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The HSE/NPL phase-contrast test slide

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Registro MARC
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008  940221s1984 gbr|||| | |00010|eng d
035  ‎$a‎6800003345
040  ‎$a‎MAP‎$b‎spa
084  ‎$a‎872
24514‎$a‎The HSE/NPL phase-contrast test slide‎$c‎J.M.M. Le Guen... [et al.]
520  ‎$a‎The slide provides a means of checking the detection limit of phase-contrast microscopes and is intented primarly for use with the membrane filter method of measuring airborne asbestos fibres. The test objects on the Mark II version (HSE/NPL), which is commercially available, are sets of ridges of resin, mounted on a conventional microscope slide, and immersed in a second resin of slightly lower refractive index
65011‎$0‎MAPA20080585679‎$a‎Higiene industrial
65011‎$0‎MAPA20080616441‎$a‎Contaminación atmosférica
65011‎$0‎MAPA20080621186‎$a‎Control de la contaminación
65011‎$0‎MAPA20080542832‎$a‎Amianto
65011‎$0‎MAPA20080559670‎$a‎Muestreador
65011‎$0‎MAPA20080551797‎$a‎Muestreos
65011‎$0‎MAPA20080563387‎$a‎Microscopios
65011‎$0‎MAPA20080539948‎$a‎Tests
7001 ‎$0‎MAPA20080223700‎$a‎Le Guen, Jean M.M.
7404 ‎$a‎The Annals of occupational hygiene
7730 ‎$t‎The Annals of occupational hygiene‎$d‎Oxford [etc.]‎$g‎nº 2, 1984 ; p. 237-247