High Frequency (3-30 Mhz)

Hull Stress Monitoring System

Integrated services digital network

Noise which is varying in level rising and falling. For the purpose of this Code it may be taken to mean fluctuations in excess of the steady noise as defined in 1.4.31 and excludes impulse noise as defined in 1.4.14.

Cargo Ship Safety Construction Certificate

A device that combines several separate communications signals into one and outputs them on a single line.

A dividend paid additionally to the normal dividend when profits of a company are particularly.

Working Party on Human Element (IACS)

A construction material made by compressing earth in a form; used traditionally in many areas of the world and widely throughout North Africa and the Middle East.

The complete cycle of stages (evaporation and condensation) of refrigeration or of the refrigerant.

A solar thermal system that has one tank for storing solar heated water to preheat the water in a conventional water heater.

An instrument designed to measure the effect of sunlight on evaporation from plant foliage. It consists of a porous clay atmometer whose surface has been blackened so that it absorbs radiant energy.

The process by which building societies and mutual insurers convert themselves from mutual.

Ralph Elliott was an accountant who lived from 1871 to 1948 and who is remembered by technical.

Is used to cool compressed air or gas. Designed to reduce the temperature and liquefy condensate vapors.

A nonpolarizable electrode with a known and highly reproducible potential used for potentiometric and voltammetric analyses. See also calomel electrode.

The pressure equivalent of the velocity of a fluid.

Is the term used for average atmospheric air at sea level in a temperature zone where it contains some moisture. It is defined in the ASME Test Code For Displacement Compressors as being at 14.696 psiA, 68

A state benefit payable after the expiry of state sickness benefit if a person is still unfit to.

A semi great circle joining the north and south poles. Known as lines of longitude, they cross the equator and all parallels of latitude at right angles.