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Author : ASTM Committee D-18 on Soils for Engineering Purposes
Publisher : ASTM International
Page : 113 pages
File Size : 51,6 Mb
Release : 1961
Category : Nuclear physics
ISBN : 8210379456XXX
Author : ASTM Committee D-18 Staff,ASTM Committee D-18 on Soils for Engineering Purposes
Publisher : Unknown
Page : 0 pages
File Size : 44,5 Mb
Release : 1961
Category : Nuclear physics
ISBN : 0803156790
Author : Robin P. Gardner,K. F. Roberts
Publisher : Unknown
Page : 56 pages
File Size : 47,7 Mb
Release : 1967
Category : Radioactive gages
ISBN : MINN:31951000497647I
Sources of error that have been identified on the gamma-ray soil density gauge are: (1) sensitivity to local density variations, especially at the soil surface, (2) sensitivity to soil composition, and (3) inaccurate calibration techniques. An attempt was made to solve these problems by developing for each gauge calibration models that enable stable and homogenous non-soil standards to be used for calibration. Calibration standards and calibration models for each gauge were found and tested. In the process of developing and testing the new nuclear gauge calibration model, the dual-gauge principal of compensating these gauges for variations in soil composition was discovered. The air-gap method of using this principal is explained and was optimized by using the calibration model developed in the current study.
Author : American Society for Testing Materials. Committee E-10 on Radioisotopes and Radiation Effects. Subcommittee III on Tracer Applications
Publisher : ASTM International
Page : 119 pages
File Size : 44,8 Mb
Release : 1960
Category : Nondestructive testing
ISBN : 8210379456XXX
Author : Anonim
Publisher : Unknown
Page : 1366 pages
File Size : 52,7 Mb
Release : 1965
Category : Agriculture
ISBN : CUB:U183021554551
Author : National Agricultural Library (U.S.)
Publisher : Unknown
Page : 532 pages
File Size : 43,5 Mb
Release : 1968
Category : Agriculture
ISBN : STANFORD:36105210271172
Author : C. S. Hughes
Publisher : Unknown
Page : 38 pages
File Size : 44,8 Mb
Release : 1962
Category : Asphalt concrete
ISBN : OSU:32435065776692
Author : United States. Environmental Protection Agency. Library Systems Branch
Publisher : Unknown
Page : 748 pages
File Size : 49,5 Mb
Release : 1974
Category : Environmental protection
ISBN : UCR:31210012859466
Author : B.D. Soane,C. van Ouwerkerk
Publisher : Elsevier
Page : 695 pages
File Size : 43,7 Mb
Release : 2013-10-22
Category : Technology & Engineering
ISBN : 9780080934006
This book provides a global review of the mechanisms, incidence and control measures related to the problems of soil compaction in agriculture, forestry and other cropping systems. Among the disciplines which relate to this subject are soil physics, soil mechanics, vehicle mechanics, agricultural engineering, plant physiology, agronomy, pedology, climatology and economics. The volume will be of great value to soil scientists, agricultural engineers, and all those involved with irrigation, drainage and tillage. It will help to facilitate the exchange of information on current work throughout the world, as well as to promote scientific understanding and stimulate the development, evaluation and adoption of practical solutions to these widespread and urgent problems.
Author : L. F. Ballard,Robin P. Gardner
Publisher : Unknown
Page : 46 pages
File Size : 40,8 Mb
Release : 1965
Category : Radioisotopes
ISBN : MINN:31951000007909O
Data is provided from an evaluation of the accuracy of the nuclear gages in comparison with the currently used non- nuclear methods of determining soil density and moisture content. The research study was principally theoretical in nature and was conducted in two parts with each part respectively considering density and moisture content. Two existing commercial gages were evaluated, and a nominal experimental program employing non-soil standards of known density and composition was conducted to verify the density results. The results of the moisture content study were checked against data in the literature.
Author : Anonim
Publisher : Allied Publishers
Page : 348 pages
File Size : 42,6 Mb
Release : 2024-06-30
Category : Electronic
ISBN : 8170237858
Author : Keith A. Smith
Publisher : CRC Press
Page : 650 pages
File Size : 44,9 Mb
Release : 2000-10-12
Category : Science
ISBN : 9780824745363
"Reviews a wide range of methods for soil physical analysis. Considers applications, accuracy, measurement time, and cost of equipment. Provides examples of applications."
Author : National Agricultural Library (U.S.)
Publisher : Unknown
Page : 536 pages
File Size : 41,5 Mb
Release : 1968
Category : Agriculture
ISBN : PSU:000051503116
Author : Anonim
Publisher : Unknown
Page : 1024 pages
File Size : 41,9 Mb
Release : 1969
Category : Isotopes
ISBN : OSU:32435022884340
Author : Anonim
Publisher : Unknown
Page : 1058 pages
File Size : 47,5 Mb
Release : 1963
Category : Highway engineering
ISBN : UCAL:$B789179
