摘要:
PROBLEM TO BE SOLVED: To provide a food-derived circadian rhythm regulator which is secure and safe even when it is taken for a long time.SOLUTION: A circadian rhythm regulator containing an alkylresorcinol represented by formula (I) as an effective component and a circadian rhythm regulator that contains, as an effective component, an alkylresorcinol-containing extract extracted from cereal or nuts containing the alkylresorcinol represented by formula (I) are provided. In formula (I), Ris a saturated or unsaturated alkyl group and R2 is a hydrogen atom or a methyl group. Further, in formula (I), Rand Rare preferably bonded in a para position and Ris preferably a 15-27C saturated or unsaturated alkyl group.
摘要:
PROBLEM TO BE SOLVED: To provide a plate type heat exchanger which allows two-phase medium of gas and liquid to flow in at the same time, allows the liquid to evenly distribute to each channel in the heat exchanger and, meanwhile, allows the gas and liquid to efficiently flow out at the same time.SOLUTION: In a plate type heat exchanger, a plurality of plates that are stacked are substantially vertically disposed, a first channel or a second channel is formed between the plates, a first medium branched from a first medium inlet and a second medium branched from a second medium inlet are respectively circulated to the first channel and the second channel and the first medium and the second medium are heat-exchanged to each other via the plates. In the plate type heat exchanger in which the first medium inlet and the second medium outlet are located on one edge part side in the horizontal direction and the first medium outlet and the second medium inlet are located on the another edge part side in the horizontal direction, a first connection part that connects a plurality of first channels to each other is disposed on a lower side of the first medium inlet.
摘要:
PROBLEM TO BE SOLVED: To provide a hydrogen absorbing/releasing alloy having excellent repetition durability between hydrogen absorbing and hydrogen releasing, and to provide a hydrogen absorbing/releasing body and a hydrogen sensor.SOLUTION: A hydrogen absorbing/releasing alloy includes yttrium and magnesium, wherein the atomic ratio of yttrium to magnesium satisfies a relation of 0.25≤Y/Mg≤3.0. A hydrogen absorbing/releasing body and a hydrogen sensor are also provided.
摘要:
PROBLEM TO BE SOLVED: To enable removal of PM deposited in a DPF, when clogging of the filter (DPF) is detected, even when bio diesel fuel (BDF) is adopted as diesel fuel.SOLUTION: A filter regenerating method includes a filter 17 arranged in an exhaust passage 7 and collecting particulate matter (PM) included in exhaust gas after burning BDF 29, and an oxidation catalyst 16 arranged on the upstream side of the filter 17, and when clogging of the filter 17 is detected by a differential pressure sensor 20, light oil 31 having a boiling point lower than the BDF 29 is injected into the vicinity of an exhaust manifold collecting part just after an exhaust valve, and is supplied to the oxidation catalyst 16, exhaust temperature is raised by reaction heat at that time, and the PM deposited in the DPF 17 is burnt and removed.
摘要:
PROBLEM TO BE SOLVED: To provide a casting mold having high collapsibility after being used even without using special equipment, and a method for manufacturing the casting mold.SOLUTION: A casting mold contains casting sand, sodium silicate, and a silica-based porous material. The casting mold preferably contains a binder containing the sodium silicate and the silica-based porous material. One or more can be selected from the group consisting of silica gel, mesoporous silica, and macro porous silica as the silica-based porous material. The casting mold preferably contains 0.5-2 pts.wt. of the silica-based porous material based on 100 pts.wt. of the casting sand. A method for manufacturing the casting mold described in any one of claims 1-4 includes forming a mixture of the casting sand, the sodium silicate and the silica-based porous material into a predetermined shape, and hardening the mixture with gas containing carbon dioxide.
摘要:
PROBLEM TO BE SOLVED: To provide a compound useful as an intermediate compound for a chemical industry product, a medicinal product or the like, and as a ligand of a metal complex or the like, and to provide a method for synthesizing them.SOLUTION: There are provided 6,6'-diamino-2,2'-bipyridine-4,4'-dicarboxylic acid represented by general formula (I), which is a new 2,2'-bipyridine compound, a diester thereof, and a method for synthesizing them (wherein R is a hydrogen atom, a 1-10C alkyl group optionally having a substituent, or an aryl group optionally having a substituent).
摘要:
PROBLEM TO BE SOLVED: To reduce the cost of a metal recovering technique with which a metal is recovered from a circuit board by using the external heat-type rotary-kiln while preventing a generation of hydrogen promide and tar.SOLUTION: A metal recovering apparatus is provided with an external heat-type rotary kiln body 10. The rotary kiln body 10 is provided with a body part 11 and a cylindrical supplying pipe 13 and an exhausting pipe 14. A crushed circuit board from the supplying pipe 13 and a trial agent for neutralizing the hydrogen promide from a trial agent pipe 61, are supplied to the body part 11. Furthermore, a plurality of conventional cylinders 15, in which screws 15C having reversly faced spiral surfaces, are provided and the conventional force is provided with the rotation of the rotary-kiln body 10, are provided, and thus, the raw material is circulated for sufficient time among a first space X and a second space Y, and disolved into hydrocarbon having a lower weight than the tar.
摘要:
PROBLEM TO BE SOLVED: To provide a shape of a kinetic pressure groove of a highly precise radial kinetic pressure bearing, which is used as a kinetic pressure groove of a radial kinetic pressure bearing of a centrifugal blood pump and used as an alternative to an existing spiral groove, can be easily machined or stamped in injection molding, and is manufactured while saving a manufacturing cost and time.SOLUTION: A centrifugal blood pump includes a casing equipped with an inflow port and an outflow port, and a vaned wheel for sending a liquid from the inflow port to the outflow port by rotation in the casing. In the pump, a kinetic pressure groove which is a radial kinetic pressure bearing for generating a kinetic pressure between the static shaft of the inner cylinder of the casing and the inner circumference of the rotating vane has a multirobe shape of the rotating surface shape, and the shaft direction shape is such that the groove portion is parallel to the rotating shaft.
摘要:
PROBLEM TO BE SOLVED: To provide an unconventionally safe polyvinyl alcohol crosslinking agent that can be operated at normal temperature and to provide a solvent-impregnated adsorbing material using the same.SOLUTION: A solvent-impregnated adsorbing material which is a PVA coating solvent-impregnated adsorbing material contacted with an aqueous solution containing impurities and adsorbs and separates the impurities in the aqueous solution consists of a solvent-impregnated adsorbing material impregnated with the impurities and a hydrophobic extraction reagent having affinity and polyvinyl alcohol covering the solvent-impregnated adsorbing material, wherein the polyvinyl alcohol is crosslinked by genipin.
摘要:
PROBLEM TO BE SOLVED: To provide a low-molecular weight gelling agent that contains in the molecule a Schiff base that responds to pH, a metal ion or a molecule having a specific functional group and can change gelling performance or a structure of gel.SOLUTION: A low-molecular weight gelling agent includes as an effective ingredient a Schiff base derivative represented by general formula (1): A-B-C [wherein A is a structure represented by formula (2); B is a 12-20C hydrocarbon optionally bearing an unsaturated bond; and C is a structure represented by formula (2) or a hydrogen atom].