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Performance of multi-storey structures with high damping rubber bearing base isolation systems
Turan Karabork 국제구조공학회 2011 Structural Engineering and Mechanics, An Int'l Jou Vol.39 No.3
Base isolation, having quite simple contents, aims to protect the buildings from earthquakeinduced damages by installing structural components having low horizontal stiffness between substructure and superstructure. In this study, an appropriate base isolation system for 2-D reinforced concrete frame is investigated. For different structural heights, the structural systems of 2, 3 and 4 bays are modeled by applying base isolation systems and results are compared with conventional structural systems. 1999 Marmara earthquake data is used for applying the model by time history method in SAP2000 package. Results of various parameters such as base shear force, structure drift ratio, structure period and superstructure acceleration are discussed for all models.
Leaching kinetics of Chevreul's salt in hydrochloric acid solutions
Turan Calban,Soner Kuslu,Burak Kaynarca,Sabri Colak 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
The aim of this study was to investigate the dissolution kinetics of Chevreul’s salt in hydrochloric acid [HCl] solutions in a mechanical agitation system and to precipitate Chevreul’s salt [Cu2SO3 CuSO3 2H2O] using ammonium sulfide [(NH4)2SO3] solutions at various concentrations from synthetic aqueous copper(II) sulfate [CuSO4] solutions. Reaction temperature, concentration of HCl, stirring speed and solid/liquid ratio were selected as parameters. The experimental results were successfully correlated by linear regression using Statistica Package Program. Dissolution curves were evaluated in order to test shrinking core models for solid–fluid systems. It was observed that increase in the reaction temperature and decrease in the solid/liquid ratio causes an increase the dissolution rate of Chevreul’s salt. The dissolution extent is highly increased with increase the concentration of HCl solutions in the experimental conditions. The activation energy was found to be as 57 kJ/mol. The leaching of Chevreul’s salt was controlled by diffusion through the ash or product layer.
METHODOLOGICAL VARIATIONS IN TEXTBOOKS OF TURKISH GRAMMAR AND SYNTAX USED IN TURKISH UNIVERSITIES
TURAN, FIKRET Academia Via Serica 2018 Acta Via Serica Vol.3 No.1
Textbooks of Turkish grammar and syntax that are commonly used in Turkish universities demonstrate certain differences of approach, interpretation and terminology of syntax. In this article, I analyze the syntactic approaches that are implemented in the grammar works of Muharrem Ergin, Tahsin $Banguo{\breve{g}}lu$ and Tahir Nejat Gencan, and in the syntax works of Leyla Karahan, Mustafa ${\ddot{O}}zkan$ & Veysi Sevinçli and H. ${\dot{I}}brahim$ Delice as the most commonly used textbooks, and determine resemblances and variations of syntactic approaches between them. It is concluded that, among others, the most prominent differences between these works concern the constructions of the non-finite subordination, the ki-subordination and compound sentences.
Turan, Asli,Onenc, Sibel Soycan Asian Australasian Association of Animal Productio 2018 Animal Bioscience Vol.31 No.8
Objective: This study was carried out to determine the effects of cumin essential oil on the silage fermentation, aerobic stability and in vitro digestibility of alfalfa silages. Methods: Alfalfa was harvested at early bloom (5th cutting) stage in October and wilted for about 3 hours. The research was carried out at three groups which were the control group where no additive control was done (CON), cumin essential oil (CMN3) with 300 mg/kg and CMN5 with 500 mg/kg cumin essential oil addition. Alfalfa was ensiled in plastic bags. The packages were stored at $8^{\circ}C{\pm}2^{\circ}C$ under laboratory conditions. All groups were sampled for physical, chemical and microbiological analysis 120th day after ensiling. At the end of the ensiling period, all silages were subjected to an aerobic stability test for 7 days. In addition, enzimatic solubility of organic matter (ESOM), metabolizable energy (ME), and relative feed value (RFV) of these silages were determined. Results: pH level decreased in the cumin groups compared to CON (p<0.05), thus inhibiting proteolytic enzymes from breaking down proteins into ammonia. In addition, it increased ESOM amount, and concordantly provided an increase of ME contents. Similarly, dry matter intake and RFV ratio increased. After opening the silage, it kept its aerobic stability for three days. Conclusion: Cumin essential oil improved fermentation, and affected chemical and microbiological characteristics of silages. Especially the addition of 300 mg/kg cumin provided cell wall fractionation through stimulating the activities of enzymes responsible. It also increased the number and activity of lactic acid bacteria (LAB) through providing a development of LAB.
Analysis of C-Reactive Protein and Biochemical Parameters in Pericardial Fluid
Turan Ege,Melih Hulusi US,Mustafa Cikirikcioglu,Cavidan Arar,Enver Duran 연세대학교의과대학 2006 Yonsei medical journal Vol.47 No.3
This study was designed to examine the relationship between pericardial fluid and plasma CRP levels, and to alterations in other biochemical parameters in patients undergoing Coronary Artery Bypass Grafting (CABG). The study group consisted of 96 Coronary Artery Disease (CAD) patients who were referred to our clinic for a CABG procedure and from whom sufficient amount of pericardial fluid could be collected. The patients were classified into 3 groups: Stable Angina Pectoris (SAP) (n=27), Unstable Angina Pectoris (USAP) (n=36), and Post-Myocardial Infarction (PMI) (n=33). Levels of CRP, glucose, albumin, total protein, Creatine Kinase (CK), Creatine Kinase-MB (CK- MB), and Lactate Dehydrogenase (LDH) were determined in pericardial fluid samples and in simultaneously collected blood samples from radial artery. The pericardial CRP and LDH levels in the PMI group were higher than in the SAP (p=0.015 and p=0.000, respectively) and USAP (p=0.011, p=0.047) groups. Serum CRP levels in USAP (p=0.014) and PMI (p= 0.000) groups were higher than those in the SAP group. Pericardial albumin levels in the PMI group were higher than in the USAP group (p=0.038). In all groups, the pericardial fluid/serum protein ratio was > 0.5, the LDL ratio was >0.6, and pericardial fluid LDH concentrations were >300mg/dl. CRP level of pericardial fluid was significantly higher in the PMI group than in other groups. However, pericardial fluid LDH levels were higher than blood LDH levels in this group and were also higher than pericardial fluid LDH levels of other groups.
Accuracy of Frozen Sections for Intraoperative Diagnosis of Complex Atypical Endometrial Hyperplasia
Turan, Taner,Karadag, Burak,Karabuk, Emine,Tulunay, Gokhan,Ozgul, Nejat,Gultekin, Murat,Boran, Nurettin,Isikdogan, Zuhal,Kose, Mehmet Faruk Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.5
Objective: The purpose of this study was to correlate the histological diagnosis made during intraoperative frozen section (FS) examination of hysterectomy samples with complex atypical endometrial hyperplasia (CAEH) diagnosed with definitive paraffin block histology. Methods: FS pathology results of 125 patients with a preoperative biopsy showing CAEH were compared retrospectively with paraffin block pathology findings. Results: Paraffin block results were consistent with FS in 78 of 125 patients (62.4%). The FS sensitivity and specificity of detecting cancer were 81.1% and 97.9%, with negative and positive predictive values of 76.7%, and 98.4%, respectively. Paraffin block results were reported as endometrial cancer in 77 of 125 (61.6%) patients. Final pathology was endometrial cancer in 45.3% patients diagnosed at our center and 76.9% for patients who had their diagnosis at other clinics (p=0.018). Paraffin block results were consistent with FS in 62.4% of all cases Consistence was 98.4% in patients who had endometrial cancer in FS. Conclusion: FS does not exclude the possibility of endometrial cancer in patients with the preoperative diagnosis of CAEH. In addition, sufficient endometrial sampling is important for an accurate diagnosis.
Atypical β-Catenin Activated Child Hepatocellular Tumor
Turan, Aynur,Unlu, Havva Akmaz,Karakus, Esra,Erdem, Arzu Yazal,Yakut, Zeynep Ilerisoy The Korean Society of Pediatric Gastroenterology 2015 Pediatric gastroenterology, hepatology & nutrition Vol.18 No.2
Hepatocellular adenomas are a benign, focal, hepatic neoplasm that have been divided into four subtypes according to the genetic and pathological features. The ${\beta}$-catenin activated subtype accounts for 10-15% of all hepatocellular adenomas and specific magnetic resonance imaging features have been defined for different hepatocellular adenomas subtypes. The current study aimed to report the magnetic resonance imaging features of a well differentiated hepatocellular carcinoma that developed on the basis of ${\beta}$-catenin activated hepatocellular adenomas in a child. In this case, atypical diffuse steatosis was determined in the lesion. In the literature, diffuse steatosis, which is defined as a feature of the hepatocyte nuclear factor-$1{\alpha}$-inactivated hepatocellular adenomas subtype, has not been previously reported in any ${\beta}$-catenin activated hepatocellular adenomas case. Interlacing magnetic resonance imaging findings between subtypes show that there are still many mysteries about this topic and larger studies are warranted.