Abstract: Disclosed is a positive electrode active material for a nonaqueous electrolyte secondary battery containing at least a lithium-transition metal composite oxide of a spinel structure, in which at least one kind of element which may become tetravalent exists on at least a surface of the lithium-transition metal composite oxide, and concentration of the element which may become tetravalent on the surface of the lithium-transition metal composite oxide is higher than concentration of the element which may become tetravalent inside the lithium-transition metal composite oxide. A use of this positive electrode active material can improve cycle characteristics and high rate characteristics without reducing the charge-discharge capacity of the lithium-transition metal composite oxide.

Abstract: Disclosed is a positive electrode active material for a nonaqueous electrolyte secondary battery containing at least a lithium-transition metal composite oxide of a spinel structure, in which at least one kind of element which may become tetravalent exists on at least a surface of the lithium-transition metal composite oxide, and concentration of the element which may become tetravalent on the surface of the lithium-transition metal composite oxide is higher than concentration of the element which may become tetravalent inside the lithium-transition metal composite oxide. A use of this positive electrode active material can improve cycle characteristics and high rate characteristics without reducing the charge-discharge capacity of the lithium-transition metal composite oxide.

Abstract: An electronic golf score display device including a display on which is displayed a required picture plane inputted through an input pen or an input pen and a keyboard; a memory in which predetermined processing procedures are stored; and a processing device interposed between the display and the memory to process the processing procedures, the processing procedures comprising (a) a picture plane processing for menu for setting a score card and selecting items of a score card to start a processing of a picture plane for the items, (b) a picture plane processing for score card setting for inputting a selection of a course, a selection of a yard and a score condition of a player to input these input informations into a score card memory, (c) a picture plane processing for a score card for displaying contents inputted in the picture plane for score card setting, inputting scores to automatically calculate and display a total and designating a course to execute a picture plane processing for course layout, and (d

Abstract: There are applied in layers on the surface of a metal pipe, a rapid hardening and cure type corrosion preventive material consisting essentially of isocyanate terminated polyurethane prepolymer, amine base hardener and petroleum resin, and a reinforcing material consisting of silica sand, blast furnace slag or the like. Thus there are provided a plurality of coatings or layers on the metal pipe, which are excellent in impact resisting and corrosion preventive properties.