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1995

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Full-Text Articles in Engineering

Zastosowanie Modelowania Matematycznego Do Oceny Zanieczyszczenia Powietrza Powodowanego Przez Motoryzację, Marian Mazur, Robert Oleniacz, Bożena Biernat-Oleniacz Dec 1995

Zastosowanie Modelowania Matematycznego Do Oceny Zanieczyszczenia Powietrza Powodowanego Przez Motoryzację, Marian Mazur, Robert Oleniacz, Bożena Biernat-Oleniacz

Robert Oleniacz

The paper presents the results of an inventory of sources of air emissions from the city of Nowy Sacz (Poland) with regard to pollutant emissions from road transport, industrial processes, combustion plants and low-emissions from household furnaces. Particular attention has been devoted to assessing the impact of traffic on air quality in the city. Specified share of emissions from motor vehicles in the state of air pollution in the city center and its outskirts using the method of the atmospheric dispersion modeling.

English title: The use of mathematical modeling to assess air pollution caused by road transport.


Energy Efficient Office Building Design For A Hot And Humid Climate: Florida's New Energy Center, Florida Solar Energy Center, Philip Fairey Dec 1995

Energy Efficient Office Building Design For A Hot And Humid Climate: Florida's New Energy Center, Florida Solar Energy Center, Philip Fairey

FSEC Energy Research Center®

Hot and humid climates, such as those in Florida, pose unique challenges to architects and engineers seeking energy efficient office building designs. The severe impact of internal loads on cooling, the intense solar conditions and the need for increased ventilation set against high relative humidities, all serve to limit the success of many conventional methods of reducing building energy use. To provide a high-visibility demonstration of potential energy design solutions, the Florida Solar Energy Center (FSEC) is building a state-of-the-art office complex for its new facility in Cocoa, Florida.


Surface-Related Breakdown In Silicon: Imaging Of Current Filaments In Long P+-N--N+ Structures, B. J. Hankla, P. F. Williams, G. A. Frecks, F. E. Peterkin Dec 1995

Surface-Related Breakdown In Silicon: Imaging Of Current Filaments In Long P+-N--N+ Structures, B. J. Hankla, P. F. Williams, G. A. Frecks, F. E. Peterkin

P. F. (Paul Frazer) Williams Publications

We present Schlieren images which show the existence and evolution of current filaments during the very early stages of surface-related breakdown inside 1 cm silicon p+-n--n+ structures. These images confirm our previous finding that breakdown occurs in the silicon rather than in the ambient, and suggest that a streamerlike mechanism may be responsible.


3 Pertanyaan Umum Tentang Kutil Kelamin.Doc, Denature Indonesia Dec 1995

3 Pertanyaan Umum Tentang Kutil Kelamin.Doc, Denature Indonesia

denature indonesia

Salah satu virus yang paling umum dan menyebabkan penyakit pada kulit dan selaput lendir adalah virus papiloma manusia atau HPV. Ada lebih dari 100 jenis virus papiloma manusia, dan ada pula yang ditularkan melalui hubungan seksual atau menginfeksi daerah genital. Virus yang menginfeksi dari genital yang kemudian dikenal sebagai HPV penyebab kutil kelamin ini


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Response Function Of A Two-Dimensional Electron Gas In A Unidirectional Periodic Potential , S. M. Stewart, C. Zhang Dec 1995

Response Function Of A Two-Dimensional Electron Gas In A Unidirectional Periodic Potential , S. M. Stewart, C. Zhang

Faculty of Engineering - Papers (Archive)

The dynamical density-response function of a periodically modulated two-dimensional electron gas under a perpendicular magnetic field is calculated within the random-phase approximation. It is found that the response function is not only broadened by the periodic potential, it also contains a series of subsingularities at the band edges. The maximum number of subsingularities is 2nmax, where nmax is the number of occupied Landau leveles (the last level may be partially filled). It is further proposed that light-scattering or electromagnetic absorption experiments can be performed to study these predicted structures.


Minimization Of Sum-Of-Conditional-Decoders Structures With Applications In Finite Machine Epld Design And Machine Learning, Sanof Mohamedsadakathulla Dec 1995

Minimization Of Sum-Of-Conditional-Decoders Structures With Applications In Finite Machine Epld Design And Machine Learning, Sanof Mohamedsadakathulla

Dissertations and Theses

In order to achieve superior speed in sequencer designs over competing PLD devices, Cypress brought to market an innovative architecture, CY7C361. This architecture introduced a new kind of universal logic gate, the CONDITION DECODER (CDEC). Because there are only 32 macrocells in the chip, saving only one CDEC gate can be quite important (the well-known "fit/no-fit problem"). A problem that is related to the fitting problem of the Cypress CY7C361 chip is the SOC Minimization. Due to the limited low number of macrocells in CY7C361, a high quality logic minimization to reduce the number of macrocells is very important ...


Obat Aborsi Majalengka Wa : 0812-1515-6620 Klinik Jual Obat Aborsi Cytotec Di Majalengka, Anis Inayati01 Dec 1995

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Structural Characterization Of Aluminum Films Deposited On Sputtered-Titanium Nitride/ Silicon Substrate By Metalorganic Chemical Vapor Deposition From Dimethylethylamine Alane, Xiaodong Li, Byoung-Youp Kim, Shi-Woo Rhee Dec 1995

Structural Characterization Of Aluminum Films Deposited On Sputtered-Titanium Nitride/ Silicon Substrate By Metalorganic Chemical Vapor Deposition From Dimethylethylamine Alane, Xiaodong Li, Byoung-Youp Kim, Shi-Woo Rhee

Faculty Publications

Alfilmsdeposited on sputtered‐TiN/Si substrate by metalorganic chemical vapor deposition(MOCVD) from dimethylethylamine alane (DMEAA) were characterized using x‐ray diffraction(XRD),Auger electron spectroscopy(AES),atomic force microscopy(AFM), and transmission electron microscopy (TEM). The TiN filmsputtered on the Si has a preferred orientation along the growth direction with the 〈111〉 of the film parallel to the Si〈111〉. Sputtering of the TiN film on the Si induced strains at the interface. The TiN/Si interface is flat while the Al/TiN interface is rough. There exist many dislocations at the Al/TiN interface. The Al2O ...


Study On Passive And/Or Active Vibration Control For Flexible Structures, Qinghua Chen Dec 1995

Study On Passive And/Or Active Vibration Control For Flexible Structures, Qinghua Chen

FIU Electronic Theses and Dissertations

The purpose of this research is to present new methods of active and passive vibration control for flexible structures. The study includes: 1) passive viscoelastic damping treatment; 2 ) active vibration control using layered shape memory alloy (SMA); 3) combined application of viscoelastic damping treatment and SMA; 4) experiments.

In order to maximize damping and save weight of the structure and cost, a partially covered double sandwich cantilever beam model has been presented. It is shown that the double sandwich beam is better than single sandwich beam for some conditions. To take into account of end loads effect of elastic structures ...


The Measured Summer Performance Of Tile Roof Systems And Attic Ventilation Strategies In Hot, Humid Climates, Florida Solar Energy Center, David Beal Dec 1995

The Measured Summer Performance Of Tile Roof Systems And Attic Ventilation Strategies In Hot, Humid Climates, Florida Solar Energy Center, David Beal

FSEC Energy Research Center®

During 1994, simultaneous full-scale testing of residential plywood-decked roofing system was conducted using a flexible roof facility (FRF). The facility consists of a 24-ft by 48ft rectangular building with one large conditioned space under an attic that is partitioned into six separate test cells. Throughout the test protocol one cell was configured as a residential black-shingle roof system, employed as the baseline for comparison of the alternative roofing systems.

Two identical cells were employed during the summer of 1994 to investigate soffit and ridge venting. Tests of two different configurations best illustrate the results. A comparison of a sealed attic ...


Polymer Science In Australia Iv. Universities In Victoria And Southern Australia, Otto Vogl, David Solomon, Ezio Rizzardo, Robert A. Shanks, David Williams Dec 1995

Polymer Science In Australia Iv. Universities In Victoria And Southern Australia, Otto Vogl, David Solomon, Ezio Rizzardo, Robert A. Shanks, David Williams

Emeritus Faculty Author Gallery

No abstract provided.


Croatian Symposium Of Chemistry And Macromolecular Chemistry, Otto Vogl, Zvonimir Janovic Dec 1995

Croatian Symposium Of Chemistry And Macromolecular Chemistry, Otto Vogl, Zvonimir Janovic

Emeritus Faculty Author Gallery

No abstract provided.


52. Bengt Ranby, Otto Vogl Dec 1995

52. Bengt Ranby, Otto Vogl

Emeritus Faculty Author Gallery

No abstract provided.


Application Of The Industrial Expert System For The Choice Of The Electric Motors Of The Cement Factory Of Meftah, Algeria (Système Expert Industriel D’Aide Au Choix Des Moteurs Asynchrones En Cimenterie), Boukhemis Chetate , Cherif Kara, M. Fenneche Dec 1995

Application Of The Industrial Expert System For The Choice Of The Electric Motors Of The Cement Factory Of Meftah, Algeria (Système Expert Industriel D’Aide Au Choix Des Moteurs Asynchrones En Cimenterie), Boukhemis Chetate , Cherif Kara, M. Fenneche

Boukhemis Chetate

L’industrialisation en Algérie, qui a débuté dans les années 70, a été accompagnée par un choix non rationnel des installations électriques (surdimensionnement, pertes d’exploitation supérieures aux normes internationales, etc.). Aujourd’hui les pertes du réseau algérien de transport d’électricité et les normes de consommation (KWh/unité de production) sont supérieures aux normes en vigueur dans les pays industrialisés. Pour résoudre ces problèmes, il est nécessaire d’optimiser le fonctionnement des installations existantes en faisant appel aux technologies modernes, telles que l’intelligence artificielle et les moteurs électriques asynchrones à vitesse variable. Cet article présente un exemple d ...


Acuta Enews December 1995, Vol. 24, No. 12 Dec 1995

Acuta Enews December 1995, Vol. 24, No. 12

ACUTA Newsletters

In This Issue

From the President

Cabling for the life of your network

Planning today

FRED fights fraud

From ACUTA Headquarters


Using Mathematica To Aid Simulation Analysis, Paul Savory Dec 1995

Using Mathematica To Aid Simulation Analysis, Paul Savory

Industrial and Management Systems Engineering Faculty Publications

As computer power has increased, so has the capability of software developers to write programs that assist people with time-consuming tasks. Mathematica is such a program. The objective of this paper is to demonstrate how Mathematica, a symbolic programming environment, can be used to aid simulation analysis. In addition to a general discussion of Mathematica’s uses, advantages, and disadvantages, several examples will be presented. The examples include using Mathematica for distribution fitting, queueing analysis, random number generation, and creating a surface plot for optimization.


Ultrasonic Nondestructive Testing Method For Evaluation Of Annular Seals, Nazli Yesiller Dec 1995

Ultrasonic Nondestructive Testing Method For Evaluation Of Annular Seals, Nazli Yesiller

Civil and Environmental Engineering

No abstract provided.


Compressible Flow Analysis Of Thrust Augmenting Ejectors, Mohamed Moujahid Dec 1995

Compressible Flow Analysis Of Thrust Augmenting Ejectors, Mohamed Moujahid

Master's Theses - Daytona Beach

The present work was initiated due to the need for a method to understand and predict the thrust augmenting characteristics of jet ejectors. The mixing process in ejectors can be analyzed using either the control volume approach, or detailed models based on the Navier -Stokes Equations and the theory of turbulent jets. The control volume approach uses integrated forms of the conservation equations of mass, momentum and energy. It is chosen in the first part of the study since it affords the best vehicle for the parametric studies required to understand the potential of ejectors for a given application. Compressibility ...


Personality As It Relates To Performance Among Primary Flight Students At Embry-Riddle Aeronautical University, Caroline F. Farmer Dec 1995

Personality As It Relates To Performance Among Primary Flight Students At Embry-Riddle Aeronautical University, Caroline F. Farmer

Master's Theses - Daytona Beach

The purpose of this study was to evaluate the relationship of primary flight students' performance as it relates to personality. Previous research has provided the basis for the relationship between what an individual accomplishes and personality traits. The individual performance of 30 students were evaluated by two different techniques during an observer flight. One was an evaluation form developed by the researcher and the other, the flight instructor's (P.I.C.) evaluation. The performance data gathered by the researcher was collected in order to provide a secondary set of performance data in case there was no discriminability amongst the ...


Croatian Symposium Of Chemistry And Macromolecular Chemistry, Otto Vogl, Zvonimir Janovic Dec 1995

Croatian Symposium Of Chemistry And Macromolecular Chemistry, Otto Vogl, Zvonimir Janovic

Otto Vogl

No abstract provided.


Polymer Science In Australia Iv. Universities In Victoria And Southern Australia, Otto Vogl, David Solomon, Ezio Rizzardo, Robert A. Shanks, David Williams Dec 1995

Polymer Science In Australia Iv. Universities In Victoria And Southern Australia, Otto Vogl, David Solomon, Ezio Rizzardo, Robert A. Shanks, David Williams

Otto Vogl

No abstract provided.


52. Bengt Ranby, Otto Vogl Dec 1995

52. Bengt Ranby, Otto Vogl

Otto Vogl

No abstract provided.


17th Conference On Senior Engineering Design Projects, College Of Engineering And Applied Sciences Dec 1995

17th Conference On Senior Engineering Design Projects, College Of Engineering And Applied Sciences

Senior Engineering Design Conference

The 17th Conference on Senior Engineering Design Projects was held on December 5, 1995 at the College of Engineering and applied Sciences on the Parkview Campus of Western Michigan University. The college sponsors the conference to showcase the work of its graduating seniors, who are required to complete a capstone project that puts into practice what they have learned. Many of the projects are sponsored by business and industry.


Application Of Pulse Calorimetry To Metal Systems, Debasis Basak Dec 1995

Application Of Pulse Calorimetry To Metal Systems, Debasis Basak

Doctoral Dissertations

The pulse calorimeter developed as a part of the author's masters thesis was used extensively in the doctoral research to determine the electrical resistivity and specific heat of Ni, Ni4Mo, Fe-A1 alloys and Ni-A1. The temperature range of measurements varied with different specimens but in general were between 375 K to 1300 K.

The pulse calorimeter essentially consists of a specimen in series with a standard resistor and a programmable power supply. The specimen is inside a vacuum chamber. The programmable power supply can be triggered from the computer to send a specific current to the specimen ...


An Examination Of Railroad Capacity And Its Implications For Rail-Highway Intermodal Transportation, David Bruce Clarke Dec 1995

An Examination Of Railroad Capacity And Its Implications For Rail-Highway Intermodal Transportation, David Bruce Clarke

Doctoral Dissertations

After many years of decline in market share, railroads are now experiencing an increasing demand for their services. Service intensive intermodal transportation seems to be an especially promising market area. Since the historic decline in traffic has been accompanied by a reduction in network infrastructure, however, the railroads' ability to handle sizable traffic increases, at least in the short term, is in question. Since rail transportation is critical to the domestic economy of the nation, and is increasingly important in international logistics channels, shortfalls in railroad capacity are not desirable.

The published literature on railroad capacity is relatively sparse, especially ...


Activation Of Precipitated Iron Fischer-Tropsch Catalysts, Mehul D. Shroff Dec 1995

Activation Of Precipitated Iron Fischer-Tropsch Catalysts, Mehul D. Shroff

Chemical and Biological Engineering ETDs

The Fischer-Tropsch Synthesis (FTS) is an important step in the manufacture of synthetic fuels from coal. The use of iron catalysts for FTS, though desirable from the standpoint of process economy, is hampered by problems relating to catalyst attrition and carbon buildup. In addition, from a research perspective, there has been a long-standing controversy in the literature with regard to the nature of the active phase.

The effect of activation and reaction treatments on the resulting phase transformations in a commercial, precipitated and spray-dried, Fe2O3 - CuO - K2O Fischer-Tropsch catalyst have been studied. Different catalyst batches ...


An Interferometric Technique For B/A Measurement, E. Carr Everbach, R. E. Apfel Dec 1995

An Interferometric Technique For B/A Measurement, E. Carr Everbach, R. E. Apfel

Engineering Faculty Works

An isentropic phase method is described for measuringin vitro the acoustic nonlinearity parameterB/A of several aqueous buffers, protein solutions, lipid oils, and emulsions. The technique relies upon the use of an acoustic interferometer to measure the small changes in sound speed that accompany a rapid hydrostaticpressure change of between one and two atmospheres. Average accuracies of 0.85% are attainable with this method.


Design Guide For Cold-Formed Steel Trusses, Steel In Residential Construction Advisory Group Dec 1995

Design Guide For Cold-Formed Steel Trusses, Steel In Residential Construction Advisory Group

CCFSS Library (1939 - present)

No abstract provided.


Critical Assessment Of The Operator-Splitting Technique In Solving The Advection-Dispersion-Reaction Equation: 1. First-Order Reaction, Jagath J. Kaluarachchi, Jahangir Morshed Dec 1995

Critical Assessment Of The Operator-Splitting Technique In Solving The Advection-Dispersion-Reaction Equation: 1. First-Order Reaction, Jagath J. Kaluarachchi, Jahangir Morshed

Civil and Environmental Engineering Faculty Publications

Operator-splitting technique (OST) is a common mathematical approach used in the solution of the advection-dispersion-reaction equation (ADRE), especially in the presence of biological decay, where the scales of transport and biological decay are far apart. The OST introduces a time-lag between the advection-dispersion and reaction stages by splitting the ADRE causing a breakdown of the physics of the problem, thus limiting its applicability. In this work, the applicability of the operator splitting technique is studied in parts. This first manuscript addresses the critical limitations of the operator-splitting technique as related to first-order decay, and the second manuscript extends the work ...