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Articles 181 - 201 of 201
Full-Text Articles in Physical Sciences and Mathematics
Uv Disinfection Of Treated Wastewater Effluent: Influence Of Color, Reactivation And Regrowth Of Coliform Bacteria, Somnath Basu, Jack Page, Irvine Wei
Uv Disinfection Of Treated Wastewater Effluent: Influence Of Color, Reactivation And Regrowth Of Coliform Bacteria, Somnath Basu, Jack Page, Irvine Wei
Irvine W. Wei
Disinfection is a very important unit process to deactivate coliform bacteria in treated wastewater. However, regrowth potential of coliform bacteria raises human health and safety concerns associated with reuse of treated wastewater in various applications. Both post chlorination and post UV disinfection regrowth have been reported in the literature. In view of increasing use of recycled wastewater for reuse, it is necessary to address this phenomenon from both technical and regulatory standpoints. A case study of fecal coliform regrowth in a full scale operating plant is reported here. This is expected to aid in further understanding of the phenomenon and …
A Conceptual Continuous Process For The Treatment And Toxicity Reduction Of Wastewater Contaminated With 2,4,6-Trichlorophenol: Extended Abstract, Somnath Basu, Irvine W. Wei
A Conceptual Continuous Process For The Treatment And Toxicity Reduction Of Wastewater Contaminated With 2,4,6-Trichlorophenol: Extended Abstract, Somnath Basu, Irvine W. Wei
Irvine W. Wei
Fenton's Reagent is an aqueous solution of ferrous ions and hydrogen peroxide. Through laboratory experiments Fenton's Reagent has been shown to be an excellent treatment agent for the removal of organic contaminants dissolved in water. It carries out oxidative degradation of various organic substrates using the principle of advanced chemical oxidation. This is an excellent alternate route for the removal of hazardous and toxic chemicals, which are recalcitrant to biological treatment. The authors of this paper conducted an extensive laboratory investigation to study the degradation of 2,4,6- Trichlorophenol (TCP) using Fenton's Reagent, reported elsewhere. The results indicated an optimum H₂O₂:TCP …
Computer Simulation Of Lime-Soda Water Softening Process, J. C. Y. Chen, I. W. Wei
Computer Simulation Of Lime-Soda Water Softening Process, J. C. Y. Chen, I. W. Wei
Irvine W. Wei
No abstract provided.
Upflow Anaerobic Filter With Dual Media: A Novel Concept, K. Jain, I. Wei, A. Panchal, N. Varandani
Upflow Anaerobic Filter With Dual Media: A Novel Concept, K. Jain, I. Wei, A. Panchal, N. Varandani
Irvine W. Wei
To overcome two of the main problems intrinsic to upflow anaerobic filters using single media--clogging and biomass washout--a new strategy consisting of two different media is studied. The study is to evaluate the performance of Dual Media Upflow Anaerobic Filter (DM UAF), a novel wastewater treatment unit using synthetic waste as well as primary treated effluent of Common Effluent Treatment Plant (CETP), Vatva, India, operated by The Green Environment Services Co-Operative Society Ltd. and also to compare the performance of DM UAF with Single media UAF on a laboratory scale. Biokinetics of DM UAF was also determined. A 14.45 L …
Advanced Chemical Oxidation And Toxicity Reduction Of 2,4,6-Trichlorophenol By Using Fenton's Reagent: Part I, Kuang-Wei (Stone) Chen, Somnath Basu, Irvine W. Wei
Advanced Chemical Oxidation And Toxicity Reduction Of 2,4,6-Trichlorophenol By Using Fenton's Reagent: Part I, Kuang-Wei (Stone) Chen, Somnath Basu, Irvine W. Wei
Irvine W. Wei
The objective of this study is to exmnine the removal of a priority chlorinated aromatic pollutant, 2,4,6-Trichlorophenol (TCP), in aqueous solution by using Fenton's Reagent (a mixture of hydrogen peroxide and ferrous iron catalyst). Chlorinated phenols are priority pollutants, regulated by stringent discharge litnits. The presence of chlorine increases the toxicity of these phenolic compounds and decreases their biodegradability. Therefore, the processes of oxidation and dechlorination of chlorinated phenols by using Fenton's Reagent were employed in this study. Experiments were conducted in one-liter stirred batch reactors at 20°C. Three parallel reactors were used for reactions between 0.25 mM 2,4,6-TCP and …
An Assessment Of The Water Distribution System In The City Of Medford, Massachusetts, Yogesh Jitoo, Irvine Wei, Thomas R. Morgan, Donald Ouellette
An Assessment Of The Water Distribution System In The City Of Medford, Massachusetts, Yogesh Jitoo, Irvine Wei, Thomas R. Morgan, Donald Ouellette
Irvine W. Wei
The objective of this paper is to present the analysis of the water distribution system for the City of Medford, Massachusetts to identify areas of pressure deficiency. H₂OMAP Water Suite, modeling software, was used to assess the system, and using the calibrated hydraulic model of the water distribution system, the current available fire flows were compared to the required fire flows as determined by the Insurance Services Office (ISO) in 2002. Further, the influence of improvements made by the City to the distribution system from 2002 through 2004 to meet the required fire flows was evaluated. The model was also …
Water Management In Oil Shale Production, R. Edwin Hicks, Ronald F. Probstein, Irvine Wei
Water Management In Oil Shale Production, R. Edwin Hicks, Ronald F. Probstein, Irvine Wei
Irvine W. Wei
Material balance calculations for several proposed oil shale processes have been made and show that water requirements vary from 2 to 5 times the product oil rate. Wastewater is produced at from one-third to 1.5 times the product oil rate and may be treated and used to offset the source water requirement. Water management schemes are used to show the degree of treatment required for each type of wastewater. Conceptual designs of treatment trains, based on laboratory investigations of reverse osmosis, resin adsorption, biological oxidation and steam stripping processes on actual wastewaters, show that water management costs range from 60¢ …
Using Meta-Ethnography To Synthesize Research: A Worked Example Of The Relations Between Personality On Software Team Processes, Fabio Q. B. Silva Dr., Shirley S. J. O. Cruz, Tatiana B. Gouveia, Luiz Fernando Capretz
Using Meta-Ethnography To Synthesize Research: A Worked Example Of The Relations Between Personality On Software Team Processes, Fabio Q. B. Silva Dr., Shirley S. J. O. Cruz, Tatiana B. Gouveia, Luiz Fernando Capretz
Luiz Fernando Capretz
Context: The increase in the number of qualitative and mixed-methods research published in software engineering has created an opportunity for further knowledge generation through the synthesis of studies with similar aims. This is particularly true in the research on human aspects because the phenomena of interest are often better understood using qualitative research. However, the use of qualitative synthesis methods is not widespread and worked examples of their consistent application in software engineering are needed. Objective: To explore the use of meta-ethnography in the synthesis of empirical studies in software engineering through an example using studies about the relations between …
Problem Based Learning In Engineering Education: Meeting The Needs Of Industry, Katarina Grolinger
Problem Based Learning In Engineering Education: Meeting The Needs Of Industry, Katarina Grolinger
Katarina Grolinger
Industry hires engineers primarily for solving workplace problems; consequently problem solving skills are an essential part of an engineering education. However, industry problems, as well as the environment engineers work in, are often quite different than what students experience at universities. This workshop explores problem based learning, the differences between problems students typically solve in the classroom and the workplace, as well as the strategies for making classroom problems emulate real-world workplace problems. As the main goal of engineering education is to prepare students for work in industry, closing the gap between classroom and workplace problems will result in better …
Disaster Data Management In Cloud Environments, Katarina Grolinger
Disaster Data Management In Cloud Environments, Katarina Grolinger
Katarina Grolinger
Facilitating decision-making in a vital discipline such as disaster management requires information gathering, sharing, and integration on a global scale and across governments, industries, communities, and academia. A large quantity of immensely heterogeneous disaster-related data is available; however, current data management solutions offer few or no integration capabilities and limited potential for collaboration. Moreover, recent advances in cloud computing, Big Data, and NoSQL have opened the door for new solutions in disaster data management. In this thesis, a Knowledge as a Service (KaaS) framework is proposed for disaster cloud data management (Disaster-CDM) with the objectives of 1) facilitating information gathering …
Data Management In Cloud Environments: Nosql And Newsql Data Stores, Katarina Grolinger, Wilson A. Higashino, Abhinav Tiwari, Miriam Am Capretz
Data Management In Cloud Environments: Nosql And Newsql Data Stores, Katarina Grolinger, Wilson A. Higashino, Abhinav Tiwari, Miriam Am Capretz
Katarina Grolinger
: Advances in Web technology and the proliferation of mobile devices and sensors connected to the Internet have resulted in immense processing and storage requirements. Cloud computing has emerged as a paradigm that promises to meet these requirements. This work focuses on the storage aspect of cloud computing, specifically on data management in cloud environments. Traditional relational databases were designed in a different hardware and software era and are facing challenges in meeting the performance and scale requirements of Big Data. NoSQL and NewSQL data stores present themselves as alternatives that can handle huge volume of data. Because of the …
Confucius: A Tool Supporting Collaborative Scientific Workflow Composition, Jia Zhang, Daniel Kuc, Shiyong Lu
Confucius: A Tool Supporting Collaborative Scientific Workflow Composition, Jia Zhang, Daniel Kuc, Shiyong Lu
Jia Zhang
Modern scientific data management and analysis usually rely on multiple scientists with diverse expertise. In recent years, such a collaborative effort is often structured and automated by a data flow-oriented process called scientific workflow. However, such workflows may have to be designed and revised among multiple scientists over a long time period. Existing workbenches are single user-oriented and do not support scientific workflow application development in a “collaborative fashion.” In this paper, we report our research on the enabling techniques in the aspects of collaboration provenance management and reproduciability. Based on a scientific collaboration ontology, we propose a service-oriented collaboration …
Tsu Faculty Research Interest Database, David Owerbach
Tsu Faculty Research Interest Database, David Owerbach
David Owerbach
The TSU faculty research interest database was constructed by the Office of Research and was last updated on November 20, 2014.
Opportunities For Energy Crop Production Based On Subfield Scale Distribution Of Profitability, Ian J. Bonner, Kara G. Cafferty, David J. Muth, Mark D. Tomer, David E. James, Sarah A. Porter, Douglas L. Karlen
Opportunities For Energy Crop Production Based On Subfield Scale Distribution Of Profitability, Ian J. Bonner, Kara G. Cafferty, David J. Muth, Mark D. Tomer, David E. James, Sarah A. Porter, Douglas L. Karlen
Douglas L Karlen
Incorporation of dedicated herbaceous energy crops into row crop landscapes is a promising means to supply an expanding biofuel industry while benefiting soil and water quality and increasing biodiversity. Despite these positive traits, energy crops remain largely unaccepted due to concerns over their practicality and cost of implementation. This paper presents a case study for Hardin County, Iowa, to demonstrate how subfield decision making can be used to target candidate areas for conversion to energy crop production. Estimates of variability in row crop production at a subfield level are used to model the economic performance of corn (Zea mays L.) …
Tsu Faculty Publication Database, David Owerbach
Tsu Faculty Publication Database, David Owerbach
David Owerbach
THE TSU faculty publication database is for the years 2012-2014. The database was constructed by the Office of Research and was last updated on November 20, 2014.
Boundaries Of A Complex World, Isbn 978-3-662-49078-5 (2016), Andrei Ludu
Boundaries Of A Complex World, Isbn 978-3-662-49078-5 (2016), Andrei Ludu
Andrei Ludu
Shaping Carbon Nanotube Forests For Field Emission, Ben Pound
Shaping Carbon Nanotube Forests For Field Emission, Ben Pound
Ben Pound
No abstract provided.
The Design Of The Open Prototype For Educational Nanosats, Jeremy Straub
The Design Of The Open Prototype For Educational Nanosats, Jeremy Straub
Jeremy Straub
No abstract provided.
Xena: An Automated 'Open-Source' 129xe Hyperpolarizer For Clinical Use, Panayiotis Nikolaou, Aaron M. Coffey, Laura L. Walkup, Brogan M. Gust, Nicholas Whiting, Hayley Newton, Iga Muradyan, Mikayel Dabaghyan, Kaili Ranta, Gregory D. Moroz, Matthew S. Rosen, Samuel Patz, Michael J. Barlow, Eduard Y. Chekmenev, Boyd M. Goodson
Xena: An Automated 'Open-Source' 129xe Hyperpolarizer For Clinical Use, Panayiotis Nikolaou, Aaron M. Coffey, Laura L. Walkup, Brogan M. Gust, Nicholas Whiting, Hayley Newton, Iga Muradyan, Mikayel Dabaghyan, Kaili Ranta, Gregory D. Moroz, Matthew S. Rosen, Samuel Patz, Michael J. Barlow, Eduard Y. Chekmenev, Boyd M. Goodson
Nicholas Whiting
Bovine Serum Albumin (Bsa) And Cleaved-Bsa Conjugated Ultrasmallgd2o3nanoparticles: Synthesis, Characterization, And Application To Mri Contrast Agents, Md Wasi Ahmad, Cho Rong Kim, Jong Su Baeck, Yongmin Chang, Tae Jeong Kim, Ji Eun Bae, Kwon Seok Chae, Gang Ho Lee
Bovine Serum Albumin (Bsa) And Cleaved-Bsa Conjugated Ultrasmallgd2o3nanoparticles: Synthesis, Characterization, And Application To Mri Contrast Agents, Md Wasi Ahmad, Cho Rong Kim, Jong Su Baeck, Yongmin Chang, Tae Jeong Kim, Ji Eun Bae, Kwon Seok Chae, Gang Ho Lee
Dr. Mohammad Wasi Ahmad (Md Wasi Ahmad)
No abstract provided.
Fluctuations In Transient Response Of Adsorption-Based Plasmonic Sensors, Zeljko D. Cupic
Fluctuations In Transient Response Of Adsorption-Based Plasmonic Sensors, Zeljko D. Cupic
Zeljko D Cupic
The basic parameters of a sensor element defining its ultimate performance are sensitivity and intrinsic noise. In plasmonic gas sensors both are determined by refractive index changes due to adsorption and desorption (a–d) of target analyte particles to the sensor active area. In this paper we present a general model that can be simultaneously used to determine sensitivity and intrinsic noise of a plasmonic sensor both during transients and in steady-state and is valid for multi-analyte environments. The model utilizes the conventional probabilistic approach. It is derived without any assumptions about the stochastic nature of the fundamental (a–d) process. It …