摘要:
In process for manufacturing shadow mask of Braun tube for color TV comprising steps of subjecting strip of low carbon steel to cold rolling finish, forming holes in the rolled material, cutting it into individual flat masks, annealing each mask at elevated temperatures, conditioning the annealed mask and press-forming the mask into desired shape, the improvement residing in controlling the finish cold rolling reduction within the range between 10 and 35%, whereby the annealing temperature is reduced to 520.degree. to 750.degree. C. The process is applicable to steel strip material containing up to 0.10% by weight of carbon.
摘要:
Low carbon steel strip is cold rolled with rolling reduction of 15 to 35% in final cold rolling step and annealed in form of tight coil at temperature of 520 to 600.degree. C. to provide product having grain size number of 4 to 7 and coercive force of not greater than 2.0 Oersted as measured with initial magnetization field of 25 Oersted. The product is especially suitable for manufacturing shadow mask of Braun tube for color TV.
摘要:
Method for overaging hot dip metal coated steel material to improve formability, comprising rapidly heating the material to a temperature of above 300.degree. C. but below that at which the coating is undesirably denatured at heating rate of at least 50.degree. C./sec., followed by controlled slow cooling of cooling rate of not more than 20.degree. C./sec. Total processing time required can be one or two minutes, thus the method can be continuously carried out.
摘要:
The object of the present invention is to provide a method and a process for producing 2-O-α-glucopyranosyl-L-ascorbic acid where 5-O-α-glucopyranosyl-L-ascorbic acid and 6-O-α-glucopyranosyl-L-ascorbic acid are not formed or formed in such a small amount that the formation of these can nor be detected. The present invention solves the above object by providing a process for producing 2-O-α-glucopyranosyl-L-ascorbic acid comprising the steps of allowing α-isomaltosyl glucosaccharide-forming enzyme together with or without cyclomaltodextrin glucanotransferase (EC 2.4.1.19) to act on a solution comprising L-ascorbic acid and, an α-glucosyl saccharide to form 2-O-α-glucopyranosyl-L-ascorbic acid and collecting the formed 2-O-α-glucopyranosyl-L-ascorbic acid.
摘要:
A gas leak detecting system for a gas cooler includes, a gas cooler (1) for cooling a gas, which is supplied to and discharged from the interior of a cooler water chamber (2) via piping, with a coolant supplied to and discharged from the interior of the cooler water chamber; an automatic exhaust valve (12) for automatically discharging the gas, which has leaked into the cooler water chamber, to the outside; a gas leak detecting vessel (8) for accumulating a leakage gas discharged from the automatic exhaust valve; and a gas detecting device (13) for detecting the leakage gas within the gas leak detecting vessel.
摘要:
The present invention has an object to provide an ophthalmic pharmaceutical composition, particularly, an ophthalmic solution, ophthalmic ointment, ophthalmic wash, intraocular infusion solution, wash for anterior chamber, internal medicine, injection, or preservative for extracted cornea, which has improved therapeutic and/or prophylactic effects on the swelling, edema and walleye/cloudiness in the lens and/or the cornea induced by ophthalmic diseases including cataract and which is safe and successively used for a relatively long period of time. The present invention solves the above object by providing an ophthalmic pharmaceutical composition incorporated with a saccharide having a basic structure consisting of four glucose molecules bound together in a cyclic manner via a specific binding fashion.
摘要:
An object of the present invention is to provide a lactosucrose high content saccharide which comprises 70% or more of lactosucrose, on a saccharide composition basis, with a lower content of 1-kestose and fructosyl lactosucrose as by-products. Another object of the present invention is to provide processes for producing a lactosucrose high content saccharide and high purity lactosucrose containing 90% or more of lactosucrose, on a saccharide composition basis, which are feasible for industrial production. Further object of the present invention is to provide a solid lactosucrose with low hygroscopicity and a solid composition comprising the same. The present invention solves above objects by providing a lactosucrose high content saccharide comprising 70% or more of lactosucrose and less than 3% of the total amount of 1-kestose and fructosyl lactosucrose, on a saccharide composition basis; a process for producing the lactosucrose high content saccharide, comprising the steps of allowing β-fructofuranosidase, derived from a microorganism belonging to the genus Bacillus, and sucrose-unassimilable yeast to contact with an aqueous solution containing sucrose and lactose to obtain a reaction mixture comprising 70% or more of lactosucrose and less than 3% of the total amount of 1-kestose and fructosyl lactosucrose and collecting the resulting lactosucrose high content saccharide; a process for producing a high purity lactosucrose, comprising the steps of subjecting the lactosucrose high content saccharide to a chromatography using a resin and collecting fractions containing 90% or more of lactosucrose, on a saccharide composition basis; a process for producing crystalline lactosucrose; and various solid compositions prepared by incorporating the crystalline lactosucrose.
摘要:
The object of the present invention is to provide an α-isomaltosylglucosaccharide-forming enzyme, process of the same, cyclotetrasaccharide, and saccharide composition comprising the saccharide which are obtainable by using the enzyme; and is solved by establishing an α-isomaltosylglucosaccharide-forming enzyme which forms a saccharide, having a glucose polymerization degree of at least three and having both the α-1,6 glucosidic linkage as a linkage at the non-reducing end and the α-1,4 glucosidic linkage other than the linkage at the non-reducing end, by catalyzing the α-glucosyl-transfer from a saccharide having a glucose polymerization degree of at least two and having the α-1,4 glucosidic linkage as a linkage at the non-reducing end without substantially increasing the reducing power; α-isomaltosyl-transferring method using the enzyme; method for forming α-isomaltosylglucosaccharide; process for producing a cyclotetrasaccharide having the structure of cyclo{66)-α-D-glucopyranosyl-(163)-α-D-glucopyranosyl-(166)-α-D-glucopyranosyl-(163)-α-D-glucopyranosyl-(16} using both the α-isomaltosylglucosaccharide-forming enzyme and the α-isomaltosyl-transferring enzyme; and the uses of the saccharides obtainable therewith.
摘要:
An object of the present invention is to provide novel methods for forming glucosyl-transferred polyalcohols, glucosyl-transferred glucuronic acid, and glucosyl-transferred derivatives of glucose whose C-6 hydroxyl group bound to a saccharide by using an enzymatic reaction. The present invention solves the above object by providing a method for transferring a glucosyl residue to polyalcohols, glucuronic acid and/or derivatives of glucose whose C-6 hydroxyl group bound to a saccharide, comprising a step of: allowing a trehalose phosphorylase to act on a saccharide containing glucose as a component sugar and one or more polyalcohols selected from the group consisting of inositol, ribitol, erythritol, and glycerol; glucuronic acid and/or a salt thereof; and/or one or more derivatives of glucose whose C-6 hydroxyl group bound to a saccharide selected from the group consisting of isomaltose, gentiobiose, melibiose, isomaltotriose, and isopanose.
摘要:
The object of the present invention is to provide an α-isomaltosyl-transferring enzyme which forms a cyclotetrasaccharide having the structure of cyclo{→6)-α-D-glucopyranosyl-(1→3)-α-D-glucopyranosyl-(1→6)-α-D-glucopyranosyl-(1→3)-α-D-glucopyranosyl-(1→} from a saccharide having a glucose polymerization degree of at least three and having both the α-1,6 glucosidic linkage as a linkage at the non-reducing end and the α-1,4 glucosidic linkage other than the linkage at the non-reducing end; microorganisms which produce the enzyme; process for producing the enzyme; cyclotetrasaccharide or saccharide compositions comprising the same; and uses thereof.