disposed in at least one of the shaft portions and a discrimination unit discriminating, from the feature value, elastic waves attributable to a crack occurring in the barrel surface.

Abstract: A composite roll for rolling having a structure comprising centrifugally cast outer and intermediate layers of an Fe-based alloy integrally fused to an inner layer of ductile cast iron; the outer layer having a composition comprising by mass 1-3% of C, 0.3-3% of Si, 0.1-3% of Mn, 0.5-5% of Ni, 1-7% of Cr, 2.2-8% of Mo, 4-7% of V, 0.005-0.15% of N, and 0.05-0.2% of B, the balance being Fe and inevitable impurities; the intermediate layer containing 0.025-0.15% by mass of B; the B content in the intermediate layer being 40-80% of that in the outer layer; and the total amount of Cr, Mo, V, Nb and W in the intermediate layer being 40-90% of that in the outer layer.

Abstract: Provided is a microscope parameter setting method including step of setting a focal point position relative to a specimen, step of adjusting a microscope parameter, step of acquiring an image of the specimen at the set focal point position, step of recognizing the shape of an observation object, steps of displaying the recognized shape of the observation object such that the recognized shape is superimposed on the image, step of determining whether or not the microscope parameter is appropriate, and step of storing the microscope parameter that has been determined to be appropriate, such that the microscope parameter is associated with the focal point position.

Abstract: A composite roll for rolling comprising an outer layer and an inner layer integrally fused to each other; the outer layer being made of an Fe-based alloy comprising by mass 1-3% of C, 0.3-3% of Si, 0.1-3% of Mn, 0.1-5% of Ni, 1-7% of Cr, 1-8% of Mo, 4-7% of V, 0.005-0.15% of N, and 0.05-0.2% of B; the inner layer being made of graphite cast iron comprising by mass 2.4-3.6% of C, 1.5-3.5% of Si, 0.1-2% of Mn, 0.1-2% of Ni, less than 0.7% of Cr, less than 0.7% of Mo, 0.05-1% of V, and 0.01-0.1% of Mg; the inner layer comprising a core portion fused to the outer layer, and shaft portions integrally extending from both ends of the core portion; at least one of the shaft portions containing 200/cm2 or more of hard MC carbides having circle-equivalent diameters of 5 ?m or more.

Abstract: A composite cemented carbide roll comprising an inner layer made of an iron-based alloy, and an outer layer made of cemented carbide which is metallurgically bonded to an outer peripheral surface of the inner layer; the cemented carbide of the outer layer comprising 55-90 parts by mass of WC particles and 10-45 parts by mass of an Fe-based binder phase having a particular composition; a shaft member and a shaft end member being metallurgically bonded to at least one axial end of the inner layer; the inner layer being made of an iron-based alloy containing 2.0% or more in total by mass of at least one selected from the group consisting of Cr, Ni and Mo; and the shaft member and the shaft end member being made of an iron-based alloy containing 1.5% or less in total by mass of at least one selected from the group consisting of Cr, Ni and Mo.

Abstract: An inverted microscope system provided with a transillumination subsystem that illuminates a sample includes: an eyepiece lens; an objective; a tube lens; a projection device, disposed below the objective, that projects a projected image based on projected image data onto an image plane where an optical image is formed; a first modulation element included in the transillumination subsystem; a second modulation element disposed between the objective and the tube lens; and a processor and a memory, the processor being configured to perform the following steps: generating an analysis result that specifies a candidate cell that is a reproductive cell suitable for fertilization, based on at least the digital image data acquired by the imaging device; and generating the projected image data based on the generated analysis result, wherein the projected image includes a first assisting image that specifies the candidate cell as an assisting image that assists with micro-insemination.

Abstract: An experiment information management system includes a first experiment apparatus configured to generate first experiment result information and first log data; a recording apparatus configured to record the first experiment result information and the first log data generated in the first experiment apparatus; and an experiment note generation apparatus configured to generate an experiment note being a record of an experiment, according to at least the first experiment result information and the first log data recorded in the recording apparats.

Abstract: A cell culture monitoring system includes measuring units housed in an incubator and each equipped with an indicator, the measuring units each measuring a state of cells in a culture container mounted therein; and an administration unit. The administration unit includes a receiver that receives, from each of the measuring units, a state of the cells measured, the state being associated with identification information of the measuring unit; an analyzer that analyzes the state of the cells and computes information indicating a culture state; a storage that stores, in association with each other, the information indicating the culture state and the identification information; a display that displays, in association with each other, the information indicating the culture state and an identification based on the identification information; and a controller that controls the indicators so that each of the indicators displays the identification corresponding to the identification displayed on the display.

Abstract: A composite roll for rolling comprising an outer layer and an inner layer integrally fused to each other; the outer layer being made of an Fe-based alloy comprising by mass 1-3% of C, 0.3-3% of Si, 0.1-3% of Mn, 0.1-5% of Ni, 1-7% of Cr, 1-8% of Mo, 4-7% of V, 0.005-0.15% of N, and 0.05-0.2% of B; the inner layer being made of graphite cast iron comprising by mass 2.4-3.6% of C, 1.5-3.5% of Si, 0.1-2% of Mn, 0.1-2% of Ni, less than 0.7% of Cr, less than 0.7% of Mo, 0.05-1% of V, and 0.01-0.1% of Mg; the inner layer comprising a core portion fused to the outer layer, and shaft portions integrally extending from both ends of the core portion; at least one of the shaft portions containing 200/cm2 or more of hard MC carbides having circle-equivalent diameters of 5 ?m or more.

Abstract: A display control system includes an image data generation device that generates a plurality of pieces of image data, a storage device that stores the plurality of pieces of image data and a plurality of pieces of position data of holding units, and a display data generation device that generates display data on the basis of the plurality of pieces of image data and position data. The display data is data for aligning and displaying in a fixed direction a plurality of pieces of sample information that includes at least either a plurality of images or a plurality of analysis results, and data that is a result of laying out first sample information and first position information in such a manner that a display device displays the first sample information and the first position information representing a position of a first holding unit corresponding to the first sample information.

Abstract: A microscope system includes a microscope apparatus configured to obtain a microscopic image of a culture cell by picking up an image of the culture cell, and a first control device configured to record a culture condition of the culture cell and the microscopic image in a recording unit in association with each other.

Abstract: A crack detection device performs online identification of the occurrence and propagation of a crack in the surface of the barrel portion of a rolling roll. A rolling roll is provided with the crack detection function without any substantial modification of the rolling device and without any continuous disposition of multiple sensors in the rolling roll. The detection device is incorporated in a rolling device having a barrel portion and shaft portions extending as a unit from both ends of the barrel portion and includes the rolling roll where an AE sensor detecting elastic waves generated on a surface of the barrel portion and a calculation unit calculating a feature value of the elastic waves detected by the AE sensor are disposed in at least one of the shaft portions and a discrimination unit discriminating, from the feature value, elastic waves attributable to a crack occurring in the barrel surface.

Abstract: The number of cells existing and the positions thereof in a container that contains the cells can be grasped at a glance. Provided is an analysis-result browsing device that includes: a camera that captures cells at set capturing positions; a processing unit that detects and analyzes the cells captured by the camera, for the respective capturing positions; a display unit that displays analysis results of the cells analyzed by the processing unit, together with a container map that shows a container and the plurality of capturing positions in the container; and a control unit that sets the capturing positions in the container, which contains the cells, and simultaneously displays the analysis results of the cells at at least two of the capturing positions on the container map, which is displayed on the display unit.

Abstract: An observation device including: an imaging element that captures images of cells contained in a culture vessel; an oblique illumination device that performs oblique illumination to the cells from a plurality of illumination directions, out of the optical axis of the imaging element; a controller that detects the relationship between the position of the culture vessel and the position of the imaging element and that selects the illumination directions of the oblique illumination device on the basis of the detected relationship between the position of the culture vessel and the position of the imaging element; and an image processor that applies, on the basis of the illumination direction of the oblique illumination device, processing for reducing shadows on the cells caused by the oblique illumination, to an image of the cells acquired by the imaging element.

Abstract: An experiment information management system includes a first experiment apparatus configured to generate first experiment result information and first log data; a recording apparatus configured to record the first experiment result information and the first log data generated in the first experiment apparatus; and an experiment note generation apparatus configured to generate an experiment note being a record of an experiment, according to at least the first experiment result information and the first log data recorded in the recording apparats.

Abstract: A composite roll for rolling having a structure comprising centrifugally cast outer and intermediate layers of an Fe-based alloy integrally fused to an inner layer of ductile cast iron; the outer layer having a composition comprising by mass 1-3% of C, 0.3-3% of Si, 0.1-3% of Mn, 0.5-5% of Ni, 1-7% of Cr, 2.2-8% of Mo, 4-7% of V, 0.005-0.15% of N, and 0.05-0.2% of B, the balance being Fe and inevitable impurities; the intermediate layer containing 0.025-0.15% by mass of B; the B content in the intermediate layer being 40-80% of that in the outer layer; and the total amount of Cr, Mo, V, Nb and W in the intermediate layer being 40-90% of that in the outer layer.