pH vrednost

Za Sosira, jezik je predstavljao odnosni sistem "vrednosti". On je razlikovao vrednost znaka od njegovog značenja. Znak nema "apsolutnu" vrednost sam po sebi - njegova vrednost ...

pH

Chimie; Chimie în general

Measures the acidity of a solution. It is the negative log of the concentration of the hydrogen ions in a substance.

uzemljen

Echipamente electrice; Condensatori

Parts which are connected so that when the installation is complete, it is substantially of the same potential as the earth.

harmonik

Echipamente electrice; Condensatori

An integral multiple of the fundamental frequency (60 Hz) that becomes a component of the current.

herc

Echipamente electrice; Condensatori

(Hz) A term replacing cycles-per-second as an indication of frequency.

histerezis

Echipamente electrice; Condensatori

An effect in which the magnitude of a resulting quantity is different during increases in the magnitude of the cause than during decreases due to internal friction in a substance ...

impedansa

Echipamente electrice; Condensatori

The total opposition that a circuit offers to the flow of alternating current or any other varying current at a particular frequency. It is a combination of resistance R and ...