296 research outputs found
Investigation of polymer and surfactant-polymer injections in South Slattery Minnelusa Reservoir, Wyoming
No full textThis paper presents an investigation of the enhanced oil recovery (EOR) potential in the South Slattery Minnelusa formation. The South Slattery Field, which is characterized by low permeability and high saline brine, is stepping into the economic limits of secondary waterflood. A chemical flooding simulation model which was based on experimental parameters was set up for the potential investigation of EOR. Both polymer and surfactant-polymer floods were investigated. The recoveries of these EOR methods are presented, and the development efficiencies are analyzed. © 2011 The Author(s)
Contractual Choice of Law Issues on the Outer Continental Shelf
No full textSlattery's article examines how contractual choice-of-law provisions operate within the unique statutory framework governing the Outer Continental Shelf (OCS). It explains that the Outer Continental Shelf Lands Act (OCSLA) incorporates state law as surrogate federal law only when federal law is silent and when state law is not inconsistent with federal interests. Slattery analyzes the tension between parties’ contractual autonomy—particularly in selecting governing law—and OCSLA’s mandatory choice-of-law structure designed to ensure uniformity in offshore operations. Through case law review, the article highlights courts’ differing approaches to enforcing choice-of-law clauses when they conflict with OCSLA’s provisions. Ultimately, the author concludes that clearer judicial standards are needed to balance contractual freedom with OCSLA’s federal statutory mandates
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Impact origin of the Moon
No full textA few years after the Apollo flights to the Moon, it became clear that all of the existing theories on the origin of the Moon would not satisfy the growing body of constraints which appeared with the data gathered by the Apollo flights. About the same time, researchers began to realize that the inner (terrestrial) planets were not born quietly -- all had evidences of impacts on their surfaces. This fact reinforced the idea that the planets had formed by the accumulation of planetesimals. Since the Earth`s moon is unique among the terrestrial planets, a few researchers realized that perhaps the Moon originated in a singular event; an event that was quite probable, but not so probable that one would expect all the terrestrial planets to have a large moon. And thus was born the idea that a giant impact formed the Moon. Impacts would be common in the early solar system; perhaps a really large impact of two almost fully formed planets of disparate sizes would lead to material orbiting the proto-earth, a proto-moon. This idea remained to be tested. Using a relatively new, but robust, method of doing the hydrodynamics of the collision (Smoothed-Particle Hydrodynamics), the author and his colleagues (W. Benz, Univ. of Arizona, and A.G.W. Cameron, Harvard College Obs.) did a large number of collision simulations on a supercomputer. The author found two major scenarios which would result in the formation of the Moon. The first was direct formation; a moon-sized object is boosted into orbit by gravitational torques. The second is when the orbiting material forms a disk, which, with subsequent evolution can form the Moon. In either case the physical and chemical properties of the newly formed Moon would very neatly satisfy the physical and chemical constraints of the current Moon. Also, in both scenarios the surface of the Earth would be quite hot after the collision. This aspect remains to be explored
The evolution and stratigraphic architecture of fluvio-lacustrine deltas: reservoir characteristics from the Red River Delta, Lake Texoma and the Denton Creek Delta, Grapevine Lake, TX
No full textElongate, single-channel, non-bifurcating deltas are currently forming in many lakes throughout the United States. The Red River Delta forms an elongate, single-delta into Lake Texoma, sourced by a sand-rich, bedload dominated river system. Current models of delta formation suggest muddy rivers can form elongate deltas due to a lack of sand to form mouth bars, driving bifurcation, but do not explain a mechanism for a sandy river to form a non-bifurcating delta. We propose a model for elongate, single-channel deltas based on a process of grain-size separation within the delta channel, resulting in a sand starved river mouth that cannot bifurcate. Our results indicate that elongate, non-bifurcating deltas should be formed by muddy and sandy rivers alike, and therefore may represent the default delta. Field mapping at Lake Texoma and Grapevine Lake show that these single-channel deltas are found to be associated with overbank sand sheets that emanate laterally from the channel axis. These wings are interpreted to be blowout wings (after Tomanka, 2013) and are a modern example of lacustrine hyperpycnites (after Zavala, 2006). These wings are thin (10-40 cm) and laterally continuous, with lengths and widths spanning several hundred meters from the channel, and aspect ratios reaching 2,480 m wide per 1 m thickness. Blowout wings are found to scale to the formative depositional system, with dimensions corresponding to 5 times the channel width. The recognition of blowout wings greatly increases the potential static connectivity of fluvial bodies by connecting otherwise isolated channels through a network of laterally extensive wings. Adding blowout wings into the lexicon of high-accommodation fluvial depositional models should be considered for subsurface exploration
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Fast algorithm for two-dimensional data table use in hydrodynamic and radiative-transfer codes
No full textA fast algorithm for finding interpolated atomic data in irregular two-dimensional tables with differing materials is described. The algorithm is tested in a hydrodynamic/radiative transfer code and shown to be of comparable speed to interpolation in regularly spaced tables, which require no table search. The concepts presented are expected to have application in any situation with irregular vector lengths. Also, the procedures that were rejected either because they were too slow or because they involved too much assembly coding are described
Mechanisms of calcineurin inhibitor nephrotoxicity in chronic allograft injury
No full textThe first successful transplantation of a human kidney was performed more than 50 years ago by Murray and colleagues in 1954 between identical twins. The success of this transplantation was due to the fact that no significant rejection occurs between genetically identical twins and therefore immunosuppression was not necessary in this particular case (Merrill et al., 1956).
However, solid-organ transplantation could not be considered truly successful until the 1970’s after significant technical and pharmacological advances. In particular, the discovery and development of the calcineurin inhibitors (CNIs) has made allograft transplantation routinely successful with greatly reduced risk of acute rejection. In the absence of pharmacological agents to address the primary pathological mechanisms involved, renal transplantation has now been the standard management of end stage renal failure for the past four decades (Wolfe
et al., 1999). Short-term renal allograft and allograft recipient survival rates have increased significantly during the last decade largely due to improved patient monitoring. However, allograft half-life beyond 1 year post-transplant remains largely unchanged. While rates of early allograft failure have significantly reduced, late renal allograft dysfunction remains a significant problem in the transplant population (de Fijter). Chronic allograft injury (CAI) is the most prevalent cause of allograft dysfunction in the first decade after transplantation. The term CAI is used to describe deterioration of renal allograft function and structure due to
immunological processes (i.e. chronic rejection) and/or a range of simultaneous nonimmunological factors such as CNI-induced nephrotoxicity, hypertension and infection. This chapter will outline the pathophysiology and etiology of CAI and the role that CNI nephrotoxicity plays in this disease process. It will also review experimental studies that have identified important molecular mechanisms involved and discuss strategies utilised to minimise the development and progression of CAI.Science Foundation IrelandHigher Education AuthorityIrish Research Council for Science, Engineering and TechnologyEuropean Research CouncilHealth Research BoardEnterprise Irelandti, ke, ab, de - TS 29.03.1
Alice Carey Inskeep (1875-1942): A Piioneering Iowa Music Educator and MENC Founding Member
No full textabstract: The purpose of this study was to examine the professional contributions of Alice Carey Inskeep (1875-1942), who contributed significantly to music education through her positive and effective teaching, supervising, community service, and leadership in music education. Inskeep was born in Ottumwa, Iowa, and taught for five years in that city's school system after graduating from high school. She served as music supervisor in Cedar Rapids, Iowa, for most of the remainder of her career, when she provided progressive leadership to the schools and community. She was one of three people appointed to plan the initial meeting in Keokuk, Iowa, for what eventually became MENC: The National Association for Music Education, and she was one of sixty-nine founding members of the organization in 1907. The Keokuk meeting served as an impetus for Inskeep to to travel to Chicago, where she studied with several notable music educators. Later, she sat on the organization's nominating committee, the first Educational Council (precursor to the Music Education Research Council) board of directors, and provided leadership to two of the organization's affiliates, the North Central Division and the Iowa Music Educators Association. She served as a part-time or summer faculty member at Iowa State Normal School and Coe College in Cedar Falls and Cedar Rapids, Iowa, respectively, and the American Institute of Normal Methods in Evanston, Illinois, and Auburndale, Massachusetts
Aboriginal Sovereignty and Imperial Claims
No full textIt is commonly assumed that Indigenous American nations had neither sovereignty in international law nor title to their territories when Europeans first arrived; North America was legally vacant and European powers could gain title to it simply by discovery, symbolic acts, occupation, or treaties among themselves. It follows, on this view, that current Indigenous claims to internal sovereignty or a third order of government have no historical basis. This paper argues that this viewpoint is misguided and cannot be justified either by reference to positive international law or basic principles of justice. The author\u27s view is that Indigenous American nations had exclusive title to their territories at the time of European contact and participated actively in the formation of Canada and the United States. This fact requires us to rewrite our constitutional histories and reconsider the current status of Indigenous American nations
Localization practices in trading card games: Magic the Gathering from english into portuguese
No full textDissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Comunicação e Expressão, Programa de Pós-Graduação em Inglês: Estudos Linguísticos e Literários, Florianópolis, 2014.Abstract : The localization of a Trading Card Game of long durability and frequent updating such as Magic the Gathering (USA, 2003-present) requires a specific and detailed translation in relation to consistency, while following certain policies. This study presents a parallel, bilingual corpus created to observe technical constraints and localization policies which may pertain to the translation of such type of material from English into Brazilian Portuguese. In order to do so, the textual spoiler of 249 cards in each language has been extracted, aligned, and analyzed using Wordsmith 3.0 and Notepad++, with theoretical support of the translation description model created by Lambert & Van Gorp (1985) adapted for this genre. Macro analyses and subsequent micro analyses have both resulted in the observation of a translation product in Portuguese that is linguistically adequate to the target system, but not acceptable in the target cultural system. Additionally, certain sections of the product which require less rigidity in relation to the game rules could gain from the use of transcreation.A localização de um Jogo de Estampas Ilustradas de longa duração e atualização frequente como Magic The Gathering (EUA, 2003-atual) requer tradução específica e detalhada em relação a consistência lexical, ao mesmo tempo em que certas políticas devem ser seguidas. Este estudo apresenta um corpus paralelo e bilíngue criado a fim de observar restrições técnicas e políticas de localização que possam ser pertinentes à tradução de tal material do inglês ao Português do Brasil. Para tal fim, o texto de 249 cards em cada língua foi extraído, alinhado e analisado utilizando os programas Wordsmith 3.0 e Notepad++, com aporte teórico do modelo descritivo de traduções criado por Lambert e Van Gorp (1985) adaptado para o gênero. Ambas macro e micro análises resultaram na observação de um produto tradutório linguisticamente adequado ao sistema-alvo do Português, mas que não é aceitável em seu sistema cultural. Além disso, certas seções do produto que requerem menos rigidez em relação às regras do jogo poderiam ganhar em qualidade com o uso da transcriação
The Charter\u27s Relevance to Private Litigation: Does Dolphin Deliver?
No full textThe author critically examines the recent decision of the Supreme Court of Canada in Retail, Wholesale and Department Store Union, Local 580 v. Dolphin Delivery Ltd. This case holds that the Canadian Charter of Rights and Freedoms only applies to the relations between government and private persons and not to relations between private persons alone, with two exceptions. The author argues that the first exception - when a private person invokes a statute, rather than the common law, against another private person - is untenable because both the common law and the droit civil are grounded in legislative instruments, respectively Reception Acts and the Civil Code of Lower Canada. He also argues that the second exception - that the courts ought to develop the common law in a manner consistent with the Charter in general - is incongruous, for it directs them to do on the one hand what they have been disqualified from doing on the other. The author suggests that the distinction between legislation and the common law (or droit civil) is not helpful in determining when the Charter should apply. This determination should be made, not on a wholesale basis, but in light of individual Charter provisions
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