India (Flag)

The absorption of carbon atoms by a metal at high temperatures; it may remain dissolved, or form metal carbides; Absorption and diffusion of carbon into solid ferrous alloys by heating, to a temperature usually above Ac in contact with a suitable carbonac ...

Said of a vessel when her keel is close to the bottom and all but touching it.

A fixed-length group of bits representing the large data element handled as a unit by a computer. Word length is determined by the capacity of the CPU registers.

In the direction of the vessel's head. Wind ahead is from the direction toward which the vessel's head points. In a forward direction.

Health safety and environmental,Health and Safety Executive

Naval Vessel

A unit of pressure used principally in oceanography. One decibar (10' dynes/cm2) equals 0.1 bar. In the ocean, hydrostatic pressure in decibars very nearly equals the corresponding depth in meters.

A device for optimizing the anaerobic digestion of biomass and/or animal manure, and possibly to recover biogas for energy production. Digester types include batch, complete mix, continuous flow (horizontal or plug-flow, multiple-tank, and vertical tank), ...

American Society for Testing and Materials.

An old maritime expression meaning "immediately", as "let go amain" (drop the anchor at once!).

In Jeffreys' classification, a wind for which the pressure force exactly balances the viscous force, in which the vertical transfers of momentum predominate.

Norway (Flag)

Vinyl Chloride Monomer. Gas occasionaly carried by LPG tankers. Highly cancerogen, heard that the German allows a crew to carry the gas only once in their carreer. Classified as flamable, toxic and polymerizable.

That part of the ocean lying below 300 fathoms from the surface.

An accelerated corrosion test for electrodeposits.

The angle a celestial body makes with the horizon.

A basic equation in night visual range theory, relating the illuminance of a point source of light to distance and the transmissivity of the atmosphere.

Convention on Facilitation of International Maritime Traffic

The first stress in a material, usually less than the maximum attainable stress, at which an increase in strain occurs without an increase in stress. Only certain metals - those that exhibit a localized, heterogeneous type of transition from elastic defor ...