bluuebunny/crossref_metadata_2025_split huggingface dataset:
Atlanta Field: Producing Heavy and Viscous Oil in Ultra-Deepwater
Authors: Marsili Marcelo Danemberg , Rocha Paulo Sérgio , Ferreira Igor de Almeida 
Published: October 2019

Atlanta Field is a post-salt heavy oilfield located 185 km off the city of Rio de Janeiro, in Santos Basin, Brazil, at a water depth of approximately 1,550 m. Atlanta, however, is not just another ultra-deepwater heavy oil field. Several additional challenges had to be overcome for its development, such as: (i) low reservoir overburden (800 m); (ii) highly unconsolidated sandstone reservoir (36% porosity and 5,000 mD permeability); (iii) heavy and viscous crude flow assurance (14°API and 228 cP at initial reservoir conditions); (iv) high naphthenic acidity oil (TAN 10 mg KOH/g); (v) high power artificial lift pumping system requirement (1,600 hp); and (vi) complex topside crude facilities.The development of Atlanta Field was phased in two stages: (i) an Early Production System (EPS), which is expected to last from four to five years and comprises three horizontal production wells, and (ii) a Definitive Production System (DPS), which will add nine wells to complete the development plan with 12 horizontal producers. The first two EPS wells were successfully constructed and tested during 2013 and 2014, proving the feasibility of surpassing the great challenges imposed by the field’s unique environment and enabling the beginning of the production phase of the field. First oil occurred in May 2018 with these two wells producing to the FPSO Petrojarl I. The third and last producer of the EPS was constructed in 2019 and began operation in June of the same year. More than five million barrels of oil were already produced to date.Marsili et al. (2015) described in detail the exploration and development phases of Atlanta focusing on their challenges and the overcoming process and solutions adopted. This current work intends to present an updated review of the paper, providing the most recent information related to the project with a subsequent focus on the production phase findings and results. Among others, initial prediction and expectations will be compared with actual field performance. For all milestones achieved, Atlanta project is considered a great success so far and a benchmark for the industry in this harsh and adverse environment.
Digitalized Deepwater Production Facilities for South America - Challenges and Opportunities
Authors: Aggarwal Rajiv , Renzi David 
Published: October 2019

Digitalization of deepwater production facilities (floating and subsea units, risers, umbilicals, pipelines and flowlines) planning, construction, operations, and maintenance has been determined as an effective way to significantly reduce the life-cycle costs, enhance production levels, enable remote operations, improve personnel safety, and reduce environmental pollution. A digitalized production facility may require additional infrastructure (e.g., sensors) on physical facilities, computing capabilities, drones (air, underwater), communication facilities, and possibly secured access to a cloud platform with additional computing power.
The Digitalization approaches used may vary among companies involved in planning, construction, installation, maintenance, and operation of facilities. To present a comprehensive overview of pioneering initiatives in Digitalization and hold discussion, a Panel Session for OTC Brasil 2019 has been organized. The panel comprises of leaders from operating companies, engineering and construction companies, topside and subsea systems suppliers, digital platform providers, class societies, and risk assessment specialists responsible for deepwater facilities development and operations.
Tandem Gait Test-Retest Reliability Among Healthy Child and Adolescent Athletes
Authors: Howell David R. , Brilliant Anna N. , Meehan William P. 
Published: October 2019

ContextThe tandem gait test is a method for assessing dynamic postural control and part of the Sport Concussion Assessment Tool, versions 3 and 5. However, its reliability among child and adolescent athletes has yet to be established.ObjectiveTo examine the test-retest reliability of the single-task and dual-task tandem gait test among healthy child and adolescent athletes.DesignDescriptive laboratory study.SettingSports injury-prevention center.Patients or Other ParticipantsUninjured and healthy athletes between the ages of 9 and 18 years.Intervention(s)Tandem gait measures repeated 3 times across the period of approximately 1 month.Main Outcome Measure(s)Participants completed the tandem gait test under single-task and dual-task (ie, while simultaneously executing a cognitive task) conditions. Our primary outcome measure was completion time during the single-task and dual-task conditions. We also assessed cognitive accuracy and response rate while participants completed the dual-task tandem gait test.ResultsThirty-two child and adolescent athletes completed the study (mean age = 14.3 ± 2.4 years; females = 16). Single-task tandem gait times were similar across the 3 testing sessions (14.4 ± 4.8, 13.5 ± 4.2, and 13.8 ± 4.8 seconds; P = .45). Dual-task tandem gait times steadily improved across the test timeline (18.6 ± 6.9, 16.6 ± 4.5, and 15.8 ± 4.7 seconds; P = .02). Bivariate correlations indicated moderately high to high agreement from test 1 to test 2 (single-task r = .627; dual-task r = 0.655) and from test 2 to test 3 (single-task r = 0.852; dual-task r = 0.775). Both the single-task (intraclass correlation coefficient; ICC [3,1] = 0.86; 95% confidence interval [CI] = 0.73, 0.93) and dual-task (ICC [3,1] = 0.84; 95% CI = 0.69, 0.92) conditions demonstrated high reliability across testing sessions.ConclusionsTandem gait outcome measures demonstrated high test-retest reliability in both the single- and dual-task conditions. The overall reliability was within the acceptable range for clinical practice, but improvements across tests suggested a moderate practice effect. Tandem gait represents a reliable, dynamic, postural-control test that requires minimal space, cost, and time.
New water fractions and transit time distributions at Plynlimon, Wales, estimated from stable water isotopes in precipitation and streamflow
Authors: Knapp Julia L. A. , Neal Colin , Schlumpf Alessandro , Neal Margaret , Kirchner James W. 
Published: October 2019

Abstract. Long-term, high-frequency time series of passive tracers in precipitation
and streamflow are essential for quantifying catchment transport and storage
processes, but few such data sets are publicly available. Here we describe,
present, and make available to the public two extensive data sets of stable
water isotopes in streamflow and precipitation at the Plynlimon experimental
catchments in central Wales. Stable isotope data are available at 7-hourly
intervals for 17 months, and at weekly intervals for 4.25 years.
Precipitation isotope values were highly variable in both data sets, and the
high temporal resolution of the 7-hourly streamwater samples revealed rich
isotopic dynamics that were not captured by the weekly sampling. We used ensemble hydrograph separation to calculate new water fractions and
transit time distributions from both data sets. Transit time distributions
estimated by ensemble hydrograph separation were broadly consistent with
those estimated by spectral fitting methods, suggesting that they can
reliably quantify the contributions of recent precipitation to streamflow.
We found that on average, roughly 3 % of streamwater was made up of
precipitation that fell within the previous 7 h, and 13 %–15 % of
streamwater was made up of precipitation that fell within the previous week.
The contributions of recent precipitation to streamflow were highest during
large events, as illustrated by comparing new water fractions for different
discharges and precipitation rates. This dependence of new water fractions
on water fluxes was also reflected in their seasonal variations, with lower
new water fractions and more damped catchment transit time distributions in
spring and summer compared to fall and winter. We also compared new water fractions obtained from stable water isotopes
against those obtained from concentrations of chloride, a solute frequently
used as a passive tracer of catchment transport processes. After filtering
the chloride data for dry deposition effects, we found broadly similar new
water fractions using chloride and stable water isotopes, indicating that
these different tracers may yield similar inferences about catchment storage
and transport, if potentially confounding factors are eliminated. These stable isotope time series comprise some of the longest and most
detailed publicly available catchment isotope data sets. They complement
extensive solute data sets that are already publicly available for
Plynlimon, enabling a wide range of future analyses of catchment behavior.
La configuration architecturale de l’espace carcéral dans Manon Lescaut de Prévost : les enjeux d’une représentation romanesque
Authors: Taktak Salwa 
Published: October 2019

Les épisodes carcéraux rythment le roman. Manon Lescaut est prisonnière à la Salpêtrière à deux reprises ; Des Grieux à son tour fut enfermé quatre fois. Les espaces d’enfermement émaillent l’espace textuel. Ils se déclinent sur plusieurs formes architecturales ; on distingue le « chariot », la « chambre haute », ainsi que de véritables prisons incluant l’Hôpital, Saint-Lazare, le Petit-Chatelet et l’étroite prison à la Nouvelle Orléans. La matérialité des lieux d’enfermement, ses composantes (« bâtiment haut à trois étages et impénétrable », « les galeries bouchées par des portes épaisses », « la barrière », la « grande porte de la rue ») forment le cadre architectural dont Manon et Des Grieux dépendent. L’architecture est dotée de fonctions dramatiques, qui conditionnent le quotidien des personnages et les péripéties des évasions facilitées par les ruses de Des Grieux. L’architecture de l’espace carcéral met en relief la ferveur de la passion et la prouesse de l’amant, et devient symbolique de l’amour-passion.
Corporate Governance, Performance and Efficiency: Case of the Tunisian Listed Firms
Authors: KHIARI Wided 
Published: October 2019

The purpose of this article is to develop a synthetic index to evaluate the firms' practices with regard to corporate governance and this based on the stochastic frontier methodology, and stalled on the level of performance achieved by Tunisian Listed firms.The sample used makes it possible to determine the effect of the corporate governance characteristics on performance as well as the effect of the firm-specific features on the level of efficiency. The profile study of calculated efficiency indices shows that Tunisian firms in general and, especially, those belonging to the financial sector (represented mainly by banks) suffer from a problem of governance.
Clay vs. Ali: Distant Reading, Methodology, and Sport History
Authors: Townsend Stephen , Osmond Gary , Phillips Murray G. 
Published: October 2019

Abstract
Muhammad Ali’s name is one of the most significant yet understudied aspects of the great boxer’s extraordinary life. Throughout his career, journalists used Ali’s birth name (Cassius Clay) and his Islamic name (Muhammad Ali) to transmit their attitudes toward him. This study interrogates trends in newspaper usage of Ali’s two names during the 1960s and 1970s as a way to understand changing public attitudes toward him during this period. It does so via a distant reading of 37,911 digitized newspaper articles obtained from ProQuest Historical Newspapers. By quantitatively visualizing trends and patterns in the usage of the two names, this study reveals that American journalists did not embrace Ali’s chosen name until 1971. Acceptance of the name in the press was not gradual but was instead characterized by intense shifts at key points in Ali’s career. Finally, this paper addresses the value of digital history—specifically, distant reading—for sport history scholars.
Teaching Grammar to Bilingual Learners
Authors: Bezuglova Olga Andreevna , Ilyasova Liliya Galievna , Beisembayeva Zhanargul 
Published: October 2019

This article deals with an inductive way of English language teaching. This acquisition process can help bilingual students to learn, find rules and apply them to new contexts. The objective of the paper is to propose a model of teaching that promotes student-centered approach where a teacher guides learners in discovery and provides more opportunities to practice, particularly in grammar. Basis of such approach is a training environment, in which the student is not an object to whom knowledge is transferred in a ready-made form but the subject of training process therefore knowledge, abilities, skills for the student are the result of his researches, decisions and creativity. The model of teaching and student-centered activities has been explored through the action research. Based on the experiment, it can be emphasized that a progressive way of teaching grammar moves the focus away from the teacher as the information provider and enables students to focus on use. Finally, the inductive approach as more effective for achieving learning goals and outcomes, is presented in the article from the perspectives of the bilingual learners.
Evaluation of ultrasound-guided lateral thoracolumbar interfascial plane block for postoperative analgesia in lumbar spine fusion surgery: a prospective, randomized, and controlled clinical trial
Authors: Chen Ke , Wang Lizhen , Ning Meng , Dou Lianjie , Li Wei , Li Yuanhai 
Published: October 2019

ObjectiveUltrasound-guided lateral thoracolumbar interfascial plane block (US-TLIP block) is a novel regional technique for anesthesia or analgesia. However, there has been no prospective, randomized and controlled clinical trial investigating the perioperative analgesic effect of US-TLIP block on lumbar spinal fusion surgery. The aim of this study was to investigate the analgesic effect of bilateral single-shot US-TLIP in patients undergoing lumbar spinal fusion surgery.MethodsA prospective and randomized comparative clinical study was conducted. A total of 60 patients (ASA classes: I–II), aged 21–74 years who were scheduled for lumbar spinal fusion surgery were randomized and divided into the TLIP group (Group T,n = 30) and control group (Group C,n = 30). The patients in Group T received preoperative bilateral single-shot US-TLIP with 30 ml of 0.375% ropivacaine at the third lumbar spine (L3) vertebral level, and the patients in Group C received an injection of 30 ml 0.9% saline through same technique. All patients received patient-controlled analgesia (PCA) after their operation. The frequency of PCA compressions and rescue analgesic administrations were recorded. Opioids (sufentanil and remifentanil), anesthetic consumption, the number of postoperative days spent in a hospital bed, overall hospital stay time and postoperative complications were recorded. The Visual Analogue Scale (VAS) and Bruggemann Comfort Scale (BCS) scores for pain and comfort assessment were recorded at 1, 12, 24, 36, and 48 hours postoperatively.ResultsOpioids and anesthetic consumption in the perioperative period decreased significantly in the TLIP group compared to the control group (P < 0.05). The VAS and BCS scores in the TLIP group were lower at 12, 24, and 36 hours postoperatively (P < 0.05). US-TLIP block has been shown to shorten postoperative hospital stays (P < 0.05). There was no significant difference in postoperative complications between the two groups.ConclusionOur study findings show that bilateral US-TLIP block exhibits significant analgesia and safety in patients undergoing lumbar spinal fusion surgery.
The Use of GIS and Google Earth Images for Mapping of Taraba State University Campus
Authors: A. Garba Hajara , N. Ojeh Vincent , Elijah Elizabeth , E. Ayeni Bishop 
Published: October 2019

A Campus guide map for Taraba State University Jalingo was produced. The data source for the study includes satellite images of the study area and field survey using a GPS device to collect coordinates of major ground control points. This research incorporated the use of geospatial techniques and functionalities such as georeferencing, digitizing and geo-database creation to generate a campus guide map. The findings of this study reviewed that most of the structures and roads are not adequately labeled or named for easy navigation. The study also showed that development is confined mostly to the North Western and southwestern part of the campus. We recommend structural planning and spatial development within the campus land cover in the future.
Relation of Some Hydrochemicals with Hydrogen Sulphide Levels in Sediments of Lake Burullus, Egypt
Authors: Tayel Fathy T. , Radwan Abd El-Aziz M. , Morsy Amal M. , El-Halim Ahmed M. Abd , Al-Prol Ahmed E. , El-Alfy Muhammad A. , Basiony Afifi I. 
Published: October 2019

Lake Burullus, as one of the northern deltaic lakes in Egypt, is an important economic, recreational and Fish breeding reservoir. The study used nine georeferenced stations to assess hydrogen sulphide (H2S) levels, its relationship with some selected hydrochemical parameters, and the implication on this lake’s biota.
The study reveals that areas mostly affected by drainage water with high load of organic matter, aid to the production of H2S into sediments and dispersion to water. The results indicate that H2S levels in lake sediments increase with increasing water temperature, biological oxygen demand (BOD) and load of organic matter (OM) in water. On the other hand, clear water areas with high oxygen levels aid in reducing levels of H2S in sediments as proved from correlation analysis. The positive correlation between variables as OM and BOD with H2S was observed using the distribution maps. The amount of different wastes, particularly in large quantities, increase the level of H2S, and therefore affected biota so it is highly recommended to treat wastewater to conserve the biodiversity of this lake.
Knowledge on the Environmental Disaster Occurrence in the Democratic Republic of the Congo: The Case of Flooding and Bushfire in Businga Territory, Nord Ubangi
Authors: Ngbolua Koto-te-Nyiwa , Gamo André Nzamonga , Gbatea Amédée Kundana , Limbaya Trésor Mbombo , Mwinja Adèle Chimanuka , Ngiala Gédéon Bongo , Ashande Colette Masengo , Djolu Ruphin Djoza 
Published: October 2019

Aims: The aim of this research was to assess the knowledge, perceptions and attitudes of victims and stakeholders on environmental disasters occurring in Businga territory.
Study Design: This research employed a descriptive study design whereby the characteristics of respondents were described.
Place and Duration of Study: The study was carried out in Bodangabo, Businga and Karawa sectors of Businga territory in Nord-Ubangi, Democratic Republic of the Congo between January 2016 and December 2017.
Methodology: A survey was conducted on 150 respondents among the victims and stakeholders in the prevention and management of environmental disasters in three sectors of Businga territory to whom the semi-structured questionnaire was administered.
Results: The findings show that 54% of environmental disasters originate from bushfire and 46% from floods. The bushfire is more evident in the area of Bodangabo and Karawa, while the flood is noticed in the area of Businga precisely in the city, because the ¾ is largely crossed by streams (Likpolo, Lokame, Legbala, Mongala). Thus, 80% of disaster victims are not satisfied with the support. However, 96% of respondents denied the provincial government's contribution, 92% confirmed the total absence of the environmental disaster prevention policy, and 88% confirmed the inefficiency of disaster prevention mode in Businga territory. With regard to the period of onset of disasters, it is clear from this survey that the floods are sporadic and occurring every two or three years compared to the bushfire which is manifested every year. 68% of the difficulties are due to lack of awareness due to insufficient financial resources and 32% to the shortage of qualified personnel for the prevention and management of these disasters.
Conclusion: The lack of a policy of prevention and management of environmental disasters both at the provincial and local levels is at the base of this high frequency. Therefore, it is relevant that a provincial body responsible for alerting and advocating to the stakeholders involved in the prevention and management of environmental disasters, to settle in all Businga sectors. Furthermore, it is necessary to install the early warning system as tool of disaster prevention.
Evaluation of the Perception and Control Measures towards Environmental Risk in Obio Akpor Local Government Area of Rivers State
Authors: Tammy Cookey A. , Bodo Tombari , Owunari Perri T. 
Published: October 2019

Aims: To evaluate the perception and control measures towards environmental risk in Obio Akpor Local government area (LGA) of Rivers State.
Place and Duration of Study: The study was carried out at the Rivers State Waste Management Agency in Obio-Akpor LGA of Rivers State between January 2019 - March 2019.
Methodology: The survey method was employed and the simple random techniques was adopted whilst 265 copies of the questionnaire were used to elicit information from the number of employee.
Results: The findings revealed that that majority of the respondents under survey had a good knowledge of occupational health risk and are fully aware of the environmental health risk associated with waste dumping, As a Possible control measures it was revealed that the majority had the opinion that the provision of safety and health structure is the best preventive measures so as to eliminate health hazard among solid waste workers.
Conclusion: RIWAMA should establish sanitary facilities where workers can wash after work to ensure effective personal hygiene is maintained and also provide them with Personal protective equipment.
Effect of Different Anti-Coagulants on the Accuracy of Glycated Haemoglobin Results
Authors: Allison Frederick Igila , Stephen Duru Ugochukwu 
Published: October 2019

Background: Most manufacturers of glycated haemoglobin kits advocate for the use of EDTA bottles for sample collection. Other manufacturers even when using the same glycated haemoglobin assay method, advocate for the use of any of these anticoagulant: EDTA, heparin and fluoride oxalate as any of these anticoagulants for sample collection.
Aim: This study was therefore designed to evaluate the effect of different anticoagulants on the accuracy of glycated haemoglobin value using the same method.
Methods: Thirty subjects were selected by purposive sampling method and 2ml of blood was collected from each subject into sodium heparin, EDTA and fluoride oxalate bottles and stored for three days at 4ºC. Fifteen subjects’ samples were analysed daily for the next two days then all the samples were analysed on the third day. All samples were analysed using the boronate affinity chromatographic method by Clover.
Results: The mean of the values of glycated haemoglobin of samples for each anticoagulants were about the same for the first, second and third day. The differences in the mean values for each anticoagulant were not statistically significant, indicating fairly good stability.
Conclusion: From this study, it could be concluded that blood sample in EDTA, fluoride oxalate and heparin bottles can be used for glycated haemoglobin estimation without affecting the accuracy of the result. These samples in these containers were found to be stable for at least three days.