Index Catalog // ScholarsArchive@OSU

The effect of logging and slash burning on certain physical properties of forest soils

Creator:: Dyrness, C. T.
Resource Type:: Masters Thesis

Vegetation response to prescribed fire in the Kenai Mountains, Alaska

Creator:: Boucher, Tina V.
Abstract:: The Chugach National Forest has been using prescribed fire as a wildlife habitat management tool since l977. Between 1977 and 1997 about 4,000 hectares have been burned on the Kenai Peninsula to promote regeneration of woody plant species used by moose (Alces alces). Browse species include paper birch (Betula papyrifera),...
Resource Type:: Masters Thesis
Full Text:: approved: -,-.,6~--"-------1-• ---<,.:,.." _.·,_____..c'""',,.__,,;.;;..,:_ __________ _ Michael Newt~n

Determination of the ascorbic acid intake necessary to maintain an adequate level of the vitamin in the blood plasma

Creator:: Landquist, Virginia Lord
Resource Type:: Masters Thesis
Full Text:: |lf AIM M AM^SAM t&M of tm tiTmw n ISB BI«OO© v%&mA viaftjuu SORB MHs^iaa? A fHHSia IIASfiB OF

The role of ascorbic acid on discoloration of strawberry juice and concentrate

Creator:: Poei, Metty Soek-Kioen
Abstract:: The purpose of this.investigation was to determine how enzymes and oxygen influence the role ascorbic acid has on pigment degradation and browning during storage for strawberry juice and concentrate. The ascorbic and dehydroascorbic acid content of blanched and unblanched, nitrogen-treated and air-exposed samples of strawberry juice and concentrate was measured...
Resource Type:: Masters Thesis
Full Text:: -H Ho-C-H i » CHaoH CHxoH Ascorbic acU T>-hlfdro*5^rb,c Indirect Enzymic Oxidation of

Effects of slash burning on surface soil erosion rates in the Oregon Coast Range

Creator:: Bennett, Karen Ann
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGEMENTS The author wishes to thank Drs. C. T. Youngberg, J. H. Huddleston, R. Beschta, F. Swanson, P

Morphology, genesis, and classification of soils forming in recent age tephra deposits from Mt. St. Helens volcano

Creator:: Johnson, Mark E.
Abstract:: The morphology, genesis, and classification of soils forming in multiple tephra deposits of recent age from Mt. St. Helens volcano in southwestern Washington Cascade Mountains was studied. Soils which occupied well drained and poorly drained positions on the landscape were characterized according to their morphology and the results of analyses...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for privacy C./ T. YoAgberg The morphology, genesis, and classification of

Effects of cultural practices on the yield and vitamin C content of broccoli

Creator:: Anderson, Wendy (Wendy Lee), 1951-
Resource Type:: Masters Thesis
Full Text:: ^ 3 O 0» - 5 f D c n ia o fD <T ) -J . -a in 3 fD c

The role of certain non-leguminous woody species in the nitrogen nutrition of some conifer seedlings

Creator:: Wollum, Arthur George
Resource Type:: Masters Thesis
Full Text:: ACKNOWLEDGEMENTS I 1m especially grateful to my Major Professor, Dr . C. T. Youngberg, for stimulating my

Response of scorbutic guinea pigs to ascorbic acid and adrenocorticotropic hormone (ACTH)

Creator:: Riker, Joseph Thaddeus III
Abstract:: Thirty-six female guinea pigs were placed on a scorbutogenic diet for 14 days and then divided into groups of four. Three groups received adrenocorticotropic hormone (ACTH) with each group given 10, 20, or 40 units. Three groups each received 50 mg of ascorbic acid and three groups received 50 mg...
Resource Type:: Masters Thesis
Full Text:: ,T IT-.]O T B.CP] C HO,B.MONE (AC TH ) Thirty-six fernaLe guinea pi54s were placed on a

The effect of erythorbic acid on the determination of ascorbic acid levels in selected foods by high performance liquid chromatography and spectrophotometry

Creator:: Tuan, Shenhsiu
Abstract:: A high performance liquid chromatography (HPLC) procedure using a LiChrosorb-NH₂ column and a eluant buffer of 75:25 (v/v) of acetonitrile:0.05 M KH₂P0₄, pH 5.95, was developed for the successful separation and determination of ascorbic and erythorbic acids in selected food samples. Application of the method, which is sensitive, rapid and...
Resource Type:: Masters Thesis
Full Text:: , natural and artificial flavor drink mixes, and Hi-C drinks gave satisfactory results. Dehydroascorbic

ScholarsArchive@OSU

The effect of logging and slash burning on certain physical properties of forest soils

Vegetation response to prescribed fire in the Kenai Mountains, Alaska

Determination of the ascorbic acid intake necessary to maintain an adequate level of the vitamin in the blood plasma

The role of ascorbic acid on discoloration of strawberry juice and concentrate

Effects of slash burning on surface soil erosion rates in the Oregon Coast Range

Morphology, genesis, and classification of soils forming in recent age tephra deposits from Mt. St. Helens volcano

Effects of cultural practices on the yield and vitamin C content of broccoli

The role of certain non-leguminous woody species in the nitrogen nutrition of some conifer seedlings

Response of scorbutic guinea pigs to ascorbic acid and adrenocorticotropic hormone (ACTH)

The effect of erythorbic acid on the determination of ascorbic acid levels in selected foods by high performance liquid chromatography and spectrophotometry

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