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Articles 1891 - 1920 of 2927
Full-Text Articles in Entire DC Network
Energy And Water Saving By Using Modified Closed Circuits Of Drip Irrigation System, Hani A.-G. Mansour, Mohamed Yousif Tayel, David A. Lightfoot, Abdel-Ghany Mohamed El-Gindy
Energy And Water Saving By Using Modified Closed Circuits Of Drip Irrigation System, Hani A.-G. Mansour, Mohamed Yousif Tayel, David A. Lightfoot, Abdel-Ghany Mohamed El-Gindy
Articles
The aim of this research was determine the energy and water use efficiencies under the modification of closed circuit drip irrigation systems designs. Field experiments carried out on transgenic maize (GDH, LL3), (Zea Mays crop) under two types of closed circuits: a) One manifold for lateral lines or Closed circuits with One Manifold of Drip Irrigation System (CM1DIS); b) Closed circuits with Two Manifolds of Drip Irrigation System (CM2DIS), and c) Traditional Drip Irrigation System (TDIS) as a control. Three lengths of lateral lines were used, 40, 60, and 80 meters. PE tubes lateral lines: 16 mm diameter; 30 cm …
Practical Simulation Application: Evaluation Of Process Control Parameters In Twisted-Pair Cables Manufacturing System, Amr Mahfouz, Amr Arisha
Practical Simulation Application: Evaluation Of Process Control Parameters In Twisted-Pair Cables Manufacturing System, Amr Mahfouz, Amr Arisha
Articles
Intensive competition and rapid technology development of Twisted-Pair Cables (TPC) industry have left no room for competing manufacturers to harbour system inefficiencies. TPC are used in various communication and networks hardware applications; their manufacturing facilities face many challenges including various product configurations with different equipment settings, different product flows and Work in Process (WIP) space limitations. The quest for internal efficiency and external effectiveness forces companies to align their internal settings and resources with external requirements/orders, or in different words, significant factors must be set appropriately and identified prior to manufacturing processes. Integrated definition models (IDEF0, IDEF3) in conjunction with …
Imaging Live Cells Grown On A Three Dimensional Collagen Matrix Using Raman Microspectroscopy, Franck Bonnier, Peter Knief, Basil Lim, Aidan Meade, Jennifer Dorney, Kunal Bhattacharya, Fiona Lyng, Hugh Byrne
Imaging Live Cells Grown On A Three Dimensional Collagen Matrix Using Raman Microspectroscopy, Franck Bonnier, Peter Knief, Basil Lim, Aidan Meade, Jennifer Dorney, Kunal Bhattacharya, Fiona Lyng, Hugh Byrne
Articles
Three dimensional collagen gels have been used as matrices for the imaging of live cells by Raman spectroscopy. The study is conducted on a human lung adenocarcinoma (A549) and a spontaneously immortalized human epithelial keratinocyte (HaCaT) cell line. The lateral resolution of the system has been estimated to be
Transboundary River Governance In The Face Of Uncertainty: Resilience Theory And The Columbia River Treaty, Barbara Cosens
Transboundary River Governance In The Face Of Uncertainty: Resilience Theory And The Columbia River Treaty, Barbara Cosens
Articles
No abstract provided.
Optimum Design For Maximun Wavelength Resolution For An Edge Filter Based Ratiometric System, Qiang Wu, Ginu Rajan, Pengfei Wang, Yuliya Semenova, Gerald Farrell
Optimum Design For Maximun Wavelength Resolution For An Edge Filter Based Ratiometric System, Qiang Wu, Ginu Rajan, Pengfei Wang, Yuliya Semenova, Gerald Farrell
Articles
In this letter, we propose a high resolution temperature insensitive interrogation technique for FBG sensors where one FBG acts as an edge filter to interrogate a separate FBG sensor. A high resolution of better than 5 με in strain measurement range from 0 to 1100 με and the best resolution of better than 1 με were verified by experiments. An error of only ±2.2 με is achieved over a temperature range from 15 to 50 °C, indicating that this strain interrogation technique is temperature insensitive. Using an altered system configuration, the temperature was also measured simultaneously with a resolution better …
Why I Will Never Be A Keynesian, Richard A. Epstein
Academic Fraud Today: Its Social Causes And Institutional Responses, Richard A. Epstein
Academic Fraud Today: Its Social Causes And Institutional Responses, Richard A. Epstein
Articles
No abstract provided.
Dupes And Losers In Mail Fraud, Thomas J. Miles
Easterbrook On Academic Freedom, Aziz Huq
On Law's Tiebreakers, Adam M. Samaha
On Law's Tiebreakers, Adam M. Samaha
Articles
Tiebreakers are familiar tools for decisionmaking. Ready examples include penalty shootouts in soccer matches and vice presidents breaking tie votes in the Senate. But we lack a precise understanding of the concept and a normative theory for the use of tiebreakers. This Article strictly defines a tiebreaker as a kind of lexically inferior decision rule and then builds justifications for tiebreaking decision structures. Concentrating on situations in which ties are considered intolerable, the Article suggests methods for either preventing ties or designing sensible tiebreakers. As to the latter, tradeoffs are identified for the use of random variables, morally relevant variables, …
Do Judges Cherry Pick Precedents To Justify Extra-Legal Decisions?: A Statistical Examination, Anthony Niblett
Do Judges Cherry Pick Precedents To Justify Extra-Legal Decisions?: A Statistical Examination, Anthony Niblett
Articles
No abstract provided.
Berle's Vision Beyond Shareholder Interests: Why Investment Bankers Should Have (Some) Personal Liability, Claire Hill, Richard W. Painter
Berle's Vision Beyond Shareholder Interests: Why Investment Bankers Should Have (Some) Personal Liability, Claire Hill, Richard W. Painter
Articles
This paper, published in a symposium on the work of Adolf Berle, approaches the Berle-Dodd debate from the perspective that corporate managers have responsibilities beyond pursuing the interests of shareholders. Stock based executive compensation, designed to align managers’ interests with those of shareholders, has, in the investment banking industry in particular, failed to avert, and may have caused, managers to take excessive risks that in the 2008 financial crisis inflicted great damage on creditors and on society as a whole. We describe here the broad outlines of a proposal that we will discuss in future publications in more detail to …
Regulating Consumer Demand In Insurance Markets, Daniel Schwarcz
Regulating Consumer Demand In Insurance Markets, Daniel Schwarcz
Articles
In recent years, it has become increasingly clear that Expected Utility Theory (EUT) is a remarkably poor theory of how and why individuals purchase insurance. However, the normative implications of this conclusion have remained largely unexplored. This Article takes up this issue. It argues that many observed deviations from EUT are likely the result of mistakes, in the sense that consumers would act differently than they do if they possessed perfect information and cognitive resources. From this perspective, regulatory interventions designed to improve consumer decision-making about insurance are potentially desirable. At the same time, the Article argues that some deviations …
A Burkean Perspective On Patent Eligibility, Part Ii: Reflections On The (Counter)Revolution In Patent Law, Thomas F. Cotter
A Burkean Perspective On Patent Eligibility, Part Ii: Reflections On The (Counter)Revolution In Patent Law, Thomas F. Cotter
Articles
In 2007, I published an essay in the Berkeley Technology Law Journal, titled A Burkean Perspective on Patent Eligibility, in which I discussed how the United States Court of Appeals for the Federal Circuit and the United States Patent and Trademark Office had discarded various doctrines relating to patent eligibility - among them, rules that all patentable inventions must pertain to the technological arts, that they may not read on mental steps, and that patentable processes must effect a physical transformation - in favor of an approach that asked only whether an invention had practical utility and was predictable in …
The Maximal Pure Spectrum Of An Abelian Group, Brendan Goldsmith, Ruediger Goebel
The Maximal Pure Spectrum Of An Abelian Group, Brendan Goldsmith, Ruediger Goebel
Articles
This paper introduces the notion of the maximal pure spectrum of an Abelian group - this is the set of isomorphism classes of maximal proper pure subgroups - and focuses on the situation in which this spectrum is small. The converse situation is also examined i.e. given a collection of isomorphism classes of groups, can one find an Abelian group having precisely this collection as its maximal pure spectrum. Finally, it is shown that in some familiar situations, the answers to these questions may be undecidable.
Corrosion Protection Properties Of Various Ligand Modified Organic Inorganic Hybrid Coating On Aa 2024-T3, Rajath Varma, John Cassidy, Mohamed Oubaha, Colette Mcdonagh, John Colreavy, Brendan Duffy
Corrosion Protection Properties Of Various Ligand Modified Organic Inorganic Hybrid Coating On Aa 2024-T3, Rajath Varma, John Cassidy, Mohamed Oubaha, Colette Mcdonagh, John Colreavy, Brendan Duffy
Articles
The inclusion of zirconium precursors to prepare organosilane solgel coatings improves the corrosion protection performance of the coatings on aluminium and steel. The inherent differences in the hydrolysis rates of the silane and zirconium precursors, various ligands were used to control the hydrolysis by decreasing the number of reactive alkoxide group. Hybrid sols were synthesised using 3-(trimethoxysilyl) propylmethacrylate (MAPTMS) and zirconium n-propoxide chelated with organic ligands including different organic acids, acetyl acetone and 2 2’ bipyridyl. The effects of zirconia inclusion on the properties of the coatings were compared on the aerospace alloy AA 2024-T3. Electrochemical analysis and salt spray …
Applying Geographic Information Systems To Support Strategic Environmental Assessment: Opportunities And Limitations In The Context Of Irish Land-Use Plans, Ainhoa Gonzalez, Alan Gilmer, Ronan Foley, John Sweeney, John Fry
Applying Geographic Information Systems To Support Strategic Environmental Assessment: Opportunities And Limitations In The Context Of Irish Land-Use Plans, Ainhoa Gonzalez, Alan Gilmer, Ronan Foley, John Sweeney, John Fry
Articles
The strengthening of spatial database infrastructures, further promoted by the INSPIRE Directive adopted in 2007, has led to an increased use of spatial data in planning and decision-making. Given that land-use plans are intrinsically spatial, such evidence and approaches can significantly benefit plan-making. A spatial framework could especially support the specific Strategic Environmental Assessment (SEA) aspects of the plan-making process. Spatial tools such as Geographic Information Systems (GIS) are particularly well-placed to support the environmental integration sought in SEA by providing evidence through the spatial assessment of multiple environmental datasets. Moreover, GIS bring the opportunity to augment conventional assessment techniques …
Evaluation Of The Potential Of Raman Microspectroscopy For Prediction Of Chemotherapeutic Response To Cisplatin In Lung Adenocarcinoma, Haq Nawaz, Franck Bonnier, Peter Knief, Orla Howe, Fiona Lyng, Aidan Meade, Hugh Byrne
Evaluation Of The Potential Of Raman Microspectroscopy For Prediction Of Chemotherapeutic Response To Cisplatin In Lung Adenocarcinoma, Haq Nawaz, Franck Bonnier, Peter Knief, Orla Howe, Fiona Lyng, Aidan Meade, Hugh Byrne
Articles
The study of the interaction of anticancer drugs with mammalian cells in vitro is important to elucidate the mechanisms of action of the drug on its biological targets. In this context, Raman spectroscopy is a potential candidate for high throughput, noninvasive analysis. To explore this potential, the interaction of cis-Diamminedichloroplatinum (II) (Cisplatin) with a human lung adenocarcinoma cell line (A549) was investigated using Raman microspectroscopy. The results were correlated with parallel measurements from the MTT cytotoxicity assay, which yielded an IC50 value of 1.2±0.2 μM. To further confirm the spectral results, Raman spectra were also acquired from DNA extracted from …
Solar Simulated Radiation Induced Cell Death Depends On Spectral Distribution And Irradiance But Not Output Delivery, Alanna Maguire, Fiona Lyng, James Walsh
Solar Simulated Radiation Induced Cell Death Depends On Spectral Distribution And Irradiance But Not Output Delivery, Alanna Maguire, Fiona Lyng, James Walsh
Articles
Photo biological investigations are dependent on calibration and characterisation to determine the relevance of an artificial irradiator to the study at hand. The importance of this has been voiced in the literature. However, the importance of output delivery is relatively unknown. The biological relevance of a high energy, rapidly pulsing solar simulator was investigated using the clonogenic assay and was found to be reciprocity law compliant despite an exaggerated UV irradiance in excess of 1600 Wm-2 delivered per pulse. In fact, it was found to be the least cytotoxic irradiator compared to a second solar simulator and a UVB fluorescent …
Investigation Of The Influence Of High Risk Human Papillomavirus On The Biochemical Composition Of Cervical Cancer Cells Using Vibrational Spectroscopy, Kamila Ostrowska, Alison Malkin, Aidan Meade, John O'Leary, Cara Martin, Cathy Spillane, Hugh Byrne, Fiona Lyng
Investigation Of The Influence Of High Risk Human Papillomavirus On The Biochemical Composition Of Cervical Cancer Cells Using Vibrational Spectroscopy, Kamila Ostrowska, Alison Malkin, Aidan Meade, John O'Leary, Cara Martin, Cathy Spillane, Hugh Byrne, Fiona Lyng
Articles
The main aetiology of cervical cancer is infection with high risk human papillomavirus (HPV). Cervical cancer is almost 100% curable if detected in the early stages. Thus, information about the presence and levels of HPV in patient samples has high clinical value. As current screening methods, such as the Pap smear test, are highly subjective and in many cases show low sensitivity and specificity, new supportive techniques are desirable to improve the quality of cervical cancer screening. In this study, vibrational spectroscopic techniques (Raman and Fourier Transform Infra Red absorption) have been applied to the investigation of four cervical cancer …
Silver Nanoparticle Polymer Composite Based Humidity Sensor, Aoife Power, Tony Betts, John Cassidy
Silver Nanoparticle Polymer Composite Based Humidity Sensor, Aoife Power, Tony Betts, John Cassidy
Articles
Silver nanoparticles were synthesised by a chemical reduction process in order to produce an aqueous colloidal dispersion. The resulting colloids were then characterised by a combination of UV-Vis spectroscopy, dynamic light scattering, X-ray diffraction and transmission electron microscopy and the nanoparticles were found to have an average diameter of 20–22 nm. The Ag/polymer nanocomposites were then applied to platinum interdigital electrodes as sensor coatings and the capability of the resulting sensor as a humidity detector investigated. With the application of 1 V, a current developed which was found to be directly proportional to humidity levels. The sensor gives a reversible, …
From Permutahedron To Aassociahedron, Colum Watt, Thomas Brady
From Permutahedron To Aassociahedron, Colum Watt, Thomas Brady
Articles
For each finite real reflection group $W$, we identify a copy of the type-$W$ simplicial generalised associahedron inside the corresponding simplicial permutahedron. This defines a bijection between the facets of the generalised associahedron and the elements of the type $W$ non-crossing partition lattice which is more tractable than previous such bijections. We show that the simplicial fan determined by this associahedron coincides with the Cambrian fan for $W$.
The Similarity Problem For Indefinite Sturm-Liouville Operators With Periodic Coefficients, Aleksey Kostenko
The Similarity Problem For Indefinite Sturm-Liouville Operators With Periodic Coefficients, Aleksey Kostenko
Articles
We investigate the problem of similarity to a self-adjoint operator for $J$-positive Sturm-Liouville operators $L=\frac{1}{\omega}(-\frac{d^2}{dx^2}+q)$ with $2\pi$-periodic coefficients $q$ and $\omega$. It is shown that if 0 is a critical point of the operator $L$, then it is a singular critical point. This gives us a new class of $J$-positive differential operators with the singular critical point 0. Also, we extend the Beals and Parfenov regularity conditions for the critical point $\infty$ to the case of operators with periodic coefficients.
The Filaments Of The Vicarious, Jospeh Vining
The Filaments Of The Vicarious, Jospeh Vining
Articles
Forty years is the unit of work in focus here. You have or will have units of forty years of your own, a unit of work like this. I hope what you are doing for me is also for you and your work and your encourage-ment about the decades behind you or to come. I can best respond to your generosity with a look back at the course of this effort of mine and its internal and external connections over time, to illustrate and help us keep in mind the way we mutually influence each other in our thought and …
The Antioxidant Properties Of Whey Permeate Treated Fresh-Cut Tomatoes, Lubna Ahmed, Ana Belen Martin-Diana, Daniel Rico, Catherine Barry-Ryan
The Antioxidant Properties Of Whey Permeate Treated Fresh-Cut Tomatoes, Lubna Ahmed, Ana Belen Martin-Diana, Daniel Rico, Catherine Barry-Ryan
Articles
The aim of this research was to analyse the effects of three types of cheese whey permeate treatment on the antioxidant properties of fresh-cut tomatoes. Tomatoes were treated with whey permeate concentrate (PC), delactosed permeate (DP) and delactosed concentrate (DC), stored at 4 C for 10 days and compared to samples treated with the industry standard, chlorine (120 ppm). Samples treated with DP retained significantly higher antioxidant activity (FRAP) and total phenols (TP), when compared with those treated with PC and DC. DP showed significantly higher results than chlorine for DPPH, FRAP and TP. In DPPH assay, all whey permeate-treated …
Use Of Fourier Transform Infrared Spectroscopy And Chemometric Data Analysis To Evaluate Damage And Age In Mushrooms (Agaricus Bisporus) Grown In Ireland, Aoife O'Gorman, Gerard Downey, Aoife Gowen, Catherine Barry-Ryan, Jesus Maria Frias
Use Of Fourier Transform Infrared Spectroscopy And Chemometric Data Analysis To Evaluate Damage And Age In Mushrooms (Agaricus Bisporus) Grown In Ireland, Aoife O'Gorman, Gerard Downey, Aoife Gowen, Catherine Barry-Ryan, Jesus Maria Frias
Articles
The aim of this research was to investigate whether the chemical changes induced by mechanical damage and aging of mushrooms can be (a) detected in the mid-infrared absorption region and (b) identified using chemometric data analysis. Mushrooms grown under controlled conditions were bruise-damaged by vibration to simulate damage during normal transportation. Damaged and non-damaged mushrooms were stored for up to 7 days post-harvest. Principal component analysis of FTIR spectra showed evidence that physical damage had an effect on tissue structure and the aging process. Random forest classification models were used to predict damage in mushrooms producing models with error rates …
Climbing Eements In Finite Coxeter Groups, Colum Watt, Thomas Brady, Aisling Kenny
Climbing Eements In Finite Coxeter Groups, Colum Watt, Thomas Brady, Aisling Kenny
Articles
We define the notion of a climbing element in a finite real reflection group relative to a total order on the reflection set and we characterise these elements in the case where the total order arises from a bipartite Coxeter element.
Schrödinger Operators With Δ'Interactions And The Krein–Stieltjes String, Aleksey Kostenko, M. M. Malamud
Schrödinger Operators With Δ'Interactions And The Krein–Stieltjes String, Aleksey Kostenko, M. M. Malamud
Articles
We investigate one dimensional symmetric Schrödinger operator HX, β with δ' interactions of strength β = ⊂ on a discrete set X = ⊂ [0, b), b ≤ +∞ (xn ↑ b). We consider HX, β as an extension of the minimal operator Hmin := –d2/dx2 (\X) and study its spectral properties in the frame work of the extension theory by using the technique of boundary triplets and the corresponding Weyl functions. The construction of a boundary triplet for is given in the case d∗ := infn ∈ |xn – xn – 1| = 0. We show that spectral properties …
Heat Transfer Through The Boundary Layer On A Moving Cylindrical Fibre, Brendan Redmond, David Mcdonnell
Heat Transfer Through The Boundary Layer On A Moving Cylindrical Fibre, Brendan Redmond, David Mcdonnell
Articles
This paper applies boundary layer theory to the process of manufacturing polymer fibres known as the melt spinning process. The rate of heat loss of the fibre during this process, characterised by the local Nusselt number, is evaluated by means of a Pohlhausen integral method.
Assessment Of The Accuracy Of An Ultrasound Elastography Liver Scanning System Using A Pva-Cryogel Phantom With Optimal Acoustic And Mechanical Properties, S. Cournane, Louise Cannon, Jacinta Browne, Andrew Fagan
Assessment Of The Accuracy Of An Ultrasound Elastography Liver Scanning System Using A Pva-Cryogel Phantom With Optimal Acoustic And Mechanical Properties, S. Cournane, Louise Cannon, Jacinta Browne, Andrew Fagan
Articles
The accuracy of a transient elastography liver-scanning ultrasound system was assessed using a novel application of PVA-cryogel as a tissue-mimicking material with acoustic and shear elasticity properties optimized to best represent those of liver tissue. Although the liver scanning system has been shown to offer a safer alternative for diagnosing liver cirrhosis through stiffness measurement, as compared to the liver needle biopsy exam, the scanner’s accuracy has not been fully established. The Young’s elastic modulus values of 5-6wt% PVA cryogel phantoms, also containing glycerol and 0.3μm Al2O3 and 3μm Al2O3, were measured using a ‘gold standard’ mechanical testing technique and …