Performance evaluation of two light-scattering dust monitors /
- 出版日期：1987.
- 出版者：U.S. Dept. of the Interior, Bureau of Mines,
- 页数：13 p. :
- 出版地：Pittsburgh, Pa. :
- 第一责任说明：by R.P. Vinson and K.L. Williams.
- 尺寸：28 cm.
- 分类号：a725
MARC全文
02h0005814 20090323114654.0 s1987 paua frb |000|||eng | NGL a725 Vinson, Robert P. Performance evaluation of two light-scattering dust monitors / by R.P. Vinson and K.L. Williams. Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1987. 13 p. : ill. ; 28 cm. Information circular / United States Department of the Interior, Bureau of Mines ; 9162 Includes bibliographical references: p. 9-10. Mine dusts Measurement ; Instruments. aWilliams, Kenneth L., ; d1952- Information circular (United States. Bureau of Mines) ; 9162. aCN bNGL NGL P 720.66 In3 v9162 ; h1 fqyl0803