Index Catalog // ScholarsArchive@OSU

Photoresist and ion-exchange chemistry of HafSOx

Creator:: Telecky, Alan J.
Abstract:: The chemistry of hafnium oxide based and materials are described in the context of ion exchange and lithography. HafSOx, represented by the composition HfO₂₋[subscript x](SO₄)x, is described to possess a significant capacity towards ion exchange in acidic and basic solutions, enabling films of HafSOx to be cleanly and readily be...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Alan J. Telecky for the degree of Doctor of Philosophy in Chemistry

Community conflict : a case study of the implementation of a bilingual education program

Creator:: Guzmán, Juan
Abstract:: This research project is an historical case study of the conflict which evolved from the deliberations and subsequent implementation of bilingual education in Central School District 13J, Independence, Oregon. The time period under consideration spans 35 months, beginning in August 1974, when district officials first proposed bilingual education, and ending...
Resource Type:: Dissertation
Full Text:: William Alan Kline This research project is an historical case study of the conflict which evolved from

Comparative development of a thinned and a natural Douglas-fir stand from 45 to 60 years of age

Creator:: Groman, William A.
Abstract:: An understanding of the dynamics of individual tree and stand growth, development, and structural patterns during the immature formative years of a commercial species is essential to determine correct thinning practices necessary to attain desired objectives. This study compared a natural, medium-site Douglas-fir stand and an adjacent similar stand released...
Resource Type:: Dissertation

Bacteriophage-host interactions in lactic streptococci : lysogeny, phage inhibition and phage-insensitive mutants

Creator:: Huggins, Alan Roy
Resource Type:: Dissertation
Full Text:: Properties of Temperate Bacteriophages Induced from Lactic Streptococci) ALAN R. HUGGINS AND WILLIAM E

Evaluation of ryegrass straw in rations for ponies

Creator:: Schurg, William Alan
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE THESIS OF WILLIAM ALAN SCHURG for the degree of DOCTOR OF PHILOSOPHY in ANIMAL SCIENCE

Deposition of sub-micron and micron-sized particles from combustion of black liquor

Creator:: Sinquefield, Scott Alan
Abstract:: Black liquor recovery boilers experience significant fire-side fouling problems due to the deposition of entrained particulate matter. Increased understanding of the mechanisms by which particles deposit on these surfaces will lead to more effective management of the resultant problems. There is some evidence which suggests that the sub-micron fraction of...
Resource Type:: Dissertation
Full Text:: combustion of black liquor AN ABSTRACT OF THE THESIS OF Scott Alan Sinquefield for the degree of Doctor

Sex role stereotypes and children's memory for story content

Creator:: Gentry, Sally A.
Abstract:: The present experiment examined children's memory for stereotypic and non-stereotypic sex role content in their reading material. Twenty-four male and twenty-four female fifth grade subjects read two short stories, each depicting a male and female character who exhibited an equal number of masculine and feminine traits and behaviors. Results of...
Resource Type:: Dissertation
Full Text:: Redacted for Privacy Abstract approved: Alan I. Suga4vara The present experiment examined children's

High speed motion neutron radiography

Creator:: Bossi, Richard Henry
Abstract:: A system to perform neutron radiographic analysis of dynamic events taking place over the order of several milliseconds has been developed at Oregon State University. The design consists of a TRIGA reactor capable of pulsing to 3000 MW peak power, a neutron beam collimator with an L/D of about 30:1,...
Resource Type:: Dissertation
Full Text:: members of my graduate committee I would like to express special thanks. Foremost, to Dr. Alan Robinson

A study of antimutagenicity in yogurt

Creator:: Sudarshan, Nadathur R.
Abstract:: The purpose of this study was to identify antimutagens in yogurt active against the experimental colon carcinogen, N-methyl-N'-nitro-N-nitrosoguanidine (MNNG). Our initial experiments showed that acetone extracts of yogurt, or milk fermented by various lactic acid bacteria were antimutagenic against MNNG and 3,2'-dimethyl-4-aminobiphenyl (DMAB) in the Ames test (Salmonella typhimurium TA...
Resource Type:: Dissertation
Full Text:: Antimutagenicity in Yogurt Abstract Approved: ^ Alan T. Bakalinsky The purpose of this study was to identify

Preschoolers' hostile attribution, aggressive behavior and relationships with their mothers' attributional style, parenting behavior and affect

Creator:: Katsurada, Emiko
Abstract:: The purposes of this study were to find out about the associations between hostile attributional bias and aggressive behaviors among preschool-aged children and to identify possible sources of their hostile attributional bias. Seventy-two preschoolers with an average age of 4.76 and their mothers acted as participants. Children's hostile attributional bias...
Resource Type:: Dissertation
Full Text:: approved: Alan I. S awara The purposes of this study were to find out about the associations between

Surface-Enhanced Infrared Absorption Gas Sensing Incorporating Advanced Plasmonic Nanostructures and Nano-Composite Materials

Creator:: Chong, Xinyuan
Abstract:: This dissertation focuses on extending the application scope of surface enhanced infrared absorption spectroscopy to gas sensing. The method we propose is incorporating plasmonic nanostructures with nano-composite material, metalorganic framework, which can selectively preconcentrate certain gas molecules into the nanopores. The preconcentrating property is first demonstrated by applying metal-organic framework...
Resource Type:: Dissertation
Full Text:: . Abstract approved: ______________________________________________________ Alan X. Wang This

Development of an object-oriented expert system for PWR core reload

Creator:: Greek, Kevin J.
Abstract:: Reactor refueling is a computationally intensive problem solving process that requires automation since significant resources are expended upon the search for an optimal core loading. Without imposing some constraints upon the configurations investigated, an extremely large number of prototype loadings may be generated without discovery of an improved loading. As...
Resource Type:: Dissertation
Full Text:: System for PWR Core Reload Abstract approved: .e7 Redacted for privacy Dr. Alan obinson Reactor

Object Tracking-by-Segmentation in Videos

Creator:: Chen, Sheng
Abstract:: This thesis focuses on the problem of object tracking. Given a video, the general objective of tracking is to track the location over time of one or more targets in the image sequence. This is a very challenging task as algorithms need to deal with problems such as appearance variations,...
Resource Type:: Dissertation
Full Text:: -by-Segmentation in Videos Abstract approved: Alan P. Fern This thesis focuses on the problem of

Plasmonic Nano-Antenna and Modulator for On-Chip Optical Interconnects

Creator:: Gao, Qian
Abstract:: With the rapid growth of worldwide internet traffic in data centers and clouds, silicon photonics has been utilized to provide enormous data bandwidth and outstanding energy efficiency over electronics. Computing servers and storage servers that are connected by communication links are relying more on optical rather than electrical means mainly...
Resource Type:: Dissertation
Full Text:: . Abstract approved: ______________________________________________________ Alan X. Wang With

Harlequin duck demography during winter in Prince William Sound, Alaska : effects of the Exxon Valdez oil spill

Creator:: Esler, Daniel
Abstract:: The 1989 Exxon Valdez oil spill was a major perturbation of nearshore habitats of Prince William Sound, a wintering area for harlequin ducks (Histrionicus histrionicus). This research was designed to evaluate harlequin duck population recovery from the oil spill from 1995 to 1998, using a demographic approach to assess both...
Resource Type:: Dissertation
Full Text:: Harlequin duck demography during winter in Prince William

Sex role discrimination and preference in preschool aged children

Creator:: Sugawara, Alan Iwao, 1939-
Abstract:: The two major purposes of this study were: (1) to test the assumption that the IT Scale for Children (standard-ITSC) can be used as a measure of both appropriate sex role discrimination and sex role preference with preschool aged children, and (2) to extend previous studies in these areas by...
Resource Type:: Dissertation
Full Text:: children AN ABSTRACT OF THE THESIS OF ALAN IWAO SUGAWARA for the DOCTOR OF PHILOSOPHY (Name) (Degree

From multitarget tracking to event recognition in videos

Creator:: Brendel, William
Abstract:: This dissertation addresses two fundamental problems in computer vision—namely, multitarget tracking and event recognition in videos. These problems are challenging because uncertainty may arise from a host of sources, including motion blur, occlusions, and dynamic cluttered backgrounds. We show that these challenges can be successfully addressed by using a multiscale,...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF William Brendel for the

Wind turbulence input model for horizontal axis wind turbines

Creator:: Lin, Shuh-ren
Abstract:: In order to estimate wind turbine residL2;characteristics in the presence of atmospheric turbulence, the important atmospheric sources for the force excitations felt by the wind turbine system must be identified and characterized. The goal of this research is to develop the wind turbulence input model for horizontal axis wind turbines....
Resource Type:: Dissertation
Full Text:: Abstract approved: Redacted for privacy Dr. William E`: -- ;Holley!{ In order to estimate wind turbine

New bioactive natural products from marine algae and cyanobacteria

Creator:: Sabry, Omar Mohamed
Abstract:: This thesis is an account of investigation on the natural products deriving from various marine algae and has resulted in the discovery of eleven novel bioactive metabolites. Isolation and characterization of these new molecules were carried out using different chromatographic techniques and by analyses of different spectroscopic data, respectively. Using...
Resource Type:: Dissertation
Full Text:: I would like to thank my major advisor, Dr. William H. Gerwick, for his exceptional generous

Estimation of average and incremental net economic values of Oregon ocean sport-caught salmon : an aggregated travel cost approach

Creator:: Raja Abdullah, Nik Mustapha bin
Abstract:: The main objective of this study was to estimate the demand for and value of Oregon ocean sport-caught salmon fishery. The primary technique employed to estimate the recreational demand was an aggregated zone average travel cost method (TCM). The willingness of an angler to pay was deduced from the estimated...
Resource Type:: Dissertation
Full Text:: -Caught Salmon: An Aggregated Travel Cost Approach Abstract approved: William G. Brown The main

Silviculture-ecology of three native California hardwoods on high sites in north central California

Creator:: McDonald, Philip M.
Abstract:: Pacific madrone, tanoak, and California black oak are the most economically promising native California hardwoods. Volume and value data indicate upward trends in growing stock levels and prices received for their products. These trends are likely to continue. They suggest research is particularly needed for: (1) seed fall and regeneration,...
Resource Type:: Dissertation
Full Text:: privacy.Abstract approved Alan B., erg:. - Pacifié madrone, tanoak, and California black oak are the most

Incorporating and Learning Behavior Constraints for Sequential Decision Making

Creator:: Pinto, Jervis
Abstract:: Writing a program that performs well in a complex environment is a challenging task. In such problems, a method of deterministic programming combined with reinforcement learning (RL) can be helpful. However, current systems either force developers to encode knowledge in very specific forms (e.g., state-action features), or assume advanced RL...
Resource Type:: Dissertation
Full Text:: Constraints for Sequential Decision Making Abstract approved: Alan P. Fern Writing a program that performs

Integrating learning and search for structured prediction

Creator:: Doppa, Janardhan Rao
Abstract:: We are witnessing the rise of the data-driven science paradigm, in which massive amounts of data - much of it collected as a side-effect of ordinary human activity - can be analyzed to make sense of the data and to make useful predictions. To fully realize the promise of this...
Resource Type:: Dissertation
Full Text:: : Integrating Learning and Search for Structured Prediction Abstract approved: Prasad Tadepalli Alan P. Fern

Optimization of in-core nuclear fuel management in a pressurized water reactor

Creator:: Stout, Richard Bartholomew
Abstract:: Fuel loading patterns which have a minimum power peak are economically desirable to allow power reactors to operate at the highest possible power density and to minimize the possibility of fuel failure. A computer code called SHUFLE was developed for pressurized water reactors which shuffles the fuel in search of...
Resource Type:: Dissertation
Full Text:: Abstract approved: Alan H. Robinson Fuel loading patterns which have a minimum power peak are

Effects of U.S. commodity programs on farm growth

Creator:: Sukume, Chrispen
Abstract:: The U.S. farm sector has undergone dramatic structural change during the past fifty years, a chief result being that the number of large farms has increased relative to the number of small farms. Numerous agricultural policies have been instituted, with the partial objective of preserving the family farm. At the...
Resource Type:: Dissertation
Full Text:: : Effects of U.S. Commodity Programs on Farm Growth Abstract approved: H. Alan Love The U.S. farm sector

Learning and Improving Policies for Probabilistic Planning Problems

Creator:: Issakkimuthu, Murugeswari
Abstract:: In this work, we study the problem of learning and improving policies for probabilistic planning problems. In the first part, we train neural network policies for probabilistic planning problems modeled as factored Markov decision problems. The objective is to train problem-specific neural networks via supervised learning to imitate the action...
Resource Type:: Dissertation
Full Text:: . Title: Learning and Improving Policies for Probabilistic Planning Problems Abstract approved: Alan P

Toward computer vision for understanding American football in video

Creator:: Hess, Robin W.
Abstract:: In this work, I examine the problem of understanding American football in video. In particular, I present several mid-level computer vision algorithms that each accomplish a different sub-task within a larger system for annotating, interpreting, and analyzing collections of American football video. The analysis of football video is useful in...
Resource Type:: Dissertation
Full Text:: Vision for Understanding American Football in Video Abstract approved: Alan P. Fern In this work, I

The Atlantic, the Amazon, and the Andes : neogene climate and tectonics viewed from Ceara Rise, western tropical Atlantic

Creator:: Harris, Sara E.
Resource Type:: Dissertation
Full Text:: approved: Alan C. Mix High resolution proxy estimates of western tropical Atlantic sediment composition

New learning modes for sequential decision making

Creator:: Judah, Kshitij
Abstract:: This thesis considers the problem in which a teacher is interested in teaching action policies to computer agents for sequential decision making. The vast majority of policy learning algorithms o er teachers little flexibility in how policies are taught. In particular, one of two learning modes is typically considered: 1)...
Resource Type:: Dissertation
Full Text:: Modes for Sequential Decision Making Abstract approved: Alan P. Fern This thesis considers the

Pattern recognition of speech using hybrid computer feature extraction

Creator:: Herr, Alan Jack
Abstract:: Most technological problems associated with man-machine conversations have been solved and are well documented in both the contemporary technical and lay literature. The major remaining technological problem is the real time conversion of a human's vocal uterances into a "written" phoneme sequence representing the information content of speech. The work...
Resource Type:: Dissertation
Full Text:: feature extraction AN ABSTRACT OF THE THESIS OF ALAN JACK HERR for the degree DOCTOR OF PHILOSOPHY

Analysis of Bayesian anytime inference algorithms

Creator:: Burgess, Scott Alan
Abstract:: This dissertation explores and analyzes the performance of several Bayesian anytime inference algorithms for dynamic influence diagrams. These algorithms are compared on the On-Line Maintenance Agent testbed, a software artifact permitting comparison of dynamic reasoning algorithms used by an agent on a variety of simulated maintenance and monitoring tasks. Analysis...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Scott Alan Burgess for the

The histopathological effects of larval trematodes on the hepatopancreas of Oxytrema siliqua (Gould)

Creator:: Porter, Clarence Alan
Abstract:: The histopathological and histochemical effects on the snail Oxytrema siliqua, caused by the larvae of Nanophyetus salmincola, have been studied. The parasite causes damage to the organ by increased pressure, active ingestion of the hepatic tubules, and by the increased burden placed upon the snail in disposing of the waste...
Resource Type:: Dissertation
Full Text:: Hepatopancreas of Oxytrema Siliqua (Gould) AN ABSTRACT OF THE THESIS OF Clarence Alan Porter (Name) for

Some aspects of the sulfur cycle in tidal flat areas, and their impact on estuarine water quality

Creator:: Ramm, Alan Edmund
Abstract:: A conceptual model of the tidal flat system, emphasizing the sulfur cycle was presented. Measurements were made of the vertical distribution within tidal flat deposits of total aerobic and sulfate reducing bacteria, total sulfides, redox potential, volatile solids, and particle size. Variations in dissolved oxygen and free sulfides in the...
Resource Type:: Dissertation
Full Text:: their impact on estuarine water quality AN ABSTRACT OF THE THESIS OF ALAN EDMUND RAMM for the DOCTOR

Physiological alterations following severe hypoxic stress in two species of fresh-water fish

Creator:: Heath, Alan G.
Abstract:: Bluegill sunfish, Lepomia macrochirus, and cutthroat trout, Salmo clarki, were exposed to a rapidly declining oxygen tension for a period of time sufficient to just cause loss of equilibrium in the fish. During recovery from the stress, measurements of oxygen uptake, blood lactic acid, blood glucose, liver glycogen, muscle glycogen,...
Resource Type:: Dissertation
Full Text:: in Two Species of Fresh-Water Fish AN ABSTRACT OF THE THESIS OF ALAN GARD HEATH for the Ph. D. in

A model of ciliary streaming in the respiratory system

Creator:: Chambers, Alan B.
Abstract:: The respiratory tract is lined with a mucous blanket which is motivated by a ciliated epithelium. This blanket includes a lower serous layer of fluid through which the cilia beat and an upper viscid layer into which particulates from the inhaled air are deposited. The movement of the mucous blanket...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF ALAN B CHAMBERS for the Ph. D. (Name) (Degree) in Mechanical

The isolation and structure of leptosphaerin : a metabolite of the marine ascomycete, Leptosphaeria oraemaris (Linder) and A synthesis of the marine toxin, 9-isocyanopupukeanane

Creator:: Schiehser, Guy Alan
Abstract:: The ethyl acetate extract of the culture filtrate of the marine Ascomycete, Leptosphaeria oraemaris (Linder) yielded a novel metabolite designated by the common name leptosphaerin. An x-ray crystallographic structure analysis was disproved by the synthesis of 3-acetoxy-S-(1,2-dihydroxyethyl)- 3-pyrrolin-2-one 1, starting with N,N-dibenzylhydroxylamine 47 and D-mannitol 44. Oxidation of 47 followed...
Resource Type:: Dissertation
Full Text:: -isocyanopupukeanane AN ABSTRACT OF THE THESIS OF Guy Alan Schiehser for the degree of Doctor of Philosophy in

Effects of selenite upon the chemical nature of tissue abnormalities in white muscle disease of lambs

Creator:: Cramer, David Alan
Resource Type:: Dissertation

A theory of product design process measurement

Creator:: Wright, Alan Louis
Abstract:: This dissertation approaches the problem of how to design process measurements by identifying process attributes which are common to all product development processes. By classifying the generic attributes of a product development process and their relationships, a framework is established which gives definition and context to individual measurements. At the...
Resource Type:: Dissertation
Full Text:: OF THE DISSERTATION OF Alan Louis Wright for the degree of Doctor of Philosophy in Mechanical

Movement and angler use of four foodfishes in Yaquina Bay, Oregon

Creator:: Beardsley, Alan J.
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF ALAN JACKSON BEARDSLEY[ for the

Synthesis of novel ambifunctional atropisomeric 2,2',6,6'-tetrasubstituted biphenyls and investigation of their properties and organocatalytic activity

Creator:: Sephton, Mark Alan
Abstract:: Ambifunctional axially chiral 2,2',6,6'-tetrasubstituted biphenyls containing nucleophilic (or basic) functional groups juxtaposed with hydrogen-bond donors were synthesized and their properties studied. Applications for the prepared biaryls as potential organocatalysts for enantioselective carbon-carbon bond forming reactions were examined. Processes investigated included: aldol, Michael, nitroaldol (Henry), and Baylis-Hillman reactions. The novel amidoamine...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Mark Alan Sephton for the degree of Doctor of Philosophy

The public forage pricing implications of public/private market interdependence

Creator:: Collins, Alan
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF Alan Collins for the degree of

The relationship of instructional delivery methods and individual differences to the training of operators of computer systems

Creator:: Kluge, E. Alan
Abstract:: The objectives of this study were to: (1) determine if individual differences in the learner characteristics of field dependence, state and trait anxiety, age, sex, and prior computer experience were related to performance in operating a computer system; (2) to determine if differences in performance would occur as a result...
Resource Type:: Dissertation
Full Text:: SYSTEMS by E. Alan Kluge A THESIS Submitted to Oregon State University In Partial

Monte Carlo study of several methods for estimating linear demand for outdoor recreation from censored and truncated data

Creator:: Riyadi, Dedi M. M. (Dedi M. Masykur)
Abstract:: Objective of this study was to compare accuracy of several travel cost methods, by employing Monte Carlo simulations in the single site framework. Estimates from five methods were compared to the "true" travel cost coefficient and "true" consumer surplus. Each method was ranked, using the root mean squared error (RMSE)...
Resource Type:: Dissertation
Full Text:: Censored and Truncated Data. Abstract approved: William G. Brown Objective of this study was to compare

Effects of teaching games for understanding on game performance and understanding in middle school physical education

Creator:: Harvey, Stephen
Abstract:: Most students arrive at game-focused physical education (PE) with neither the skills nor the tactical knowledge to be successful (Metzler, 2000). Although the Teaching Games for Understanding (TGFU) approach can enhance both on- and off-the-ball skills in game play performance (Griffin et al., 1995; Harvey et al., in review, Harvey...
Resource Type:: Dissertation

Turbulence in sheared, salt-fingering favorable environment

Creator:: Kimura, Satoshi
Abstract:: Instability and turbulence in sheared, salt-fingering favorable stratification are studied using three-dimensional direct numerical simulations (DNS). Salt-fingering favorable stratification is gravitationally stable, because the unstable vertical gradient of salinity is stabilized by temperature (warm, salty over cool, fresh water-masses). Salt-fingering instability can occur at the interface of these different water-masses....
Resource Type:: Dissertation
Full Text:: : Turbulence in Sheared, Salt-fingering Favorable Environment Abstract approved: William D. Smyth

Photo-enhanced Toxicity of Oil Constituents and Corexit 9500 to Gulf of Mexico Marine Organisms

Creator:: Finch, Bryson E.
Abstract:: Significant inputs of hydrocarbons are continually released into the environment from anthropogenic and natural sources. Some of the most toxic hydrocarbon compounds are polycyclic aromatic hydrocarbons. Polycyclic aromatic hydrocarbons are known for their ability to absorb ultraviolet light and enhance toxicity. Generally, PAHs exert their toxicity via narcosis but UV-absorbing...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________________________________ William A. Stubblefield Significant inputs of hydrocarbons are continually released into

Plasmonic color filter array, high performance analog to digital converter architectures and novel circuit techniques

Creator:: Shakya, Jyotindra R.
Abstract:: Part I: Plasmonic color filters can be manufactured at lower cost since they can be fabricated in single lithographic process step as compared to Fabry-Perot based filters. In addition, they have narrow passband making resolving sharp features in sample spectrum possible. Due to these benefits, in this thesis, Plasmonic color...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Professor Alan X. Wang Professor Gabor C. Temes Part I: Plasmonic color filters

Paleoclimate, paleoventilation, and paleomagnetism as recorded in a 17kyr marine sediment record from the SE Alaska margin

Creator:: Davies, Maureen Helen
Abstract:: The deglacial behavior of the sub-Arctic North Pacific is poorly constrained, with many published records suffering from limited age control due to extensive post- depositional biogenic carbonate dissolution. Potential alternative dating methods could include the correlation of stable-isotopic and/or paleomagnetic secular variation records to an independently-dated regional template, however no...
Resource Type:: Dissertation
Full Text:: :__________________________________________________ Alan C. Mix Joseph S. Stoner The

Integrating Resource Planning with Bayesian Optimization

Creator:: Dolatnia, Nima
Abstract:: Bayesian optimization (BO) aims to optimize costly-to-evaluate functions by running a limited number of experiments that each evaluates the function at a selected input. Typical BO formulations assume that experiments are selected sequentially, or in fixed batches. Moreover, these experiments can be executed immediately upon request and have the same...
Resource Type:: Dissertation
Full Text:: with Bayesian Optimization Abstract approved: Sarah C. Emerson Alan P. Fern Bayesian optimization

Host susceptibility, histopathologic, and transmission studies on Ceratomyxa shasta, a Myxosporidan parasite of salmonid fish

Creator:: Johnson, Keith A. (Keith Alan), 1945-
Resource Type:: Dissertation
Full Text:: KEITH ALAN JOHNSON for the degree DOCTOR OF PHILOSOPHY --(Name of Student) in Microbiology presented on

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