A factor of proportionality representing the amount of substance diffusing across a unit area through a unit concentration gradient in unit time.

A deviation to move cargo on the return leg of a voyage for the purpose of minimizing ballast mileage and thereby reducing transportation costs.

The demand on, or the power output of, an electrical system or any of its parts over an interval of time, as determined by the total number of kilowatt-hours divided by the units of time in the interval.

Ports and Waterways Safety Act.

The relationship which the return on a stock has with the return on the market as a whole, often.

Ship supplies.

The measure of seasonal or annual efficiency of a residential heating furnace or boiler. It takes into account the cyclic on/off operation and associated energy losses of the heating unit as it responds to changes in the load, which in turn is affected by ...

(1) Water having salinity values ranging from approximately 0.5 to l7 parts per thousand. (2) Water having less salt than seawater, but undrinkable.

A list of elements arranged according to their standard electrode potentials, with "noble" metals such as gold being positive and "active" metals such as zinc being negative.

Committee set up by the Bank of International Settlements and based in Basle. It drew up.

(1) An iron mineral crystallizing in therhombohedral system; the most important oreof iron. (2) An iron oxide, Fe,O,, corrcsponding to an iron content of approximately 70%.

The total gas pressure (static plus velocity).

A person appointed by a company to perform an audit. In the UK auditors are Chartered.

The unit of speed in the nautical system; one nautical mile per hour. It is equal to 1.1508 statute miles per hour or 0.5144 meters per second.

42 U.S. gallons (306 pounds of oil, or 5.78 million Btu).

The component of a combustion device that regulates the amount of air entering the combustion chamber.

Nippon Kaiji Kyokai. Japanese Classification Society

There after

A thermometer whose sensitive element has been made to resemble a black body by covering it with lamp black. The thermometer is placed in an evacuated transparent chamber which is maintained at a constant temperature. The instrument responds to insolation ...

A curved metal spar for handling a boat or other heavy objects.