| 摘要 |
PCT No. PCT/SE96/00327 Sec. 371 Date Nov. 4, 1997 Sec. 102(e) Date Nov. 4, 1997 PCT Filed Mar. 13, 1996 PCT Pub. No. WO96/28720 PCT Pub. Date Sep. 19, 1996A method and system for determining the presence of one or more components in a liquid substance including illumination of the substance utilizing a light with at least one definite wave length preferably within the almost infrared area and detecting transmitted and/or reflected light and analyzing the detected light wherein the detection is performed extremely fast so as to detect a step response corresponding to an approaching or fading light pulse transmitted or reflected through the substance.
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