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A commonly used model that illustrates the relationship between biological, individual, community, and societal determinants is Whitehead and Dahlgren's model originally presented in 1991 and subsequently adapted by the CDC. [8]
Dahlgren gun, type of smooth bore cannon designed by the Admiral and used by the U.S. Navy Dahlgren Affair , failed mission to assassinate leaders of the Confederacy Dahlgren system and dahlgrenogram, created by Swedish-Danish botanist Rolf M. T. Dahlgren (1932–1987)
Whitehead took as primitive the topological notion of "contact" between two regions, resulting in a primitive "connection relation" between events. Connection theory C is a first-order theory that distills the first 12 of Whitehead's 31 assumptions [ 9 ] into 6 axioms, C1-C6 . [ 10 ]
One of the modern systems of plant taxonomy, the Dahlgren system was published by monocot specialist Rolf Dahlgren in 1975 [1] and revised in 1977, [2] and 1980. [3] However, he is best known for his two treatises on monocotyledons in 1982 [4] and revised in 1985. [5] His wife Gertrud Dahlgren continued the work after his death. [6]
Order Melanthiales R. Dahlgren ex Reveal (1992) Order Colchicales Dumort. (1829) Order Trilliales Takht. (1996) Order Liliales Perleb (1826) Family Liliaceae Juss., nom. cons. (1789) Family Medeolaceae (S. Wats.) Takht. (1987) Order Alstroemeriales Hutch. (1934) Order Iridales Raf. (1815) Order Tecophilaeales Traub ex Reveal (1993) Order ...
(available online: Full text (PDF) here) Kubitzki system (1990- ) K. Kubitzki; (1990 ongoing); et al. The Families and Genera of Vascular Plants. {}: CS1 maint: numeric names: authors list ; Shipunov system (1991–) (Available online: Full text PDF ) Reveal system (1997) Reveal System of Classification 1997; Judd system (1999–2016)
The seven basic tools of quality are a fixed set of visual exercises identified as being most helpful in troubleshooting issues related to quality. [1] They are called basic because they are suitable for people with little formal training in statistics and because they can be used to solve the vast majority of quality-related issues.
The Cronquist system is a taxonomic classification system of flowering plants.It was developed by Arthur Cronquist in a series of monographs and texts, including The Evolution and Classification of Flowering Plants (1968; 2nd edition, 1988) and An Integrated System of Classification of Flowering Plants (1981) (see Bibliography).