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Author : Russell F. Christman,Egil T. Gjessing
Publisher : Ann Arbor Science Publishers
Page : 556 pages
File Size : 52,8 Mb
Release : 1983
Category : Science
ISBN : UCSD:31822010044774
Author : Bert Allard,Hans Borén
Publisher : Springer
Page : 536 pages
File Size : 50,6 Mb
Release : 1991
Category : Humic acid
ISBN : UCSD:31822005676234
Author : Bert Allard,Hans Boren,Anders Grimvall
Publisher : Unknown
Page : 532 pages
File Size : 49,8 Mb
Release : 2014-01-15
Category : Electronic
ISBN : 3662198827
Author : E.M. Thurman
Publisher : Springer Science & Business Media
Page : 524 pages
File Size : 54,7 Mb
Release : 1985-04-30
Category : Science
ISBN : 9024731437
This book is written as a reference on organic substances in natural waters and as a supplementary text for graduate students in water chemistry. The chapters address five topics: amount, origin, nature, geochemistry, and characterization of organic carbon. Of these topics, the main themes are the amount and nature of dissolved organic carbon in natural waters (mainly fresh water, although seawater is briefly discussed). It is hoped that the reader is familiar with organic chemistry, but it is not necessary. The first part of the book is a general overview of the amount and general nature of dissolved organic carbon. Over the past 10 years there has been an exponential increase in knowledge on organic substances in water, which is the result of money directed toward the research of organic compounds, of new methods of analysis (such as gas chromatography and mass spectrometry), and most importantly, the result of more people working in this field. Because of this exponential increase in knowledge, there is a need to pull together and summarize the data that has accumulated from many disciplines over the last decade.
Author : A. Piccolo
Publisher : Elsevier
Page : 675 pages
File Size : 55,6 Mb
Release : 1996-06-07
Category : Science
ISBN : 0080534236
This book highlights the increasing importance of humic substances in the different scientific fields related to terrestrial ecology, soil quality conservation, and environmental chemistry. It shows that modern humic substances research is not only directed to unravel their yet ill-defined chemical structure but is successfully exploring the interconnected chemical, biological, and physical processes that maintain the ecological equilibrium of soil and ensure a sustainable agricultural production. The book will primarily be of interest to soil scientists and to ecological and environmental scientists. People in the fields of forest science, agronomy, analytical and environmental chemistry, water science, environmental engineering, and coal science will also find this publication worthy of their attention.
Author : Dag Hessen,Lars J. Tranvik
Publisher : Springer Science & Business Media
Page : 350 pages
File Size : 42,6 Mb
Release : 2013-03-09
Category : Science
ISBN : 9783662037362
Humic substances occur in all kinds of aquatic systems, but are particularly important in northern, coniferous areas. They strongly modify the aquatic ecosystems and also constitute a major problem in the drinking water supply. This volume covers all aspects of aquatic humic substances, from their origin and chemical properties, their effects on light and nutrient regimes and biogeochemical cycling, to their role regarding organisms, productivity and food web organization from bacteria to fish. Special emphasis is paid to carbon cycling and food web organization in humic lakes, but aspects of marine carbon cycling related to humus are treated as well.
Author : Bert Allard,Hans Boren,Anders Grimvall
Publisher : Springer
Page : 519 pages
File Size : 42,9 Mb
Release : 1991-02-26
Category : Science
ISBN : 3540537023
The state of the art on isolation techniques, ion binding theory, biologic activity in the aquatic environment as well as the formation of mutagenic compounds from chlorination is reviewed by worldwide-known experts. Additional papers describe current research on the topics: isolation, fractionation and characterization; biological and chemical transformation and degradation; complex formation and interactions with solids; biologic activity, halogenation of humic substances.
Author : Christian Steinberg
Publisher : Springer Science & Business Media
Page : 441 pages
File Size : 49,9 Mb
Release : 2013-11-11
Category : Science
ISBN : 9783662068151
Humic Substances color all waters more or less brown. Their concentrations exceed all carbon of living organisms by at least one order of magnitude. Opposite to former paradigms, they participate in almost any metabolic pathway. They protect against UV-irradation, enable indirect photolysis and, thus, purify hazardous chemicals, they provide inorganic and organic nutrients, may form cryptic genes with DNA and dampen metabolic fluctuations. More recently they can increase adverse effects of hazardous chemicals and they can directly interfere with organisms. The book tries to relate effects to structural features.
Author : Kim H. Tan
Publisher : CRC Press
Page : 495 pages
File Size : 46,6 Mb
Release : 2014-06-10
Category : Science
ISBN : 9781482234466
The field of humic matter research has undergone drastic changes in concepts and principles since the first edition of Humic Matter in Soil and the Environment: Principles and Controversies was published more than a decade ago. Still the only book of its kind specifically addressing humic acid principles and controversies, the Second Edition presen
Author : F. H. Frimmel
Publisher : Unknown
Page : 296 pages
File Size : 41,9 Mb
Release : 1988-04-25
Category : Science
ISBN : UOM:39015013231975
Very Good,No Highlights or Markup,all pages are intact.
Author : Philip E. Pfeffer,Walter V. Gerasimowicz
Publisher : CRC Press
Page : 454 pages
File Size : 47,9 Mb
Release : 1989-04-30
Category : Technology & Engineering
ISBN : 0849368642
This informative publication presents the broad application of nuclear magnetic resonance to many of today's problem areas in agriculture. Solid-state NMR methodology is covered, with its applications to the study of intact agricultural matrices such as plant cell walls, photosynthetic chloroplast membranes, forages, wood cellulose, and soils. In vivo solution NMR methodology and its applications to the study of different functioning plant tissues and their biochemical responses to various pathological, physiological, and toxicological stresses are illustrated with examples using 31P, 13C, 23Na, and 15N resonance methods. An introductory chapter presents a review of the in vivo literature and some basic principles and requirements for carrying out such experiments. A special section focuses on state-of-the-art 13C and 1H high-resolution multidimensional methods and their application to the study of agricultural toxins; biologically active components, including their structures and biosyntheses, and dynamic measurements of relaxation phenomena associated with cross relaxation in water bound to food proteins.
Author : M. Schnitzer,Shahamat U. Khan
Publisher : Unknown
Page : 342 pages
File Size : 41,7 Mb
Release : 1972
Category : Technology & Engineering
ISBN : MINN:31951000015245G
Author : I. H. Suffet,Patrick MacCarthy
Publisher : Unknown
Page : 908 pages
File Size : 40,5 Mb
Release : 1989
Category : Language Arts & Disciplines
ISBN : UOM:39015016107099
Here is a cohesive compilation of recent research results into the many aspects of water purification. Major sections cover the characterization and environmental impact of aquatic humic substances, their reactions in natural water and sediments, and their influences on water treatment. Topics examined include hazardous waste chemicals, water solubility enhancement, sorption, metal speciation, and photochemistry. Specific types of treatment processes are also described.
Author : Paula G. Coble
Publisher : Cambridge University Press
Page : 407 pages
File Size : 46,6 Mb
Release : 2014-07-14
Category : Science
ISBN : 9780521764612
A core text on principles, laboratory/field methodologies, and data interpretation for fluorescence applications in aquatic science, for advanced students and researchers.
Author : Stuart Findlay,Robert L. Sinsabaugh
Publisher : Academic Press
Page : 534 pages
File Size : 42,6 Mb
Release : 2003
Category : Nature
ISBN : 9780122563713
Overviews of the source, supply and variability of DOM, surveys of the processes that mediate inputs to microbial food webs, and syntheses consolidating research findings provide a comprehensive review of what is known of DOM in freshwater. This book will be important to anyone interested in understanding the fundamental factors associated with DOM that control aquatic ecosystems."--BOOK JACKET.