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Articles 19261 - 19290 of 21932
Full-Text Articles in Entire DC Network
Applicant's Guide To Traffic Impact Studies, Soumya Sekhar Dey, Jon D. Fricker
Applicant's Guide To Traffic Impact Studies, Soumya Sekhar Dey, Jon D. Fricker
JTRP Technical Reports
No abstract provided.
The Third International Conference On Expert Systems For Numerical Computing, Elias N. Houstis, John R. Rice, Robert Vichnevetsky
The Third International Conference On Expert Systems For Numerical Computing, Elias N. Houstis, John R. Rice, Robert Vichnevetsky
Department of Computer Science Technical Reports
No abstract provided.
Laboratory Study On Properties Of Rubber-Soils, Imtiaz Ahmed
Laboratory Study On Properties Of Rubber-Soils, Imtiaz Ahmed
JTRP Technical Reports
The waste tire problem in the United States is of great magnitude and has far reaching environmental and economic implications. This study investigates the feasibility of using tire chips, alone and mixed with soils, as lightweight material in highway embankments . The report contains: synthesis of all available information and results from laboratory testing of tire chips, rubber-Ottawa sand, and rubber-Crosby till. It is found that rubber-sand with chip/mix ratios of 33% or less exhibits excellent engineering properties: easy to compact; low dry density; low compressibility; high strength; and excellent drainage characteristics. On the whole, the rubber-Crosby till mixes do …
Library Profile/ Iowa State University, Pam Zager Rebarcak, Barbara Dean
Library Profile/ Iowa State University, Pam Zager Rebarcak, Barbara Dean
Against the Grain
No abstract provided.
Risk Allocation, Robert L. Bowen, John E. Kupke
Risk Allocation, Robert L. Bowen, John E. Kupke
Purdue Road School
No abstract provided.
Institutional Issues Affecting The Implementation Of Ivhs Technologies To Commercial Vehicle Operations In The State Of Indiana, James G. Kavalaris
Institutional Issues Affecting The Implementation Of Ivhs Technologies To Commercial Vehicle Operations In The State Of Indiana, James G. Kavalaris
Purdue Road School
No abstract provided.
Motivation, Walt Buescher
[Partnering], Donald G. Scott
Preface, Purdue Road School
Pavement Drainage And Pavement-Shoulder Joint Evaluation And Rehabilitation, Zubair Ahmed, Thomas D. White, Philippe L. Bourdeau
Pavement Drainage And Pavement-Shoulder Joint Evaluation And Rehabilitation, Zubair Ahmed, Thomas D. White, Philippe L. Bourdeau
JTRP Technical Reports
The objectives of this research were i) to evaluate the performance of pavement subdrainage systems ii) study the behavior of moisture conditions below pavements and iii) provide recommendations for unproved drainage criteria based on analysis of field data. Existing and retrofitted subdrainage collector systems were inspected through external visual inspection in combination with a probe for internal inspection. Distresses and deficiencies in construction observed were listed and compiled on video. A methodology for inspection is presented that can be used by highway agencies in monitoring the condition, need for maintenance, and performance of collector systems. Pavements with various types of …
Library Profile/ University Of California, San Diego, Karen Cargille, Barbara Dean
Library Profile/ University Of California, San Diego, Karen Cargille, Barbara Dean
Against the Grain
No abstract provided.
Minutes Of National Writing Centers Association Executive Board Meeting
Minutes Of National Writing Centers Association Executive Board Meeting
The Writing Center Journal
No abstract provided.
A Comparison Of Managers' Uncertainty Perceptions And Country Risk Indices, Kent D. Miller
A Comparison Of Managers' Uncertainty Perceptions And Country Risk Indices, Kent D. Miller
Purdue CIBER Working Papers
This study compares mangers' perceptions of political, government policy, and macroeconomic uncertainties with the ratings provided by a professional rish assessment service. Survey data from six Latin American countries indicate rank orderings of the coutnries based on managers' uncertainty perceptions differ fromt he professional rish assessment ranking.
Information And Normal Backwardation As Determinants Of Trading Performance: Evidence From The North-Sea Oil Forward Market, Gordon M. Phillips, Robert J. Weiner
Information And Normal Backwardation As Determinants Of Trading Performance: Evidence From The North-Sea Oil Forward Market, Gordon M. Phillips, Robert J. Weiner
Purdue CIBER Working Papers
In this paper we take advantage of a unique micro-database on forward trading in the international petroleum market, with information on the buyer and seller in each transaction. We utilize transaction-specific data to test directly predictions from the theory of normal backwardation vs. information-based predictions of who profits in these markets. We find that no trader groups make significan profits on interday measures. Within the day, however, groups likely to have superior information do make significant profits. The results are not supportive of normal backwardation, but are consistent with the time pattern of information dissemination in this market--deals made during …
Industry And Country Effects On Manager's Perceptions Of Environmental Uncertainties, Kent D. Miller
Industry And Country Effects On Manager's Perceptions Of Environmental Uncertainties, Kent D. Miller
Purdue CIBER Working Papers
International management research highlights political, government policy, and macroeconomic uncertainties. Strategy studeies focus on input supply, product market, and competitive uncertainties. This study develops and tests the reliability of an instrument for measuring managers' uncertainty perceptions. Data analyses using an international sample provide insights into the relative importance of country and industry factors for explaining managers' perceptions of different environmental uncertainties.
The Effect Of Trade Induced Displacement On Unemployment And Wages, Jon D. Haveman
The Effect Of Trade Induced Displacement On Unemployment And Wages, Jon D. Haveman
Purdue CIBER Working Papers
This study provides an investigation into the differences in the postdisplacement labor market experiences of workers separated from declining traded, expanding traded and nontraded industries. The results presented provide the beginnings of a bridge across the gap between what is known and what is perceived regarding the allocative efficiency effects of trade-related labor displacements. The strategy of the paper is to relate the postdisplacement experience of individuals to changes in the competitive position of the industry from which the individual was displaced. The investigative lens is primarily focused on the impact of changing industry competitiveness on the duration of unemployment …
The Uniform Soybean Tests: Northern Region 1993, J. R. Wilcox
The Uniform Soybean Tests: Northern Region 1993, J. R. Wilcox
Uniform Soybean Tests Northern Region
No abstract provided.
1993 Directory Of Indiana State, County, City And Town Officials Responsible For Road And Street Work, Herpicc
Indiana Local Technical Assistance Program (LTAP) Directory
Contact information for agency officials and employees responsible for Indiana’s local road infrastructure.
Tutoring Esl Students: Issues And Options, Muriel Harris, Tony Silva
Tutoring Esl Students: Issues And Options, Muriel Harris, Tony Silva
Purdue Writing Lab/Purdue OWL Publications
No abstract provided.
Interposed Abdominal Compression Cardiopulmonary Resuscitation: Are We Missing The Mark In Clinical Trials?, Charles F. Babbs
Interposed Abdominal Compression Cardiopulmonary Resuscitation: Are We Missing The Mark In Clinical Trials?, Charles F. Babbs
Weldon School of Biomedical Engineering Faculty Publications
Straightforward considerations of abdominal anatomy in human beings set tight constraints on the theoretically optimal technique for abdominal compressions during interposed abdominal compression (IAC)-CPR. The location and extent of the abdominal aorta lead naturally to the recommendation that IAC be applied at a level corresponding to the lower two thirds of the sterno-umbilical line. The force vector required to achieve contact compression of the abdominal aorta is inclined in the transverse plane at an angle of 11 degrees from the vertical toward the left. Such slightly angled compression subjects the abdominal aorta to maximally flattening; while the inferior vena cava …
Development Of A Rapidly Computable Descriptor Of Prostate Tissue Temperature During Transurethral Conductive Heat Therapy For Benign Prostate Hyperplasia, U H. Patel, Charles F. Babbs
Development Of A Rapidly Computable Descriptor Of Prostate Tissue Temperature During Transurethral Conductive Heat Therapy For Benign Prostate Hyperplasia, U H. Patel, Charles F. Babbs
Weldon School of Biomedical Engineering Faculty Publications
Benign prostate hyperplasia (BPH) is a condition in older men in which the mass of tissue in the prostate gland gradually increases over the course of many years, ultimately leading to urinary outflow obstruction. Current treatment of this condition is to surgically remove the obstructing tissue. One novel alternative therapy being studied is transurethral thermocoagulation of excessive prostatic mass. In this approach, a heat emitting catheter is placed in the prostatic urethra, and the intraprostatic segment of the catheter is heated to temperatures above 60 oC for one hour. Two dimensional cylindrical coordinate computer simulations of this treatment modality were …
Would You Run It Here ... Or There? (Ahs: Automatic Heterogeneous Supercomputing), H. G. Dietz, W. E. Cohen, B. K. Grant
Would You Run It Here ... Or There? (Ahs: Automatic Heterogeneous Supercomputing), H. G. Dietz, W. E. Cohen, B. K. Grant
Department of Electrical and Computer Engineering Technical Reports
Parallel programs often exhibit strong preferences for different system structures, and machines with the ideal structures may all be available within a single heterogeneous network. There is also the complication that, although a particular application might execute fastest when running by itself on one system, the best turnaround time might result from running the program on a diffeient system that is less heavily loaded at the time the job is submitted. In this paper, we suggest that application programmers should be able to write their code using whatever programming model, control or data parallel, they feel is most appropriate - …
A Spectral Flux Method For Solving The Boltzmann Equation, Muhammad A. Alam, Mark A. Stettler, Mark S. Lundstrom
A Spectral Flux Method For Solving The Boltzmann Equation, Muhammad A. Alam, Mark A. Stettler, Mark S. Lundstrom
Department of Electrical and Computer Engineering Faculty Publications
A spectral method for solving the Boltzmann equation by the scattering matrix approach is presented, The algorithm discussed can be used to simulate both bulk and device properties with arbitrary field profiles. Although the primary goal is to reduce the data storage problem of the scattering matrix approach, many of the concepts and mathematical properties developed may be useful for other traditional spectral methods as well.
Minority-Carrier Mobility Enhancement In P+ Ingaas Lattice Matched To Inp, E. S. Harmon, Michael L. Lovejoy, Michael R. Melloch, Mark S. Lundstrom, D. Ritter, R. A. Hamm
Minority-Carrier Mobility Enhancement In P+ Ingaas Lattice Matched To Inp, E. S. Harmon, Michael L. Lovejoy, Michael R. Melloch, Mark S. Lundstrom, D. Ritter, R. A. Hamm
Department of Electrical and Computer Engineering Faculty Publications
Minority electron mobilities in pf-In0.ssGac4, As have been measured with the zero field time-of-flight technique. The room-temperature (297 K) minority electron mobilities for p+-In,, 53Gac47A~ doped 0.9 and 3.1 x 10” cmm3 are found to be 2900 and 3300 cm* V-’ s-l, respectively. These are the first measurements to demonstrate enhancement in minority-carrier mobility as doping is increased for heavily doped Ines3Gae.4+s. This enhancement in mobility as doping is increased is similar to that observed in p+-GaAs, which has been attributed to reductions in plasmon and carrier-carrier scattering between minority electrons and majority holes.
Concentration‐Dependent Optical‐Absorption Coefficient In N‐Type Gaas, Gregory Benedict Lush, H. F. Macmillan, S. Asher, Michael R. Melloch, Mark S. Lundstrom
Concentration‐Dependent Optical‐Absorption Coefficient In N‐Type Gaas, Gregory Benedict Lush, H. F. Macmillan, S. Asher, Michael R. Melloch, Mark S. Lundstrom
Department of Electrical and Computer Engineering Faculty Publications
The doping-dependent, near-band-edge optical-absorption coefficient CY(h v) was deduced from optical transmission measurements in n-type GaAs thin films. The selenium-doped films were grown by metalorganic chemical-vapor deposition and do ed to produce room-temperature electron concentrations from 1.3 x 10” to 3.8X 1018 cm- P . The transmission measurements covered photon energies between 1.35 and 1.7 eV and were performed on double heterostructures with the substrate removed by selective etching. The results show good qualitative agreement with previous studies and good quantitative agreement, except for the heavily doped samples. For na=3.8 X 10” cme3, a( 1.42 eV> is approximately four times …
Experimental Observation Of A Minority Electron Mobility Enhancement In Degenerately Doped P-Type Gaas, E. S. Harmon, Michael L. Lovejoy, Michael R. Melloch, Mark S. Lundstrom, T. J. De Lyon, J. M. Woodall
Experimental Observation Of A Minority Electron Mobility Enhancement In Degenerately Doped P-Type Gaas, E. S. Harmon, Michael L. Lovejoy, Michael R. Melloch, Mark S. Lundstrom, T. J. De Lyon, J. M. Woodall
Department of Electrical and Computer Engineering Faculty Publications
The variation of minority electron mobility with doping density in p+-GaAs has been measured with the zero-field time-of-flight technique. The results from a series of nine GaAs films doped between 1 X lOI and 8 X 10” cmm3 show the mobility decreasing from 1950 cm2 V-’ s-l at 1 X 10” cmm3 to 1370 cm2 V-l s-l at 9X 10” cmB3. For the doping range 9 x 1018-8x 1019 cme3, the decreasing trend in mobility is reversed. The measured mobility of 3710 cm2 V-’ s-l at 8 X 10” cmp3 is about three times higher than the measured value at …
Modeling With A-Patches, Chandrajit L. Bajaj, Jindon Chen, Guoliang Xu
Modeling With A-Patches, Chandrajit L. Bajaj, Jindon Chen, Guoliang Xu
Department of Computer Science Technical Reports
No abstract provided.
Collaborative Multimedia Scientific Design In Shastra, Vinod Anupam, Chandrajit L. Bajaj
Collaborative Multimedia Scientific Design In Shastra, Vinod Anupam, Chandrajit L. Bajaj
Department of Computer Science Technical Reports
No abstract provided.
On The Semantics Of Generative Geometry Representations, Christoph M. Hoffmann
On The Semantics Of Generative Geometry Representations, Christoph M. Hoffmann
Department of Computer Science Technical Reports
No abstract provided.