Zobrazeno 1 - 7
of 7
pro vyhledávání: '"E J Chatfield"'
Autor:
D. P. Fowler, E. J. Chatfield
Publikováno v:
Annals of Occupational Hygiene. 41:279-286
Surface sampling techniques, coupled with various analytical procedures, have been useful in the nuclear, food processing and pesticide industries to evaluate and control the potential influence of surface contamination on human health. In particular
Publikováno v:
Risk Analysis. 15:181-195
Data from inhalation studies in which AF/HAN rats were exposed to nine different types of asbestos dusts (in 13 separate experiments) are employed in a statistical analysis to determine if a measure of asbestos exposure (expressed as concentrations o
Publikováno v:
Risk analysis : an official publication of the Society for Risk Analysis. 15(2)
Data from inhalation studies in which AF/HAN rats were exposed to nine different types of asbestos dusts (in 13 separate experiments) are employed in a statistical analysis to determine if a measure of asbestos exposure (expressed as concentrations o
Autor:
E J Chatfield
Publikováno v:
Journal of Scientific Instruments. 44:615-617
A description is given of a simple comparator which allows the measurement of particle size distribution by unskilled operators. The instrument is designed to accept a 35 mm photograph of the particulate material, produced either by an optical or an
Autor:
E J Chatfield
Publikováno v:
Journal of Scientific Instruments. 44:649-651
A null method is described by which specimen temperatures in a thermobalance may be accurately recorded. Split planes and knife edges of stainless steel are used on the balance beam assembly to provide a conducting path from a noble metal thermocoupl
Autor:
E. J. Chatfield
Publikováno v:
Proceedings, annual meeting, Electron Microscopy Society of America. 33:276-277
Monitoring of the environment for asbestiform minerals has recently been of major interest, and analysis methods for the samples have been variable in reliability. Because of the difficulty in preparing suitable standards, acceptable criteria for rep
Autor:
E. J. Chatfield
Publikováno v:
Proceedings, annual meeting, Electron Microscopy Society of America. 32:528-529
The effects of inhalation of asbestos particles are well known. However, although the significance of asbestos particles when ingested is not fully understood, there is some evidence of increased incidence of gastrointestinal carcinoma where individu