This research was aimed to utilize natural kaolin for zeolite synthesis by hydrothermal method for removal of hard metals. The use of low cost materials in zeolite synthesis becomes an area of impo...więcej »
Written in 1922 by Harry Vissering, the director of the Goodyear-Zeppelin Corporation, Zeppelin recounts the life and work of Count Zeppelin (1838-1917). One of the first Americans to show interes...więcej »
This book is ideal for ZX Spectrum fans and beginner coders of any age that want to learn or practice building simple games. Contains 20 games specifically crea...więcej »