It can cause nausea and diarrhea, especially in high doses or after long-term use. It might also pose a risk of ulcers in high doses. As a topical treatment, it can cause skin irritation. Caution is advised when turmeric is taken by people known to have gallstones; consult your health care provider first.
Gain is the ratio between the magnitude of output and input signals. Gain controls on an amplifier are basically just small potentiometers (variable resistors) or volume controls, that allow you to adjust the incoming signal to the amplifier.
Overview. 1  The gain of a CCD camera is the conversion between the number of electrons (e-) recorded by the CCD and the number of digital units (counts) contained in the CCD image. It is useful to know this conversion for evaluating the performance of the CCD camera.