Abstract: A disc brake device includes a rotary member, a brake disc, and an airflow-rate restriction member. The brake disc includes a disc body and a plurality of fins. The airflow-rate restriction member includes a base plate and a protruding portion. The base plate is sandwiched between the rotary member and the fins. The protruding portion is arranged inward in the radial direction of the disc body with respect to the fins. The protruding portion protrudes from the base plate toward a disc body side. The protruding portion extends in the circumferential direction of the disc body.

Abstract: A brake disk unit includes a rotating member, a brake disk, and a control member. The brake disk includes a disk main body, fins, and convex portions and/or concave portions. The control member includes a support portion and a projecting portion. At least a part of the projecting portion is arranged between fins that are adjacent in the circumferential direction of the brake disk. A gap is formed between the projecting portion and the brake disk. On the surface of the brake disk, the convex portions and/or the concave portions are provided further on the outer side in the radial direction of the brake disk than a minimum opening portion of the gap.

Abstract: An agricultural assistance system includes: an operation mechanism that contacts a plant to perform a predetermined operation; and a control unit. The control unit includes: a model generation unit that generates a three-dimensional model of a plant based on a combination of predetermined generation conditions; a training unit that generates a first trained model trained with training data, the training data including: a value of a predetermined parameter in the three-dimensional model; and an image of a plant; an image obtainment unit that obtains an image of a target plant to be evaluated; a model obtainment unit that obtains the first trained model; a parameter estimation unit that estimates, based on the first trained model and the image of the target plant to be evaluated, a value of the predetermined parameter for a predetermined site in the target plant to be evaluated; and an operation instruction unit.

Abstract: A disc brake device includes a rotary member, a brake disc, and a control member. The brake disc includes a disc body having an annular shape and fins. The control member controls an airflow rate between the fins disposed adjacent to each other in a circumferential direction of the brake disc. The control member includes a base plate and a protruding portion. The protruding portion protrudes from the base plate toward the disc body. A top surface of each fin has a recessed portion. The protruding portion extends in the circumferential direction through from the recessed portion of one of the fins disposed adjacent to each other to the recessed portion of the other of the fins.

Abstract: A disc brake device includes a rotary member, a brake disc, a control member, and a fastening member. The brake disc includes a disc body having an annular shape and a plurality of fins. The control member includes a base plate and a protruding portion, and controls an airflow rate between the fins disposed adjacent to each other. At least one of the fins has a fastening hole including a small diameter portion. The base plate has a through hole. A shaft portion of the fastening member is inserted through the small diameter portion and the through hole. A peripheral edge of the through hole is disposed on an outer circumferential side of a peripheral edge of the small diameter portion.

Abstract: Provided is an electrolytic solution that includes: an electrolyte containing lithium salt; and a nonaqueous solvent containing cyclic alkylene carbonate and methyl propionate, the electrolyte contains lithium salt other than LiPF6 in an amount of not less than 30 mol % with respect to a total amount of the lithium salt, and the nonaqueous solvent contains 75 volume % or more of the methyl propionate.

Abstract: A brake disc includes a disc body and a plurality of fins. The plurality of fins are disposed on one surface of the disc body such that each of the fins extends from an inner peripheral side toward an outer peripheral side of the disc body. Each of the fins includes two side surfaces and a top surface. Among the plurality of fins, at least one fin includes a plurality of protruding ridge portions. The plurality of protruding ridge portions are arranged in a radial direction of the disc body on at least one side surface of the two side surfaces of the fin. Each of the protruding ridge portions extends between the disc body and the top surface of the fin.

Abstract: The present disclosure provides a method for evaluating a likelihood that a subject belongs to a group for a classification attribute having a binary classification. The method includes: receiving a subject score for an observation value of the subject; acquiring sensitivity and specificity of the subject score with the subject score as a parameter, by using a relational expression established between the sensitivity and the specificity with a score for the observation value as a parameter; acquiring a prior probability of an attribute of the subject; and acquiring a likelihood of belonging to a classification attribute specific to the subject based on the sensitivity, the specificity, and the prior probability of the subject.

Abstract: The present disclosure provides a body fluid extract containing micro RNA. According to the present disclosure, an extract of body fluid containing any of the micro RNA described in data S1 or table 2, or in any of tables 4-1 to 4-15, is provided.

Abstract: There is provided a sintered friction material for railway vehicles that has excellent frictional properties and wear resistance even in a high speed range of 280 km/hour or more. The sintered friction material for railway vehicles is a green compact sintered material containing, in mass %, Cu: 50.0 to 75.0%, graphite: 5.0 to 15.0%, one or more selected from the group consisting of magnesia, zircon sand, silica, zirconia, mullite, and silicon nitride: 1.5 to 15.0%, one or more selected from the group consisting of W and Mo: 3.0 to 30.0%, and one or more selected from the group consisting of ferrochromium, ferrotungsten, ferromolybdenum, and stainless steel: 2.0 to 20.0%, with the balance being impurities.

Abstract: Provided are an electrolytic solution suitable for a lithium ion secondary battery that includes a positive electrode which has a positive electrode active material having an olivine structure, and includes a negative electrode having graphite as a negative electrode active material, and a superior lithium ion secondary battery having the electrolytic solution. The lithium ion secondary battery includes: a positive electrode that includes a positive electrode active material having an olivine structure; a negative electrode having graphite as a negative electrode active material; and an electrolytic solution. The electrolytic solution contains LiPF6, a cyclic alkylene carbonate selected from ethylene carbonate and propylene carbonate, methyl propionate, and an additive that starts reductive degradation at a potential higher than a potential at which the above components of the electrolytic solution start reductive degradation.

Abstract: An aerodynamic noise reduction member 30 includes: a plate-like support portion 32 sandwiched between a plurality of fins 24 and 26 of a brake disk 20 and a rotating member 102 of a railroad vehicle; and a plurality of protruding portions 34 protruding from the support portion 32. Each of the plurality of protruding portions 34 is provided in such a manner that, in a state in which the support portion 32 is sandwiched between the plurality of fins 24 and 26 and the rotating member 102, each of the protruding portions 34 partially occludes between the fastening fin 24 and the anchoring fin 26 adjacent to each other in a circumferential direction of the brake disk 20.

Abstract: A brake disk unit includes a rotating member, a brake disk, and a control member. The brake disk includes a disk main body, fins, and convex portions and/or concave portions. The control member includes a support portion and a projecting portion. At least a part of the projecting portion is arranged between fins that are adjacent in the circumferential direction of the brake disk. A gap is formed between the projecting portion and the brake disk. On the surface of the brake disk, the convex portions and/or the concave portions are provided further on the outer side in the radial direction of the brake disk than a minimum opening portion of the gap.

Abstract: A brake disc for a railway vehicle includes: a disc plate portion that has a sliding portion of a front face; a plurality of radial fins that are provided on the rear face of a disc plate portion, and that have a shape that extends in the radial direction of the disc plate portion; and a circumferential rib that is provided between each pair of adjacent radial fins, and that has a shape that extends in the circumferential direction of the disc plate portion. A flow path for air is formed between the pair of radial fins, and the flow path for air is narrowed by the circumferential rib. On the circumferential rib, a gradual slope for suppressing fluctuations in an airflow that passes between the pair of radial fins is provided from a base part to a top part.

Abstract: A laser amplifier for a green laser pulse includes at least one gain medium doped with praseodymium and at least one gallium nitride based diode laser for pumping the gain medium. A green seed laser pulse going through the gain medium becomes an amplified green laser pulse.

Abstract: Problem to be Solved Provided is a method for manufacturing a pharmaceutical preparation, which safely and simply enables uniformization of contents of a small amount of a drug. [Solution] The method for manufacturing the pharmaceutical preparation includes: using a liquid for dispensing, the liquid containing a drug; and a first application step of applying the drug to a surface of a tablet or a capsule by a dispensing method. In addition, a pharmaceutical preparation according to the present invention includes: a base; and a drug which is applied to a surface of the base by a dispensing method, and the base is a tablet or a capsule.

Abstract: A lithium ion secondary battery having excellent durability is provided. The lithium ion secondary battery includes: a positive electrode including a current collector made from aluminum; a negative electrode; and an electrolytic solution. The electrolytic solution contains an electrolyte including a lithium salt, and a linear carbonate represented by formula (2), the linear carbonate is contained at a mole ratio of 3 to 6 relative to the lithium salt, and the electrolyte includes a first lithium salt represented by formula (1) and a second alkali metal salt; (R1X1)(R2SO2)NLi: formula (1); and R20OCOOR21: formula (2).

Abstract: Disclosed is a brake disc for a railway vehicle including: a disc plate portion with a sliding portion in a surface; and a through hole that penetrates the disc plate portion from a front surface to a back surface of the disc plate portion, in which a bolt for fastening the disc plate portion to a wheel of the railway vehicle is inserted. An inclined surface is formed at an edge of an opening of the through hole at a front side of the disc plate portion, and the inclined surface extends larger in a circumferential direction of the disc plate portion than in a radial direction of the disc plate portion.

Abstract: An aerodynamic noise reduction member 30 includes: a plate-like support portion 32 sandwiched between a plurality of fins 24 and 26 of a brake disk 20 and a rotating member 102 of a railroad vehicle; and a plurality of protruding portions 34 protruding from the support portion 32. Each of the plurality of protruding portions 34 is provided in such a manner that, in a state in which the support portion 32 is sandwiched between the plurality of fins 24 and 26 and the rotating member 102, each of the protruding portions 34 partially occludes between the fastening fin 24 and the anchoring fin 26 adjacent to each other in a circumferential direction of the brake disk 20.

Abstract: A brake disc for a railway vehicle is provided in which noise arising from the brake disc during high-speed rotation of a wheel is reduced by a large margin. A brake disc for a railway vehicle includes: a disc plate portion that has a sliding portion on a front face thereof; a plurality of through-holes that pass from the front face to a rear face of the disc plate portion and are arranged in alignment in the circumferential direction of the disc plate portion, the through-holes allowing bolts to pass therethrough for fastening together the disc plate portion and a wheel of the railway vehicle; and a groove provided to link a plurality of through-holes on the front face side of the disc plate portion.