At weight ratio, it adds in the range of the air-fuel ratio of 0 super empty 20PROBLEM TO BE SOLVED: To provide a method for manufacturing a porous ceramic bulk material by effectively using chaff produced in a large amount as agricultural waste and a porous silicon carbide bulk ...
Improved additives/detergents for lubricant and fuel compositions are obtained by condensing a hydroxyalkyl or hydroxyaryl compound with an amine compound. The condensates according to the present invention are produced by the acid catalyzed condensation of the amine reactant with the hydroxy reactant....
PROBLEM TO BE SOLVED: To provide a method for producing a low-temperature lightweight clay tile, capable of lightening a product while maintaining qualities of JIS specification of clay tile, reducing a fuel in baking and enabling energy saving.INAGAKI KOSHIRO...