Zobrazeno 1 - 10
of 99
pro vyhledávání: '"A.P. Fews"'
Publikováno v:
Atmospheric Research. 76:29-48
An electrically based ion spectrometer is described, capable of measuring particle sizes and mobilities from molecular ions (small ions) to aerosol particles across a size range of ∼0.4 to 30 nm in diameter. It consists of a single cylindrical capa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::007e5dc6ecf4ff8fe1bafe2758fafaa8
https://doi.org/10.1016/j.atmosres.2004.11.008
https://doi.org/10.1016/j.atmosres.2004.11.008
Publikováno v:
Atmospheric Research. 63:271-289
Corona ion discharge is responsible for a flux of small ions emanating from an overhead power line capable of modifying the ambient electrical environment. The ensuing space charge can be detected as a change in magnitude of the earth's natural DC el
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48468cf93b9fdefe5f4fcd59025caf47
https://doi.org/10.1016/s0169-8095(02)00041-8
https://doi.org/10.1016/s0169-8095(02)00041-8
Publikováno v:
International Journal of Radiation Biology. 75:1505-1521
To assess increased exposure to airborne pollutants near power lines by investigating theoretically and experimentally the behaviour of 222Rn decay product marker aerosols in the 50 Hz electric field under power lines.The behaviour of aerosols in out
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f0887d12980a8653c96edf548e0df3a
https://doi.org/10.1080/095530099139115
https://doi.org/10.1080/095530099139115
Publikováno v:
International Journal of Radiation Biology. 75:1523-1531
Purpose: To investigate corona ions emitted from high-voltage powerlines and assess their effects on exposure to environmental pollutant aerosols. Materials and methods: The charge density of ions in air required to produce a given change in the obse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58308f5b92e9b0596197093cb69ed06c
https://doi.org/10.1080/095530099139124
https://doi.org/10.1080/095530099139124
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 369:582-587
Two applications of TASTRAK plastic to measurement of alpha activity are described. (1) Alpha particle spectroscopy is possible by automated analysis of etched alpha particle tracks in TASTRAK (CR-39) type plastic. The method is based on the measurem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8dde4b5fb95ced039a9a465e70bbf4e
https://doi.org/10.1016/s0168-9002(96)80056-8
https://doi.org/10.1016/s0168-9002(96)80056-8
Publikováno v:
Radiation Measurements. 26:59-64
Alpha particle spectroscopy by automated analysis of etched alpha particle tracks in TASTRAK™ (CR-39) type plastic is described. The method is based on the measurement of two geometric parameters of etched tracks, the minor axis ( m ), and the diam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1bc4daebc99983fc5ea5b6de529c584
https://doi.org/10.1016/1350-4487(95)00217-0
https://doi.org/10.1016/1350-4487(95)00217-0
Autor:
A.P. Fews
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 72:91-103
A highly flexible method has been developed for the analysis of etched nuclear particle tracks, optimised to yield the highest precision output. The technique is applied to α-particle and proton tracks in CR-39. Any combination of the output paramet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::177dd641440d3e2756c837efadcf27d4
https://doi.org/10.1016/0168-583x(92)95288-3
https://doi.org/10.1016/0168-583x(92)95288-3
Autor:
A.P. Fews
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 71:465-478
A comprehensive analysis system has been developed for analysing nuclear particle tracks in plastic. The system has two main components. The first, described in this paper is an image analysis scanning system purpose built for analysing etched tracks
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a14da3a4e6943c41d9e779fb6ec42304
https://doi.org/10.1016/0168-583x(92)95367-z
https://doi.org/10.1016/0168-583x(92)95367-z
Publikováno v:
International journal of radiation biology. 80(3)
To study geographical variations in the level of naturally occurring 210Pb-supported 210Po in permanent teeth of juveniles in the UK.Permanent teeth extracted from 278 juveniles for orthodontic purposes were obtained from 48 counties in the UK. 210Po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb708bb05ce998410cbbebea9e5e1520
https://pubmed.ncbi.nlm.nih.gov/15244373
https://pubmed.ncbi.nlm.nih.gov/15244373
Autor:
A.P. Fews, D.L. Henshaw
Publikováno v:
IEE Colloquium on Electromagnetic Hazards, Safety and Human Interaction.
Power frequency electromagnetic fields (EM fields) interact with natural and pollutant aerosols in air by mechanisms that are deeply rooted in basic physics. This interaction, mediated principally by the electric field (E-field) component is readily
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96940c32210b1662dbf48dd9376a5bf4
https://doi.org/10.1049/ic:19970315
https://doi.org/10.1049/ic:19970315