997 resultados para Houttuyn, M. (Martinus), b. 1720.


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Musæi Houttuiniani, pars altera. Kabinet van Plantgewassen, derzelver zaaden en vrugten, enz, uitmaakende het Tweede deel der Verzamiling van Naturaliën (p. 1-17)-- Musæi Houttuiniani, pars tertia, quae continet Regnum Minerale. Kabinet van Delfstoffen, of versteende zaaken, gesteenten en mineraalen, uitmaaken de het derde deel der Verzamiling van Naturaliën (p. [19]-68).

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Stafleu and Cowan: "... The book is not an exact translation of Houttuyn's Natuurlijke historie; there are many amendments and even new names and taxa ..."

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Mode of access: Internet.

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Mode of access: Internet.

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Unfigured bass realized for harpsichord.

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Ethylene polymerization by zirconocene-B(C6F5)(3) catalysts with various aluminum compounds has been investigated. It is found that the catalytic activity depended on zirconocenes used, and especially on the type of aluminum compounds. For Et(H(4)Ind)(2)ZrCl2 (H(4)Ind : tetrahydroindenyl), the activity decreases in the following order: Me3Al > i-Bu3Al > Et3Al much greater than Et2AlCl. While for Cp2ZrCl2(Cp : cyclopentadienyl), it varies as follows: i-Bu3Al > Me3Al much greater than Et3Al. Furthermore, the activity is significantly affected by the addition mode of the catalytic components, which may imply that the formation of active centers is associated with an existing concentration of catalytic components. Results of thermal behavior of polyethylene (PE) studied by differential scanning calorimetry(DSC) show that crystallinity of the polymer prepared with Et3Al is higher than that with Me3Al or i-Bu3Al. It is also found that the number-average molecular weight ((M) over bar) of the polymers prepared with Me3Al or i-Bu3Al is much higher than that with Et3Al. H-1-NMR studies substantiate that i-Bu3Al is a more efficient alkylation agent of Cp2ZrCl2 in comparison with Me3Al. (C) 1997 John Wiley & Sons, Inc.

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A comparative study of two groups of patients with paracoccidioidomycosis was carried out with the objective of comparing the evolutionary serologic, clinical and radiologic results after 6, 12, 15 and 18 months of treatment with ketoconazole (22 patients) or amphotericin B plus sulfonamides (32 patients). The serologic data analyzed as a whole showed a tendency to sharper drops in antibody titers in the patients treated with ketoconazole. Clinically patients treated with ketoconazole fared better but the differences were not statistically significant. No statistical difference was detected between groups in terms of the results of radiologic evolution. © 1985 Martinus Nijhoff/Dr W. Junk Publishers.

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... ham-meḥaber ... Jeḥiel Michel B.... Avraham Segel ... Epšṭain