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Potential for domestication and commercialization of Hoodia and Opuntia species in Botswana.
(Academic Journals, 2008-05-02)
The species Hoodia (Apocynaceae) and Opuntia (prickly pear) (Cactaceae) are highly efficient in water
use and belong to the Crassulacean Acid Metabolism (CAM) group of plants. These plant species are
quite abundant in ...
On Unit Groups of Completely Primary Finite Rings
(The Berkeley Electronic Press (bepress), 2008-01)
Let R be a commutative completely primary finite ring with the unique maximal ideal J such that J3 = (0) and J2 6= (0): Then R⁄J ∼= GF(pr) and the characteristic of R is pk, where 1 ≤ k ≤ 3, for some prime p and positive ...