eye assay

eye assay

[′ī ′as‚ā]
(mining engineering)
An estimate of the valuable mineral content of a core or ore sample as based on visual inspection. Also known as eyeball assay.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in ?
References in periodicals archive ?
In the cited papers, there was no, however, made evaluation of enzyme activity by a camera because a naked eye assay and another type of substrate were preferred.
Acetylcholinesterase Inhibitors Assay Using Colorimetric pH Sensitive Strips and Image Analysis by a Smartphone
There were about a hundred souls assembled, and Jeffrey's seasoned eye assayed the political temper of the throng.
Zombies for Kerry

Encyclopedia browser ?
Full browser ?