bluuebunny/crossref_metadata_2025_split huggingface dataset:
Prediction of major international soccer tournaments based on team-specific regularized Poisson regression: An application to the FIFA World Cup 2014
Authors: Groll Andreas , Schauberger Gunther , Tutz Gerhard 
Published: May 2015

AbstractIn this article an approach for the analysis and prediction of international soccer match results is proposed. It is based on a regularized Poisson regression model that includes various potentially influential covariates describing the national teams’ success in previous FIFA World Cups. Additionally, within the generalized linear model (GLM) framework, also differences of team-specific effects are incorporated. In order to achieve variable selection and shrinkage, we use tailored Lasso approaches. Based on preceding FIFA World Cups, two models for the prediction of the FIFA World Cup 2014 are fitted and investigated. Based on the model estimates, the FIFA World Cup 2014 is simulated repeatedly and winning probabilities are obtained for all teams. Both models favor the actual FIFA World Champion Germany.
The effect of two commercial melt strength enhancer additives on the thermal, rheological and morphological properties of polylactide
Authors: Hernández-Alamilla Montserrat , Valadez-Gonzalez Alex 
Published: May 2015

Abstract
The effect of two commercial melt strength enhancer additives, Paraloid BPMS-250 (BPMS) and Biostrength 700 (BIOS), on the thermal, rheological and morphological properties of polylactide (PLA) was studied. Thermal analyses showed that both the BPMS and BIOS additives decreased the ability of PLA to crystallize. The rheological tests indicated that zero-shear viscosity and storage modulus of the PLA/BPMS and PLA/BIOS blends were significantly increased with the additive content. These could be attributed to the entanglements between the PLA chains with those of the high molecular weight additive, creating a physical network which reduces the segmental mobility of PLA and improves the melt elasticity of the blend. The entanglement molecular weights (M

e
) of PLA/BPMS and PLA/BIOS blends were lower than those of unprocessed and processed PLA (M

e
≈4×104 g/mol), which suggests greater chain entanglements and a higher entanglement density (v

e
). The elongational viscosity (η

E
) and melt strength values were estimated using a screw-extrusion capillary rheometer, where the PLA/BIOS blends presented the highest values. Finally, scanning electron microscopy on the samples was carried out to assess the blend morphology.
Die Zukunft der Lehre in Public Health in Deutschland
Authors: Blättner Beate , Dierks Marie Luise 
Published: May 2015

Einleitung
Lehre in Public Health heißt, Menschen dafür auszubilden, künftige Aufgaben der Gesundheitsforschung, der Gesundheitsförderung und der Gesundheitsversorgung unter einer interdisziplinären Perspektive mit wissenschaftlichen Theorien und Methoden bearbeiten zu können. Zudem sollen sie nicht nur die sozialen und ethischen Implikationen von gesundheitspolitischen und strukturellen Entscheidungen im Gesundheitswesen kennen und beeinflussen, sondern auch gesundheitsrelevante Entscheidungen in anderen Politikfeldern in ihrer Tragweite beurteilen und im Sinne der Nutzer des Gesundheitswesens gestalten können. Die Vermittlung der entsprechenden Grundlagen findet aktuell in Deutschland in einer bunten Landschaft auf Bachelor-, Master- und Promotionsniveau statt. Dazu gehören Studiengänge, die Public Health in breiter Perspektive anbieten, aber auch Programme, die Teilaspekte abdecken, zum Beispiel Gesundheitsförderung, Gesundheitskommunikation oder Gesundheitsmanagement, dabei aber nicht immer die bevölkerungsbezogene Perspektive beinhalten. Die Herstellung von Transparenz über Studieninhalte, Studienabschlüsse und über Qualifikationsprofile und die Stärkung des Fachs Public Health sind wichtige Zukunftsaufgaben.
Literalität und Gesundheit
Authors: Quenzel Gudrun , Schaeffer Doris , Messer Melanie , Vogt Dominique 
Published: May 2015

Einleitung
Zu den zentralen Herausforderungen von Public Health gehört, die Gesundheitskompetenz der Bevölkerung zu stärken, doch ebenso, das Gesundheitssystem nutzerfreundlicher zu gestalten und es so zu verändern, dass die Anforderungen an die Nutzer möglichst gering sind und zugleich ihre Gesundheitskompetenz verbessert wird.
Role of protein kinase A in regulating mitochondrial function and neuronal development: implications to neurodegenerative diseases
Authors: Dagda Ruben K. , Das Banerjee Tania 
Published: May 2015

AbstractIn neurons, enhanced protein kinase A (PKA) signaling elevates synaptic plasticity, promotes neuronal development, and increases dopamine synthesis. By contrast, a decline in PKA signaling contributes to the etiology of several brain degenerative diseases, including Alzheimer’s disease and Parkinson’s disease, suggesting that PKA predominantly plays a neuroprotective role. A-kinase anchoring proteins (AKAPs) are large multidomain scaffold proteins that target PKA and other signaling molecules to distinct subcellular sites to strategically localize PKA signaling at dendrites, dendritic spines, cytosol, and axons. PKA can be recruited to the outer mitochondrial membrane by associating with three different AKAPs to regulate mitochondrial dynamics, structure, mitochondrial respiration, trafficking, dendrite morphology, and neuronal survival. In this review, we survey the myriad of essential neuronal functions modulated by PKA but place a special emphasis on mitochondrially localized PKA. Finally, we offer an updated overview of how loss of PKA signaling contributes to the etiology of several brain degenerative diseases.
Procesos de globalización y circulación del significado en los medios deportivos: dos casos de polémicas sobre discurso discriminatorio en el fútbol internacional
Authors: Achugar Mariana , Canale Germán 
Published: May 2015

Resumen
La globalización genera espacios multilingües de interacción donde existen conflictos en la interpretación de prácticas discursivas aceptables a nivel local, provocando una re-escalarización (Fairclough, 2010; Blommaert, 2014) de lo local, nacional, regional y global. Este trabajo explora cómo en el fútbol internacional – en que interactúan jugadores, fanáticos y medios deportivos internacionales – se disputan estas prácticas discursivas y su significado. En un corpus de artículos periodísticos investigamos dos incidentes en los que enunciados en español fueron interpretados por hablantes de otras lenguas ­como actos discriminatorios. Usando herramientas de análisis del discurso (Martin y White, 2005; van Dijk, 2000; van Leeuwen y Wodak, 1999) mostramos cómo se construyen comunidades axiológicas y posicionamientos ideológicos que legitiman marcos interpretativos regionales, relegando a un segundo plano la discusión sobre las prácticas discursivas discriminatorias a nivel local. Esta pugna por el derecho a la interpretación produce reflexiones metapragmáticas sobre la inestabilidad del significado a través de las diferentes escalas (global, regional, local). Mostramos cómo lo que en una escala resulta inocuo, en otra es un índice de significados ideológicamente cargados que define a un individuo o grupo como racista u homofóbico.
Physical Constants of Hydrocarbon and Non-Hydrocarbon Compounds
Authors:   ASTM Committee D02
Published: May 2015

Description
Pure component properties are required for nearly all calculation and design procedures used in modern hydrocarbon process design. The properties contained in DS 4B are deemed the most useful in the petroleum refining and associated industries for these designs.
DS 4B is the most complete compilation of this data in one source, complete with references. It updates the 1971 edition. This new edition includes all of Chapter 1 from the American Petroleum Institute's Publication 999, Technical Data Book--Petroleum Refining. This edition is broader in scope, and includes Hydrocarbons C1 to C30 as well as non-hydrocarbons.
For chemical engineers, engineering managers.
Photo-Reversibility of Cinnamylidene Acetic Acid Derived Crosslinks in Poly(ε-caprolactone) Networks
Authors: Störmann Florian , Wischke Christian , Lendlein Andreas 
Published: May 2015

ABSTRACTPhotoswitchable polymeric materials comprise moieties that undergo light-induced chemical reactions or conformational alteration. The reversibility of photo-responsive molecular switches has an influence on material functions observed on the macroscopic level such as reversibility of shape switching, especially with regard to the number of cycles. Cinnamylidene acetic acid (CAA) has received attention due to its reversible dimerization by [2+2] cycloaddition reactions. In the present study, possible side-reactions during photo-scission of the CAA dimers as netpoints in poly(ε-caprolactone) based materials were studied by fluorescence spectroscopy, HPLC and 1H,1H-COSY. Liberation of fluorescent fragments, which have their origin in the various dimer structures, could only be found in small amounts, while a non-identified species seems to be generated during dimerization and photo-scission. The results furthermore suggest that CAA-based switches in PCL-networks do not provide full reversibility of netpoint formation under the examined conditions, due to non-selective side-reactions, which could lead to an attenuation of the macroscopic effect in multiple photo-cycles. In perspective, the design of CAA derivatives with enhanced photo-reversibility should be targeted.
Air Stripping for Treatment of Produced Water
Authors: Fang C. S. , Lin J. H. 
Published: May 2015

ABSTRACT
In a laboratory study, air stripping shows a promising potential for treatment of produced water to meet the new government regulations on total organic carbon. Reservoir hydrocarbons dissolved in water, such as volatile paraffins and aromatics, can be removed by air stripping through interphase mass transfer. However, air stripping can not remove many chemicals added to crude oil by the operator.
Mechanisms of Residual Oil Displacement by Steam Injection
Authors: Stewart L. D. , Udell K. S. 
Published: May 2015

Abstract
A model of one-dimensional steam displacement of residual oil has been developed. The quasi-steady model considers the capillary pressure gradients due to the simultaneous flow of the oil, water, and steam to be the dominant factors in oil bank mobilization. The effects of gravity on steam displacement were also included in the model. Semi-analytical calculations of saturation and pressure distributions are presented to illustrate the mechanisms.
It was shown that under most conditions, the Buckley-Leverett displacement velocity is significantly faster than the steam condensation front velocity. This result and conservation of oil mass required the use of the steam condensation front velocity as the characteristic velocity in the problem formulation. An expression for a limiting oil saturation at the steam zone interface was thus derived.
Experiments were conducted to examine steam displacement of volatile, partially volatile and nonvolatile nonaqueous phase liquids at a residual saturation of 2.5%. Complete displacement of all low viscosity, partially volatile liquids was observed. Displacement of a high viscosity, nonvolatile oil was not observed. These experiments were in reasonable agreement with the model.
The Kern River Horizontal-Well Steam Pilot
Authors: Dietrich J. K. 
Published: May 2015

ABSTRACT
The Kern River vertical shaft and horizontal well steam pilot was designed and installed on the basis of a geological model which emerged from analysis of numerous closely spaced wellbore drilled on the 25-acre test site. Numerical simulation was used to develop both the strategy for stemflooding operations performed at the test site during the period 1982–1983 and the projections of long-term process performance.
Eight horizontal wellbores spaced at 45-degree increments were rotary-drilled into the base of the heavy oil column (18 to 20 degree API) from a 500-foot vertical shaft positioned at the center of the 25-acre rectangular pilot area. The original concept was to use only horizontal wells for cyclic steaming and steamflooding operations; this concept was modified on the basis of simulation results which indicated the potential for early steam breakthrough and poor capture efficiency of the displaced oil. The modification involved drilling conventional vertical wells (one well within each of the eight sectors formed by the horizontal wells) and injecting steam into them while producing from the horizontal wells (Figure 1).
The pilot was terminated because of unfavorable economics after recovering 2-1/2 percent of the oil-in-place. The oil recovery rate and process efficiency were each improving at the time the pilot was abandoned. Early sluggish oil response was predicted and observed owing to low vertical permeability and extensively depleted oil saturation and pressure conditions which exist at the pilot site. Long-term pilot operations were shown to be capable of recovering significantly more oil at equivalent OSR than that expected from conventional steamflood development.
Effects of Shutting in Injectors on Steamflood Performance
Authors: Hong K. C. 
Published: May 2015

ABSTRACT
The effects of temporarily shutting in steam injection wells on oil recovery by steamflooding were studied using a steam injection simulator. Both heavy and light oil steamflood situations were considered. One-eighth of a five-spot models representing the two types of reservoirs were employed to study the effects of shutting in the injector for up to eight months on the oil production performance during the shut-in period as well as following the resumption of steam injection.
The simulation results show that temporarily shutting in injectors is not detrimental to overall oil recovery. For each type of reservoir (heavy or light oil) the cumulative oil production at a limiting instantaneous steam-oil ratio of 10 was essentially the same regardless of the length of injector shut-in. The cumulative steam-oil ratio at the end of the project life also remains the same regardless of the length of shut-in. Shutting in the injector, however, prolongs the project life, increasing it by about the length of shut-in for the heavy oil and by more than the length of shut-in for the light oil case.
This paper compares oil production performances for steamflood projects operating under different shut-in scenarios, and recommends strategies to cope with changing economic environment.
Eliminating Formation Damage by Underbalanced Coiled Tubing Drilling - A Field Case History from Hungary
Authors: Wesemann Mark , LeClair David 
Published: May 2015

Abstract
Formation damages caused by the invasion of drilling and workover fluids into the near wellbore area can become a major threat for production. Over the last decades, several techniques have been developed to mitigate this issue in terms of mud cake removal and wellbore stimulation to either dissolve or bypass the damage created. However, the most promising and efficient way would be the elimination of fluid invasion in the first place by underbalanced drilling. Therefore the applicability of this approach in a reservoir located in Hungary will be demonstrated in the following.
The paper reports the challenges as well as the final success of the well Öscöd Eny 1, which was nearly completely lost, until it was recovered by non-damaging Coiled Tubing Drilling.
Due to severe wellbore control issues while conventionally drilling into an over pressured horizon, the well had to be partly cemented to shut of the intense gas influx. Coiled Tubing as the ideal tool for live operations was then used to firstly mill out this cement and secondly deepen the unfinished wellbore significantly into the pay zone – both underbalanced.
Based on the great operational success of this procedure and the impressive production results of a nearly lost wellbore, it was decided to apply this method in an optimized overall procedure for future wells, as it was faster, cheaper and most importantly not damaging to the formation, leading to significantly improved production.
All in all, this paper provides an insight into a successfully applied technology to eliminate formation damage in a Hungarian Gas Field, which led to a rethinking about how to drill and complete these reservoirs in a cost effective and non-damaging way.
40 Years of Low-Salinity Waterflooding in Pervomaiskoye Field, Russia: Incremental Oil
Authors: Akhmetgareev Vadim , Khisamov Rais 
Published: May 2015

Abstract
Low-salinity waterflooding (LSW) and its effect on oil recovery factor have been studied around the world during the last 30 years. Low-salinity/fresh water was used in the initial stage of waterflooding because of deficiency of produced water. The Pervomaiskoye oil field in Republic of Tatarstan is one of the examples. Waterflooding started in 1966. Water was taken from the nearest water source, the Kama River. After more than 40 years, about two PVI has been injected, and 30.1% of this injected water was low-salinity.
This paper presents the results of laboratory study of double core flooding using high-salinity (formation) and low-salinity (river) water. Two plugs were taken with the clay content of about 0.8% and 0.1% and the permeabilities of 432 and 291 mD, respectively. Dead oil was used with the viscosity of 37.5 mPa.s. TDS values were about 252,738 ppm for high-salinity water and 848 ppm for low-salinity water. Dry and vacuumed plugs were saturated, first, with high-salinity water, then, with oil, to simulate connate water saturation; then, oil was displaced with the same water. After this, the cores wre restored to the connate water by a secondary oil flood, and finally, LSW was simulated. In both cases, oil recovery was recorded and fines release was analyzed.
Processing of the low-salinity corefloods data by a numerical model shows a two-fold decrease of water relative permeability for the first plug and 1.5 times reduce of residual oil saturation for the second plug. Fines release and formation damage was observed in the first plug and wettability alteration in the second plug. Oil relative permeability didn't change. Also, the unusual behavior of water relative permeability in response to low-salinity waterflood was observed, namely, it decreased at water saturation values more than 0.4.
To investigate the low-salinity EOR effect seven pilots on the Pervomaiskoye field were analyzed, with high-salinity waterflooding following LSW. Incremental oil recovery for these pilots, that has been achieved by now, is approximately 5-9%. Calculations of low-salinity EOR effect in the field show that LSW through 96 injectors ensures to date the incremental recovery factor of 3-4%.
The reservoir 3D model of five-spot pattern for the Pervomaiskoye field for fines-assisted waterflooding gave incremental oil recovery by 5-11%. The laboratory relative permeabilities were used in the model. Incremental oil recovery depends on the number of the flooded layers.
Development of a Novel Methodology to Identify Seawater Breakthrough Onset and Understand Formation Damage Caused by BaSO4 Scale Deposition - History Match of North Sea Wells
Authors: Chen Tao , Marinou Eugenia , Chalmers Frances 
Published: May 2015

Abstract
Waterflooding with seawater is the most common approach to supporting reservoir pressure and stimulating oil production in offshore installations. However, producing wells can be significantly damaged when seawater breakthrough occurs, as BaSO4 scale can deposit in the near wellbore area; especially for wells with formation waters containing a high concentration of barium ions.
Different ion monitoring and analysis methods are traditionally used to calculate the percentage of seawater breakthrough, with varying levels of accuracy and reliability. This presents a significant challenge, as accurate determination of seawater breakthrough, especially at its onset, is critical for scale management and selection of appropriate mitigation strategies.
This paper discusses the development of a simple methodology for seawater breakthrough determination in a North Sea field, using reactive ions. Unlike other approaches, the method calculates the percentage of seawater breakthrough through the balancing of the seawater breakthrough as determined from individual reactive ions; it also allows the determination of BaSO4 mass deposition downhole, corresponding BaSO4 mass stripped in the deep reservoir and amount deposited in the near wellbore.
The relationship between oil production rate and percentage of actual seawater breakthrough has been correlated based on matching well historical data. The different stages of formation damage as a function of increasing seawater breakthrough are also presented. Last, the difference between the contribution of BaSO4 stripped in deep reservoir and deposited in the near wellbore on and its impact on formation damage is discussed.
This paper presents a comprehensive study of monitoring and calculating seawater breakthrough using a robust and accurate methodology. Seawater breakthrough and the relationship between downhole scale deposition and formation damage have been correlated using real field data. Combined with scale predictions, it is proposed that this approach can enhance scale management strategies and thus optimise oil production. The method is applicable to any oilfield using seawater flooding, rendering it a significant tool in optimising oil production and minimising well downtime.
New Laboratory Method to Assess Formation Damage in Geothermal Wells
Authors: You Zhenjiang , Badalyan Alexander , Yang Yulong , Carageorgos Themis , Schacht Ulrike , Bedrikovetsky Pavel , Hand Martin 
Published: May 2015

Abstract
The new method to assess permeability damage in geothermal reservoirs and predict well productivity decline is presented. The laboratory methodology developed aims to determine permeability decline from mobilisation, migration and straining of natural reservoir fines. Laboratory coreflood testing with constant and stepwise decreasing ionic strength has been performed with measurements of the pressure drop along the core and accumulated effluent particle concentration. Stabilisation of rock permeability occurs after injection of numerous pore volumes, suggesting slow drift of mobilised particles if compared with the carrier water velocity. Low ionic strength water increases electrostatic repulsion forces between clay particles and sand grain surfaces, further mobilising particles and resulting in formation damage. Kaolinite and illite/chlorite mixed layer clay minerals are identified by SEM-EDAX analysis and are the minerals primarily responsible for the permeability damage. The competitive effects of decreasing water viscosity and weakening electrostatic attraction on the attached particle concentration during temperature increase have been observed. The micro-modeling of the fine particle mechanical equilibrium shows that the water viscosity effect on the fine particle attachment dominates. It results in decreased fines detachment and permeability decline at high temperatures.