Learn IT - Greenwood Press

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The Establishment of the Han Empire and Imperial China (Greenwood Guides to Historic Events of the Ancient World)

Greenwood Press, 2005

China's Han Dynasty created a prosperous empire from 206 BCE to CE 221, promoting a less harsh society than that of their Quin predecessors and developing technological advancements from the water mill to stoneware and paper. From elements of social change in Han times to kingdom problems and issues, its role in world society and politics, and its...

Chemical Composition of Everyday Products

Greenwood Press, 2005

Chemicals, both helpful and harmful, affect our everyday lives. From cosmetics to medications to cleansers to lighting, automotive, and office products, each is composed of a complex blending of elements to perform a specific task. This book analyzes over 100 groups of products, identifying the specific chemical composition of a product, the...