bluuebunny/crossref_metadata_2025 huggingface dataset:
An Unequal Partnership: The Privatisation of Information Technology in Ontario
Authors: David Rapaport
Published: June 2015

This paper presents a case study of the outsourcing of IT services between 1996 and 2003 by the Government of Ontario using a Public Private Partnership (P3) as an example of the commodification of public services including the impact on labour. It argues that three key features of the arrangement led to it becoming an ‘unequal partnership.’ First, ideological notions of a ‘knowledge economy’ and the techno-wizard status of independent IT workers were used by IT corporations to charge very high corporate rates for the time of outsourced IT staff, despite the fact that they were in fact undergoing a process of proletarianisation. Second, the P3 cost-benefit structure of shared costs and shared payments provided the framework for corporate partners to realise higher profits from investment in privatised state activities. Third, the explicit support of influential state and near-state actors undermined opposition to P3 projects.
Los transportes en Tokio
Authors: López Gómez Antonio
Published: June 2015

Tokio, en la cerrada bahía de su nombre, en el S de la llanura del río Tone, es una de las ciudades más extensas y pobladas de la Tierra.
La potenciación del turismo rural a través del programa LEADER: La Montaña de Alicante
Authors: Candela Hidalgo Ana Rosa , García Carretero María del Mar , Such Climent María Paz
Published: June 2015

El turismo rural se ha planteado como una forma de dinamizar los espacios rurales desfavorecidos, de acuerdo con las premisas del desarrollo local, concebido como un complemento y, en algunos casos, en función de los ámbitos de aplicación, incluso una verdadera alternativa a las rentas agrarias. Estas ideas han venido siendo objeto de atención desde la CE, que ha potenciado el papel del turismo rural a través de diversos programas, entre los que destaca el LEADER. El programa LEADER se convirtió para la Montaña de Alicante en una subvención inesperada y, por tanto, su aplicación ha sufrido las limitaciones que conlleva la falta de experiencia en la gestión y la carencia de una infraestructura básica sin la que se hace difícil sustentar una actividad económica prácticamente inexistente en la zona. El éxito del primer programa LEADER se ha visto condicionado por el restringido período de ejecución, la deficiente difusión de la información, los reducidos porcentajes de subvención y la concentración de las ayudas en las actuaciones realizadas por las entidades públicas.
La conservación de los paisajes aterrazados en la Toscana: entre la utopía y la realidad
Authors: Hernández Hernández María
Published: June 2015

Las notables transformaciones que se producen tras la Segunda Guerra Mundial en la estructura socio-económica italiana, se han traducido en profundos cambios en la agricultura tradicional. Hecho que ha generado notables degradaciones ambientales. Áreas que, con la difusión de la nueva filosofía ambiental, pueden adquirir un nuevo valor. Así, frente a la función productiva, en crisis, estos espacios podrían enarbolar la bandera del valor ambiental, cultural o paisajístico. Sin embargo, para lograrlo, es necesario la adopción de una serie de disposiciones tendentes a la conservación de la sistematización hidráulica y agraria dieciochesca, su principal atractivo. Sin embargo, ésta choca con una serie de dificultades entre las que destacan la escasez de financiación, la lentitud en aplicar la legislación o el carácter contradictorio de ciertas normativas.
Turismo de invierno y estaciones de esquí en el Pirineo catalán
Authors: López Palomeque Francisco
Published: June 2015

Este artículo analiza la evolución de las estaciones de esquí en el Pirineo catalán y las características de su implantación espacial. Se valora la aptitud del medio, la innovación y los dominios esquiables que han hecho posible el desarrollo del turismo de invierno; se describen los parámetros básicos de la oferta y de la demanda de este tipo de turismo y se constata el destacado papel que ha tenido la administración pública en su promoción y desarrollo. Por último, se evalúa el significado del turismo de invierno como factor básico de transformación de la estructura territorial y socioeconómica, así como su protagonismo en el conjunto del Pirineo como espacio turístico.
Sequías en el sureste de la Península Ibérica: cambios en la percepción de un fenómeno natural
Authors: Morales Gil Alfredo , Rico Amorós Antonio Manuel
Published: June 2015

La sequía que padecen las tierras del sureste de la Península Ibérica ha devuelto a la actualidad la importancia que tiene este hecho natural para el desarrollo de las actividades humanas. Lejos del discurso catastrofista de la controvertida hipótesis del cambio climático planetario, en este estudio-comentario se ofrece una reflexión acerca de sus causas y consecuencias que, cada vez más, evidencian las limitaciones que introduce la aridez en este territorio en relación con la ausencia de una planificación racional de las actividades económicas (regadío, urbanización y turismo) coordinada con la previsión de unas actuaciones realistas sobre las disponibilidades hídricas.
El turismo en la costa nordoriental de Irlanda del Norte
Authors: Matarredona Coll Enrique
Published: June 2015

El presente trabajo pretende ser un informe que muestre, de modo sucinto, la personalidad e influencia del turismo en la Causeway Coast, estableciendo puntuales referencias comparativas con el modelo predominante en la Costa Blanca alicantina. El estudio se sustenta en un análisis de la frecuentación turística y de las modalidades de alojamiento y su localización, imperantes en la Costa de Antrim (Irlanda del Norte).
Structural dynamics at boreal forest edges created by a spruce budworm outbreak
Authors: Franklin Caroline , Harper Karen , Murphy Liam
Published: June 2015

Natural disturbances such as insect outbreaks create boundaries that influence vegetation patterns and ecological processes.Â  To better understand the effects of natural edge creation on relatively intact forests and adjacent disturbed areas, we investigated forest structure on both sides of 30 year-old forest edges created by a spruce budworm (Â Clemens) outbreak in the boreal forest of Cape Breton Highlands National Park, Canada.Â  Our objectives were: 1) to determine edge influence (compared to interior forest) and forest influence (compared to disturbed areas) on vegetation structure, and 2) to gain insight into the structural development of the edges.Â  Canopy cover, tree density, radial growth and deadwood were sampled in 5 m x 20 m plots along 120 m transects across six edges.Â  Randomization tests were used to estimate the magnitude and distance of edge and forest influence.Â  Narrow transition zones approximately 10 m wide characterized the spruce budworm-induced edges.Â  Edge influence did not extend into the forest; however, forest influence on structure was detected up to 40 m from the edge into the disturbed area.Â  We found evidence of the insect outbreak in the form of reduced radial growth during the disturbance across the entire disturbed area-forest gradient, which indicates that spruce budworm activity may not have ceased directly at the edge.Â  Tree mortality caused by the insect outbreak resulted in snags, many of which have transformed into logs since the outbreak collapsed.Â  Spruce budworm outbreak-induced forest edges are narrow but dynamic boundaries separating two distinct vegetation communities in the boreal landscape.Choristoneura fumiferana
Export Process Capability Assessment Model
Authors: Besson Jeremy , Mitasiunas Antanas , Ragaisis Saulius
Published: June 2015

The process capability modeling has become a tool for systematization and codifying knowledge of process-oriented activities. Enterprise SPICE defines a domain independent integrated model for enterprise-wide assessment and continuous improvement. This paper presents the complete export process capability assessment model containing the export body of knowledge expressed in terms of SPICE conformant processes, their outcomes and base practices. The purpose of the developed model is to enable use of domain independent Enterprise SPICE model for the export process improvement.
Online hypergraph coloring with rejection
Authors: Imreh Csanád , Nagy-György Judit
Published: June 2015

In this paper we investigate the online hypergraph coloring problem with rejection, where the algorithm is allowed to reject a vertex instead of coloring it but each vertex has a penalty which has to be paid if it is not colored. The goal is to minimize the sum of the number of the used colors for the accepted vertices and the total penalty paid for the rejected ones. We study the online problem which means that the algorithm receives the vertices of the hypergraph in some order v
1, . . . , vn
and it must decide about vi
by only looking at the subhypergraph Hi
= (Vi
, Ei
) where Vi
= {v
1, . . . , vi
} and E
i
contains the edges of the hypergraph which are subsets of Vi
. We consider two models: in the full edge model only the edges where each vertex is accepted must be well-colored, in the trace model the subsets of the edges formed by the accepted vertices must be well colored as well. We consider proper and conflict free colorings. We present in each cases optimal online algorithms in the sense that they achieve asymptotically the smallest possible competitive ratio.
Empirical study of the greedy heuristic as applied to the link selection problem
Authors: Pusztai Pál , Hajba Tamás
Published: June 2015

Behind the link selection problem there is a practical problem that aims to check efficiently the vehicles on a road network. The checking process is to be realized with license plate reading cameras for checking the valid vignette of vehicles using that part of the network. However this problem should be defined generally and the methods of obtaining a solution can be applied to a wider range of problems independent of the original problem. This paper defines the link selection problem with directed graph, it shows the NP-hard complexity and it gives a heuristic and binary integer programming models to solve the problem. These two kinds of approaches allow us to examine and qualify the heuristic. The computational results of the methods are compared with different sizes of problems.
Determination of robust optimum plot size and shape – a model-based approach
Authors: Pal Satyabrata , Mandal Goutam , Dihidar Kajal
Published: June 2015

Summary

Determination of optimum plot size has been regarded as an important and useful area of study for agriculturists and statisticians since the first remarkable contribution on this problem came to light in a paper by Smith (1938). As we explore the scientific literature relating to this problem, we may note a number of contributions, including those of Modjeska and Rawlings (1983), Webster and Burgess (1984), Sethi (1985), Zhang et al. (1990, 1994), Bhatti et al.(1991), Fagroud and Meirvenne (2002), etc. In Pal et al. (2007), a general method was presented by means of which the optimum plot size can be determined through a systematic analytical procedure. The importance of the procedure stems from the fact that even with Fisherian blocking, the correlation among the residuals is not eliminated (as such the residuals remain correlated). The method is based on an application of an empirical variogram constructed on real-life data sets (obtained from uniformity trials) wherein the data are serially correlated. This paper presents a deep and extensive investigation (involving theoretical exploration of the effect of different plot sizes and shapes in discovering the point – actually the minimum radius of curvature of the variogram at that point – beyond which the theoretical variogram assumes stationary values with further increase in lags) in the case of the most commonly employed model (incorporating a correlation structure) assumed to represent real-life data situations (uniformity trial or designed experiments, RBD/LSD).
Some Recent Progress on Numerical Methods for Controlled Regime-Switching Models with
Applications to Insurance and Risk Management
Authors: Jin Zhuo , Stockbridge Rebecca , Yin George
Published: June 2015

This paper provides a survey
on several numerical approximation schemes for stochastic control
problems that arise from actuarial science and finance. The problems to be considered include
dividend optimization, reinsurance game, and quantile hedging for
guaranteed minimum death benefits. To better
describe the complicated financial markets and their inherent uncertainty and randomness,
the so-called regime-switching models are adopted. Such models are more
realistic and versatile, however, far more complicated to handle.
Due to the complexity of the construction, the regime-switching diffusion systems can only be solved
in very special cases. In general, it is virtually impossible to obtain closed-form solutions.
We use Markov chain approximation techniques to construct discrete-time controlled Markov
chains to approximate the value function and optimal controls.
Examples are presented to illustrate the
applicability of the numerical methods.
On the length of functions of κ-valued logic in the class of polynomial normal forms modulo κ
Authors: Bashov Maksim A. , Selezneva Svetlana N.
Published: June 2015

Polynomial normal forms for functions of κ-valued logics (for prime values of κ) are considered. A polynomial normal form modulo κ (p.n.f.) is the sum modulo κ of products of variables, or variables with one or several Post negations, taken with some coefficients. The length of a p.n.f. is the number of distinct terms that appear in the form with nonzero coefficients. If κ is a prime number, then each function of κ-valued logic may be represented by various p.n.f. The length of a function of κ-valued logic in the class of p.n.f. is the minimum length of a p.n.f. representing this function. The Shannon function L
The early detection of anaemia and aetiology prediction through the modelling of red cell distribution width (RDW) in cross-sectional community patient data
Authors: Badrick Tony , Richardson Alice M. , Arnott Ashley , Lidbury Brett A.
Published: June 2015

Background: Red cell distribution width (RDW) is a marker of iron-deficient anaemia that can also assist differentiation of other anaemias. RDW also has been suggested as an effective marker for earlier anaemia detection. The RDW-anaemia relationship was investigated in cross-sectional community patient data, and the capacity of RDW to predict the diagnostic value of second tier anaemia markers assessed.

Methods: Routine and second tier assay data were provided by the laboratory Sullivan Nicolaides Pathology. The cohort was divided into male and female groups stratified by age, and correlation analyses assessed associations of RDW to haemoglobin and ferritin. Analysis of covariance (ANCOVA) was performed for both routine and second tier markers to investigate their significance for RDW prediction.

Results: RDW had statistically significant negative correlation with haemoglobin for both sexes and age ranges (p<0.01). The RDW relationship with serum ferritin was non-linear, representing two populations. ANCOVA showed categorical ferritin as a significant RDW predictor for younger females, with vitamin B12 a significant RDW predictor for older men. Haemoglobin, mean corpuscular haemoglobin (MCH) and second tier iron markers (e.g., transferrin) were significant RDW predictors for both sexes and ages investigated. An individual longitudinal female case study showed RDW as very sensitive to haemoglobin decrease, with ferritin not as responsive.

Conclusions: RDW had a significant negative association with haemoglobin in cross-sectional community patient data. ANCOVA showed ferritin as a significant RDW predictor for younger females only. This study confirms the utility of RDW as a marker for early anaemia detection, and useful to accelerated diagnoses of anaemia aetiology.
Blood cell changes in complement activation-related pseudoallergy
Authors: Patkó Zsófia , Szebeni János
Published: June 2015

The characteristic physiological changes in complement (C) activation-related pseudoallergy (CARPA) include thrombocytopenia, leukocytosis and leukopenia with or without compensatory leukocytosis. In the background of these phenomena it is known that anaphylatoxins, the triggers of CARPA, can activate white blood cells (WBCs) and platelets, and that this activation can lead to the binding of these cells to each other and also to capillary endothelial cells, entailing microthrombus formation and circulatory blockage mainly in the pulmonary and coronary microcirculation. These changes are key contributors to the hemodynamic alterations in CARPA, and can lead to anaphylactic shock. The goal of this review was to catalogue the blood cell changes in man and different animals undergoing CARPA and focus on some details of the molecular and cellular interactions among anaphylatoxins, other C activation byproducts, platelets, WBCs (mainly monocytes), macrophages and endothelial cells and these cells’ secretory products during CARPA. By discussing the inhibitors of different steps of the complex interplay between reaction mediators and cell surface receptors, the review might help in identifying possible novel drugs candidates against CARPA.
The long and short of verb alternations in Mauritian Creole and Bantu languages
Authors: van der Wal Jenneke , Veenstra Tonjes
Published: June 2015

Mauritian Creole displays an alternation between a short and a long form of the verb, which is reminiscent of the conjoint–disjoint alternation found in some eastern Bantu languages. Based on comparison with other French-based creoles and socio-historical evidence, we conclude that the Bantu substrate must have had an impact on the grammatical system of Mauritian Creole. We compare the synchronic properties of the alternations in Mauritian Creole and the most likely substrate Bantu languages of northern Mozambique and examine two possible scenarios for the influence of Bantu on the Mauritian verbal alternation, concluding that probably only the (syntactic) basics of the Bantu alternation motivated the persistence of the alternation in Mauritian Creole.
A Comparison Of K-Means And Fuzzy C-Means Clustering Methods For A Sample Of Gulf Cooperation Council Stock Markets
Authors: Al-Augby Salam , Majewski Sebastian , Majewska Agnieszka , Nermend Kesra
Published: June 2015

The main goal of this article is to compare data-mining clustering methods (k-means and fuzzy
c
-means) based on a sample of banking and energy companies on the Gulf Cooperation Council (GCC) stock markets. We examined these companies for a pattern that reflected the effect of news on the bank sector’s stocks throughout October, November, and December 2012. Correlation coefficients and
t
-statistics for the good news indicator (GNI) and the bad news indicator (BNI) and financial factors, such as PER, PBV, DY and rate of return, were used as diagnostic variables for the clustering methods.
The Influence Of Financing On The Dynamics Of Housing Prices
Authors: Bełej Mirosław , Kulesza Sławomir
Published: June 2015

Real estate market can be thought of as an open, dynamic system. It means that it is able to exchange stimuli with other open systems, and that its state evolves in a way that might be described mathematically. It turns out that two main processes contribute to the overall evolution of the real estate market: long-term, predictable evolution, interrupted by sharp changes of catastrophic origin. In this picture, national housing funds play an important role in supporting the housing finance: on one hand they could either stimulate or suppress the real estate market influencing the availability of the mortgage credit, but on the other hand, they could also help to stabilize prices. In this study, an attempt was made to determine the degree of relationship between the volume of mortgage financing from national housing funds and the dynamics of real estate prices.
Estimating The Size Of The Secondary Real Estate Market Based On Internet Data Sources
Authors: Beręsewicz Maciej
Published: June 2015

As a result of the growing digitization of society and the development of electronic economy, current statistical data sources, including administrative registers, do not satisfy the information needs of society. Therefore, there are growing gaps in the statistical coverage of a number of sectors of the economy. One example of such a gap is the secondary real estate market, which is only partially accounted for by official statistical data sources. On the other hand new data sources such as the Internet or Big Data tend to decrease information gap in official statistics. The Web portals that specialise in brokerage on real estate market should be not neglected as a data source for statistics. Therefore, the aim of the paper is to use two Web portals devoted to the housing market to estimate supply measured in the number of flats offered to sale in Poznań, Poland. In addition, classification and quality of Web portals will be discussed.
Polish Absolute Return Funds And Stock Funds. Short And Long Term Performance Comparison
Authors: Perez Katarzyna
Published: June 2015

In this paper I focus on analyzing whether Polish absolute return funds, which I call quasi-hedge funds, add value to a portfolio of an individual investor by reaching higher returns than Polish stock funds. I use a sample of 25 Polish absolute return investment funds to contrast their short and long term performance, measured by Sharpe, Sortino and Jensen ratios, to the short and long term performance of 20 biggest Polish stock funds and build rankings based on that performance. Later I build funds of funds (with a different number of stock funds and/or quasi-hedge funds) and check which of them is the most efficient. I find out that in both short and long term Polish quasi-hedge funds have better returns than stock funds and they add much value to the investors’ portfolios. It can be explained by the fact that they are much smaller and younger than traditional funds, so they have much higher potential to grow and reach abnormal returns.
Toxicology Aspects of the Decomposition of Diuron by advanced Oxidation Processes
Authors: Alapi Tünde , Simon Gergő , Veréb Gábor , Kovács Krisztina , Arany Eszter , Schrantz Krisztina , Dombi András , Hernádi Klára
Published: June 2015

Diuron is a phenylurea-based residual herbicide with toxic and endocrine disrupting effects. The aims of the present work were the comparison of the efficiency of various advanced oxidation processes, such as direct ultraviolet photolysis, ozonation, their combination, and heterogeneous photocatalysis from the point of view of the transformation rate of diuron, rate of mineralisation and dehalogenation, formation of aromatic intermediates, and ecotoxicological effects of the formed multicomponent solutions during the treatments. The initial rates of transformation of diuron are in the order of ozonation < heterogeneous photocatalysis < UV photolysis < combination of UV photolysis and ozonation. Each method provided similar tendencies in the decrease of the concentration of organically bound chlorines (AOX) since, until the diuron was completely degraded, the concentration of AOX decreased almost to zero in each case. However, only heterogeneous photocatalysis was found to be effective in terms of mineralisation. Ecotoxicological results showed that in each case, except for ozonation, the toxicity of the treated solutions changed through a maximum during the transformation of diuron. The maximum value was found to be lower in the case of heterogeneous photocatalysis. Thus, the formation and decomposition of by-products of relatively higher toxicity than diuron can be supposed. Our results confirmed that the amount of the formed (aromatic) intermediates, their quality and specific toxicity strongly depend on the applied processes.
Study of the Interference effects of Aluminium on the Atom- And Ion-Lines of Alkaline Earth Metals in Aqueous Solutions Using an ICP Spectrometer with Axially Viewed Plasma
Authors: Bánhidi Olivér
Published: June 2015

The main advantage of inductively coupled plasma spectrometers with axially viewed plasma relative to the radially viewed plasma is the better detection power. The detection limits of the former are about 5-10 times lower than the latter. On the other hand, the axially viewed plasma has disadvantages. The most notable is the increased number of interference effects. In this paper, the study of the interference effects of aluminium on the atom- and ion-lines of alkaline earth metals are presented by examining different types of sample-introduction devices, such as a simple Meinhart-type concentric nebuliser, a V-groove nebuliser using a Sturman-Masters spray chamber, and an ultrasonic nebuliser
Introduction
Authors: Valdez Juan R.
Published: June 2015

Given the persistent legacy of colonization and slavery in the Caribbean, a significant portion of recent scholarship on the island internationally known as Hispaniola is dedicated to debunking (neo)colonial myths (Buck-Morss 2009; San Miguel 2005). Not the least of these myths is the idea that this island’s peculiar history produced a “lower”, not fully civilized race of speakers. In keeping with the task of myth-busting, this special issue of the
Causative get-constructions in the dialogued passages in F. Scott Fitzgerald’s novels The Beautiful and Damned and Tender Is the Night as gender-conditioned structures
Authors: Gołąbek Rafał
Published: June 2015

It goes without saying that in modern sociolinguistics there is a consensus with regard to the fact that the language of males and females differs. The initial sections of the article briefly address the peculiarities of gendered speech as to provide a theoretical background for checking whether the causative get is used similarly or differently by men and women in the two of F. Scott Fitzgerald’s novels: The Beautiful and Damned and Tender Is the Night. The basic expectation formed is that the motifs for triggering the use of causative get are of social rather than structural nature. Before the analysis is carried out, the group of the English periphrastic causatives are sketchily characterized. Generally, what has been found is that there is a clear, socially-motivated pattern of how F. Scott Fitzgerald uses the causative get in the dialogued occurrences in his two novels. Get is a characteristic of men’s talk, but it is also the expected form while female characters address male ones - hence the verb is labelled as “masculine” get. Moreover, it has been discovered that there does not seem to be any particular pattern in either the speaker’s mood or the speaker’s attitude expressed that would trigger the use of the causative verb in question. Yet, what seems to be a well-defined tendency, when it comes to the speaker-hearer power relation, is that the speaker usually assumes a more superior position than the hearer when he or she uses the causative verb. The superiority in most cases is strongly associated with masculinity. Hence, what is postulated is that the causative get is labelled not only as “masculine" but also as “superior”.
On Location Estimation Technique Based of the Time of Flight in Low-power Wireless Systems
Authors: Botta Miroslav , Simek Milan , Krajsa Ondrej , Cervenka Vladimir , Pal Tamas
Published: June 2015

This study deals with the distance estimation issue in low-power wireless systems being usually used for sensor networking and interconnecting the Internet of Things. There is an effort to locate or track these sensor entities for different needs the radio signal time of flight principle from the theoretical and practical side of application research is evaluated. Since these sensor devices are mainly targeted for low power consumption appliances, there is always need for optimization of any aspects needed for regular sensor operation. For the distance estimation we benefit from IEEE 802.15.4a technology, which offers the precise ranging capabilities. There is no need for additional hardware to be used for the ranging task and all fundamental measurements are acquired within the 15.4a standard compliant hardware in the real environment. The proposed work examines the problems and the solutions for implementation of distance estimation algorithms for WSN devices. The main contribution of the article is seen in this real testbed evaluation of the ranging technology.
Worldview Struggles under a New Climate Regime
Authors: Johannessen Jill
Published: June 2015

The UN summit on climate change in Durban constituted an important moment in the continuous discourse on how to understand climate change and the framing of the problems and solutions. A new emergent frame of understanding could be detected in the press, which the author calls the ‘out-dated worldview’ frame. This frame contains a critique of the clear-cut division between developing vs. developed countries from the 1992 Rio Convention, and may influence how we understand burden-sharing roles in a new global climate deal. In an eager attempt to include all major polluters within a new climate regime, there is a danger that the principle of ‘common but differentiated responsibility’ will be ignored, which may be an attempt to excuse the rich industrialized countries from their responsibility after 150 years of benefitting from fossil-fuel-driven development.
The Complexity of Public Relations Work
Authors: Johansson Bengt , Larsson Larsåke
Published: June 2015

Research on the PR-function is extensive, especially in the US and the UK. The managertechnician dichotomy is well known, but has been challenged by recent research where more nuanced perspectives on PR-managerial roles are displayed. In relation to this complexity of PR-managerial roles the article investigates the function and role Swedish public relations managers perform and play in their organizations. The Swedish case, with its high proportion of PR practitioners employed by public authorities, was used to further explore the complexity of PR work. The empirical data was a survey distributed to a random sample of members of the Swedish Public Relations Association, with a managerial or head/ director position, representing all industry/societal sectors. 261 persons completed the survey, giving a response rate of 30 percent. The study confirmed previous research of a more complex picture of the PR-managerial level. One important conclusion was therefore that the simple dichotomy between managers and technicians cannot be used to understand managerial level positions in the public relations context. This complexity was even further emphasized when comparing PR-mangers in the private and the public sector. One challenge pointed out for future research was to develop analyses of PR managerial roles in different types of organizations.
Extraction and optimization of Mucuna pruriens for dyeing of leather
Authors: Sundari Natarajan
Published: June 2015

The present study reports on the leaching of natural pigment from Mucuna pruriens for dyeing of chrome tanned leather samples. The experiments were performed at temperature (30-70°C), time (30-90 min), feed to solvent ratio (1:3-1:7) and particle size (0.25-0.75 mm) using ethanol as solvent. The influence of process variables on percentage yield has been studied and the conditions were optimized using Box-Behnken design. The optimized conditions for intensified extraction was found to occur at a temperature of 60°C, extraction time of 1 hr, for a feed to solvent ratio of 1:5 and 0.75 mm particle size. The % yield under optimized conditions was found to be 47%. The extraction results were found to agree well with the statistical model (R2 = 0.9740). The colouring ability of extracted dye has been tested on wet blue goat leathers. The dyed leather exhibited a better colour value, strength and fastness properties as inferred from reflectance and visual assessment tests.
Characterization and components separation of corn stover by alkali and hydrogen peroxide treatments
Authors: Cong Li , Li Zhang , Guanqun Zhang , Jianguo Xu , Long Zhang
Published: June 2015

The dissolution of corn stover in alkaline solvent system composed of NaOH-H2O2 was reported and the separation of its ingredients combined with acid precipitation, ethanol extraction was proposed. It is proven that the residual after alkali solvent was cellulose, the filtrate by the acid precipitation of the liquor was lignin, the solid by the ethanol extraction of the liquor was hemicellulose. The optimum dissolution conditions were determined by single-factor experiment as follows: the concentration of H2O2 5.0%, pH 11.5, dissolution temperature 60°C, dissolution time 3.0 h, the ratio of liquid to solid 30 mL/g. And chemical analysis were employed to determine the purity of the components separated. The structure of the components separated were identifi ed by FT-IR, SEM, XRD and NMR. The cellulose recovery yield can achieve to 84.2% and lignin recovery yield is 86.6%, the hemicellulose recovery yield is 96.7%. After recycling the solvent 3 times, the recovery yield of cellulose, lignin and hemicellulose were 82.7, 87.6 and 97.4%, and the purity of cellulose, lignin and hemicellulose were 98.0, 96.5 and 98.7%, respectively.
Revalorization of Structural Floor Systems in the Twentieth Century: An Overview
Authors: Brosens Kris , Heirman Gert , Ignoul Sven , Gemert Dionys Van
Published: June 2015

Towards the end of the nineteenth century and the beginning of the twentieth century new technological evolutions and material developments gave rise to different modular structural flooring systems, which allowed light but strong floors to be constructed. This paper gives an overview of the evolution in flooring systems, their durability problems, and how to solve them. Similar systems also have been used for roof constructions. The strengthening of an atypical vaulted roof structure in the “Het Depot” theatre in Leuven, composed of terracotta arch and panel elements, showing its specific problematic and its specific revalorization approach serves as a case study to illustrate the methodologies applied.
Mathematical modelling of moist convection and transport of gaseous pollutants and aerosols in clouds
Authors: Aloyan Artash E. , Arutyunyan Vardan O. , Yermakov Alexander N.
Published: June 2015

A joint three-dimensional numerical model of formation of convective clouds in the atmosphere is constructed with a detailed description of microphysical processes. A transport model of multicomponent gaseous admixtures and aerosols is also a constructed subject to gas-phase and liquid-phase chemical reactions. Basic physical mechanisms of formation of liquid droplet clouds of medium size and the transport of gases with different reactivity and solubility are considered. The calculations performed with the use of the data on emission of NO
Patient-specific anatomical models in human physiology
Authors: Vassilevski Yuri V. , Danilov Alexander A. , Simakov Sergey S. , Gamilov Timur M. , Ivanov Yuri A. , Pryamonosov Roman A. , Simakov Sergey S.
Published: June 2015

Patient-specific simulations of human physiological processes remain the challenge for many years. Detailed 3D reconstruction of body anatomical parts on the basis of medical images is an important stage of individualized simulations in physiology. In this paper we present and develop the methods and algorithms for construction of patient-specific discrete geometric models. These models are represented by anatomically correct computational meshes. Practical use of these methods is demonstrated for two important medical applications: numerical evaluation of fractional flow reserve in coronary arteries and electrocardiography simulation
Heteropoly Salts
Authors: Healy T. V.
Published: June 2015

The trialkali and dialkali hydrogen phosphomolybdates of caesium and rubidium have been isolated. Methods are given for their preparation and also suggested methods for the preparation of corresponding salts of potassium, ammonium, and monovalent thallium. The tetra alkali, trialkali hydrogen, and dialkali dihydrogen silicotungstates of caesium, rubidium, and potassium have also been shown to exist and methods are given for their preparation. The relative solubilities of the alkali phosphomolybdates and silicotungstates in water and their stabilities in acid solution have been ascertained.
Photoproduction of 132Cs with a 20 MeV Linear Electron Accelerator
Authors: Tanaka Kichizo , Tamura Tsutomu , Kuroyanagi Tokihiro
Published: June 2015

The routine production of 132Cs was accomplished through utilization of a linear electron accelerator. Processes were developed for the estimation of the yield of 132Cs, the assay of the radiochemical impurities, and the estimation of the spatial distribution of bremsstrahlung by the copper activation method. Ten millicuries of 132Cs was produced per ten hours irradiation period at 20 MeV and 40 μΑ, and the radiochemical purity of the products was found to be higher than 99.99%.
Contribution à l’étude des complexes sulfuriques du plutonium (IV)
Authors: Lucas M.
Published: June 2015

En utilisant une méthode d’extraction par solvant, nous avons détermine la constante de stabilité du complexe Pu (SO4) correspondant à l’équilibre: PuSO4
++ + HSO4- ⇆ Pu(SO4)2 + H+.

La valeur pour cette constante:  est de 3,8 ± 0,7 à force ionique 1 et à la température de 23° ± 0,5° C. Le milieu d’équilibre a la composition suivante: HNO3 = 0,5M-NaNO3 = 0,5 M; Pu (IV) 10 -6 M environ.
Effects of Neutron Irradiation on Bromobenzene and some of its Derivatives
Authors: Poncha R. P. , Rag C. L. , Sharma H. D.
Published: June 2015

The retention value R, defined as the percentage of activity retained in the organic combination after irradiation of an organic halide has been determined for bromobenzene, o, m and p bromonitro benzene, o, m and p bromoaniline and its sulphate. The values of R for bromobenzene show wide Variation depending on the irradiation Container etc. apart from pretreatment for purification. The isomers of derivatives of bromobenzene show that there are no marked differences in the values of R but minor differences have been observed which may be due to orienting effect of the substituents in the benzene nucleus. The effect of dilution on R
of bromobenzene using benzene and hexane as solvents has been studied and it is shown that the retention value goes down in benzene but in hexane it remains constant. The scavenging effects by addition of bromine and allyl bromide on bromobenzene have shown that R
goes down to ~ 30 percent in the former and ~ 87 percent in the latter case.
Oxygen-Effect in Annealing of Recoil Damage in Cobalt Chelates-Tris-Acetyl-Acetone Co(III) and Bis-Salicylaldehyde Triethylenetetramine Co(III) Chloride
Authors: Nath Amar , Rao K. Annaji , Thomas V. G.
Published: June 2015

A marked 'oxygen effect' is observed for several cobalt complexes in thermal annealing. Kinetic data are reported for recoil damage, after 59Co (γ, n)
58Co and 59Co (n,
γ)
60Co- reactions in trisacetylacetone Co (III) and bis-salicylaldehyde triethylenetetramine Co (III) chloride respectively. When the thermal treatment is carried out in N2 or vacuum (viz., in absence of oxygen), the magnitude of Saturation anneal is considerably higher. Aliquots annealed to Saturation in presence of air can be made to undergo further annealing, if the thermal treatment is continued at the same temperature but in the absence of air (in vacuum or nitrogen).

It is suggested that during an isothermal annealing run electrons are released from variable depth traps, and interact with the metastable species (damage centres) formed by virtue of interaction of recoil cobalt atom with a chelate molecule. The adsorbed oxygen on the surface acts as deep electron trap and suppresses annealing. Once it is displaced by N2 (or vacuum), annealing proceeds further. The adsorbed oxygen is not found to affect the percentage contribution from individual rate processes (corresponding to different trapping centres) to an equal extent. This shows that the spatial distribution of different trapping centres in the bulk is not homogeneous.
Recoil Tritium Reactions in Simple Aliphatic Compounds
Authors: Cipollini R. , Stöcklin G.
Published: June 2015

Some reactions of recoil tritium produced via the 3He (n, p) T- and the 6Li (n, α) T-process, respectively, have been studied in gaseous and liquid aliphatic compounds of the type RX (X = NH2, OH, SH, halogen).

Except for a remarkably high HT-yield in gaseous and liquid labile Η-containing systems the product forming mechanisms seem to follow the general pattern of the chemistry of energetic tritium atoms.

Liquid phase competition experiments in equimolar CH3NH2/C2H5NH2(I2)- and CH3NH2/n-C3H7NH2(I2)-systems show a stronger structure effect on hydrogen replacement than expected on the basis of the "impact model". The ratios of the relative yields per C-Η bond are 1.00 : 0.67 : 0.50 for methyl-, ethyl- and n-propylamine, respectively.

The effect of bond energies on excitation-decomposition following hot hydrogen substitution has been studied using scavenged gaseous, equimolar CH3X/C2He-systems. The CH2TX-yields are shown to decrease in the order

CH2TF > CH2TOH > CH2TCl > CH2TNH2 > CH2TSH

thus indicating that the energy of the weakest bond in the molecule plays a major yield-determining role. Pressure- and phase-effects confirm that a considerable fraction of the hot substitution product can decompose at 1 atmosphere before collisional de-excitation occurs. Primary steric and chemical factors seem to be small compared to the secondary decomposition effects, particulary for compounds with weaker bonds.
A Pluralistic Approach to Protected Area Governance: Indigenous Peoples and Makuira National Park, Colombia
Authors: Premauer Julia Margareta , Berkes Fikret
Published: June 2015

Based on a study of collaborative governance (Spanish cogobierno, literally co-government) in Makuira National Park overlapping with an Indigenous collective territory of the Wayúu people recognised by the Government of Colombia, we analyse how Indigenous rights and conservation interests are negotiated between the national parks authority and local Indigenous governing authorities. Recognised common interests provide a basis for collaboration in protected area governance even where conflicting interests exist. The arrangements arrived at by negotiation incorporate Indigenous commons governance and parks conservation objectives, enabling territorial use planning which allows for both conflict management and protected area management. Ongoing collaborative governance based on common interests, brings both benefits and tradeoffs. The Wayúu give up part of their self-determination rights and the Park gives up part of the ideals of ecosystem conservation based on biological criteria. The strategic alliance works because it is based on the recognition of the legitimacy of Indigenous governing authority, the Parks’ role in protecting Wayúu territory, and the complementary strengths of the two parties. The core message of the case is that designing an inclusive and broad practice of conservation requires an approach involving processes that acknowledge common interests and tradeoffs for both parties.
Exploiting the Metal-Insulator Transition of VO2 Thin Films for Terahertz Wave Modulation and Switching
Authors: Hoque Md Nadim Ferdous , Karaoglan-Bebek Gulten , Holtz Mark , Bernussi Ayrton A. , Fan Zhaoyang
Published: June 2015

VO2 is one of the very few natural materials that can be used to modulate terahertz (THz) radiations. A 100-nm thick VO2, when in its metallic phase, has a charge density of more than ∼ 1015 cm-2 which will strongly reflect and absorb the THz radiation; while in its insulator state, the charge density is lowered by several orders of magnitude to be THz transparent. Therefore, exploiting the metal-insulator transition of VO2 is a potential approach to modulate or even switch THz radiation for THz optics. Here we report that VO2 epitaxial thin films on sapphire substrate exhibits 85% amplitude modulation depth in a broad bandwidth, while this value can be improved to 95% when VO2 film is coated on both sides of a substrate. We further demonstrate that with wafer bonding, 4-layered VO2 thin films exhibit a transmittance as low as -20 dB to -30 dB at their metallic state, enough for switching applications. We also report our proof-of-concept demonstration of THz spatial light modulator that exhibits amplitude modulation as large as 96%, -30 dB pixel-to-pixel crosstalk, and a broad THz bandwidth.
Study of Photoluminescence Properties of CuxO Thin Films Prepared by Reactive Radio Frequency Magnetron Sputtering
Authors: Gan Jiantuo , Galeckas Augustinas , Venkatachalapathy Vishnukanthan , Riise Heine N. , Svensson Bengt G. , Monakhov Edouard V.
Published: June 2015

CuxO thin films have been deposited on a quartz substrate by reactive radio frequency (rf) magnetron sputtering at different target powers Pt (140-190 W) while keeping other growth process parameters fixed. Room-temperature photoluminescence (PL) measurements indicate considerable improvement of crystallinity for the films deposited at Pt>170 W, with most pronounced excitonic features being observed in the film grown using Pt=190 W. These results corroborate well with the surface morphology of the films, which was found more flat, smooth and homogeneous for Pt >170 W films in comparison with those deposited at lower powers.
Enhancing urban flood resilience – a case study for policy implementation
Authors: Nie Linmei
Published: June 2015

Climate change, urbanisation and ageing infrastructure are major challenges to the water sector, community and environment. The effects of these challenges are increasing surface runoff and insufficient drainage capacities, resulting in flooding, pollution and degradation of ecological and biological systems. Compared with traditional flood defence-oriented approaches, the concept of resilience enhances overall community capacity with regard to risk management through hazard and vulnerability assessment, and implementation of technical and non-technical adaptation measures. Fredrikstad, like many municipalities in Norway, faces significant water-related challenges; however, unlike many other municipalities, Fredrikstad has taken proactive action by introducing stormwater management into urban planning and development, guiding public and private sectors and end users to take integrated stormwater management measures through the implementation of a municipal master plan (2008–2028). This paper presents a multilevel approach to enhance municipal flood resilience from strategies to practices. The Fredrikstad case study could provide examples of political implementation and recommendations for other municipalities in Norway and worldwide for adaptation to climate change and urbanisation.
Tradición y modernidad: la fábula "La rapoza se va al Hadjilik" en el periódico sefardí "El Konsejero" (Salónica, 1913)
Authors: Sánchez Pérez María
Published: June 2015

Tradición y modernidad: la fábula "La rapoza se va al Hadjilik" en el periódico sefardí "El Konsejero" (Salónica, 1913)
J. Corredor-Matheos, Sin ruido (Pedro Antonio González Moreno)
Authors: González Moreno Pedro Antonio
Published: June 2015

Reseña escrita por Pedro Antonio González Moreno de J. Corredor Mateos, Sin ruido