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Articles 9211 - 9240 of 10269
Full-Text Articles in Entire DC Network
Connected Narratives, Judith Geiger
The Ability Of Surfactants To Assist In The Removal Of Image Scum In Positive Resist Development, Michael P. Belden
The Ability Of Surfactants To Assist In The Removal Of Image Scum In Positive Resist Development, Michael P. Belden
Theses
An experiment was run to determine the ability of surfactants to reduce or remove scum produced during development of a positive resist. Anionic, cationic and nonionic surfactants were added to a low metal ion developer at concentrations between 0.025% and 0.57o. The film thickness loss due to development was measured, and image profiles were observed with scanning electron micrographs . Of the surfactants tried, Aerasol OT-75 (dioctyl ester of sodium sulfosuccinic acid) produced the best results, 9.57o film thickness loss with little image profile change. However, the experiment was limited by processing condition variables.
Factors Influencing Flexographic Tone Reproduction Including Types Of Printing Plate Materials Used, Bruce Capriotti
Factors Influencing Flexographic Tone Reproduction Including Types Of Printing Plate Materials Used, Bruce Capriotti
Theses
During the past three years, a number of photopolymer plates for flexographic printing have appeared on the market. The use of such a plate greatly simplifies flexographic platemaking by reducing the process to a level similar to that of a presensitized plate for offset lithography. A series of experiments were conducted to determine whether or not there were significant differences in the areas of half tone dots in different areas of the tonal scale on different types of flexographic plate materials all made from a single negative with a specially designed test object on it. Assuming significant differences were found …
An Investigation And Implementation Of Recommendation X.25 On A Motorola M6800 Based Network, Louis Nyerges
An Investigation And Implementation Of Recommendation X.25 On A Motorola M6800 Based Network, Louis Nyerges
Theses
A subset of the Recommendation X.25 protocol is implemented on a two node network. Each node accepts and translates data from the user in a sequential fashion into the appropriate protocol structure for transmission to another node. Each node has the capability of full duplex operation. The hardware is built around a Motorola M6800 microprocessor employing a minimum of 4096 words of random access memory and two asynchronous ports: one for communication with the user and the other for communication with the network. The software on each node contains the protocol programs and a multitasking monitor which is used to …
Effect Of Stabilizers On Gold Sensitization, Douglas E. Corbin
Effect Of Stabilizers On Gold Sensitization, Douglas E. Corbin
Theses
Previous work has shown evidence that some emulsion stabilizers can prevent rearrangement of adsorbed silver sulfide to a photographically active form. Full gold plus sulfur sensitization may be achieved by simultaneous introduction of the sensitizers or by adding gold after sulfur sensitization. As gold sensitization of an already optimally sulfur-sensitized emulsion may instead involve a direct chemical reaction, the effect of stabilizers on gold sensitization may not parallel their effect on sulfur sensitization. The stabilizers 6-methyl-4-hydroxy-l , 3 , 3a , 7-tet razaindene and l-phenyl-5-mercaptotetrazole retard but do not prevent gold sensitization in a sulfur sensitized emulsion. This may suggest …
Fluted And Faceted Porcelain, Barbara Greever
Wreckedangular Vision, Joseph Lesko
Photographs And Monoprints, Richard Gray
Weaving And Architectural Structure, Sonja Flavin
Dancing On A Wall, Jane Alden Stevens
Haloid Camera Xerography, Ronald Ruhl Talbott
The Manifestation Of Personal Philosophies Concerning Material And Form, Mark Methner
The Manifestation Of Personal Philosophies Concerning Material And Form, Mark Methner
Theses
None provided.
Towards A Simplification In Painting, Monica Smith
Accretion: Idea, Expression, And Humanism., Mary Campbell
Everywhere Is Somewhere, Ann-Bridget Clarke
A Comparison Of The Perception Of Juxtaposed Tones In Newspaper Images When Screened With Conventional And Random Dot Screens, Sylvia Monteiro
A Comparison Of The Perception Of Juxtaposed Tones In Newspaper Images When Screened With Conventional And Random Dot Screens, Sylvia Monteiro
Theses
The halftone process has been the conventional means of reproducing photographic artwork on newsprint. The use of relatively coarse screen rulings, dictated by the paper characteristics, produces an image with a noticeable dot pattern. Furthermore, the printing process is susceptible to extreme dot gain variation, which affects tone reproduction and the pictorial communication of the image. There were good reasons to suspect that a random dot screen could give more consistent tone rendition than a conventional halftone screen. A comparative study of the consistency of perception of conventional and randomly screened images when printed on newsprint has not yet been …
Densitometrically Measured Effective Dot Area As A Function Of Ink Hue, Jeffrey Latzko
Densitometrically Measured Effective Dot Area As A Function Of Ink Hue, Jeffrey Latzko
Theses
Percentage dot gain on coated and uncoated papers has been determined to be different depending on the ink hue used for 150 line screens. Cyan, magenta, yellow, and black inks all showed different amounts of dot gain from the printing plate to the paper- Effective dot area on the paper versus dot area on the printing plate data are presented.
The Stability Of Reciprocity Law Failure In Color Print Papers, Victoria L. Carriero
The Stability Of Reciprocity Law Failure In Color Print Papers, Victoria L. Carriero
Theses
A study of reciprocity law failure in Kodak Ektacolor 74 and 78 color print papers was carried out by a series of equal engery exposures. Using a color separating filter pack to differentiate the response of RLF of the individual emulsion layers an acceptable color print is attainable by using these curves to determine exposure and filtration changes.
Development Of A Quantitative Spectrophotometric Assay For Lectins, Kim E. Goppert
Development Of A Quantitative Spectrophotometric Assay For Lectins, Kim E. Goppert
Theses
A new quantitative spectrophotometric assay for lectins has been developed. It involves mixing a copolymer with a lectin solution and measuring the absorbance change as a function of time as the resulting solution becomes turbid. The slope obtained could be correlated quantitatively with the amount of lectin present. The assay has sensitivity problems at low lectin concentrations and also a reproducibility problem. More study is required in these two areas.
The Influence Of Merleau-Ponty, James Davis
A Software Translator For Color Projection Printing, Richard J. Quattrini
A Software Translator For Color Projection Printing, Richard J. Quattrini
Theses
A software translator that converts relative video analyzer reading to actual filtration and exposure values for color projection printing is developed and discussed. The translation involves a least squares matrix conversion which is derived from several prints with known filter packs and exposures.
Private Pictures In Public Places., Margaret Mcgarrity
A Sense Of Rasta, Omobowale Ayorinde
A Family Document, Ronald Richardson
Persistence Of Perception, Gary Hadlock Jr
Photographs Of Alexa, Elizabeth Scott
3 Films, David Carnochan
In-Store Marketing Will Sell More Brewers Beer Than Relying On Media Pull Strategy Alone, Ron Muchnick
In-Store Marketing Will Sell More Brewers Beer Than Relying On Media Pull Strategy Alone, Ron Muchnick
Theses
The subject discussed in this paper is the value of using in-store marketing techniques to sell more Brewers beer than would be sold by relying solely on additional advertising. This additional advertising would in effect create what is termed media pull in motivating the consumer to buy more Brewers beer. The effectiveness of additional media support was compared to a sales promotion with reseller merchandising and display effort. This comparison was made by conducting two field experiments.
The methodology used was conducting two price promotions on Brewers twelve-packs. Both sample display stores as well as non-displaying control stores were selected …
Theories Of Management: A Manual For Managers, Terrie Hearns Schwerdtfeger
Theories Of Management: A Manual For Managers, Terrie Hearns Schwerdtfeger
Theses
Terrie Hearns Schwerdtfeger’s thesis, Theories of Management: A Manual for Managers, serves as a practical guide aimed primarily at preparing individuals for roles in middle management, especially within healthcare institutions. The manual is structured around three central areas: managing oneself, managing subordinates, and managing the organization. Schwerdtfeger argues that successful management depends on mastering all three, as they are interrelated and in constant flux due to evolving business and societal demands. Drawing from both classical and contemporary theories, including those of Taylor, Herzberg, Vroom, and Maslow, the work addresses core concepts such as motivation, job enrichment, decision-making, organizational communication, …
Spontaneity In A Jungian Art Therapy Group, Ellen M. Sherwood
Spontaneity In A Jungian Art Therapy Group, Ellen M. Sherwood
Theses
The problem of spontaneity in a Jungian art therapy group is addressed in terms of the integration of intuitive/ unconscious processes with the more cognitive aspects of art therapy. An explanation of basic Jungian theory is given, focusing on the process of active imagination, which forms the theoretical framework of the study. Conclusions are based on phenomenological data in conjunction with the writer's cognitive and subjective experiences while running the group.