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Search Results: 1 - 10 of 232 matches for " Sevgi Yigit "
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A Complete CAD Model for Type-I Quantum Cascade Lasers with the use of Artificial Bee Colony Algorithm
Sevgi Yigit,Bulent Tugrul,Fatih Vehbi Celebi
Journal of Artificial Intelligence , 2012,
Abstract: In this study, a simple and a single complete CAD model is obtained for type I quantum cascade laser based on characteristic quantities (optical gain, refractive index change, linewidth enhancement factor). The model is based on Artificial Neural Networks (ANNs) which is optimized by a new algorithm called Artificial Bee Colony (ABC). The developed model is capable of making fast and reliable predictions which is very useful in the CAD design of related systems. The inputs of the model are injection current and wavelength, respectively. The model agrees very well with the experimental findings that are previously published.
A Review Study on the Marriage and Relationship Research in Turkey  [PDF]
Sevgi Guney
Psychology (PSYCH) , 2011, DOI: 10.4236/psych.2011.25077
Abstract: The aim of this study is to examine the studies on marriage and relationship in Turkey.127 studies (82 research studies and 45 scale studies) published and unpublished between 1997-2008 were examined toprovide an overview for professionals about the marriage and relationship research done in Turkey. The studies were reviewed in terms of their general characteristics, conceptual frameworks and methods of investigation. The results were discussed and suggestions were given in terms of future directions.
Renal Amyloidosis Following Chronic Osteomyelitis in a Patient with Congenital Insensitivity to Pain and Anhidrosis  [PDF]
Sevgi Yavuz, Aydin Ece
Open Journal of Pediatrics (OJPed) , 2014, DOI: 10.4236/ojped.2014.43032
Abstract: Congenital insensitivity to pain and anhidrosis (CIPA) is a rare form of hereditary sensory and autonomic neuropathy. It is characterized by impaired perception of pain and temperature, anhidrosis and intellectual disability. Self mutilating behaviors lead to accidental injuries. The limb lesions are often infected and frequently progress to chronic osteomyelitis. In pediatrics, amyloidosis usually occurs secondary to chronic inflammatory diseases. The coexistence of amyloidosis and CIPA has not previously been reported in literature. A CIPA case complicated with nephrotic syndrome and renal amyloidosis following chronic osteomyelitis is presented here. This report emphasizes the importance of close follow-up of patients by urine analysis for the risk of developing amyloidosis particularly in the presence of chronic infections.
A Study on the Effects of Family and Delinquent Peers on Juvenile Delinquency in Turkey  [PDF]
Tulin G. Icli, Sevgi Coban
Advances in Applied Sociology (AASoci) , 2012, DOI: 10.4236/aasoci.2012.21009
Abstract: The aim of this article is to explore the effects of peers and family on juvenile delinquency. Open-ended and multiple choice questionnaires were applied to 1526 juveniles in two cities of Turkey; Ankara and Istanbul. Consistent with the literature findings showed that the family has an indirect and partial effect on juvenile’s tendency to commit crime because they cannot provide organized social networks, role models, and social controls for their children. On the other hand, by developing a differential association with the juvenile, by which violence and criminal acts are learned, legitimated, supported or encouraged; the peer network has a direct and an incredible influence to initiate the juvenile into crime.
Unusual Initial Presentation Of Celiac Disease in Children: Three Case Reports  [PDF]
Sevgi Buyukbese Sarsu, Mustafa Demirci
Open Journal of Pediatrics (OJPed) , 2016, DOI: 10.4236/ojped.2016.61010
Abstract: Background: The togetherness of invagination with celiac disease is an extremely rare condition especially in children. However, invagination may be the presenting symptom of celiac disease. Moreover, recurrent invaginations have been also reported in patients with celiac disease. Aim: To increase the awareness of clinicians about togetherness of these conditions. Case Presentation: Herein, we will discuss three children with diagnosis of celiac disease who presented with invagination and intestinal pseudo-obstruction. Conclusion: Children with pseudo-obstruction and invagination without an underlying etiology should be evaluated for the presence of celiac disease, especially if they have accompanying growth retardation or anemia and if they are at an unusual age for invagination. Further studies are warranted to elucidate the exact relationship of invagination with celiac disease.
A New Electromagnetic Engineering Program and Teaching via Virtual Tools
Levent Sevgi
PIER B , 2008, DOI: 10.2528/PIERB08031103
Abstract: The societal and technological priorities of the world have been continuously changing because of complex computer and technology-driven developments in everywhere like communications, health, defense, economy, etc. Electromagnetic (EM) systems have become more and more complex however the explosive growth of computer capabilities has revolutionized the design and analysis of such complex systems. This has made interdisciplinary exposure necessary in modern EM engineering, also has brought up discussions of educational challenges and novel teaching approaches that confront wave-oriented EM engineering in the 21st century. This paper reviews EM computer simulation strategies and summarizes novel virtual tools that may be used in connection with classical EM lectures as well as with a newly proposed EM Engineering Program.
The Library and Documentation Center of the Turkish Grand National Assembly The Library and Documentation Center of the Turkish Grand National Assembly
Sevgi Korkut
Türk Kütüphanecili?i , 1995,
IFLA 93 Parlamento Kütüphaneleri Seksiyonu
Sevgi Korkut
Türk Kütüphanecili?i , 1993,
The venom gland of the scorpion species Euscorpius mingrelicus (Scorpiones: Euscorpiidae): morphological and ultrastructural characterization
Yigit, N;Benli, M;
Journal of Venomous Animals and Toxins including Tropical Diseases , 2008, DOI: 10.1590/S1678-91992008000300007
Abstract: the histology and ultrastructure of venom glands in the scorpion euscorpius mingrelicus (kessler, 1874) are described and illustrated in the current study for the first time by employing light microscopy and transmission electron microscopy (tem). the venom apparatus is composed of a pair of venom glands and a stinger, both situated in the last segment of the metasoma. the venom glands are completely separate but similar. the two glands are segregated within the telson by striated muscle bundles, and their outer surfaces are surrounded by a cuticle. an internal layer constitutes the secretory epithelium. this epithelium is made up of simple columnar cells. the nucleus and organelles involved in cellular synthetic activity are situated basally. in the apical portion, near the gland lumen, there are many secretory granules of different sizes, shapes and electron densities.
Fine structural analysis of the stinger in venom apparatus of the scorpion Euscorpius mingrelicus (Scorpiones: Euscorpiidae)
Yigit, N;Benli, M;
Journal of Venomous Animals and Toxins including Tropical Diseases , 2010, DOI: 10.1590/S1678-91992010005000003
Abstract: in this study, the morphology, histology and fine structure of the stinger, a part of the venom apparatus of euscorpius mingrelicus (kessler, 1874) (scorpiones: euscorpiidae) were studied by light microscopy and transmission electron microscopy (tem). the stinger, located at the end section of the telson, is sickle-shaped. the venom is ejected through a pair of venom pores on its subterminal portion. both venom ducts extend along the stinger without contact with each other since they are separated by connective tissue cells. the stinger cuticle is composed of two layers. additionally, there are many pore canals and some hemolymph vessels in the cuticle. this work constitutes the first histological and fine structure study on euscorpius mingrelicus stinger.
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