Digital Commons Network^™

Obscurant Oil Characterization Produced Through Vaporization By Exhaust Gas Of Mini-Jet Turbine Engine, Hossein Daniel Bahaghighat

Masters Theses

"Obscurants have been used for centuries to conceal and protect military assets from direct enemy attack, or as a signal between units. Obscurants still play a significant role in protecting soldiers on the battlefield. This research was geared towards development of highly efficient man portable obscurant generation system to demonstrate its use with biogenic oils as the obscurants. The research reported in the thesis was directed evaluating the performance of a mini-jet based generator in the laboratory and field with two different obscurant oils, Fog Oil (FO) the oil used by the US Army at present and potential replacement oil …

Unf Journal Winter 2008, University Of North Florida

UNF Journal

A university periodical for alumni and friends of the University of North Florida.

Flexible Service Provisioning For Heterogeneous Sensor Networks, Chien-Liang Fok, Gruia-Catalin Roman, Chenyang Lu

All Computer Science and Engineering Research

This paper presents Servilla, a highly flexible service provisioning framework for heterogeneous wireless sensor networks. Its service-oriented programming model and middleware enable developers to construct platform-independent applications over a dynamic set of devices with diverse computational resources and sensors. A salient feature of Servilla is its support for dynamic discovery and binding to local and remote services, which enables flexible and energy-efficient in-network collaboration among heterogeneous devices. Furthermore, Servilla provides a modular middleware architecture that can be easily tailored for devices with a wide range of resources, allowing even resource-limited devices to provide services and leverage resource-rich devices for in-network …

How Scientist/Founders Lead Successful Biopharmaceutical Organizations: A Study Of Three Companies, Lynn Johnson Langer

Antioch University Dissertations & Theses

The purpose of this study was to determine how the leadership of scientist/founders of biopharmaceutical companies affects the success of their organization. Over half of all biotechnology firms are founded by scientists, yet for every start-up biotech firm that succeeds, 15-20 fail and eight out of 10 drugs fail in clinical trials (Federal Reserve Bank of Dallas, 2007; Stanford Graduate School of Business, n.d.; Zhang & Patel, 2005). To bring a biopharmaceutical product from the research bench to the consumer costs more than $800 million (Tufts, 2007). This dissertation research explored the leadership practices of three successful scientist/founders and how …

Nurses’ Experience Of Leadership In Assisted Living: A Situational Analysis, Carole H. Bergeron

Antioch University Dissertations & Theses

This study concentrates on the voice of registered nurses as they describe their experiences of leadership within the nontraditional, non-institutional, non-hospital environment of assisted living. It further expounds upon regulatory and corporate information as context for the nurses’ leadership experiences. The desire to hear nurses describe their personal experiences of leadership influenced the decision to use grounded theory as a methodological process. The belief that voice requires context to be most effectively understood influenced, in turn, the addition of a situational analysis approach to the grounded theory methodology. As a result, interviews and scrutiny of contextual elements form the core …

Life-Affirming Leadership: An Inquiry Into The Culture Of Social Justice, Raquel Delores Gutierrez

Antioch University Dissertations & Theses

A new paradigm for leading social change is emerging; a worldview acknowledging the importance of leadership that is life-affirming and lasts over time. The current inquiry explored the ways in which the social reality of Life-Affirming Leadership is created and the implications those realities have for the current and future generations of social justice workers, their organizations, and the communities in which they work. The dominant paradigm for social justice work needs to be radically renovated (see Horwitz, 2002; James, 2005; Ohlson, 2006; Polansky, 2005; Utne, 2006; Wheatley, 2005; Williamson, 1997; Yáhzí, 2005); as such, a re-evolution is in progress, …

Energy-Flow – A New Perspective On James Macgregor Burns’ Transforming Leadership: A New Pursuit Of Happiness, Pi-Jern Caroline Fu

Antioch University Dissertations & Theses

This theoretical dissertation documents a personal transforming leadership experience; during which, I explored my Leadership as Energy-Flow model by having a virtual dialogue with the polymathic works of theorists and thinkers to corroborate and refine it. The model consists of a theory and a conceptual scheme. The energy-flow theory, based on the laws of physics and Chinese philosophy and cosmological science, fashions the energy-flow conceptual scheme. Using the conceptual scheme, I delve into the Premise of the Dialogue, “In what ways and to what extent would using the energy-flow frame of reference describe and stimulate new meanings in Transforming Leadership: …

Poetic Leadership, A Territory Of Aesthetic Consciousness And Change, R. Amrit Kasten-Daryanani

Antioch University Dissertations & Theses

Poetic leadership is a new theoretical construct that views leadership as an activity that unites a lyrical intellect with keenly felt emotion for the purpose of producing changes in the consciousness of self and others. This change begins within the interiority of self, moving surely to broader realms of one's surroundings and society, provoking movement that impacts the developing potential of the individual and the cultural milieu in which they exist. Emotion is the primary trace into consciousness used in this dissertation, which serves to unite experiences of the heart with experiences of the mind. The unification of these disparate …

Dimensions Of Mentoring Relationships In The Workplace: A Holistic Perspective, Miriam Grace-Rowland

Antioch University Dissertations & Theses

This was an exploratory study to understand the lived experience of those involved in mentoring relationships within a formal mentoring program in a corporate context. The researcher looked for rich detail about the nature of the relationship from the perspective of the mentor and mentee. To achieve a holistic perspective, the experience of organizational managers was deliberately included in the research. Exploration of this triadic relationship of mentor, mentee, and organizational manager has been neglected in the empirical literature. An exploration of where meaning intersected and diverged among the triad relationship members gave depth to the dimensional frame. Findings suggested …

Fostering Sustainability In Higher Education: A Mixed-Methods Study Of Transformative Leadership And Change Strategies, Kim H. Mcnamara

Antioch University Dissertations & Theses

As evidence of the earth’s limited capacity to sustain human life mounts, institutions of higher education are being looked to for leadership in the effort to educate students about environmental concerns and support the development of sustainable innovations. Colleges and universities are responding to this call for leadership by starting and/or expanding environmental research programs, integrating sustainability issues throughout the curriculum, adopting sustainable operations, and building green facilities. Reflecting upon the sustainability efforts of these institutions, this research study explores the following questions: What factors are essential for initiating and leading a successful change effort to foster sustainability in higher …

On Being A Nonprofit Executive Director, Janet Elizabeth Rechtman

Antioch University Dissertations & Theses

In describing the course of change in a dynamic field such as the nonprofit sector, neo-institutional theorists argue that isomorphic forces such as replication of best practices tend to increase the homogeneity of actors. This interplay of structure and agency creates what is known as the structuration of an institutional field. These theorists have little to say about the people who influence and are influenced by these dynamics. This study explores this personal experience at the micro level of the nonprofit field executive leadership. It focuses on their challenges related to the isomorphic pressures resulting from: (1) socio-economic roles, (2) …

Use Of Neutral Electrolysed Water (Ew) For Quality Maintenance And Shelf-Life Extension Of Minimally Processed Lettuce, Daniel Rico, Ana Belen Martin-Diana, Catherine Barry-Ryan, Jesus Maria Frias, Gary Henehan, José Barat

Articles

Experiments were conducted to determine the effectiveness of different treatments based on the use of neutral electrolysed water (EW) on fresh-cut lettuce. EW was diluted to obtain different free chlorine concentrations (120, 60 and 12 ppm) and compared with standard washing treatment of 120 ppm chlorine solution. Shelf-life quality and safety markers were studied at the beginning and at the end of the 7-day storage at 4 ºC. The use of EW decreased the respiration rate of the samples which might be related with the observed reduction in microbial spoilage. The use of EW also increased the activity of a …

Antioxidant Activity Of Spice Extracts And Phenolics In Comparison To Synthetic Antioxidants, M. Hossain, N. Brunton, Catherine Barry-Ryan, Ana Belen Martin-Diana, M. Wilkinson

Articles

The antioxidant capacity of 30 spices used frequently in ready meals and a selection of key compounds from spices were investigated in the current study using ferric reducing antioxidant properties (FRAP), 2,2'-azinobis(3-ethylebenzothiaziline-6-sulfonate) (ABTS) and microsomal lipid peroxidation (MLP) assays. Antioxidant capacities of the spice extracts were compared to 5 popular synthetic antioxidants [buylated hydroxyanisole (BHA), butylated hydroxytoluene (BHT), tert-butylated hydroquinone (TBHQ), propyl gallate (PG) and octyl gallate (OG)]. Results showed that clove extracts had the highest antioxidant capacity as measured by FRAP, ABTS and MLP assays. Extracts from garlic powder were the lowest ranked of all the spices examined. Synthetic …

Motivational Interviewing: Does It Increase Clients’ Retention In Intensive Outpatient Treatment?, David A. Patterson Silver Wolf (Adelv Unegv Waya) Phd

Brown School Faculty Publications

Motivational Interviewing (MI) is a clinical technique that has received considerable attention in the addictions arena over the past decade. In the present pilot study, the impact of providing up to five MI sessions during the first two weeks of intensive outpatient treatment (IOP), relative to the treatment as usual was addressed. The participants were 106 IOP patients, and a post-test design was utilized. Results showed that adding MI sessions during the first two weeks of IOP did not increase the number of days in treatment nor was there an increase in treatment completion. It is possible that the MI …

Formation And Removal Of Pesticides And Pesticide Transformation Products During Water Treatment, Evelyn F. Chamberlain

Doctoral Dissertations

"A comprehensive suite of over 60 pesticides (herbicides, insecticides, and fungicides) representing a variety of classes at environmentally relevant concentrations (low µg/L) were screened for reactivity under typical drinking water conditions and dosages. The most common oxidants/transformation agents in water treatment systems were examined for reactivity including free and combined chlorine, chlorine dioxide, permanganate, ozone, hydrogen peroxide, ultraviolet radiation, and high pH (alkaline hydrolysis). Due to the broad nature of the study, pesticide compounds were analyzed as multiple mixes broken into two groups based on analytical methods, those analyzed by GC/ECD and those by LC/MS. Combinations of reactive disinfectant/oxidant and …

Mechanics Of Dump Truck Vibrations In High-Impact Shovel Loading Operations, Nassib Aouad

Doctoral Dissertations

"The deployment of large machinery for low cost, bulk surface mine production operations has resulted in high-impact shovel loading operations (HISLO). In extreme cases, shovels load large dump trucks with 100-ton (or more) passes generating high-impact forces under gravity. HISLO generates high-frequency shockwaves that cause severe truck vibrations exposing operators to whole body vibrations (WBV). This WBV levels may exceed the recommended International Standards Organization (ISO) limits resulting in longterm lower-back disorders and other health problems. There is a need for fundamental and applied research to determine HISLO vibration levels for heavy mining machinery, their comparisons to ISO 2631 limits …

Integration Of Analysis And Deliberation To Evaluate Biodiesel Occupational And Environmental Exposures, Nora M. Traviss

Antioch University Dissertations & Theses

Many U.S. organizations interested in a renewable and domestic source of energy are considering switching from petroleum diesel to biodiesel blends for transportation and heavy-duty equipment use. Biodiesel is a fuel made from vegetable oils or waste grease. While there is a considerable body of evidence on the negative health effects of petroleum diesel exhaust exposures in occupational and urban settings, there has been little research examining the impact of biodiesel fuel on occupational and environmental exposures. This dissertation combined a collaborative exposure assessment of B20 (20% soy-based biodiesel/80% diesel) at a rural recycling center with a policy intervention to …

The Ecology Of Paradox: Disturbance And Restoration In Land And Soul, Rowland S. Russell

Antioch University Dissertations & Theses

This heuristic study explores environmental disturbance and ecological restoration in several North American settings in order to uncover epistemological, philosophical, aesthetic and ethical considerations revolving around those place-based processes. With fire as one of the central metaphors of this work, the initial place-based chapter examines Northern New Mexico's Pajarito Plateau to explore the region's fire ecology. The study then moves to the Pacific Northwest to draw restoration practice that attempt to restore wild salmon to urban Seattle habitat. The third place-based chapter focuses on the Midwest grass and farmlands in order to investigate the seeming contradictions between commodity and diversity …

Dwelling, Walking, Serving: Organic Preservation Along The Camino De Santiago Pilgrimage Landscape, Mercedes Chamberlain Quesada-Embid

Antioch University Dissertations & Theses

This study is an exploration of the people and the landscape of the well-known Camino de Santiago pilgrimage route. Although there are many routes that make up the entirety of the pilgrimage, this research is specifically focused on the landscape of the Camino Francés, or French Route, in northern Spain. The path has been written about in many ways and for a myriad of reasons since it became affiliated with the Christian tradition in the early ninth century. This research, however, is different. By way of an environmental history and hermeneutic approach, an investigation of the interrelated and overlapping human …

Evaluating U.S. Federal Marine Protected Areas Programs: A Comparative Analysis And Conceptual Framework, Rosemarie Ann Bradley

Antioch University Dissertations & Theses

Federal area-based marine protection and management in the United States is overseen by the National Marine Sanctuary Program, the National Estuarine Research Reserve System, the National Wildlife Refuge System, the National Park Service, and the National Marine Fisheries Service. Each agency and program represents a different approach to managing the oceans. Currently, no federal agency or program is responsible for evaluating the overall effectiveness of these programs. Evaluation is needed to determine whether programs are achieving their management objectives and conservation goals. Although evaluation protocols are legislatively mandated, implementation is inconsistent across programs.

Federal agencies have been criticized for failing …

Attitudes Towards One’S Aging Among Single, Professional, Highly Educated, Baby Boom Women: “I Don’T Know Who I Am, But I Am Not A Crazy Old Maid!”, Tatyana Shepel

Antioch University Dissertations & Theses

Age is a value-laden cultural construct as it conveys social attitudes toward aging. This qualitative research, using a grounded theory approach and critical feminist gerontology as a theoretical framework, makes visible the experience of growing older and the renegotiation of self-identity among the ten single, professional, highly educated women ages 47-59 who resided in the Pacific Northwest and lets their voices be heard. In this study ten in-depth interviews and one focus group provided narrative data that captured women’s experiences of aging and uncovered common themes. The explored phenomenon of aging is experienced in the various socio-cultural contexts and conditions …

The Prevalence Of Delinquency In Depressed And Substance Abusing Adolescent Girls, Susan C. Hunt

Antioch University Dissertations & Theses

Research conducted on the role of depression in delinquency among adolescent girls has found that depression can predict delinquency. It has been indicated that research should be conducted on how substance use and abuse play a role in depression and delinquency. Several studies have been conducted on adolescent girls in juvenile delinquent centres and institutions. Few studies have sampled subjects from community-based resources, i.e., street youth clinics, youth programs, or alternative schools. The central goal of the study was to explore delinquency in a group of depressed and substance-abusing adolescent girls in community-based settings including street clinics, youth programs, and …

Living Past Your Expiration Date: A Phenomenological Study Of Living With Stage Iv Cancer Longer Than Expected, Cynthia Levine

Antioch University Dissertations & Theses

More treatment options exist today for persons diagnosed with terminal cancerextending lives longer than expected though there is little known about the psychosocial needs or resources for these individuals. This study describes the experience of living past the expiration date and still living with Stage IV cancer. A transcendental phenomenological approach was used to elucidate vivid expressions of this experience in a sample population of five Caucasian women. The women survived beyond their prognoses of an earlier expiration are not close to imminent death and are still living with incurable breast cancer metastases. The aim of this phenomenological inquiry is …

Optimisation Of Steamer Jet-Injection To Extend The Shelf Life Of Fresh-Cut Lettuce, Daniel Rico, Ana Belen Martin-Diana, Catherine Barry-Ryan, Gary Henehan, J. Barat, Jesus Maria Frias

Articles

Optimisation of short time blanching (steaming) was investigated using response surface methodology by analysing quality and microbial and nutritional markers over the shelflife of packaged fresh-cut lettuce. Steamer treatment time (5–10 s) and storage (1–10 days) were used as independent factors in order to optimise the process. Longer treatments (>10 s) were not feasible because of extensive damage caused to lettuce tissue. Significantly (p < 0.05) higher values of luminosity (L*), greenness (−a*) and sensory panel scores (fresh appearance, general acceptability and absence of browning) were obtained with samples treated for longer times with the steamer. Activity of browning-related enzymes present in photosynthetic tissue decreased in all the cases, however, longer treatment time (7.5–10 s) was needed with vascular tissues to reduce to similar activity values. These differences could be explained by the variation in tissue thickness. The longest steam treatment (10 s) reduced and maintained significantly (p < 0.05) lower mesophilic load than shorter treatments (5–8.5 s). However, significant (p < 0.05) decreases in vitamin C and carotenoids were observed in samples treated with longer treatments. Steamer treatment of 10 s could be considered the optimum time for maintaining the shelflife (mainly texture and browning) of fresh-cut lettuce for 7–10 days in optimum conditions.

Dialogue As Performance. Performance As Dialogue, Laura Lynn

Antioch University Dissertations & Theses

This dissertation is an arts-based qualitative study in Leadership and Change that describes the qualities of dialogue revealed through the felt experience of Native and non-Native American music composers engaged in a dialogue through music composition. The fifteen co-collaborators who participated in the study range in age from three-years-old to elders. The study is theoretically embedded within Performance Studies, Dr. Carolyn Kenny’s music therapy model Field of Play, and aesthetic philosophy. Methodologically, this work is expressed through performance ethnography and autoethnography and privileges textual and non-textual modes of account including photographs, video excerpts, poetry, and music manuscript. The text is …

Annual Report 2006-2007, Connie Jan Maraan

SDRC Publications

No abstract provided.

Dirty Dancing: The Fda Stumbles On The Chevron Two-Step, Gary S. Lawson

Faculty Scholarship

Professor Lars Noah deserves much credit for exposing some of the myriad ways in which the Food and Drug Administration (FDA) has consistently sought to expand its authority through questionable, and perhaps in some cases abusive, legal practices.' As Professor Noah observes, there are signs that the federal courts' century-long honeymoon with the FDA may be ending 2 -and perhaps the FDA never deserved the solicitude that it has traditionally received from both the judiciary and Congress. 3 If Professor Noah can hasten the onset of a more realistic legal and public attitude toward the FDA, he will have performed …

Signal To Noise Improvements In On-Road No, So2, And Nh3 Measurements Using A Multi-Component Classical Least Squares Fitting Approach (Presentation), Gary A. Bishop, Donald H. Stedman

Fuel Efficiency Automobile Test Publications

No abstract provided.

Open Code Governance, Danielle K. Citron

Faculty Scholarship

Automated information systems offer an opportunity to improve the democratic legitimacy of the administrative state. Today, agencies transfer crucial responsibilities to computer systems. Computers gather and interpret important information. For instance, electronic machines record and calculate votes. Automated systems execute policy and render decisions about important individual rights, such as a person's eligibility for public benefits. Computer systems store sensitive personal information. These systems' closed architecture, however, shields vital agency decisions from view. No one can see how a system operates without a software program's source code. Closed code hides programming errors that disenfranchise voters, under-count communities for the census, …

Preemption And Products Liability: A Positive Theory, Keith N. Hylton

Faculty Scholarship

In a large number of products liability lawsuits, sellers assert that plaintiffs' claims should be rejected because their products fall under some federal regulatory regime, and that the regulatory statute takes precedence over or preempts state tort law. This paper is an attempt to set out a positive theory of the doctrine on preemption of products liability claims. The federal case law is largely consistent with an approach that seeks to minimize the costs of erroneous decisions to preempt tort lawsuits. In particular, two factors explain many of the outcomes of the preemption cases in federal courts: agency independence and …