Libros de ciencias, página 15 de 2686

Intertidal mudflats are distinct highly productive marine habitats which provide important ecosystem services to the land sea interface In contrast to other marine habitats and despite a large body of primary scientific literature no comprehensive synthesis exists such that the scattered knowledge base lacks an integrated conceptual framework We attempt to provide this synthesis by pulling together and contextualizing the different disciplines tools and approaches used in the study of intertidal mudflats The editor pays particular attention to relationships between the various components of the synthesis both at the conceptual and the operational levels validating these relationships through close interaction with the various authors

For nearly a quarter century Molecular Biology of the Cell has been the leading cell biology textbook. This tradition continues with the new Fifth Edition, which has been completely revised and updated to describe our current, rapidly advancing understanding of cell biology. To list but a few examples, a large amount of new material is presented on epigenetics; stem cells; RNAi; comparative genomics; the latest cancer therapies; apoptosis (now its own separate chapter); and cell cycle control and the mechanics of M phase (now integrated into one chapter).

In recent years, the field of pharmaceutical microbiology has experienced numerous technological advances, accompanied by the publication of new and harmonized compendial methods. It is therefore imperative for those who are responsible for monitoring the microbial quality of pharmaceutical/biopharmaceutical products to keep abreast of the latest changes. Microbial Limit and Bioburden Tests: Validation Approaches and Global Requirements guides readers through the various microbiological methods listed in the compendia with easy-to-follow diagrams and approaches to validations of such test methodologies. Includes New and Updated Material Now in its second edition, this work is the culmination of research and discussions with technical experts, as well as USP and FDA representatives on various topics of interest to the pharmaceutical microbiologist and those responsible for the microbial quality of products, materials, equipment, and manufacturing facilities. New in this edition is an entire chapter dedicated to the topic of biofilms and their impact on pharmaceutical and biopharmaceutical operations. The subject of rapid methods in microbiology has been expanded and includes a discussion on the validation of alternative microbiological methods and a case study on microbial identification in support of a product contamination investigation. Substantially updated and revised, this book assists readers in understanding the fundamental issues associated with pharmaceutical microbiology and provides them with tools to create effective microbial contamination control and microbial testing programs for the areas under their responsibility.

Voltage Stability is a relatively recent and challenging problem in Power Systems Engineering. It is gaining in importance as the trend of operating power systems closer to their limits continues to increase.Voltage Stability of Electric Power Systems presents a clear description of voltage instability and collapse phenomena. It proposes a uniform and coherent theoretical framework for analysis and covers state-of-the-art methods. The book describes practical methods that can be used for voltage security assessment and offers a variety of examples.

This reference book is unique in its kind, since it meticulously lists a vast variety of the extensive South American flora, in particular the one of Venezuela. Pharmacists, pharmacologists, toxicologists and botanists will find that this encyclopaedia is unprecedented in depth and detail. In an A-Z format, more than 80 plant families are covered. Botanical information as well as the chemical content of the individual species is given together with their specific use in traditional South American medicine. More than 250 detailed figures allow easy identification and the screening of plants of interest.

Interactions between plants and animals are incredibly diverse and complex and span terrestrial, atmospheric and aquatic environments. The last decade has seen the emergence of a vast quantity of data on the subject and there is now a perceived need among both teachers and undergraduate students for a new textbook that incorporates the numerous recent advances made in the field. The book is intended for use by advanced level undergraduate and beginning graduate students, taking related courses in wider ecology degree programmes.

Evapotranspiration in Agro Ecosystems and Forestry Spatio temporal Applications presents the progress and advances made in terms of science and application of evaporation transpiration and evapotranspiration for various vegetation surfaces water bodies and bare soil under different soil and crop management including different irrigation and tillage management conditions Sections on forest and wetlands evapotranspiration and grassland evaporative losses are included as are the fundamentals of original Penman Penman Monteith Shuttleworth Wallace and ASCE EWRI and FAO56 Penman Monteith equations and their derivatives The book is an excellent resource to better understand the progression and applications and dynamics of most recent evapotranspiration evaporation and transpiration measurement and modeling technologies Case studies will be provided in terms of how different technologies are currently deployed how data are used for providing information and management decisions to the users

Lidar principles,processing and applications forest ecology es un libro del autor Guo editado por ACADEMIC PRESS. Lidar principles,processing and applications forest ecology tiene un código de ISBN 9

Essential Minerals in Plant Soil Systems Coordination Signaling and Interaction under Adverse Situations is the first book to encompass these key aspects of plant science biochemistry soil science and fertilizer development in a single volume Describing the micro and macronutrients in the plant soil system with the help of suitable illustrations the book connects all the pieces enabling comprehensive and connected understanding Sections cover recent advances in the understanding of how plants coordinate the acquisition transport signaling and interaction and cross talks between macro and micro nutrients in adverse environmental situations This book is a valuable reference for those putting research into practice in addressing stress situations as well as providing important foundational insights for further research

The first edition, published in 1973, has become a classic reference in the field. Now with the second edition, readers will find information on key new topics such as neural networks and statistical pattern recognition, the theory of machine learning, and the theory of invariances. Also included are worked examples, comparisons between different methods, extensive graphics, expanded exercises and computer project topics. An Instructor''s Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department.

La ciencia es un delicado y complejo equilibrio entre lo experimental y lo teórico, entre las observaciones que realizamos y los sistemas lógico-simbólicos que construimos para relacionar todo aquello que medimos en la naturaleza. No hay ciencia sin observaciones, sin experimentos. Y sin embargo, son las teorias, y los teoricos los que mas atencion y popularidad consiguen. Precisamente por esto son necesarios libros como el de Robert Crease, El prisma y el pendulo, en el que se presentan y explican con claridad y situandolos en su contexto cientifico e historico, diez de los experimentos mas importantes de la historia de la fisica; diez experimentos, ademas, bellos. Van estos desde el que empleo en el siglo III a. de C. Eratostenes para medir la circunferencia de la Tierra, hasta los de interferencia cuantica de electrones que muestran con particular dramatismo la famosa dualidad onda-corpusculo, pasando por otros como los que Galileo supuestamente realizo en la torre inclinada de Pisa, la descomposicion de los rayos de luz en colores que Newton produjo con el sencillo recurso de un prisma, la puesta en evidencia de la rotacion de la Tierra mediante en pendulo de Foucault, o los que diseño Rutherford y que le sirvieron para demostrar que los atomos tenian una estructura planetaria. Intercaladas entre los capitulos dedicados a estos experimentos, se encuentran unas exquisitas y apropiadas reflexiones de Crease que ayudaran a los lectores a comprender mejor que es la ciencia.

Buceando en las nuevas evidencias que ha dejado la descodificación del genoma humano, el periodista científico Nicholas Wade nos adentra en las bases genéticas de la raza y su rol fundamental en la historia de la humanidad.Pocas ideas han sido mas perniciosas que aquellas que afirman que hay razas inherentemente superiores a otras. Por esa razon, el debate sobre las diferencias biologicas entre razasha sido completamente proscrito del ambito cientifico. La evolucion humana, se insiste desde un inusitado consenso, acabo en la prehistoria.No obstante, el consenso parece ser erroneo. Wade demuestra a lo largo de este libro que la evolucion humana siguio su curso, que el aislamiento en el que han vivido las distintas poblaciones a lo largo de los siglos ha propiciado ese desarrollo y que existen distinciones, divergencias, en el comportamiento y por tanto en las sociedades mismas. Que, en consecuencia, atributos como el ahorro, el pacifismo, o la alfabetizacion, propios de las clases medias, han sido lentamente inoculados geneticamente desde la poblacion agraria, culminado en la Revolucion Industrial y la emergencia de las sociedades modernas.Rechazando sin ambages la nocion de superioridad racial, este libro demuestra como nuestra informacion genetica contiene una informacion vital para entender nuestra historia y las sociedades que la integran, y que la mejor forma de servir al interes publico es buscando incesantemente sin miedo la verdad cientifica.

This important and exciting title represents the first authoritative volume focussed on pelagic (open ocean) sharks as a group. Virtually every pelagic shark expert in the world has contributed to this landmark publication which includes the latest data and knowledge on pelagic shark biology, fisheries, management, and conservation. Pelagic sharks face unprecedented levels of exploitation in all the world's oceans through both direct fisheries and by-catch, and effective management for these species is contingent upon solid science and data, which this book brings together for the first time. All those involved in shark biology will need to have a copy of this book.

Neglected and Underutilized Crops Future Smart Food explores future food crops with climate resilience potential Sections cover their botany nutritional significance global distribution production technology and tolerance to biotic and abiotic stresses of neglected and underutilized crops By simply changing species in a crop rotation system the cycle of some pests and diseases is disrupted and probabilities of infestations are reduced Finally the book provides case studies that highlight where the adaptation of crops to local environments especially with regard to climate change have been successful These crops can help make agricultural production systems more resilient to climate change Although a few books on neglected and underutilized crops are available this comprehensive book covers the full scope of crop husbandry nutritional significance and global distribution