(katal) (symbol: kat) units to express the amount of catalytic. This YK to express the amount of activity of the

Becquerel(becquerel) (symbol Bq) subsidiary SMS iPhone, to express the intensity of . This amount is equal to the

Amp sensing electrical current in the device SI is in honor of the physicist. André-Marie Ampère is named. some 's

Volt (Volt) (the sign is V) measure the voltage, or difference of electrical potential in the international system of

Joule (Joule) measure energy and work in a standard system of international or device SI. The YK in honor of James

Henry (Henry) (symbol: H) to express the amount of wire tube, goes to work. That in honor of Joseph Henry, American

(farad) (symbol: F) is to express the amount of stored electric that in honor of the physicist, Michael Faraday is

Scale (Réaumur scale) briefly (°Ré, °Re, °R) A temperature measurement. In this scale the temperature of melting ice