117 research outputs found

    Understanding Formation and Structure of Peptide Nanofibers via Steered MD Simulations

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    Devlet Ic Borclanma Senetleri Icin Getiri Egrisi Tahmini

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    Piyasa katilimcilarinin faiz beklentilerini yansitan getiri egrisinin tahmini mali analizin temel taslarindandir. Bu makalede getiri egrilerinin temel ozelliklerini tanitip, bilgimiz dahilinde ilk defa, Turkiye için uzun vadeli sabit kuponlu bonolarin da tahmine dahil edildigi yuksek frekansta getiri egrisi tahminleri sunuyoruz. Gunluk olarak tahmin edilen bu getiri egrileri piyasa katilimcilarinin makroekonomik gelismelere tepkilerini olcmek için uygun araclardir. Bu makalede getiri egrilerinden elde edilen sabit vadeli faizlerin para politikasi, enflasyon verisi açiklamasi, stopaj oranlarinin degismesi gibi olaylara verdikleri tepkiler vaka calismasi ornekleri olarak sunulmustur.

    Kentleşme-kentlileşme sürecinde sivil toplum örgütlerinin rolü: Ankara’da bir semt derneği ve gecekondu mahallesi örneğinde bir değerlendirme

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    The discussion on urbanization in Turkey is now enriched by the concepts of urban participation and local democracy. This study is based on a research conducted for understanding the relationship between gecekondu and civil society in the frame of participation and urban participation.  In the study, which aims to present the relation between Şirindere neighborhood and an NGO as a neighborhood organization “Çiğdemim” in Çiğdem district, Ankara; the results show that the picture was far away from integrated participation for the neighborhood citizens. The place of civil society in the urban participation and the role of dialogue and interaction in overcoming the obstacles are emphasized.Ülkemizde süregelen kentleşme-kentlileşme tartışmaları bugün, kentsel katılım ve yerel demokrasi kavramları ile daha da zenginleşmiştir. Bu çalışmada, kentsel katılım kavramı ve katılımın gerçekleşmesinde sivil toplumun algılanma biçimi; Ankara’da bir semt derneği ve bu derneğin temsil ettiği semtin sakinleri örneğinde tartışılmıştır. Çalışma, Ankara Çiğdem Mahallesi’nin hemen yanı başında bulunan ve bir gecekondu mahallesi özelliğinde olan Şirindere Mahallesi sakinleri ile her iki mahalleyi de temsil etmek üzere kurulmuş olan Çiğdemim Derneği arasındaki ilişkileri ortaya koymayı amaçlamıştır. Araştırma sonucunda, bu ilişkinin kentsel katılım tablosundan uzak olunduğu görülmüştür. Kentleşme-kentlileşme sürecinde sivil toplum örgütlerinin yeri ve katılımın önündeki engellerin aşılmasında karşılıklı diyalog ve etkileşimin önemi vurgulanmıştır

    The psycho-social needs of displaced Syrian youth in Turkish schools:A qualitative study

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    This study investigates major challenges encountered by Syrian refugee youth in public high schools in Turkey, focusing on three sources of assessment: the refugee students themselves and their parents and educators. Based on qualitative interpretive research methodology, twenty-three individual semi-structured interviews were conducted. The study simultaneously hears the voices of the Syrian refugee students as well as those of their parents, teachers, and principals. Making friends among Turkish peers, social integration in school and the host society, discrimination, feeling lonely or even depressed, and other displacement problems are the crucial issues identified by this study. While most of the teachers and principals interviewed focused more on academic problems as the main reason for the deterioration of the majority of Syrian youth's education, refugee students and their parents claimed that the psycho-social challenges are more difficult and thus problematic. © 2021 Birlesik Dunya Yenilik Arastirma ve Yayincilik Merkezi. All rights reserved

    Current practice and novel approaches in organ preservation

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    Organ transplantation remains the only treatment option for patients with end-stage organ failure. The last decade has seen a flurry of activity in improving organ preservation technologies, which promise to increase utilization in a dramatic fashion. They also bring the promise of extending the preservation duration significantly, which opens the doors to sharing organs across local and international boundaries and transforms the field. In this work, we review the recent literature on machine perfusion of livers across various protocols in development and clinical use, in the context of extending the preservation duration. We then review the next generation of technologies that have the potential to further extend the limits and open the door to banking organs, including supercooling, partial freezing, and nanowarming, and outline the opportunities arising in the field for researchers in the short and long term

    Les monuments byzantins d'Adrianoupolis

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    Adrianoupolis, or with its current name Edime, was one of the most important cities of Thrace during the ancient era. Located in Eastern Thrace, in the area of the intersection of Hebrus River (Evros in Modern Greek, Meri9 in Modern Turkish and Maritsa in Slavic languages), Arda and Tunca rivers, Adrianoupolis, during the Roman era, was located on the heart of BelgradeSofia- Constantinople military road and maintained close connections with the nearby - 250 km far away - Byzantine capital. The city, during the ancient times was referred to by the names of Uskudama, Orestiada or Orestian respectively. (Samothrakis 1963: 15) Included in the Roman Empire borders in AD 46-47, the city was re-established by Roman Emperor Hadrian in AD 127 and given its new name after its founder: Hadrianopolis or Adrianoupolis

    The relationship between corporate reputation and organizational citizenship behavior: a comparative study on TV companies and banks

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    Corporate reputation (CR) is an increasingly emphasized issue in the management and organizational studies. Many research studies on the corporate reputation have revealed the impact of that issue on the informal performances of employees. The purpose of this study is to determine the relationship between corporate reputation and organizational citizenship behavior (OCB). The survey method has been conducted through random sampling. Four TV companies and four banks have been included in the survey. Results have been evaluated comparatively across two different sectors. The research has been composed of two parts; in the first part the corporate reputations of the chosen companies have been measured according to the Cravens et al. (2003) index. In the second part of the research the organizational citizenship behaviors of the employees in the eight companies have been measured and the relationship between corporate reputations of the companies and the employees' OCBs have been analyzed through the correlation and regression analysis. It is revealed that there is a statistically significant effect of CR on OCB

    Delayed vs. immediate placement of restorative materials over Biodentine and RetroMTA: a micro-shear bond strength study

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    Abstract Background The aim of the present study was to investigate the micro-shear bond strength (µSBS) of various restorative materials applied on two different fast-setting calcium silicate-based materials and to evaluate the effect of restoration time on µSBS. Methods A total of 180 acrylic blocks with a cavity in the center were randomly divided into 2 main groups according to the capping material to be used (Biodentine or RetroMTA). The specimens were also randomly divided into 3 groups according to the restoration time (3 min, 12 min, 24 h). After the specified waiting periods, glass hybrid material (EQUIA Forte HT), resin composite (Filtek Z550) and light-cured calcium silicate material (Theracal LC) were placed on the specimens with tygon tubes. The specimens were kept for 24 h and then subjected to µSBS test. Statistical analysis was performed by 3-way ANOVA followed by Tukey test for pairwise comparisons (α = 0.05). Results There is a statistically significant difference (p  12 min > 3 min). The µSBS obtained for the Biodentine-resin composite at the end of the 3 min setting time is significantly lower (p < 0.05) than the µSBS values at 12 min and 24 h. For both calcium silicate cements, at the end of all time periods, the µSBS obtained when resin composite was applied at the end was higher than the other materials (p < 0.05). Conclusions For Biodentine-resin composite bonding, the manufacturer’s recommendation of 12 min can be considered an appropriate time, whereas for RetroMTA-resin composite bonding, the µSBS increased as the waiting time increased. Regardless of the waiting time, it is recommended to prefer direct composite resin restoration over Biodentine and RetroMTA
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