(1) A molecular structure in which a heterocyclic ring can he formed by the unshared electrons of neighboring atoms. (2) A coordination compound in which a heterocyclic ring is formed by a metal bound to two atoms of the associated ligand. See also comple ...

That part of an audio-modulated radiosonde consisting of the baroswitch, the sensing elements, the reference elements, and the relay.

Chromium plated for engineering rather than decorative applicactions.

A type of window glass that contains special tints that cause the window to absorb as much as 45% of incoming solar energy, to reduce heat gain in an interior space. Part of the absorbed heat will continue to be passed through the window by conduction and ...

A room heat delivery (or exchanger) component of a hydronic (hot water or steam) heating system; hot water or steam is delivered to it by natural convection or by a pump from a boiler.

A reference electrode composed of mercury, mercurous chloride (calomel), and a saturated aqueous chloride solution.

To keep a weather eye is to be on the alert (heads up).

A mortgage which guarantees the interest rate charged will remain sandwiched between two specified.

The permitted increase in pressure developed after the valve has opened. Usually expressed in percentage, ie.; 3% accumulation (A.S.M.E. Code, Section I). Flows through safety/relief valves are officially determined at these overpressure conditions.

1.Formal Safety AssessmentStudy of risks which should improve the design of ships, and also their actual maintenance.2.Fixed Securing Arrangements

The structural elements (walls, roof, floor, foundation) of a building that encloses conditioned space; the building shell.

The interval between the lower and upper measuring limits of an instrument, i.e. a thermometer with a range of -35 to 50

A coating of ice, generally clear and smooth. formed by the freezing of supercooled water on a surface.

Japanese tapered pipe thread (Female).

The visibility along an identified runway, determined from a specified point on the runway with the observer facing in the same direction as a pilot using the runway. Compare to runway visible range.

A material applied to window panes that controls heat gain and loss, reduces glare, minimizes fabric fading, and provides privacy. These films are retrofitted on existing windows.

A charge made for lifting articles too heavy to be lifted by a ship's normal tackle.

An order to cease (stop).

A winch, frequently unpowered, having rope storage capacity and used for topping and lowering a derrick boom while the boom is unloaded and for supporting it while it is supporting a load.

Money, in the form of notes and coins, which constitutes payment for goods at the time of.