Abstract: An object of the present invention is to provide a deterioration-odor masking agent and a deterioration-odor masking method capable of effectively masking deterioration odor of dairy products. The object is attained by a masking agent comprising one or more members selected from the group consisting of menthyl acetate, linalyl acetate, isoamyl isovalerate, isoamyl butyrate, nerol, acetaldehyde, methyl salicylate, 1,8-cineole, maltol isobutyrate, ethyl pyruvate, heliotropine, diethyl malonate, ?-butyrolactone, ethyl levulinate, benzyl alcohol, hexanal, ?-hexalactone, ethyl propionate, and amyl acetate.

Abstract: A regenerative refrigerating apparatus which can increase the speed of cooling and heating a subject to be cooled. The specific constitution of the regenerating type refrigerating apparatus includes a pressure control means 4 having a compressor 4a, a high pressure selector valve 4b, and a low pressure selector valve 4c, an expanding/compressing unit 1 having a room temperature end 1a and a low temperature end 1b, and a regenerating unit 2 having a room temperature end 2a and a low temperature end 2b, carries out heat transfer to a subject to be cooled, and is comprised of a flow path for working gas connecting the low temperature end 1b of the expanding/compressing unit and the low temperature end 2b of the regenerating unit with each other, and simultaneously extending to the subject to be cooled 7.

Abstract: A regenerative refrigerating apparatus which can increase the speed of cooling and heating a subject to be cooled. The specific constitution of the regenerating type refrigerating apparatus includes a pressure control means 4 having a compressor 4a, a high pressure selector valve 4b, and a low pressure selector valve 4c, an expanding/compressing unit 1 having a room temperature end 1a and a low temperature end 1b, and a regenerating unit 2 having a room temperature end 2a and a low temperature end 2b, carries out heat transfer to a subject to be cooled, and is comprised of a flow path for working gas connecting the low temperature end 1b of the expanding/compressing unit and the low temperature end 2b of the regenerating unit with each other, and simultaneously extending to the subject to be cooled 7.

Abstract: An extendable and heat shrinkable polyamide monofilament which has an extension of 6% or more to a loading variation in the range of 1.25 g/d-1.75 g/d and a heat shrinkage factor of 7% or more on immersing said monofilament into boiling water. The recited polyamide monofilament is woven into a wear-resistant fabric such as a papermaking fabric.

Abstract: In a single-layer paper making woven fabric of more than five shafts, auxiliary wefts each having a smaller diameter than that of the primary wefts are disposed between each of the primary wefts. Each of the auxiliary wefts is woven twice into a repeating unit of a texture by a warp. Each auxiliary weft is placed over at least two other warps extending above two adjacent primary wefts. The auxiliary wefts are pushed or urged upwardly thereof by these at least two other warps in order to form a flat paper making surface of the fabric, whereby wire marks on a paper are reduced.

Abstract: A novel extendable and heat shrinkable polyester monofilament suitable for producing an endless fabric which deforms plastically in the loading range of 0.5 g/d-2.5 g/d and has an extension at the yield point in the range of 1-10%.

Abstract: A weft-water type n-shaft papermakers' fabric has a running side surface and a papermaking side surface, in which n is an integer of at least 6. The fabric has warps and wefts forming the running side surface, the wefts consisting of both short crimp-forming wefts, which cross two or more warps, and long crimp-forming wefts which have a length more than 1.5 times the length of the short crimp. The improvement in crimpiness permits the use of large wefts having a large diameter. The arrangement of the running side surface does not affect the papermaking side surface of a double layer, triple layer or other multilayer weave.

Abstract: A papermakers' double layer type fabric comprises in one repeat a warp layer consisting of n (an integer of at least 7).times.2 of warps, and n (an integer of at least 7).times.2 of wefts arranged on the warp layer as the upper surface wefts and n (an integer of at least 7).times.2 of wefts arranged under the warp layer as the lower surface wefts. The lower surface wefts consist of polyester yarns and polyamide yarns, the lower surface polyamide wefts being each interlaced once in one repeat with a warp and the lower surface polyester wefts being each interlaced once or twice in one repeat with a warp.

Abstract: In a single-layer papermaking woven fabric or more than three shafts having an extended running surface formed from long crimped primary wefts, auxiliary wefts each having a smaller diameter than that of primary wefts are each disposed between each of primary wefts. Every auxiliary weft is placed on warps at portions extended from the paper side of where warps are primary weft to the running said of the succeeding primary weft or at portions where warps are extended from the running side of a primary weft to the paper side of the succeeding primary weft. Each of said auxiliary wefts is woven into texture of the fabric at least once in a repeating unit by a warp to thereby complete the repeating unit.

Abstract: In a single-layer papermaking woven fabric of more than four shafts, auxiliary wefts each having a smaller diameter than that of the primary wefts are disposed between each of the primary wefts. Each of the auxiliary wefts is woven once into a repeating unit of a texture by a warp. Each auxiliary weft is placed by at least two other warps extending above two adjacent primary wefts. The auxiliary wefts are pushed or urged upwardly thereof by these at least two other warps in order to form a flat papermaking surface of the fabric, whereby wire marks on a paper are reduced.