Digital Commons Network^™

A Critical Analysis On Cogeneration Policy, R. Tjahjokartiko Gondokusumo

Theses

It could be difficult to understand electricity problems without knowing its history; how a combine of legal, administration, and financial means effects electricity in the development. The recent public law on energy-related issues traceable by this study is the Renewable Energy and Energy Efficiency Technology Competitiveness Act of 1989.

In short, cogeneration was proposed to utility (as public property) from industry (as private property) under PURPA (of which National Energy Act is the legislative history). Thus, it should be clear that the problems of cogeneration is not pro or contra issues. It is a national issue. Then, a cogeneration planner …

Improving The Throughput Of Plasticating Extruders : Measurement Of The Interparticulate Friction Coefficient For Polymeric Particulates With Circular And Profiled Cross Sections, Aiping Chen

Theses

This thesis deals with the coefficient of friction between individual polymeric pellets, the interparticulate friction coefficient (IPFC). It has been measured using a shear cell for a wide variety of circular and profiled cross?section pellets for a variery of polymeric materials. First, the thesis explains the reasons why it is desirable to enhance the IPFC based on the melting mechanisms in a single screw plasticating extruder. By making pellets with profiled cross?section pellets, the IPFC is greater than for pellets of circular cross?section. Second, it describes the test apparatus for measuring the IPFC and the method for calculating the IPFC. …

Light And Landscape, Stacey Neale

Theses

None provided.

Synthesis Diamond Films From Low Pressure Chemical Vapor Deposition, Mathieu Freeman Jon

Theses

Experiments were performed on the deposition of both diamond crystals and films from hydrogen and methane gas mixtures on silicon and polymer substrates by various plasma enhanced chemical vapor deposition techniques (PECVD) . Microwave, arc, and dc plasmas to assist the deposition of the diamond metastable phase of carbon were used. Discussed in the following thesis are the plasma configurations used together with experimental parameters such as gas composition, flow rate, chamber pressure, and power. The crystallinity of the films, which can be controlled and changed from polycrystalline to amorphous, was ascertained by scanning electron microscopy (SEM) . Other characterization …

Using Drama To Teach Drug Prevention Objectives In The Tenth Grade Language Arts Classroom, Mary Jo Teets

Theses

The primary objectives of this language arts unit were (a) to show that drug prevention objectives could be integrated into the secondary language arts curriculum without taking away time allotted for regular course objectives, and (b) to show that drama was an effective teaching strategy to combine language arts and drug prevention objectives. A secondary objective was to produce a video that could be used as a drug prevention tool with junior high school students. A six day unit which was taught to sixty-two tenth grade students at Grandview R-II High School in Jefferson County, Missouri, centered around producing five …

No Guarantees, Barbara J. Tefft

Theses

None provided.

The Oxidation Of Methylene Chloride Over Manganese Dioxide Catalyst, Jun Du

Theses

This research presents results from a study with the goal of using a transition metal oxidation catalyst, manganese dioxide (MnO₂) I to convert low concentrations of methylene chloride (CH₂Cl₂) in air and in a methane/air stream into CO₂, H₂O and HCl. Our objectives were to determine the oxidative effectiveness of the catalyst and its durability under the corrosive exposure to chlorine, HCl and other likely stack gas contaminants.

Experiments were carried out in a tubular packed bed integral reactor using gas chromatographic (FID and TCD) analysis for chlorocarbons and non-dispersive …

X-Ray Powder Diffraction, Scanning Electron Microscopy And Energy Dispersive Spectroscopy Studies Of Soil Containing Chromium Immobilized By Microwave Treatment, Nagui Ibrahim

Theses

The orientation of soil contaminants such as chromium is altered during microwave heating. The SEM and EDS were utilized in the study. The nature of the orientation is related to the heating time. This results in immobilizing the contaminant in leaching tests. The non-leachibility was related to the reactivity of the chromium salt with the soil hematite phase (Fe2O3) during the microwaving. This was proved By the X-ray diffraction analysis. The spectrums obtained from 30 and 60 minutes microwaved samples were identical in the crystal phases and were significantly different from the contaminated unheated sample.

Mathematical Modeling And Simulation Of The Progression Of Aids, Anju H. Nagpal

Theses

Acquired Immunodeficiency Syndrome (AIDS) caused by Human Immunodeficiency Virus (HIV) is a pernicious disease acknowledged as a world health problem. One of the major issues in the study of AIDS is understanding the manifestation and the progression of the disease following the transmission of HIV. Unfortunately, the present state of biological knowledge does not yet give us a reliable means of evaluating these phenomena. A simulation approach is, therefore, extremely useful in predicting the various phases of the deteriorating physiological status of the patient. In the present study we have focused on the development of a mathematical model of the …

The Accreditation Of Professional-Technician Occupations, Michael William Allgaier

Theses

This study investigates the relevance of different elements of accreditation as applied to professional and technical occupations. The impact of essential elements of typical accreditation programs on the outcome of the credentialing process is studied. The credentialing process is viewed in the context of how it affects the public safety, health and well being of society. The health, legal, engineering, and educational professions are analyzed to form a conventional professional base of comparison with the emerging professional-technical occupations in the nuclear industry, especially nondestructive examiners.

Nurses, attorneys, engineers, and teachers accreditation programs are analyzed for their strengths and areas for …

Removal Of Nitric Oxide From Flue Gas With Ferrous Cysteine Solutions, Chun-Chiao Chou

Theses

The removal of NO from flue gas with aqueous ferrous cysteine solution as the reducing agent was discovered by S. G. Chang et al. (1988), at University of California, Berkeley. The purpose of this research is to extend the experimental works done by Chang et al., and to find methods to minimize the problems associated with the sensitivity of the medium to oxygen gas and emission of nitrous oxide, a greenhouse gas. The main objective was to determine the feasibility of using ferrous cysteine in the treatment of NOx emissions from incinerators. In the present study, it was found that …

Automatic Contour Extraction From Hvem Image Of Microvessel, Yong-Gang Liu

Theses

The research work reported in the thesis is motivated by the problem raised in the biomedical research utilizing high voltage electron microscope (HVEM) to study microvessels. There the contour data of cross-sections of microvessels are fed into some special electronic device to reconstruct three-dimensional pictures of microvessels. However, the contour data acquisition as routinely conducted by manual operation. This tedious procedure costs large amount of human power.

In this thesis, computer image processing techniques are applied to replace the time-consuming manual operation. A synthetic method is recommended. A software with various digital image processing functions has been developed and tested …

Office Automation's Impact On Organizations, Hasan Mentes

Theses

The impact of office automation in today's business environment has a variety of major and minor effects on individuals from top level executives to middle management to secretarial and clerical workers. This effect also varies dramatically from corporation to corporation according to many factors. Such factors, as size, organizational philosophy, management structures, employee participation, educating practices and competitive boundaries, can cause diverse effects and reactions on organizations.

In order to ascertain an accurate awareness of the impact of office automation on organizations and its people, it was necessary to investigate a group of corporations of varied sizes, with different employee …

Memory Card Memory Read-Out Module For 8052ah Basic Single Board Computer, Yongyi Sun

Theses

A Memory Card Memory Read-out Module is described that is used to collect the data stored in the RAMs of 8052AH BASIC SBCs and transfer it to the storage of another system called stationary recall unit.

The motivation for this system is as follows:

Automatic Rail Diagnostic System (ARDS) of New Jersey Transit Rail Operation (NJTRO) will revolutionize the maintenance of rail cars by monitoring selected on-board subsystems and components. The on-board unit of ARDS is a data gatherer. It can collect data describing the status and performance of selected on-board operating subsystems and components. A 8052AH BASIC SBC is …

The Effectiveness Of Computer-Based Training On Management Skills Development, Donna Lisa Leonard

Theses

This paper evaluates the impact of Computer Based Mediums on training in management skills. The research explores current literature and technology developments of training functions in organizations. The paper involves some currently used methods and examines how they apply to the traditional training function. The information source's focus mainly on future trends, professional literature, academic texts, and interviews with professionals in the field of training, Human Resources, and technology. This paper examines the problems as well as the benefits of Computer applied HR and training functions.

The objective of this presentation is to clarify the idea of computerized technology in …

The Legal Studies Of Women Employees, Yi-Ling Lin

Theses

Discrimination against women in the workplace has always existed, but because few women in the United stated worked until the Second World War, it was not regarded as a major issue before then. Although Title VII of the Civil Rights Act of 1964 forbids employer and union discrimination based on race, color, religion, sex or national origin, many available studies still showed that most women experienced discrimination in employment, especially in salary and promotion. In addition, there were a growing number of cases of sexual harassment in the workplace. This study was concerned with the implementation and effectiveness of legislation …

Towards An Understanding Of Women's Status In The Labor Force, Despina Papageorgiou

Theses

The thesis examines the status of women in the labor force from the economic and sociological point of view. It explores both the occupational segregation and the differences in earnings.

None of the existing theories provides a sufficient explanation either of the causes of the problems, or of the effects of women's position in the labor force. Each study has its limitations.

The previous studies failed to predict the dynamic effects of the changes that rapidly take place in the business environment and the increasing demand for highly qualified and experienced professionals. These changes facilitated women's entrance to top-management positions …

Effective Use Of Management Information Systems In Manufacturing, Bhavik Shah

Theses

Information is the catalyst of management and the ingredient that coalesces the managerial functions of planning, organizing, actuating and controlling. The implementation of management information system (MIS) provides the vehicle by which management process can be administered and integrated. Information is at the core of creative thinking, which leads to new ways of improving products, process and services to the invention of new devices and to discovery of new marketable concepts. Thus information for an organization has a dual application for internal operation and external marketing potential.

The organization studied was a small to medium sized batch manufacturer of healthcare …

The Kinetic Study Of Degradation Of The Azo Dyes By Photolytic Ozonation And Photolytic Hydorgen Peroxide Oxidation, Hung-Yee Shu

Theses

The experiments which study the decomposition of azo dyes such as acid red 1 and acid yellow 23 by using ozonation, photolytic ozonation and photolytic hydrogen peroxide oxidation have been studied in laboratory sized reactor and pilot scale reactor to determine the reaction rate constants.

The rate constants and mass transfer coefficients were obtained by a series of experiments of varying complexity. A reaction kinetic model which describes the contemplated experiments was developed and exercised using the Rosenbrock Hillclimb Optimization Algorithm with the Forth-Order Runge-Kutta method. The effects between different hydrogen peroxide dosages and pH level were also analyzed.

In …

Outplacement Services : A Search For The Tools And Strategies That Improve Organizational Effectiveness, Geri P. Stowers

Theses

If outplacement is considered a necessity in this age of continuous mergers, acquisitions, and downsizing, then why do most companies find it difficult to utilize these services for all employees?

This thesis will assess previous research on outplacement and evaluate the reasons for limited use. A four page questionnaire containing nineteen questions was mailed to forty-two pharmaceutical and related industries. The survey questions focused on why and how these industries utilize outplacement services. A comparison study was done of the research versus what the pharmaceutical industries are actually practicing.

The results of the study revealed that most companies really do …

A Comparison Of Integrated And Differential Estimates Of Flourescent Intensity Profiles Using Digital Video Image Analysis, Langfang Wu

Theses

The dynamics of macromolecular transport across microvascular walls in the hamster cheek pouch have previously been studied by other investigators using fluorescence intravital microscopy. Fluorescein Isothiocyanate labeled Dextrans (FITC-Dx) of 20,000, and 70,000 molecular weight (FITC-Dx-20 and FITC- Dx-70) were used as macromolecular probes. Values of fluorescent intensity were previously recorded on videotape as a function of distance perpendicular to leaking vessels over a period of about 2.5 hr to allow for tracer equilibration in the interstitial space. In this study, these videotapes were played back frame-by-frame and 215x130-pixel windows around each leaking vessel were selected for further analysis of …

Trends Of Metals (Pb, Zn, Cd, Cr, Mn, Fe, Hg And Ni) Concentration In The New Jersey Air Environment, Shobha R. Boddu

Theses

The atmospheric concentrations and relative trends of ten trace elements (Co, Cd, Fe, Hg, Pb, Ni, Zn, Cu, Cr and Mn) were studied at Elizabeth and Carteret, New Jersey from July 1987 to September 1989. The specific sites are Industrial and Residential Interface areas. The analytical procedure involved collection of the airborne particulates on a quartz microfiber filter using a high volume sampler. The samples were digested and then analyzed using the atomic absorption spectrometer. Elizabeth usually showed lower values for the metals than Carteret. Average concentrations (ng/m3) for the respective metals over the entire project are: Metal: Co Cd …

Thermal Desorption Of Contaminated Soils, Chengdi Dong

Theses

The objectives of this research are of twofold, namely, to investigate the desorption behaviors of hazardous constituents evolved from several types of contaminated soils, and to evaluate the in-situ thermal treatment of organic chemical contaminated soil.

Two clay soil minerals and a silty sand with five organic compounds, dichlorophenol, trichlorophenol, pentachlorophenol, trichloroethylene, and tetrachloroethylene (TCE) were used in this study. The desorption behaviors were evaluated by thermogravimetric analyzer (TGA) and a simulator of in situ desorption by heating probes. The results of TGA analysis revealed that a completely removal of organic contaminants can be achieved in a moderate temperature. They …

The Application Of Microwave Technology To The Remediation Of Non- Volatile Organic-Contaminated Soil, Huiping Gu

Theses

The application of microwave technology to the remediation of soils contaminated with non-volatile organic chemicals is the subject of this thesis. It had been previously shown in this laboratory that volatile and semi-volatile organics could be steam distilled from soil. This study has been focussed on the applicability of microwave treatment of soil contaminated with non-volatile organics at relatively low temperatures achievable by in situ microwave treatment. Non-volatile toxics, like dioxin, pose their greatest danger when excavated and transported, according to the EPA, therefore, there is an urgent need for an in situ remediation process. Microwave treatment is one of …

Quality Assurance Studies For Collection Of Whole Air Samples In Stainless Steel Canisters, For Volatile Organic Compound Determinations, Weifang Ji

Theses

Internally polished stainless steel canisters are being used in many laboratories to collect whole air samples for VOC analysis. The replacement of adsorbents for collection and concentration of VOC by canister collection, with in-laboratory cryogenic concentration, may solve some problems associated with adsorbents, such as artifact generation and breakthrough. However, the canisters can be a source of new problems, ranging from wall adsorption to memory effects.

In this work, four major contamination sources in the whole air sampling and analyzing system have been identified. They are the canister internal adsorption, the whole system transfer line, the air pump and the …

Painting Perceptions, Jacqueline Domin

Theses

The computer is a multidisciplinary tool engaging all the senses. Creating with color, light, and motion is a rich visual experience enhanced by the vibrations of sound. These vibrations, both light and sound, are absorbed by the viewer and influence his experience. This makes the computer a profoundly different medium than the static arts. Artist have powerful tools with which to create experiences - paint perceptions. As a painter, creating rich visual relationships has been a focus for many years. Exploring the computer as an image making tool is different than using it for graphic design. It has taken years …

My Student Years, David J. Urgo

Theses

None provided.

Degradation Of Refractory Organic Pollutants In Tar, Water And Soil Matrices By Ozone Or Hydrogen Peroxide With Ultraviolet Light, Liang-Jiun Uang

Theses

The objective of this research is to develop a method to degrade refractory Tar materials, higher molecular weight 3-5 ring Poly Aromatic Hydrocarbons (PAH's) or degrading these highly refractory PAH structures so that they are amenable to further treatment by biological or chemical methods. The process utilized to achieve this is to treat contaminated soils or tar materials with hydrogen peroxide or ozone plus ultraviolet light. Analysis of 27 specific PAH's was done by gas chromatograph (Flame Ionization Detection) for the reactants and products. The contaminated soil showed significantly lower levels of these PAH's after treatment.

The Kinetics And Mechanism Of Photo-Oxidation Of Acrylonitrile And Acetonitrile With Hydrogen Peroxide And Ozone In Wastewater, Jung-Yuan Yeh

Theses

The study presents three types of Advanced Oxidation Processes , Ozone with UV, Ozone with Hydrogen Peroxide in the presence of UV, Various Hydrogen peroxide dosages and PH levels in the presence of UV.

A reaction kinetic model was proposed. The reaction rate constants and mass transfer coefficients are determined by a series of experiments and the use of the Rosenbrock Hillclimb Optimization Algorithm in conjuction with the Fourth ¬Order Runge - Kutta method on a digital computer.

Experimental results indicated that the Hydrogen peroxide with UV at low PH level has been proven more effective for the treatment of …

The Role Of African Women In Informal Industry : A Case Study, Ayorkor Eulalie Deganus

Theses

The informal industrial sector has in recent years been recognized by development agencies as an important area of economic activity which is capable of creating employment opportunities. This sector is also growing faster than its formal counterpart.

In developing countries, women dominate the informal sector by virtue of their traditional and unique roles in food processing, pottery and* basketry, alcholic beverage brewing, handicrafts, clothweaving, cosmetic manufacturing and a host of manufacturing activities. However due to a general misconception about the actual economic roles of women in society, very little attempt is made by development planners and agencies to improve their …