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Articles 15781 - 15810 of 16562
Full-Text Articles in Entire DC Network
My Life And Times In Rochester, Leslie Miller
Communications System For The Center For Environmental Information Inc., Carlo Piech
Communications System For The Center For Environmental Information Inc., Carlo Piech
Theses
None provided.
Purse $1500, 3 Year Olds And Upward, John Karpen
Computer Predesign Of Cooke Triplet Anastigmat, Frank Vanek
Computer Predesign Of Cooke Triplet Anastigmat, Frank Vanek
Theses
There are many methods for designing the Cooke Triplet Anastigmat. In this thesis, one of them is programmed into a computer in BASIC language. Because of the length of the program, it had to be split into two separate programs using a data file to save data produced by the first and needed by the second. The first program uses the equation for system power, and the equations for Petzval curvature, longitudinal and lateral chromatic aberrations, space ratio to solve for the powers and spacings of the elements. Solution is accomplished by the Crout method of simultaneous equation solution and …
Design And Construction Of A Low Frequency Mtf Camera, Howard Bozenhard, Jerry Covey
Design And Construction Of A Low Frequency Mtf Camera, Howard Bozenhard, Jerry Covey
Theses
A low frequency Modulation Transfer Function Camera has been designed and constructed. Areal sinusoidal targets are imaged through a cylindrical lens and an objective lens to form transmission sinusoidal images. Modulation is changed by varying the background illumination. The range of available frequencies is from .3 to 30 cycles per millimeter, and the modulations available are 25, 33 44, 55 and 64%.
A Graphic Identity Program For Rochester Mental Health Center, Linda Patterson
A Graphic Identity Program For Rochester Mental Health Center, Linda Patterson
Theses
None provided.
Figurative Forms, Sue Ann Bucholz
Animated Ceramic Forms, Susan Hill
The Correlations And Validity Of Selected Community College Curriculums To Graduate Placement In The Industrial Occupations Within Selected Graphic Arts Companies In The United States, Howard Rose
Theses
The purpose of this investigation was to question the validity of community colleges' occupational goals for graphic arts programs in the United States. To accomplish this, a statistical investigation was designed to either accept or reject the hypothesis of the thesis, which was: If a community college's educational objective in a graphic arts program is to prepare the student for a specific occupational area and level of occupation in the graphic arts industry, then upon successful completion of the program, a personnel director of a graphic arts firm would hire the student for that area and level of occupation for …
Journal - September, 1974 - February, 1975, Thomas Jagger
Two Series Of Dye-Transfer Color Derivation Prints, Robert Pfeiff
Two Series Of Dye-Transfer Color Derivation Prints, Robert Pfeiff
Theses
None provided.
Optimization Of A Particular Aerial Photographic System By Simultaneous Intensification, Richard D. Young
Optimization Of A Particular Aerial Photographic System By Simultaneous Intensification, Richard D. Young
Theses
Under the conditions of a low-altitude, rapid access photographic system, a method of simultaneously intensifying image exposures is compared to low intensity latensification. The simultaneous intensification resulted in a speed increase of 2.4 times, while latensification produced a speed increase of 1.7 times. Latensification was more effective in most of the other responses that were analyzed: reduction of Contrast Index was less by 0.1; speed at the minimum gradient point defined by the untreated strips was increased by latensification by 1.29 times compared to 1.23 times by simultaneous intensification. The detective quantum efficiency of the latensified film was higher than …
The Construction Of Large Holloware Forms, James Chal
Inherent Rhythms In Nature, Wendy Forrest
Electrodeposition Of Metal Onto Glass, Janice Whitcraft
Containers: Architectural Forms, Timothy Martin
Fountains: Ceramic Forms That Contain Or Move Fluids, John Caster
Fountains: Ceramic Forms That Contain Or Move Fluids, John Caster
Theses
None provided.
Domestics I, Clifford Haac
Vesicular Image Formation In Silver Halide Materials, Ken Straub, Victor Woo
Vesicular Image Formation In Silver Halide Materials, Ken Straub, Victor Woo
Theses
An increase in gamma of fourteen can be obtained with a loss of one-third stop in speed by treating a silver halide film in a ten to thirty percent solution of hydrogen peroxide for five to fifteen seconds and heating it in sixty to ninty degree centigrade steam. Light refracting oxygen bubbles are formed in the emulsion proportional to the amount of silver metal present. Increasing the concentration of hydrogen peroxide was found to decrease speed while increasing gamma. Temperature of the steam was not a significant factor for speed or gamma. Increasing hardness of the gelatin, increasing peroxide immersion …
Cannibles Sauvages, Eric Mache
Dependence Of Sensitizer Concentration On Grain Size In Sulfur Sensitized Emulsion, Satoshi Sakamoto
Dependence Of Sensitizer Concentration On Grain Size In Sulfur Sensitized Emulsion, Satoshi Sakamoto
Theses
A series of emulsions (fine, medium and coarse) was precipitated by double jet addition. The surface area of each emulsion was determined by adsorption of l,l'-diethyl-2,2’-cyanine in varying amounts and measurement of spectral reflectance, and the electron micrograph of each emulsion was taken. The emulsions were sensitized with differing concentrations of thiosulfate sensitizer and for various digestion time. The relationships between grain surface, grain size, and sensitizer concentration were determined by combining the optimum results of three individual experiments. From the sensitometric properties, the relation between grain size and optimum concentration of sensitizer was determined. Also the relationships between grain …
An Examination And Evaluation Of Organizational Development Implementation And Its Effects In A Department Of An Institution Of Higher Learning, Duane Jelinek
Theses
None provided.
Theology In Art, Roger Richardson
Design Of A Yig-Tuned Oscillator, Tien Liang Jin
Design Of A Yig-Tuned Oscillator, Tien Liang Jin
Theses
A technique for designing YIG (yttrium-iron garnet) tuned transistor oscillators, tunable over the range of frequencies from 500 to 950 MHZ, is presented. The approach taken differs appreciably from that used in the design of conventional LC-tuned oscillators. One major difference is that the YIG tuning mechanism is electrically controlled. The YIG tuning element is treated as a single unit and is not resolved into an equivalent LC circuit. Instead, a direct method using reflection coefficients measured at network terminals to characterize various design stages is applied. The transistor is also characterized by reflection and transmission coefficients, i.e., S-parameters. Thus …
A Computer Based Analysis Of The Effects Of Rhythm Modification On The Intelligibility Of The Speech Of Hearing And Deaf Subjects, Harry Lang
Theses
The speech of profoundly deaf persons often exhibits acquired unnatural rhythms, or a random pattern of rhythms. Inappropriate pause-time and speech-time durations are common in their speech. Specific rhythm deficiencies include abnormal rate of syllable utterance, improper grouping, poor timing and phrasing of syllables and unnatural stress for accent and emphasis. Assuming that temporal features are fundamental to the naturalness of spoken language, these abnormal timing patterns are often detractive. They may even be important factors in the decreased intelligibility of the speech. This thesis explores the significance of temporal cues in the rhythmic patterns of speech. An analysis-synthesis approach …
The Effects Of Density And Bleach Concentration On Efficiency And Resolution In Phase Holograms, Mark Gardiner, Dennis Moran
The Effects Of Density And Bleach Concentration On Efficiency And Resolution In Phase Holograms, Mark Gardiner, Dennis Moran
Theses
None provided.
Illuminations, Fred Strebeck
Current Flexible Rotor-Bearing System Balancing Techniques Using Computer Simulation, John Kendig
Current Flexible Rotor-Bearing System Balancing Techniques Using Computer Simulation, John Kendig
Theses
As the cost of machinery has risen and the need for dependability, safety and increased performance have in a similar manner increased, the needs of industry for viable flexible rotor balancing techniques has no less increased. Various flexible rotor methods have been advocated for supercritical shafting, but few studies or comparisons have appeared in the open literature. Among the procedures for balancing large and/or high speed (supercritical) rotors are the "N" modal method of Bishop and Gladwell, the "N + B" modal of Federn, the "N" and " + B" simultaneous modal method of Kellenberger, and the influence coefficient method …
Photosolubilization Of Cuprous Bromide, Richard Frisicano, Jeffrey Harris
Photosolubilization Of Cuprous Bromide, Richard Frisicano, Jeffrey Harris
Theses
A dissolution system called photosolubilization invented in 1964 by R.K. Blake and applied to silver halide was investigated to determine the feasibility of adapting the system from silver to copper. After cuprous bromide was shown to be light sensitive and able to be insolubilized, using a mercaptan ( 2-mercapto-4-phenylthiazole ), many of the parameters affecting this process were determined. The best photosolubilization was achieved using a 1/100 mole ratio of mercaptan to cuprous bromide. Insolubilization improved with increased mercaptan digestion time while pH appeared to have little effect on this mechanism. PH did change final print-out density. Increased sensitivity was …
Evaluation And Testing Of Color Strength Measuring Methods In The Graphic Arts, Barry Sullivan, Donald Wilkalis
Evaluation And Testing Of Color Strength Measuring Methods In The Graphic Arts, Barry Sullivan, Donald Wilkalis
Theses
The term color strength is defined as the hue, saturation, and brightness of an ink in the C.I.E. scheme of color specification. With this definition two color strength measuring methods are evaluated on a common basis. A colorimeter is used to read samples produced with varied ink-film thicknesses and varied ratios of white pigment to sample ink. Colorimetric properties are plotted on a U.C.S. diagram with coordinates modified to include the C.I.E. brightness factor W*. The ink-film thickness method is chosen as the preferred method for determining color strength.