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Articles 23461 - 23490 of 302505
Full-Text Articles in Physical Sciences and Mathematics
A Mathematical Model For Understanding And Predicting Dynamics Of Depression As An Epidemic, Bianca Linares
A Mathematical Model For Understanding And Predicting Dynamics Of Depression As An Epidemic, Bianca Linares
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Modeling Our World With Mathematics: Incorporating Math Modeling Into A General Education Curriculum, Brittany Stephenson
Modeling Our World With Mathematics: Incorporating Math Modeling Into A General Education Curriculum, Brittany Stephenson
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
The Effect Of Vaccine Misinformation On Disease Spread, Anthony Delegge, Yina Wang
The Effect Of Vaccine Misinformation On Disease Spread, Anthony Delegge, Yina Wang
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Seismic Activity And Flooding Of Hard Coal Mines In The Ostrava-Karvina Coalfield, Petr Konicek, Eva Jirankova, Vlastimil Kajzar, Jan Schreiber, Pavel Malucha, Kristyna Schuchova
Seismic Activity And Flooding Of Hard Coal Mines In The Ostrava-Karvina Coalfield, Petr Konicek, Eva Jirankova, Vlastimil Kajzar, Jan Schreiber, Pavel Malucha, Kristyna Schuchova
Journal of Sustainable Mining
The termination of mining activities often results in post-mining problems and risks. One of these issues is the flooding of mines. Long-term mining in the Ostrava and Petrvald sub-basins in the Upper Silesian Coal Basin finished in 1994. Tens of coal seams were mined here, and the depth of mining reached more than 1000 m below the surface. Flooding of the Ostrava sub-basin started in 1994. The Ostrava and Petrvald sub-basins were flooded from one half only to prevent water from flooding into the Karvina sub-basin, where mining continued. The continual pumping of water has been carried out ever since. …
Numerical Modelling Of Destress Blasting – A State-Of-The-Art Review, Shuting Miao, Petr Konicek, Peng-Zhi Pan, Hani Mitri
Numerical Modelling Of Destress Blasting – A State-Of-The-Art Review, Shuting Miao, Petr Konicek, Peng-Zhi Pan, Hani Mitri
Journal of Sustainable Mining
As a proactive mine safety measure against the occurrence of rockburst, destress blasting has been applied to numerous mining conditions to precondition highly stressed rock mass to mitigate the risk of rockburst occurrence in deep mines as well as in deep underground constructions. However, the application of destress blasting mostly depends on engineering experience, while its mechanism and efficiency have not been well understood. Rapid advances in computer technology have made numerical simulation an economical and effective method to study the rock blasting effect. Enormous research efforts have been made to numerically investigate the blasting fracture mechanism, optimize blasting design, …
Analysis Of The Application Of Methane-Bearing Capacity Test Methods In The Conditions Of Polish Mining, Marcin Karbownik
Analysis Of The Application Of Methane-Bearing Capacity Test Methods In The Conditions Of Polish Mining, Marcin Karbownik
Journal of Sustainable Mining
The methane hazard is one of the natural hazards occurring in hard coal mining. The content of natural methane in hard coal seams, the so-called methane-bearing capacity, is one of the key parameters that allow for proper assessment of the methane hazard and the state of the threat of gas and rock outbursts. For safety purposes, there is a constant need to improve the methods for the determination of this parameter. In the conditions of Polish mining, the method used for methane-bearing capacity determination is the direct drill cuttings method. This paper contains a comparative study presenting three different methods …
Proposed Design Fire Scenarios For Underground Hard Rock Mines, Rickard Hansen
Proposed Design Fire Scenarios For Underground Hard Rock Mines, Rickard Hansen
Journal of Sustainable Mining
Given the complexity and uniqueness of underground hard rock mines, the application of the design fire scenario approach is recommended when evaluating fire safety in mines. Providing a full set of design fire scenarios – ensuring that several important life safety aspects are covered – for a mine can be challenging. The question is whether a catalogue of potential clusters of design fire scenarios could be developed, covering important aspects found underground? Given the general lack of research into design fires in the mining industry, this paper provides a unique analysis of design fire scenarios in underground hard rock mines. …
One-Point Gleason Parts And Point Derivations In Uniform Algebras, Swarup Ghosh, Alexander J. Izzo
One-Point Gleason Parts And Point Derivations In Uniform Algebras, Swarup Ghosh, Alexander J. Izzo
Faculty Articles & Research
It is shown that a uniform algebra can have a nonzero bounded point derivation while having no nontrivial Gleason parts. Conversely, a uniform algebra can have a nontrivial Gleason part while having no nonzero, even possibly unbounded, point derivations.
Mgrre_Thinsections_05_A_83, Mgrre
A Molecular Chemodosimeter To Probe “Closed Shell” Ions In Kidney Cells, Rashid Mia
A Molecular Chemodosimeter To Probe “Closed Shell” Ions In Kidney Cells, Rashid Mia
Faculty Publications
Two quinidine-functionalized coumarin molecular probes have been synthesized and have been found to bind metal cations (Cd2+, Co2+, Cu2+, Fe2+, Hg2+, Ni2+, and Zn2+) with high affinity in organic–aqueous media (DMSO–HEPES). The chemodosimeters coordinate with the Zn2+ ions in a two-to-one ratio (molecular probe : Zn2+) with a log β of 10.0 M−2. Upon the addition of the closed-shell metal ions studied, a fluorescence turn-on via an excimer formation is seen at 542 nm due to the quinaldine moiety adopting a syn arrangement when coordinated to the metal Zn2+ ions. Confocal microscopy monitored free Zn2+ ions in the Human Embryonic …
The Evolution Of Wildland Fire Risk Management, Matthew Holte
The Evolution Of Wildland Fire Risk Management, Matthew Holte
Department of Environmental Studies: Undergraduate Student Theses
Wildland Fire risk management has long been a topic of much discussion. In the past we have focused on immediate danger and how to mitigate it, recently we have started to look at risk with a long-term view. Throughout this paper we will discuss the history of wildland fire, wildland fire policy, and how we got to where we are today. We will also look at how the two different styles of risk management and how we need to use them in a complementary fashion to provide safety to our firefighters, public, and the natural resources that we are protecting.
Immuno-Epidemiological Model Of Hiv And Opioid Epidemics, Churni Gupta, Necibe Tuncer, Maia Martcheva
Immuno-Epidemiological Model Of Hiv And Opioid Epidemics, Churni Gupta, Necibe Tuncer, Maia Martcheva
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Modularity And Boolean Network Decomposition, Matthew Wheeler
Modularity And Boolean Network Decomposition, Matthew Wheeler
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Canalization And Other Design Principles Of Gene Regulatory Networks, Claus Kadelka
Canalization And Other Design Principles Of Gene Regulatory Networks, Claus Kadelka
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Stochastic Models Of Zoonotic Avian Influenza With Multiple Hosts, Environmental Transmission, And Migration In The Natural Reservoir, Kaia Smith
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Sentiment Analysis In Application To Behavior Prediction, Anna Singley
Sentiment Analysis In Application To Behavior Prediction, Anna Singley
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
On Analysis Of Effectiveness Controlling Covid-19 With Quarantine And Vaccination Compartments In Indonesia, Prihantini Prihantini
On Analysis Of Effectiveness Controlling Covid-19 With Quarantine And Vaccination Compartments In Indonesia, Prihantini Prihantini
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Model-Free Identification Of Relevant Variables From Response Data, Alan Veliz-Cuba, David Murrugarra
Model-Free Identification Of Relevant Variables From Response Data, Alan Veliz-Cuba, David Murrugarra
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Modeling The Effects Of Media Awareness On Sars-Cov-2 Transmission In Georgia, Eric Numfor
Modeling The Effects Of Media Awareness On Sars-Cov-2 Transmission In Georgia, Eric Numfor
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
The Nonlinearity Of Regulation In Biological Networks, Santosh Manicka, Kathleen Johnson, Michael Levin, David Murrugarra
The Nonlinearity Of Regulation In Biological Networks, Santosh Manicka, Kathleen Johnson, Michael Levin, David Murrugarra
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
A Discrete Introduction To Mathematical Modeling: Lessons Learned From Introducing (Bio)Mathematical Modeling Through Difference Equations, Erin N. Bodine
A Discrete Introduction To Mathematical Modeling: Lessons Learned From Introducing (Bio)Mathematical Modeling Through Difference Equations, Erin N. Bodine
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Mgrre_Thinsections_05_A_82, Mgrre
The Impact Of Contact Geometry On Sea Ice Stress And Fracture At The Scale Of Ice Floes, Michael J. May
The Impact Of Contact Geometry On Sea Ice Stress And Fracture At The Scale Of Ice Floes, Michael J. May
Dartmouth College Master’s Theses
Observations of stress and strain at the scale of ice floes are necessary to fill a gap in our understanding of sea ice mechanical behavior. Current climate and ice dynamics models represent ice mechanical properties using stress-strain relationships largely determined at laboratory-scale (<1m) or from regional-scale (10+km) deformation observations. The former scale does not include all mechanisms of deformation operating in the ice pack; the latter aggregates multiple modes of deformation into non-physical fluid analogies. The Sea Ice Dynamics Experiment (SIDEx) was run in Feb-Mar 2021 to fill this gap, observing stress and strain at the scale of sea ice failure processes. Here we present stress sensor observations. Stress gages (N=31) were deployed over a 4.5km2 area in the southern Beaufort Sea to observe in-situ stress. These data were analyzed in the context of deformation observations from satellite imagery and local laser and radar interferometers to explain the drivers of sea ice stress variations before and after fracture. Three case studies between 14 March and 24 March, during which fractures propagated through …
Rural America Is Still Technologically Behind: Why It Matters Now More Than Ever, Paul Force-Emery Mackie
Rural America Is Still Technologically Behind: Why It Matters Now More Than Ever, Paul Force-Emery Mackie
Social Work Department Publications
No abstract provided.
Modularity In Gene Regulatory Networks, Mehak Kapoor, Claus Kadelka
Modularity In Gene Regulatory Networks, Mehak Kapoor, Claus Kadelka
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Biomimetic Modifications Of A Feni Hydrogenase Bridging Cys Residue Ligand, Madeline Kesner, Meghan Mcgreal
Biomimetic Modifications Of A Feni Hydrogenase Bridging Cys Residue Ligand, Madeline Kesner, Meghan Mcgreal
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
An Agent-Based Model Of Covid-19 Transmission At Lewis University, Austin Kind, Brittany Stephenson Phd
An Agent-Based Model Of Covid-19 Transmission At Lewis University, Austin Kind, Brittany Stephenson Phd
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Modeling The Impact Of Hospitalization On The Death Rate Of An Ebola Outbreak, Erin N. Bodine, Jana V. Turner
Modeling The Impact Of Hospitalization On The Death Rate Of An Ebola Outbreak, Erin N. Bodine, Jana V. Turner
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Incorporating Interventions To An Extended Seird Model With Vaccination: Application To Covid-19 In Qatar, Elizabeth Amona
Incorporating Interventions To An Extended Seird Model With Vaccination: Application To Covid-19 In Qatar, Elizabeth Amona
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Modeling The Population Dynamics Of Imperiled Guzmania Monostachia Populations, Erin N. Bodine, Helen E. Pennington, Pranay Lingareddy
Modeling The Population Dynamics Of Imperiled Guzmania Monostachia Populations, Erin N. Bodine, Helen E. Pennington, Pranay Lingareddy
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.