Zobrazeno 1 - 9
of 9
pro vyhledávání: '"B. V. Johansen"'
Publikováno v:
International Journal of Gynecologic Cancer. 17:44-49
An elevated risk of ovarian cancer has been observed in Norwegian pulp and paper workers who were possibly occupationally exposed to asbestos. The present study was initiated to investigate if the increased risk could be associated with asbestos fibe
Autor:
B V, Johansen, H, Ormstad
Publikováno v:
Microscopy research and technique. 38(5)
A preparation procedure is described for producing specimen supports of evaporated germanium. The germanium film is used as a replacement for films of carbon and silicon when microanalytical techniques like energy dispersive X-ray microanalysis (XRMA
Autor:
B V, Johansen
Publikováno v:
Ultrastructural pathology. 7(2-3)
In spite of the fact that there is a diversity of equipment in electron microscopy laboratories, potential hazards can be grouped in five areas: radiation, electricity, implosion, explosion, and cryogens. This presentation relates these areas to heal
Autor:
B V, Johansen, S, Hoglund
Publikováno v:
Ultramicroscopy. 1(1)
Publikováno v:
Acta pathologica, microbiologica, et immunologica Scandinavica. Section B, Microbiology. 90(6)
Publikováno v:
Thrombosis et diathesis haemorrhagica. 30(3)
Publikováno v:
Journal of electron microscopy. 30(2)
Publikováno v:
Proceedings, annual meeting, Electron Microscopy Society of America. 38:50-51
Unstained biological specimens were observed in the dark field STEM mode using a JEM-100CX TEMSCAN equipped with an annular type dark field detector. It was confirmed, by comparing the micrographs obtained in the above mode with micrographs obtained
Autor:
B. V. Johansen
Publikováno v:
Journal of Microscopy. 101:333-334
SUMMARY A digital microammeter with 0.1 μA sensitivity has been employed in the TEM beam current circuit to increase the accuracy to which the electron beam can be recorded and adjusted.