Digital Commons Network^™

The Design And Use Of An Interactive Sim_1998, Raymond Brady, Steven Flint, Gary Klimowicz

Historic Publications

AN ECONOMIC AND DEMOGRAPHIC ANALYSIS MODEL.

Locating A Mate In 3d: The Case Of Temora Longicornis, Michael H. Doall, Sean Colin, J. Rudi Strickler, Jeannette Yen

Arts & Sciences Faculty Publications

Using laser optics to illuminate high–resolution video–recordings, we revealed behavioural mechanisms through which males of the calanoid copepod species Temora longicornis locate females. Males of T. longicornis swam at significantly faster speeds than females along more sinuous routes, possibly reflecting adaptations to increase encounter with females. Upon approaching within 2 mm (i.e. two bodylengths) of a female's swimming path, males accelerated to significantly higher pursuit speeds. Pursuit trajectories closely traced the trajectories of females, suggesting that males were following detectable trails created by swimming females. Males of T. longicornis detected female trails up to at least 10 s old, and …

An Approach To Defining Greater Park Ecosystems And Its Application To Gros Morne National Park (Newfoundland), Karl Keough

Theses and Dissertations (Comprehensive)

Ecosystem management is an integrative, cooperative, adaptive approach to resource management that has evolved in response to the growing number of environmental and resource problems over the past several decades. One such problem, the threat to the world’s biodiversity, may be attributed to the destruction, degradation, and fragmentation of habitat resulting from the expanding human population, and the inability to set aside in strict nature reserves, sufficient habitat for wide-ranging mammals and fully functioning ecosystems. The Greater Park Ecosystem concept may be seen as the embodiment of ecosystem management in national parks and a response to the threat to biodiversity. …

Stakeholder Attitudes As A Resistance Toward Long-Range Management Of A Threatened Landscape: A Case Study Of Aggregate Use In The Township Of North Dumfries (Ontario), Kim Margaret Horrigan

Theses and Dissertations (Comprehensive)

The Township of North Dumfries is located in the rapidly expanding Municipality of Waterloo. This Township is in close proximity to Kitchener, Waterloo, Cambridge, Guelph, Hamilton, and is halfway between London and Toronto, with the primary east-west Highway 401 running through the Township. It is an unique area in that it is characterized by an abundance of prime agricultural lands, Environmentally Sensitive Policy Areas, and wetlands. In addition, the Township is underlain with a large quantity of good quality glacially derived aggregate materials. Land use conflicts have increased as a result of aggregate developers’ pressures on the resources of this …

Managing Urban Water Resources In A Developing Economy: The Case Of Owerri, Nigeria, Lawrence Chidi Anukam

Theses and Dissertations (Comprehensive)

Projections indicate that the disparity in population numbers will widen further by the year 2025 when the global population is expected to be 8.5 billion, and at that time about 84% will be living in the developing countries (World Resources Institute, 1992). The greatest proportional increase will occur in Africa, where the population is projected to nearly triple, from a 1990 level of 642 million to 1.6 billion in 2025. In 1997, the population of Nigeria alone was about 100 million, making it the largest country, in terms of population, in Africa. From 1960 to 1990, the average annual population …

Harding University Catalog 1998-1999, Harding University

Harding Academic Catalogs

Academic catalog for the undergraduate programs at Harding University.

Harding University School Of Education Graduate Catalog, 1998-1999, Harding University

Harding Academic Catalogs

Academic catalog for the graduate education program at Harding University.

A New Genetic Locus In Sinorhizobium Meliloti Is Involved In Stachydrine Utilization, Donald A. Phillips, Eve S. Sande, J. A.C. Vriezen, Frans J. De Bruijn, Daniel Le Rudulier, Cecillia M. Joseph

Biological Sciences: Faculty Publications

Stachydrine, a betaine released by germinating alfalfa seeds, functions as an inducer of nodulation genes, a catabolite, and an osmoprotectant in Sinorhizobium meliloti. Two stachydrine-inducible genes were found in S. meliloti 1021 by mutation with a Tn5-luxAB promoter probe. Both mutant strains (S10 and S11) formed effective alfalfa root nodules, but neither grew on stachydrine as the sole carbon and nitrogen source. When grown in the absence or presence of salt stress, S10 and S11 took up [14C]stachydrine as well as wild-type cells did, but neither used stachydrine effectively as an osmoprotectant. In the absence of salt stress, both S10 …

Developing Industrial Suppliers In Mexico, Abe Camacho

Graduate Research Papers

Research Questions:

1. Will cultural differences influence the effectiveness of developing Mexican industrial suppliers for U.S. international companies? 2. Will understanding the Mexican culture reduce time developing industrial suppliers for U.S. international companies? 3. Will developing Mexican industrial suppliers increase markets for U.S. international companies?

Calming Anxiety: Developmental Interventions For Multigenerational Parent-Child Therapy, Marilyn J. Montgomery, Camillel Debell, Judith Wilkins

Faculty Publications - Graduate School of Counseling

When parents bring a child or an adolescent to therapy, they often are anxious and want problems to be resolved as soon as possible. Sometimes, the counselor realizes that targeting interventions toward only the child will lead to limited change and might perpetuate the family's view of the child as a "problem." On the other hand, parents might resist suggestions for family therapy, believing as they do that the problem is located in the child. This article presents a method of working with both parents and the child that provides supportive therapy for the child while intervening with the parents …

Civil Rights And The Cold War: A Rhetorical History Of The Truman Administration And The Desegregation Of The United States Army, Steven R. Goldzwig

College of Communication Faculty Research and Publications

No abstract provided.

A Maximum Torque Per Ampere Control Strategy For Induction Motor Drives, O. Wasynczuk, Keith Corzine, S. D. Sudhoff, Jerry L. Tichenor, P. C. Krause, I. G. Hansen, L. M. Taylor

Electrical and Computer Engineering Faculty Research & Creative Works

In this paper, a new control strategy is proposed which is simple in structure and has the straightforward goal of minimizing the stator current amplitude for a given load torque. It is shown that the resulting induction motor efficiency is reasonably close to optimal and that the approach is insensitive to variations in rotor resistance. Although the torque response is not as fast as in field-oriented (FO) control strategies, the response is reasonably fast. In fact, if the mechanical time constant is large relative to the rotor time constant, which is frequently the case, the sacrifice in dynamic performance is …

An Improved Method For Incorporating Magnetic Saturation In The Q-D Synchronous Machine Model, Keith Corzine, Brian T. Kuhn, S. D. Sudhoff, H. J. Hegner

Electrical and Computer Engineering Faculty Research & Creative Works

An improved technique for incorporating saturation into the q-d axis model (Park''s model) of a synchronous machine is proposed. By choosing magnetizing flux linkage as a state variable, iterative procedures required by traditional methods are avoided. The saturation function is represented by an arctangent function which has some distinct advantages over polynomial representations and look-up tables. In particular, the parameters of the proposed function all have physical significance and the proposed function is defined over an infinite range of flux linkage. The model is verified for steady-state and transient conditions using a laboratory synchronous machine-rectifier system similar to those commonly …

From Whom No Secrets Are Hid, Geoffrey C. Hazard Jr.

Faculty Scholarship

No abstract provided.

Family At The Birth Of American Constitutional Order Essay, Mark E. Brandon

Essays, Reviews, and Shorter Works

No abstract provided.

Following The Drum Major For Justice: Reflections On Luther D. Ivory's Toward A Theology Of Radical Involvement: The Theological Legacy Of Martin Luther King, Jr. Symposium: 1998 Southeast/Southwest Law Teachers Of Color Conference: Review Essay, Steven H. Hobbs

Essays, Reviews, and Shorter Works

No abstract provided.

Legal Scholarship At The Crossroads: On Farce, Tragedy, And Redemption Commentary, Ronald J. Krotoszynski Jr.

Essays, Reviews, and Shorter Works

No abstract provided.

Acid Characteristics Of Dissolved Organic Matter In Wastewater, Jianmin Wang, C. P. Huang, Herbert E. Allen, Luis R. Takiyama, Ira Poesponegoro, Haryanto Poesponegoro, Dan Pirestani

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

The presence of dissolved organic matter (DOM) in a wastewater treatment system can significantly affect the uptake of heavy metals by sludge particulates. The characteristics of DOM, its concentration, and the solution pH are important parameters governing the heavy metals uptake reaction. The characteristics of DOM of various wastewater and sludge (primary, secondary, and tertiary) samples collected from four municipal wastewater treatment plants were investigated. Results showed that the dissolution of DOM from sludge is significantly affected by pH and suspended solids concentration. Results also showed that DOM contains two discrete acid groups that are available for metals complexation. The …

Evaluation Of Toxicity, Bioavailability And Speciation Of Lead, Zinc And Cadmium In Mine/Mill Wastewaters, Mujde Erten-Unal, Bobby G. Wixson, Nord L. Gale, Jerry L. Pitt

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

The toxicity of common compounds of lead, cadmium and zinc was evaluated in waters similar to that found in the world's largest lead producing area in Missouri. Static, acute toxicity tests were performed using fathead minnows (Pimephales promelas) and water fleas (Daphnia magna) respectively. Test organisms were subjected to varying amounts of sulfide, carbonate, chloride and sulfate salts of lead, zinc and cadmium mixed in hard, alkaline waters typical to this region. Median lethal concentrations were calculated using nominal versus measured metal concentrations. Measured metal concentrations included four different metal fractionation (extraction/filtration) techniques at different pH levels which included "dissolved", …

Calliope, Armstrong Atlantic State University

Calliope Magazine

Volume 15

Undergraduate And Graduate Catalog [1997-1998], Georgia Southern University

Undergraduate & Graduate Catalogs

No abstract provided.

1998-1999 Graduate Catalog, Armstrong Atlantic State University

Armstrong Office of the Registrar: Graduate Catalogs (Archived)

Academic catalog for Armstrong Atlantic Sate University

Armstrong Atlantic State University 1998-1999 Catalog, Armstrong Atlantic State University

Armstrong Office of the Registrar: Undergraduate Catalogs (Archived)

Academic catalog for Armstrong Atlantic State University.

Natural Treatment And On-Site Processes, Kevin D. White, Joel Gerard Burken

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

No abstract provided.

Perception And United States Nuclear Nonproliferation Policy, Katherine Ellen Fitch

College of Graduate Studies: Theses & Dissertations (1964–2006)

No abstract provided.

Leadership Attitudes And Job Satisfaction In Physical Therapy Clinical Education, Elizabeth Anne Weekley Thompson

College of Graduate Studies: Theses & Dissertations (1964–2006)

The need for examination of leadership and job satisfaction in physical therapy clinical education created the following research problem: is there a relationship between leadership attitudes, age, race, sex, entry level degree, highest educational degree, cumulative years of patient care and clinical teaching, cumulative years as an Academic or Center Coordinator, cumulative years of clinical practice, and job satisfaction for the Academic and Center Coordinators of Clinical Education? The Leadership Opinion Questionnaire, Index of Job Satisfaction, and demographic data sheets were mailed to the Academic Coordinators of Clinical Education at all accredited physical therapy academic programs in the United States, …

The Effects Of Aerobics And Walking On Social Physique Anxiety And Self-Esteem Of Female College Students, Jessica L. Lloyd

College of Graduate Studies: Theses & Dissertations (1964–2006)

The purpose of this investigation was to explore the effectiveness of walking and aerobics as a way of modifying body image apprehension and self-esteem of female college students. Participants from this study comprised 88 (25 African Americans and 63 Caucasians) students from a Southeastern university. The participants were administered the 9-item Social Physique Anxiety Scale (SPAS) (Martin, Rejeski, Leary, McAuley, & Bane, 1997) and the Rosenberg Self-Esteem Scale (RSES) (Rosenberg, 1979). Body composition, body weight, body height, and body mass index (BMI) were also evaluated. The participants performed in a 9-week walking or aerobics physical activity class. At the completion …

Quality Of Care Provided To Hiv-Infected Clients By Nurse Practitioners At A Specialized Nursing Center, Deborah A. Griggs

College of Graduate Studies: Theses & Dissertations (1964–2006)

This study evaluates the quality of care provided by nurse practitioners HIVinfected clients in a specialized nursing center in Georgia. Quality of care is evaluated using Donabedians' Structure-Process-Outcome domains as presented in the Unifying Model of Quality Health Care. Structure is evaluated as the nurse practitioners in this clinic providing health care. The interpersonal aspect ofthe process of quality health care is measured by the researcher developed Outpatient Client Satisfaction Survey. The technical aspect ofthe process ofquality health care is measured by the researcher developed Provider Adherence Measurement Tool which measures adherence to current clinical practice guidelines. Reliability and validity …

The Effect Of Work-Family Roles On Satisfaction For Military Officers' Wives, Clarice K. Shuman

College of Graduate Studies: Theses & Dissertations (1964–2006)

No abstract provided.

Teachers' Life Histories As Curriculum Context, Rebekah D. Kelleher

College of Graduate Studies: Theses & Dissertations (1964–2006)

This qualitative study focuses on the teacher as curriculum enactor. Using life history methodology, the study explores how ordinary teachers' life experiences impact their present classroom decisions. The purpose of the study is three-fold: to give voice to the classroom teacher as curriculum expert; to encourage reflective practice; and to contribute to curriculum knowledge by focusing on the enacted curriculum. Three female middle school teachers participated in structured and unstructured interviews in which they shared their life stories and reflected on the origin of their teacher knowledge and behavior. The researcher reviewed transcripts of interviews and notes from observations of …