Abstract: An optical cable includes: twisted optical fiber units each including a fiber group formed by optical fibers. At least one of the optical fiber units includes a filling that wraps an outer circumference of the fiber group.

Abstract: The present invention discloses a composition of an albumin-free, serum-free medium suited for culturing human hematopoietic stem cells and an albumin-free culturing method. According to the present invention, a method of culturing human hematopoietic stem cells is provided which comprises bringing human hematopoietic stem cells into contact with PVA and a PI3K activator.

Abstract: A hard film for coating a surface of a base material, the hard film includes a layer A, a layer B, and a nanolayer-alternating layer. The layer A is an AlTiCr nitride of (AlaTibCrc?d)N, where ? is one or more elements selected from C, B, Si, V, Y, Zr, Nb, Mo, Hf, Ta, and W. The layer B is an AlTiCr nitride or AlTiCr carbonitride of (AleTifCrg?h)CxN1-X, where ? is one or more elements selected from B, Si, V, Y, Zr, Nb, Mo, Hf, Ta, and W. The nanolayer-alternating layer is formed by alternately laminating a nanolayer A or a nanolayer B having the same composition as the layer A or B. And, the layer C is an AlCr(SiC) nitride or AlCr(SiC) carbonitride of [AliCrj(SiC)k?l]CYN1-Y, where ? is one or more elements selected from B, Ti, V, Y, Zr, Nb, Mo, Hf, Ta, and W.

Abstract: An operational data storage device mounted on an hydraulic excavator is programmed to store operational data including stroke data and movement quantity data. The stroke data represent input operations by the operator of the hydraulic excavator through electric operating levers, and the movement quantity data represent movement quantities of operating members for a front working device equipped with the hydraulic excavator, the operating member being operated according to the input operations. The operational data storage device stores, in an initial state, the operational data in the volatile storage section, generates a save and exit signal if a posture parameter detected at a posture detection sensor included in the hydraulic excavator exceeds a predetermined posture threshold, and responsive to the save and exit signal, switches a write destination of the operational data from the volatile storage section to the non-volatile storage section.

Abstract: A hard coating, which is to disposed to cover a surface of a tool substrate, has a total thickness of 0.5-20 ?m and includes an A layer and nanolayer-alternated layer that are alternately laminated by physical vapor deposition. The nanolayer-alternated layer includes a B layer and C layer that are alternately laminated. The A layer has a thickness of 50-1000 nm and is AlCr(SiC) nitride that is represented by a composition formula of [Al1-W-XCrW(SiC)X]N wherein an atomic ratio W is 0.20-0.80 and an atomic ratio X is 0.01-0.20. The B layer has a thickness of 1-100 nm and is TiAl nitride that is represented by a composition formula of [Ti1-YAlY]N wherein an atomic ratio Y is 0.30-0.85. The C layer has a thickness of 1-100 nm and is Ti(SiC) nitride represented by a composition formula of [Ti1-Z(SiC)Z]N wherein an atomic ratio Z is 0.05-0.45. The nanolayer-alternated layer has a thickness of 50-1000 nm.

Abstract: A hard coating, which is to be disposed to cover a surface of a substrate, has a total thickness of 0.5-20 ?m, and includes an A layer and nanolayer-alternated layer that are alternately laminated by physical vapor deposition. The nanolayer-alternated layer includes a B layer and a C layer that are alternately laminated. The A layer has a thickness of 50-1000 nm and is AlCr nitride that is represented by a composition formula of [Al1-UCrU]N wherein an atomic ratio U is 0.20-0.80. The B layer has a thickness of 1-100 nm and is TiAl nitride that is represented by a composition formula of [Ti1-WAlW]N wherein an atomic ratio W is 0.30-0.85. The C layer has a thickness of 1-100 nm and is TiSi nitride that is represented by a composition formula of [Ti1-YSiY]N wherein an atomic ratio Y is 0.05-0.45. The nanolayer-alternated layer has a thickness of 50-1000 nm.

Abstract: An exhaust gas purification system for a construction machine prevents deterioration of an aqueous urea solution remaining in a conduit of an aqueous urea solution replenishing circuit after replenishment. An aqueous urea solution return circuit returns, to an aqueous urea solution tank, an excessive aqueous urea solution that has not been injected from an aqueous urea solution injection device into the exhaust gas, and is provided with a first return conduit that connects the aqueous urea solution injection device to the aqueous urea solution tank and a second return conduit that connects the aqueous urea solution injection device to a conduit of an aqueous urea solution replenishing circuit. An injection valve opening pressure of a first check valve provided in the first return conduit is set higher than an injection valve opening pressure of a second check valve provided in the second return conduit.

Abstract: A hard film for coating a surface of a base material, the hard film includes a layer A, a layer B, and a nanolayer-alternating layer. The layer A is an AlTiCr nitride of (AlaTibCrc?d)N, where ? is one or more elements selected from C, B, Si, V, Y, Zr, Nb, Mo, Hf, Ta, and W. The layer B is an AlTiCr nitride or AlTiCr carbonitride of (AleTifCrg?h)CxN1-X, where ? is one or more elements selected from B, Si, V, Y, Zr, Nb, Mo, Hf, Ta, and W. The nanolayer-alternating layer is formed by alternately laminating a nanolayer A or a nanolayer B having the same composition as the layer A or B. And, the layer C is an AlCr(SiC) nitride or AlCr(SiC) carbonitride of [AliCrj(SiC)k?1]CYN1-Y, where ? is one or more elements selected from B, Ti, V, Y, Zr, Nb, Mo, Hf, Ta, and W.

Abstract: An operational data storage device mounted on an hydraulic excavator is programmed to store operational data including stroke data and movement quantity data. The stroke data represent input operations by the operator of the hydraulic excavator through electric operating levers, and the movement quantity data represent movement quantities of operating members for a front working device equipped with the hydraulic excavator, the operating member being operated according to the input operations. The operational data storage device stores, in an initial state, the operational data in the volatile storage section, generates a save and exit signal if a posture parameter detected at a posture detection sensor included in the hydraulic excavator exceeds a predetermined posture threshold, and responsive to the save and exit signal, switches a write destination of the operational data from the volatile storage section to the non-volatile storage section.

Abstract: A hard lubrication film, with which a surface of a base material is coated, has two or more alternately laminated layers that are one or more A-layers made of (CraMobWcVdBe)1?x?yCxNy and one or more B-layers made of (CraMobWcVdBe)1?x?y?zCxNyOz. Atom ratios a, b, c, d, e=1?a?b?c?d, x+y, and y related to A-layers satisfy 0.2?a?0.7, 0.05?b?0.6, 0?c?0.3, 0?d?0.05, 0?e?0.05, 0.3?x+y?0.6, and 0?y?0.6, respectively. Atom ratios a, b, c, d, e=1?a?b?c?d, x, y, z, and x+y+z related to B-layers satisfy 0.2?a?0.7, 0.05?b?0.6, 0?c?0.3, 0?d?0.05, 0?e?0.05, 0?x?0.6, 0?y?0.6, 0<z?0.6, and 0.3?x+y+z?0.6, respectively. Each A-layer has a film thickness within a range of 2 nm or more to 1000 nm or less, each B-layer has a film thickness within a range of 2 nm or more to 500 nm or less, and wherein the hard lubrication film has a total film thickness within a range of 0.1 ?m or more to 10.0 ?m or less.

Abstract: An exhaust gas purification system for a construction machine prevents deterioration of an aqueous urea solution remaining in a conduit of an aqueous urea solution replenishing circuit after replenishment. An aqueous urea solution return circuit returns, to an aqueous urea solution tank, an excessive aqueous urea solution that has not been injected from an aqueous urea solution injection device into the exhaust gas, and is provided with a first return conduit that connects the aqueous urea solution injection device to the aqueous urea solution tank and a second return conduit that connects the aqueous urea solution injection device to a conduit of an aqueous urea solution replenishing circuit. An injection valve opening pressure of a first check valve provided in the first return conduit is set higher than an injection valve opening pressure of a second check valve provided in the second return conduit.

Abstract: A hard coating, which is to disposed to cover a surface of a tool substrate, has a total thickness of 0.5-20 ?m and includes an A layer and nanolayer-alternated layer that are alternately laminated by physical vapor deposition. The nanolayer-alternated layer includes a B layer and C layer that are alternately laminated. The A layer has a thickness of 50-1000 nm and is AlCr(SiC) nitride that is represented by a composition formula of [Al1-W-XCrW(SiC)X]N wherein an atomic ratio W is 0.20-0.80 and an atomic ratio X is 0.01-0.20. The B layer has a thickness of 1-100 nm and is TiAl nitride that is represented by a composition formula of [Ti1-YAlY]N wherein an atomic ratio Y is 0.30-0.85. The C layer has a thickness of 1-100 nm and is Ti(SiC) nitride represented by a composition formula of [Ti1-Z(SiC)Z]N wherein an atomic ratio Z is 0.05-0.45. The nanolayer-alternated layer has a thickness of 50-1000 nm.

Abstract: A hard coating, which is to be disposed to cover a surface of a substrate, has a total thickness of 0.5-20 ?m, and includes an A layer and nanolayer-alternated layer that are alternately laminated by physical vapor deposition. The nanolayer-alternated layer includes a B layer and a C layer that are alternately laminated. The A layer has a thickness of 50-1000 nm and is AlCr nitride that is represented by a composition formula of [Al1-UCrU]N wherein an atomic ratio U is 0.20-0.80. The B layer has a thickness of 1-100 nm and is TiAl nitride that is represented by a composition formula of [Ti1-WAlW]N wherein an atomic ratio W is 0.30-0.85. The C layer has a thickness of 1-100 nm and is TiSi nitride that is represented by a composition formula of [Ti1-YSiY]N wherein an atomic ratio Y is 0.05-0.45. The nanolayer-alternated layer has a thickness of 50-1000 nm.

Abstract: Provided are: a hard lubricating coating film which is hard and has wear resistance; and a hard lubricating coating film-covered tool. A hard coating film (10), which is hard and has wear resistance, and an end mill (12) can be obtained by alternately forming two or more (CraMobWcVdBe)1-x-yCxNy layers A (22) and two or more (CraMobWcVdBe)1-x-y-zCxNyOz layers B (24) by controlling the composition ratios of Cr, Mo, W, V and B and various reaction gases during the film formation, or alternatively by controlling only the various reaction gases during the film formation.

Abstract: A tool hard film that is to be disposed as coating on a surface of a tool, the tool hard film being a TiCrMoWV oxycarbide, oxynitride, or oxycarbonitride having a phase with a NaCl-type crystal structure as a main phase, the oxycarbide, oxynitride, or oxycarbonitride having fine crystals due to introduction of oxygen.

Abstract: According to one embodiment, a pressure sensor includes: a base body; a sensor section; and a processing circuit. The sensor section includes: a transducing thin film; a first strain sensing element; and a second strain sensing element. The transducing thin film has a film surface and is flexible. The processing circuit is configured to output as an output signal at least one of a first signal obtained from the first strain sensing element upon application of external pressure to the transducing thin film and a second signal obtained from the second strain sensing element upon application of the external pressure to the transducing thin film.

Abstract: A hard coating for a cutting tool being highly resistant to both wear and seizure; and a cutting tool coated with the hard coating. This hard coating is a multilayer film including two or more of the following layered in alternation: first coating layers including AgaCu1-a; and second coating layers including a nitride, oxide, carbide, carbonitride, or boride containing at least one element selected from among group IVA, VA, and VIA elements, aluminum, and silicon. Since the atomic proportion for the first coating layers is between 0.2 and 0.4, inclusive, the layering pitch of the first and second coating layers is between 0.2 and 100 nm, inclusive, and the total thickness is between 0.2 and 10.0 ?m, inclusive, the coefficient of friction and cutting resistance can be reduced by the inclusion of silver in the coating, and provide a hard coating that exhibits superb lubricity and resistance to seizure.

Abstract: A tool hard film that is to be disposed as coating on a surface of a tool, the tool hard film being a TiCrMoWV oxycarbide, oxynitride, or oxycarbonitride having a phase with a NaCl-type crystal structure as a main phase, the oxycarbide, oxynitride, or oxycarbonitride having fine crystals due to introduction of oxygen.

Abstract: According to one embodiment, a pressure sensor includes: a base body; a sensor section; and a processing circuit. The sensor section includes: a transducing thin film; a first strain sensing element; and a second strain sensing element. The transducing thin film has a film surface and is flexible. The processing circuit is configured to output as an output signal at least one of a first signal obtained from the first strain sensing element upon application of external pressure to the transducing thin film and a second signal obtained from the second strain sensing element upon application of the external pressure to the transducing thin film.

Abstract: A hard laminar coating having a first 61 m and a second film having respective different compositions and alternately laminated on a surface of a base structure, wherein the first film is a carbide, a nitride, a carboxide, a nitroxide, a carbonitride or a carbo-oxynitride of (AlaCrbBc), while the second film is TiB2, the hard laminar coating configured to include atomic ratios a, b and c in the first film satisfying a=1?b?c, 0.2?b?0.7, and 0<c?0.2, and a thickness of the first film being no less than 0.1 ?m and no more than 5.0 ?m, while a thickness of the second film being no less than 0.1 ?m and no more than 5.0 ?m, and to have a total thickness of no less than 0.2 ?m and no more than 10.0 ?m, and the hard laminar.