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Filtering by: Date issued sim 1994-04-04 Degree Name Doctor of Philosophy (Ph.D.)

A multivariate statistical approach to identifying organic compounds using an oscillating plasma glow discharge detector for gas chromatography

Creator:

Smith, Diane Lynn

Abstract:

An oscillating plasma glow discharge detector for gas chromatography is used to obtain fingerprint information about an analyte by combining both the average cell current and oscillation frequency signals. Five homologs each of the n-alkanes, 1-alkenes, 1-alkynes, 2-ketones and aldehydes are studied. Although triplicate determinations had some scatter due to...

Resource Type:

Dissertation
Root respiration of Douglas-fir and western hemlock seedlings

Creator:

Lu, Shengjun

Abstract:

Most of the methods currently used to measure root respiration introduce various disturbances which may lead to biased results, and require destruction of roots which does not permit repeated measurements of root growth and respiration. A root box method was developed for measurement of root respiration, as well as root...

Resource Type:

Dissertation