Is the ratio in absolute units of the actual gas temperature to the critical temperature.

Shipper Owned Container

Dioctylphalate aerosol (Efficiency Test Material).

A transducer which converts electromagnetic radiation in the infrared, visible, and ultraviolet regions into electrical quantities such as voltage, current, or resistance. Also called photo cell.

A measure of window glazing performance that is the ratio of the total solar heat gain through a specific window to the total solar heat gain through a single sheet of double-strength glass under the same set of conditions; expressed as a number between 0 ...

To make a rope fast by turns round a pin or coil, without hitching or seizing it.

The short foot rope at the end of a yard at the outer corner of a square sail used when reefing or furling.

An instrument which measures the rate of evapotranspiration. It consists of a vegetation soil tank so designed that all water added to the tank and all water left after evapotranspiration can be measured.

An early and once universal name for the mercury barometer.

Marine Safety Information System.

See corrosion potential and open-circuit potential.

Construction (CONSTR)

A large square of heavy canvas fitted with lines to allow it to be drawn under the hull of a ship where it is damaged. The pressure of the seawater holds it tight against the ship and greatly reduces the inflow of water.

A measuring tool used to check air pressure at the tool by inserting a hypodermic needle into the rubber hose.

The strokes on the ship's bell to mark the passage of time. The passage of time in each watch is marked by the bell every half-hour.

Term used in the days of sail to indicate the starboard of the two anchors carried at the bow of a ship. The anchor on the port side was known as the small bower (although they were the same size).

The audio-frequency signal transmitted by the Diamond-Hinman radiosonde when the baroswitch pen passes each fifth contact of the commutator up to a number determined by the design of the commutator. It then signals every contact except the fifth, which is ...

Greece (Flag)

Ship Repair Agreement

Reduce dew point by passing compressed air through a bundle of hollow membrane fibers; water vapor and a portion of the compressed air then permeate the membrane walls and vent to atmosphere