Elsevier bv mär 2002 (4 risultati)

Buch. Condizione: Neu. Neuware - This volume analyzes the dynamics and interactive processes among the players (individuals, institutions, and organizations/firms) that have constituted and legitimized the development of the biotechnology industries. The unit of analysis is small entrepreneurial firms developing biotechnological products and processes. What types of strategies are small entrepreneurs pursuing in order to create markets for their new products and processes, and how have specific strategies emerged The primary interest is the network process through which the technological field and the development of institutions and routines evolve and co-evolve. The theoretical contribution of the book is its focus on the development of the concept of networks. From being regarded as a relative static concept the book transforms the concept into a dynamic concept of networking. The dynamic view on the creation and development of new technologies through network formations is linked to the concept of strategy that is used throughout the book. Hence the strategies are developed along with the creation of technological knowledge, and it is hoped that the diffusion of this specific knowledge will bring new actors into the technological arena or community. This book will be useful to the academic community, those studying the formation of networks, strategic management, organizational behavior, and management of technology, as well as business observers with a specific interest in the evolution of the biotechnology industry.…

Buch. Condizione: Neu. Neuware - This volume provides a clear understanding of how microbes, following their degradative processes, contribute maximally to the benefit of mankind through biotransformations of waste materials as well as a wide variety of health-risk compounds.The book contains twenty four chapters contributed by leading scientists from different parts of the world, covering various aspects of bioremediation of xenobiotics such as toxic, carcinogenic, teratogenic, and mutagenic compounds, which include halogenated aromatics, derivatives of heavy metals, microbial toxins, tannins, dyes, sulfur compounds of coal and petroleum and pesticides. The bioremediation of agricultural residue, industrial as well as municipal wastes, fuel oils, lubricants, natural rubber products, and other synthetic polymers, which pollute the environment substantially, also constitutes an important component of the book. All biotechnological aspects of microbial transformations pertaining to biodegradation/bioremediation of hazardous wastes, ranging from screening methods for microbes with degradative potential, processes of degradation, strain improvement for enhanced biodegradation and elimination of xenobiotics of health and environmental concern have been dealt with. The book intends to widen the scope of Applied Microbiology and Biotechnology in general and biotransformations in particular. It will provide an opportunity for scientists in the areas of biochemistry, food industry, environmental science and engineering and their implications in technologically feasible, environment friendly and economically viable bioremediation options. Also, it forms an interface between agro-industrial establishments and the academic world and will generate new thought provoking ideas for scientists of future generations for the safeguard of both human and animal health as well as the environment.…

Buch. Condizione: Neu. Neuware - Chemical analysis moves from laboratory to places where samples to be analysed are located. This trend is aptly termed 'on-site analysis'. As the dictum says: 'from sample transfer to information transfer'. Owing to the ever increasing number of samples to be analysed, preliminary screening and selection of samples seems to be necessary, even in the laboratory. Rapid test methods of chemical analysis can solve both these tasks. This book is devoted to test methods that are widely used in environmental, industrial, clinical, forensic, medical, and other areas allowing a rapid, simple and cost-effective analysis - qualitative, semi-quantitative and quantitative to be performed by trained as well as non-trained personnel. Some general characteristic features of test methods and test systems are described in the book, e.g. definitions, advantages and limitations, chemical and physical principles of operation, procedures and protocols, and methodological aspects. Application of test methods in various areas is extensively overviewed, and the test means and test tools pertinent for solving each concrete analytical task are discussed, e.g. paper strips, indicator powders and tubes, tablets, etc. The most important applications of test methods, evidently, are: testing for inorganic and organic components in water (mostly for purposes of environmental control), monitoring of toxic gases and alcohol vapours, detection of narcotics and explosives, determination of glucose, cholesterol, and other components of medical importance.…

Buch. Condizione: Neu. Neuware - Wave evolution on a falling film is a classical hydrodynamic instability whose rich wave dynamics have been carefully recorded in the last fifty years. Such waves are known to profoundly affect the mass and heat transfer of multi-phase industrial units.This book describes the collective effort of both authors and their students in constructing a comprehensive theory to describe the complex wave evolution from nearly harmonic waves at the inlet to complex spatio-temporal patterns involving solitary waves downstream. The mathematical theory represents a significant breakthrough from classical linear stability theories, which can only describe the inlet harmonic waves and also extends classical soliton theory for integrable systems to real solitrary wave dynamics with dissipation. One unique feature of falling-film solitary wave dynamics, which drives much of the spatio-temporal wave evolution, is the irreversible coalescence of such localized wave structures. It represents the first full description of a hydrodynamic instability from inception to developed chaos. This approach should prove useful for other complex hydrodynamic instabilities and would allow industrial engineers to better design their multi-phase apparati by exploiting the deciphered wave dynamics. This publication gives a comprehensive review of all experimental records and existing theories and significantly advances state of the art on the subject and are complimented by complex and attractive graphics from computational fluid mechanics.…