发明名称 FOERFARANDE OCH ANORDNING FOER MAETNING AV PAPPERSFORMATION
摘要 A procedure for measuring the formation of paper, wherein through a paper sample is passed radiation and the radiation that has passed through the paper is observed with a beta radiation detector for establishing a spectrum characterizing the formation of the sample, for radiation source being used a liner beta radiation source, and the beta radiation that has passed through the sample being observed in one dimension with a position-sensitive wire chamber detector operating in limited streamer mode.
申请公布号 SE8903636(L) 申请公布日期 1990.05.04
申请号 SE19890003636 申请日期 1989.10.31
申请人 KAJANNI ELEKTRONIIKKA OY 发明人 RITALA R
分类号 G01N23/16 主分类号 G01N23/16
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