N Nitrogen
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| Author | : Hugh S. Gorman |
| Publisher | : Rutgers University Press |
| Total Pages | : 261 |
| Release | : 2013-01-24 |
| Genre | : Nature |
| ISBN | : 081355439X |
In The Story of N, Hugh S. Gorman analyzes the notion of sustainability from a fresh perspective—the integration of human activities with the biogeochemical cycling of nitrogen—and provides a supportive alternative to studying sustainability through the lens of climate change and the cycling of carbon. It is the first book to examine the social processes by which industrial societies learned to bypass a fundamental ecological limit and, later, began addressing the resulting concerns by establishing limits of their own The book is organized into three parts. Part I, “The Knowledge of Nature,” explores the emergence of the nitrogen cycle before humans arrived on the scene and the changes that occurred as stationary agricultural societies took root. Part II, “Learning to Bypass an Ecological Limit,” examines the role of science and market capitalism in accelerating the pace of innovation, eventually allowing humans to bypass the activity of nitrogen-fixing bacteria. Part III, “Learning to Establish Human-Defined Limits,” covers the twentieth-century response to the nitrogen-related concerns that emerged as more nitrogenous compounds flowed into the environment. A concluding chapter, “The Challenge of Sustainability,” places the entire story in the context of constructing an ecological economy in which innovations that contribute to sustainable practices are rewarded.
| Author | : R. Nieder |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 434 |
| Release | : 2008-05-30 |
| Genre | : Science |
| ISBN | : 1402084331 |
Carbon and Nitrogen in the Terrestrial Environment is a comprehensive, interdisciplinary description of C and N fluxes between the atmosphere and the terrestrial biosphere; issues related to C and N management in different ecosystems and their implications for the environment and global climate change; and the approaches to mitigate emission of greenhouse gases. Drawing upon the most up-to-date books, journals, bulletins, reports, symposia proceedings and internet sources documenting interrelationships between different aspects of C and N cycling in the terrestrial environment, Carbon and Nitrogen in the Terrestrial Environment fills the gap left by most of the currently available books on C and N cycling. They either deal with a single element of an ecosystem, or are related to one or a few selected aspects like soil organic matter (SOM) and agricultural or forest management, emission of greenhouse gases, global climate change or modeling of SOM dynamics.
| Author | : Walter Hack |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 292 |
| Release | : 2013-06-29 |
| Genre | : Science |
| ISBN | : 3662063336 |
"Nitrogen" Suppt. Vol. B 1 describes the compounds of nitrogen with noble gases and, in the major part, binary compounds composed of one nitrogen atom and hydrogen. Nitrogen hydrogen compounds with two and more nitrogen atoms are covered in "Nitrogen" Suppt. Vol. 82. There is some information on various nitrogen-noble gas species, to a large extent because of the interest in their bonding behavior. Experimental data have been obtained chiefly for some singly charged cations, particularly those formed by argon Like ArN + and ArNi. The existence of others has only been established by mass spectrometry. The binary compounds of nitrogen and hydrogen comprise NH, NH , NH , NH , the corre 2 4 5 sponding ions, and some adducts. NH and NH1 are not treated. The predominant part 3 of the volume covers the description of the molecules NH and NH . 8oth species are present 2 in photolytic processes in the atmosphere. They play an essential role in combustion systems regardless of whether the nitrogen stems from the nitrogen-containing fuel or from the air. Thus, much work has been devoted to the understanding of the nitrogen chemistry in combustion and in the atmosphere. The production and detection methods as weiL as the reactions have been comprehensively described. ln addition detailed information is given on the spectral behavior, the knowledge of which is important for detecting the mole cules and for studying their kinetics.
| Author | : Bobi Martin |
| Publisher | : The Rosen Publishing Group, Inc |
| Total Pages | : 34 |
| Release | : 2017-12-15 |
| Genre | : Juvenile Nonfiction |
| ISBN | : 1680488260 |
From tiny organisms to plants and people, all living things need nitrogen. This engaging STEM resource introduces elementary school readers to the importance of the nitrogen cycle in clear, easy-to-follow text. Readers will learn why nitrogen is an essential nutrient for growth, where nitrogen is found, the important role legumes play in the nitrogen cycle, and more. Colorful illustrations and photographs add interest and additional information to each page. Compare and Contrast, Vocabulary, and Think About It sidebars support Common Core standards. This is a must-have book for any shelf.
| Author | : Reinhard Haubold |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 202 |
| Release | : 2013-04-17 |
| Genre | : Science |
| ISBN | : 3662063360 |
This volume deals with binary nitrogen-hydrogen compounds having two, three, or more nitrogen atoms (with the exception of hydrazine) and with compounds composed of nitrogen, hydrogen, and noble gases. The important species containing two nitrogen atoms, N2H, N2H+, N2H2, and N2H3 are described in the first part of this volume. Next, chains and cycles consisting of three nitrogen atoms are covered. Among them hydrogen azide or hydrozoic acid, HN3, is the most extensively studied nitrogen-hydrogen compound described in this volume. With increasing number of nitrogen atoms, the thermochmical stability declines. There is, however, a considerable amount of information on molecules with up to nine linked nitrogen atoms. Several of these binary nitrogen-hydrogen compounds could only be isolated in the form of organic derivatives. In that case, data available for the organic derivatives were included if they were characteristic for the particular unsubstituted N-H parent compound.
| Author | : E.G. Brown |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 252 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401149062 |
The nitrogen-containing ring structures are at the hub of metabolism and include ATP, nucleic acids, many coenzymes, metabolic regulators and integrators such as adenosine and GTP, signalling compounds such as cyclic nucleotides and plant cytokinins and biochemically functional pigmets of which haemoglobin, the cytochromes and chlorophyll are examples. This important book collates and integrates current knowledge of all the biologically important N-heterocyclic compounds, covering the relationship between their chemical structures and physiological functions within this key group of compounds. Few biochemical reaction sequences do not involve one of these compounds as a substrate, product or coenzyme and a full understanding of the interrelationship between their structure and function is vital for all those woorking in the field of biochemistry. Professor Eric Brown who has a huge wealth of experience in teaching and research on these compounds has written a very comprehensible and thorough book which will be of great value for advanced students and researchers in biochemistry and those at the interfacing subject areas of chemistry, biology and pharmacology including all those employed in researching biological function within pharmaceutical companies.
| Author | : Yash P. Abrol |
| Publisher | : Elsevier |
| Total Pages | : 570 |
| Release | : 2017-08-14 |
| Genre | : Science |
| ISBN | : 0128119047 |
The Indian Nitrogen Assessment: Sources of Reactive Nitrogen, Environmental and Climate Effects, and Management Options and Policies provides a reference for anyone interested in Reactive N, from researchers and students, to environmental managers. Although the main processes that affect the N cycle are well known, this book is focused on the causes and effects of disruption in the N cycle, specifically in India. The book helps readers gain a precise understanding of the scale of nitrogen use, misuse, and release through various agricultural, industrial, vehicular, and other activities, also including discussions on its contribution to the pollution of water and air. Drawing upon the collective work of the Indian Nitrogen Group, this reference book helps solve the challenges associated with providing reliable estimates of nitrogen transfers within different ecosystems, also presenting the next steps that should be taken in the development of balanced, cost-effective, and feasible strategies to reduce the amount of reactive nitrogen. Identifies all significant sources of reactive nitrogen flows and their contribution to the nitrogen-cycle on a national, regional, and global level Covers nitrogen management across sectors, including the environment, food security, energy, and health Provides a single reference on reactive nitrogen in India to help in a number of activities, including the evaluation, analysis, synthesis, documentation, and communications on reactive nitrogen
| Author | : Marvin James Shaffer |
| Publisher | : |
| Total Pages | : 22 |
| Release | : 1995 |
| Genre | : Nitrogen cycle |
| ISBN | : |
| Author | : Alan R. Townsend |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 295 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401146454 |
Inputs of nitrogen to terrestrial and aquatic ecosystems have increased several-fold over the last one hundred and fifty years, with the steepest increases during the last four decades. The expansion of fertilizer manu facture and use, the increase in fossil fuel combustion, the intensification of animal husbandry, and widespread cultivation of N2 fixing crops have all contributed to the dramatic increase in N inputs. The increase has been most rapid in Northern Hemisphere (NH) temperate ecosystems, but presently subtropical and tropical regions of Asia are also experiencing an explosive increase in N inputs to terrestrial ecosystems (W. Chameides, pers. comm. ; Galloway et al. 1996). Projected increases in N deposition for these trop ical and subtropical regions, with a high natural background of N inputs, exceed increases projected for temperate and arctic regions (Cleveland et al. submitted; Galloway et al. 1994; Holland & Lamarque 1997a). Compared to biological N fixation, N deposition is becoming a proportionately greater source of N to terrestrial and aquatic ecosystems worldwide (Vitousek et al. 1997). 6 The nitrogen contained in the atmosphere as N , 3. 9 * 10 Tg (Tg = 2 12 10 g), is the largest reservoir of N in the Earth system (Warneck 1988). However, this paper focuses on the nitrogen emissions and deposition that have been transformed from N2 into reactive forms that are biologically avail able (e. g. Vitousek et al. 1997).
| Author | : Elizabeth W. Boyer |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 520 |
| Release | : 2013-03-09 |
| Genre | : Science |
| ISBN | : 9401734054 |
This issue is the final report from the International SCOPE Project on Nitrogen Transport and Transformations: A Regional and Global Analysis. SCOPE (the Scientific Committee on Problems of the Environment, ICSU) authorized the Nitrogen Project as an 8-year effort between 1994 and 2002 because of the need to better understand how humans have altered nitrogen cyc1ing globally and at the scale of large regions. Human activity has more than doubled the rate of formation of reactive nitrogen on the land surface of the earth, and the nitrogen cyc1e continues to accelerate. The distribution of this reactive nitrogen is not uniform, though, and some regions such as Europe and Asia have seen massive increases in reactive nitrogen, while other regions have seen little change. The SCOPE Nitrogen Project has synthesized detailed information on the nature of the human alteration of the nitrogen cyc1e through aseries of workshops over the past 8 years. These cumulatively have involved over 250 of previous workshops scientists from over 20 different nations. The results have been published in aseries of special journal issues and reports that synthesize information on nitrogen in the North Atlantic Ocean and its water sheds (Howarth 1996), nitrogen cycling in Asia (Hong-Chi Lin et al. 1996; Mosier et al.
