bluuebunny/crossref_metadata_2025 huggingface dataset:
The vibration of prototype aircraft propeller speed reduction unit – test bench and FEM numerical simulation study
Authors: Ostapski W. , Aromiński A. , Dowkontt S.
Published: December 2014

The results of torsional shaft vibration bench tests for a prototype aircraft propeller speed reduction unit are presented in this paper. The study was conducted as a function of engine speed and lubrication conditions. 3D model of the propeller speed reduction unit was developed. By using the finite element method, normal modes frequencies were defined. The simulation was conducted both unloaded and loaded under nominal power conditions.
A Thermo-Hydraulic Tool for Automatic Virtual Hazop Evaluation
Authors: Pugi L. , Conti R. , Rindi A. , Rossin S.
Published: December 2014

Development of complex lubrication systems in the Oil&Gas industry has reached high levels of competitiveness in terms of requested performances and reliability. In particular, the use of HazOp (acronym of Hazard and Operability) analysis represents a decisive factor to evaluate safety and reliability of plants. The HazOp analysis is a structured and systematic examination of a planned or existing operation in order to identify and evaluate problems that may represent risks to personnel or equipment. In particular, P&ID schemes (acronym of Piping and Instrument Diagram according to regulation in force ISO 14617) are used to evaluate the design of the plant in order to increase its safety and reliability in different operating conditions. The use of a simulation tool can drastically increase speed, efficiency and reliability of the design process. In this work, a tool, called TTH lib (acronym of Transient Thermal Hydraulic Library) for the 1-D simulation of thermal hydraulic plants is presented. The proposed tool is applied to the analysis of safety relevant components of compressor and pumping units, such as lubrication circuits. Opposed to the known commercial products, TTH lib has been customized in order to ease simulation of complex interactions with digital logic components and plant controllers including their sensors and measurement systems. In particular, the proposed tool is optimized for fixed step execution and fast prototyping of Real Time code both for testing and production purposes. TTH lib can be used as a standard SimScape-Simulink library of components optimized and specifically designed in accordance with the P&ID definitions. Finally, an automatic code generation procedure has been developed, so TTH simulation models can be directly assembled from the P&ID schemes and technical documentation including detailed informations of sensor and measurement system.
Characterization of Optical and Electrical Properties of Transparent Conductive Boron-Doped Diamond thin Films Grown on Fused Silica
Authors: Bogdanowicz Robert
Published: December 2014

Abstract A conductive boron-doped diamond (BDD) grown on a fused silica/quartz has been investigated. Diamond thin films were deposited by the microwave plasma enhanced chemical vapor deposition (MW PECVD). The main parameters of the BDD synthesis, i.e. the methane admixture and the substrate temperature were investigated in detail. Preliminary studies of optical properties were performed to qualify an optimal CVD synthesis and film parameters for optical sensing applications. The SEM micro-images showed the homogenous, continuous and polycrystalline surface morphology; the mean grain size was within the range of 100-250 nm. The fabricated conductive boron-doped diamond thin films displayed the resistivity below 500 mOhm cm-1 and the transmittance over 50% in the VIS-NIR wavelength range. The studies of optical constants were performed using the spectroscopic ellipsometry for the wavelength range between 260 and 820 nm. A detailed error analysis of the ellipsometric system and optical modelling estimation has been provided. The refractive index values at the 550 nm wavelength were high and varied between 2.24 and 2.35 depending on the percentage content of methane and the temperature of deposition.
The Uniate church with three “towers” in the village of Michale on the Bug
Authors: Sygowski Pawel
Published: December 2014

The specificity of cultural tradition of the Uniate Church in the Commonwealth [Republic] of Poland was the integration of elements of the Eastern and the Western Church tradition. This process intensified throughout the 18th century and was observable first of all in the church interiors as well as in architecture. The result of assimilation of Latin elements was inter alia similarities in the appearance of Uniate and Catholic churches - more often in the western and northern regions of the Metropolitan Archdiocese of Kiev. In the church interior, the iconostasis was replaced by a set of Baroque altars - the main and usually two side ones. Pews, pulpits, confessionals and even pipe organs appeared. In the Eastern-Church architecture the three-part layout (the chancel, nave, and women’s section) was replaced by the two-part layout (the chancel and the large rectangular nave covered by gabled roofs with an ave-bell turret). The richest form of the Latinized Uniate church body was the churches with the two-tower front facade (inter alia Buśno, Kodeniec, Dywin [Dzivin], Hołoby [Goloby], Olble). After the Partitions, new patterns of Orthodox Church architecture were introduced in the Russian partition, in particular after the liquidation of the Uniate Church (in the Russian Empire - 1839, in the Kingdom of Poland - 1875). Uniate churches were replaced by Orthodox churches built in the Russian “national” style. After the devastations caused by the two World Wars, after the practice of demolishing Orthodox churches in the Lublin region in 1938, and after demolishing them under the Soviet Union and People’s Poland, there are very few Uniate churches left. In order to have a complete picture of the Uniate religious tradition, archives have to be searched (records of inspections, and inventories). The inspection records of 1788 describe the Uniate church (built in 1751) in the village of Michale on the Bug as one with “three towers”. The records show a similar description of the no longer extant Uniate church in Wielka Hłusza (Velyka Hlusha) in Volhynia: according to a later description it had two towers with a prominent ave-bell turret. It could be assumed that the Uniate church in Michale had a similar appearance. This church, converted in 1881 in the Russian “national” style”, completely lost its former appearance.
Intimate images of death in contemporary Polish documentaries
Authors: Tes Urszula
Published: December 2014

The theme of death in contemporary Polish documentary cinema is increasingly present, which is distinctly evidenced by the creative works of Marcin Koszałka, who debunks one more social taboo. The author of the paper is interested in the intimate presentation of death, which, on the one hand, has a provocative dimension, and, on the other, it stems from the personal need to confess, which is carried out by the film alter egos of Koszałka, for example by his sister in Ucieknijmy od niej [Let’s run away from her] or by Piotr Korczak in Deklaracja nieśmiertelności [Declaration of Independence]. The films made by Koszałka - the author of Istnienie [The Existence] are based on baroque concepts which, by shocking the audience with their form, are meant to ask fundamental existential questions. Koszałka’s creative output is viewed by scholars first of all from the standpoint of self-treatment, which seems insuficient: when analyzing Koszałka’s films, it is impossible to avoid an ethical or existentialist perspective Another interesting and separate example of intimate presentation of the death theme is the film by Adam Sikora Paweł [Paul], which presents the Mikołów Institute director suffering from cancer: the camera accompanies Paweł Targiel’s “confession”, which reveals the stream of consciousness of the departing man. These extremely different presentations: baroque pieces by Koszałka and ascetic ones by Sikora essentially ask the same questions about the limits of documentary cinema.
Modified hypoosmotic swelling test for the assessment of boar and bull sperm sensitivity to cryopreservation
Authors: Přinosilová Petra , Kopecká Věra , Hlavicová Jaroslava , Kunetková Monika
Published: December 2014

Routine methods for the evaluation of sperm quality are not sufficiently useful to determine the sensitivity of sperm cells to cold shock. The aim of our preliminary study was to determine whether the sperm plasma membrane integrity evaluated by modified hypoosmotic swelling test based on simple hypoosmotic swelling test (HOS test) and eosin-nigrosin staining could be helpful in predicting the degree of boar sperm survivability during semen cryopreservation. Ejaculates collected from 24 boars and 20 bulls were used in the experiment. Fresh ejaculates were evaluated by routine sperm analysis and a modified HOS test, and subsequently frozen. Sperm cryosurvivability was defined as the percentage of motile spermatozoa that survived the freezing process. A higher percentage of sperm was recovered after the thawing of semen with a higher percentage of HOS-positive and eosin-negative sperm (P < 0.01). Both indicators were found to be correlated (r = 0.707 and r = 0.705, respectively; P < 0.01). Moreover, the percentage of HOS-positive and eosin-negative sperm was similar to the percentage of viable sperm after thawing as determined by traditional eosin-nigrosin staining in boars (50.90 ± 9.88% and 49.31 ± 11.63%, respectively) and bulls (55.91 ± 10.34% and 55.63 ± 6.64%, respectively) and both indicators showed a positive correlation (r = 0.558 and r = 0.504, respectively; P < 0.05). In conclusion, based on the obtained results, we can assume that the modified HOS test can detect differences in sperm membrane resistance which allows assessment of semen quality from the perspective of its further use, e.g. cryopreservation.
Polyphenolic Profile, Antioxidant and Anti-Inflammatory Activity of Eastern Teaberry (Gaultheria procumbens L.) Leaf Extracts
Authors: Michel Piotr , Dobrowolska Anna , Kicel Agnieszka , Owczarek Aleksandra , Bazylko Agnieszka , Granica Sebastian , Piwowarski Jakub , Olszewska Monika
Published: December 2014

Dry leaf extracts of eastern teaberry (Gaultheria procumbens L.) were evaluated as a source of bioactive phytocompounds through systematic activity testing and phytochemical profiling. The antioxidant efficiency was tested using five complementary in vitro models (DPPH; FRAP; linoleic acid (LA) peroxidation assay; O2•− and H2O2 scavenging tests) in parallel with standard antioxidants. The 75% methanol extract and its diethyl ether, ethyl acetate (EAF), n-butanol and water fractions exhibited the dose-dependent responses in all assays, with the highest capacities found for EAF (DPPH EC50 = 2.9 μg/mL; FRAP = 12.8 mmol Fe2+/g; IC50 for LA-peroxidation = 123.9 μg/mL; O2•− SC50 = 3.9 μg/mL; H2O2 SC50 = 7.2 μg/mL). The EAF had also the highest anti-inflammatory activity in the inhibition tests of lipoxygenase and hyaluronidase (60.14% and 21.83% effects, respectively, at the concentration of 100 μg/mL). Activity parameters of the extracts correlated strongly with the levels of total phenolics (72.4–270.7 mg GAE/g), procyanidins, and phenolic acids, whereas for flavonoids only moderate effects were observed. Comprehensive UHPLC-PDA-ESI-MS3 and HPLC-PDA studies led to the identification of 35 polyphenols with a procyanidin A-type trimer, quercetin 3-O-glucuronide, isomers of caffeoylquinic acids, and (‒)-epicatechin being the dominant components. Significant activity levels, high phenolic contents and high extraction yields (39.4%–42.5% DW for defatted and crude methanol extracts, respectively) indicate the value of eastern teaberry leaves as bioactive products.
Current Trends in Nanomaterial-Based Amperometric Biosensors
Authors: Hayat Akhtar , Catanante Gaëlle , Marty Jean
Published: December 2014

The last decade has witnessed an intensive research effort in the field of electrochemical sensors, with a particular focus on the design of amperometric biosensors for diverse analytical applications. In this context, nanomaterial integration in the construction of amperometric biosensors may constitute one of the most exciting approaches. The attractive properties of nanomaterials have paved the way for the design of a wide variety of biosensors based on various electrochemical detection methods to enhance the analytical characteristics. However, most of these nanostructured materials are not explored in the design of amperometric biosensors. This review aims to provide insight into the diverse properties of nanomaterials that can be possibly explored in the construction of amperometric biosensors.
Preparing Faculty and Students for an International Nursing Education Experience
Authors: Robinson Kim , Sportsman Susan , Eschiti Valerie S. , Bradshaw Pam , Bol Todd
Published: December 2014

As society becomes increasingly globalized, it is imperative to include international educational perspectives in the nursing profession. This article shares experiences of a university and hospital in facilitating education of students of nursing from India. It includes implementing partnerships, student selection process, and transcultural considerations. These considerations include faculty preparation for receiving students from India. In addition, ways to prepare Indian and U.S. students are examined.
Knowing Who Your Partners Are: Terrorism-Preparedness Training for Nurses
Authors: Wetta-Hall Ruth , Fredrickson Doren D. , Ablah Elizabeth , Cook David J. , Molgaard Craig A.
Published: December 2014

Continuing education events addressing terrorism preparedness must be evaluated to measure their impact on knowledge acquisition and to assess changes in perceptions, attitudes, and beliefs. The purpose of this focus group study was to evaluate the effectiveness of a terrorism-preparedness training program. The majority of participants thought the training content was extensive, detailed, informative, and practical. Participants reported feeling increased confidence in their abilities to anticipate, recognize, and respond to a terrorist event, and said they made changes related to terrorism preparedness in their homes, workplaces, and communities. This evaluation was useful in identifying strengths and weaknesses of a statewide continuing education program and describing future training needs. Results may be useful to others who are planning terrorism-preparedness training.
Cloud Scalability Measurement and Testing
Authors: Bai Xiaoying , Gao Jerry , Tsai Wei-Tek
Published: December 2014

Cloud computing introduces a new paradigm for software deployment, hosting, and service renting. Based on the XaaS architecture, a large number of users may share computing resources, platform services, and application software in a multi-tenancy approach. To ensure service availability, the system needs to support an advanced level of massive scalability so that it can provide necessary resources on demand following the pay-per-use pricing model. This chapter analyzes the unique requirements of cloud performance and scalability, compared with traditional distributed systems. Measurements are proposed with performance indicators, meters, and metrics identified from different perspectives. To support scalability testing in a dynamic environment, an agent-based testing framework is proposed to facilitate adaptive load generation and simulation using a two-layer control architecture.
Key Legal Issues with Cloud Computing
Authors: De Silva Sam
Published: December 2014

The chapter considers the key legal issues with cloud computing, including: (1) liability for service failure; (2) service levels and service credits; (3) intellectual property issues; and (4) jurisdiction and governing law.
Cloud Bioinformatics in a Private Cloud Deployment
Authors: Chang Victor
Published: December 2014

This chapter describes service portability for a private cloud deployment, including a detailed case study about Cloud Bioinformatics services developed as part of the Cloud Computing Adoption Framework (CCAF). The Cloud Bioinformatics design and deployment is based on Storage Area Network (SAN) technologies, details of which include functionalities, technical implementation, architecture, and user support. Bioinformatics applications are written on the SAN-based private cloud, which can simulate complex biological sciences and present them in a way that anyone without prior knowledge can understand. Several bioinformatics results are discussed, particularly brain segmentation, which demonstrates different parts of the brain simulated by the private cloud. In addition, benefits of CCAF are illustrated using several bioinformatics examples such as tumour modelling, brain imaging, insulin molecules, and simulations for medical training. The Cloud Bioinformatics solution offers cost reduction, time-saving, and user friendliness.
Three Dimensional Volunteered Geographic Information
Authors: Brovelli Maria Antonia , Minghini Marco , Zamboni Giorgio
Published: December 2014

The dawn of GeoWeb 2.0, the geographic extension of Web 2.0, has opened new possibilities in terms of online dissemination and sharing of geospatial contents, thus laying the foundations for a fruitful development of Volunteered Geographic Information (VGI) systems. The purpose of the study is to investigate the extension of VGI applications, which are quite mature in the traditional bi-dimensional framework, up to the third dimension by means of virtual globes. Inspired by the visionary idea of Digital Earth, virtual globes are changing the way people approach to geographic information on the Web. Unlike the 2D visualization typical of Geographic Information Systems (GIS), virtual globes offer multi-dimensional, fully-realistic content visualization which allows for a much richer user experience. The proposed system should couple a powerful 3D visualization with an increase of public participation thanks to a tool allowing data collecting from mobile devices (e.g. smartphones and tablets). The participative application, built using the open source NASA World Wind virtual globe, is focused on the cultural and tourism heritage of Como city, located in Northern Italy. Users can create and manage customized projects and populate a catalogue of cartographic layers which is available to the entire community. Together with historical maps and the current cartography of the city, the system is also able to manage geo-tagged data, which come from user field-surveys performed through mobile devices in order to report POIs (Points Of Interest). Users can also extend POIs information adding more textual and multimedia contexts (e.g. images, audios and videos) directly on the globe. All in all, the resulting application allows users to create and share contributions as it usually happens on social platforms, additionally providing a realistic 3D representation enhancing the expressive power of data.
Organizational Sustainability
Authors: Rahman Hakikur
Published: December 2014

An organization with its capacity to endure, add value and promote value chain could be seen as a sustainable organization. Sustainability could be in the form of short-medium-and-long term effect to an entity. To an organization, in this global economic crisis and increased competition, long term sustainability means to be able to compete, gain margin, and add knowledge, notwithstanding mere survival. Through the utilization of the information and communication technology, organizations are now can adopt various business techniques to tackle or minimize risks, reduce costs, and make profit. Among many such techniques, this particular research looks into the aspects of agility within organizations that may lead to sustained business platform. This paper tries to argue that an organization with this characteristic, in the longer run, can lead to sustainability and elevate the business intelligence. In discourse, through a vertical literature review, this study has tried to construct a framework of sustainability with this aspect of an organization and thereby proposed a business model for ideation and future implementation. The research intends to add values to operational capability of an organization, especially considering challenging situations, such as lack of awareness, low financial capability, and high risk of investment within the social and organizational eco-systems.
Emerging Information Technology and Knowledge Management Capacity for Nonprofit Organizations
Authors: Rahman Mohammad Anwar , Raihan Abu , Nakka Rajitha
Published: December 2014

Advances in information technology (IT) improve functionality for major nonprofit organizations. Due to increased expectations, service needs and peer competition, nonprofits must prepare to incorporate IT-related resources such as emerging technology planning, web- based collaborative processes and constrained resource planning to obtain technological innovation and higher performance. The effective use of constrained resource management is crucial for the success of nonprofits. Although nonprofit organizations are familiar with common IT resources and applications, wide application of new methods and technology is required to build inter-dependent information resources and real-time decision making capacity. Nonprofit resource planning such as tracking inventory level, planning replenishment, and receiving continuous information updates can be measured through enterprise resource planning (ERP) and electronic supply chain (e-SC) management. IT implementation of ERP and e-SC in nonprofits contribute to improve collaboration among donors, partner organizations, governmental agencies, staff members, volunteers, local experts, clients and recipients. This article addresses critical IT procedures and emerging IT practices to improve nonprofit performance. The overall goal is to focus IT implementation in nonprofits to develop road maps to guide organization pathways, track progress and measure success for public services.
ISO 15189:2012 Management Requirements for Cytopathology Laboratory Information Systems
Authors: Pouliakis Abraham , Athanasiadi Elena , Karakitsou Efrossyni , Archondakis Stavros , Mourtzikou Antonia , Stamouli Marilena , Spathis Aris , Kottaridi Christine , Karakitsos Petros
Published: December 2014

During the last decade, there is an increasing need for quality improvement of medical laboratories via the use of quality related standards. Recently regulatory bodies suggest and sometimes enforce the application of ISO 15189, which is designed especially for medical laboratories. Despite the standard does oblige the application of Laboratory Information Systems (LISs), it is evident that without a LIS it is difficult for laboratories to operate efficiently. Modern cytopathology laboratories form complex systems composed of a multidisciplinary human team coupled with medical modalities and capabilities. Hopefully, such laboratories have well standardized and defined workflow. The adoption of the standard, creates numerous management requirements, introduces new functions and associated overhead. In this paper, we present design and implementation issues of an enhanced LIS to support ISO 15189 in a cytopathology laboratory. The LIS designed around ISO 15189 management requirements can improve, enhance and facilitate the standard application and adoption.
Analysis and Evaluation of Software Artifact Reuse Environments
Authors: Mahmood Sajjad , Ahmed Moataz , Alshayeb Mohammad
Published: December 2014

Software reuse enables the development of software that is of better quality and at lower cost. Software reuse environments are sought to enhance the reuse of software artifacts especially when done at early-stage of the software life cycle. A number of software reuse environments have been proposed, however, there is no framework that helps in analyzing and evaluating such environments. In this paper the authors provide an attribute-based framework to analyze, evaluate, classify and compare the reuse environments in order to aid practitioners and researchers to select the appropriate reuse environments for their use. The authors first present a survey of existing reuse environments for systematic reuse of software artifacts. Then, they use the framework to analyze those reuse environments. The evaluation of existing environments provides an understanding of current reuse approaches and identifies gaps for future research.
The Influence of the Central Electrode Material on Coaxial Magnetic Plasma Accelerator Operation
Authors: Shatrova Ksenia , Shanenkov Ivan , Pak Alexander Y.
Published: December 2014

Materials based on carbon and nitrogen, and tungsten carbides exhibit catalytic properties that allow implementing the production of hydrogen from water. These materials can be prepared by various techniques, including the method of plasma dynamic synthesis in the electro-discharge plasma jet generated by a coaxial magnetic plasma accelerator. The device is experimental and requires further research and modification. The paper presents obtained operating parameters of the coaxial magnetic plasma accelerator in dependence on the material from which the central electrode is made.
Development of the Thermal Equivalent Circuit for Evaluating the Capacity of High Voltage Cables in Real Time
Authors: Zaytsev Evgeny , Lebedev Vladimir
Published: December 2014

The authors of this paper justify the construction of the thermal equivalent circuit for a three-phase high voltage cable line that describes the transient thermal processes in the cross section of the line. According to the authors, the proposed scheme, if taken as a basis, allows to solve the task of evaluating the power capacity of high-voltage cable lines in real-time and predict heating of cables with the aim to prevent thermal degradation of the insulation.
Origin and Development of the Stress-Corrosion Defects in Large Diameter Steel Pipes of High-Pressure Gas Pipelines
Authors: Afanasyev Alexey , Melnikov Alexey , Vaskov Maxim
Published: December 2014

This study presents the results of research of the stress corrosion defects detected at the compressor station gas pipeline. The effect of high-cycle fatigue on the development of such defects was found between the linear dimensions of the stress corrosion crack.
Measurement of Liquid Droplet Evaporation Rate under the Conditions of Intense Heating
Authors: Orlova Evgenija , Feoktistov Dmitriy
Published: December 2014

This paper presents an experimental study of the evaporation of a sessile water-sodium chlorides solution drop to open atmosphere on the solid substrate (anodized aluminum) under the varying heat flux. The main parameters defining drop profile, i. e., contact diameter, contact angle, and height of the drop have been obtained. Specific evaporation rate has been calculated. According to the data analysis it was found, that the sessile water-sodium chlorides solution drop with the highest concentration (16.7%) evaporates in the "reverse depinning" mode. So, there is movement of the contact line in the direction of increasing the surface occupied by the drop. The sessile water and water-sodium chlorides solution drop with 4.8% and 9.1% concentration evaporates in the contact line pinning mode. The influence of the initial concentration of the evaporated solution on the contact angle and the specific evaporation rate was found out.
Semantically Linking in Silico Cancer Models
Authors: Johnson David , Connor Anthony J. , Mckeever Steve , Wang Zhihui , Deisboeck Thomas S. , Quaiser Tom , Shochat Eliezer
Published: December 2014

Multiscale models are commonplace in cancer modeling, where individual models acting on different biological scales are combined within a single, cohesive modeling framework. However, model composition gives rise to challenges in understanding interfaces and interactions between them. Based on specific domain expertise, typically these computational models are developed by separate research groups using different methodologies, programming languages, and parameters. This paper introduces a graph-based model for semantically linking computational cancer models via domain graphs that can help us better understand and explore combinations of models spanning multiple biological scales. We take the data model encoded by TumorML, an XML-based markup language for storing cancer models in online repositories, and transpose its model description elements into a graph-based representation. By taking such an approach, we can link domain models, such as controlled vocabularies, taxonomic schemes, and ontologies, with cancer model descriptions to better understand and explore relationships between models. The union of these graphs creates a connected property graph that links cancer models by categorizations, by computational compatibility, and by semantic interoperability, yielding a framework in which opportunities for exploration and discovery of combinations of models become possible.
Effects of Delayed Mating and Access to Water on Oviposition and Longevity in Female Amyelois transitella
Authors: Burks Charles S.
Published: December 2014

The navel orangeworm, Amyelois transitella (Walker) (Lepidoptera: Pyralidae), is a key pest of high-value irrigated nut crops in the arid Central Valley of California. Mating disruption is an established pest management technique for this pest, with reduced non-target impacts. This study compared laboratory survivorship and fertility data with field measurements to improve understanding of factors determining abundance of this species in the presence and absence of mating disruption. While the relative humidity is generally higher in almond orchards compared to readings from meteorological stations, the data indicate little free water in the absence of irrigation. Access to free water has a minor effect on the fertility of females if they mate soon after emergence, but a major effect if mating is delayed for 7 days. Leslie matrix projections indicate that changes in adult survivorship have much less impact than changes in larval survivorship. These findings indicate that control tactics limiting reproduction and survival of immature stages are more important for this species than those targeting adults.
O processo de gestão de desenvolvimento do espaço público na universidade: uma prática educativa e social
Authors: Búrigo Carla Cristina Dutra , Ramos Cléia Silveira
Published: December 2014

O presente artigo tem por objetivo refletir sobre o desenvolvimento do espaço público, na universidade pública federal, como uma prática educativa e social. Este estudo parte dos resultados de pesquisa realizada na Universidade Federal de Santa Catarina (UFSC), sobre a publicização das solenidades de colação de grau, em nível de graduação (RAMOS, 2012). A partir da década de 90, as formaturas da UFSC foram privatizadas sendo, no ano de 2004, resgatado o seu caráter público. A partir dos resultados da pesquisa, foi possível observar fortes evidências de que a formatura pública é envolvida por relações de mediações que refletem diretamente no seu caráter público, democrático e isonômico. Assim, ela se constitui em um processo que se apresenta em constante movimento, contribuindo para a organização ou para a desorganização do espaço público e da identidade da Universidade como instituição social. A Universidade é uma instituição complexa caracterizada pela diversidade da sua comunidade interna e externa. Aliado a isto, as relações que se manifestam no seu fazer diário, diante das políticas públicas educacionais, fazem com que a formatura como uma prática educativa e social, de organização e desenvolvimento do espaço público, demande ações para o fortalecimento da Universidade como instituição social.
Surface-to-mountaintop transport characterised by radon observations at the Jungfraujoch
Authors: Griffiths A. D. , Conen F. , Weingartner E. , Zimmermann L. , Chambers S. D. , Williams A. G. , Steinbacher M.
Published: December 2014

Abstract. Atmospheric composition measurements at Jungfraujoch are affected intermittently by boundary-layer air which is brought to the station by processes including thermally driven (anabatic) mountain winds. Using observations of radon-222, and a new objective analysis method, we quantify the land-surface influence at Jungfraujoch hour by hour and detect the presence of anabatic winds on a daily basis. During 2010–2011, anabatic winds occurred on 40% of days, but only from April to September. Anabatic wind days were associated with warmer air temperatures over a large fraction of Europe and with a shift in air-mass properties, even when comparing days with a similar mean radon concentration. Excluding days with anabatic winds, however, did not lead to a better definition of the unperturbed aerosol background than a definition based on radon alone. This implies that a radon threshold reliably excludes local influences from both anabatic and non-anabatic vertical-transport processes.
Derivation and evaluation of landslide-triggering thresholds by a Monte Carlo approach
Authors: Peres D. J. , Cancelliere A.
Published: December 2014

Abstract. Assessment of landslide-triggering rainfall thresholds is useful for early warning in prone areas. In this paper, it is shown how stochastic rainfall models and hydrological and slope stability physically based models can be advantageously combined in a Monte Carlo simulation framework to generate virtually unlimited-length synthetic rainfall and related slope stability factor of safety data, exploiting the information contained in observed rainfall records and field-measurements of soil hydraulic and geotechnical parameters. The synthetic data set, dichotomized in triggering and non-triggering rainfall events, is analyzed by receiver operating characteristics (ROC) analysis to derive stochastic-input physically based thresholds that optimize the trade-off between correct and wrong predictions. Moreover, the specific modeling framework implemented in this work, based on hourly analysis, enables one to analyze the uncertainty related to variability of rainfall intensity within events and to past rainfall (antecedent rainfall). A specific focus is dedicated to the widely used power-law rainfall intensity–duration (I–D) thresholds. Results indicate that variability of intensity during rainfall events influences significantly rainfall intensity and duration associated with landslide triggering. Remarkably, when a time-variable rainfall-rate event is considered, the simulated triggering points may be separated with a very good approximation from the non-triggering ones by a I–D power-law equation, while a representation of rainfall as constant–intensity hyetographs globally leads to non-conservative results. This indicates that the I–D power-law equation is adequate to represent the triggering part due to transient infiltration produced by rainfall events of variable intensity and thus gives a physically based justification for this widely used threshold form, which provides results that are valid when landslide occurrence is mostly due to that part. These conditions are more likely to occur in hillslopes of low specific upslope contributing area, relatively high hydraulic conductivity and high critical wetness ratio. Otherwise, rainfall time history occurring before single rainfall events influences landslide triggering, determining whether a threshold based only on rainfall intensity and duration may be sufficient or it needs to be improved by the introduction of antecedent rainfall variables. Further analyses show that predictability of landslides decreases with soil depth, critical wetness ratio and the increase of vertical basal drainage (leakage) that occurs in the presence of a fractured bedrock.
Numerical experiments of storm winds, surges, and waves on the southern coast of Korea during Typhoon Sanba: the role of revising wind force
Authors: Yoon J. J. , Shim J. S. , Park K. S. , Lee J. C.
Published: December 2014

Abstract. The southern coastal area of Korea has often been damaged by storm surges and waves due to the repeated approach of strong typhoons every year. The integrated model system is applied to simulate typhoon-induced winds, storm surges, and surface waves in this region during Typhoon Sanba in 2012. The TC96 planetary boundary layer wind model is used for atmospheric forcing and is modified to incorporate the effect of the land's roughness on the typhoon wind. Numerical experiments are carried out to investigate the effects of land-dissipated wind on storm surges and waves using the three-dimensional, unstructured grid, Finite Volume Coastal Ocean Model (FVCOM), which includes integrated storm surge and wave models with highly refined grid resolutions along the coastal region of complex geometry and topography. Compared to the measured data, the numerical models have successfully simulated storm winds, surges, and waves. Better agreement between the simulated and measured storm winds has been found when considering the effect of wind dissipation by land roughness. In addition, this modified wind force leads to clearly improved results in storm surge simulations, whereas the wave results have shown only slight improvement. The study results indicate that the effect of land dissipation on wind force plays a significant role in the improvement of water level modeling inside coastal areas.
Mean circulation in the coastal ocean off northeastern North America from a regional-scale ocean model
Authors: Chen K. , He R.
Published: December 2014

Abstract. A regional-scale ocean model was used to hindcast the coastal circulation over the Middle Atlantic Bight (MAB) and Gulf of Maine (GOM) from 2004 to 2013. The model was nested inside a data assimilative global ocean model that provided initial and open boundary conditions. Realistic atmospheric forcing, tides and observed river runoff were also used to drive the model. Hindcast solutions were compared against observations, which included coastal sea levels, satellite altimetry sea surface height, temperature and salinity time series in the GOM, glider transects in the MAB, and observed mean depth-averaged velocities by Lentz (2008a). Good agreements with observations suggest that the hindcast model is capable of capturing the major circulation variability in the MAB and GOM. Time- and space-continuous hindcast fields were used to depict the mean circulation, along- and cross-shelf transport and the associated momentum balances. The hindcast confirms the presence of the equatorward mean shelf circulation, which varies from 2.33 Sv at Scotian Shelf to 0.22 Sv near Cape Hatteras. Using the 200 m isobath as the shelf/slope boundary, the mean cross-shelf transport calculations indicate that the shelfbreak segments off the Gulf of Maine (including the southern flank of Georges Bank and the Northeast Channel) and Cape Hatteras are the major sites for shelf water export. The momentum analysis reveals that the along-shelf sea level difference from Nova Scotia to Cape Hatteras is about 0.36 m. The nonlinear advection, stress, and horizontal viscosity terms all contribute to the ageostrophic circulation in the along-isobath direction, whereas the nonlinear advection plays a dominant role in determining the ageostrophic current in the cross-isobath direction.
PREVALÊNCIA E CORRELAÇÃO ENTRE INFECÇÃO URINÁRIA, Actinomyces suis E ALGUNS PARÂMETROS FÍSICOS E QUÍMICOS DA URINA EM PORCAS GESTANTES
Authors: ALBERTON GERALDO CAMILO
Published: December 2014

O presente trabalho teve o objetivo principal de determinar a prevalência de infecção urinária e a prevalência de Actinomyces suis na urina de 1745 porcas gestantes da região Sul do Brasil. As porcas eram criadas em confinamento, em granjas que apresentavam problemas reprodutivos e criadas ao ar livre em granjas que não apresentavam problemas reprodutivos. A presença do A. suis na urina foi determinada através de imunofluorescência indireta. Foram consideradas portadoras de infecção urinária as porcas que apresentaram nitritúria e/ou hematúria. Adicionalmente, estudaram-se alguns parâmetros físicos e químicos da urina para verificar suas significâncias no diagnóstico presuntivo de infecção urinária. A prevalência de infecção urinária foi de 29,54% para as porcas criadas em confinamento e de 16,46% para as porcas criadas ao ar livre. A prevalência geral de infecção urinária foi de 28,31%. Observouse a presença do A. suis na urina de 22,24% das porcas criadas em confinamento e em 6,71% das porcas criadas ao ar livre. A prevalência geral de A. suis foi de 20,63 %. Observou-se correlação negativa entre infecção urinária e A. suis, ou seja, as porcas que apresentaram infecção urinária tinham menor prevalência de A. suis (13,67%) do que as que não a apresentaram (23,12%). Da mesma forma, as porcas portadoras de A. suis, tinham menor prevalência de infecção urinária (17,43%) do que as não portadoras (28,62 %). Apenas 3,60% das porcas examinadas eram positivas para infecção urinária e A. suis simultaneamente. Conclui-se a partir destes resultados que as porcas podem ser portadoras sadias do A. suis e que este microrganismo pode competir com microrganismos eventualmente capazes de causar infecção urinária. Por outro lado, observou-se correlação entre hematúria e a presença de A. suis na urina. Deste modo, das 32 porcas que apresentavam hematúria, 75% eram portadoras de A. suis, o que demonstra que quando a infecção urinária é acompanhada de hematúria, geralmente o A. suis está participando da patogenia da infecção. Também foi possível observar correlação entre hematúria e nitritúria. Tendo em vista que o A. suis não transforma nitrato em nitrito, pode-se concluir que infecções urinárias causadas pelo A. suis geralmente são mistas. A cor predominante da urina foi o amarelo claro, tanto para as porcas portadoras ou não portadoras de infecção urinária ou de A. suis. Constatou-se a presença de turbidez em 83,15% das amostras, sendo que em 96,18% das amostras turvas observou-se a presença de cristais. O pH da urina foi de 6,51, não diferindo para as porcas portadoras de infecção urinária ou de A. suis. A densidade média da urina foi de 1,016. Observou-se correlação entre infecção urinária e proteinúria. Foi observado proteinúria em 29,47% das amostras. Constatou-se cristalúria em 54,90% das amostras examinadas. Contudo, não se observou correlação entre infecção urinária e a presença de cristais na urina.
INCIDÊNCIA DE OVOS DO GÊNERO Toxocara STILES, 1905 EM VINTE LOGRADOUROS PÚBLICOS NA CIDADE DE CURITIBA, PARANÁ-BRASIL
Authors: LEITE LUIZ CARLOS
Published: December 2014

O objetivo do presente trabalho foi o de verificar a presença de ovos de Toxocara spp. no solo de logradouros públicos na cidade de Curitiba - Pr., que possui 282 áreas de recreação, distribuídas entre jardinetes, parques, praças públicas e outros, em 68 bairros. Nos meses de janeiro e fevereiro de 1994 e janeiro e fevereiro de 1995, foram estudadas 400 amostras - 200 de solo e 200 de fezes de cães e gatos depositadas no solo de 20 locais públicos, determinados por sorteio após a divisão da cidade em quatro quadrantes. As amostras de solo foram coletadas de cinco pontos distintos das áreas de lazer, uma no centro e uma em cada uma das quatro extremidades, num total de 1250 g. (250 g. por amostra). As fezes depositadas no solo foram recolhidas ao redor dos locais destinados à recreação infantil, no total de cinco amostras por logradouro. Em laboratório, as amostras de solo e de fezes foram examinadas através das técnicas descritas por WILLIS e por HOFFMANN, PONS e JANER, em microscópio óptico. Quatro das 200 amostras de solo estudadas (2,0%) estavam contaminadas com ovos de Toxocara spp., enquanto que oito das 200 amostras de fezes pesquisadas (4,0%) apresentaram resultado positivo para Toxocara spp. Os resultados demonstraram a contaminação dos solos de 8 logradouros (40,0%), alguns deles próximos ao centro da cidade de Curitiba.
ESTUDO DAS ALTERAÇÕES CLÍNICAS E ANATOMOPATOLÓGICAS OBSERVADAS EM OVINOS (Ovis aries) INTOXICADOS EXPERIMENTALMENTE COM A PLANTA ESPIRRADEIRA (Nerium oleander L.)
Authors: KRYCHAK SYLVANA
Published: December 2014

Foram avaliados parâmetros físicos e alterações anatomopatológicas de ovinos (Ovis aries) intoxicados experimentalmente com suspensão aquosa triturada de partes aéreas de Nerium oleander (espirradeira). A planta foi administrada a cordeiros de 3 meses de idade, divididos em 4 grupos compostos de 3 animais cada (grupos I, II, III e IV) e mais 1 grupo (V) mantido como testemunha, composto por 2 animais. A suspensão da planta foi administrada por meio de sonda orogástrica, em doses de 0,75 g/kg, 0,25 g/kg, 0,083 g/kg e 0,027 g/kg, correspondendo aos tratamentos I, II, III e IV, respectivamente. Os ovinos do grupo testemunha (V), receberam apenas água destilada. Os cordeiros foram examinados periodicamente até a morte ou recuperação dos mesmos, totalizando um máximo de 145 horas de avaliações. Todos os animais tratados adoeceram nas primeiras 4 horas após a intoxicação. Quanto aos exames físicos, os animais apresentaram alterações importantes de freqüências cardíaca e respiratória e redução na atividade ruminal. Ocorreu mortalidade em todos os componentes do grupo I, em 2 animais do grupo II, em 1 ovino do grupo III e em nenhum cordeiro do grupo IV. Nos animais que foram a óbito, realizou-se a necrópsia com a avaliação macroscópica de todos os órgãos. Fragmentos de coração, pulmão, fígado, rim, rúmem, duodeno, cérebro e cerebelo foram colhidos, examinados histologicamente e corados pela técnica de hematoxilina de Harris e eosina. Macroscopicamente, foi observado edema, congestão, hemorragias puntiformes, assim como áreas de isquemia nos sistemas respiratório, digestivo e circulatório. Às alterações histológicas observadas seguiram as lesões macroscópicas e incluíram hiperemia, edema intersticial, hemorragia e necrose focal.
ENDOCRINOLOGIA REPRODUTIVA E CONTROLE DA FERTILIDADE DA CADELA - REVISÃO
Authors: OLIVEIRA E.C.S. , MARQUES J⁄NIOR A.P. , NEVES M.M.
Published: December 2014

O aparelho reprodutor da cadela está sujeito a alterações periódicas que estão diretamente relacionadas ao ciclo estral. Estabelecer critérios para a identificação desses estádios, e do período de maior fertilidade da fêmea, é essencial para se determinar o momento ideal para cobertura natural ou inseminação artificial. Nos últimos anos métodos de prevenção ou interrupção da gestação têm sido descritos visando o controle populacional de cães e gatos. As medidas de controle incluem cirurgia, terapia hormonal e, mais recentemente, controle imunológico. A ovariohisterectomia é provavelmente o método de contracepção mais adequado para animais não destinados à reprodução. Nos casos que envolvem a terapia hormonal como método contraceptivo, a precaução na utilização do medicamento no período mais adequado do ciclo é importante para a diminuição do surgimento de afecções uterinas e da glândula mamária. Diante destas observações essa revisão tem como objetivo abordar aspectos relacionados à fisiologia e endocrinologia reprodutiva na cadela, enfatizando o controle reprodutivo e seus efeitos colaterais. Reproductive endocrinology and fertility control in bitches  a review Abstract Bitch reproductive organs of undergo periodical changes during the stages of the estrous cycle. The establishment of features of each stage of the estrous cycle, and the period of female higher fertility, is important for the determination of the optimal days for mating or artificial insemination. In the last decade methods of prevention or termination of pregnancy have been proposed for population growth control of dogs and cats This includes surgery, hormonal therapy and, more recently, immunological control. Ovaryhysterectomy is probably the best method of contraception for bitches not intended for breeding. In cases where hormones are used as a method for contraception, it is important to know the precise stages of the cycle to avoid possible side effects, like uterine or mammary gland diseases. The main concerns of the present review are the reproductive physiology and endocrinology of the bitch and the methods for contraception and possible side effects induced by such procedure.