Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

University of Central Florida

Discipline
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 6691 - 6720 of 7696

Full-Text Articles in Entire DC Network

Separation Of 1,3-Pentadiene From A Five-Carbon Olefin Mixture By Use Of 13x Molecular Sieves, Samuel G. Maller Jan 1980

Separation Of 1,3-Pentadiene From A Five-Carbon Olefin Mixture By Use Of 13x Molecular Sieves, Samuel G. Maller

Retrospective Theses and Dissertations

Piperylene concentrate is a complex mixture of 5-carbon unsaturates. The major components are trans-1,3-pentadiene and cyclopentene. The object of this work is to form a product high in cyclopentene and a product high in the pentadienes, through the use of 13X zeolite molecular sives. Separation by molecular sieves is difficult because of the tendency of trans and cis pentadience to polymerize o the sieve and to thus decrease the adsorptive capacity of the sieve. Nitrogenous bases (dimethylamine, pyridine, and piperidine) were used in an attempt to neutralize any acid sites on the sieve. Dealumination by EDTA was used to decrease …

Go to article

College Of Engineering Research Activities And Annual Report, July 1, 1979 - June 30, 1980, University Of Central Florida. College Of Engineering Jan 1980

College Of Engineering Research Activities And Annual Report, July 1, 1979 - June 30, 1980, University Of Central Florida. College Of Engineering

Research Activities & Annual Reports

Annual report of research activities and publications of the faculty and students of the College of Engineering, July 1, 1979 - June 30, 1980. Stamped "Received FEB 16 1981 Office of the President" on the page inside front cover.

Go to article

An Associative Backend Machine For Data Base Management, Alireza Hurson Jan 1980

An Associative Backend Machine For Data Base Management, Alireza Hurson

Retrospective Theses and Dissertations

It has long been recognized that computer systems containing large data bases expend an inordinate amount of time managing the resources (viz. central processing time, memory, ... etc.) rather than performing useful computation in response to user I s query. This is due to the adaptation of the classical machine architecture, the so called von Neumann architecture, to a problem domain that needs radically different machine architecture for an efficient solution. The characteristics that distinguish the computation for data base management systems are: massive amount of data, simple repetitive non-numeric operations and the association of a name space with the …

Go to article

The Ucf Report, Vol. 02 No. 18, December 12, 1979, University Of Central Florida Dec 1979

The Ucf Report, Vol. 02 No. 18, December 12, 1979, University Of Central Florida

The UCF Report

DOA says: 'You can borrow leave'; Schaal stresses 'accessibility'; Knight Notes.

Go to article

The Ucf Report, Vol. 02 No. 15, November 21, 1979, University Of Central Florida Nov 1979

The Ucf Report, Vol. 02 No. 15, November 21, 1979, University Of Central Florida

The UCF Report

Thanks to you, it worked! United Way tops goal; Knights win final game, 14-7; Knight Notes.

Go to article

Central Florida Future, Vol. 12 No. 13, November 9, 1979 Nov 1979

Central Florida Future, Vol. 12 No. 13, November 9, 1979

Central Florida Future

Students protest holding U.S. hostages (with photo); Government questions college audits; Iranian students support Khomeini, criticize U.S. for harboring shah; Future Newsfronts: Department offers new communication class; SG Finance Code revised to allow $400 yearly to clubs; Seventh UCF tour planned of New York City for Easter; Future Campus: Professors predict futureΓÇörain or shine; Instructors 'pair up' for genetic research (with photo of David T. Kuhn); Tenth annual College Bowl baffles 'em again; Future Bulletin Board: Grants offered to film students; Sewer conference sponsored by UCF; Library to change hours for holiday; Former member describes controversial church; New computer Ph.D. …

Go to article

The Ucf Report, Vol. 02 No. 14, November 14, 1979, University Of Central Florida Nov 1979

The Ucf Report, Vol. 02 No. 14, November 14, 1979, University Of Central Florida

The UCF Report

Groundskeeper gives tips on winter plant protection; Search for vice president narrowed down to five; Knight Notes.

Go to article

The Ucf Report, Vol. 02 No. 12, October 31, 1979, University Of Central Florida Oct 1979

The Ucf Report, Vol. 02 No. 12, October 31, 1979, University Of Central Florida

The UCF Report

Council on Research Membership announced; Budget the scarcest resource of all - Time; Knight Notes.

Go to article

The Ucf Report, Vol. 02 No. 11, October 24, 1979, University Of Central Florida Oct 1979

The Ucf Report, Vol. 02 No. 11, October 24, 1979, University Of Central Florida

The UCF Report

Birds aren't the only ones migrating southward; Lady knights aim for National Championship win; Knight Notes.

Go to article

The Ucf Report, Vol. 02 No. 10, October 17, 1979, University Of Central Florida Oct 1979

The Ucf Report, Vol. 02 No. 10, October 17, 1979, University Of Central Florida

The UCF Report

Pro & Con begins fifth season under direction of UCF professor; Popular UCF courses teaches wellness theory of medical care; Knight Notes.

Go to article

The Ucf Report, Vol. 02 No. 09, October 10, 1979, University Of Central Florida Oct 1979

The Ucf Report, Vol. 02 No. 09, October 10, 1979, University Of Central Florida

The UCF Report

UCF's 260-acre Research Park slated for opening by June, 1982; Chemist's contracts = winning formula; Knight Notes.

Go to article

Sandspur, Vol. 86, No. 02, October 5, 1979, Rollins College Oct 1979

Sandspur, Vol. 86, No. 02, October 5, 1979, Rollins College

The Rollins Sandspur

Rollins College student newspaper, written by the students and published at Rollins College. The Sandspur started as a literary journal.

Go to article

Optical Fiber Dispersion Characterization, Alan Edward Geeslin Oct 1979

Optical Fiber Dispersion Characterization, Alan Edward Geeslin

Retrospective Theses and Dissertations

This thesis discusses the dispersion of optical pulses in fiber waveguides. Procedures for determining the transfer function of an optical fiber using either time domain measurements or frequency domain measurements are given. A test set is described which uses time domain measurements for dispersion characterization. Complex transfer function data are presented for various fiber lengths as well as optical connectors. Prediction of bandwidths of long fibers from bandwidth/measurements taken on shorter length fibers is discussed. A relation between the bandwidth of cascaded connectors in terms of the bandwidth of a single connector is obtained.

Go to article

The Theory And Application Of Frequency Domain Deconvolution Using Optimum Compensation In Time Domain Measurement, Robert Bruce Stafford Oct 1979

The Theory And Application Of Frequency Domain Deconvolution Using Optimum Compensation In Time Domain Measurement, Robert Bruce Stafford

Retrospective Theses and Dissertations

This thesis describes a method of transforming a deconvolution problem into an equivalent convolution problem. A short discussion of the theory behind convolution and deconvolution is included, along with a survey of techniques now being used. A new method using a synthesized compensator is proposed and mathematically developed. Finally, the results of applying this method to several real and analytical signals are given.

Go to article

A Feasibility Study Of Computer Aided Coding Of Ground Operations Aerospace Language (Goal), Harvey Glenn Lanier Oct 1979

A Feasibility Study Of Computer Aided Coding Of Ground Operations Aerospace Language (Goal), Harvey Glenn Lanier

Retrospective Theses and Dissertations

The introduction of a new checkout language at Kennedy Space Center has required more effort to create test and operations software than anticipated. The new language is called GOAL, for Ground Operations Aerospace Language. The feasibility of a computer aided GOAL coding system that would reduce the effort required to create GOAL programs is investigated in this report. A background of GOAL, its coding requirements, and the facilities used at present for GOAL coding is presented first. Next, the computer aided GOAL coding concept is presented, and requirements for such a system are developed. After the requirements are presented, a …

Go to article

The Development Of New Filter Functions Based Upon Solutions To Special Cases Of The Sturm-Liouville Equation, Stephen Joseph Chapman Oct 1979

The Development Of New Filter Functions Based Upon Solutions To Special Cases Of The Sturm-Liouville Equation, Stephen Joseph Chapman

Retrospective Theses and Dissertations

Two common classes of filter functions in use today, Butterworth functions and Chebyshev functions, are based upon solutions to special cases of the Sturm-Liouville equation. Here, solutions to several other special cases of the Sturm-Liouville equation were used to develop filter functions, and the properties of the resulting filters were examined. The following functions were explored: Chebyshev functions of the second kind, untraspherical functions of the second and third kinds, Hermite functions, and Legendre functions. Filter functions were developed for each of the first five polynomials in each series of functions, and magnitude and phase responses were tabulated and plotted. …

Go to article

Ecological Responses Of Lake Eola To Urban Runoff, Harvey H. Harper Iii Oct 1979

Ecological Responses Of Lake Eola To Urban Runoff, Harvey H. Harper Iii

Retrospective Theses and Dissertations

Lake Eola is a land-locked lake located in downtown Orlando, Florida. Its surface area is approximately 27.0 acres (11.0 Ha) and water depth is 2 to 3 feet (0.6 to 0.9 meters) near the shore and 22 feet (6.7 meters) toward the center. Periodical water samples were collected from the lake and storm drains for various stormwater events and physiochemical parameters were analyzed to calculated loading rates from nutrients and heavy metals released to Lake Eola. Algal bioassay studies were performed to investigate stormwater impacts on productivity. Periodical water samples were collected from the lake mixed and filtered for limiting …

Go to article

Reliability Analysis Of Emergency Telephone System Models, Thomas J. Hobbs Oct 1979

Reliability Analysis Of Emergency Telephone System Models, Thomas J. Hobbs

Retrospective Theses and Dissertations

Several alternate systems for use in implementing the 911 emergency system in Orange County, Florida were investigated. The proposed systems were compared with the already existing systems on the basis of reliability, response time, and cost. System reliability was the prime consideration of the study. Flow charts of each system were formulated in order to determine the functions required of equipment and humans. The reliability was then determined by examining the difficulty of the tasks that each was required to perform. Reliability models of the present and proposed systems were constructed. By examining these models and comparing the reliabilities, response …

Go to article

A Microcomputer Implementation Of Real Time, Continuously Programmable Digital Filters, William Edward Storma Oct 1979

A Microcomputer Implementation Of Real Time, Continuously Programmable Digital Filters, William Edward Storma

Retrospective Theses and Dissertations

When a filter transfer function in s is replaced with the bilinear transform in z, the resulting discrete model represents the original continuous model within a second order accuracy of integration. A unique set of recently discovered minimum memory algorithms that perform the bilinear transform on a continuous transfer function are implemented on an INTEL 8080 microprocessor system. Scaling techniques are used to frequency scale all transfer functions to a standardized frequency. All data words are represented in a signed binary double precision format to maintain higher calculation speed and accuracy. Three test case transfer functions of different order are …

Go to article

The Ucf Report, Vol. 02 No. 07, September 26, 1979, University Of Central Florida Sep 1979

The Ucf Report, Vol. 02 No. 07, September 26, 1979, University Of Central Florida

The UCF Report

BOR News; Campus blood drive set for October 9; Faculty assembly; Knight Notes.

Go to article

The Ucf Report, Vol. 02 No. 03, August 8, 1979, University Of Central Florida Aug 1979

The Ucf Report, Vol. 02 No. 03, August 8, 1979, University Of Central Florida

The UCF Report

World-famous circus to benefit UCF Football; President reveals 1979-1980 budget: Quality improvement funds, equipment, tenure, contracts and raises, overall changes announced; Knight Notes.

Go to article

Central Florida Future, A Guide To Knight Life, 1979-1980 Aug 1979

Central Florida Future, A Guide To Knight Life, 1979-1980

Central Florida Future

A Guide To Knight Life; Hours of Operation [various campus offices]; Recreational Services; Office of Veterans; Where to go for Answers; Special Services UCF offers to its students: Peer Advisement, Career planning and placement; Child care facilities; Developmental Center; Special services; Map for the Lost Student; Cooperative Education; Handicapped Services; Financial Aid Information; Student organizations; Organizations' rules and regulations; Cheerleaders; PRESIDENT'S LEADERSHIP COUNCIL; Questions and Answers; student affairs; Dean of Men and Women; Academics and University Policies; Grade Point Average; Academic Discipline; Students rights and responsibilities.

Go to article

The Ucf Report, Vol. 02 No. 02, July 25, 1979, University Of Central Florida Jul 1979

The Ucf Report, Vol. 02 No. 02, July 25, 1979, University Of Central Florida

The UCF Report

Seton Hall faculty member to direct Minority Student Services; Holten named chairman of public service administration; Roast tickets still available; It's time to purge your mailing lists; Psychologist to discuss "The Hazards of Being Male"; Knight Notes.

Go to article

A Microcomputer Implementation Of A Flight Simulator Visual Display System, Jerry Wayne Campbell Jul 1979

A Microcomputer Implementation Of A Flight Simulator Visual Display System, Jerry Wayne Campbell

Retrospective Theses and Dissertations

The use of computer graphics has brought about a universal means of depicting phenomena or solving engineering problems. The combination of graphic and computer skills offers a solution to a number of technical needs. One major area that computer graphics can be used is in the field of flight simulation. The software packages necessary to project three-dimensional scenes for flight training are not very common. The purpose of this paper is to generate the programs necessary to allow the pilot to observe a three-dimensional scene from any location and angle. The report discusses some of the basic aspects of computer …

Go to article

Isomerization And Dehydrocyclization Of 1,3-Pentadiene, Thomas E. Marcinkowski Jul 1979

Isomerization And Dehydrocyclization Of 1,3-Pentadiene, Thomas E. Marcinkowski

Retrospective Theses and Dissertations

Piperylene concentrate is a complex mixture of 5-carbon unsaturated hydrocarbons obtained as a by-product when naphtha or gas oils are cracked. The major component in this mixture is 1,3-pentadiene. During the course of this study, a number of trials, utilizing liquid phase reaction conditions, were made to investigate the geometric isomerization of 1,3-pentadiene and its separation from the piperylene concentrate. Isomerization was accomplished employing catalytic amounts of iodine at temperatures ranging from 0°C to reflux. Using this method, the maximum amount of trans-1,3-pentadiene obtained was 70% as compared to 51% in the piperylene concentrate. Recovery of the product was 90%, …

Go to article

Software Quality Assurance, Edward C. Soistman Jul 1979

Software Quality Assurance, Edward C. Soistman

Retrospective Theses and Dissertations

The problems associated with software development and use are investigated from a management point of view. Having identified the critical aspects of effective software management, an approach is suggested for the creation and implementation of a software quality assurance program, Particular attention is focused on the concept of Life Cycle Procurement as currently utilized by the Department of Defense. The research was accomplished in two phases. The first consisted of an extensive literature search, seminar attendance and participation in several working groups assigned the responsibility for establishing software quality assurance guidelines. The second phase involved direct participation in the development …

Go to article

The Development Of Quiet Jet Engine Technology, Bradley D. Beck Jul 1979

The Development Of Quiet Jet Engine Technology, Bradley D. Beck

Retrospective Theses and Dissertations

The physical properties and subjective characteristics of sound and several special methods of measuring sound levels are discussed in order to provide a basic understanding of sound in general and noise in particular. The Federal Aviation Administration's regulation, FAR36, which stipulates the allowable perceived noise levels produced by commercial jet aircraft, is examined in detail. The principle of jet propulsion, the basic components of turbojet and turbofan engines, the theory of aerodynamic sound and the origin of the perceived noise decibel (which is the basic unit for measuring aircraft noise) are presented to provide an understanding of the fundamentals of …

Go to article

The Reproductive Biology Of The Diamondback Terrapin, Malaclemys Terrapin Tequesta, Richard A. Seigel Jul 1979

The Reproductive Biology Of The Diamondback Terrapin, Malaclemys Terrapin Tequesta, Richard A. Seigel

Retrospective Theses and Dissertations

The reproductive biology of the Florida east coast terrapin, Malalemys terrapin tequesta was studied during 1977-1978 at the Merritt Island National Wildlife Refuge, Brevard County, Florida. Mating occurred in small canals and ditches during late march and April. Terrapins exhibited a poorly developed courtship behavior system: this was attributed to the relative isolation of the species due to its brackish water habitat. Nesting occurred on dike roads, rather than on sand dunes as reported for other races of Malaclemys. Air temperature was the most important factor controlling nesting activity. One to three clutches were laid each year. Malaclemys appeared to …

Go to article

The Ucf Report, Vol. 01 No. 07, June 13, 1979, University Of Central Florida Jun 1979

The Ucf Report, Vol. 01 No. 07, June 13, 1979, University Of Central Florida

The UCF Report

Legislature adjourns after special session; Jonas named football coach; Whisler receivers NSF grant on women in science; Knight Notes.

Go to article

The Ucf Report, Vol. 01 No. 06, May 30, 1979, University Of Central Florida May 1979

The Ucf Report, Vol. 01 No. 06, May 30, 1979, University Of Central Florida

The UCF Report

Dr. Bill Brown named acting associate V.P.; Legislative conferees seek compromise budget; Education offers summer program; Knight Notes.

Go to article

First Prev Next Last