Abstract: The water battery device has a sterilizing unit composed of a non-noble metal body and a noble metal body that are overlapped coaxially via an interval keeping member. The sterilizing unit is disposed in a passing water or flowing water or immersed in a stored water. Then, a battery action is generated via the water at a uniform clearance space between the non-noble metal body and the noble metal body. Thereby, metal ions are dissolved in a complete ionization state from the non-noble metal body, thereby giving sterilization effect to the water. A container has a container structure that generates an electric current in the water between the non-noble metal body and the noble metal body and that maintains an oxygen concentration in the water required to continually produce the battery action water.

Abstract: The water battery device has a sterilizing unit composed of a non-noble metal body and a noble metal body that are overlapped coaxially via an interval keeping member. The sterilizing unit is disposed in a passing water or flowing water or immersed in a stored water. Then, a battery action is generated via the water at a uniform clearance space between the non-noble metal body and the noble metal body. Thereby, metal ions are dissolved in a complete ionization state from the non-noble metal body, thereby giving sterilization effect to the water. A container has a container structure that generates an electric current in the water between the non-noble metal body and the noble metal body and that maintains an oxygen concentration in the water required to continually produce the battery action water.

Abstract: According to the present invention, a polyester resin composition superior in the impact resistance, especially low-temperature impact resistance, and in the stiffness as well as in the fracture toughness can be obtained. The polyester resin composition according to the present invention is a composition which comprises, per 100 parts by weight of a polyester resin (A), 5-200 parts by weight of a graft-modified ethylene/&agr;-olefin random copolymer (B) obtained by grafting onto an ethylene/&agr;-olefin random copolymer (B-1) composed of ethylene unit and of an &agr;-olefin unit of 6-20 carbon atoms an unsaturated carboxylic acid or its derivative (B-2), wherein the grafting amount of the unsaturated carboxylic acid or its derivative (B-2) is 0.01-10% by weight and wherein the said ethylene/&agr;-olefin random copolymer (B-1) before being graft-modified has (a) a content of the &agr;-olefin unit of 6-20 carbon atoms of 6-25 mole % and (b) a melt flow rate (ASTM D 1238, 190° C., 2.16 kg load) of 0.

Abstract: The polyamide resin composition of the invention comprises 100 parts by weight of a polyamide resin (A) and from 5-200 parts by weight of a graft-modified ethylene/.alpha.-olefin random copolymer (B) which is obtained by graft-modifying an ethylene/.alpha.-olefin random copolymer of ethylene and an .alpha.-olefin of 6 to 20 carbon atoms with an unsaturated carboxylic acid or its derivative and has a graft quantity of 0.01 to 10% by weight. The graft-modified ethylene/.alpha.-olefin random copolymer (B) is a graft-modified product of an ethylene/.alpha.-olefin random copolymer having an .alpha.-olefin content of from 6 to 25% by mole and an intrinsic viscosity of from 0.5 to 5.0 dl/g measured in decalin at 135.degree. C.

Abstract: A polyamide resin composition superior in the shock resitance, especially low temperature shock resistence, in the rigidity and in the water absorption resistance, which comprises(A) 98-50 % by weight of a polyamide,(B) 1-40 % by weight of a modified ethylene/.alpha.-olefin copolymer having an MFR (190.degree. C.) of 0.05-50 g/10 min., obtained by a graft-copolymerization of 100 parts by weight of an ethylene/.alpha.-olefin copolymer (B-1) having an ethylene content of 40-93 mole % and a density of lower than 0.900 g/cm.sup.3, with, grafted thereon, 0.01-5 parts by weight of an unsaturated dicarboxylic acid or its derivative (B-2), and(C) 1-40 % by weight of at least one ethylenic copolymer selected from the group consisting of an ethylene/.alpha.-olefin copolymer (C-1) having an .alpha.-olefin content of 10 mole % or less, an Mw/Mn of 2.5 or lower and an MFR (190.degree. C.) of 0.05-50 g/10 min. and a modified ethylen/.alpha.