228 research outputs found

    The effect of Photography on Turkish Painting Art

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    Karanlık kutu gibi basit bir aygıt ile başlayan serüven süreç içinde gösterdiği gelişmeler ile fotoğraf makinesinin keşfine sebep oldu. Fotoğrafın keşfi gerçekleştikten sonra bu aygıt gelişim göstermeye devam etti ve kullanımı toplum nezdinde yaygınlık kazandı. Fotoğrafın icadı sanat tarihi açısından ele alındığında pek çok tartışmaları beraberinde getirdi. Ancak bir şekilde sanat tarihi içinde kendine yer buldu. Ayrıca resim sanatının yapılış ve algılanış biçiminde de değişikliklere sebep oldu. Bu değişikliklere örnek vermek gerekirse: fotoğraf, resim sanatının tasvir işlevine hızlı ve ucuz bir alternatif olduğu ve daha çok tercih edilmeye başlanmış olduğu söylenebilir. Bunun yanı sıra resim sanatına yardımcı bir malzeme olarak da kullanılmaktadır. Fotoğrafın keşfi Avrupa’da duyurulduktan kısa bir süre sonra Batılılaşma girişimleri içinde olan Osmanlı Devleti’nde de duyurusu yapılmış ve ülke topraklarında kısa sürede yaygınlık kazanmıştır. Çağdaş Türk resim sanatının temellerini atan pek çok resim sanatçısı tarafından özümsenerek kullanılmıştır. Günümüzde hala aktif bir şekilde kullanılmaya devam etmektedir.The transformation and development of a simple device that started with a camera obscura over time led to the birth of the invention of the camera. After the discovery of photography, it continued to develop and became widespread. This discovery brought a lot of controversy in terms of art history. As the discussions continued, photography found a place in art history. It caused changes in the way the art of painting is made and perceived. As an example of these reasons, it can be said that the camera is a fast and inexpensive alternative to the description function of the art of painting and has started to be preferred more. In addition, it is used as an auxiliary material in the art of painting. Shortly after the discovery of the photograph, its announcement was made in the Ottoman Empire, which was in the attempts of westernization, and it became widespread in the country's lands in a short time. It has been used by many artists who laid the foundations of contemporary Turkish painting, both as an auxiliary material and by assimilating its documentation function. Photography continues to be actively used in our art history today

    Yapay Sinir Ağları ile Web İçeriklerini Sınıflandırma

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    Recent developments and widespread usage of the Internet have made business and processes to be completed faster and easily in electronic media. The increasing size of the stored, transferred and processed data brings many problems that affect access to information on the Web. Because of users’ need get to access to the information in electronic environment quickly, correctly and appropriately, different methods of classification and categorization of data are strictly needed. Millions of search engines should be supported with new approaches every day in order for users to get access to relevant information quickly. In this study, Multilayered Perceptrons (MLP) artificial neural network model is used to classify the web sites according to the specified subjects. A software is developed to select the feature vector, to train the neural network and finally to categorize the web sites correctly. It is considered that this intelligent approach will provide more accurate and secure platform to the Internet users for classifying web contents precisely

    Severe Immune Thrombocytopenia in Pregnancy Treated with Eltrombopag. A Case Report.

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    Immune Thrombocytopenia (ITP) which is a common, acquired and autoimmune disease is defined as low platelet count secondary to increased platelet destruction or impaired thrombopoiesis by anti-thromboycte antibodies. Pregnancy-associated thrombocytopenia accounts for 5% of all the cases. Thrombopoietin (TPO) mimetic drugs, such as Eltrombopag, have been used successfully in many patients with ITP; however data on its use in pregnancy is limited. In this report, a case who was followed up with ITP and given Eltrombopag during her pregnancy, cause it could not have been controlled by any other treatment is presented. Enoxaparin therapy was iniatiated for thromboprophylaxis after the patient’s platelet count responded to Eltrombopag treatment. Delivery was carried out by cesarean section. Baby was born with low birth weight and there was not any malformation. Nevertheless, further research is needed to find out whether there is a relationship between Eltrombopag use in pregnancy and low birth weight

    1-[2-(2,6-Dichloro­benz­yloxy)-2-(2-fur­yl)eth­yl]-1H-1,2,4-triazole

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    In the mol­ecule of the title compound, C15H13Cl2N3O2, the triazole ring is oriented at dihedral angles of 2.54 (13) and 44.43 (12)°, respectively with respect to the furan and dichloro­benzene rings. The dihedral angle between the dichloro­benzene and furan rings is 46.75 (12)°. In the crystal structure, inter­molecular C—H⋯O hydrogen bonds link the mol­ecules into centrosymmetric dimers and π–π contacts between dichloro­benzene rings [centroid–centroid distance = 3.583 (2) Å] may further stabilize the structure. Inter­molecular C—H⋯π contacts between the triazole and furan rings also occur

    1-[2-(2,4-Dichloro­benz­yloxy)-2-phenyl­ethyl]-1H-1,2,4-triazole

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    In the mol­ecule of the title compound, C17H15Cl2N3O, the triazole ring is oriented at dihedral angles of 9.24 (6) and 82.49 (6)°, respectively, with respect to the phenyl and dichloro­benzene rings. The dihedral angle between the dichloro­benzene and phenyl rings is 88.57 (5)°. An intra­molecular C—H⋯O contact results in the formation of a planar five-membered ring

    1-[2-(2,4-Dichloro­benz­yloxy)-2-(2-fur­yl)eth­yl]-1H-1,2,4-triazole

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    In the mol­ecule of the title compound, C15H13Cl2N3O2, the triazole ring is oriented at dihedral angles of 14.8 (2) and 81.5 (1)° to the furan and dichloro­benzene rings, respectively. The dihedral angle between the dichloro­benzene and furan rings is 86.3 (2)°. An intra­molecular C—H⋯O hydrogen bond results in the formation of a planar [maximum deviation 0.012 (2) Å] five-membered ring, which is oriented at a dihedral angle of 0.90 (7)° with respect to the dichloro­benzene ring. There is an inter­molecular C—H⋯π contact between the methyl­ene group and the dichloro­benzene ring

    An Optimization Approach for a Fresh Food Supply Chain: An Application for the Orange Supply Chain Design in Turkey

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    The optimization of supply chain problems in various industry areas is crucial in terms of controlling the quality of the products and costs during the supply chain processes. Protecting and controlling the quality of the product in the food supply chain processes while minimizing the cost is a difficult and critical problem in the food industry. In this study, an application of a model that integrates the quality of the food in decision-making on distribution and production in a food supply chain is implemented using real-life data in Turkey. The degradation of quality of products in storage or transportation is usually based on the storage temperature, storage time, and other constants such as activation energy. Therefore, prediction for the quality of food products is a complex task because of the dynamics of storage conditions and various product characteristics. A methodological approach is proposed to model the degradation of food quality in this study. The rate of quality degradation of food products is evaluated by the proposed approach. A mixed-integer programming model is developed for the optimization of distribution and production planning. To solve the problem, GAMS (General Algebraic Modeling System) CPLEX solver is used as an optimization tool. The results of the case study shows that the suggested model in this study is implementable to the problem with acceptable solution time. In addition, the suggested model is adaptable for different types of food supply chains. This study aims to develop a methodological approach that can be used as a guide for decision-makers

    1-Phenyl-2-(1H-1,2,4-triazol-1-yl)ethanone

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    In the mol­ecule of the title compound, C10H9N3O, the triazole and phenyl rings are nearly perpendicular to each other, with a dihedral angle of 88.72 (4)°. In the crystal structure, inter­molecular C—H⋯O and C—H⋯N hydrogen bonds link the mol­ecules. There are C—H⋯π contacts between the 1,2,4-triazole rings, and between the phenyl and 1,2,4-triazole rings, and there is a weak π–π contact between the 1,2,4-triazole and phenyl rings [centroid-to-centroid distance = 4.547 (1) Å]

    Yapay Sinir Ağları ile Web İçeriklerini Sınıflandırma

    Get PDF
    Recent developments and widespread usage of the Internet have made business and processes to be completed faster and easily in electronic media. The increasing size of the stored, transferred and processed data brings many problems that affect access to information on the Web. Because of users’ need get to access to the information in electronic environment quickly, correctly and appropriately, different methods of classification and categorization of data are strictly needed. Millions of search engines should be supported with new approaches every day in order for users to get access to relevant information quickly. In this study, Multilayered Perceptrons (MLP) artificial neural network model is used to classify the web sites according to the specified subjects. A software is developed to select the feature vector, to train the neural network and finally to categorize the web sites correctly. It is considered that this intelligent approach will provide more accurate and secure platform to the Internet users for classifying web contents precisely
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