bluuebunny/crossref_metadata_2025 huggingface dataset:
Corporate control: The root causes of reworks in the construction of projects.
Authors: Chipo Mellania Maseko
Published: October 2017

The root causes of reworks generally continue to be overlooked, despite the fact that reworks regularly cause corporate budgets to be exceeded by more than 12.4 %. Reworks is a recurring problem which companies are gradually losing control of and as a result contributes to time and cost overruns, thereby bringing adverse effects on project performance. To improve corporate performance and control it is, therefore, necessary to identify the root causes of reworks in construction projects. This article explores the root causes of reworks on construction projects with reference to South Africa. The desktop methodological approach was adopted based on scholarly articles to ascertain root causes of reworks. Following a conceptual analysis on corporates, thirty-five causes of reworks were, identified and categorized into five main categories namely client-related, design-related, site management-related, subcontractor-related and transporter-related. Client-related category had the most factors causing reworks. From this category, wrong communication was the factor identified to cause most of the reworks. Finding suggests the need for further empirical study. This finding contributes to the body of knowledge by identifying the root causes of reworks. This can eventually improve corporate control and performance by providing practitioners with an in-depth understanding of reworks.
Scanning electron microscope comparative surface evaluation of glazed-lithium disilicate ceramics under different irradiation settings of Nd:YAG and Er:YAG lasers
Authors: Viskic Josko , Jokic Drazen , Jakovljevic Suzana , Bergman Lana , Ortolan Sladana Milardovic , Mestrovic Senka , Mehulic Ketij
Published: October 2017

Objective:

To evaluate the surface of glazed lithium disilicate dental ceramics after irradiation under different irradiation settings of Nd:YAG and Er:YAG lasers using a scanning electron microscope (SEM).

Materials and Methods:

Three glazed-press lithium disilicate ceramic discs were treated with HF, Er:YAG, and Nd:YAG, respectively. The laser-setting variables tested were laser mode, repetition rate (Hz), power (W), time of exposure (seconds), and laser energy (mJ). Sixteen different variable settings were tested for each laser type, and all the samples were analyzed by SEM at 500× and 1000× magnification.

Results:

Surface analysis of the HF-treated sample showed a typical surface texture with a homogenously rough pattern and exposed ceramic crystals. Er:YAG showed no effect on the surface under any irradiation setting. The surface of Nd:YAG-irradiated samples showed cracking, melting, and resolidifying of the ceramic glaze. These changes became more pronounced as the power increased. At the highest power setting (2.25 W), craters on the surface with large areas of melted or resolidified glaze surrounded by globules were visible. However, there was little to no exposure of ceramic crystals or visible regular surface roughening.

Conclusions:

Neither Er:YAG nor Nd:YAG dental lasers exhibited adequate surface modification for bonding of orthodontic brackets on glazed lithium disilicate ceramics compared with the control treated with 9.5% HF.
Adiposity, Dysmetabolic Traits, and Earlier Onset of Female Puberty in Adolescent Offspring of Women With Gestational Diabetes Mellitus: A Clinical Study Within the Danish National Birth Cohort
Authors: Grunnet Louise G. , Hansen Susanne , Hjort Line , Madsen Camilla M. , Kampmann Freja B. , Thuesen Anne Cathrine B. , Granstrømi Charlotta , Strøm Marin , Maslova Ekaterina , Frikke-Schmidt Ruth , Damm Peter , Chavarro Jorge E. , Hu Frank B. , Olsen Sjurdur F. , Vaag Allan
Published: October 2017

OBJECTIVE

Offspring of pregnancies affected by gestational diabetes mellitus (GDM) are at increased risk of the development of type 2 diabetes. However, the extent to which these dysmetabolic traits may be due to offspring and/or maternal adiposity is unknown. We examined body composition and associated cardiometabolic traits in 561 9- to 16-year-old offspring of mothers with GDM and 597 control offspring.

RESEARCH DESIGN AND METHODS

We measured anthropometric characteristics; puberty status; blood pressure; and fasting glucose, insulin, C-peptide, and lipid levels; and conducted a DEXA scan in a subset of the cohort. Differences in the outcomes between offspring of mothers with GDM and control subjects were examined using linear and logistic regression models.

RESULTS

After adjustment for age and sex, offspring of mothers with GDM displayed higher weight, BMI, waist-to-hip ratio (WHR), systolic blood pressure, and resting heart rate and lower height. Offspring of mothers with GDM had higher total and abdominal fat percentages and lower muscle mass percentages, but these differences disappeared after correction for offspring BMI. The offspring of mothers with GDM displayed higher fasting plasma glucose, insulin, C-peptide, HOMA-insulin resistance (IR), and plasma triglyceride levels, whereas fasting plasma HDL cholesterol levels were decreased. Female offspring of mothers with GDM had an earlier onset of puberty than control offspring. Offspring of mothers with GDM had significantly higher BMI, WHR, fasting glucose, and HOMA-IR levels after adjustment for maternal prepregnancy BMI, and glucose and HOMA-IR remained elevated in the offspring of mothers with GDM after correction for both maternal and offspring BMIs.

CONCLUSIONS

In summary, adolescent offspring of women with GDM show increased adiposity, an adverse cardiometabolic profile, and earlier onset of puberty among girls. Increased fasting glucose and HOMA-IR levels among the offspring of mothers with GDM may be explained by the programming effects of hyperglycemia in pregnancy.
Physical Activity Reduces Risk of Premature Mortality in Patients With Type 1 Diabetes With and Without Kidney Disease
Authors: Tikkanen-Dolenc Heidi , Wadén Johan , Forsblom Carol , Harjutsalo Valma , Thorn Lena M. , Saraheimo Markku , Elonen Nina , Tikkanen Heikki O. , Groop Per-Henrik
Published: October 2017

OBJECTIVE

The aims of the study were to assess how baseline leisure-time physical activity (LTPA) and its exercise components intensity, duration, and frequency are associated with all-cause and cardiovascular mortality in patients with type 1 diabetes 1) overall, 2) stratified by presence or absence of chronic kidney disease (CKD), and 3) stratified by sex.

RESEARCH DESIGN AND METHODS

The study design was prospective and observational and included 2,639 patients with type 1 diabetes from the ongoing nationwide multicenter Finnish Diabetic Nephropathy (FinnDiane) Study. Mean follow-up time was 11.4 ± 3.5 years. LTPA was assessed by using a validated self-report questionnaire. Three hundred ten patients (11.7%) had CKD defined as an estimated glomerular filtration rate of ≤60 mL/min/1.73 m2.

RESULTS

During follow-up, 270 deaths occurred. LTPA and all its components were associated with all-cause mortality, even after adjustment for the potential confounders sex, diabetic nephropathy, duration of diabetes, age at onset of diabetes, systolic blood pressure, triglycerides, BMI, and HbA1c. Only exercise intensity was associated with cardiovascular mortality after adjustment for the confounders. Of the patients with CKD, 127 died during follow-up. The total amount of LTPA and exercise frequency were independently associated with lower risk of all-cause mortality when adjusted for covariates.

CONCLUSIONS

Exercise is associated with a lower risk of premature all-cause and cardiovascular mortality in patients with type 1 diabetes. This study also demonstrates that physical activity is associated with a lower risk of mortality in patients with type 1 diabetes and CKD.
Optimization of cooling devices used in laser ablation setups for carbon nanotube synthesis
Authors: Kazemizadeh Fatemeh , Moemen Bellah Samad , Malekfar Rasoul
Published: October 2017

The performance and thermal resistance of cooling devices in a laser ablation setup for carbon nanotube (CNT) synthesis are investigated using heat transfer equations and for three cooling designs. This has a direct technological goal with the simulation of the cooling device in laser ablation setups as a collector of carbon nanotubes. Since the collector is a place for CNT growth, its temperature has a significant influence on the quality of the synthesized CNTs. In order to design the best device, the temperature of the flowing water and the metal of three different cooling devices have been compared together. In order to select the most appropriate device, in addition to quality, the low price and the ease of construction are taken into account.
Experimental characterization of concrete removal by high-power quasicontinuous wave fiber laser irradiation
Authors: Long Nguyen Phi , Daido Hiroyuki , Yamada Tomonori , Nishimura Akihiko , Hasegawa Noboru , Kawachi Tetsuya
Published: October 2017

The performance of high-power quasicontinuous wave fiber laser irradiation on concrete has been investigated in the downward (along the gravitational direction) and the upward laser directions (against it). Mechanism of material removal without an assist gas is dominated by vaporization and melts expulsion induced by recoil pressure evaporation. Also, the melt concrete ejection is greatly enhanced by expansion via gaseous bubbles and breakup. The performance of laser irradiation on concrete is significantly enhanced in the upward direction by the assistance of gravity. In addition, the laser parameters can control the quality and performance of laser drilling and cutting of concrete. Furthermore, the thermal effect analysis determines the impact of laser power on the concrete surface, which may help to consider the heat affected zone coupled with the analyses of material property around the laser treated region.
Performance of Ternary Corncob Ash and Anthill Soil Concrete in Sulfate Solutions
Authors: Kamau John , Ahmed Ash
Published: October 2017

Durability of concrete has been defined as its ability to withstand deterioration after it has been exposed to the environment of its intended use. This work examined the performance of ternary Corncob Ash (CCA) and Anthill Soil (AHS) concrete in sodium sulfate (Na2SO4), magnesium sulfate (MgSO4) and combined Na2SO4 and MgSO4 solutions. Bar specimens for elongation tests and cubes for strength deterioration tests were cast using combined CCA and AHS at the 5% replacement, which was earlier on reported to have achieved the highest compressive strength, as well as at the 30% replacement. From the findings, it was concluded that at the 5% replacement, the ternary mix could be used with an advantage over 100% cement concrete in MgSO4 environments.
TO THE QUESTION OF INVESTMENT POLICY IN THE ELECTRIC POWERINDUSTRY
Authors: Vaichulis Andrey Yur’evich
Published: October 2017

The article touches upon the main legal and corresponding economic changes of the reform in the power industry. The main traits of this period in this branch have been discussed, the influence of the process to investment activities has been considered, and statistical material presented. The necessity to change the existing investment model of the power industry has been reasoned. The working mechanisms of attracting investments and the possibilities of the activation of the investing process into the branches of economicshave been studied.
CONSTRUCTION OF MATRIX MODEL OF EVALUATING THE FINANCIAL STATE OF THE CORPORATE ORGANIZATION
Authors: Antonov Anton Vladimirovich , Molchanova Olga Vladimirovna
Published: October 2017

The financial state of an organization is a multidimensional economic category that characterizes, by means of a set of indicators, the placement, ownership and use of financial resources, as well as their sufficiency at each point in time. The purpose of the assessment of the financial condition of the organization is the calculation of key parameters that allow to make a conclusion about the rationality of using the capital and property of the organization, the optimal ratio of own and borrowed funds and their structure, reliability of relations with counterparties, creditors, credit and financial institutions and other economic entities interacting with organization. The article presents a matrix model for assessing the financial condition of PJSC "Lukoil" for the period 2015-2016, based on the standard ordering of the growth rates of four groups of financial ratios. At the first stage of the study, a standard matrix of the rates of change in indicators is constructed. At the second stage, the matrix of actual rates of change in indicators is constructed. At the final stage of the study, an integral indicator is formed, which is calculated on the basis of comparison of the reference and actual matrices; this allows to assess the financial condition of PJSC "Lukoil" during 2015-2016, to identify the most problematic indicators of the financial and economic activities of the organization under study, which negatively affect the financial condition.
MARKETING PROTECTOR AS A BUSINESS TOOL FOR KEEPING COMPETITIVE POSITION IN THE MARKET
Authors: Krivosheeva Ekaterina Vasilievna , Yeremeev Andrey Vadimovich , Shchepakin Mikhail Borisovich
Published: October 2017

The article focuses the problems of the Russian economy and the opportunities for the implementation of the innovative development model. The need of perfection of marketing behavior for enterprises in order to conquest advantageous competitive positions in the market has been proved. It is offered to consider the influence of marketing-behavioral reflection as a tool of business management and consciousness of consumers. The authors suggest to increase influence of motivational, communication, behavioral and innovative factors in the process of creating effective value chains. It is offered to solve marketing-resource contradictions in a marketing communication area of the subject by means of including a marketing protector for reaching consensus between the interacting parties for receiving mutual benefits and preventing social-economic losses in different spheres of business. The concept of marketing simulation as manifestations of certain forms marketing behavior subject has been introduced. The model of retention of competitive business position through activation of the marketing protector under rationalization of marketing behavior by the participants of relations in the process of building their values chains has been offered.
FORMATION OF A SPECIAL ECONOMIC ZONE MANAGEMENT SYSTEM: THE THEORETICAL ASPECT
Authors: Fartushina Anastacia Sergeevna
Published: October 2017

Special economic zones as a form of public-private partnership have recently been heavily criticized both by the actors of governance - the Government of the Russian Federation, and by scientists - economists and practitioners. The subject of mistrust is the low efficiency of their activities, regardless of significant state financial support. One of the reasons for the current situation is the imperfection of the existing regulatory and legal framework, including methodological recommendations on the formation of a SEZ management system and the assessment of the effectiveness of its administration. The research carried out by the author on the SEZ project structure and functions of the management company made it possible to formulate the expediency of applying the project-oriented and process approach to the management of the SEZ as an initial prerequisite for developing a system of indicators for assessing the effectiveness of its functioning
CONDITIONS FOR THE FORMATION OF OPPORTUNISTIC BEHAVIOR OF THE SUBJECTS OF THE CREDENCE GOODS MARKET
Authors: Kolosova Maria Aleksandrovna
Published: October 2017

The article studies the conditions favorable for the formation of opportunistic behavior of subjects of the credence goods market. The absence of a number of rules, which should govern social and legal relations in the sphere under the study, along with imperfection and inefficiency of the existing rules allowed to identify a group of institutional conditions for developing opportunism. The limitations of competition, the variability of the economic environment, wide range of differentiated products and the unevenness of their distribution, the dependence on external raw material sources form the group of market conditions. Impulsivity, suspiciousness and difficult predictability of the behavior of ordinary consumers, but also inherent in modern society the spiritual and moral decline form the group of socio-psychological conditions for opportunistic behavior. The article discusses in detail each of the groups, the examples of the Russian practice are given.
HISTORICAL FACTORS OF THE DEVELOPMENT OF SCIENTIFIC ORGANISATION OF PRODUCTION SYSTEMS
Authors: Larionov Gleb Valerievich , Nikitin Anton Julievich
Published: October 2017

The article presents the main factors of the industrial system of the enterprise and their development in evolution of scientific organization of production. The main principles underlying the efficient production system have been described. The comparison of the main stages of the development of the science of production organization and management has been done.
ANALYSIS OF THE CONDITIONS, FACTORS AND TENDENCIES OF DEVELOPMENT OF THE INTERNATIONAL MARKET OF MEDICAL SERVICES
Authors: Kotov Pavel Sergeevich , Akishkin Viktor Georgievich , Nabieva Antonina Ramazanovna
Published: October 2017

Medical service is a process of interaction between a doctor and a patient in order to improve health outcomes. The quality of medical services is influenced by various factors: a lack of equipment in the preventive health care facilities, pharmaceutical products supply, coordination of appointments of the patients, etc.). Accordingly, there appears a tendency to increase the demands for provision of medical services. The social significance of healthcare services renders the process of their provision as the category of mandatory measures for governmental control and regulation in all countries, with the purpose to provide access for all strata of the population and maintain the appropriate quality level. Therefore, the standards of medical services have become the main line of activity for many specialized international organizations and governments (personnel requirements, medical products and medicines, regulation of medical insurance, etc.). In turn, standardization creates significant entry barriers in the market of medical services. The need of implementing international and national standards for the provision of medical services and their convergence are stipulated by the specificity of the healthcare sector. International medical service trade, implementation of telemedicine technologies and innovative methods of treatment, standardization of production and consumption of medical services are modern trends that lead to the formation of the international market for medical services. The provision of medical services to patients of other countries in more than 50 countries is defined as one of the main directions of national development. Since the cost factor is an important determinant of competitiveness, patients from countries with highly developed health care system go to developing countries where they receive medical services of good quality at lower prices. In light of the above, the article analyzes the stages of development of the medical service market depending on the level of economic development, preconditions for developing competitive advantages and the global factors that shape the trends of development of the international market of medical services.
THE DEVELOPMENT POTENTIAL OF FISHING INDUSTRY IN RUSSIA: ANALYTICAL ASPECT
Authors: Dubinina Nataliya Aleksandrovna , Karlina Elena Prokofievna
Published: October 2017

Concept of the long-term socio-economic development in the Russian Federation for the period to 2020, as well as the Doctrine of food security of the Russian Federation anticipate an urgent problem for the Fishery complex of the Russian Federation, which consists in increasing national food security and providing the people with high-quality product at a reasonable price. Fishery complex aims to ensure social stability of coastal economic entities of the Russian Federation, in which enterprises of the fishery sector appear as residence-forming communities and determine the directions of the social policy covering a great number of population. Given the importance of the problem to socio-economic development of the Russian Federation, it is necessary to work out the directions for sustainable development of the national fishing industry, which will ensure higher proportion of domestic product on the national market, than it was determined by the Doctrine of food security of the Russian Federation.
HUBUNGAN KEPUASAN KERJA, STRES GURU DENGAN KEBAHAGIAAN GURU PENDIDIKAN AGAMA SEKOLAH MENENGAH DI KOTA AMBON
Authors: Toisuta Donny
Published: October 2017

Masalah penelitian dirumuskan: (1) Adakah hubungan yang positif dan signifikan antara kepuasan kerja dengan kebahagiaan guru pendidikan agama sekolah menengah di kota Ambon? (2) Adakah hubungan yang negatif signifikan antara stresguru dengan kebahagiaan guru pendidikan agama sekolah menengah di kota Ambon? Subjek penelitian berjumlah 117 orang guru agama sekolah menengah dari 5 kecamatan di kota Ambon. Keba-hagiaan diukur dengan Authentic Happiness Inventory (AHI)) dari Seligman, Kepuasan Kerja guru diukur dengan Teacher Job satisfaction Questionnaire dari Lester dan Stres Guru diukur dengan Angket Stres Guru yang dikem-bangkan oleh Kyriacou. Hasil penelitian menunjukkan: (1) Ada hubungan positif signifikan antara kepuasan kerja  dengan kebahagiaan guru pendidikan agama sekolah menengah di kota Ambon  dengan p = 0,014 < 0,05; (2) Ada hubungan yang negatif dan tidak signifikan antara stres guru dengan kebahagiaan guru pendidikan agama sekolah menengah di kota Ambon dengan r xy = -0,137 dan p = 0,070 > 0,05.
EMPLOYING OF COOPERATIVE LEARNING MODEL MAKE A MATCH TYPE AIDED SPEAKING CARD MEDIA AS AN EFFORT TO IMPROVE THE LEARNING OUTCOMES OF STUDENTS
Authors: Wahyu A Keke Citra
Published: October 2017

The purpose of this research is to improve mathematic learning outcomes of students  grade 3 of State Elementary School Kupang 03 district Ambarawa by using cooperative learning model of Make A Match type assisted by Speaking Card media. This study used a classroom action research that consists of two cycles. At each cycle consists of four stages: planning, action, observation, and reflection. The instrument data collection using interviews, observations, and mathematics courses test questions about the material flat wake. Data analysis was performed by using a comparative descriptive analysis that compares the initial conditions before the procedure, the results of the first cycle and the second cycle. The results showed that the cooperative learning model of Make A Match type assisted Speaking Card media can improve learning outcomes learners are seen from the test results. The increase in the average grade of 69.7 pre-cycle, the first cycle of 75.5 and 81.6 second cycle. The increase also occurred in the percentage of the number of learners who achieve a minimum completeness criteria (KKM). In the pre-cycle percentage achievement of KKM 62.8% (22 students), in the first cycle percentage increased to 82.8% (29 students), and the second cycle built up became percentage increase of 100% (35 students).
Lingua per se notata. Una annotazione sul metodo Ørberg alla luce dell’Ipotesi del Noticing di Schmidt
Authors: Ricucci Marco
Published: October 2017

L’istruzione classica sta attraversando una crisi mondiale per molteplici motivi:, mentre il greco antico e il latino sono stati eliminati dalle scuole superiori, persino in Italia. Questo articolo è un breve esame in cui la modalità di apprendimento della grammatica nel metodo induttivo-contestuale, approntato da Hans Ørberg, viene analizzata alla luce dell’ Ipotesi del Noticing di Richard Schmidt, linguista applicato statunitense: essa è una teoria cognitiva che spiega l’acquisizione di una lingua seconda.
FOMENTANDO A DISCUSSÃO SOBRE O ENSINO DE GOVERNANÇA DE TI: UMA PROPOSTA DE ABORDAGEM PRÁTICA
Authors: Barbosa Marcelo Werneck
Published: October 2017

O poder crescente e os custos decrescentes da Tecnologia da Informação (TI) para os negócios têm trazido desafios e oportunidades às organizações, que tem se tornado totalmente dependentes da TI. A governança de TI procura criar valor otimizando custos e riscos. Para poder contribuir com os desafios do mercado, os alunos precisam estar preparados. Entretanto, existem desafios no ensino destes temas como menor motivação dos discentes para cursar disciplinas que envolvam gestão, o foco tradicionalmente teórico relacionado a estas disciplinas e a dificuldade na vinculação entre formação e prática profissional. Assim, este trabalho teve como objetivo identificar experiências de ensino por meio de uma revisão sistemática e apresentar as experiências de condução de um trabalho na disciplina de Governança de TI. A revisão sistemática encontrou poucos trabalhos relacionados ao tema, mas nestes, em geral, há uma preocupação em vincular as atividades de sala de aula à prática de mercado. A proposta apresentada neste trabalho busca integrar as metodologias de governança de TI (planejamento estratégico com BSC, Cobit e ITIL) em um mesmo trabalho acadêmico. Os alunos avaliaram o trabalho como importante para a prática dos processos e técnicas vistos na disciplina.
REPRESENTAÇÃO DO CONHECIMENTO ATRAVÉS DE PENSAMENTO VISUAL: UMA EXPERIÊNCIA EM SALA DE AULA PARA ELICITAÇÃO DE MODELOS E MAPAS COGNITIVOS
Authors: Machado Guilherme Bertoni , Freiberger Pereira Larissa Mariany , Nascimento Everton Ricardo , Pereira Fialho Francisco Antonio , Todesco José Leomar , Selig Paulo Maurício
Published: October 2017

Existem várias ferramentas de aprendizagem em escolas e universidades, técnicas visuais para representação de modelos mentais, como Visual Thinking, que podem ser empregadas com sucesso para representação do conhecimento, permitindo a interação entre alunos em diferentes situações, através da facilitação gráfica. O objetivo deste projeto consiste em investigar a adequação do Visual Thinking para a representação dos conhecimentos (saberes, habilidades e competências) de um grupo de alunos do curso superior de tecnologia em Análise e Desenvolvimento de Sistemas da Faculdade Senac Porto Alegre com o intuito de fazer com que estes possam usar essa técnica como uma ferramenta de aprendizagem e disseminação de conhecimento, de forma simples e capaz de se adaptar a mudanças no ambiente.
PROMOÇÃO DA PARTICIPAÇÃO DOS USUÁRIOS NO DESENVOLVIMENTO DE UM REPOSITÓRIO PARA RECURSOS EDUCACIONAIS ABERTOS
Authors: Grein Pedro Paulo Boaventura , Amaral Marília Abrahão
Published: October 2017

Este artigo defende, com base em uma revisão histórica dos principais movimentos que levaram à criação dos Recursos Educacionais Abertos (REA), que esta tecnologia educacional está embebida de valores fundamentais para a sociedade atual. Da mesma forma, os repositórios eletrônicos destinados a coletar e disponibilizar estes recursos devem compartilhar destes valores. Com base em uma concepção de tecnologia nem neutra, nem determinista, que reconhece a construção social dos artefatos tecnológicos e que estes carregam os valores do ambiente em que foram concebidos, sugere-se que a filosofia e a ética que sustentam o movimento REA devem ser preservados e ampliados. Esta preservação de valores passa, inclusive, pelas escolhas feitas na implementação das tecnologias empregadas na construção dos repositórios REA para uso da sociedade. Este trabalho sugere a adoção do Design Participativo, com foco em seus princípios éticos e na participação de todos os envolvidos, em oposição às práticas mais comuns e difundidas da Interação Humano Computador, como ferramenta de desenvolvimento por acreditar que ele compartilha destes mesmos valores.
Radiation Therapy Induced Cardiovascular Disease
Authors: Adams Heath , Martin William , Wilson Andrew , Palmer Sonny
Published: October 2017

Contemporary treatment modalities for malignancy including radiation therapy have led to improved survival. However treatment related complications manifesting later in life including cardiovascular disease has led to survivors exhibiting a lower long term survival rate, when compared to age matched controls. This narrative review will discuss the pathophysiology, risk factors, clinical presentation, management and preventative techniques related to radiotherapy-induced cardiotoxicity.
Pt y Pd soportado en carbón activado para la oxidación de 5-hidroximetilfurfural a ácido 2,5-furanodicarboxílico
Authors: Sanabria Lyda , Lederhos Cecilia , Quiroga Mónica , Cubillos Jairo , Rojas Hugo , Martinez José J.
Published: October 2017

En este trabajo se estudió la transformación en fase líquida de 5 hidroximetilfurfural (5-HMF) a ácido 2,5-furandicarboxilico con el uso de catalizadores de Pt y Pd soportados en carbón activado con la presencia de NaOH ó CaCO3. Los catalizadores fueron caracterizados por quimisorción de H2 a temperatura ambiente, espectroscopia de rayos X (XPS) y análisis termogravimétrico (TGA). Los resultados indican que el tamaño de partícula de los catalizadores sigue el orden PtCl/C < PdCl/C < PdN/C el cual esta estrechamente relacionado con la actividad catalítica. Se encontró que las partículas metálicas están presentes como especies de Pd0 and Pt0. Siendo el catalizador de Pt-Cl/C con el uso de CaCO3 como aditivo.
Modelado y evaluación experimental de un reactor solar fotocatalítico no isotérmico: efecto de la temperatura sobre la cinética de la velocidad de reacción
Authors: Marena Molano M. , Mueses Miguel A. , Fiderman Machuca M.
Published: October 2017

El modelado matemático y evaluación experimental de los efectos de la temperatura sobre la cinética de degradación fotocatalítica de una sustancia patrón utilizando radiación solar y dióxido de titanio suspendido fueron realizados en un reactor CPC a escala piloto acoplado a un intercambiador de calor para el control de la temperatura del sistema.
El modelo del sistema incluye el balance de masa del reactor discontinuo con reciclado, basado en parámetros isotrópicos globales. La radiación incidente se modeló utilizando modelos empíricos ajustados utilizando datos experimentales de informes ambientales y algoritmos de optimización en función de las variaciones atmosféricas.El efecto de dispersión-absorción de la radiación dentro del reactor se estimó mediante la resolución de la ecuación de transferencia radiativa.
El efecto de la temperatura se modeló usando un balance térmico acoplado a ecuaciones de transferencia de calor.El modelo cinético aplicado fue modificado con la ecuación de Arrhenius.
Se encontró que la temperatura afecta las velocidades de reacción por la variación de la concentración del oxígeno durante la reacción.El desempeño del proceso se mejora a condiciones normales de operación, sin control de temperatura. El modelo matemático y el algoritmo de solución establecidos son altamente predictivos, generando coeficientes de correlación de 0.99 y errores menores al 2.5%.
Implementasi Kebijakan Lanal Kotabaru (Di Kalimantan Selatan) Dalam Pemberdayaan Masyarakat Nelayan
Authors: Handoko Bagus
Published: October 2017

In developing countries, fishermen are a group of society experiencing social problems such aspoverty and education. The marine high posttension of Indonesia should heve made thefishermen wealthy. In contrast, their economic condition is still so far from wealth, so theyreally need empowerment in order to reach their better future. Kotabaru Lanal Station is one ofthe institutions conducting empowerment for the fishermen in the its responsibility area throughthe empowering programs. To conduct the empowering programs, Kotabaru Lanal Stationcooperates with Kotabaru Regency Government, the empowerment partner.This qualitative research uses the main theory of George Edward III Implementation consistingof four variables, i.e. communication, bureaucracy structure, resources, and disposition. Thepolicy implementation of Kotabaru Lanal Station in fishermen community empowerment hasbeen done well through socialization activities, social assistances, and training, that impactingpositively to Kotabaru fishermen development. The blocking factors to conduct the programsare the minimal budget and the limited human resources of Kotabaru Naval Station. Thesupporting factors to conduct the programs are the supports of Kotabaru Naval Stationpersonnels, Kotabaru Regency Government, and the fishermen.
Diplomatic Relations between Indonesia-Australia Since Whitlam, Fraser, Until Hawke Era in An Attempt To Establish Political Stability in Southeast Asia
Authors: Abdullah Anzar
Published: October 2017

Talking about foreign policy relations of a country, it cannot be explained without adapting to the changes that occur in the growing environment or situation of both countries. Adjustments to the environment and the situation, especially the foreign policy are done in order to maintain the physical, economic, politic and social culture of the country in the midst of the real conditions of the situation occurred, like the history of bilateral relations between Indonesia and Australia). This is a study of the history of Australian foreign policy towards Indonesia since Whitlam government in 1972 until Hawke. The goal of the study is to explain how the foreign policy of the Australian Prime Ministers during their reigns. Although in reality in the course of its history, Australian and Indonesian diplomatic relations were full of intrigues, turmoil and conflicts, but it did not severe the relation of the two nations. Eventually, the conclusion of this study explicitly states that Australia and Indonesia still need each other in an attempt to establish political stability, economic and security in Southeast Asia and the Pacific peacefully.
The Discourse of Power and the Politics of Squatting in Nepal
Authors: Gallagher Kathleen
Published: October 2017

The aim of this paper is to provide a discursive analysis of the phenomenon of squatting in Nepal. The paper begins by charting the concept of discourse from its inception as an analytic framework in Bakhtin’s theory of discourse to more recent application in tracking regimes of power, including international developments. The paper then examines the discourse of representation and praxis characterizing government and urban planning approaches to squatting in Nepal, followed by two case studies conducted in Chapagaun that illustrate the manner in which power circulates in a Nepali squatter settlement as well as in the lives of individual squatters. The paper concludes by arguing that the resources which fuel the praxis of squatting (e.g. finances, political connections and knowledge) often exclude the very people most in need of land and housing through disarticulation, or the omission of local voices.Crossing the Border: International Journal of Interdisciplinary Studies Vol.4(1) 2016: 3-18
Schleifbarkeit mehrphasiger, einsatzgehärteter Zahnräder mit erhöhtem Restaustenitgehalt
Authors: Saddei P. , Hüsemann T. , Steinbacher M.
Published: October 2017

Kurzfassung

Zur Steigerung der Tragfähigkeit verzahnter Getriebebauteile lag in den vergangenen Jahren der Fokus unter anderem auf der Erforschung neuartiger Phasengemische in der Randschicht thermochemisch wärmebehandelter Bauteile. Im Besonderen wurden der gewollt erzeugte Restaustenit sowie dessen Stabilität, welche maßgeblich durch die Prozessführung beeinflusst werden kann, in mehreren Forschungsvorhaben genauer beleuchtet. Aufgrund der durch die Wärmebehandlung ausgelösten Maß- und Formänderungen sowie oftmals vorhandener Randoxidation folgt dem Härten zumeist eine Hartfeinbearbeitung der Verzahnung. Zur Beurteilung der Schleifbarkeit dieser teilweise neuartigen Randschichtgefüge wurden Zahnräder unterschiedlicher Wärmebehandlungsvarianten mit einem Referenzschleifprozess geschliffen und anschließend miteinander verglichen. Hieraus ist die Ableitung von Effekten unterschiedlicher Gefügebestandteile auf die während der Hartfeinbearbeitung auftretenden mechanischen und thermischen Belastungen sowie damit zumeist einhergehenden Schädigung möglich.
A Novel Approach of Plasma Nitrocarburizing Using a Solid Carbon Active Screen – a Proof of Concept
Authors: Burlacov I. , Hamann S. , Spies H.-J. , Dalke A. , Röpcke J. , Biermann H.
Published: October 2017

The feasibility of a novel approach of plasma nitrocarburizing with active screen (AS) made of carbon-fiber reinforced carbon (CFC) has been demonstrated in a comparative study of two types of AS material, steel and CFC, under similar process conditions. Besides the excellent thermo-mechanical properties of the CFC material against the conventional steel, an uncontrollable sputter deposition of the steel screen material during the nitriding can be avoided by the use of the CFC material. Furthermore, a solid-carbon-source concept based on the generation of highly reactive precursor gases, in particular of the unsaturated hydrocarbons HCN and C2H2 directly in the process, avoiding external supply of gaseous hydrocarbons, has been realized in the plasma-enhanced thermochemical treatment. The high nitriding effect of the process atmosphere obtained with the CFC AS yielded a significant improvement of nitriding results for different treated steels.
Performance Assessment of Plant-Produced Warm Recycled Mixtures for Open-Graded Wearing Courses
Authors: Frigio Francesca , Stimilli Arianna , Virgili Amedeo , Canestrari Francesco
Published: October 2017

Sustainable solutions, such as the combination of reclaimed asphalt pavement (RAP) as a partial substitution of virgin materials and warm-mix asphalt (WMA) additives to decrease production temperatures, represent the new research frontier in the asphalt industry. Specific investigations must evaluate the consequences of recycled WMA performance, especially in the case of open-graded (OG) mixtures, given that lower production temperatures can affect the adhesion properties and durability of those materials. This paper describes an experimental effort that involved OG mixtures produced in plant at warm temperatures (130°C) with two WMA chemical additives characterized by different compositions. In addition, an equivalent mixture (used as a control for comparison purposes) was produced at standard temperatures. Each material was prepared with a polymer-modified binder and 15% RAP. The main objective of the study was to characterize volumetric and mechanical properties of the investigated mixtures with particular attention paid to compactability aptitude and durability. To this end, gyratory-compacted specimens were subjected to several laboratory tests after dry and wet conditioning (i.e., indirect tensile strength, Cantabro test, semicircular bending, and repeated indirect tensile loading). Moreover, plant production of the investigated mixtures made it possible to evaluate the feasibility of large-scale processes. The WMA mixtures showed significant water susceptibility, although they guaranteed good compactability and satisfied mechanical acceptance requirements and international recommendations for raveling resistance in dry conditions. The chemical composition of the WMA additives was found essential to reduce the water damage. Surfactants and adhesion enhancers included within one of the investigated WMA additives ensured better water resistance than the other additive classified as a viscous regulator.
Laboratory Comparison of Rejuvenated 50% Reclaimed Asphalt Pavement Hot-Mix Asphalt with Conventional 20% RAP Mix
Authors: Veeraragavan Ram Kumar , Mallick Rajib B. , Tao Mingjiang , Zaumanis Martins , Frank Robert , Bradbury Richard L.
Published: October 2017

The Maine Department of Transportation (DOT) currently allows 20% reclaimed asphalt pavement (RAP) in base and intermediate courses. To help the Maine DOT decide whether RAP could be increased to 50%, this study evaluated the critical laboratory properties of hot-mix asphalt with 50% RAP materials and rejuvenator. The scope of work consisted of preparing 20% and 50% RAP mixes with and without rejuvenators and testing compacted specimens for their volumetric properties, moduli, indirect tensile strength, moisture susceptibility, and low- and intermediate-temperature cracking potential. Two rejuvenators were used: ( a) generic waste vegetable oil and ( b) proprietary, commercially available rejuvenator. Virgin binder, extracted RAP binder, and extracted binder from recycled mixes were tested for continuous performance grading. The results showed that rejuvenators improved the properties of high RAP mixes, and the performance of rejuvenated 50% RAP mixes was equal to that of the currently allowed 20% RAP mixes. Results from semicircular bending tests were used to evaluate and quantify the effect of rejuvenators on mixes with high RAP content. Field trials of 50% RAP mixes were recommended as a result of the study.
Moving Toward Asphalt Binder and Mixture Protocols to Minimize Fatigue Cracking on Asphalt Airfields
Authors: Bennert Thomas , Ericson Christopher , Pezeshki Darius , Shamborovskyy Rostyslav , Bognacki Casimir
Published: October 2017

The Port Authority of New York and New Jersey (PANYNJ) owns and operates two of the most heavily used airports in the United States. Newark Liberty International Airport (Newark) in New Jersey and John F. Kennedy International Airport (JFK) in New York handle approximately 1 million arrivals and departures each year. Although their runways witness an extreme amount of loading, the primary distress observed on them is top-down fatigue cracking with little to no rutting. Recently, the PANYNJ observed premature top-down fatigue cracking at two runways at Newark. After an evaluation of several runways at JFK and Newark, it was discovered that asphalt mixtures of similar design were resulting in varying levels of fatigue cracking performance. For a better understanding of the fatigue cracking performance of asphalt mixtures placed on airport runways in the New York and New Jersey area, a forensic study was conducted on field cores recovered from five runways maintained by PANYNJ. Asphalt binder was recovered and tested from the field cores at different depths from the pavement surface. The test results of the study showed that the Δ Tcr parameter, measured with the critical low-temperature results from a bending beam rheometer, could be used within a purchase specification to help mitigate the potential receipt of asphalt binders prone to accelerated aging and cracking. Meanwhile, the overlay tester and the semicircular bending flexibility index were found to be capable of potential implementation as quality control tests to ensure that asphalt mixtures produced for asphalt airfields in the New York and New Jersey area were not susceptible to top-down fatigue cracking.
Synthesis of Asphalt Binder Aging and the State of the Art of Antiaging Technologies
Authors: Apostolidis Panos , Liu Xueyan , Kasbergen Cor , Scarpas A. Tom
Published: October 2017

“Aging” is the accumulation process of diverse detrimental changes in molecular structures with advancing age. Resistance to aging is termed “durability.” Complex molecular systems such as asphalt binder (AB) need to be protected against aging. This paper provides a state-of-the-art review of antiaging technologies used to prohibit or to rejuvenate aged asphaltic materials. The kinetics of molecular structures during aging and the group of molecules that mainly are affected are discussed. The latest developments in antioxidation and rejuvenation technologies are presented, as well as evidence of the impact of antiaging technologies on AB.
Editorial
Authors: Mom Gijs
Published: October 2017

In the very first issue of Transfers, we invited our readers to “Hop On the Bus,”
to engage in an adventure to rethink mobility, and to reformulate and construe
what we called new mobility studies (NMS), an envisaged amalgam of
historical, humanities, and social science approaches to modern and postmodern
mobilities. Now, seven volumes and seven years (and twenty-one issues
with give or take two hundred main articles and three hundred reviews)
later, at a moment when I consider my time to lead this fascinating project
as coming to an end, we can look back, I venture to conclude, on a period in
which this project stabilized into a transdisciplinary, transnational program
of research with contributions from academic and nonacademic writers from
across the globe.
Introduction
Authors: Adams-Hutcheson Gail , Thorpe Holly , Coleborne Catharine
Published: October 2017

The mobilities framework offers a particularly informative and potent paradigm
through which to draw together interdisciplinary scholarship about the
present world. In this introduction—and indeed, derived from a symposia on
mobilities in a dangerous world—we explore the dynamics of contemporary
mobilities through a critical focus on “dangerous” spaces and places. We discuss
the potential of a sustained dialogue between mobilities studies and our
focus on risk, adversity, and perceptions of danger. Although disasters link to
four of the articles, ideas are expanded to draw on the multiple scales of risk
and danger in everyday life within and across an array of international contexts.
In this special issue, dynamic mobilities are facilitated by ships, skateboards,
buildings, art, and cities; they are also encountered in darkness, in
light, and through bodies as well as physical and imagined movements.
Mobile Disasters
Authors: Matthewman Steve
Published: October 2017

Sociologists of disasters and those agencies dedicated to disaster risk reduction
and emergency relief tend to fix disasters, to confine them in time and
space. This article argues for the necessity of a mobilities turn within mainstream
disaster studies, demonstrating what the new mobilities paradigm
(NMP) can contribute to disaster scholarship. Disasters should be seen as mobile
agents with spatially and temporally dispersed effects. They are mobile because
people, nonhuman life-forms, information, and commodities move. The
ecosystems and earth systems that sustain us are also always in flux. Instead
of focusing on isolated disaster cases, this article calls for a “big picture” ecological
sensibility that recognizes the complexity and interconnectivity of our
world, and addresses the new forms of mobility, temporality, spatiality, and
potency inherent to today’s disasters. This task is urgent: while previous eras
may have announced the apocalypse, ours may well be the last one to do so.
Youth and Alternative Sporting (Im)mobilities in Disrupted and Conflicted Spaces
Authors: Thorpe Holly
Published: October 2017

This article advocates the value of a mobilities approach to examining the lived
experiences of youth in contexts of war, conflict, and disaster. With the aim of
moving beyond “victim” narratives, it critically examines three cases of youth
engagement in alternative sporting forms in post-earthquakes Christchurch
and conflict-torn Afghanistan and Gaza. These are contexts in which youth
physical mobilities are highly constrained, yet in each of these cases we also
see youth creatively developing an array of strategies and initiatives to help
improve their own and others’ health and well-being, for social and physical
pleasure, and in some cases to challenge power relations. The three brief cases
highlight the multiple and complex layers of transnational mobilities, with
the flows of people, objects, and ideas across borders, being negotiated and
(re)appropriated by youth in locally specific ways.
Afterword
Authors: Sheller Mimi
Published: October 2017

The articles in this special issue show how a theoretical approach informed by
the mobilities turn can reveal new facets of the history of dangerous mobility.
This afterword draws together some of these lessons concerning materialities,
bodily sensations, and performativity, and then considers how we might study
these aspects of danger and mobility from an international, comparative, and
historical methodological perspective.