Bioindicators for Assessing Ecological Integrity of Prairie Wetlands PDF Download
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Author: Paul R. Adamus
Publisher:
ISBN:
Category : Biodiversity conservation
Languages : en
Pages : 224
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Book Description
Author: Paul R. Adamus
Publisher:
ISBN:
Category : Biodiversity conservation
Languages : en
Pages : 224
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Book Description
Author: Alex Lidow
Publisher: John Wiley & Sons
ISBN: 1119594421
Category : Science
Languages : en
Pages : 518
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Book Description
An up-to-date, practical guide on upgrading from silicon to GaN, and how to use GaN transistors in power conversion systems design This updated, third edition of a popular book on GaN transistors for efficient power conversion has been substantially expanded to keep students and practicing power conversion engineers ahead of the learning curve in GaN technology advancements. Acknowledging that GaN transistors are not one-to-one replacements for the current MOSFET technology, this book serves as a practical guide for understanding basic GaN transistor construction, characteristics, and applications. Included are discussions on the fundamental physics of these power semiconductors, layout, and other circuit design considerations, as well as specific application examples demonstrating design techniques when employing GaN devices. GaN Transistors for Efficient Power Conversion, 3rd Edition brings key updates to the chapters of Driving GaN Transistors; Modeling, Simulation, and Measurement of GaN Transistors; DC-DC Power Conversion; Envelope Tracking; and Highly Resonant Wireless Energy Transfer. It also offers new chapters on Thermal Management, Multilevel Converters, and Lidar, and revises many others throughout. Written by leaders in the power semiconductor field and industry pioneers in GaN power transistor technology and applications Updated with 35% new material, including three new chapters on Thermal Management, Multilevel Converters, Wireless Power, and Lidar Features practical guidance on formulating specific circuit designs when constructing power conversion systems using GaN transistors A valuable resource for professional engineers, systems designers, and electrical engineering students who need to fully understand the state-of-the-art GaN Transistors for Efficient Power Conversion, 3rd Edition is an essential learning tool and reference guide that enables power conversion engineers to design energy-efficient, smaller, and more cost-effective products using GaN transistors.
Author: Andrew J. Hansen
Publisher: Springer Science & Business Media
ISBN: 1461228042
Category : Technology & Engineering
Languages : en
Pages : 462
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Book Description
The emergence of landscape ecology during the 1980s represents an impor tant maturation of ecological theory. Once enamored with the conceptual beauty of well-balanced, homogeneous ecosystems, ecologists now assert that much of the essence of ecological systems lies in their lumpiness. Patches with differing properties and behaviors lie strewn across the land scape, products of the complex interactions of climate, disturbance, and biotic processes. It is the collective behavior of this patchwork of eco systems that drives pattern and process of the landscape. is not an end point This realization of the importance of patch dynamics in itself, however. Rather, it is a passage to a new conceptual framework, the internal workings of which remain obscure. The next tier of questions includes: What are the fundamental pieces that compose a landscape? How are these pieces bounded? To what extent do these boundaries influence communication and interaction among patches of the landscape? Will con sideration of the interactions among landscape elements help us to under stand the workings of landscapes? At the core of these questions lies the notion of the ecotone, a term with a lineage that even predates ecosystem. Late in the nineteenth century, F. E. Clements realized that the transition zones between plant communi ties had properties distinct from either of the adjacent communities. Not until the emergence of patch dynamics theory, however, has central signif icance of the ecotone concept become apparent.
Author: Gerhart Friedlander
Publisher:
ISBN:
Category : Nuclear chemistry
Languages : en
Pages : 0
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Author: Simon J. Yu
Publisher: CRC Press
ISBN: 1420059769
Category : Science
Languages : en
Pages : 294
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Book Description
The first book in two decades to address this multi-faceted field, The Toxicology and Biochemistry of Insecticides provides the most up-to-date information on insecticide classification, formulation, mode of action, resistance, metabolism, environmental fate, and regulatory legislation. The book draws on the author's groundbreaking research
Author: United States. Congress. Senate. Committee on Finance. Subcommittee on Public Assistance
Publisher:
ISBN:
Category : Economic assistance, Domestic
Languages : en
Pages : 212
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Book Description
Author:
Publisher:
ISBN:
Category : Military art and science
Languages : en
Pages : 340
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Book Description
Author: Walter Mertz
Publisher:
ISBN:
Category : Medical
Languages : en
Pages : 466
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Book Description
Author:
Publisher:
ISBN:
Category : Aquatic ecology
Languages : en
Pages : 176
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Book Description
Author: Billy Collins
Publisher: Random House Trade Paperbacks
ISBN: 0812968875
Category : Poetry
Languages : en
Pages : 354
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Book Description
A dazzling new anthology of 180 contemporary poems, selected and introduced by America’s Poet Laureate, Billy Collins. Inspired by Billy Collins’s poem-a-day program with the Library of Congress, Poetry 180 is the perfect anthology for readers who appreciate engaging, thoughtful poems that are an immediate pleasure. A 180-degree turn implies a turning back—in this case, to poetry. A collection of 180 poems by the most exciting poets at work today, Poetry 180 represents the richness and diversity of the form, and is designed to beckon readers with a selection of poems that are impossible not to love at first glance. Open the anthology to any page and discover a new poem to cherish, or savor all the poems, one at a time, to feel the full measure of contemporary poetry’s vibrance and abundance. With poems by Catherine Bowman, Lucille Clifton, Billy Collins, Dana Gioia, Edward Hirsch, Galway Kinnell, Kenneth Koch, Philip Levine, Thomas Lux, William Matthews, Frances Mayes, Paul Muldoon, Naomi Shihab Nye, Sharon Olds, Katha Pollitt, Mary Jo Salter, Charles Simic, David Wojahn, Paul Zimmer, and many more.
