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Articles 1 - 30 of 35
Full-Text Articles in Physical Sciences and Mathematics
Влияние На Окружающую Среду Технологии Непрерывного Литья, Marian Mazur, Marek Bogacki, Robert Oleniacz, Agnieszka Łopata
Влияние На Окружающую Среду Технологии Непрерывного Литья, Marian Mazur, Marek Bogacki, Robert Oleniacz, Agnieszka Łopata
Robert Oleniacz
This article presents a complex analysis of the impact of the technology of continuous casting of steel (CCS) on the rate of the air pollutant emissions from one of the Polish steel and iron plants. The emission sources occurring in the production process have been identified and their rate has been determined. The implementation of CCS has brought about significant changes in the production cycle of the steel plant and it also has caused an increase of the production effectiveness of steel products. The calculated environment effects have shown a considerable emission decrease of all pollutants in the scale of …
The Relation Of Dietary Patterns To Future Survival, Health, And Cardiovascular Events In Older Adults, Paula Diehr
The Relation Of Dietary Patterns To Future Survival, Health, And Cardiovascular Events In Older Adults, Paula Diehr
Paula Diehr
BACKGROUND: There have been few long-term follow-up studies of older adults who follow different dietary patterns. METHODS: We cluster-analyzed data on dietary fat, fiber, protein, carbohydrate, and calorie consumption from the U.S. Cardiovascular Health Study (mean age=73), and examined the relationship of the dietary clusters to outcomes 10 years later. RESULTS: The five clusters were named "Healthy diet" (relatively high in fiber and carbohydrate and low in fat), "Unhealthy diet" (relatively high in protein and fat, relatively low in carbohydrates and fiber); "High Calorie," "Low Calorie," and "Low 4," which was distinguished by higher alcohol consumption. The clusters were strongly …
The Recent Evolution Of The Dwarf Starburst Galaxy Ngc 625 From Hubble Space Telescope Imaging, John M. Cannon, R C. Dohm-Palmer, E D. Skillman, D J. Bomans, S Cote, B W. Miller
The Recent Evolution Of The Dwarf Starburst Galaxy Ngc 625 From Hubble Space Telescope Imaging, John M. Cannon, R C. Dohm-Palmer, E D. Skillman, D J. Bomans, S Cote, B W. Miller
John Cannon
No abstract provided.
Acid-Base Properties Of Aluminum In A Hardwood Forest Soil (Or: Acid Rain Is Dead…), Chris E. Johnson
Acid-Base Properties Of Aluminum In A Hardwood Forest Soil (Or: Acid Rain Is Dead…), Chris E. Johnson
Chris E Johnson
No abstract provided.
Zmiany W Metodyce Modelowania Rozprzestrzeniania Się Zanieczyszczeń W Powietrzu Opartej Na Modelu Gaussa, Robert Oleniacz, Marek Bogacki
Zmiany W Metodyce Modelowania Rozprzestrzeniania Się Zanieczyszczeń W Powietrzu Opartej Na Modelu Gaussa, Robert Oleniacz, Marek Bogacki
Robert Oleniacz
The paper presents the changes that have occurred in December 2002 in the Polish reference modeling methodology (based on the stationary Gaussian atmospheric dispersion model) used for the air quality impact assessment in Poland since the 60s of the 20th century. Discusses the changes that have occurred in the preparation of data for the simulation, the procedure used in shortened and full range of calculation, the algorithms of initial computations and the results of calculations.
English Title: Changes in the methodology of modeling the pollutant dispersion in the air based on the Gaussian model.
Rejoinder To "“Wavelet-Based Nonparametric Modeling Of Hierarchical Functions In Colon Carcinogenesis.”, Jeffrey S. Morris, Marina Vannucci, Philip J. Brown, Raymond J. Carroll
Rejoinder To "“Wavelet-Based Nonparametric Modeling Of Hierarchical Functions In Colon Carcinogenesis.”, Jeffrey S. Morris, Marina Vannucci, Philip J. Brown, Raymond J. Carroll
Jeffrey S. Morris
No abstract provided.
Quality Control And Peak Finding For Proteomics Data Collected From Nipple Aspirate Fluid Using Surface Enhanced Laser Desorption And Ionization., Jeffrey S. Morris, Kevin R. Coombes, Herbert A. Fritsche, Charlotte Clarke, Jeng-Neng Chen, Keith A. Baggerly, Lian-Chun Xiao, Mien-Chie Hung, Henry M. Kuerer
Quality Control And Peak Finding For Proteomics Data Collected From Nipple Aspirate Fluid Using Surface Enhanced Laser Desorption And Ionization., Jeffrey S. Morris, Kevin R. Coombes, Herbert A. Fritsche, Charlotte Clarke, Jeng-Neng Chen, Keith A. Baggerly, Lian-Chun Xiao, Mien-Chie Hung, Henry M. Kuerer
Jeffrey S. Morris
Background: Recently, researchers have been using mass spectroscopy to study cancer. For use of proteomics spectra in a clinical setting, stringent quality-control procedures will be needed.
Methods: We pooled samples of nipple aspirate fluid from healthy breasts and breasts with cancer to prepare a control sample. Aliquots of the control sample were used on two spots on each of three IMAC ProteinChip® arrays (Ciphergen Biosystems, Inc.) on 4 successive days to generate 24 SELDI spectra. In 36 subsequent experiments, the control sample was applied to two spots of each ProteinChip array, and the resulting spectra were analyzed to determine how …
Imputation Of Missing Longitudinal Data: A Comparison Of Methods, Paula Diehr, Jean Mundahl Engels
Imputation Of Missing Longitudinal Data: A Comparison Of Methods, Paula Diehr, Jean Mundahl Engels
Paula Diehr
BACKGROUND AND OBJECTIVES: Missing information is inevitable in longitudinal studies, and can result in biased estimates and a loss of power. One approach to this problem is to impute the missing data to yield a more complete data set. Our goal was to compare the performance of 14 methods of imputing missing data on depression, weight, cognitive functioning, and self-rated health in a longitudinal cohort of older adults. METHODS: We identified situations where a person had a known value following one or more missing values, and treated the known value as a "missing value." This "missing value" was imputed using …
Nullificatory Juries, David A. Hoffman, Kaimipono D. Wenger
Nullificatory Juries, David A. Hoffman, Kaimipono D. Wenger
David A Hoffman
In this Article, we argue that current debates on the legitimacy of punitive damages would benefit from a comparison with jury nullification in criminal trials. We discuss critiques of punitive damages and of jury nullification, noting the surprising similarities in the arguments scholars use to attack these (superficially) distinct outcomes of the jury guarantee. Not only are the criticisms alike, the institutions of punitive damages and jury nullification also turn out to have many similarities: both are, we suggest, examples of what we call "nullificatory juries." We discuss the features of such juries, and consider recent behavioral data relating to …
Wavelet-Based Nonparametric Modeling Of Hierarchical Functions In Colon Carcinogenesis., Jeffrey S. Morris, Marina Vannucci, Philip J. Brown, Raymond J. Carroll
Wavelet-Based Nonparametric Modeling Of Hierarchical Functions In Colon Carcinogenesis., Jeffrey S. Morris, Marina Vannucci, Philip J. Brown, Raymond J. Carroll
Jeffrey S. Morris
In this article we develop new methods for analyzing the data from an experiment using rodent models to investigate the effect of type of dietary fat on O6-methylguanine-DNA-methyltransferase (MGMT), an important biomarker in early colon carcinogenesis. The data consist of observed profiles over a spatial variable contained within a two-stage hierarchy, a structure that we dub hierarchical functional data. We present a new method providing a unified framework for modeling these data, simultaneously yielding estimates and posterior samples for mean, individual, and subsample-level profiles, as well as covariance parameters at the various hierarchical levels. Our method is nonparametric in that …
Trajectories Of Health For Older Adults Over Time: Accounting Fully For Death, Paula Diehr
Trajectories Of Health For Older Adults Over Time: Accounting Fully For Death, Paula Diehr
Paula Diehr
The process of healthy aging can best be described by plotting the trajectory of health-related variables over time. Unfortunately, graphs including data only from survivors may be misleading because they may confuse patterns of mortality with patterns of change in health. Two approaches for creating graphs that account for death in such situations are 1) to incorporate a category or value for death into the longitudinal health variable and 2) to measure time in years before death or some other event. The first approach has been applied to self-rated health (excellent to poor) and the 36-Item Short-Form Health Survey (SF-36). …
The Inelastic Maxwell Model, E. Ben-Naim, P.L. Krapivsky
The Inelastic Maxwell Model, E. Ben-Naim, P.L. Krapivsky
Eli Ben-Naim
Dynamics of inelastic gases are studied within the framework of random collision processes. The corresponding Boltzmann equation with uniform collision rates is solved analytically for gases, impurities, and mixtures. Generally, the energy dissipation leads to a significant departure from the elastic case. Specifically, the velocity distributions have overpopulated high energy tails and different velocity components are correlated. In the freely cooling case, the velocity distribution develops an algebraic high-energy tail, with an exponent that depends sensitively on the dimension and the degree of dissipation. Moments of the velocity distribution exhibit multiscaling asymptotic behavior, and the autocorrelation function decays algebraically with …
Assessment Of Ecological Effects Of The Implementation Of Continuous Casting Of Steel, Marian Mazur, Marek Bogacki, Robert Oleniacz, Agnieszka Łopata
Assessment Of Ecological Effects Of The Implementation Of Continuous Casting Of Steel, Marian Mazur, Marek Bogacki, Robert Oleniacz, Agnieszka Łopata
Robert Oleniacz
The article presents a complex analysis of the impact of the technology of continuous casting of steel (CCS) on the rate of the air pollutant emissions from one of the Polish steel and iron plants. The emission sources occurring in the production process have been identified and their rate has been determined. The implementation of CCS has brought about significant changes in the production cycle of the steel plant and it also has caused an increase of the production effectiveness of steel products. The calculated environment effects have shown a considerable emission decrease of all pollutants in the scale of …
Likwidacja Strefy Ochronnej Wokół Huty Katowice W Dąbrowie Górniczej, Marian Mazur, Robert Oleniacz, Marek Bogacki
Likwidacja Strefy Ochronnej Wokół Huty Katowice W Dąbrowie Górniczej, Marian Mazur, Robert Oleniacz, Marek Bogacki
Robert Oleniacz
The paper presents the history of the creation, management and liquidation of the protective zone around the Katowice Steelworks and Coke "Przyjaźń" (originally belonging to the "Katowice Steelworks") in Dąbrowa Górnicza (Poland). This zone was created in 1978 on the basis of the air quality impact assessment performed for the steelworks on the assumption steel production capacity of 9 million tons/year and planned production of coke at 3.3 million tons/year. These production volumes have never been achieved. In the 80's and 90's of the 20th century were conducted studies and calculations aimed to verify the nuisance of these plants on …
A Comprehensive Approach To The Analysis Of Maldi-Tof Proteomics Spectra From Serum Samples., Keith A. Baggerly, Jeffrey S. Morris, Jing Wang, David Gold, Lian-Chun Xiao, Kevin R. Coombes
A Comprehensive Approach To The Analysis Of Maldi-Tof Proteomics Spectra From Serum Samples., Keith A. Baggerly, Jeffrey S. Morris, Jing Wang, David Gold, Lian-Chun Xiao, Kevin R. Coombes
Jeffrey S. Morris
For our analysis of the data from the First Annual Proteomics Data Mining Conference, we attempted to discriminate between 24 disease spectra (group A) and 17 normal spectra (group B). First, we processed the raw spectra by (i) correcting for additive sinusoidal noise (periodic on the time scale) affecting most spectra, (ii) correcting for the overall baseline level, (iii) normalizing, (iv) recombining fractions, and (v) using variable- width windows for data reduction. Also, we identified a set of polymeric peaks (at multiples of 180.6 Da) that is present in several normal spectra (B1–B8). After data processing, we found the intensities …
Quelques Conseils À Nos Nouveau Diplomés, Fathi Habashi
Quelques Conseils À Nos Nouveau Diplomés, Fathi Habashi
Fathi Habashi
An advice, the old wise man Polonius offered to the young Hamlet was “Neither a borrower, nor a lender be”, may be no longer pertinent. Some more relevant advices are offered to new graduates of the twentieth century. Available in English, French, and Spanish
Is There A Cost Tipping Point For E-Journals?, Gordon C. Tibbitts
Is There A Cost Tipping Point For E-Journals?, Gordon C. Tibbitts
Gordon C. Tibbitts III
The above-inflation cost increases of scholarly publication and the reduction in library budgets may foster a new era of access. Emerging paradigms including open access, open choice, and "author paid" are only the beginning of the possibilities as the industry approaches what some call a "tipping point."
Bayesian Shrinkage Estimation Of The Relative Abundance Of Mrna Transcripts Using Sage, Jeffrey S. Morris, Keith A. Baggerly, Kevin R. Coombes
Bayesian Shrinkage Estimation Of The Relative Abundance Of Mrna Transcripts Using Sage, Jeffrey S. Morris, Keith A. Baggerly, Kevin R. Coombes
Jeffrey S. Morris
Serial analysis of gene expression (SAGE) is a technology for quantifying gene expression in biological tissue that yields count data that can be modeled by a multinomial distribution with two characteristics: skewness in the relative frequencies and small sample size relative to the dimension. As a result of these characteristics, a given SAGE sample may fail to capture a large number of expressed mRNA species present in the tissue. Empirical estimators of mRNA species’ relative abundance effectively ignore these missing species, and as a result tend to overestimate the abundance of the scarce observed species comprising a vast majority of …
Spalanie Odpadów Chloroorganicznych Z Produkcji Chlorku Winylu Jako Źródło Emisji Zanieczyszczeń Powietrza, Robert Oleniacz
Spalanie Odpadów Chloroorganicznych Z Produkcji Chlorku Winylu Jako Źródło Emisji Zanieczyszczeń Powietrza, Robert Oleniacz
Robert Oleniacz
Production of vinyl chloride is a source of formation of significant gaseous, liquid and solid streams of chlorinated organic wastes containing up to 90 % of chlorine. One of the methods of chlorine recovery from the wastes is incineration. During the waste incineration chlorine released into the flue gases mainly in the form of hydrogen chloride (HCl). The article presents, among others, results of continuous and periodic measurement of concentrations of air pollutants in combustion gases emitted from one of the industrial installations for high-temperature incineration of chlorinated wastes, equipped with effective flue-gas treatment system and recovery of HCl. Data …
Termiczne Przekształcanie Odpadów Medycznych W Instalacji Fluidalnej Firmy Seghers – Emisja Zanieczyszczeń Gazowych I Możliwości Jej Ograniczenia, Robert Oleniacz
Termiczne Przekształcanie Odpadów Medycznych W Instalacji Fluidalnej Firmy Seghers – Emisja Zanieczyszczeń Gazowych I Możliwości Jej Ograniczenia, Robert Oleniacz
Robert Oleniacz
The paper presents the results of measurements of concentrations and mass streams of selected components in the flue gases from the thermal treatment of medical waste in the Seghers incinerator based on fluidized bed reactor.
The tests were carried out at the measuring points located both before and after of the flue-gas cleaning system based on the injection of dry hydrated lime and carbon sorbent and a ceramic filter. In this way it was possible to determine the effectiveness of the removal of selected air pollutants in the dry cleaning system. Analysis of the results of measurements made it possible …
A New Method For Ranking Of Fuzzy Numbers Through Using Distance Method, S. Abbasbandy, C. Lucas, B. Asady
A New Method For Ranking Of Fuzzy Numbers Through Using Distance Method, S. Abbasbandy, C. Lucas, B. Asady
Saeid Abbasbandy
In this paper, by using a new approach on distance between two fuzzy numbers, we construct a new ranking system for fuzzy number which is very realistic and also matching our intuition as the crisp ranking system on R.
Fuzzy Interpolation, S. Abbasbandy
Fuzzy Interpolation, S. Abbasbandy
Saeid Abbasbandy
In this paper, we will consider the interpolation of fuzzy data by a continuous fuzzy-valued function. We will use Lagrange polynomials, natural splines and complete splines.
Relations Between $\Lambda{\Rm Bv}$ And ${\Rm Bv}(P(N)\Uparrow\Infty)$ Classes Of Functions, Ushangi Goginava
Relations Between $\Lambda{\Rm Bv}$ And ${\Rm Bv}(P(N)\Uparrow\Infty)$ Classes Of Functions, Ushangi Goginava
Ushangi Goginava
No abstract provided.
On The Uniform Convergence And $L$-Convergence Of Double Fourier Series With Respect To The Walsh-Kaczmarz System, Ushangi Goginava
On The Uniform Convergence And $L$-Convergence Of Double Fourier Series With Respect To The Walsh-Kaczmarz System, Ushangi Goginava
Ushangi Goginava
No abstract provided.
Dissolution Of Entrapped Dnapls In Variable Aperture Fractures: Experimental Data And Empirical Model, Sarah E. Dickson, Neil R. Thomson
Dissolution Of Entrapped Dnapls In Variable Aperture Fractures: Experimental Data And Empirical Model, Sarah E. Dickson, Neil R. Thomson
Sarah E Dickson
An appreciation of the dissolution from entrapped nonaqueous phase liquids (NAPLs) in fractures is essential as we attempt to understand and predict the fate of NAPLs present in fractured rock systems. Eight long-term dissolution experiments using 1,1,1-trichloroethane and trichloroethylene were conducted in two laboratory-scale dolomitic limestone variable aperture fractures under various conditions. Between 560 and 2600 fracture volumes of water were passed through the fractures resulting in the removal of 10−60% of the initial mass trapped. The effluent concentration profiles revealed three distinct and characteristic stages of dissolution: an initial pseudosteady stage, a transient stage, and a tailing stage. On …
Potential Impact Of Subsonic And Supersonic Aircraft Exhaust On Water Vapor In The Lower Stratosphere Assessed Via A Trajectory Model, Gary A. Morris, Joan A. Rosenfield, Mark R. Schoeberl, Charles A. Jackman
Potential Impact Of Subsonic And Supersonic Aircraft Exhaust On Water Vapor In The Lower Stratosphere Assessed Via A Trajectory Model, Gary A. Morris, Joan A. Rosenfield, Mark R. Schoeberl, Charles A. Jackman
Gary A. Morris
We employ a trajectory model to assess the impact on the stratosphere of water vapor present in the exhaust of subsonic and a proposed fleet of supersonic aircraft. Air parcels into which water vapor from aircraft exhaust has been injected are run through a 6-year simulation in the trajectory model using meteorological data from the UKMO analyses with emissions dictated by the standard 2015 emissions scenario. For the subsonic aircraft, our results suggest maximum enhancements of ~150 ppbv just above the Northern Hemisphere tropopause and of much less than 50 ppbv in most other regions. Inserting the perturbed water vapor …
The Press For Help Project Concept, Program And Working Paper Of Emmanuel Mario B Santos And His Marc Guerrero Communications Inc., Emmanuel Mario B. Santos Aka Marc Guerrero
The Press For Help Project Concept, Program And Working Paper Of Emmanuel Mario B Santos And His Marc Guerrero Communications Inc., Emmanuel Mario B. Santos Aka Marc Guerrero
Emmanuel Mario B Santos aka Marc Guerrero
FORETHOUGHT. DECLARATION OF IDEAOLOGY AND PRINCIPLES. VISION. MISSION. VALUES. GOALS. BASIC HELP project. EDUCATIONAL HELP project. MEDICAL HELP project. LEGAL HELP project. EMERGENCY HELP project. LIVELIHOOD HELP project. SPIRITUAL and CULTURAL HELP project. ENVIRONMENTAL HELP project. REENGINEERING HELP project. INTERNATIONAL HELP project. QUADRO CREDO Matthew 5.1-12, the Jerusalem Bible. The Universal Filipino Beatitudes. SALIN SA FILIPINO. DESIDERATA. AFTERTHOUGHT.
Surface Aided Polarization Reversal In Small Ferroelectric Particles, Chew Khian Hooi, Shin F. G., Chan H. L. W., Osman J., Stamps R. L., Tilley D. R.
Surface Aided Polarization Reversal In Small Ferroelectric Particles, Chew Khian Hooi, Shin F. G., Chan H. L. W., Osman J., Stamps R. L., Tilley D. R.
Chew Khian Hooi
Polarization reversal in ferroelectric particles driven by a pulsed electric field is examined theoretically using Landau-Devonshire-Khalatnikov theory. A significant reduction in reversal times is shown to be possible if certain surface properties and size criteria are met. The surface properties are also shown to control the magnitude of the applied field needed for irreversible switching. An interesting signature of surface effects is found in the switching current. The theory predicts that the switching current for small ferroelectric particles can exhibit double peaks as a function of time. The size and relative times of the peaks provide specific information on the …
From Alchemy To Atomic Bombs. Book Review By George Kauffman, Fathi Habashi
From Alchemy To Atomic Bombs. Book Review By George Kauffman, Fathi Habashi
Fathi Habashi
Review of the book "From Alchemy to Atomic Bombs" by Fathi Habashi published by Métallurgie Extractive Québec. The review is written by Professor George Kauffman at California State University, Fresno.
Oil And Product Price Dynamics In International Petroleum Markets, Alessandro Lanza, Matteo Manera, Massimo Giovannini
Oil And Product Price Dynamics In International Petroleum Markets, Alessandro Lanza, Matteo Manera, Massimo Giovannini
Matteo Manera
In this paper we investigate crude oil and products price dynamics. We present a comparison among ten price series of crude oils and fourteen price series of petroleum products, considering four distinct market areas (Mediterranean, North Western Europe, Latin America and North America) over the period 1994-2002. We provide first a complete analysis of crude oil and product price dynamics using cointegration and error correction models. Subsequently we use the error correction specification to predict crude oil prices over the horizon January 2002-June 2002.The main findings of the paper can be summarized as follows: a) differences in quality are crucial …