✦ LIBER ✦
99/02243 Geochemical phases and pollution history of heavy metals in sediments of Lake Erhai (China): Cheng, J. et al. Dizhi Diqiu Huaxue, 1998, 26, (2), 1–8. (In Chinese)
- Publisher
- Elsevier Science
- Year
- 1999
- Weight
- 223 KB
- Volume
- 40
- Category
- Article
- ISSN
- 0140-6701
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✦ Synopsis
In Chinese)
This paper reviews some measures and technologies for saving energy and protecting the environment, including cleaning and use of coal, end-of-thepipe technology, synthesizing and optimal technology for energy systems, recovery and use of surplus and waste thermal energy and exploration of clean energy sources.