Zobrazeno 1 - 10
of 18
pro vyhledávání: '"C R Cothern"'
Publikováno v:
Environmental Engineering and Policy. 1:37-45
The world is experiencing a growing problem with a range of diseases collectively referred to as sick building syndrome. This problem results from a combination of tightened buildings, large scale use of man-made materials, and modern offices full of
Autor:
K G Brown, I Thornton, Barbara D. Beck, K J Irgolic, C R Cothern, R Cothern, R Chaney, Willard R. Chappell, D W North, T A Tsongas
Publikováno v:
Environmental Health Perspectives
This paper presents views on the current status of (inorganic) arsenic risk assessment in the United States and recommends research needed to set standards for drinking water. The opinions are those of the Arsenic Task Force of the Society for Enviro
Autor:
C R, Cothern
Publikováno v:
Reviews of environmental contamination and toxicology. 111
This review concerns primarily the health effects that result from indoor air exposure to radon gas and its progeny. Radon enters homes mainly from the soil through cracks in the foundation and other holes to the geologic deposits beneath these struc
Autor:
Lamar. Field, William J. Sanders, Wayne S. Hanley, W. E. Moddeman, P. L. Kelly, R. G. Albridge, C. R. Cothern
Publikováno v:
Analytical Chemistry. 48:162-166
Publikováno v:
Journal of Vacuum Science and Technology. 15:348-352
AES and XPS measurements of silicon nitride films with refractive indices ranging from 1.93 to 2.08 have been made. The films studied were grown on silicon (100) substrates by CVD using varying mixtures of silane and ammonia. Earlier AES studies of s
Publikováno v:
Journal of Environmental Quality. 6:165-168
Publikováno v:
X-Ray Spectrometry. 3:53-58
Four independent techniques for quantitatively calibrating an energy dispersive X-ray fluorescence system are compared. These include commercially available powder standards, vacuum deposited standards, laboratory developed powder standards and a sem
Publikováno v:
Journal of the American Water Resources Association. 8:704-714
The X-ray fluorescence method was used to analyze trace metals collected in particulate form on filter papers and from the ionic state by ion exchange filter papers. The samples were prepared by allowing water to pass through these filter papers. The
Publikováno v:
Canadian Journal of Physics. 45:2295-2313
Previous work on the decay of 211Pb has been developed and extended using lithium-drifted germanium detectors and sum–coincidence techniques. A more detailed level scheme for 211Bi has been produced with greater precision in the determination of th
Autor:
C. R. Cothern
Publikováno v:
American Journal of Physics. 41:8-12
The reasons for a nonscience major to take a science course are examined and discussed. The problems and some possible approaches in developing a course for the nonscience major are reviewed. The plan of this course involves combining “straight”