December 7, 2017 Comments Off on Why Are Coral Reefs So Fragile Why Are Coral Reefs Overexploited December 7, 2017 Comments Off on Why Are Coral Reefs Overexploited
Automatic gain control (AGC), also called automatic voltage gain, is a closed-loop feedback regulating circuit, the purpose of which is to provide a controlled signal amplitude at its output, despite variation of the amplitude in the input signal.
In soil science, cation-exchange capacity or CEC is the number of exchangeable cations per dry weight that a soil is capable of holding, at a given pH value, and available for exchange with the soil water solution.n soil science, cation-exchange capacity or CEC is the number of exchangeable cations per dry weight that a soil is capable of holding, at a given pH value, and available for exchange with the soil water solution.