The Fixation of Atmospheric Nitrogen: A Communication Made to the Cairo Scientific Society, January 3, 1919 (Classic Reprint) PDF Download
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Author: Frank Hughes
Publisher: Forgotten Books
ISBN: 9780484417341
Category : Science
Languages : en
Pages : 20
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Book Description
Excerpt from The Fixation of Atmospheric Nitrogen: A Communication Made to the Cairo Scientific Society, January 3, 1919 While there is no doubt that the final test of any fertilizer must always be made on the large scale in the field, still there is always a great deal of information to be obtained from experiments in pots, if these are carried out with sufficient care. In this country, in summer, one's choice of crops which are at all suitable for cultivation under these conditions is extremely limited, and indeed maize appears to be the only plant available. Owing to its very rapid growth it is evident that only those fertilizers which are of almost immediate availability will prove of value. This fact must be borne in mind when considering the results of the experiment now to be described. In comparing fertilizers which provide the same ingredient two courses are open. Either equal money values of the various manures may be applied and the increases in yield over a control plot compared, or equal weights of the particular constituent (e. G. Nitrogen) may be employed and the relative efficiency calculated from the results by comparing the increases brought about by the different manures with that obtained by some standard material, in this case nitrate of soda. In the present instance the latter course was adopted. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Frank Hughes
Publisher: Forgotten Books
ISBN: 9780484417341
Category : Science
Languages : en
Pages : 20
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Book Description
Excerpt from The Fixation of Atmospheric Nitrogen: A Communication Made to the Cairo Scientific Society, January 3, 1919 While there is no doubt that the final test of any fertilizer must always be made on the large scale in the field, still there is always a great deal of information to be obtained from experiments in pots, if these are carried out with sufficient care. In this country, in summer, one's choice of crops which are at all suitable for cultivation under these conditions is extremely limited, and indeed maize appears to be the only plant available. Owing to its very rapid growth it is evident that only those fertilizers which are of almost immediate availability will prove of value. This fact must be borne in mind when considering the results of the experiment now to be described. In comparing fertilizers which provide the same ingredient two courses are open. Either equal money values of the various manures may be applied and the increases in yield over a control plot compared, or equal weights of the particular constituent (e. G. Nitrogen) may be employed and the relative efficiency calculated from the results by comparing the increases brought about by the different manures with that obtained by some standard material, in this case nitrate of soda. In the present instance the latter course was adopted. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Frank Hughes
Publisher:
ISBN:
Category : Nitrification
Languages : en
Pages : 13
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Book Description
Author: Armada T. R. Weathers
Publisher: Palala Press
ISBN: 9781379266921
Category : History
Languages : en
Pages : 70
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Armada T R Weathers
Publisher: Palala Press
ISBN: 9781342157553
Category :
Languages : en
Pages : 70
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Joseph Knox
Publisher:
ISBN: 9781330798508
Category : Science
Languages : en
Pages : 138
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Book Description
Excerpt from The Fixation of Atmospheric Nitrogen In the following pages I have tried to give an account of the more important processes for the fixation of atmospheric nitrogen, and, more especially, of the theory on which they are based. No attempt has been made even to mention all the proposals regarding methods and apparatus to be found in the patent literature of recent years. The mere enumeration of these would almost occupy the space at my disposal, and in many cases there is no evidence that the proposed methods are in any way workable. I have, therefore, confined myself to those methods which are either in actual operation, or which show promise of assuming technical importance in the near future. I am indebted to the admirable consular report on The Utilisation of Atmospheric Nitrogen, by T. E. Norton, for some valuable information on the purely technical part of the subject. The report also contains an excellent account of the financial and commercial organisation of the various industries connected with the fixation of nitrogen. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Joseph Knox
Publisher: Legare Street Press
ISBN: 9781017898064
Category : History
Languages : en
Pages : 0
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Book Description
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Leland L. Summers
Publisher: Forgotten Books
ISBN: 9780666097446
Category : Science
Languages : en
Pages : 38
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Book Description
Excerpt from Fixation of Atmospheric Nitrogen Available Nitrogen in Commercial Products. The question of the available nitrogen in the various compounds has in a mea sure determined the price of the product, the utilization in the fertilizer art being practically the basis of fixing the price. For a number of years it has been assumed that the selling price of combined nitrogen would be from 12 cents to 13 cents a pound. Thus Chile saltpeter being about 95 per cent pure nitrate of soda would have a theoretical nitrogen content of about per cent or corrected for impurities would have about per cent nitrogen. As the cyanides until recently were not used directly in the fertilizer art and were combined with more expensive products, their price has not been regulated by. Their content of combined nitrogen. The ammonia used in the fertilizer art is almost entirely used as sulphate of ammonia, on account of the cheap ness of the commercial sulphuric acid and the ease of manu facture, and this product would therefore have a theoretical con tent of 21 per cent of nitrogen. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Armada T. R. Weathers
Publisher: Forgotten Books
ISBN: 9780483487345
Category : Science
Languages : en
Pages : 62
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Book Description
Excerpt from The Fixation of Atmospheric Nitrogen: A Thesis The two chief sources of the worlds supply of nitrogen are the Chilean nitre fields and the ammonia compounds from.the Monds process in the destructive distillation of coal. The latter source may increase rapidly from its present production of tons per year because of a larger demand for coke due to the increasing smoke prevention laws.the Chilean export in 1830 was about tons.in 1918 it reached the maximum of tons because of the greater needs because of the war. Geologists have figured that the nitre fields will be exhausted in a decade.the chemical industries require large quanities in the manufacture of nitric acid and ammonia.a much great er quanity is used as fertilizer.most Plants are unable to absorb the free inert molecular nitrogen of the atmosphere but can utalize it from such compounds as nitrates and ammonia. With the increased worlds population and there. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: William C. Buttner
Publisher:
ISBN: 9781332973378
Category : Science
Languages : en
Pages : 84
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Book Description
Excerpt from Test of a New Method for the Fixation of Atmospheric Nitrogen: A Thesis Would only supply the world for the next 120 years. Edstrom in his estimate of the fields does not expect the supply. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Ronald B. Hartzer
Publisher: U.S. Government Printing Office
ISBN:
Category : History
Languages : en
Pages : 846
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Book Description
"Leading the way describes how the men and women of Air Force civil engineering have provided the basing that enabled the Air Force to fly, fight, and win. This book depicts how engineers built hundreds of bases during World Wars I and II, Korea, Vietnam, the Gulf War, and Operations Enduring Freedom and Iraqi Freedom. At the same time, these engineers operated and maintained a global network of enduring, peacetime bases. It describes the engineers' role in special projects such as the ballistic missile program, the Arctic early warning sites, and construction of the U.S. Air Force Academy. Using hundreds of sources, this detailed narrative tells the story of how civil engineers have been organized, trained, equipped, and employed for more than 100 years. From the beaches of Normandy to the mountains of Afghanistan, civil engineers have forged an unmatched record of success and built a solid foundation for today's Air Force."--Back cover.
