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Articles 15541 - 15570 of 16838
Full-Text Articles in Physical Sciences and Mathematics
Waiting To Inhale: The Demographics Of Toxic Air Release Facilities In 21st-Century California, Manuel Pastor, James Sadd, Rachel Morello-Frosch
Waiting To Inhale: The Demographics Of Toxic Air Release Facilities In 21st-Century California, Manuel Pastor, James Sadd, Rachel Morello-Frosch
James Sadd
We examine the spatial distribution of toxic air releases and residential demographics in California using 2000 Census data and coeval information from the Federal Toxic Release Inventory for evidence of disproportionate exposure. Methods. We use spatial analysis using GIS, and multivariate regression analysis, including ordered and multinomial logit regressions, in our study. Results. Analytical results suggest a pattern of disproportionate exposure based on race, with the disparity most severe for Latinos, which holds in a series of multivariate regressions, including attempts to test for varying levels of pollution risk and to control for spatial dependence. Conclusions. The study corroborates earlier …
Application Of Fuzzy Logic To System Reliability, Invited Paper, Caroline Lubert
Application Of Fuzzy Logic To System Reliability, Invited Paper, Caroline Lubert
Caroline P Lubert
No abstract provided.
Relationships Between Computer Skills And Technostress Levels: How Does This Affect Me?, Sonya Shepherd
Relationships Between Computer Skills And Technostress Levels: How Does This Affect Me?, Sonya Shepherd
Sonya S. Gaither
No abstract provided.
A Dunking Bird Of The Second Kind, Nadine Abraham, Peter Palffy-Muhoray
A Dunking Bird Of The Second Kind, Nadine Abraham, Peter Palffy-Muhoray
Peter Palffy-Muhoray
The conventional dunking bird is a heat engine that relies on the temperature difference between the head and the tail of the bird for its operation. We describe a new type of dunking bird that is not a heat engine, but one that directly uses the chemical potential difference between liquid water and its vapor.
Drafting A Career In Sports: Determining Underclassmen College Players’ Stock In The Nba Draft, Byron J. Gajewski, Todd Bishop
Drafting A Career In Sports: Determining Underclassmen College Players’ Stock In The Nba Draft, Byron J. Gajewski, Todd Bishop
Byron J Gajewski
No abstract provided.
Rotational Analysis Of Ftir Spectra From Cigarette Smoke.Pdf, Alan Ford, William A. Burns, Scott Reeve
Rotational Analysis Of Ftir Spectra From Cigarette Smoke.Pdf, Alan Ford, William A. Burns, Scott Reeve
Scott Reeve
No abstract provided.
Food Based Approaches For A Healthy Nutrition In Africa, Mamoudou Hama Dicko
Food Based Approaches For A Healthy Nutrition In Africa, Mamoudou Hama Dicko
Pr. Mamoudou H. DICKO, PhD
The latest estimates of the FAO demonstrate the problems of the fight against hunger. These problems are manifested by the ever-increasing number of chronically undernourished people worldwide. Their numbers during the 1999-2001 period were estimated at about 840 million of which 798 million live in developing countries. Sub-Saharan Africa alone represented 198 million of those. In this part of Africa the prevalence of undernourishment ranges from 5-34%, causing growth retardation and insufficient weight gain among one third of the children under five years of age and resulting in a mortality of 5-15% among these children. Malnutrition resulting from undernourishment is …
Studies Toward Understanding The Relationship Between Molecular Structure And Macroscopic Properties Of Interfaces, Mark Anderson
Studies Toward Understanding The Relationship Between Molecular Structure And Macroscopic Properties Of Interfaces, Mark Anderson
Mark R. Anderson
No abstract is currently available.
Optimization Of Protocrystalline Silicon P-Type Layers For Amorphous Silicon N-I-P Solar Cells, G. M. Ferreira, Chi Chen, R. J. Koval, Joshua M. Pearce, C. R. Wronski, R. W. Collins
Optimization Of Protocrystalline Silicon P-Type Layers For Amorphous Silicon N-I-P Solar Cells, G. M. Ferreira, Chi Chen, R. J. Koval, Joshua M. Pearce, C. R. Wronski, R. W. Collins
Joshua M. Pearce
Application Of A Mickens Finite-Difference Scheme To The Cylindrical Bratu-Gelfand Problem, Ron Buckmire
Application Of A Mickens Finite-Difference Scheme To The Cylindrical Bratu-Gelfand Problem, Ron Buckmire
Ron Buckmire
No abstract provided.
Prediction Of Radiation Pneumonitis By Dose-Volume Histogram Parameters In Lung Cancer--A Systematic Review, George Rodrigues, Michael Lock, David D'Souza, Edward Yu, Jake Van Dyk
Prediction Of Radiation Pneumonitis By Dose-Volume Histogram Parameters In Lung Cancer--A Systematic Review, George Rodrigues, Michael Lock, David D'Souza, Edward Yu, Jake Van Dyk
Edward Yu
BACKGROUND AND PURPOSE: To perform a systematic review of the predictive ability of various dose-volume histogram (DVH) parameters (V(dose), mean lung dose (MLD), and normal tissue complication probability (NTCP)) in the incidence of radiation pneumonitis (RP) caused by external-beam radiation therapy. METHODS AND MATERIALS: Studies assessing the relationship between CT-based DVH reduction parameters and RP rate in radically treated lung cancer were eligible for the review. Synonyms for RP, lung cancer, DVH and its associated parameters (NTCP, V(20), V(30), MLD) were combined in a search strategy involving electronic databases, secondary reference searching, and consultation with experts. Individual or group data …
What Makes The Trades?, Christopher Roman
What Makes The Trades?, Christopher Roman
Christopher N. Roman
Article that appeared in Sail magazine (ISSN: 0036-2700).
Lattice Thermal Conductivity Of K2(Bi1_Zsbz)8se13 Solid Solutions, Jeffrey S. Dyck, Theodora Kyratsi, Evripides Hatzikraniotis, M Paraskevopoulous, H. K. Shin, Ctirad Uher, Mercouri Kanatzidis
Lattice Thermal Conductivity Of K2(Bi1_Zsbz)8se13 Solid Solutions, Jeffrey S. Dyck, Theodora Kyratsi, Evripides Hatzikraniotis, M Paraskevopoulous, H. K. Shin, Ctirad Uher, Mercouri Kanatzidis
Jeffrey Dyck
The family of solid solutions of the type B -K2(Bi1_zSbz)8Se13 (0
Liquid Crystal Blazed Gratings Formed In A Single-Step Through Photo-Induced Localization Of Polymer Into A Prismatic Structure, Sang Hwa Kim, Liang-Chy Chien
Liquid Crystal Blazed Gratings Formed In A Single-Step Through Photo-Induced Localization Of Polymer Into A Prismatic Structure, Sang Hwa Kim, Liang-Chy Chien
Sang Kim
A liquid crystal blazed grating having a prismatic polymer microstructure has been developed. The polymer structure is fabricated by photo-induced localization and polymerization of a small concentration of monomer onto one substrate of an electro-optical cell by using ultraviolet light irradiation at 45degrees direction from normal incident. Using this method a periodical one-dimensional pattern with a prismatic shape of polymer can be formed on a one-dimensional pattern-forming state of a cholesteric host. The optical diffraction properties of the grating are evaluated by the application of electric field and light incident angles.
Liquid Crystal Blazed Gratings Formed In A Single-Step Through Photo-Induced Localization Of Polymer Into A Prismatic Structure, Sang Hwa Kim, Liang-Chy Chien
Liquid Crystal Blazed Gratings Formed In A Single-Step Through Photo-Induced Localization Of Polymer Into A Prismatic Structure, Sang Hwa Kim, Liang-Chy Chien
Liang-Chy Chien
A liquid crystal blazed grating having a prismatic polymer microstructure has been developed. The polymer structure is fabricated by photo-induced localization and polymerization of a small concentration of monomer onto one substrate of an electro-optical cell by using ultraviolet light irradiation at 45degrees direction from normal incident. Using this method a periodical one-dimensional pattern with a prismatic shape of polymer can be formed on a one-dimensional pattern-forming state of a cholesteric host. The optical diffraction properties of the grating are evaluated by the application of electric field and light incident angles.
Conduction Band Splitting And Transport Properties Of Bi2se3., J. Navrátil, J. Horák, T. Plecháček, S. Kamba, P. LošŤÁK, Jeffrey Dyck, W. Chen, C. Uher
Conduction Band Splitting And Transport Properties Of Bi2se3., J. Navrátil, J. Horák, T. Plecháček, S. Kamba, P. LošŤÁK, Jeffrey Dyck, W. Chen, C. Uher
Jeffrey Dyck
Detailed transport studies of single crystals of Bi2Se3 were made in the temperature range of 2–300K, and the data were analyzed in terms of a model consisting of two groups of electrons—a centrosymmetrical lower conduction band and an upper conduction band located away from the Γ-point. Very good agreement with the experimental data is obtained assuming the electrons are scattered on acoustic phonons and ionized impurities. A rather strong influence of the latter mechanism is attributed to a large number of charged selenium vacancies in Bi2Se3. The fitted transport parameters were used to calculate the electronic portion of the thermal …
Local Community Participation In Livelihoods Improvement And Sustainability “Anaqeed Al-Khair Project Case Study, Raed Al-Tabini, I.A. Hawamdeh
Local Community Participation In Livelihoods Improvement And Sustainability “Anaqeed Al-Khair Project Case Study, Raed Al-Tabini, I.A. Hawamdeh
Raed Al-Tabini
No abstract provided.
Interacting Near-Solutions To A Hamiltonian System, Gregory S. Spradlin
Interacting Near-Solutions To A Hamiltonian System, Gregory S. Spradlin
Gregory S. Spradlin
Towards Increasing Web Application Productivity, Jia Zhang, Jen-Yao Chung, Carl Chang
Towards Increasing Web Application Productivity, Jia Zhang, Jen-Yao Chung, Carl Chang
Jia Zhang
No abstract provided.
Migration To Web Services Oriented Architecture – A Case Study, Jia Zhang, Jen-Yao Chung, Carl Chang
Migration To Web Services Oriented Architecture – A Case Study, Jia Zhang, Jen-Yao Chung, Carl Chang
Jia Zhang
No abstract provided.
Using Math In Cell Biology How Do Calcium Channels Work?, Borbala Mazzag
Using Math In Cell Biology How Do Calcium Channels Work?, Borbala Mazzag
Borbala Mazzag
No abstract provided.
Stacking Velocities As Geopressure Indicators In Ghawar And Red Sea Areas, Saudi Arabia., Thomas M. Loretto
Stacking Velocities As Geopressure Indicators In Ghawar And Red Sea Areas, Saudi Arabia., Thomas M. Loretto
Thomas M Loretto
No abstract provided.
Triethylammonium Tetraphenylborate Dichloromethane Solvate, Daron E. Janzen, Kent R. Mann
Triethylammonium Tetraphenylborate Dichloromethane Solvate, Daron E. Janzen, Kent R. Mann
Daron E Janzen, Ph.D.
No abstract provided.
Infrared Laser Spectroscopy Of Jet Cooled Cobalt Tricarbonyl, Kyle Trauth, William A. Burns, Ginger Berry, Scott Reeve
Infrared Laser Spectroscopy Of Jet Cooled Cobalt Tricarbonyl, Kyle Trauth, William A. Burns, Ginger Berry, Scott Reeve
Scott Reeve
No abstract provided.
Computation In Gene Networks, Hava Siegelmann, Asa Ben-Hur
Computation In Gene Networks, Hava Siegelmann, Asa Ben-Hur
Hava Siegelmann
Genetic regulatory networks have the complex task of controlling all aspects of life. Using a model of gene expression by piecewise linear differential equations we show that this process can be considered as a process of computation. This is demonstrated by showing that this model can simulate memory bounded Turing machines. The simulation is robust with respect to perturbations of the system, an important property for both analog computers and biological systems. Robustness is achieved using a condition that ensures that the model equations, that are generally chaotic, follow a predictable dynamics.
Infrared Depletion Spectroscopy Of Aniline–Toluene Cluster: The Investigation Of The Red Shifts Of The Nh2 Stretching Vibrations Of Aniline–Aromatic Clusters, Naveed Piracha, F. Ito, T. Nakanaga
Infrared Depletion Spectroscopy Of Aniline–Toluene Cluster: The Investigation Of The Red Shifts Of The Nh2 Stretching Vibrations Of Aniline–Aromatic Clusters, Naveed Piracha, F. Ito, T. Nakanaga
Naveed K. Piracha
The infrared spectra of the NH2 stretching vibrations of aniline–toluene cluster and corresponding cluster cation have been measured by the infrared depletion method. The NH2 stretching vibrations of aniline–toluene cluster were observed at 3393 and 3468 cm−1. The red shifts from the corresponding bands of aniline monomer are 29 and 40 cm−1, respectively, for the NH2 symmetric and anti-symmetric stretching vibrations. The magnitudes of the red shifts are similar to those of other aniline–aromatic clusters. The structure of this cluster has been found to be a sandwich type, that is, the two aromatic rings are parallel in the cluster and …
Cubic : Bulk Thermoelectric Materials With High Figure Of Merit, Kuei Hsu, Sim Loo, Fu Guo, Wei Chen, Jeffrey Dyck, Cterid Uher, Tim Hogan, E. Polychroniadis, Mercouri Kanatzidis
Cubic : Bulk Thermoelectric Materials With High Figure Of Merit, Kuei Hsu, Sim Loo, Fu Guo, Wei Chen, Jeffrey Dyck, Cterid Uher, Tim Hogan, E. Polychroniadis, Mercouri Kanatzidis
Jeffrey Dyck
The conversion of heat to electricity by thermoelectric devices may play a key role in the future for energy production and utilization. However, in order to meet that role, more efficient thermoelectric materials are needed that are suitable for high-temperature applications. We show that the material system may be suitable for this purpose. With m = 10 and 18 and doped appropriately, n-type semiconductors can be produced that exhibit a high thermoelectric figure of merit of ~2.2 at 800 kelvin. In the temperature range 600 to 900 kelvin, the material is expected to outperform all reported bulk thermoelectrics, thereby earmarking …
Hypothetical Thermodynamic Properties: The Boiling And Critical Temperatures Of Polyethylene And Polytetrafluoroethylene, James S. Chickos
Hypothetical Thermodynamic Properties: The Boiling And Critical Temperatures Of Polyethylene And Polytetrafluoroethylene, James S. Chickos
James Chickos
No abstract provided.
Diethylaluminum Chloride Mediated Vinylsilane Synthesis: Comparison Of Different Solvent Systems., Man Lung Kwan, Merle Battiste, Megan Macala, Sylvia Aybar, Nicholas James, Joseph Haoui
Diethylaluminum Chloride Mediated Vinylsilane Synthesis: Comparison Of Different Solvent Systems., Man Lung Kwan, Merle Battiste, Megan Macala, Sylvia Aybar, Nicholas James, Joseph Haoui
Man Lung Desmond Kwan
Aromatic ketones were converted to one-carbon elongated-vinylsilanes in a convenient one-pot operation via the Peterson protocol. Reactions were conducted in two different solvents for comparison: pentane and triethylamine. Results indicate that triethylamine appeared to be a more suitable solvent for such a transformation producing vinylsilanes with great chemo- and stereo-selectivity than pentane.
Committee On Climate Change And Sustainable Development: 2003 Annual Report, John Dernbach
Committee On Climate Change And Sustainable Development: 2003 Annual Report, John Dernbach
John C. Dernbach
No abstract provided.