Rice straw (RS) is treated by straw biogas anaerobic digestion (AD) technology to reduce pollution, but RS anaerobic gas production technology has some problems such as low gas production rate, slow digestion speed, and long digestion period. Domesticated paddy soil microbes (DPSM) is an...

This dissertation analyzed spatial agglomeration economies associated with the geographical distribution of the U.S. biotech industry. Three location issues associated with the biotech industry were addressed in the study. The first study utilized a Bayesian spatial tobit model and examined the...