Index Catalog // ScholarsArchive@OSU

Tablet machine instrumentation to study tablet compaction and compression of polymer-coated beads into tablets

Creator:: Altaf, Syed Azhar
Resource Type:: Dissertation
Full Text:: express my sincere gratitude to my major professor, Dr. Stephen W. Hoag for his invaluable help, guidance

A moving boundary model of calcium alginate gel formation and the estimation of diffusion and mass transfer coefficients

Creator:: Inoue, Shawna K.
Abstract:: Calcium alginate gels are widely used in the biotechnology, food, and pharmaceutical industries for cell immobilization, food additives, and controlling the release of therapeutic agents. Different gelation conditions can lead to different gel structures which affects the diffusion of solutes in gels, thus mathematical models were developed to describe diffusion...
Resource Type:: Dissertation
Full Text:: Coefficients. Abstract approved: Stephen W. Hoag Calcium alginate gels are widely used in the

Biological studies of the vetch bruchid, Bruchus brachialis Fahraeus in Oregon

Creator:: Steinhauer, Allen Laurence
Resource Type:: Masters Thesis
Full Text:: PAGE Introduction s ..... .. .. sse.. s...... e... 1 w orid Distribution ....... 2 History and

Factors affecting the protein and free amino acid composition of blood of the American cockroach Periplaneta americana (Linnaeus)

Creator:: Steinhauer, Allen Laurence
Resource Type:: Dissertation
Full Text:: especially indebted to Dr. W. Pe Stephen, Asìistant Professor of Entoniology, Oregon State College, under

Foraging and nesting behavior of the leaf-cutter bee Megachile rotundata (Fabricius)

Creator:: Osgood, Charles Edgar
Abstract:: The study provides the details of the ethology of Megachile rotundata (Fabricius), and presents preliminary observations on its foraging and nesting behavior. Development from prepupae to adults proceeds most rapidly at 32 degrees C., and is retarded when held at lower and higher temperatures. Male behavior is distinct from that...
Resource Type:: Masters Thesis
Full Text:: rendered during the course of this study: To my major professor, Dr. W. P. Stephen, Associate Profes

Studies on Heterostylum robustum (Osten Sacken) (Diptera : Bombyliidae), a parasite of Nomia melanderi

Creator:: Eppley, Richard Keith
Abstract:: Heterostylum robustum (Osten Sacken) is the principal parasite of the alkali bee, Nomia melanderi Ckll., one of the most efficient pollinators of alfalfa in the western United States. The purpose of the study was to determine the incidence of parasitism and to investigate the biology of H. robustum. The fly...
Resource Type:: Masters Thesis
Full Text:: preparation of this thesis: To my major professor, Dr. W. P. Stephen, for guidance, ad- vice, and

Phospholipids of Tenebrio molitor larvae

Creator:: Kamienski, Francis Xavier
Abstract:: Phospholipids of Tenebrio molitor larvae were separated on columns of DEAE-cellulose and silicic acid-Hyflo Super Cel. The major phosphatide components were identified by various analytical procedures. Phosphatidyl choline was demonstrated to be the predominant phospholipid with a high percentage of phosphatidyl ethanolamine. A small amount of inositol-containing phosphatides were present....
Resource Type:: Masters Thesis
Full Text:: o 20 w C co rn z c X co m ,3 O O Ó Ó 6 O ,- , N N . b o

A comparative study of the isozymic proteins and the effect of metachemogenesis in the tissues of Periplaneta americana (L.)

Creator:: Beckendorf, Gerald Walter
Abstract:: An attempt was made to demonstrate isozymic forms of esterase, MDH, LDH and GPDH and the variation in enzyme pattern with increasing age in the thoracic muscle, appendage muscle and hemolymph of the American cockroach, Periplaneta americana. Sampled specimens of both sexes were aged one through seven days, two weeks...
Resource Type:: Masters Thesis
Full Text:: indebted to Dr. W. P. Stephen, Professor of Entomology, for his patience and guidance throughout the

The effect of sublethal doses of dieldrin, parathion, and sevin on the calling song of Acheta domesticus L. (Orthoptera: Gryllidae)

Creator:: Young, Conny Lee
Abstract:: The objectives of this study were: a) to obtain and evaluate equipment for bio-acoustical analysis for this work and for future work in the analysis of insect sounds, b) to study the acoustical and sexual behavior of Acheta domesticus L., and c) to determine methods for analyzing the changes effected...
Resource Type:: Masters Thesis
Full Text:: their assistance during the preparation of this thesis: To Dr. W. P. Stephen, my major professor, for

Comparative embryology of Nomia melanderi, Megachile rotundata, and Bombus griseocollis (Hymenoptera:Apoidea)

Creator:: Hartman, Margaret Jane
Abstract:: Organogenesis was observed in different age embryos and first instar larvae of Nomia melanderi Cockerell (Halictidae), Megachile rotundata (Fabricius) (Megachilidae), and Bombus griseocollis (DeGeer) (Apidae) (Hymenoptera : Apoidea). It was found that, with the exception of the ventral nerve cord, comparable organ development had occurred by the beginning of the...
Resource Type:: Masters Thesis
Full Text:: professor, Dr. W. P. Stephen, Professor of Entomology, Oregon State University, for his guidance

ScholarsArchive@OSU

Tablet machine instrumentation to study tablet compaction and compression of polymer-coated beads into tablets

A moving boundary model of calcium alginate gel formation and the estimation of diffusion and mass transfer coefficients

Biological studies of the vetch bruchid, Bruchus brachialis Fahraeus in Oregon

Factors affecting the protein and free amino acid composition of blood of the American cockroach Periplaneta americana (Linnaeus)

Foraging and nesting behavior of the leaf-cutter bee Megachile rotundata (Fabricius)

Studies on Heterostylum robustum (Osten Sacken) (Diptera : Bombyliidae), a parasite of Nomia melanderi

Phospholipids of Tenebrio molitor larvae

A comparative study of the isozymic proteins and the effect of metachemogenesis in the tissues of Periplaneta americana (L.)

The effect of sublethal doses of dieldrin, parathion, and sevin on the calling song of Acheta domesticus L. (Orthoptera: Gryllidae)

Comparative embryology of Nomia melanderi, Megachile rotundata, and Bombus griseocollis (Hymenoptera:Apoidea)

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