too simplistic (Sarkanen and Ludwig, 1971), and there are now many examples showing that other phenolics Forages serve an important role in providing nutrients to ruminants besides the cinnamyl alcohols can be incorporated into while providing positive benefits to the environment. Forage cell wall digestibility is incomplete because of several structural features within lignins (as reviewed by ...

Based on measurements of the internet topology data, we found that there are two mechanisms which are necessary for the correct modeling of the internet topology at the autonomous systems (AS) level: the interactive growth of new nodes and new internal links, and a nonlinear preferential attachment, where the preference probability is described by a positive-feedback mechanism. Based on the abo...