990 resultados para Milan (Mich.)
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Arkit: A-B4.
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Dedicatio: Laurentius Tammelin, Jacobus Garwolius, Michael Polviander, Martinus Polviander, Gustavus Rothovius, Justus Schultz Joh. fil., Johannes H. Wittfooth.
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Invocatio: HEPREAA.
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Arkit: A-C4 D2.
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Invocatio: M.G.H.
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Invocatio: I.N.S.S.T.
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The present article reviews different aspects of the chemistry of two widely used β-lactam antibiotics Clavulanic Acid and Cephamycin C. The article discusses important details of the biosynthesis of these compounds, their action mechanism and, principally, the methods employed in their isolation and purification, in accordance with the available literature. Despite the large quantity of available articles and patents concerning β-lactam antibiotics, those which describe the isolation and purification of Clavulanic Acid and Cephamycin C are rare. Overall, the intention of this article is to discuss the up-to-date scientific research related to the compounds under review.
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Dedicatio: Mich. Montin.
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Invocatio: Q.F.S.F.Q.
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Mennanderin gratulaatio painettu uudelleen: Das Inland (Dorpat) 1856 pg. 562-563
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Invocatio: [hepreaa].
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This paper provides an up-to-date critical review of methods for diamond synthesis by lasers. A provisional classification of synthesizing methods is carried out, in order to present a varied and heterogeneous experimental work that is as clear as possible. Laser diamond CVD methods involve chemical processes in a carbon-containing system induced by specific absorption of laser radiation, while diamond PVD methods involve physical processes induced by an intense, highly-directed laser beam. Different methods involving coupled, simultaneous action of lasers and classic CVD agents are suggested and discussed as prospective approaches for diamond synthesis.
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Soitinnus: mieskuoro.