Akkermans a j (67 risultati)

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Condizione: Bueno. Wrightson Biomedical Publishing. Tapa dura. 25 cm. Ilustrado. Bueno.

Condizione: Normal. Wrightson Biomedical Publishing Ltd. Reino Unido 1992 24 x 19 cm., 313 pag. Tapa dura estampada; buen estado. MEDICINA . Ejemplares disponibles: 1 Normal.

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Condizione: New. 978-92-827-4602-8. AKKERMANS, J. / A. DAVIES: CHIPCARD USE IN LIBRARIES AND INFORMATION WEBS. RECOMMENDATIONS TO CREATE INTELLIGENT LIBRARIES IN EUROPE. 1995 EUROPEAN COMMISSION 700 gr.

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Paperback. Condizione: Brand New. 272 pages. 9.25x6.10x0.62 inches. In Stock.

Tapa dura. Ilustrado. Ligeras manchas de humedad, no dificultan la lectura 313 Medicina.

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Taschenbuch. Condizione: Neu. Druck auf Anfrage Neuware - Printed after ordering - Five years have now passed since the first symposium on frankiae was held at Harvard Forest, Petersham, Massachusetts, USA and the inauguration of the term actinorhiza. Many advances have been made during these five years in our understanding of the actinorhizal symbioses. Evidence for this was provided by the papers presented at the Wageningen Workshop on Frankia symbioses, held in Wageningen at the Department of Microbiology of the Agricultural University. Most of these papers are now published in this volume of PLANT AND SOIL. We kindly acknowledge the assistance of Anton Houwers, editor of the journal, in planning, reviewing and publishing these studies. Although the papers presented at Wageningen described the active research areas, they also illuminated those aspects of these symbioses which remain beyond our understanding. Primary among the areas of our ignorance is the concept of species within the bacterial symbiont, Frankia. At present groupings of bacterial strains are based on cell chemistry, physiology, serology, DNA homology and symbiotic capa bilities (cross-inoculation). When these classification schemes are merged no clear species framework is obtained. Undoubtedly part of the difficulty is due to a lack of strains for analysis. Currently bacterial strains from only half of the actinorhizal symbioses known to exist, have been isolated and studied in pure culture. We must postpone there fore any comprehensive taxonomic classification until a larger majority of the symbioses are represented. Another research area wherein our understanding is insufficient is host-symbiont interaction.…

Taschenbuch. Condizione: Neu. Druck auf Anfrage Neuware - Printed after ordering - For a long time microbial ecology has been developed as a distinct field with in Ecology. In spite of the important role of microorganisms in the environ ment, this group of 'invisible' organisms remained unaccessable to other ecologists. Detection and identification of microorganisms remain largely dependent on isolation techniques and characterisation of pure cultures. We now realise that only a minor fraction of the microbial community can be cultivated. As a result of the introduction of molecular methods, microbes can now be detected and identified at the DNA/RNA level in their natural environment. This has opened a new field in ecology: Molecular Microbial Ecology. In the present manual we aim to introduce the microbial ecologist to a selected number of current molecular techniques that are relevant in micro bial ecology. The first edition of the manual contains 33 chapters and an equal number of additional chapters will be added this year. Since the field of molecular ecology is in a continuous progress, we aim to update and extend the Manual regularly and will invite anyone to deposit their new protocols in full detail in the next edition of this Manual.…