Any of several processes in which both nitrogen and carbon are absorbed into the surface layers of a ferrous material at temperatures below the lower critical temperature and, by diffusion, create a concenteration gradient. Nitrocarburizing is performed p ...

This compound of nitrogen and oxygen is formed by the oxidation of nitric oxide (NO) which is produced by the combustion of solid fuels.

Category:Energy Terms

The products of all combustion processes formed by the combination of nitrogen and oxygen.

Category:Energy Terms

NK

Nippon Kaiji Kyokai (Japanese Class Society)

Category:Abbreviations

NKK

Nippon Kaiji Kyokai. Japanese Classification Society

Category:Abbreviations

NL

No Liner On Tailshaft

Category:Abbreviations

NL

ACRONYM - non-lubricated compressor.

Category:Sea Words

NLD

Netherlands (Flag)

Category:Abbreviations

National Labor Relations Board

Category:Abbreviations

NM

Unit of free air flow rate. Normal cubic meter per hour. The air in the following conditions:1.013 bar(a) of pressure; 0 degrees Celsius of temperature and 0% of relative humidity .

Category:Sea Words

National Marine Electronics Association

Category:Abbreviations

National Maritime Enhancement Institute.

Category:Abbreviations

National Marine Fisheries Service

Category:Abbreviations

National Maritime Resource Center.

Category:Abbreviations

Navigational and meteorological warning broadcast service

Category:Abbreviations

NNR

National nature reserve

Category:Abbreviations

Provision in a salvage agreement that money is not payable unless the property is salved in accordance with that accordance.

Category:Sea Words

Area into which a boat can not go without tacking.

Category:Sea Words

The air compressor continues to run, usually at full RPM, but no air is delivered because the inlet is either closed off or modified, not allowing inlet air to be trapped.

Category:Sea Words

On a square-rigged ship, the area between the after end of the forecastle and the forward end of the booms where lines, blocks, and tackle were stored.

Category:Sea Words