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Publikováno v:
Optics and Lasers in Engineering. 37:39-49
Comparative measurement methods are used to compare the behaviour of two macroscopically identical but microscopically different object surfaces. The roughness of these surfaces can have any value. The aim of this paper is to demonstrate theoreticall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c373ef5e4dc33b05596ca0bda50295c
https://doi.org/10.1016/s0143-8166(01)00143-9
https://doi.org/10.1016/s0143-8166(01)00143-9
Publikováno v:
Science of The Total Environment. 191:153-167
The first personal exposure data for tungsten oxide fibres, in two hard metal manufacturing industries is presented. Occupational exposure was studied by static and personal measurements during tungsten metal production. Three different initial mater
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3358090227ab709be26e908ef45d4b75
https://doi.org/10.1016/0048-9697(96)05256-4
https://doi.org/10.1016/0048-9697(96)05256-4
Modern fibre counting?A technique with the phase-contrast microscope on-line to a Macintosh computer
Publikováno v:
The Annals of Occupational Hygiene. 39:455-467
A modern technique for counting airborne fibres on membrane filter is described. The evaluation is done on-line to a Macintosh computer from a phase-contrast microscope. The Macintosh computer has special video display cards and software, which enabl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::319995add0e97cbaec03fbe33b51a9a0
https://doi.org/10.1016/0003-4878(95)00020-f
https://doi.org/10.1016/0003-4878(95)00020-f
Publikováno v:
SPIE Proceedings.
A problem common to automated assembly in manufacturing or in automated docking of spacecraft is angular and lateral alignment of components. A hybrid video system utilizing both conventional imaging and 3-D video moire has been developed to automati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a871edb4869431458749450126893192
https://doi.org/10.1117/12.417187
https://doi.org/10.1117/12.417187
Publikováno v:
Springer Series in OPTICAL SCIENCES ISBN: 9783662142127
It appears that only three different physical principles are required to classify all range sensors: (classical) interferometry on smooth surfaces (type III), broad-band interferometry on rough surfaces (type II), and triangulation (type I). We will
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8bb4d8b7cfc70368a2c149465aa00b3b
https://doi.org/10.1007/978-3-540-48886-6_21
https://doi.org/10.1007/978-3-540-48886-6_21
Publikováno v:
SPIE Proceedings.
The 'coherence radar' was introduced as a method to measure the topology of optically rough surfaces. The basic principle is white light interferometry in individual speckles. We will discuss the potentials and limitations of the coherence radar to m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ff6ba08da4a91b4d1fe11b74ac9e593
https://doi.org/10.1117/12.323304
https://doi.org/10.1117/12.323304
Publikováno v:
The Annals of Occupational Hygiene.
Hard metal is manufactured by a process of powder metallurgy from tungsten metal and carbon with cobalt as a binder. In addition, chromium, molybdenum, vanadium, titanium, tantalum and nickel may be added. Therefore, hard-metal workers may be exposed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c52d2f7f625c8a8bcf428f888c971888
https://doi.org/10.1093/annhyg/41.inhaled_particles_viii.172
https://doi.org/10.1093/annhyg/41.inhaled_particles_viii.172
Publikováno v:
SPIE Proceedings.
Conventional holographic interferometric and speckle pattern interferometric techniques are tailored basically to compare the two states of the very same object, which may have optically rough surface or optically distorting transparent walls around.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4424ee99c47fe307982bbd80caee50d
https://doi.org/10.1117/12.250756
https://doi.org/10.1117/12.250756
Autor:
Wubeshet Sahle, Ildiko Laszlo
Publikováno v:
The Annals of occupational hygiene. 40(1)
The direct and indirect sample transfer techniques for measuring airborne inorganic fibres concentrations were studied by TEM for airborne rockwool fibres, chrysotile, amosite and tungsten oxide whiskers. The number and mass concentrations of fibres
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::974e8fdf332c0ba9ab9c727f28795aa3
https://pubmed.ncbi.nlm.nih.gov/9054300
https://pubmed.ncbi.nlm.nih.gov/9054300