Punctuated equilibria changes are the norm, not the exception, to modern human history − spanning the rise of the nation state, industrialization, access to mass transportation, the internet and most recently the social media revolution.
Transient effects observed in the anodic dissolution of iron using potential step methods are examined in terms of theories of the relaxation of electrochemical pre-equilibria, change in shape of etch pits, and pH changes at the electrode surface.
Sufficient conditions for local stability of the equilibria and change of stability are derived in various cases.
Changes in the positions of the equilibria and changes in the calculated force constants are determined.
Both the initial oxidation of the PAni an acidic solution and the decrease of the pH of the solution in contact with oxidised PAni are accompanied by a strong increase of the capacitance, obviously caused by protonation equilibria and changes of the double layer.
The results show that the equilibria do not change, although their types do with some changes in the relative preferences.
In b, which reflects a pattern of speciation known as "punctuated equilibria," most morphological change occurs in association with speciation events, and the trend is said to be cladogenetic because change occurs primarily among species, not within them.
Once stationary equilibria are established changes of REY composition between REY in groundwater and their surface adsorption, are negligible.
A bifurcation diagram shows the long-term qualitative changes (equilibria or periodic orbits) of a system as a function of a bifurcation parameters of the system.
It is very important to explain to students that small steps (as in punctuated equilibria) and insensible changes (as in classical gradualism) are more like each other than are small steps and very large steps.
