Digital Commons Network^™

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 …

Trellis Coded Tamed Frequency Modulation In Rayleigh Fading Channels, Kiran R. Patel

Theses

It is usually difficult to reduce the effects of channel impairements on transmitted information. A fading channel is one such media in which digital communications system operates. A signal is subject to distortion in amplitude and phase when propagating towards the receiver. This puts constraint in required SNR at the receiver, for given performance. Various modulation/coding and demodulation/decoding techniques are employed to lessen the effects of fading. Bit error rate is a performance parameter that sets the criteria for signal design, system architecture and performance.

Here, a slow Rayleigh fading channel with three propagation paths possesing a scattering function of …

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 …

A Study Of Methane Gas Production On Anaerobic Digestion System, Seng-Fung Su

Theses

The anaerobic sludge digestion process is not a recent development. At least 100 years ago in France,Louis H. Mouras designed and constructed fermenters to liquefy the sludge obtained from domestic wastes.

Since the turn of the century, the anaerobic fermentation process has been used extensively in the treatment of waste-water solids.

The necessity of preventing pollution of water resource, as a consequence of the rapid increase in human waste, demands adequate treatment of liquid wastes from domestic and industrial sources. For this purpose, the anaerobic digestion process can play an important role as a method for stabilizing and eliminating wastes …

A Study Of Signal Cancellation Effects In Adaptive Arrays, Cheng-Der Sun

Theses

An adaptive array can automatically place pattern nulls in directions from which undesired signals (interference, jamming, or clutter, etc.) arrive and can also provide gain for a desired signal. The purpose of this study was to study the effects of the adaptive array on the desired signal while suppressing the undesired signal.

This was done by studying the transfer characteristics of the adaptive array between its input and output. In this study, C.W. jammers along with the desired signal were considered and input and output relationship of the adaptive array were determined. Several basic types of adaptive arrays were studied …

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 …

Demulsification And Separation Of Oil In A Water/Particulate System, Fong-Jung Tai

Theses

The wastewater generated from installation factories contains high suspended solids ( SS ) and oil. Effective removal of oil and clay particles in washrack wastewater can be achieved by using organic polymer TFL-398 alone or in conjunction with alum. The dissolved/emulsified oil concentration and suspended solids are used to represent the degree of oil demulsification and clay particles destabilization, respectively.

To improve the efficiency of oil demulsification and reduce the chemical consumption, pretreatment of the influent wastewater is essentially necessary. pH adjustment to 11-12 generally reduces chemical requirement. Total oil concentration was reduced significantly at pH = 11.7 without any …

Calcium Bentonite In Containment Structures, Ramnarayan K. Tirumala

Theses

Experiments were conducted on calcium bentonite from different sources to determine its suitability as a material for slurry wall. The emphasis was placed on cement-bentonite types of materials. A few tests were conducted on specimens consisting of soil-bentonite materials. Permeability, swelling potential, and immersion tests were conducted. Specimens were initially permeated with water to determine which variety of bentonite was most suitable and later with chemicals. In cement bentonite specimens, the effect of addition of blast furnace slag, fly ash, and sand were also studied. Addition of slag cement lowered the permeability value by an order of magnitude, and with …

Performance Studies Of Lapped Orthogonal Transforms, Frank E. Wadas

Theses

The comparative performance of several Lapped Orthogonal Transforms(LOTs) [1][2][3][12] is studied in this thesis . Blocking effects of conventional block transforms at low bit rates are reduced with LOT, through basis functions that overlap in adjacent blocks. The block transforms of Discrete Cosine Transform (DCT), Discrete Sine Transform (DST)[4], Discrete Legendre Transform (DLT), and the Modified Hermite Transform (MHT)[16] are extended to LOT in a way that a fast algorithm for nearly optimal LOTs is derived. The Markov and two different exponential correlation models are used as the source models for the derivation of these LOTs. It is shown that …

Behavior Of Slender High Strength Reinforced Columns Under Biaxially Eccentric Loading, Pei-Shiun Wu

Theses

The advantage of using high strength concrete is to reduce column sizes and to increase stiffness. At present there are not any available design aids and the code provisions that provide adequate guidelines for the design of slender columns in high strength concrete.

A total of four 3 in. by 3 in. dimension, 4 ft. length high strength concrete specimens were casted, cured and tested till failures in a vertical pinned-ended configuration.The experimental results were compared with the analysis using Hsu failure surface equation.

Moment, curvature and load deflection cures were obtained successfully from the present experimental tests. These curves …

Behavior Of Slender High Strength Steel Fiber Reinforced Concrete Columns Under Combined Biaxial Bending And Axial Compression, Tzuoh-Jaw Wu

Theses

A total of four slender high strength steel fiber ( 20 vol. hooked ends 1 in and 2 in ) reinforced concrete columns were casted, cured and tested to failure under biaxially eccentric load us—KT MTS testing system. The experimental load-deflection behavior exhibits not only the ascending branch but also the descending branch of the load and deformation curves.

The experimental ultimate load capacity was analyzed by the equation of Failure Surface Method developed by Hsu. recently, the result shows that the analysis method is able to predict the ultimate load value for biaxially loaded slender concrete columns.

For biaxially …

Chemical Activation Analysis Of The Reaction Of Methyl, Ethyl, Propyl And Butyl Radicals With O2, Hsing-Hui Yu

Theses

The addition reactions of methyl, ethyl, propyl and butyl radicals with molecular oxygen to form the energized adducts CH3OO#, CCOO#, CCCOO#, C₂COO#, C*CCOO#, CCCCOO#, CCCOO.C#, C2CHCOO#, C₃C00#, C*CCCOO#, CC*CCOO# and C*CCOO.C# and the reactions of the adducts to varied products have been analyzed using the bimolecular version of the quantum Rice-Ramsperger-Kassel (QRRK) theory. The analysis encompassed a temperature range from 200 to 2000 K and pressures between 0.001 to 10 Atm in argon (CH₃ + O₂ reaction only), helium and nitrogen bath gases. The calculations satisfactorily explain the experimentally observed rate constants for loss …

Temperature Dependent Current-Voltage Characteristics In Thin Sio2 Films, Jin Zhao

Theses

An analysis of the Fowler-Nordheim tunneling (FNT) theory and its application to temperature dependent current-voltage characteristics, of very thin films of SiO₂ on silicon, is presented. The final results are believed to provide the most complete examination of FN emission theory and predict the breakdown electric field in thin SiO₂ films. The role of the roughness, at the Si-SiO₂ interface, in determining the FNT current and breakdown mechanisms in metal-oxide-semiconductor (MOS) structures are also discussed.

Automatic Infrared Inspection Of Solder Joints On Mounted Circuit Boards, Ken Kekuan Zhou

Theses

This thesis reports the research work on automatic infrared and visual light inspections of solder joints on printed circuit boards (PCBs) utilizing an image processing system and statistical pattern recognition techniques.

A small scale image processing system, consisting of a SUN workstation and several DATACUBE modules, is set up for the research. Software packages for imaging, displaying and solder joint inspection are developed and ready for public usage.

The capability of infrared inspection for solder joints on PCBs is demonstrated. The fusing of infrared and visual light imagery for the inspection is shown to offer better results than that obtainable …

An Investigation Of The Dynamics Of Abrasive Waterjet Formation, Md. Ekramul Hasan Khan

Theses

The aim of this research was to investigate the jet formation and the jet behavior, as characterized by the velocity field, the force exerted by the jet on a work-piece and the jet geometry. The velocity and force distributions were measured using a laser transit anemometer (LTA) and a piezoelectric force transducer (PFT) respectively for constant water pressure (334.6 MPa) supply. The jet structure and its instantaneous behavior were visualized by the used of high speed filming. LTA and PFT measuring techniques were established and verified. The measurements were performed under different operating conditions. It was found that at a …

Investigation Of Mixed-Made Fracture In Concrete, Stylianos C. Aniftos

Theses

This study is aimed at evaluating the failure characteristics of concrete in the notched beam configuration. In general, for Mode I failure tension is commonly encountered. However, in the area of high shear stress, it remains to be a question whether shear or Mode II failure exists. Researches carried out in the past decade confirmed the existance of both Mode I and Mode II failure. It is the objective of this investigation to clarify this failure characteristics using FRANC an interactive fracture mechanics software.

The investigation carried out in this study used the experimental results of Bazant and Pfeiffer (3) …

The Non-Representational Language, Andrea Geer

Theses

None provided.

A Universal And Personal Art Through Tradition And Invention, Pamela Marie Larkin

Theses

None provided.

An Alphabetical Metamorphosis, Monica Granfield

Theses

None provided.

A Multi-Dimensional Visual History On The Upper Falls Of The Genesee River, Rochester, Ny, Bruce G. Robinson

Theses

None provided.

Entrapment Series: A Catalyst For Response, Cynthia Jansen Miller

Theses

None provided.

Historic Graphic Design At Rit, L. Clay Girouard

Theses

None provided.

Menu Design: A Typographic History, Janice M. White

Theses

None provided.

Rug Making: An Exploration, Karen Breen Cooper

Theses

The following pages were written out of the desire to know about the past, present, and future of rugs and the people who make them. In addition to studying written sources and questioning textile experts, searching of oneself became an integral part of the learning process. A journal was kept throughout the creative journey. Writing, questioning, and searching has become a large part of the creative process; therefore it was considered vital that some of these thoughts were shared. Technical proficiency with textiles has been viewed as having utmost importance. To master a skill, it should be learned, practiced and …

Improving Quality Consistency And Productivity Of Color Separators Utilizing The Dupont Image Manager, Enrique A. Arce B.

Theses

The magic key in any commercial transaction is to satisfy the customer's requirements. In the color separation market the customer's expectations are consistency in the product, and films that when printed will reproduce a clean visual match to the original copy. The variables that affect the quality, consistency, and productivity for the color separation process, were reviewed. The result of this review was that the operator's scanner set-up for tone reproduction is the most critical variable in the process. An estimate of the total cost in the United States caused by rescans due to inconsistency of the scanner set-up gave …

Felt Garments, Mitsuko Tarui

Theses

This series of garments is my conception of art and fashion. By using different approaches to fiber, I wanted to make each garment unique; giving it its own life and character. By continuously challenging art and fashion, I hope to establish a new category for functional fiber pieces in art. In order to accomplish this goal, "felt" was selected as my main medium. Felt is a unwoven fabric made from wool. It can be shaped into any form, and mixed with different materials. Out of this flexible medium, I wanted to make garments which were like three-dimensional fiber forms rather …

Illustrating Type, Gilbert Sennett

Theses

None provided.

In Purpose There Is Harmony, Trevor M. Tait

Theses

None provided.

Hovering At A Low Altitiude, Hagit Cohen

Theses

In the spring quarter of 1988 I became acquainted with computer graphics which opened up great visual possibilities for me. The computer enabled me to layer and integrate various photographic fragments of reality, and enhanced my ability to reveal aspects of my personality-- my fears, my desires, and my feeling of confusion between contrasting values within my life. I could now communicate on a more general level, dealing with not just personal but cultural issues such as the role of mythology in our everyday life and how we deal with all the information that we absorb in modern life.

Realistic Emergence, Roger Otis

Theses

None provided.