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Investigations into the physiology of nitrogen fixation : Part I. Nickel metabolism of plants and bacteria : Part II. Peroxide scavenging in soybean root nodules

Creator:: Dalton, David Andrews
Abstract:: PART I. The concentration of nickel in some soils may be insufficient to meet the requirements of enzymes such as urease in soybeans and hydrogenase in Rhizobium. Nickel availability in soils was examined by measuring microbial urease activity in soils which were treated with glucose and urea. Supplemental nickel was...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE THESIS OF David Andrews Dalton for the degree of Doctor of Philosophy in Botany

Percolation of soil water as related to consumptive use

Creator:: Stevenson, David Stuart
Resource Type:: Masters Thesis
Full Text:: . Evans for his guidance and council in the preparation of this thesis. A special acknowledgement is

The effect of games on cognitive abilities and on attitudes toward mathematics

Creator:: Henry, Kermit Maxson
Abstract:: The purpose of this investigation was to determine if either of two selected commercial games, when used by seventh-grade mathematics teachers, would significantly improve students' (1) attitudes toward mathematics, (2) quantitative cognitive abilities, and (3) nonverbal cognitive abilities. Equations, a mathematics game, and Tac-Tickle, a strategy game, were chosen as...
Resource Type:: Dissertation
Full Text:: PrivacyIV" "V." V Thomas P. Evans The purpose of this investigation was to determine if either of two

The effects of new science materials and inservice training on teaching styles in the Ciskei, South Africa

Creator:: Macdonald, Mary Allyson
Abstract:: The purpose of the study was to analyze and compare the teaching styles of a trial group of junior secondary science teachers trained to use and using new materials, and a control group of teachers using traditional materials. The new materials consisted of portable science kits, demonstration apparatus, teacher's guides,...
Resource Type:: Dissertation
Full Text:: Abstract approved: Nap/ ro4.1,. - Redacted for privacy Thomas P. Evans The purpose of the study was to

Aircraft washrack wastes : their characteristics and treatment

Creator:: Evans, David Roland
Abstract:: Oils, greases, and grit which collect on an aircraft during flight are removed on the U. S. Air Force washracks using an alkaline, water-base cleaner. Waste-flows from these washracks may include in addition to free oils, emulsified oils, and alkaline, water-base cleaners several other constituents such as acid skin brightners,...
Resource Type:: Masters Thesis
Full Text:: Portland AFB. AIRCRAFT WASHRACK WASTES, THEIR CHARACTERISTICS AND TREATMENT by DAVID ROLAND EVANS

A brief basketball screening test to classify boys into homogeneous groups for instructional purposes

Creator:: Oas, David Evan
Resource Type:: Masters Thesis
Full Text:: HOMOGENEOUS GROUPS FOR INSTRUCTIONAL PURPOSES by DAVID EVAN OAS A THESIS submitted OREGON STATE

An assessment of electrophysiological and auditory processing instruments in relation to learning disabilities

Creator:: Evans, Evan L.
Resource Type:: Dissertation
Full Text:: Processing Instruments in Relation to Learning Disabilities AN ABSTRACT OF THE THESIS OF EVAN L. EVANS for

The influence of selected supplementary materials on standardized science achievement scores

Creator:: Frieske, Robert John
Abstract:: The purposes of this study were as follows: (1) to determine if the use of selected supplementary instructional materials, in the form of either computer assisted instruction or additional readings and worksheet presentations, could influence test scores relating to science achievement for fifth grade students, and (2) to determine whether...
Resource Type:: Dissertation
Full Text:: thanks to Dr. Thomas Evans, Dr. Margaret Niess, Dr. Howard Wilson, Dr. Jake Nice, and Dr. David Froman

A linear programming and sampling approach to the cutting-order problem

Creator:: Hamilton, Evan D.
Abstract:: In the context of forest products, a cutting order is a list of dimension parts along with demanded quantities. The cutting-order problem is to minimize the total cost of filling the cutting order from a given lumber grade (or grades). Lumber of a given grade is supplied to the production...
Resource Type:: Dissertation
Full Text:: -order problem AN ABSTRACT OF THE THESIS OF Evan D. Hamilton for the degree of Doctor of Philosophy in

Attitudes toward and achievement in science of secondary students in Kasetsart Demonstration School, Bangkok, Thailand

Creator:: Tunhikorn, Bupphachart Photisaro
Abstract:: The purposes of this study were to develop a valid and reliable attitudes toward science instrument in the Thai language and determine the differences in attitudes toward science and achievement in physical and biological science of Thai boys and girls in lower secondary education. The population consisted of 709 students,...
Resource Type:: Dissertation
Full Text:: Demonstration School, Bangkok, Thailand Abstract approved: Redacted for Privacy Thomas P. Evans The purposes

ScholarsArchive@OSU

Investigations into the physiology of nitrogen fixation : Part I. Nickel metabolism of plants and bacteria : Part II. Peroxide scavenging in soybean root nodules

Percolation of soil water as related to consumptive use

The effect of games on cognitive abilities and on attitudes toward mathematics

The effects of new science materials and inservice training on teaching styles in the Ciskei, South Africa

Aircraft washrack wastes : their characteristics and treatment

A brief basketball screening test to classify boys into homogeneous groups for instructional purposes

An assessment of electrophysiological and auditory processing instruments in relation to learning disabilities

The influence of selected supplementary materials on standardized science achievement scores

A linear programming and sampling approach to the cutting-order problem

Attitudes toward and achievement in science of secondary students in Kasetsart Demonstration School, Bangkok, Thailand

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