bluuebunny/crossref_metadata_2025_split huggingface dataset:
Varicose vein surgery in elderly patients: What needs to be considered?
Authors: Mumme A. , Dünnweber M. 
Published: July 2017

SummaryThe need for invasive therapeutic measures in patients with varicose veins increases in an ageing population. Modern varicose vein surgery is particularly suitable for this age group, precisely because the stage of the disease is often advanced in geriatric patients. Gentle surgical techniques, such as invaginated stripping, cause the least possible operative trauma and are therefore especially suitable for the aged body. Less stressful anaesthetic techniques, such as tumescence, spinal anaesthesia or total intravenous anaesthesia with the use of a laryngeal tube, are likewise particularly well-suited for the treatment of geriatric patients with varicose veins.Special criteria regarding the ASA classification and anticoagulation must be applied when considering the perioperative risk in frequently multimorbid geriatric patients. Very few complications generally occur in patients at ASA stages 1 and 2 and under single anticoagulant therapy, and surgery is feasible even in elderly people. In the case of existing phenprocoumon treatment, bridging should be critically considered on a case-by-case basis. Perioperative prevention and management of hypothermia and special procedures to obtain postoperative convalescence should also be adapted to the particular needs of the elderly patient.
Dementia – a diagnostic and therapeutic challenge
Authors: Weyer K. 
Published: July 2017

SummaryDementia is characterized as a progredient loss of memory, thinking and socials skills leading to need for help in everyday activities till complete dependence on help. Beside decline of mental abilities patients also develop non-cognitive symptoms like euphoria, depression or agitation. In contrast “mild cognitive impairment” describes limited cognitive function but obtained independence in activities of daily life. The prevalence of dementia is age-related, showing an average prevalence of 4 % in 65–70 year old people. While primary dementias are still incurable, there are also dementia-like conditions which can potentially be reversed by appropriate treatment. Of great importance for the diagnosis of dementia is the assessment of the medical history both given by the patient himself as well as family members or care givers. Brief cognitive assessment tools can help to detect possible cognitive impairment. The diagnostic workup also includes a clinical examination, laboratory tests and CT/ MRI Scan. Treatment strategies depend on pathogenesis and leading symptoms. Psychosocial interventions and pharmacological therapy are used.
Understanding Consumers’ Attitudes Toward Controversial Information Technologies: A Contextualization Approach
Authors: Breward Michael , Hassanein Khaled , Head Milena 
Published: July 2017

Controversial information technologies, such as biometrics and radio frequency identification, are perceived as having the potential to both benefit and undermine the well-being of the user. Given the type and/or amount of information these technologies have the capability to capture, there have been some concerns among users and potential users. However, prominent technology adoption models tend to focus on only the positive utilities associated with technology use. This research leverages net valence theories, which incorporate both positive and negative utilities, and context of use literature to propose a general framework that can be used for understanding consumer acceptance of controversial information technologies. The framework also highlights the importance of incorporating contextual factors that reflect the nuances of the controversial technologies and their specific context of use. We apply the framework to consumer acceptance of biometric identity authentication for banking transactions through automated teller machines. To that end, we contextualize the core construct of perceived benefits and concerns to this domain in a qualitative study of 402 participants, determine the appropriate contextual factors that are antecedents of the contextualized core constructs by examining relevant past research, and then develop and validate a contextualized research model in a quantitative study of 437 participants. Findings support the validity of our framework, with the model explaining 77.6% of the variance in consumers’ attitudes toward using biometrics for identity authentication at automated teller machines. The online appendix is available at https://doi.org/10.1287/isre.2017.0706 .
Omnichannel Service Operations with Online and Offline Self-Order Technologies
Authors: Gao Fei , Su Xuanming 
Published: July 2017

Many restaurants have recently implemented self-order technologies across both online and offline channels. Online technology, through websites and mobile apps, allows customers to order and pay before coming to the store; offline technology, such as self-service kiosks, allows store customers to place orders without interacting with a human employee. In this paper, we develop a stylized theoretical model to study the impact of self-order technologies on customer demand, employment levels, and restaurant profits. Our main results follow. First, customers using self-order technologies experience reduced waiting cost and increased demand, and moreover, these benefits may even carry over to customers who do not use these technologies. Second, although public opinion suggests that self-order technologies facilitate job cuts, we find instead that some firms should increase employment levels, and, paradoxically, this recommendation holds for firms with high labor costs. Finally, we find that firms should implement online (offline) self-order technology when customers have high (low) wait sensitivity. The supplementary appendix is available at https://doi.org/10.1287/mnsc.2017.2787 . This paper was accepted by Serguei Netessine, operations management.
Actitudes y prácticas de la población en relación al etiquetado de tipo “semáforo nutricional” en Ecuador
Authors: Ramos Padilla Patricio David , Carpio Arias Tannia Valeria , Delgado López Veronica Carlina , Villavicencio Barriga Veronica Dayana , Andrade Carlos Eduardo , Fernández-Sáez José 
Published: July 2017

Introducción: La elección de alimentos es fundamental para la salud de las poblaciones. Las estrategias como las normas del etiquetado en los productos alimenticios podrían ayudar a que el consumidor tenga información clara de los alimentos que consume.Objetivos: Explorar la asociación del sexo y la edad con las actitudes y prácticas frente al etiquetado nutricional tipo “Semáforo Nutricional” en Ecuador.Material y métodos: Estudio transversal en una muestra por conveniencia de 622 sujetos de ambos sexos en 6 supermercados del área urbana de Riobamba durante los meses de septiembre de 2014 a febrero de 2015. Se realizaron contrastes de hipótesis de diferencias de proporciones y regresión logística para determinar la asociación de las actitudes y prácticas con el sexo y edad.Resultados: Respecto a las mujeres, los hombres (OR=1,58; IC95%: 1,13–2,21; p<0,001) y los participantes de entre 18-40 años con respecto a los de >40 años (OR= 1,72; IC95%: 1,22–2,44; p=0,002) tienen más probabilidad de creer que actualmente hay demasiada presión para comer de forma saludable. Igualmente los hombres tienen menos probabilidad de creer que consumen demasiada grasa (OR=0,61; IC95%: 0,43–0,85; p=0,01) respecto a las mujeres. Los participantes de entre 18-40 años frente a >40 años tienen más probabilidad de tratar de reducir al mínimo la cantidad de azúcar (OR=2,41; IC95%: 1,55–3,76; p<0,001), sal (OR=2,24; IC95%: 1,50–3,60; p<0,001) y grasa (OR=2,17; IC95%: 1,44–3,27; p<0,001) que consumen.Conclusión: Las actitudes y prácticas de la población respecto al semáforo nutricional pueden variar respecto a la edad y el sexo.
Alternativa Eficaz al Tratamiento Farmacológico sobre el Estreñimiento en Ancianos Institucionalizados: Estudio Libera
Authors: Sobrón Monge Ismael , Imaz González Consuelo , Lacarra Jiménez Estela , Barbosa Robledo Abigail , López Gómez Bernardo , Pérez García Victoria , Barcons Vilardell Núria 
Published: July 2017

Introducción: El objetivo del presente estudio es conocer el impacto de la administración de un postre rico en fi­bra y sorbitol en la evolución de la pauta de laxantes en ancianos institucionalizados con estreñimiento.Material y métodos: Estudio unicéntrico, intervencional, prospectivo, en ancianos con diagnóstico de estreñimiento tratados con laxantes de una residencia geriátrica, en el que cada paciente es su propio comparador. Se administró un postre con alto contenido en fibra y sorbitol (Resource® Puré de Frutas rico en fibra), durante 7 semanas. La variable principal fue la diferencia de días de tratamiento farmacológico con laxantes entre la semana previa al inicio y la última semana del estudio.Resultados: Se estudiaron 40 pacientes. Mediana de edad de 88,5 años (rango: 72-101). Después de 7 semanas requirieron una media semanal de 3,5 días menos de tratamiento con laxantes. El número de pacientes con tratamiento farmacológico se redujo en un 40%. Las deposiciones semanales aumentaron en una media de 2. Disminuyeron las molestias gastrointestinales. La intervención no modificó la ingesta previa. La adherencia a la pauta prescrita fue superior al 94%. La reducción del nº de días con tratamiento laxante se asoció a: tomar 5 o más unidades del postre a la semana, ser mayor de 85 años, tener mala salud bucodental y no tener malnutrición ni trastornos de la dieta.Conclusiones: La administración de un postre rico en fibra y sorbitol puede constituir una alternativa efectiva y segura frente al tratamiento farmacológico con laxantes en población anciana con estreñimiento institucionalizada y podría ayudar a reducir la polimedicación en estos pacientes.
The Eruption of Mount Kelud and It’s Impacts in Blitar 1919-1922
Authors: Nihayatul Ulin , Supriyono Agustinus , Rinardi Haryono 
Published: July 2017

This study is meant to deal with the aftermaths of Mount Kelud Eruption from 1919 to 1922 in the region of Blitar, which is focused on the effects of Mount Kelud eruption on the economy and its impacts for the three years following the eruption. The aftermaths of Mount Kelud eruption of 1919 had caused many of the residents lose their livelihood, families and damages to the plantations in the region of Blitar. The damages affecting the plantations made the local economy in the region of Blitar drop. This economic slump certainly impeded the development progress in the Gemeente of Blitar, a Gemeente had been formed in the region of Blitar shortly before that. The extensive environmental devastation, inside the gemeente and the outer parts of the regency’s regions forced the regional government of Blitar Regency to allocate aids funds to handle the casualties, make the repairs and constructions of the facilities in the region of Blitar.
The Changing of Political Orientation of Masyumi Party During 1950-1959
Authors: Ishaqro Alfi Hafidh , Alamsyah Alamsyah , Yuliati Dewi 
Published: July 2017

Through historical method, this article studies the Shifts in Political Ideological Orientation of Masyumi Party during the Liberal Democracy Era 1950–1959. The shifted orientations of Masyumi Party included a shif of orientation in its principle, form of government and the government executive system.The establishment of Masyumi Party was the apex of the Japanese concern in trying to map the axis of the powers of various groups in Indonesia. The formations of PUTERA, which bore the nationalist inclination and MIAI, which tended to accommodate urban Muslims were not attractive enough to win the hearts and empathy from the Indonesian native communities for its occupation in Indonesia. Masyumi Party made Islam as a its struggling principle, not only as a symbol but also tha ideology and spirits in conducting the various siyasah preaches within the scope of political struggles. Numerous internal dynamics were then occuring in the body Masymi Party. The Party’s change in its orientation began to be visible, indicated by the idea suggested by M. Natsir to formulate the Constitution or Law of General Election.The formation of the General Election Law made M. Natsir and Masyumi the symbol of the establishment and growth of democracy in the Republic of Indonesia, which became more evident when M. Natsir was ousted and the subsequent working cabinet heads failed to hold a General Election. And finally, at the end of 1955 under the leadership of Burhanuddin Harahap, who was himself a Masyumi figure, a general election was held for the first time. The political attitude shown by Masyumi indicated that Masumi Party had shifted its political orientation. Masyumi Party, which originally struggled to implement Islam by employing the Syura in forming a government was helplessly compromising its principle by following and combining itself into a democracy model the initiator of which was the leader of Masyumi Party itself. Such political behavioral changes were associated with the reasoning of the then leaders of Masyumi Party, who tended to accommodative and excessively compromising.
Zuid Midden Timor under the Dutch Control 1905-1942
Authors: Sipa Sarlota Naema , Suroyo A. M. Djuliati , Susilowati Endang 
Published: July 2017

This study is aimed at retracing the Dutch colonial government in South Middle Timor or Zuid Midden Timor in the beginning of 20th century. Intending to expand its controlled territories, to exploit the sandalwood trade and introduce Christianity, the colonial government then domiclied in Kupang entered the inland parts of Timor island, to be prescisely in Molo in 1905. The Ducth colonial government defeated the local meos (soldiers), the Molo meo, Amabuan meo and the Amanatun meo. These three regions were later formed as a governmental administration zone by the East Indies, equivalent to a landschaap and were later combined in an onderafdelling-level administration unit called Zuid Midden Timor, with Molo as its capital city. As the capital city, Molo housed all public administration affairs, markets and shops, which were all centered in Molo. Until the end of the Dutch control in 1942, the Dutch colonial government had left its influences in culture, education, social aspects and governmental politics.
Jane Austen Americanized: The democratic principle in recent adaptations of Emma
Authors: Jelínková Ema 
Published: July 2017

Abstract
When they first reached an American readership, Jane Austen’s novels enjoyed mixed reactions among intellectuals. The main charge levelled against Jane Austen’s fiction was that it conflicted with the democratic principles American society was based on. The next century brought about an explosion in the attention paid to Jane Austen, whether via adaptations, spinoffs, biopics, musicals, detective fiction, scholarly texts, societies or even websites. Most of these creative extensions of Jane Austen’s ideas (and her personality) seem to embrace contemporary American values and sensibilities and therefore, logically, make attempts at revising some of the less palatable aspects of the English society of the Regency era. This paper focuses on two prime examples of such a revisionist approach to Jane Austen’s most classconscious novel, Emma, in Douglas McGrath’s eponymous 1996 film adaptation and in Clueless, Amy Heckerling’s 1995 satirical film based on the same novel.
Theoretical and Experimental Analysis of Formability of Explosive Welded Mg/Al Bimetallic Bars
Authors: Mróz S. , Szota P. , Bajor T. , Stefanik A. 
Published: July 2017

AbstractThe paper has presented the results of theoretical studies and experimental tests of the plastic deformation of Mg/Al bimetallic specimens. Theoretical studies were carried out using the Forge2011® computer program. Physical modeling, on the other hand, was performed using the Gleeble3800 simulator. Bimetallic bars of an outer diameter of 22.5 mm and a cladding layer thickness of 1.7 mm were obtained by the explosive welding method. Samples for formability tests, characterized by a diameter-to-length ratio of 1, were taken from the bars. The theoretical studies and experimental tests were carried out for the temperature range from 300 to 400°C and for different strain rates. Based on the obtained investigation results it has been found that the main parameters influencing the formability of Mg/Al bimetallic bars are strain rate than the process temperature.
Identification of the Heat Transfer Coefficient at the Charge Surface Heated on the Chamber Furnace
Authors: Gołdasz A. , Malinowski Z. 
Published: July 2017

Abstract
The inverse method was applied to determine the heat flux reaching the charge surface. The inverse solution was based upon finding the minimum of the error norm between the measured and calculated temperatures. The charge temperature field was calculated with the finite element method by solving the heat transfer equation for a square charge made of 15HM steel heated on all its surfaces. On the basis of the mean value of heat flux, the value of the heat transfer coefficient at each surface was determined depending on the surface temperature of the material heated.
The Influence of Material Model of the Polyurethane Elastomer on the FEM Calculations Quality for the Various Modes of Loading
Authors: Kut S. , Ryzińska G. , Niedziałek B. 
Published: July 2017

AbstractThe paper presents research to verify the effectiveness of nine selected material models of elastomeric materials based on uniaxial tension test. Basing on the cyclic uniaxial tension test of elastomers sample, the stress-strain characteristic for the 18th load cycle was prepared. On the basis of the obtained characteristic, the values of material constants were calculated for the studied models (Neo-Hookean, Mooney with two and three constants, Signorini, Yeoh, Ogden, Arruda-Boyce, Gent and Marlow) and simulation of tensile, upsetting and bending processes was performed with the usage of the software MARC/Mentat. The effectiveness of the selected models was determined based on a comparison of results obtained in the experimental tensile test, upsetting test and bending test of an elastomeric samples with the results of numerical FEM calculations for each models. The research has shown that, for modeling of the elastomeric cylinder upsetting in the range of deformation of 62%, the best results with the comparison of the experiment were obtained by using the Yeoh model. In the bending process none of the analyzed models indicate a high convergence of results from an experiment. Analyzing the characteristics of the experimental and numerical tensile test it can be seen that in the entire range of punch movement (0 to 55 mm), models Signorini, Marlow, Ogden(N3) and Mooney(3) give the best results.
Quantitative Evaluation of the Microstructure and Mechanical Properties of Hot Rolled 23MnB4 Steel Grade for Cold Upsetting
Authors: Kuc D. , Szala J. , Bednarczyk I. 
Published: July 2017

AbstractThe article presents the results of tests of influence of the thermo-mechanical treatment parameters on the mechanical properties and microstructure of steel 23MnB4 for cold-upsetting. Measurements of the ferrite grains and pearlite colonies were conducted with the use of Met-Ilo program supplemented by additional procedures dedicated to structure analysis of ferritic-pearlitic steel. The process of rolling was conducted in simulation in semi-continuous finishing train arrangement with different temperature and cooling rate. Elaborated procedure of quantitative analysis of microstructure and conducted mechanical properties tests will be used during preparations of modified technologies of wire rod rolling to prepare products made of steel, the microstructure of which is characterised higher utility properties.
Numerical Modelling of Micro-Stresses in Carbonised Austenitic Cast Steel under Rapid Cooling Conditions
Authors: Tuleja J. , Zatorski Z. 
Published: July 2017

AbstractThe paper presents a method of the numerical modelling of micro-stresses in carbonised austenitic cast steel being developed during rapid cooling due to differences in the values of thermal expansion coefficients for this material phases – carbides and austenitic matrix. Micro-stresses are indicated as the main cause of crack initiation in the tooling elements of carburising furnaces being mainly made of austenitic cast steel. A calculation model of carbonised and thermally fatigued austenitic cast steel was developed based on the microstructure images obtained using light microscopy techniques and the phase composition evaluated with the X-ray diffraction method. The values of the stress tensor components and the reduced stress in the complex models of test material structure were determined numerically by the finite element method. The effort analysis was performed and the areas where development of cracks is to be expected were identified, which was experimentally confirmed.
Effect of the Austempering Process on the Microstructure and Mechanical Properties of 27MnCrB5-2 Steel
Authors: Morri A. , Ceschini L. , Pellizzari M. , Menapace C. , Vettore F. , Veneri E. 
Published: July 2017

AbstractThe effect of austempering parameters on the microstructure and mechanical properties of 27MnCrB5-2 steel has been investigated by means of: dilatometric, microstructural and fractographic analyses; tensile and Charpy V-notch (CVN) impact tests at room temperature and a low temperature.Microstructural analyses showed that upper bainite developed at a higher austempering temperature, while a mixed bainitic-martensitic microstructure formed at lower temperatures, with a different amount of bainite and martensite and a different size of bainite sheaf depending on the temperature. Tensile tests highlighted superior yield and tensile strengths (≈30%) for the mixed microstructure, with respect to both fully bainitic and Q&T microstructures, with only a low reduction in elongation to failure (≈10%). Impact tests confirmed that mixed microstructures have higher impact properties, at both room temperature and a low temperature.
Nickel in Compacted Graphite Iron
Authors: Gumienny G. , Kurowska B. , Szymczak T. , Gawroński J. 
Published: July 2017

AbstractThe paper presents results of the research work concerning effects of nickel concentration on the crystallization process, microstructure and selected properties of the compacted graphite iron. Compacted graphite in the cast iron was obtained with use of the Inmold process. The study has comprised the cast iron containing nickel up to concentration providing obtainment of austenitic microstructure of the matrix. The effect of the nickel on temperature of the eutectic crystallization was specified. It has been presented composition of the cast iron matrix in function of nickel concentration in a casting with wall thickness of 3 mm and 24 mm. Moreover, it has been presented conditions defining the possibility of obtaining an austenitic and martensitic compacted graphite iron. Effect of the nickel on hardness of the cast iron was described.