Horikoshi m (23 Ergebnisse)

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The minute and somewhat aberrant Philine denticulata, which is common in parts of the Øresund, Denmark, was studied. Its egg mass, newly hatched larvae, settling larvae and juveniles, which have hitherto been confused with those of related species, are described. The species has an annual life-cycle. Its spawns were found from May to August and the first substantial settling oflarvae was observed in July. The assessment of growth met with considerable difficulties owing to the very small increments found in the species during the first 5 months after settling and owing to the peculiar formation of the nepionic shell. To overcome these difficulties a special parameter had to be used. The absolute growth rate was found to be low in autumnwinter and high from March onwards. Growth in an exposed locality is more rapid in springsummer, but slightly slower in autumn-winter, than in a sheltered place. The population density of the new generation increases until the end of August, then decreases sharply and is very low after December. A greater population density of the adult generation results in a greater population density of the subsequent new generation, but survival rate of the young appears to be unrelated to initial settling density. High mortality is masked by repeated larval settling. An apparent. low growth rate of the species, evaluated on the basis of an average population during autumnwinter, is mainly caused by 1) a combined effect of high mortality and settling of young on the bottom until December, and 2) seemingly unfavourable changes in the environment. Seasonal variations of the vertical distribution of temperature and salinity in the Øresund were found to be rather complicated. An attempt is made to correlate these sesasonal changes of the hydrographical conditions and of the primary production with major events in the life-cycle of the species. 42 pp., 29 figs, br. gr. 8.…

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Mass Market Paperback. Zustand: Very Good. This is an excellent account; very detailed and with the Japanese view. pp412.ads, illus.

Mass Market Paperback. Zustand: Very Good. Excellent account; very detailed and with the Japanese view. pp412.ads, illus. Wear to spine edge.

Mass Market Paperback. Zustand: Very Good. Excellent account; very detailed and with the Japanese view. pp412.ads, illus. Minor wear; good for this ed.

Mass Market Paperback. Zustand: Very Good. Excellent account; very detailed and with the Japanese view. pp412.ads, illus.

Mass Market Paperback. Zustand: Very Good. Excellent account; very detailed and with the Japanese view. pp412.ads, illus.

Mass Market Paperback. Zustand: Very Good. This is an excellent account; very detailed and with the Japanese view. pp412.ads, illus. 'Gently read'; pretty good condition for this ed.

Zustand: New. S. Ren and E.J. Lien: CaCo-2 cell permeability vs human gastrointestinalabsorption: QSPR analysis.- J.C.G. Halford and J.E. Blundell:Pharmacology of appetite suppression.- B. Olivier, W. Soudijn and I. vanWijngaarden: Serotonin, dopamine .

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Couverture rigide. Zustand: bon. R320144820: 1957. In-8. Relié. Etat d'usage, Couv. convenable, Dos satisfaisant, Intérieur acceptable. 298 pages - déchirures sur la jaquette - quelques planches en noir et blanc. Avec Jaquette. . . Classification Dewey : 952-Japon et ses îles.

Couverture rigide. Zustand: bon. R160172642: 1957. In-8. Relié. Etat d'usage, Couv. convenable, Dos abîmé, Intérieur frais. 298 Pages - Frontsipice en noir et blanc - Quelques planches photos en noir et blanc - Dos insolé partiellement désolidarisé - Coiffes abîmées. . . . Classification Dewey : 940.53-Seconde Guerre mondiale 1939-1945. …

Couverture rigide. Zustand: bon. R160171201: 1956. In-8. Relié. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 298 Pages - Frontispice en noir et blanc - Quelques planches cartes et photos en noir et blanc - Traces d'adhésifs sur les pages de gardes. Avec Jaquette. . . Classification Dewey : 940.53-Seconde Guerre mondiale 1939-1945.…

Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Caco-2 cell permeability vs human gastrointestinal absorption: QSPR analysis.- Pharmacology of appetite suppression.- Serotonin, dopamine and norepinephrine transporters in the central nervous system and their inhibitors.- Neuropeptides in drug research.- R.…

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Zustand: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. This book adds remarkable advances in microwave chemistry, methods, equipment, and practical examples since the first edition was published in 2018. Moreover, practical examples of the use of microwave energy have been upgraded. It also includes how to e.…

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