From Imagination to Innovation formatIsbn:Softcover 9781489989659 This series of workshops is philosophy of psychology This series of workshops is designed to strengthen the cooperation between the German and Chinese institutions active in the area of these technologies BETZ presented a paper on air screw propellers with minimum consumption of energy which could be applied to ship screw propellers also As forces such as financial market volatility and fragmented markets demonstrate the fragility of the global economy the imperative to develop products and services that contribute to the well being of the many—rather than the few—is more pronounced than ever