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Book Scientific and Technical Aerospace Reports

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1966 with total page 1214 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Determination of Ultratrace Concentrations of Uranium and Thorium in Natural Waters by X ray Fluorescence

Download or read book Determination of Ultratrace Concentrations of Uranium and Thorium in Natural Waters by X ray Fluorescence written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An x-ray fluorescence method for the simultaneous determination of uranium and thorium at the less than 1 ppM level in natural waters is described. Uranium and thorium are coprecipitated with an internal standard, yttrium, and incorporated into an iron-aluminum hydroxide carrier. The hydroxide precipitate is filtered, and the filter disk is analyzed by the energy-dispersive x-ray fluorescence technique. Matrix interferences caused by the presence of unpredictable anions and cations are compensated for by the internal standard. The U/Y and Th/Y ratios are linear over the 5- to 100-.mu.g range of interest, and the detection limit of each element on the filter disk is 2 .mu.g (3 sigma). Relative standard deviation was 17% at the 15-.mu.g and 4% at the 100-.mu.g level for thorium and 11% at the 11-.mu.g and 2% at the 100-.mu.g level for uranium. Analysis of spiked solutions showed a recovery of 19.6 +- 0.3 .mu.g for uranium and 19.8 +- 0.3 .mu.g for thorium at the 20-.mu.g level, and the normal lower reporting limit is 5 .mu.g. Fifty disks can be routinely measured during a normal working day.

Book Fresh from the Farm 6pk

    Book Details:
  • Author : Rigby
  • Publisher :
  • Release : 2006
  • ISBN : 9781418914219
  • Pages : 0 pages

Download or read book Fresh from the Farm 6pk written by Rigby and published by . This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Kumba Africa

    Book Details:
  • Author : Sampson Ejike Odum
  • Publisher : iUniverse
  • Release : 2020-11-03
  • ISBN : 1663205043
  • Pages : 123 pages

Download or read book Kumba Africa written by Sampson Ejike Odum and published by iUniverse. This book was released on 2020-11-03 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: ‘KUMBA AFRICA’, is a compilation of African Short Stories written as fiction by Sampson Ejike Odum, nostalgically taking our memory back several thousands of years ago in Africa, reminding us about our past heritage. It digs deep into the traditional life style of the Africans of old, their beliefs, their leadership, their courage, their culture, their wars, their defeat and their victories long before the emergence of the white man on the soil of Africa. As a talented writer of rich resource and superior creativity, armed with in-depth knowledge of different cultures and traditions in Africa, the Author throws light on the rich cultural heritage of the people of Africa when civilization was yet unknown to the people. The book reminds the readers that the Africans of old kept their pride and still enjoyed their own lives. They celebrated victories when wars were won, enjoyed their New yam festivals and villages engaged themselves in seasonal wrestling contest etc; Early morning during harmattan season, they gathered firewood and made fire inside their small huts to hit up their bodies from the chilling cold of the harmattan. That was the Africa of old we will always remember. In Africa today, the story have changed. The people now enjoy civilized cultures made possible by the influence of the white man through his scientific and technological process. Yet there are some uncivilized places in Africa whose people haven’t tested or felt the impact of civilization. These people still maintain their ancient traditions and culture. In everything, we believe that days when people paraded barefooted in Africa to the swarmp to tap palm wine and fetch firewood from there farms are almost fading away. The huts are now gradually been replaced with houses built of blocks and beautiful roofs. Thanks to modern civilization. Donkeys and camels are no longer used for carrying heavy loads for merchants. They are now been replaced by heavy trucks and lorries. African traditional methods of healing are now been substituted by hospitals. In all these, I will always love and remember Africa, the home of my birth and must respect her cultures and traditions as an AFRICAN AUTHOR.

Book Chemical Composition of Rivers and Lakes

Download or read book Chemical Composition of Rivers and Lakes written by Daniel A. Livingstone and published by Palala Press. This book was released on 2018-03 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Book Index to Publications

Download or read book Index to Publications written by Geological Survey of Canada and published by . This book was released on 1975 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Materials Survey  Manganese  1950

Download or read book Materials Survey Manganese 1950 written by United States. Bureau of Mines and published by . This book was released on 1952 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Truth Is a Woman

    Book Details:
  • Author : Loren Jakobov
  • Publisher : Createspace Independent Publishing Platform
  • Release : 2017-09-12
  • ISBN : 9781548454883
  • Pages : 72 pages

Download or read book Truth Is a Woman written by Loren Jakobov and published by Createspace Independent Publishing Platform. This book was released on 2017-09-12 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Truth Is A Woman is a poetry collection by Loren Jakobov written in response to her friends tragic death in 2015 as a victim of rape and murder. The poems discuss the World from the eyes of a woman, the pain and the beauty that lies therein.

Book Elmer Again

Download or read book Elmer Again written by David McKee and published by . This book was released on 1991 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elmer, the patchwork elephant, plays an amusing trick on his grey elephant friends.