Bücher von Liang-tseng Fan

Recent economic trends, especially the worldwide decline in oil prices, and an altered political climate in the United States have combined to bring about major reductions in research on renewable energy resources.

The concept of controlled release has attracted increasing attention over the last two decades, with the applications of this technology proliferating in diverse fields in cluding medicine, agriculture and biotechnology. The number and variety of controlled release systems, differing in their physical and chemical makeup, are increasing rapidly.