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专利名称：Apparatus for controlling the proportions
of a fluid
发明人：Richard H. Schurman,John W.
Schurman,Richard W. Clark,Steven Reiter
申请号：US06/423119申请日：19820924公开号：US04506626A公开日：19850326
摘要：This invention is directed to the use of two or more light waves having separateand distinct wave lengths. The light waves are directed to a fluid. The initial detectedrelative intensities of the light waves is known. After the light waves have left the fluid thefinal relative intensities can be determined. By knowing the relative shift in the initialintensities to the final intensities it is possible to determine a characteristic of the fluid.With this characteristic of the fluid it is possible to take appropriate action to change thecharacteristic of the fluid or it may be desirable to take no action with respect to thecharacteristic of the fluid.
申请人：SCHURMAN; RICHARD H.,SCHURMAN; JOHN W.,CLARK; RICHARD W.,REITER;STEVEN
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