38results about How to "Prevent oxidation deterioration" patented technology

The aim of the invention is to provide an underwater thawing and freezing device using complex wave motions, being a freezing and thawing device used from restaurant to family, capable of processing much fresh food by one device. The underwater thawing and freezing device includes: a thawing and freezing tank for containing therein ethyl alcohol water as a thawing and freezing liquid; a plurality of wave motion piezoelectric vibration elements for generating wave motions in the thawing and freezing tank; a temperature control unit for controlling a temperature of the ethyl alcohol water at a predetermined temperature, the temperature control unit having a temperature sensor for detecting the temperature of the ethyl alcohol water; and a control unit for controlling the wave motion piezoelectric vibration elements. The plurality of wave motion piezoelectric vibration elements generate wave motions at a plurality of different frequencies. The wave motions travel at an angle of an about 10 degrees inclined from a vertical line from a surface of the thawing and freezing tank, on which the respective wave motion piezoelectric vibration elements are provided.

Provided is a method for shutting down an indirect internal reforming SOFC, in which a hydrocarbon-based fuel is reliably reformed, and the oxidative degradation of the anode can be prevented by a reformed gas. A method for shutting down an indirect internal reforming SOFC including a reformer; an SOFC; a combustion region for combusting the anode off-gas of the SOFC; and an enclosure for housing the reformer, the SOFC, and the combustion region, wherein the method includes causing the flow rate of a fuel supplied to the reformer to become FE from FS; and stopping the supply of the fuel to the reformer when an anode temperature becomes lower than the oxidative degradation temperature, where FE represents a flow rate of the fuel supplied to the reformer in a state in which the anode temperature is steady and lower than the oxidative degradation temperature, in which in the reformer the fuel is reformed and a reformed gas with a composition suitable to be supplied to an anode is produced, and in which an amount of the reformed gas produced is equal to or more than the requisite minimum flow rate for preventing the oxidative degradation of the anode when the anode temperature is a temperature equal to or higher than the oxidative degradation temperature, and FS represents a flow rate of the fuel supplied to the reformer at the start of the shutdown method. Also provided is an indirect internal reforming SOFC appropriate for this method.

A condensate demineralization method for a condensate treatment of a nuclear power generation plant, including: passing condensate at a linear flow rate ranging from 20 m / h to 200 m / h through a condensate demineralization apparatus (6) comprising an ion exchange resin layer filled therein wherein the ion exchange resin layer includes a mixed bed of a strongly acidic cation resin and a strongly basic anion resin and a metal doped resin in a volume ratio ranging from 2% to 50% relative to the mixed bed.

Provided is a packaging film that is capable of suppressing the leaching of additives such as antioxidants from a package-contents-contacting inner layer, has superior transparency and mechanical strength, has a level of oxygen permeability low enough to prevent the permeation of ambient oxygen, and can be rapidly manufactured. The packaging film 1 comprises a package-contents-contacting inner layer 10, a first adhesive layer 20, a gas barrier layer 30, a second adhesive layer 40, and an outer layer 50 layered in that order. The inner layer 10 contains more than 40 mass% and no more than 90 mass% linear low-density polyethylene, as well as low-density polyethylene and / or high-density polyethylene; does not contain any leachable components; and has a density and thickness of at least 0.920 g / cm<3> and 50 [mu]m, respectively. The first adhesive layer 20 and the second adhesive layer 40 contain antioxidants 21, 41. The thicknesses of the first adhesive layer 20, the gas barrier layer 30, and the second adhesive layer 40 are less than 30 [mu]m.

The present invention relates to a high-durability temperature swing adsorption carbon dioxide recovery and concentration device. In the honeycomb rotor recovery and concentration device for recovering carbon dioxide gas from flue gas, etc., the recovery is performed at a high recovery rate and the concentration is as high as possible. It can be miniaturized, can utilize low-temperature waste heat below 100°C, and can reduce the energy used for recovery and concentration. The honeycomb rotor carrying the adsorption material (solid amine, etc.) particles having the adsorption capacity of carbon dioxide gas is rotated in the casing that is at least divided into the adsorption area and the desorption area, and the honeycomb in the adsorption area is wetted, and the carbon dioxide containing The raw material is in contact with the raw material, while evaporating the cooling water, absorbing carbon dioxide gas, and moving the honeycomb with carbon dioxide gas to the desorption area by rotating, and desorbing high-concentration carbon dioxide gas by contacting with low-pressure steam, so as to achieve high recovery rate and high Concentration of carbon dioxide gas is recovered continuously.

The present invention provides: a production method that is for a glyceryl ether-containing composition and that comprises a deodorization step for bringing a glyceryl ether-containing product selected from monohexyl glyceryl ether-containing products, monocyclohexyl glyceryl ether-containing products, and mixtures thereof into contact with water vapor in an environment having a reduced pressure of 0.10-10 kPa for 60-600 minutes, and an addition step for adding 0.05-0.30 parts by mass of an antioxidant containing d-alpha-tocopherol to 100 parts by mass of the glyceryl ether-containing product; and a glyceryl ether-containing composition having specific amounts of a specific glyceryl ether and an antioxidant containing d-alpha-tocopherol.

This invention provides a method for starting a fuel cell system which can reliably conduct reforming from an early stage and can more reliably prevent an oxidative deterioration in anode, and a fuel cell system suitable for the method. The method is a method for starting a fuel cell system comprising a reformer comprising a reforming catalyst layer for reforming a hydrocarbon fuel to produce a hydrogen-containing gas, and a high temperature-type fuel cell for generating electric power using a hydrogen-containing gas. The method comprises a) the step of raising the temperature of the reforming catalyst layer while measuring the temperature of the reforming catalyst layer, b) the step of calculating the flow rate of a hydrocarbon fuel which can be reformed in the reforming catalyst layer based on the measured temperature of the reforming catalyst layer, and c) the step of supplying the hydrocarbon fuel at the calculated flow rate into the reforming catalyst layer to reform the fuel, and supplying the resultant reformed gas into an anode of a high temperature-type fuel cell. The amount of the hydrocarbon fuel supplied into the reforming catalyst layer is increased while repeating step b) and step c) until the amount of the hydrocarbon fuel supplied into the reforming catalyst layer reaches the flow rate at the time of the completion of the start.

The invention relates to a method for preservation and freshness-keeping of processing rejected materials of shrimps. Processing rejected materials of shrimps and proper amount of acidity regulators water solution with concentration of 3-10 percent are mixed well to reduce the pH value of the processing rejected materials of shrimps to be 3.0-3.5; and then oil-soluble oxidation inhibitor is added,and the mixture is airtightly stored at the temperature of 0-10 DEG C; wherein the acidity regulators are the mixtures of one, or two or more than two of the hydrochloric acid, sulfuric acid, phosphoric acid, acetic acid, methanoic acid, lactic acid, propionic acid or citric acid; the oxidation inhibitor is the mixture of one, or two or more than two of the oil-soluble oxidation inhibitor-BHA, BHT, TBHQ or rosemary; and the use amount of the processing rejected materials of shrimps and the oil-soluble oxidation inhibitor are respectively 10000 by weight part and 2-5 by weight part. The methodcan preserve the processing rejected materials of shrimps for 3 months at the temperature of 0-10 DEG C.

A method of manufacturing a semiconductor device, comprising: a preparatory process of putting a laminated body including at least one member to be joined and a solder material into a decompression furnace; a decompression process of vacuum exhausting the decompression furnace; heat ray type In the heating process, the inside of the decompression furnace is set to a low-pressure hydrogen atmosphere, and the metal wire installed outside the decompression furnace with an openable and closable partition wall between the decompression furnace is heated, or the metal wire connected to the conveying table and the cooling plate is heated. And the metal wire installed in the decompression furnace through the partition wall that can be opened and closed between the hot plates is heated to generate atomic hydrogen; The next wall isolates the metal wire from the atmosphere in the decompression furnace; the heating step is to set the decompression furnace as a positive pressure hydrogen atmosphere and heat it to the bonding temperature to melt the solder material; and the bubble removal process is to maintain the bonding temperature In this state, the inside of the decompression furnace was set to a vacuum atmosphere again to remove air bubbles in the solder melt.

The present invention provides a refrigerator which realizes increase of food storing space and cost reduction, and can prevent oxidation deterioration of nutrition components in the food stored in a decompression storing chamber. The refrigerator is provided with an anti-oxidation component release box (80) with antioxidant at the inner part at the storing chamber formed in the refrigerator. Theanti-oxidation component release box (80) is configured to the inner part of the decompression storing chamber (24) which is closed and depressurized to a pressure state lower than the atmosphere in food storing. The antioxidant which releases the anti-oxidation component for a large amount in the pressure state lower than the atmosphere state is used.

The provision of an oxygen-absorbing multilayer body that has the following: an oxygen-absorption layer that contains an oxygen-absorbing composition; and a thermoplastic-resin layer that contains a thermoplastic resin (b). The oxygen-absorbing composition contains at least one tetralin-containing compound that can be represented by general formula (1), a transition-metal catalyst, and a thermoplastic resin (a).