effective contact area
71Ball bearing — For individual balls that are sometimes called ball bearings , see Ball (bearing). Working principle for a ball bearing …
72MOSFET — Two power MOSFETs in the surface mount package D2PAK. Operating as switches, each of these components can sustain a blocking voltage of 120 volts in the OFF state, and can conduct a continuous current of 30 amperes in the ON state, dissipating up …
73Stopping power — For the concept in nuclear physics, see stopping power (particle radiation). Contents 1 History 2 Dynamics of bullets 3 Wound …
74occlusion — 1. The act of closing or the state of being closed. 2. In chemistry, the absorption of a gas by a metal or the inclusion of one substance within another (as in a gelatinous precipitate). 3. Any contact between the incising or masticating surfaces …
75Battle of North Cape — Infobox Military Conflict conflict=Battle of the North Cape caption=Members of HMS Duke of York s gun crews at Scapa Flow after the Battle of North Cape partof=World War II date=26 December 1943 place=Off North Cape, Norway result=Allied victory… …
76biosphere — biospheric /buy euh sfer ik/, adj. /buy euh sfear /, n. 1. the part of the earth s crust, waters, and atmosphere that supports life. 2. the ecosystem comprising the entire earth and the living organisms that inhabit it. [1895 1900; < G Biosphäre; …
77Rail transport — Railroad and Railway both redirect here. For other uses, see Railroad (disambiguation). Rail transport is the conveyance of passengers and goods by means of wheeled vehicles specially designed to run along railways or railroads. Rail transport is …
78Rotating locomotion in living systems — A passive wheel Rotating locomotion encompasses two distinct modes of …
79Impetigo — For the band, see Impetigo (band). Impetigo Classification and external resources A severe case of impetigo ICD 10 L …
80Fretting — (or fretting corrosion) refers to combined wear and corrosion damage at the asperities of contact surfaces. This damage is induced under load and in the presence of repeated relative surface motion, as induced for example by vibration. The ASM… …
