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Overview of Industrial Materials Detection Based on Prompt Gamma Neutron Activation Analysis Technology
2020
World Journal of Engineering and Technology
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With its unique advantages, it has been widely used in online analysis of industrial materials such as coal, cement, and minerals in recent years. ...
by consulting a large number of domestic and foreign PGNAA related literature and data, to facilitate the reference of relevant scientific researchers. ...
Dep et al. made further research on this basis, using pulsed neutron generator and BGO detector to realize the online analysis of major and minor elements in coal. The results
In 1999, R. ...
doi:10.4236/wjet.2020.83030
fatcat:ebycmttpr5ghdetb7kgrm3k7ky
PFTNA logging tools and their contributions to in-situ elemental analysis of mineral boreholes
2015
TOS forum
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For some time, pulsed neutron generators have been widely used for oil logging. ...
A neutron pulse generator from Sodern has been used on the basis of it being proven long life technology. ...
doi:10.1255/tosf.54
fatcat:7rxmddlvszapfgouczbf2tgdpy
Development and Validation of a Novel Interpretation Algorithm for Enhanced Resolution of Well Logging Signals
2021
Journal of Sensors
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This work presents a novel algorithm that achieves enhanced resolution of well logging signals, e.g., from 1 ft of a pulsed neutron mineralogy tool to 0.04 ft of an imaging tool. ...
Therefore, by using a high-resolution image log to determine the proportion of each lithological component, their composition can be determined from the mineralogy log data. ...
This work is funded by research funds from the University of Electronic Science and Technology of China. ...
doi:10.1155/2021/6610806
fatcat:ztank6cxvffzrner6nzqw5ld5y
Medical Applications of 14 MeV Neutrons
[chapter]
2015
14 MeV Neutrons
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Fields of applications of neutron generators are listed in Table 1 .1. e major eld of application is materials analysis, namely, elemental analysis. ...
isotopic sources, as well as d + t or d + d generators. is can also be done using a pulsed generator that allows for the measurement of both prompt capture and decay gammas. is is sometimes combined with ...
doi:10.1201/b18837-12
fatcat:gwxqpadcangm3afeuyvtewy7ii
Material Analysis Using Characteristic Gamma Rays Induced by Neutrons
[chapter]
2012
Gamma Radiation
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Pulsed fast / thermal neutron analysis The Pulsed Fast/Thermal Neutron Analysis (PFTNA) is a technique used in conjunction with small, portable electronic neutron generators. ...
Pulsed neutron sources can be used in PGNAA systems. However, using pulsing neutron generators without taking advantage of the pulsing mechanism is not efficient. ...
doi:10.5772/36372
fatcat:nreeqnkfx5e3lobkzw26nh2vti
Application of Thermal Neutron Imaging System in Oil & Gas Field development
2019
IOP Conference Series: Earth and Environment
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In the processing, interpretation and evaluation of thermal neutron imaging logging data, the interpretation model, parameters and criteria are established according to the geological characteristics of ...
The advantage of TNIS is that it can record a large number of formation information through multiple detectors to obtain imaging documents, allowing intuitive quantitative analysis of formation, and calculate ...
project of coalbed methane in the 13th five-year plan of CNPC "research on the comprehensive development technology of coalbed methane and coal-bearing strata natural gas" (2017E-1406) ...
doi:10.1088/1755-1315/295/4/042004
fatcat:jciwayg53vhthjip6a6k23pbcy
Neutron activation analysis without multielement standards
1982
Journal of Radioanalytical Chemistry
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Particular attention is paid to the method of analysis of data used to obtain the best estimates of measured values and to the neutron flux characterisation both of which are crucial to the technique. ...
The problems associated with multi-standard techniques in Neutron Activation Analysis are all very familiar. Preparation of standards is a source of errors and is time consuming. ...
Of importance to neutron activation analysis is gamma radiation because of its properties as will be pointed out in the next paragraph. ...
doi:10.1007/bf02516794
fatcat:4fw24a4urbf3lesch2y3ut53by
Neutron-Stimulated Gamma Ray Analysis of Soil
[chapter]
2017
New Insights on Gamma Rays
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The introduction covers general principles, different modifications of neutron-gamma analysis, measurement system configuration, and advantages of this method for soil carbon analysis. ...
Thus, neutron-stimulated gamma ray analysis can be used for in situ determination of near-surface soil carbon content and is applicable for precision geospatial mapping of soil carbon. ...
We thank XIA LLC for allowing the use of their electronics and detectors in this project. ...
doi:10.5772/68014
fatcat:f7inebojfnbtlmmoyhehd54r54
Nuclear Logging Methods
1968
RADIOISOTOPES
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Masao Kato, Institute of Industrial Science, University of Tokyo, for the opportunity to give the lecture and to submit this paper for publication in a distinguished Japanese journal. ...
The author is indebted to JRA and to Dr. ...
These all require
analysis
of com-
plex pulse
height
spectra. ...
doi:10.3769/radioisotopes.17.4_171
fatcat:aiukxxjzlngdnh6jmjjguod3pm
Research opportunities with compact accelerator-driven neutron sources
2016
Physics reports
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Wang, and J. Wyss, for providing updated information on the parameters, drawings, and images, of the CANS described in this work. We are grateful to C. D. ...
Acknowledgments This work was partially supported within the CNR-STFC Agreement (2014-2020) concerning collaboration in scientific research at the ISIS spallation neutron source. We thank T. ...
Pulsed fast and thermal neutron analysis: A combined Fast Neutron Analysis and Thermal Neutron Analysis method. ...
doi:10.1016/j.physrep.2016.07.007
fatcat:clvfrjr72fhahov7b65dvhgpqa
SEISMIC ANALYSIS OF THE TRANSGRESSIVE SYSTEMS TRACTS (TSTS) OF THE NIGER DELTA
2018
Earth Science Malaysia
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From generated synthetic, using the seismic responses at interfaces within the lithologies cut across by one of our HP well in the Central Swamp depobelt, a study integrating Reflectivity Pattern Analysis ...
One way of identifying our MFSs is to look out for shale tops of high acoustic properties within a shale interval that corresponds to the lowest resistivity values and widest separation between neutron ...
In data processed for the purpose, the form of the AVO response maybe diagnostic of lithology or fluid type. ...
doi:10.26480/esmy.02.2018.16.19
fatcat:cgmg2ennencotnihayyk4kvy4u
New Developments of Neutron Activation Analysis Applications
2015
Procedia - Social and Behavioral Sciences
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Neutron Activation Analysis is the most sensitive analytical technique used to determine concentration of elements in a sample. ...
As a result of the mentioned improvements wide variety of neutron analysis devices has been employed recently for reliable and precise control in cement and coal industry, borehole logging, security monitoring ...
(Prompt Gamma Neutron Activation Analysis), PFNA (Pulsed Fast Neutron Analysis), PFTNA (Pulsed Fast/Thermal Neutron Analysis), API (Associated Particle Imaging).These techniques have big application potential ...
doi:10.1016/j.sbspro.2015.06.380
fatcat:i5b5b2qxizdbjehki2d2mfaawi
Survey of industrial, agricultural, and medical applications of radiometric gauging and process control
1990
Journal of Research of the National Institute of Standards and Technology
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Kasi, and P. Lahure, also a considerable number of other researchers among those listed in the references below, for their assistance in preparing this review.
References ...
A time-of-flight fast-neutron probe useful not only for coal analysis and oil shale assay, but also adaptable to detection of contraband drugs and explosives, has been successfully demonstrated by Gordon ...
General approaches to the design, optimization, calibration, and error sources of both static (sample properties remain constant during measurement period) and dynamic (sample properties change during ...
doi:10.6028/jres.095.053
pmid:28179800
pmcid:PMC4948932
fatcat:kjwtuqky6fdidhm343duh2leua
Research/Researchers
1989
MRS bulletin
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Pulsed Neutron Source Gets New Uranium Target An upgrade of the Intense Pulsed Neutron Source (IPNS) at Argonne National Laboratory now provides the country's most powerful pulsed neutron beams for examining ...
Four pulsed neutron facilities exist, two in the United States and one each in England and Japan. ...
Meeting the challenge of advanced materials.
ENCYCLOPEDIA OF MATERIALS SCIENCE AND ENGINEERING ...
doi:10.1557/s0883769400063351
fatcat:pavccmwgdvbl7cbwigvppengeq
Effects of moisture content on coal analysis using laser-induced breakdown spectroscopy
2015
Spectrochimica Acta Part B - Atomic Spectroscopy
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In the present work, the effects of moisture content variations on the properties of the laser-induced plasma and its spectral signals were investigated using the same coal samples mixed with different ...
The laser ablation process and mechanism underlying the effects of moisture content were proposed as following: part of the moisture was evaporated first under laser radiation and ablated earlier than ...
Acknowledgment The authors are grateful for the financial support from the National Natural Science Foundation of China (No. 51276100) and National Basic Research Program (973 Program) of China (No. 2013CB228501 ...
doi:10.1016/j.sab.2015.08.003
fatcat:s2unlmqksvedlp6pjebtv6fe4u
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