bluuebunny/crossref_metadata_2025_split huggingface dataset:
Comparison of Back Handspring Technique Performed by Advanced Artistic Gymnasts – A Case Study
Authors: Omorczyk Jarosław , Nosiadek Leszek , Staszkiewicz Robert , Bujas Przemysław , Puszczałowska-Lizis Ewa 
Published: July 2017

Abstract
Introduction. The aim of this case study was to compare selected kinematic parameters that characterise the back handspring technique performed by advanced artistic gymnasts. Material and methods. Three elite gymnasts with varied training experience were examined in the study. The athletes performed back handsprings video-recorded at a frequency of 120 Hz. The values of selected kinematic parameters were determined using SkillSpector v.1.3.2 computer software. Results. The most substantial differences between athletes were found in the values of the horizontal velocity of the centre of mass (CoM) at the end of the back handspring. The athlete with the longest training experience achieved values which were three times higher (1.04 m/s) than those obtained by the other two athletes with shorter experience (Gymnast 2: 0.36 m/s; Gymnast 3: 0.37 m/s). The horizontal CoM velocity at the end of the back handspring declined for all the gymnasts, with the smallest decrease observed for the athlete with the longest training experience (two-fold decrease from 1.95 to 1.04 m/s) and the biggest one found for the athlete with the shortest training experience (six-fold decrease from 2.18 to 0.37 m/s). The vertical CoM velocity increased in all the athletes in the consecutive phases of the back handspring; this increase was the biggest for the athlete with the longest training experience (five-fold increase from 0.71 to 3.42 m/s) and the lowest for the athlete with the shortest training experience (three-fold increase from 1.08 to 3.24 m/s). Conclusions. The results obtained in this study demonstrated both similarities and substantial differences in the technique of performing the back handspring in artistic gymnasts with many years of training experience. In most cases, the directions of linear CoM velocities and angular velocities were similar in the joints analysed. Very similar values of angular positions were also obtained. Furthermore, the values which turned out to be the most varied were those recorded for angular velocity.
Application of Electric Capacity Measurements to Detecting Delamination in Blades of Helicopter’s Lifting and Auxiliary Rotors
Authors: Gębura Andrzej 
Published: July 2017

AbstractThis paper represents a series of the authors’ publications concerning effects of atmospheric conditions on aircraft [5-6, 11]. Hazards connected with separation ( delamination ) of heating elements from blade’s spar , namely: increased susceptibility to ice formation as a result of change in aerodynamic profile, decreased deicing effectiveness, shortened life of heating elements , weakened strength of blade’s structure, are described. In order to monitor the above mentioned delamination process during its early phase, these authors proposed to measure systematically electric capacity between the heating element and blade’s spar by means of a technical method. The electric capacity measurements performed by these authors on blades both in laboratory and service conditions demonstrated their practical usefulness for assessing delamination extent as well as for identifying areas where heating element separation from spar occurred. The method in question is simple , cheap , fast and non-interferring (non-destructive) as well as it does not require dismounting the blades off the helicopter. As proved in practice , it is especially useful in sea-rescue or military operational conditions. Special attention was paid to application of the method to composite blades where coming-off the heating element tape causes local overheating the blade structure , that impairs flexibility of composite’s layers and may lead even to local cracks which may trigger helicopter crash. These authors desire to apply the method as a standard unit of on-board diagnostic system in the future.
Failure of Magnetic Fluid Seals Operating in Water: Preliminary Conclusions
Authors: Matuszewski Leszek 
Published: July 2017

Abstract
The article analyses properties of magnetic fluid seals installed in rotary sealing nodes which operate in the utility water environment. Seals of this type have been examined as a possible solution to the problem with ship manoeuvring propulsion sealing. The present analysis bases on laboratory durability tests of magnetic fluid seals exposed to longterm utility water loads, at different water pressures and shaft revolutions. The basic seal durability criterion was the number of revolutions made by the sealing node shaft until the appearance of water tightness loss (leakage). It was found that the main factor leading to the wear of the seal is the relative speed of the magnetic fluid with respect to that of the utility water, and this process is heavily affected by the pressure acting on the seal. The reported test results are presented in the form of diagrams showing the seal durability (time until water tightness loss) as a function of rotational speed. The curves shown in the diagrams are regular, with two different rotational speed ranges: the highspeed range, when the tightness loss is relatively fast, and the low-speed range, with a clear tendency to prolong the seal lifetime. These diagrams were given the name of durability curves of the MF seal operating in water. The results of the performed tests suggest formal similarity between the experimental data distribution concerning tightness loss processes occurring in magnetic fluid seals operating in water environment and metal fatigue processes. The article proposes a preliminary simplified durability model to describe the examined phenomenon.
Comparison of GATA-3, mammaglobin, GCDFP-15 expression in breast carcinoma in serous effusions: A cell-block micro-array study
Authors: El Hag Mohamed I. , Hag Amani M. , Ha Jennifer P. , Michael Claire W. 
Published: July 2017

AbstractBackgroundGATA-3 is a potential marker for detection of metastatic breast carcinoma, reportedly more sensitive than mammaglobin (MAM) and GCDFP-15. We aim to compare the sensitivity of GATA-3, MAM and GCDFP-15 in determining the breast origin of malignant effusions.MethodsCell blocks from 27 cases of serous effusions positive for metastatic breast cancer were retrieved. Immunohistochemistry for GATA-3, MAM, gross cystic disease fluid protein 15 (GCDFP-15), estrogen receptor (ER) and progesterone receptor (PR) was performed on cell-block micro-array. Statistical analysis using two ways Chi square, one-way ANOVA and multiple regression was performed.ResultsThe detection rate of breast cancer in serous fluid was significantly higher with GATA-3 (88.8 %, X2=15.9, p=0.00034) than with MAM (51.8 %) and GCDFP-15 (37.0 %). All ER positive cases (19) were GATA-3 positive. Conversely, all GATA-3 negative cases (3) were ER negative. The intensity of stain and percentage of positive cells were significantly higher with GATA-3 (p<0.0001) than with MAM and GCDFP-15. The intensity and percentage of positive cells score of GATA-3 were statistically associated with ER stain intensity and percentage of positive cell scores.ConclusionsGATA3 is a sensitive marker, superior to MAM and GCDFP-15 in determining the breast origin of metastatic adenocarcinoma. It is also strongly associated with ER expression.
Aspects Regarding the Energy Security in the Middle East
Authors: Cîrdei Ionuţ Alin 
Published: July 2017

Abstract
Ensuring energy security is a concern for all the world’s countries. For a long time, the issue of energy security has been looked at from the point of view of ensuring the energy resources necessary for the functioning of the economy and society and, implicitly, from the perspective of reducing dependence on imported energy resources. In reality, however, energy security must also be addressed from the perspective of states with energy resources, as their security can be jeopardized by disturbances that may occur during the operation or transport process or due to lower prices. Middle East countries, rich in energy resources, are currently vulnerable due to global oil price declines and instability and conflict in the region. This vulnerability may affect the supply of energyconsuming states and their energy security in the medium and long term, and not only.
Competence-Centred Education of Officers Thoughts About a Recent Research of Competencies in Military Aviation Maintenance
Authors: Szegedi Péter , Tóth József , Turcsányi Károly 
Published: July 2017

Abstract
Highly trained professionals are an addition to the 21st century military organizations that means an utmost challenge for our education systems. The amount, variety and quality of all sorts of profes-sionalisms required by today’s warfare technologies are the crucial requirements to match for today’s and tomorrow’s military recruiters and educators. This article is a try to disseminate some ideas and thoughts concerning the development and improvement of the present educational portfolio by a more proper understanding of the wants and needs of the military workplace through the example of the research and analysis of aircraft maintenance officers and their professional competencies.
Methodological Design of Action for Military Students, in View of Facilitating the Physical Training Objectives
Authors: Martinescu-Bădălan Fabiana 
Published: July 2017

Abstract
For us, didactic design is a process that provides the contents, objectives, methods and means of training of military students for their assessment. As in any training, we were forced to think about their needs in order to be able to work out the work schedules. In order to obtain high results in the activity of subjects we need objectives of general and specific physical training as well as psychomotric training.
Simulation Tools in the Armed Forces Interfaced by the Operational Design
Authors: Žentek Miroslav , Grega Matúš 
Published: July 2017

Abstract
The operational design and its practical application are directly influenced by the training, experiences of the individual command levels and as well they are determined by the economic development of the country. Its quality implementation in the practice is directly addicted upon operational art, which is the real output of the cognitive approach by commanders and staff, by air traffic control instructors and inspectors. And that's what it is sustained by their experience, cognition and as well as verdict - to propose strategies and operations to set up and utilize armed forces. The usage of the simulation tool and synthetic environment is the core part to reach the aim of the high level of the efficiency and at the same time to reach the required level in the flight region safety.
Using of Multicriteria Method for Choosing the Best Alternative of the Heating Power Plant
Authors: Zeleňáková Martina , Harbuľáková Vlasta Ondrejka , Olejník Adrián 
Published: July 2017

Abstract
The paper presents construction of heating system in Trebišov town in alternative solution and its environmental impact assessment (EIA). Choosing the best alternative consider zero variant (if no activity is done - present state of the environment) and another two alternatives assessment using the method of the total indicator of environmental quality. Nine selected criteria were divided into four groups according to their character - economic, technical, ecological and social. Based on evaluation of the construction of biomass-fired power plant seems to be the best solution of heating system for Trebišov town.
Basic Physical – Mechanical Properties of Geopolymers Depending on the Content of Ground Fly Ash and Fines of Sludge
Authors: Sičáková Alena , Števulová Nadežda 
Published: July 2017

Abstract
The binding potential of fly ash (FA) as a typical basic component of building mixtures can be improved in mechanical way, which unfolds new possibilities of its utilization. This paper presents the possibilities of preparing the geopolymer mixtures based on ground (dm = 31.0 μm) FA, used in varying percentages to the original (unground; dm = 74.1 μm) one. As a modification, fine-grain sludge from the process of washing the crushed aggregates was used as filler in order to obtain mortar-type material. The basic physical-mechanical properties of mixtures are presented and discussed in the paper, focusing on time dependence. The following standard tests were executed after 2, 7, 28, and 120 days: density, total water absorption, flexural strength, and compressive strength. Ground FA provided for positive effect in all tested parameters, while incorporation of fine portion of sludge into the geopolymer mixture does not offer a significant technical profit. On the other hand, it does not cause the decline in the properties, so the environmental effect (reduction of environmental burden) can be applied through its incorporation into the geopolymer mixtures.
Sovereignty, Property and Empire: Early Modern English Contexts
Authors: Koskenniemi Martti 
Published: July 2017

AbstractThis Article is based on a larger work that seeks to map the uses of different legal vocabularies by ambitious European legal and political thinkers in the period of c.1300-1800 in order to defend, explain and organize the exercise of power outside the domestic commonwealth. The Article examines the ways in which English legal languages (civil law, common law, natural law, jus gentium) were used to think about, propagate and defend English transatlantic expansion. For most of that time, in their relations public and private power remained closely interwoven. The pluralism of English law also contributed to the appearance of arguments from property and sovereignty in different configurations so that it is often hard to figure out which precise connotation is being made. The uses also varied significantly from Continental practices. I am above all interested in the imperial or colonial significance of these arguments. The point that emerges here is that by 1800, a conception of British Empire had arisen where the exercise of sovereign power was clearly derivative from and supplementary to claims about private property.
Property and Sovereignty, Information and Audience
Authors: Merrill Thomas W. 
Published: July 2017

AbstractMorris Cohen’s classic essay, Property and Sovereignty, correctly discerned that political sovereignty and private property are alternative forms of government. Where it failed was in suggesting that the choice between these modes of governance is a matter of dialing one up and the other down. The relationship between political sovereignty and property is complex, and varies depending on the audience of property we have in view. With respect to some audiences — strangers and transactors — those who favor a strong system of property will want to enlist a generous measure of assistance from the political sovereign. With respect to other audiences — neighbors and sharers — those who want a robust property system are more likely to want the powers of the political sovereign to be held in check. Cohen was thus right that the political order and private property are both forms of power over people. But the exact mix of these two regimes is anything but simple or unidimensional.
Sovereignty, the Corporate Religious, and Jurisdictional/Political Pluralism
Authors: Cohen Jean L. 
Published: July 2017

AbstractWe typically associate sovereignty with the modern state and presuppose the coincidence of political rule, public power, government, legitimacy and jurisdiction with territorially delimited states. We are also used to referencing liberal principles of justice, egalitarian ideals of fairness, republican conceptions of non-domination and separation of powers, and democratic ideas of popular sovereignty (democratic constitutionalism), for the standards that should constitute, guide, limit and legitimate the exercise of sovereign power. This Article addresses an important challenge to these principles: the reemergence of theories and claims to jurisdictional/political pluralism on behalf of non-state “nomos groups” within well-established liberal-democratic polities. Theories of jurisdictional political pluralism purport to account for the independent sovereign authority of the corporate religious, while providing a “postmodern,” “permeable,” “pluralist” conception of sovereignty allegedly more appropriate descriptively to twenty-first century reality and more attractive normatively, than the modern statist version. This Article analyzes and assesses these claims. It criticizes the disassociation of the sovereignty concept from publicly accountable power, challenges the displacement of rights-holders from individuals to corporate groups, and offers a different, federal alternative to anachronistic or normatively flawed modern monistic statist conceptions. My purpose is to preserve the key achievements of democratic constitutionalism and to apply them to every level on which government, power, rule, and/or domination is exercised.
p-adic Valuation of Exponential Sums in One Variable Associated to Binomials
Authors: Castro Francis N. , Figueroa Raúl , Guan Puhua 
Published: July 2017

Abstract
In this paper we compute the p-adic valuation of exponential sums associated to binomials F(X) = aXd₁ + bXd₂ over Fp. In particular, its p-adic valuation is constant for a, b ∈ F∗p . As a byproduct of our results, we obtain a lower bound for the sizes of value sets of binomials over Fq.
Integral Powers of Numbers in Small Intervals Modulo 1: The Cardinality Gap Phenomenon
Authors: Schleischitz Johannes 
Published: July 2017

Abstract
This paper deals with the distribution of αζn mod 1, where α ≠ 0, ζ > 1 are fixed real numbers and n runs through the positive integers. Denote by ‖·‖ the distance to the nearest integer. We investigate the case of αζn all lying in prescribed small intervals modulo 1 for all large n, with focus on the case ‖αζn‖ ≤ ɛ for small ɛ > 0. We are particularly interested in what we call cardinality gap phenomena. For example for fixed ζ > 1 and small ɛ > 0 there are at most countably many values of α such that ‖αζn‖ ≤ ɛ for all large n, whereas larger ɛ induces an uncountable set. We investigate the value of ‖ at which the gap occurs. We will pay particular attention to the case of algebraic and, more specific, rational ζ > 1. Results concerning Pisot and Salem numbers such as some contribution to Mahler’s 3/2-problem are implicitly deduced. We study similar questions for fixed α ≠ 0 as well.
Une Propriété Topologique de Certains Ensembles de Mills
Authors: Deschamps Bruno 
Published: July 2017

Abstract
In this article , we show that the set of Mills constants (real numbers M such that [M3ⁿ] is prime for all n ≥ 0) is the increasing limit of sets homeomorphic to the triadic Cantor’s set. More generally, for a given function ϕ and a set A of integers, we studying the Mills set Mϕ(A) = {α ∈ ℝ/ ∀n ∈ ℕ, [ϕn(α)] ∈ A} (where ϕn = ϕ∘...∘ϕ n times). We show that, under certain assumptions over ϕ and A, for all real w > infMϕ(A) the set Mϕ(A) ∩ [2, w] is homeomorphic to the triadic Cantor’s set.
Synthesis and crystal structures of non-symmetric 1,3-di(alkyloxy)imidazolium salts
Authors: Jochriem Markus , Kirchler Christian G. , Laus Gerhard , Wurst Klaus , Kopacka Holger , Müller Thomas , Schottenberger Herwig 
Published: July 2017

Abstract
A series of non-symmetric 1,3-di(alkyloxy)imidazolium salts were synthesized by stepwise alkylation of 1-hydroxyimidazole-3-oxide. The quaternary salts were subsequently functionalized by bromination in 2-position. A 2-azidoimidazolium salt and an imidazoline-2-thione were prepared exemplarily. Crystal structures of two 2-bromo-1-alkyloxy-3-methyloxyimidazolium tribromides and a mercury(II)-thione complex have been determined by X-ray diffraction.
Variations in Definitions and Outcome Measures in Gastroesophageal Reflux Disease: A Systematic Review
Authors: Singendonk Maartje M.J. , Brink Anna J. , Steutel Nina F. , van Etten-Jamaludin Faridi S. , van Wijk Michiel P. , Benninga Marc A. , Tabbers Merit M. 
Published: July 2017

CONTEXT:Gastroesophageal reflux (GER) is defined as GER disease (GERD) when it leads to troublesome symptoms and/or complications. We hypothesized that definitions and outcome measures in randomized controlled trials (RCTs) on pediatric GERD would be heterogeneous.OBJECTIVES:Systematically assess definitions and outcome measures in RCTs in this population.DATA SOURCES:Data were obtained through Cochrane, Embase, Medline, and Pubmed databases.STUDY SELECTION:We selected English-written therapeutic RCTs concerning GERD in children 0 to 18 years old.DATA EXTRACTION:Data were tabulated and presented descriptively. Each individual parameter or set of parameters with unique criteria for interpretation was considered a single definition for GER(D). Quality was assessed by using the Delphi score.RESULTS:A total of 2410 unique articles were found; 46 articles were included. Twenty-six (57%) studies defined GER by using 25 different definitions and investigated 25 different interventions. GERD was defined in 21 (46%) studies, all using a unique definition and investigating a total of 23 interventions. Respectively 87 and 61 different primary outcome measures were reported by the studies in GER and GERD. Eight (17%) studies did not report on side effects. Of the remaining 38 (83%) studies that did report on side effects, 18 (47%) included this as predefined outcome measure of which 4 (22%) as a primary outcome measure. Sixteen studies (35%) were of good methodological quality.LIMITATIONS:Only English-written studies were included.CONCLUSIONS:Inconsistency and heterogeneity exist in definitions and outcome measures used in RCTs on pediatric GER and GERD; therefore, we recommend the development of a core outcome set.
Si el Arte puede ser una guerra, el Ateliê Fidalga es un punto neutro / If Art may be a war, the Ateliê Fidalga is a neutral point
Authors: Gallego Martínez María Dolores 
Published: July 2017

El presente artículo se centra en el Ateliê Fidalga de São Paulo (Brasil), como espacio cultural de reconocido prestigio por su larga trayectoria y su modus operandi, siendo un claro ejemplo de lo que diversos teóricos han llamado espacios alternativos y laboratorios artísticos colaborativos. Este nuevo tipo de institución híbrida y autoorganizada por artistas es considerada como el lugar donde se produce la mayor parte del arte actual, dentro del contexto artístico brasileño e incluso internacional. If Art may be a war, the Ateliê Fidalga is a neutral pointThis article focuses on the Ateliê Fidalga of São Paulo (Brazil), as a renowned cultural space for its trajectory and modus operandi, it is an example about what many theorists have called as alternative art spaces and collaborative artistic laboratories. This new kind of hybrid institution and self-organized by artists, it is considered as the place where the most of the current art is produced, within the artistic brazilian context and even internacional context.