bluuebunny/crossref_metadata_2025_split huggingface dataset:
CONCRETE CANOE: A COMPLEX CONCRETE TECHNOLOGY
Authors: Leczovics Péter , Sugár Viktória 
Published: January 2014

Abstract
The Concrete Canoe Competition has been organized second time in Hungary in 2013. The main point of the competition is to design and create a floating concrete object with specified dimensions, which does not contain statically rigid frame. A speed-trial is also part of the contest. The team of Szent István University, Ybl Miklós Faculty of Architecture and Civil Engineering attended both the first (2012) and the second (2013) competition. In both years the main part of designing and creation of the canoe was under the direction of employees of Building Materials division of the Insitute. Building a concrete canoe proved to be a complex challenge. Knowledge of different engineering fields was required to solve the task - questions about material properties, hydrodynamics, statics, technologies were needed to be solved.
Present paper introduces the authors’ experience, investigations, and means of realization of the concrete canoe.
The palaeogeographical background of Late Devonian storm events in the western part of the Holy Cross Mountains (Poland)
Authors: Vierek Aleksandra 
Published: January 2014

Abstract
Late Devonian coarse-grained carbonate deposits in the Holy Cross Mountains were studied for possible storm depositional systems and catastrophic tsunami events, as it must be assumed that the investigated area was strongly affected by tropical hurricanes generated in the open ocean North of Gondwana. This assumption appears consistent with diagnostic features of carbonate tempestites at several places in the Holy Cross Mountains. Sedimentary structures and textures that indicate so are, among other evidence, erosional bases with sole marks, graded units, intra- and bioclasts, different laminations and burrowing at the tops of tempestite layers.
It has been suggested before that a tsunami occurred during the Late Devonian, but the Laurussian shelf had an extensional regime at the time, which excludes intensive seismic activity. The shelf environment also excluded the generation of tsunami waves because the depth was too shallow. Additionally, the Holy Cross Mountains region was surrounded in the Devonian by shallow-marine and stable elevated areas: the Nida Platform, the Opatkowice Platform and the Cracow Platform to the South, and the elevated Lublin-Lviv area to the NE. Thus, tsunami energy should have been absorbed by these regions if tsunamites would have occurred.
SOLID BIOMASS CONSUMPTION IN HOUSEHOLDS AND GREENHOUSE GAS EMISSION REDUCTION IN LATVIA / CIETĀS BIOMASAS PATĒRIŅŠ UN SILTUMNĪCEFEKTA GĀZU EMISIJU SAMAZINĀŠANAS PERSPEKTĪVA LATVIJAS MĀJSAIMNIECĪBĀS
Authors: Kudrenickis I. , Klavs G. 
Published: January 2014

Abstract
Utilisation of biomass is an important factor in reducing emission of greenhouse gases (GHG); at the same time, high efficiency of biomass combustion technologies is to be ensured to minimise the methane (CH4) emission thus achieving the most efficient reduction in the total GHG emission. The authors analyse the GHG emission breakdown in Latvia among the sectors not included in the EU Emissions Trading Scheme (ETS), and, in the context of emission reduction, evaluate the energy supply in the Latvian household sector, the types of combustion technologies and the used fuels. The trend is considered for the CH4 emission factor during 1990-2010 in the household sector of EU countries, and the numerical index is calculated which illustrates decoupling the consumption of biomass fuel from CH4 emission. To evaluate the perspective of CH4 emission reduction in the Latvian household sector, two scenarios are investigated for efficiency improvement as related to the central heating equipment based on wood fuel.
AGRICULTURE OF THE CZECH REPUBLIC IN THE 21ST CENTURY: FROM PRODUCTIVISM TO POST-PRODUCTIVISM
Authors: Věžník Antonín , Král Michael , Svobodová Hana 
Published: January 2014

Abstract
During last two decades Czech agriculture has gone through significant changes: the transition of agriculture in the 1990s and the entrance of the Czech Republic into the EU and its commitment to the Common Agricultural Policy (CAP). Both of these changes contributed to the structural and regional differentiation of Czech agriculture and exposed it to competition with the whole of Europe. Furthermore, CAP exposed Czech agriculture to uneven conditions for farmers within the EU. The most significant results of these changes have been a decrease in the agricultural sector output, a reduction in farm animals bred, and shrinkage of arable land. On the other hand, many non-productive and non-agricultural activities in the rural areas are subsidised, which offers farmers new possibilities of development. The aim of this paper is to analyse the structural and spatial change in Czech agriculture between 2000 and 2010 on the basis of Agrocenzus data supplemented by opinions of farmers gained in a series of interviews.
METHODS EMPLOYED IN RESEARCH ON THE SPATIAL STRUCTURE OF AGRICULTURE
Authors: Kołodziejczak Anna 
Published: January 2014

Abstract
The research conducted in the field of agricultural geography concerns both, the conditions and factors controlling the spatial structure of rural areas. It includes several lines of study, like an assessment of the natural environment for agricultural purposes, designing land-use maps, examining agricultural suburban zones, model approaches to agriculture, the spatial structure of agriculture, methods of the typology and regionalisation of agriculture, or multi- functionality of agriculture. They make use of a great variety of methods. This article presents methods employed in research on the spatial structure of agriculture. It defines the notion of a spatial structure, the consequences that follow from it, and methodological assumptions. The methods discussed embrace statistical methods of studying the spatial structure of agriculture, those used to determine elements predominating in this structure and to describe its heterogeneity, as well as mathematical and spatial-econometric models.
Almanac 2013: acute coronary syndromes
Authors: Meier Pascal , Lansky Alexandra J. , Baumbach Andreas 
Published: January 2014

Summary
Unstable coronary artery plaque is the most common underlying cause of acute coronary syndromes (ACS) and can manifest as unstable angina, non-ST segment elevation infarction (NSTE-ACS), and ST elevation myocardial infarction (STEMI), but can also manifest as sudden cardiac arrest due to ischaemia induced tachyarrhythmias. ACS mortality has decreased significantly over the last few years, especially from the more extreme manifestations of ACS, STEMI, and cardiac arrest. This trend is likely to continue based on recent therapeutic progress which includes novel antiplatelet agents such as prasugrel, ticagrelor and cangrelor.
Almanac 2013: cardiac arrhythmias and pacing
Authors: Liew Reginald 
Published: January 2014

Summary
Important advances have been made in the past few years in the fields of clinical cardiac electrophysiology and pacing. Researchers and clinicians have a greater understanding of the pathophysiological mechanisms underlying atrial fibrillation (AF), which has transpired into improved methods of detection, risk stratification, and treatments. The introduction of novel oral anticoagulants has provided clinicians with alternative options in managing patients with AF at moderate to high thromboembolic risk and further data has been emerging on the use of catheter ablation for the treatment of symptomatic AF. Another area of intense research in the field of cardiac arrhythmias and pacing is in the use of cardiac resynchronisation therapy (CRT) for the treatment of patients with heart failure. Following the publication of major landmark randomised controlled trials reporting that CRT confers a survival advantage in patients with severe heart failure and improves symptoms, many subsequent studies have been performed to further refine the selection of patients for CRT and determine the clinical characteristics associated with a favourable response. The field of sudden cardiac death and implantable cardioverter defibrillators also continues to be actively researched, with important new epidemiological and clinical data emerging on improved methods for patient selection, risk stratification, and management. This review covers the major recent advances in these areas related to cardiac arrhythmias and pacing.
Quality of 3D Models Generated by SFM Technology
Authors: Marčiš Marián 
Published: January 2014

Abstract Using various types of automation in digital photogrammetry is associated with questions such as the accuracy of a 3D model generated on various types of surfaces and textures, the financial costs of the equipment needed, and also the time costs of the processing. This topic deals with the actual technology of computer vision, which allows the automated exterior orientation of images, camera calibration, and the generation of 3D models directly from images of the object itself, based on the automatic detection of significant points. Detailed testing is done using the Agisoft PhotoScan system, and the camera configuration is solved with respect to the accuracy of the 3D model generated and the time consumption of the calculations for the different types of textures and the different settings for the processing.
An Adaptive Displacement Detection Algorithm
Authors: Bezručka Juraj 
Published: January 2014

Abstract During permanent GNSS observations a displacement of the network’s station may occur. Not all changes are significant enough to raise an alarm. However, the critical value of the station’s position change may vary significantly for various reasons, such as the antenna model, receiver or observation interval. The coordinates gained by GNSS methods are also usually characterized by a higher degree of precision of the horizontal components than those of the vertical ones. It is virtually impossible to set a single critical value for each component of each station of the network; therefore, an automatic algorithm evaluating the estimates should be used. The paper suggests an adaptive algorithm using a combination of the Kalman filter and a modified moving average technique to reveal sudden changes in a GNSS station’s position, while allowing it to adapt to long-term changes.
The psychological process from avoidance to acceptance in adults with acquired hearing impairment
Authors: Wänström Gunilla , Öberg Marie , Rydberg Emelie , Lunner Thomas , Laplante-Lévesque Ariane , Andersson Gerhard 
Published: January 2014

Objective:
This study explored the psychological process from avoidance to acceptance in adults with acquired hearing impairment.

Study design:
A descriptive qualitative interview study was conducted in Sweden in 2010. Participants were 18 adults with an acquired sensorineural hearing impairment aged 50–70 years, who had recently obtained hearing aids at the Audiology Clinic of the Örebro University Hospital. The sample included both first-time hearing aid users (n = 10) and experienced hearing aid users (n = 8). Each participant took part in one semi-structured interview. Qualitative content analysis was performed on the manifest content of the interview transcripts.

Results:
Participants described the process from avoidance to acceptance as a slow and gradual process rooted in the awareness of the frequency and severity of hearing disability and of its psychological consequences. Facilitators included adaptive coping mechanisms, other people's comments and positive experiences, accessibility of help-seeking and routine health assessments. In contrast, barriers included maladaptive coping mechanisms and stigma.

Conclusions:
Participants described the process of acceptance as a personal process that involved, to some extent, their social network of family, friends and colleagues. It was also a trade-off between the consequences of untreated hearing impairment and the threat to normal identity that, through stigma, hearing impairment carries. Further studies are needed to fully investigate the role of access to information on hearing impairment acceptance. How professionals and society can facilitate the process of acceptance should also be a focus of future research efforts.
Cortical organization and variability in unilateral auditory neuropathy spectrum disorder
Authors: Nash-Kille Amy , Gilley Phillip , Sharma Anu 
Published: January 2014

Objective:
We examined 1) auditory cortical organization and functioning, and 2) variability in cortical responses in a paediatric patient with unilateral auditory neuropathy spectrum disorder (ANSD).

Study design:
Measures of high-density EEG (including cortical auditory evoked potentials (CAEPs)), dipole and current-density analyses, independent component analyses-stacked trials (ICA), inter-trial coherence, and the patient's performance on measures of speech perception were compared for the ear with normal hearing (NH) and the ear with ANSD.

Results:
Differences were observed between the NH ear and the ear with ANSD for all test measures.

Conclusions:
Our results suggest that for some patients, 1) congenital ANSD may result in abnormal auditory cortical organization, and 2) neural dys-synchrony in the central auditory system, which characterizes ANSD, may result in a high degree of variability in cortical responses. In this study, cortical auditory activation in ANSD was examined using high-density EEG. Our study also demonstrates use of single-trial and time- frequency EEG analyses in evaluating the effect of neural dys-synchrony on cortical variability in patients with ANSD.
Ice thickness over the southern limit of the Amery Ice Shelf, East Antarctica, and reassessment of the mass balance of the central portion of the Lambert Glacier-Amery Ice Shelf system
Authors: Wen Jiahong , Huang Long , Wang Weili , Jacka T.H. , Damm V. , Liu Yan 
Published: January 2014

AbstractWe combine radio-echo sounding ice thickness data from the BEDMAP Project database and the PCMEGA (Prince Charles Mountains Expedition of Germany and Australia) dataset to generate a new ice thickness grid for the southern limit region of the Amery Ice Shelf, East Antarctica. We then reassess the mass balance of the central portion of the Lambert-Amery system, incorporating flow information derived from synthetic aperture radar interferometry (InSAR) and a modeled surface mass-balance dataset based on regional atmospheric modeling. Our analysis reveals that Mellor and Fisher Glaciers are approximately in balance to the level of our measurement uncertainty, while Lambert Glacier has a positive imbalance of 4.2 ±2.3 Gta1. The mass budget for the whole Lambert Glacier basin is approximately in balance, and the average basal melt rate in the downstream section of the ice shelf is 5.1 ± 3.0 m a-1. Our results differ substantially from other recent estimates using hydrostatically derived ice thickness data.
The evolution of Fedchenko glacier in the Pamir, Tajikistan, during the past eight decades
Authors: Lambrecht Astrid , Mayer Christoph , Aizen Vladimir , Floricioiu Dana , Surazakov Arzhan 
Published: January 2014

AbstractFedchenko glacier is by far the largest glacier in the Pamir, Tajikistan. Owing to early accurate mapping of the glacier it is possible to evaluate glacier changes over eight decades, which is an exceptionally long time period for this remote mountain region. During this time a total volume loss of 5 km3 was observed on the main trunk of the glacier, while the total area changed by only 1.4%. It is observed that the volume loss migrates from the lower parts of the glacier towards the upper ablation zone. The comparatively small change in area is a result of the supraglacial debris cover on the glacier tongue, which decouples the area loss from the volume loss to a considerable degree. The observed velocities of the glacier do not reflect the volume changes up to now because the interannual variability is larger than possible long-term changes so far. The intra-annual velocity distribution in the central ablation zone probably reflects the evolution of the basal drainage system. Based on ice thickness measurements and simple ice-dynamic assumptions, the total volume of Fedchenko glacier is 123.4 ± 8 km3.
Firn air depletion as a precursor of Antarctic ice-shelf collapse
Authors: Kuipers Munneke Peter , Ligtenberg Stefan R.M. , Van Den Broeke Michiel R. , Vaughan David G. 
Published: January 2014

AbstractSince the 1970s, the sudden, rapid collapse of 20% of ice shelves on the Antarctic Peninsula has led to large-scale thinning and acceleration of its tributary glaciers. The leading hypothesis for the collapse of most of these ice shelves is the process of hydrofracturing, whereby a water-filled crevasse is opened by the hydrostatic pressure acting at the crevasse tip. This process has been linked to observed atmospheric warming through the increased supply of meltwater. Importantly, the low-density firn layer near the ice-shelf surface, providing a porous medium in which meltwater can percolate and refreeze, has to be filled in with refrozen meltwater first, before hydrofracturing can occur at all. Here we build upon this notion of firn air depletion as a precursor of ice-shelf collapse, by using a firn model to show that pore space was depleted in the firn layer on former ice shelves, which enabled their collapse due to hydrofracturing. Two climate scenario runs with the same model indicate that during the 21st century most Antarctic Peninsula ice shelves, and some minor ice shelves elsewhere, are more likely to become susceptible to collapse following firn air depletion. If warming continues into the 22nd century, similar depletion will become widespread on ice shelves around East Antarctica. Our model further suggests that a projected increase in snowfall will protect the Ross and Filchner–Ronne Ice Shelves from hydrofracturing in the coming two centuries.
Espace du marché et mode de domination
Authors: Garcia Marie-France 
Published: January 2014

The Marketplace and Form of Domination -
The ethnographical analysis of the Serro-Azul marketplace, located in the middle of a big sugar plantation in the Nordeste, Brazil, casts doubt on the widely accepted idea that market relationships rime with freedom and open doors toward the world. Following a description of its historical, social and institutional context, the market is shown to be a way of restoring the senhors traditional domination over the morador. The concentration of land-holdings and the appearance of new actors in the local context threatens this form of domination.
Quelques éléments de compréhension psycho-dynamique sur les dispositifs Maison de l'adolescent (MDA)
Authors: Labrune Laurent 
Published: January 2014

L’objet de cet article est de proposer quelques éléments de compréhension psycho-dynamique concernant les dispositifs Maison de l’adolescent (MDA). Ces dispositifs sont issus de projets récents, à la dynamique nouvelle, et « en construction » selon des modèles et des organisations multiples. Sont abordés la dynamique induite par un tel projet en évolution et en transformation (la construction de soi et la problématique de l’idéalisation concernée), la similarité induite entre dispositif en développement et processus d’adolescence, celles de l’organisation et de la pulsionnalité, les investissements objectaux et le multiple, la dimension identitaire, enfin le rôle du regard porté sur les dispositifs en création.
Qualitative and quantitative assessment of relationship between mandibular third molar and angle fracture on North Indian population: A clinico-radiographic study
Authors: Yadav Suresh , Tyagi Shallu , Puri Naveen , Kumar Prince , Kumar Puneet 
Published: January 2014

ABSTRACTObjective: To assess the relationship between impacted mandibular third molar presence and the risk for mandibular angle fracture with the effect of various positions of mandibular third molar and the risk of mandibular angle fracture. Materials and Methods: In the North Indian territory, a total of 289 patients with mandibular angle fractures were studied and evaluated for the possible relationship with impacted third molar on the basis of clinical and panoramic radiographical findings. Results: Results that confirmed the highest risk for mandibular angle fracture was associated with mesioangular angulations (45.42%) followed by vertical (26.34%), distoangular in sequence and least risk was found with bucco-version angulations (2.67%) according to Winter′s classification. Additionally, the highest risk of mandibular angle fracture was reported with partially erupted third molar (47.75%), followed by erupted (23.53%) and unerupted third molar (19.38%). Conclusion: The risk for mandibular angle fracture is not only affected by status of eruption, angulations, position, number of roots present in third molar but also by the distance of mandibular third molar from inferior border of mandible and the percentage of remaining amount of bone at the mandibular angle region.
Vascular Histomolecular Analysis by Sequential Endoarterial Biopsy in a Shunt Model of Pulmonary Hypertension
Authors: Rothman Abraham , Davidson Stephanie , Wiencek Robert G. , Evans William N. , Restrepo Humberto , Sarukhanov Valeri , Ruoslahti Erkki , Williams Roy , Mann David 
Published: January 2014

The molecular mechanisms of pulmonary arterial hypertension (PAH) remain ill‐defined. The aims of this study were to obtain sequential endoarterial biopsy samples in a surgical porcine model of PAH and assess changes in histology and mRNA expression during the disease progression. Differentially expressed genes were then analyzed as potential pharmacological targets. Four Yucatan micro‐pigs underwent surgical anastomosis of the left pulmonary artery to the descending aorta. Endovascular samples were obtained with a biopsy catheter at baseline (before surgery) and from the left lung 7, 60, and 180 days after surgery. RNA was isolated from biopsy samples, amplified and analyzed. Dysregulated genes were linked to drugs with potential to treat or prevent PAH. With the development of PAH in our model, we identified changes in histology and in the expression of several genes with known or investigational inhibitors and several novel genes for PAH. Gene dysregulation displayed time‐related variations during disease progression. Endoarterial biopsy provides a new method of assessing pulmonary vascular histology and gene expression in PAH. This analysis could identify novel applications for existing and new PAH drugs. The detection of stage‐ and disease‐specific variation in gene expression could lead to individualized therapies.