Dissertações em 2005

مثال‌هایی از الگوریتم EM

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Trophic Interactions Between Two Herbivorous Insects, <em>Galerucella calmariensis</em> and <em>Myzus lythri</em>, Feeding on Purple Loosestrife, <em>Lythrum salicaria</em>, and Two Insect Predators, <em>Harmonia axyridis</em> and <em>Chrysoperla carnea</

The effects of two herbivorous insects, Galerucella calmariensis Duftschmid and Myzus lythri L. (Coleoptera: Chrysomelidae), feeding on purple loosestrife, Lythrum salicaria L. (Myrtiflorae: Lythraceae), were measured in the presence of two insect predators, Harmonia axyridis Pallas (Coleoptera: Coccinellidae) and Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae). A greenhouse cage experi...

Identification of a Histidine Metal Ligand in the <em>argE</em>-Encoded <em>N</em>-Acetyl-L-Ornithine Deacetylase from <em>Escherichia coli</em>

The H355A, H355K, H80A, and H80K mutant enzymes of the argE-encoded N-acetyl-L-ornithine deacetylase (ArgE) from Escherichia coli were prepared, however, only the H355A enzyme was found to be soluble. Kinetic analysis of the Co(II)-loaded H355A exhibited activity levels that were 380-fold less than Co(II)-loaded WT ArgE. Electronic absorption spectra of Co(II)-loaded H355A-ArgE indicate that th...

Greek and Roman Perceptions of the Afterlife in Homer’s <em>Iliad</em> and <em>Odyssey</em> and Virgil’s <em>Aeneid</em>

Lock 'em up and Count 'em

Oh to be in Grendon now that group therapy's there. Frank Norman's book, sub-titled 'Reform of the Penal System', is not just a plea for psychiatric treatment of offenders and praise for Britain's first psychiatric prison, Grendon Underwood. But the mood is captured in the final chapter where he writes: 'Quite simply, in Sweden, the penal authorities take a far more enlightened view of criminal...