Abstract: The objective of the present disclosure is to provide a method for easily evaluating the degree of cleanliness of recycled material derived from used sanitary products. The evaluation method according to the present disclosure has the following configuration. This method for evaluating a degree of cleanliness of recycled material derived from used sanitary products includes: a preparation step of preparing a dispersed aqueous solution in which the recycled material is dispersed in water; a separation step of subjecting the dispersed aqueous solution to centrifugal separation to separate the dispersed aqueous solution into a liquid component and a solid component; and a measuring step of measuring the concentration of protein in the liquid component using a protein measuring means.

Abstract: Provided is an electrodeposited copper foil having high smoothness and at the same time exhibiting high flexibility (particularly, high flexibility after annealing at 180° C. for 1 hour) suitable for a flexible substrate. This electrodeposited copper foil has a ten-point average roughness Rz of 0.1 ?m or larger and 2.0 ?m or smaller on at least one surface, has a tensile strength measured in accordance with IPC-TM-650 of 56 kgf/mm2 or more and less than 65 kgf/mm2 in an unannealed original state, and has a tensile strength measured in accordance with IPC-TM-650 of 15 kgf/mm2 or more and less than 25 kgf/mm2 after annealing at 180° C. for 1 hour.

Abstract: Provided is an electrodeposited copper foil having high smoothness and exhibiting high flexibility (particularly, high flexibility after annealing at 180° C. for 1 hour) suitable for a flexible substrate. This electrodeposited copper foil has an Rz of 0.1 to 2.0 ?m on at least one surface. In cross-sectional analysis by EBSD, a proportion of an area occupied by copper crystal grains satisfying the following conditions relative to an area of an observation field occupied by copper crystal grains is 63% or more. The conditions are as follows: i) (101) orientation; ii) an aspect ratio of 0.500 or less; iii) | sin ?| of 0.001 to 0.707, where ?)(°) is an angle between a normal line of an electrode surface of the electrodeposited copper foil and a major axis of the copper crystal grain; and iv) when the crystal is elliptically approximated, a length of a minor axis of 0.38 ?m or smaller.

Abstract: There are provided a printed film having an increased wet rub resistance and a printing method, an ink set, and a printing apparatus that can increase the wet rub resistance. The printed film is formed on the surface of a non-water-absorbent or slightly water-absorbent printing medium and contains an organic solvent. The printed film satisfies the following relationship (A): 5?IA/IMAX?10??(A). In the relationship, IMAX is the maximum intensity of the secondary ions derived from the organic solvent, measured in the thickness direction from the uppermost surface of the printed film by time-of-flight secondary ion mass spectrometry (TOF-SIMS); and IA is the average intensity of the secondary ions derived from the organic solvent measured in the thickness direction from the uppermost surface of the printed film by time-of-flight secondary ion mass spectrometry (TOF-SIMS) in a period between 0.05×TMAX and 0.

Abstract: The objective of the present disclosure is to provide a method for easily evaluating the degree of cleanliness of recycled material derived from used sanitary products. The evaluation method according to the present disclosure has the following configuration. This method for evaluating a degree of cleanliness of recycled material derived from used sanitary products includes: a preparation step of preparing a dispersed aqueous solution in which the recycled material is dispersed in water a separation step of subjecting the dispersed aqueous solution to centrifugal separation to separate the dispersed aqueous solution into a liquid component and a solid component; and a measuring step of measuring the concentration of protein in the liquid component using a protein measuring means.

Abstract: An absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet. The liquid-permeable top sheet includes a blood modifying agent with an IOB of 0.00-0.60, a melting point of no higher than 45° C., a water solubility of 0.00-0.05 g in 100 g of water at 25° C., and a weight-average molecular weight of no greater than 1,000.

Abstract: An electronic device includes a base material, a first metal film disposed on the base material and containing nitrogen and chromium, and a second metal film disposed on the first metal film and containing gold. In the first metal film, the number of nitrogen atoms may be between 20% to 100% of the number of chromium atoms. Further, the distribution of nitrogen atoms in the first metal film is larger in a third region sandwiched between a first region on the base material side of the first metal film and a second region on the second metal film side than in the first region and in the second region.

Abstract: Provided is a device for detecting a low-pressure state of a predetermined tire, comprising an index value calculation unit, a resonance frequency calculation unit and a low-pressure detection unit. The index value calculation unit calculates a low-pressure index value from wheel speed information of front and rear tires, the low-pressure index value being obtained by comparing rotation speeds of the front and rear tires. The resonance frequency calculation unit calculates a resonance frequency from wheel speed information of a tire. The low-pressure detection unit eliminates an influence of an imposed load on a vehicle and detects the low-pressure state of the predetermined tire based on: a predetermined parameter that indicates a linear relationship between the resonance frequency and the low-pressure index value under a low-pressure condition of the predetermined tire; the low-pressure index value thus calculated; and the resonance frequency thus calculated.

Abstract: A tire pressure decreased detection apparatus comprising rotation speed information detection means, rotation acceleration information calculation means, resonance frequency estimate means for time-series estimating a torsional resonance frequency of the rotation speed information, correlation calculation means for, regarding left and right wheels of driving wheels, calculating a time series correlation of the rotation acceleration information of the left and right wheels, and determination means for determining a decrease in pressure of the tires based on the estimated torsional resonance frequency. In a case where the correlation exceeds a predetermined threshold value, the resonance frequency estimate means stops estimating the torsional resonance frequency.

Abstract: A tire pressure decrease detection apparatus comprising: rotation speed information detection means, rotation acceleration information calculation means, resonance frequency estimate means for time-series estimating a torsional resonance frequency of the rotation speed information, correlation calculation means for, regarding front and rear right wheels and front and rear left wheels, respectively calculating time series correlations of the rotation acceleration information, and judgment means for judging a decrease in pressure of the tires based on the estimated torsional resonance frequency. In a case where the correlations exceed predetermined threshold values, the resonance frequency estimate means takes that a periodic noise from a road surface is generated in the vicinity of the torsional resonance frequency and stops estimating the torsional resonance frequency of the front and rear wheels of the side exceeding the threshold value.

Abstract: Provided is a device for detecting a low-pressure state of a predetermined tire, comprising an index value calculation unit, a resonance frequency calculation unit and a low-pressure detection unit. The index value calculation unit calculates a low-pressure index value from wheel speed information of front and rear tires, the low-pressure index value being obtained by comparing rotation speeds of the front and rear tires. The resonance frequency calculation unit calculates a resonance frequency from wheel speed information of a tire. The low-pressure detection unit eliminates an influence of an imposed load on a vehicle and detects the low-pressure state of the predetermined tire based on: a predetermined parameter that indicates a linear relationship between the resonance frequency and the low-pressure index value under a low-pressure condition of the predetermined tire; the low-pressure index value thus calculated; and the resonance frequency thus calculated.

Abstract: An electronic device includes a base material, a first metal film disposed on the base material and containing nitrogen and chromium, and a second metal film disposed on the first metal film and containing gold. In the first metal film, the number of nitrogen atoms may be between 20% to 100% of the number of chromium atoms. Further, the distribution of nitrogen atoms in the first metal film is larger in a third region sandwiched between a first region on the base material side of the first metal film and a second region on the second metal film side than in the first region and in the second region.

Abstract: An absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet. The top sheet exhibits a color difference in a range of 37-80, based on the L*a*b* color system and measured from a skin contact surface of the top sheet in a liquid dropping test. Further, the top sheet has a color-reducing agent having an IOB of 0.00-0.35, a melting point of no higher than 45° C. and a water solubility of 0.00-0.05 g in 100 g of water at 25° C. The absorbent article is configured to allow a user to visually confirm reduction in residue of highly viscous menstrual blood on the top sheet after its absorption, thereby providing reassurance to the user.

Abstract: A tire pressure decrease detection apparatus comprising: rotation speed information detection means, rotation acceleration information calculation means, resonance frequency estimate means for time-series estimating a torsional resonance frequency of the rotation speed information, correlation calculation means for, regarding front and rear right wheels and front and rear left wheels, respectively calculating time series correlations of the rotation acceleration information, and judgment means for judging a decrease in pressure of the tires based on the estimated torsional resonance frequency. In a case where the correlations exceed predetermined threshold values, the resonance frequency estimate means takes that a periodic noise from a road surface is generated in the vicinity of the torsional resonance frequency and stops estimating the torsional resonance frequency of the front and rear wheels of the side exceeding the threshold value.

Abstract: A tire pressure decrease detection apparatus comprising: rotation speed information detection means, rotation acceleration information calculation means, resonance frequency estimate means for time-series estimating a torsional resonance frequency of the rotation speed information, correlation calculation means for, regarding front and rear right wheels and front and rear left wheels, respectively calculating time series correlations of the rotation acceleration information, and judgment means for judging a decrease in pressure of the tires based on the estimated torsional resonance frequency. In a case where the correlations exceed predetermined threshold values, the resonance frequency estimate means takes that a periodic noise from a road surface is generated in the vicinity of the torsional resonance frequency and stops estimating the torsional resonance frequency of the front and rear wheels of the side exceeding the threshold value.

Abstract: An object of the present disclosure is to provide an absorbent article without a sticky feel on the top sheet and with a smooth top sheet, even after highly viscous menstrual blood has been absorbed. The absorbent article of the present disclosure is as follows. An absorbent article comprising a liquid-permeable top sheet, a liquid-impermeable back sheet and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet, wherein the liquid-permeable top sheet comprises a blood modifying agent with an IOB of 0.00-0.60, a melting point of no higher than 45° C., a water solubility of 0.00-0.05 g in 100 g of water at 25° C., and a weight-average molecular weight of no greater than 1,000.

Abstract: The liquid ejecting head includes a nozzle plate in which nozzle holes which are through holes are formed, and ejects liquid from the nozzle holes. The nozzle hole has a first nozzle portion which is opened to an ejection surface to which liquid is ejected from nozzles of the nozzle plate, and a second nozzle portion which communicates with the first nozzle portion, and is opened to a surface opposite to the ejection surface of the nozzle plate, and of which the opening diameter is larger than the opening diameter in the ejection surface of the first nozzle portion. The first nozzle portion is covered with a liquid repellent film which has higher liquid repellency than a base material of the nozzle plate and an inner wall of the second nozzle portion is provided with a region which has lower liquid repellency than the liquid repellent film.

Abstract: A tire pressure decrease detection apparatus comprising: rotation speed information detection means, rotation acceleration information calculation means, resonance frequency estimate means for time-series estimating a torsional resonance frequency of the rotation speed information, correlation calculation means for, regarding front and rear right wheels and front and rear left wheels, respectively calculating time series correlations of the rotation acceleration information, and judgment means for judging a decrease in pressure of the tires based on the estimated torsional resonance frequency. In a case where the correlations exceed predetermined threshold values, the resonance frequency estimate means takes that a periodic noise from a road surface is generated in the vicinity of the torsional resonance frequency and stops estimating the torsional resonance frequency of the front and rear wheels of the side exceeding the threshold value.

Abstract: An object of the disclosure is to provide an absorbent article that allows the user to visually confirm reduction in residue of highly viscous menstrual blood on the top sheet after its absorption, thereby providing reassurance to the user. The absorbent article of the disclosure is as follows. An absorbent article comprising a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet, wherein the top sheet exhibits a color difference in the range of 37-80, based on the L*a*b* color system and measured from a skin contact surface of the top sheet in a liquid dropping test.

Abstract: A tire pressure decreased detection apparatus comprising rotation speed information detection means, rotation acceleration information calculation means, resonance frequency estimate means for time-series estimating a torsional resonance frequency of the rotation speed information, correlation calculation means for, regarding left and right wheels of driving wheels, calculating a time series correlation of the rotation acceleration information of the left and right wheels, and determination means for determining a decrease in pressure of the tires based on the estimated torsional resonance frequency. In a case where the correlation exceeds a predetermined threshold value, the resonance frequency estimate means stops estimating the torsional resonance frequency.