collector efficiency
121Energy crisis — An energy crisis is any great bottleneck (or price rise) in the supply of energy resources to an economy. It usually refers to the shortage of oil and additionally to electricity or other natural resources. An energy crisis may be referred to as… …
122Magnox — Schematic diagram of a Magnox nuclear reactor showing gas flow. Note that the heat exchanger is outside the concrete radiation shielding. This represents an early Magnox design with a cylindrical, steel, pressure vessel. For other uses of the… …
123Climate Change Levy — The Climate Change Levy (CCL) is a tax on energy delivered to non domestic users in the United Kingdom. Its aim is to provide an incentive to increase energy efficiency and to reduce carbon emissions, however there have been ongoing calls to… …
124Belt (mechanical) — For other belts, see Belt (disambiguation). A pair of vee belts …
125Nuclear power in the United Kingdom — United Kingdom energy related articles Government energy policy Energy use and conservation Nuclear power Solar power Wind power Energy efficiency in …
126Department of Energy and Climate Change — Not to be confused with the defunct Department of Energy. United Kingdom Department of Energy and Climate Change Agency overview Formed …
127Schools — • History and development of education as related to the church Catholic Encyclopedia. Kevin Knight. 2006. Schools Schools † …
128Mark Group Ltd — Mark Group Type Privately owned Industry Energy saving, Insulation, Microgeneration, Renewables Founded 1974 as Mark Insulations …
