Now showing items 1-10 of 41574
Facets of an Assignment Problem with 0–1 Side Constraint
(Kluwer Academic Publishers; Springer Science+Business Media, 2000-09)
We show that the problem of finding a perfect matching satisfying a single equality constraint with a 0–1 coefficients in an n × n incomplete bipartite graph, polynomially reduces to a special case of the same peoblem ...
The pygmy owl of the District of Soconusco, Chiapas
(University of Michigan Museum of Zoology, 1941)
THE LIFE HISTORY OF COLEOCHAETE SCUTATA (CHLOROPHYCEAE) STUDIED BY A FEULGEN MICROSPECTROPHOTOMETRIC ANALYSIS OF THE DNA CYCLE 1, 2
(Blackwell Science Inc, 1976-03)
The life history of Coleochaete scutata BrÉb. was analyzed by Feulgen microspectrophotometry, a technique measuring DNA content in individual nuclei. By correlating nuclear DNA content with morphological structures or ...
Observations on the habitat of Pogonia ophioglossoides (Orchidaceae) in Northern Michigan.
(1997)
In conclusion, observation of Pogonia ophioglossoides, the rose pogonia or snake's mouth orchid, appears to indicate that it is a moisture-loving, calciphilic, minerotrophic fen species which grows on the quaking mat, poor ...
Biased Cold Dark Matter Theory - Trouble from Rich Clusters
(Univ Chicago Press, 1989-06-15)
Seed morphology and anatomy and its utility in recognizing subfamilies and tribes of Zingiberaceae
(Botanical Society of AmericaWiley Periodicals, Inc., 2015-11)
β-funaltrexamine antagonizes the discriminative stimulus effects of morphine but not naltrexone in pigeons
(Springer-Verlag, 1987-02)
Antagonistic actions of the irreversible, μ-selective antagonist β-funaltrexamine (β-FNA) were evaluated in pigeons trained to discriminate among intramuscular injections of morphine (5.6 mg/kg), saline, and naltrexone ...