Author : Han L. Golterman
Publisher : Springer Science & Business Media
Page : 270 pages
File Size : 16,75 MB
Release : 2007-05-08
Category : Science
ISBN : 1402025165
This book deals with the processes behind cycles of the phosphate and nitrogen compounds in sediment and the phosphate equilibria between the sediment and the overlying water. In most waters, excessive concentrations of these compounds causes eutrophication: rapid, choking growth of algae. The chapters of this book probe the chemicals involved in considerable detail, and offer the complete understanding needed to remediate or prevent pollution problems.
Author : D. E. C. Corbridge
Publisher : Elsevier Science & Technology
Page : 586 pages
File Size : 39,10 MB
Release : 1980
Category : Science
ISBN :
Author : H Allcock
Publisher : Elsevier
Page : 513 pages
File Size : 36,25 MB
Release : 2012-12-02
Category : Science
ISBN : 0323147518
Phosphorus-Nitrogen Compounds: Cyclic, Linear, and High Polymeric Systems concerns itself with the chemistry of compounds containing alternating phosphorus - nitrogen atoms in the skeleton. The monograph aims to be an introduction to phosphorus-nitrogen chemistry, a review of advances in the field, and reference work. The text is divided into three parts. Part I covers the introduction, historical background, and nomenclature of phosphorus-nitrogen compounds and the theories in bonding and structure of phosphazenes and phosphazanes. Part II deals with reactions such as the synthesis of the phosphorus-nitrogen skeleton, hydrolysis of phosphazenes and phosphazanes, and the aminolysis of halophosphazenes. Part III discusses polymer chemistry and includes topics such as polymerization, depolymerization, and phosphazene polymers. The book is recommended for students and practitioners in the field of chemistry, especially those concerned with phosphorus nitrogen compounds and polymeric systems.
Author : Kolio D. Troev
Publisher : Academic Press
Page : 465 pages
File Size : 44,55 MB
Release : 2017-09-06
Category : Science
ISBN : 0128138351
Reactivity of P-H Group of Phosphorus Based Compounds bridges the gap between inorganic and organic phosphorus compounds, providing a basis to explore the myriad possibilities for synthesis of novel low and high molecular phosphorus-containing compounds. It covers well-documented reactions in detail, including: tautomerization, oxidation, reduction, alkylation, oxidation coupling, addition reaction to: carbon-carbon multiple bonds, Schiff base, isocyanates, nitriles, epoxides; addition to carbonyl group, Kabachnik- Fields reaction, cross-coupling reaction and more. In an accessible style complete with synthetic routes and figures, the resource then covers the reactivity of multiple P-H group members: phosphines, phosphine oxides, hypophosphorus acid, H-phosphinic acids and polys(alkylene H-phosphonate). This valuable coverage supports the advancement of research and applications in this area for scientists solving a scientific problem or starting a variety of new projects, such as a new reaction for the synthesis of biologically active compounds, new methods of polymer synthesis or a new methodology for polymer modification. - Describes the diverse reactivity of the phosphorus-hydrogen group, perhaps the most powerful in organic chemistry - Includes practical information for the synthesis of catalysts, biologically active substances, flame retardants, advance materials and polymer materials - Offers a visually-accessible guide to important reactions by an internationally recognized chemist
Author : Edward J. Carpenter
Publisher : Elsevier
Page : 919 pages
File Size : 31,7 MB
Release : 2013-10-22
Category : Science
ISBN : 1483288293
Nitrogen in the Marine Environment provides information pertinent to the many aspects of the nitrogen cycle. This book presents the advances in ocean productivity research, with emphasis on the role of microbes in nitrogen transformations with excursions to higher trophic levels. Organized into 24 chapters, this book begins with an overview of the abundance and distribution of the various forms of nitrogen in a number of estuaries. This text then provides a comparison of the nitrogen cycling of various ecosystems within the marine environment. Other chapters consider chemical distributions and methodology as an aid to those entering the field. This book discusses as well the enzymology of the initial steps of inorganic nitrogen assimilation. The final chapter deals with the philosophy and application of modeling as an investigative method in basic research on nitrogen dynamics in coastal and open-ocean marine environments. This book is a valuable resource for plant biochemists, microbiologists, aquatic ecologists, and bacteriologists.
Author : A. Richard Horrocks
Publisher : Woodhead Publishing
Page : 456 pages
File Size : 22,47 MB
Release : 2001-02-16
Category : Technology & Engineering
ISBN : 9781855734197
"This authoritative reference work will provide a comprehensive source of information for readers concerned with the highly diverse subject of fire retardance. The emphasis is on the burning behaviour and flame retarding properties of polymeric materials. It covers combustion, flame retardants, smoke and toxic products generally and goes on to concentrate on more material-specific aspects of combustion in relation to textiles, composites and bulk polymers. A wide range of fire retardant materials are covered including research in the new field of nanocomposites."--Knovel.
Author : D.E.C. Corbridge
Publisher : CRC Press
Page : 1476 pages
File Size : 50,87 MB
Release : 2013-01-07
Category : Science
ISBN : 1439840881
Over two decades have passed since the fifth edition of Phosphorus: Chemistry, Biochemistry and Technology. Major advances in chemistry, materials science, electronics, and medicine have expanded and clarified the role of phosphorus in both our everyday appliances and groundbreaking research. Significantly expanded, updated, and reorganized, this sixth edition organizes and explains vital phosphorus research and relevant information available in highly specialized reviews and references on select related topics. An authoritative and comprehensive review of phosphorus chemistry and related technology, Phosphorus: Chemistry, Biochemistry and Technology covers historical, academic, industrial, agricultural, military, biological, and medical aspects of phosphorous. Furthermore, it offers a starting point for more extended studies of the highly specialized branches of phosphorus chemistry. Although this book deals with a small fraction of the > 106 known phosphorus compounds, it thoroughly covers the simpler derivatives and most key compounds of economic, sociological, and biological importance. Extensively updated and expanded with tables, figures, equations, structural formulae, and references, it is ideal for scientists in related fields seeking a rapid introduction to phosphorus chemistry.
Author : National Research Council
Publisher : National Academies Press
Page : 422 pages
File Size : 10,16 MB
Release : 2000-08-17
Category : Science
ISBN : 0309069483
Environmental problems in coastal ecosystems can sometimes be attributed to excess nutrients flowing from upstream watersheds into estuarine settings. This nutrient over-enrichment can result in toxic algal blooms, shellfish poisoning, coral reef destruction, and other harmful outcomes. All U.S. coasts show signs of nutrient over-enrichment, and scientists predict worsening problems in the years ahead. Clean Coastal Waters explains technical aspects of nutrient over-enrichment and proposes both immediate local action by coastal managers and a longer-term national strategy incorporating policy design, classification of affected sites, law and regulation, coordination, and communication. Highlighting the Gulf of Mexico's "Dead Zone," the Pfiesteria outbreak in a tributary of Chesapeake Bay, and other cases, the book explains how nutrients work in the environment, why nitrogen is important, how enrichment turns into over-enrichment, and why some environments are especially susceptible. Economic as well as ecological impacts are examined. In addressing abatement strategies, the committee discusses the importance of monitoring sites, developing useful models of over-enrichment, and setting water quality goals. The book also reviews voluntary programs, mandatory controls, tax incentives, and other policy options for reducing the flow of nutrients from agricultural operations and other sources.
Author : Pedro A. Sanchez
Publisher : Cambridge University Press
Page : 685 pages
File Size : 40,18 MB
Release : 2019-01-10
Category : Business & Economics
ISBN : 1107176050
Long-awaited second edition of classic textbook, brought completely up to date, for courses on tropical soils, and reference for scientists and professionals.
Author : Stefan Schmutz
Publisher : Springer
Page : 562 pages
File Size : 41,28 MB
Release : 2018-05-08
Category : Science
ISBN : 3319732501
This open access book surveys the frontier of scientific river research and provides examples to guide management towards a sustainable future of riverine ecosystems. Principal structures and functions of the biogeosphere of rivers are explained; key threats are identified, and effective solutions for restoration and mitigation are provided. Rivers are among the most threatened ecosystems of the world. They increasingly suffer from pollution, water abstraction, river channelisation and damming. Fundamental knowledge of ecosystem structure and function is necessary to understand how human acitivities interfere with natural processes and which interventions are feasible to rectify this. Modern water legislation strives for sustainable water resource management and protection of important habitats and species. However, decision makers would benefit from more profound understanding of ecosystem degradation processes and of innovative methodologies and tools for efficient mitigation and restoration. The book provides best-practice examples of sustainable river management from on-site studies, European-wide analyses and case studies from other parts of the world. This book will be of interest to researchers in the field of aquatic ecology, river system functioning, conservation and restoration, to postgraduate students, to institutions involved in water management, and to water related industries.
