Assorted References. 1  major reference (in celestial mechanics: Keplerâs laws of planetary motion) 2  astronomy (in physical science: Astronomy) (in astronomy: Kepler) 3  celestial mechanics (in mechanics: History) 4  discovery and formulation (in Johannes Kepler (German astronomer)) 5  geometry (in geometry: Pythagorean numbers and Platonic solids)
From Wikipedia, the free encyclopedia. In chemical kinetics, the overall rate of a reaction is often approximately determined by the slowest step, known as the rate determining step (RDS) or rate-limiting step.
2 Approaches to determining discount rates. There are two main approaches to thinking about discount rates and how they are determined. A key feature of both approaches is that they have an element of opportunity cost underlying them. The first approach thinks of a discount rate as the rate of return an investor would expect from different opportunities that have equal risk.