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Frequency allocation. Frequency allocation (or spectrum allocation) is the part of spectrum management dealing with the designation and regulation of the electromagnetic spectrum into frequency bands, normally done by governments in most countries. [ 1] Because radio propagation does not stop at national boundaries, governments have sought to ...
The banana plant is the largest herbaceous flowering plant. [2] All the above-ground parts of a banana plant grow from a structure called a corm . [ 3 ] Plants are normally tall and fairly sturdy with a treelike appearance, but what appears to be a trunk is actually a pseudostem composed of multiple leaf-stalks ( petioles ).
John Pierpont Morgan (April 17, 1837 – March 31, 1913) [1] was an American financier and investment banker who dominated corporate finance on Wall Street throughout the Gilded Age and Progressive Era. As the head of the banking firm that ultimately became known as J.P. Morgan and Co., he was a driving force behind the wave of industrial ...
This list of carnivorous plants is a comprehensive listing of all known carnivorous plant species, of which more than 750 are currently recognised. Unless otherwise stated it is based on Jan Schlauer's Carnivorous Plant Database Archived 2016-09-18 at the Wayback Machine. Extinct taxa are denoted with a dagger (†).
Brazil, [ b] officially the Federative Republic of Brazil, [ c] is the largest and easternmost country in South America and Latin America. It is the world's fifth-largest country by area and the seventh most populous. Its capital is Brasília, and its most populous city is São Paulo.
Graphene ( / ˈɡræfiːn / [ 1]) is a type of allotrope of carbon consisting of a single layer of atoms arranged in a honeycomb [ 2][ 3] nanostructure. [ 4] The name is derived from "graphite" and the suffix -ene, reflecting the fact that the graphite allotrope of carbon contains numerous double bonds. Each atom in a graphene sheet is ...
Extreme ultraviolet lithography. Extreme ultraviolet lithography ( EUVL, also known simply as EUV) is a new technology used in the semiconductor industry for manufacturing integrated circuits (ICs). It is a type of photolithography that uses extreme ultraviolet (EUV) light to create intricate patterns on silicon wafers .
The pure ruggedness of this area is caused by torrential downpours for four months of the year, combined with an intense summer season of scorching heat that cracks the ground. Vegetation is scarce and consists of low, thorny shrubs. The hillsides along the pass are covered in thick brush, with some plants reaching 10 feet (3.0 m) high.