In theory, from the high temperature and pressure during the coal generating gas to the present low temperature and pressure of coalbed methane reservoir, the a
Short path distillation (SPD) is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity
To predict global climate change and to implement the Kyoto Protocol for stabilizing atmospheric greenhouse gases concentrations require quantifying spatio-temp
Biodiversity is thought to be essential for ecosystem stability, function and long-term sustainability. Since nitrogen is the limiting nutrient for plant growth
The currently enforced Bulgarian water legislation [the Water Act (1999), the Environmental Protection Act (2002), etc.] requires conducting special studies for
A model is proposed relating a variety of factors of tropical cyclones (TCs) to their tracks, and attentions are paid to the influence of the asymmetric wind st
Sediments of carbonate gravity flows and terrigenous debris turbidites, and normal bathyal deposits were found at the Shaiwa Section, Ziyun County, Guizhou Prov