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Articles 8371 - 8400 of 10270
Full-Text Articles in Entire DC Network
Use Of An Incorparated Hardening Develpoer To Produce A Phase Modulated Hologram In A Silver Halide Material, Geoffrey B. Gretton
Use Of An Incorparated Hardening Develpoer To Produce A Phase Modulated Hologram In A Silver Halide Material, Geoffrey B. Gretton
Theses
A holographic material is investigated which uses an incorporated hardening developer in a fine grain silver halide emulsion to first obtain a hardening modulation in the gelatin, and then convert the hardening modulation to a refractive index modulation by alcohol dehydration similar to the dichromated gel process. The hardening modulation is observed but conversion to a refractive index modulation by alcohol dehydration is not seen. The feasibility and problems of the material are evaluated.
Hyperthesis: An Interactive Report, Martha Conners
A Calibration Study Of A Still Video System And Photomatic Color Separation Program, Carl M. Palmer
A Calibration Study Of A Still Video System And Photomatic Color Separation Program, Carl M. Palmer
Theses
None provided.
An Evaluation Of The Relationship Between Optimum Tone Reproduction And Reproduction Size, Thomas A. Benson
An Evaluation Of The Relationship Between Optimum Tone Reproduction And Reproduction Size, Thomas A. Benson
Theses
The thesis is an evaluation of preferred tone reproduction as a function of reproduction size. When photographs are reproduced photomechanically using the halftone process the main limitation in achieving a facsimile reproduction is the density range of the printing process. Because the printing processes normally used cannot achieve the same high density range as a photograph, tonal compression must occur. The manner in which the tonal compression is achieved has an important effect upon the appearance of the reproduction. The tone reproduction curve is a graphic method used to describe the relationship between the density of the original and the …
Private Spaces, Barbara Curtis
A Study On Doubling In The Offset Printing Process, Amal A. Ba'adarani
A Study On Doubling In The Offset Printing Process, Amal A. Ba'adarani
Theses
The purpose of this study was to test the usefulness of the Experimental RIT Doubling Target in identifying directional dot gain in the offset printing process. Doubling, a form of mechanical dot gain, contributes greatly to color variations while printing. Slur, another form of mechanical dot gain, is often confused with doubling. Dot Gain Test Targets currently in use often do not distinguish between the two. A slur test was carried out and the results showed that slur is not a contributor to directional dot gain. The target proved to be a visual and quantitative measure of Directional and Non-directional …
Interactions And Answers, Philip Murray
A Study Of Ink Trapping Comparing Gravimetric And Densitometric Methods Of Measurement, Jui-Lin Hsu
A Study Of Ink Trapping Comparing Gravimetric And Densitometric Methods Of Measurement, Jui-Lin Hsu
Theses
In 1958, Preucil suggested an equation to calculate ink trap based on measurements of a printed sheet with a densitometer. Preucil's equation was based on the additivity rule and the proportional rule. However, these rules do not hold in all cases. Several alternative equations have been suggested. This study intends to examine the effectiveness of three ink trap equations using densitometry by means of comparing the calculated values to those measured by the gravimetric method. An attempt is also made to estimate the value of maximum printable density, Dm, in Hamilton's equation. The theoretical basis of each equation is briefly …
A Survey Of Quality Awareness Within The Commercial Printing Industry, Craig Eric Veconi
A Survey Of Quality Awareness Within The Commercial Printing Industry, Craig Eric Veconi
Theses
Quality issues are receiving increasing attention from many industries. The commercial printing industry is showing similar concern. Quality is often used as a marketing tool. This thesis surveys the top management of American commercial printing companies on their awareness of, practice of, and benefit from currently recognized quality control concepts and methods. The National Association of Printers and Lithographers assisted in the survey by providing design and mailing services. The survey mailing went to the membership of N.A.P.L. and to an additional fifteen hundred commercial printing companies. The responses to this survey were compared to similar surveys conducted in 1987 …
Color Transformation Modeling For Printed Images Using Interpolation Based On Barycentric Coordinates, K. Douglas Gennetten
Color Transformation Modeling For Printed Images Using Interpolation Based On Barycentric Coordinates, K. Douglas Gennetten
Theses
This document is a report on the research of a potentially superior method of color image transformation for producing rapid and accurate printed color output from a digitized color image. The primary objective is to reduce the complexities, inaccuracies, objectionable artifacts, and processing time common to current methods of color modeling. A new method of vector-corrected mathematical modeling combined with improved color space interpolation is studied. This achievement allows for rapid automatic closed-loop color-match calibration between image capture and output devices. Currently, digital image creation or manipulation systems rely on image proof printing which is slow and often of poor …
Marketing And Feasibility Study For Launching A City/Regional Magazine In Rochester, New York, John K. Aizstrauts
Marketing And Feasibility Study For Launching A City/Regional Magazine In Rochester, New York, John K. Aizstrauts
Theses
A magazine's launch success and long-term survival depends on several key factors, among which are: 1. The presentation of valuable and/or interesting information to its target market audience. 2. Reaching the appropriate audience with that information. 3. Reaching a sufficiently large audience. 4. Attracting advertisers interested in the magazine's target audience. The four primary factors address the critical issues of finding a suitable marketing opportunity in terms of product and audience, as well as providing a viable medium with which advertisers can reach the same audience. Consequently, how well and quickly a magazine satisfies those factors will greatly influence its …
An Investigation Of Electrophoresis Gel Silver Staining Using Large Area Sample Inclusive Polymerization, Lloyd C. Litt
An Investigation Of Electrophoresis Gel Silver Staining Using Large Area Sample Inclusive Polymerization, Lloyd C. Litt
Theses
An electrophoresis silver stain was investigated using a unique method of sample introduction in polyacrylamide gel media. A protein inclusive polymerization technique is described that produces large area gels with controlled protein concentration steps. Using gels with Bovine Serum Albumin sample steps, an organic dye stain, Coomassie Brilliant Blue was found to be extremely linear in stain response. When used on a published silver stain (Merril,et. al.) a non-linearity caused by a diffuse background density was observed.
Optically Transparent Ir Reflective Heat Mirror Films Of Zns-Ag-Zns, Bruce W. Smith
Optically Transparent Ir Reflective Heat Mirror Films Of Zns-Ag-Zns, Bruce W. Smith
Theses
Optically transparent heat mirror films, reflective in the infrared, have been produced based on a dielectric - metal - dielectric design using zinc sulfide and silver coatings. Filters exhibit 87% peak transmission in the visible region, while reflecting 80%. in the infrared. Thermal testing indicated the that the layer filters were unstable to treatments above 300 F. Incorporation of thin barrier coatings of magnesium fluoride between the silver and zinc sulfide lavers produced filters with thermal stability to 700 F while retaining optical characteristics of the three laver svstem. These optical and thermal properties offer possible application for the heat …
Visual Metaphors In Computer-Generated Information Graphics, Sidney E. Jablonski
Visual Metaphors In Computer-Generated Information Graphics, Sidney E. Jablonski
Theses
None provided.
Photography In Lisbon, Portugal, Luis Pavao
Analysis Of High-Speed Rotating Systems Using Timoshenko Beam Theory In Conjunction With The Transfer Matrix Method, Beth Andrews O'Leary
Analysis Of High-Speed Rotating Systems Using Timoshenko Beam Theory In Conjunction With The Transfer Matrix Method, Beth Andrews O'Leary
Theses
Higher operating speeds and increased sensitivity of modern electro-mechanical systems require improved methods for the computation of critical speeds and system response of flexible rotating shafts. Many high-speed systems generally contain disks with masses approaching the mass of the shaft. These observations emphasize the importance of including the effects of rotatory inertia and shear deformation of the shaft in the analysis. Traditional theory, which models a massless shaft, would be inaccurate for these systems. An analysis of flexible rotor systems has been performed using the Transfer Matrix Method. Although the method is well known, the present study utilizes Timoshenko Beam …
Navigational Tool For The Graphic Design Archive, Ken Hayward
Navigational Tool For The Graphic Design Archive, Ken Hayward
Theses
The purpose of this thesis is to explore the possibilities of using animation to enable users to create a mental map of their location in a vast and complex sea of information. With computers' growing ability to give us large pools of information comes a need for us to use visual aids to help us feel comfortable while interfacing with these systems. This thesis will use animated sequences to help orient users as to where they are, where they have been (their path) and where they are able to go as they navigate through a system. These animations will be …
Interactive Animated Children's Story, Dale Frances Boris
Interactive Animated Children's Story, Dale Frances Boris
Theses
Although I will try to explain my thesis as a progression, in truth many things were happening simultaneously. It actually seems as though I was bouncing back and forth between solving the technical problems and the creation of the films. the project was large and each aspect might have been more successful if I had not had to split my concentration in this manner. On the other hand I have an interest in both types of endeavor and both parts were necessary to the whole. I suppose the solution (as always) would have been simply having more time.
Computer Generated Surface Design And Structural Weave, Elaine M. Polvinen
Computer Generated Surface Design And Structural Weave, Elaine M. Polvinen
Theses
"Computer Generated Structural Weave and Surface Design," the title itself is immensely broad and covers a very large area of study. The question asked at the beginning of this search was "What are the possibilities for textile design / fiber arts as far as the computer is concerned?" During the course of graduate school education, opportunities presented themselves to work on many different computer systems. Experimentation and creation of fiber art or surface design patterns have been produced on the Apple IIe, Artronic, Genigraphic, IBM, and Macintosh computers. Structural weave fiber art pieces have been designed on the Apple / …
Floralware, Lori Mills
Floralware, Lori Mills
Theses
Prior to my graduate studies, I had only worked in stoneware and porcelain. The firing temperature of the clays restricted the forms I could make and the color palette that was available. The discovery of earthenware clay and the multitude of colors available at low-fire temperatures allowed me to step into a new realm of possibilities in both form and decoration .
Experimental Graphic Design, George C. Wenzel
Dependence Of Stress And Resistivity Of Sputtered Copper Films On Deposition Conditions, Tse-Shih Chen
Dependence Of Stress And Resistivity Of Sputtered Copper Films On Deposition Conditions, Tse-Shih Chen
Theses
Stress and resistivity in sputtered copper films on glass and polyimide (Kapton H) substrates were studied as functions of deposition rate and argon working gas pressure. For deposition rates from 1 A/sec to 5 A/sec, three regions were studied at different argon gas pressures : (1) a compressive region at 2 mTorr, (2) a tensile region at 10 mTorr and (3) an intermediate region at 3.5 mTorr with a deposition rate of 4.8 A/sec corresponding to the transition from the tensile to the compressive region. Our results and discussions suggest that the morphology and impurity level are important factors in …
Points Of Hue, Andrea Kundin
Points Of Hue, Andrea Kundin
Theses
My intent in this thesis is to display the visual capabilities of the computer as a tool to assist fabric designers, interior designers and consumers in a growing and demanding market. These ideas evolved out of my own personal interest in two seemingly different yet historically related fields, computers and textiles, and my feeling that there might be an obvious solution to the somewhat complex problem of visualizing surface pattern, texture and color in relation to the environment.
A Corporate Identity Package For The Technical Association Of The Graphic Arts: A Methodological Approach, Charles G. Kuhn
A Corporate Identity Package For The Technical Association Of The Graphic Arts: A Methodological Approach, Charles G. Kuhn
Theses
The design problem concerning my thesis proposal was rather simple and clear-cut, the solution was certainly going to be more complex. the challenge for me was to create and develop a new organization identity for the Technical Association of the Graphics Arts (TAGA), an organization concerned and dedicated to the science and technology of the graphic arts. The original identity of TAGA lacked visual excitement, vitality and, above all, a cohesive and consistent appearance as it was used on printed applications. It also lacked a mark or symbol appropriate for an organization dealing in the field of graphic arts research …
Provenance Determination Of Bronze Age Pottery Using Neutron Activation Analysis, Debra Ann Kipler-Koch
Provenance Determination Of Bronze Age Pottery Using Neutron Activation Analysis, Debra Ann Kipler-Koch
Theses
Neutron activation analysis has been used for provenance determinations of Bronze Age pottery from two cities in the Jordan River and Dead Sea areas . A pottery shard group believed to represent the local clay composition of one of the sites based on statistical clustering procedures was used with a dilution factor method developed by H. Mommsen and colleagues (1) to determine the origin of the shards. Based on the dilution factor method, a provenance determination has been established for three of the thirty - two shards analyzed. Irradiations of 30 min, 1 hr, and 4 hr duration were performed …
Finite Element Analysis Of Embedded Blood Vessel Mechanics, I-En Lin
Finite Element Analysis Of Embedded Blood Vessel Mechanics, I-En Lin
Theses
Cardiac pump function is closely linked to myocardial oxygen supply during the cardiac cycle. Variations in cardiac output must be met with concurrent shifts in tissue blood flow if changing myocardial oxygen requirements are to be satisfied. Of particular importance is the adequate perfusion of the left ventricular myocardium. Experimental evidence indicates that some ninety percent of left ventricular oxygen demand is generated during systolic contraction of the myocardium. Paradoxically, blood flow measurements in the left coronary artery suggest minimal systolic perfusion. The asynchronous, phasic character of left coronary blood flow and myocardial oxygen demand has prompted much research into …
Family Album, Philip Burzynski
A Demonstration Of The Genigraphics: An Interactive Videodisk For Computer Graphics, Ruth Cohen
A Demonstration Of The Genigraphics: An Interactive Videodisk For Computer Graphics, Ruth Cohen
Theses
None provided.
Susan B. Anthony House Graphic Design Program, Leuan Zumwalt Baker
Susan B. Anthony House Graphic Design Program, Leuan Zumwalt Baker
Theses
The graphic design program for the Susan B. Anthony House was developed to promote the house and enhance the communication needs of the Susan B. Anthony Memorial, Inc., the organization that owns and maintains the house. The program consists of printed graphic material designed as a system based on clearly defined marketing objectives and design principles.
Pixel-By-Pixel Reduction Of Atmospheric Haze Effects In Multispectral Digital Imagery Of Water, John W. Francis
Pixel-By-Pixel Reduction Of Atmospheric Haze Effects In Multispectral Digital Imagery Of Water, John W. Francis
Theses
A study is described in which the effects of the atmosphere on a remotely sensed, multispectral image of water are reduced in a spatially varying manner. The near zero IR reflectance of a water body is used to compute the atmospheric path transmittance and atmospheric path radiance on a pixel-by-pixel basis for a LANDSAT-5 Thematic Mapper image of Lake Ontario. TM Band 4 (0.76-0.90um) image radiance measures are used to define the atmospheric path radiance. Radiosonde data and the LOWTRAN 6 atmospheric model are used to compute the equivalent atmospheric effects for the spectral regions corresponding to the visible wavelength …