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The quaternary sector of the economy is based upon the economic activity that is associated with either the intellectual or knowledge-based economy. [1] This consists of information technology; media; research and development; information-based services such as information-generation and information-sharing; and knowledge-based services such as consultation, entertainment, broadcasting, mass ...
Three sectors according to Fourastié Clark's sector model This figure illustrates the percentages of a country's economy made up by different sector. The figure illustrates that countries with higher levels of socio-economic development tend to have less of their economy made up of primary and secondary sectors and more emphasis in tertiary sectors.
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The Quaternary is a geologic period. Quaternary (an adjective meaning "fourth in order" or "composed of four items") may also refer to: Quaternary (chemistry) (see also Quaternary compound and Quaternary phase) Quaternary structure of proteins; Quaternary sector of the economy, which encompasses knowledge-based services
This is necessitated by the demands of a tertiary and quaternary sector: in order to better service an industry focused on finance, education, communication, management, training, engineering, and aesthetic design, the city must become points of exchange capable of providing the most updated information from across the globe.
The methodology of pollen analysis became widespread throughout Europe and North America and revolutionized Quaternary vegetation and climate change research. [13] [15] Earlier pollen researchers include Früh (1885), [16] who enumerated many common tree pollen types, and a considerable number of spores and herb pollen grains.
A technopole, commonly referred to as a high-technology cluster or tech hub, refers to a center of high-tech manufacturing and information-based quaternary industry. [1] The term was coined by Allen J. Scott in 1990 to describe regions in Southern California which showed a rapid growth in high technology fields. [2]
Systems biology involves the use of computer simulations of cellular subsystems (such as the networks of metabolites and enzymes that comprise metabolism, signal transduction pathways and gene regulatory networks) to both analyze and visualize the complex connections of these cellular processes.