M
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Microgrids are designed to add protection to an area that is reliant on a constant electrical supply such as airports. In the event of grid power failure the microgrid will become active.
The use of small generators or devices to convert power into electricity.
Microscale meteorology is the study of short-lived atmospheric phenomena smaller than mesoscale, about 1 km or less.
A very small wind turbine which is used for small energy needs for cabins, campers, sailboats, very small communication stations, or other small off-grid loads.
A microwave power meter is an instrument which measures the electrical power at microwave frequencies typically in the range 100 MHz to 40 GHz.
1. The cross section through the ship, midway between the forward and after perpendiculars. 2. A drawing showing standard cross sections of the hull at, or near amidships, and presenting the scantlings of the principal structural members.
The section modulus of a transverse section of a hull girder amidships, evaluated by taking into account the longitudinally effective material.
The oil and gas industry is usually divided into three major components: upstream, midstream and downstream.
An oxide of iron which appears on the metal surface during manufacture. It is usually removed by suitable surface treatment prior to priming and painting.
In Wärtsilä engines the inlet valves close just before the piston reaches the bottom dead centre.
A line diagram of a pipe system or items of equipment which includes miniature alarm lights or operating buttons for the relevant point or item in the system.
The Mine Safety and Health Administration is a large agency of the United States Department of Labor which administers the provisions of the Federal Mine Safety and Health Act of 1977 (Mine Act) to enforce compliance with mandatory safety and health standards as a means to eliminate fatal accidents, to reduce the frequency and severity of nonfatal accidents, to minimize health hazards, and to promote improved safety and health conditions in the nation's mines
Mineral-insulated copper-clad cable is a variety of electrical cable made from copper conductors inside a copper sheath, insulated by inorganic magnesium oxide powder.
Mineralogy is a subject of geology specializing in the scientific study of the chemistry, crystal structure, and physical (including optical) properties of minerals and mineralized artifacts.
The minimum breaking load of a mooring line as declared by the manufacturer for a new line.
A condition in which at least services such as cooking, heating, domestic refrigeration, mechanical ventilation, sanitary and fresh water are adequately provided.
Local fracture of a tank boundary weld.
The distance between the axes of two shafts to be coupled together.
Miscibility is the property of two substances to mix in all proportions (that is, to fully dissolve in each other at any concentration), forming a homogeneous mixture (a solution).
A device aimed primarily at improving propulsive performance. It consists of fixed-type steel fins at the rear of the propeller which are fitted onto the forward side of the rudder horn.
