Sürdürülebilir Kalkınma Amaçları
Yazarlar
- Ashyralyyev, Charyyar(18)
- Ashyralyev, A.(15)
- Dogan, Ramazan Ozgur(15)
- Ashyralyev, A(10)
- Ekinci, Murat(9)
- Lukashov, A.(9)
- Kayikçioglu, Temel(8)
- Malkowsky, E(8)
- Özden, Talat(8)
- Akinoglu, Bulent G.(7)
- Memetoglu, M. E.(7)
- Albayrak, Cenk(6)
- Ashyralyev, Allaberen(6)
- Cakir, Zafer(6)
- Dogan, Hulya(6)
- Kayikcioglu, Temel(6)
- Bingol, Ozkan(5)
- Bingöl, Ozkan(5)
- Cakalli, H.(5)
- Canak, I.(5)
- Demir, S.(5)
- Gedikli, Eyup(5)
- Gurtug, O.(5)
- Harte, R.(5)
- Kalkan, A.(5)
- Kandemir, H.S.(5)
- Kocinac, L.D.R.(5)
- Ozden, Talat(5)
- Ozsahin, M(5)
- Sadybekov, M.(5)
- Sahin, H.(5)
- Simsek, Cemaleddin(5)
- Tez, M.(5)
- Turan, I.(5)
- Yildirim, Omer(5)
- Çakmak, Recep(5)
- Akay, K.U.(4)
- Akpulat, Murat(4)
- Aliyazicioglu, Y.(4)
- Altas, Ismail H.(4)
Yayınlar
- BildiriYalnız künye2011MANAGEMENT OF DEEP VEIN THROMBOSIS IN EVLT
Memetoglu, M. E.; Kalkan, A.; Kurtcan, S.; Kara, V.; Ertas, G.; Cetinkaya, A. S.; Talay, S.
- BildiriYalnız künye2011ENDOVENOUS ABLATION WITH LASER FOR THE TREATMENT OF THE GREAT SAPHENOUS VEIN INSUFFICIENCY. IS IT SAFE AND EFFECTIVE?
Memetoglu, M. E.; Kalkan, A.; Kurtcan, S.; Kara, V.; Ertas, G.; Cetinkaya, A. S.; Talay, S.
- BildiriYalnız künye2011A GIANT ANEURYSM OF GREAT SAPHENOUS VEIN PRESENTING AS AN INGUINAL HERNIA AND ENDOVENOUS APPROACH
Memetoglu, M. E.; Erdem, O.; Erbasan, O.
- BildiriYalnız künye2011SUBCLAVIAN VEIN STENOSIS ASSOCIATED WITH TEMPORARY HEMODIALYSIS CATHETER
Memetoglu, M. E.; Kalkan, A.
- BildiriAçık Erişim2011Core competences in non-governmental organizations: A case study
Besler, Senem; Sezerel, Hakan; Ozsahin, M
The aim of this study is to suggest the importance of core competences in the success of nongovernmental organizations. Accordingly, an answer is searched regarding with which activities successful non-governmental organizations can sustain their lives, and whether the core competencies are influential in this success. Çaǧdas. Drama Derneǧi (Contemporary Drama Association), a nongovernmental organization which has continued its activities by competing with profit organizations in the field of creative drama in Turkey for twenty years has been examined in depth with the sample case method. The examination has been conducted through interviews, archive scanning and participant observation. The works of the association have been observed on-site and by participating in the activities, the obtained data have been evaluated within the scope of the research. Its core competence, decision making groups of the society in the domain of education and arts, its other nongovernmental organizations, led by higher education institutions have come forth as establishing result-oriented relationships and relationship management. It is considered that the core competency of the organization, as differentiating competitive ability and competitive power, has provided a competitive edge over its competitors.
- BildiriYalnız künye2011The control of an automatic door using fuzzy logic
Sümbül, Harun; Coşkun, Akif; Taşdemir, Muharrem
In this paper; a fuzzy logic have designed to the control of an automatic door. Input status (WS: Walking Speed and DD: Distance Door) and the output status (DOS: Door Opening Speed) is determined. According to these statuses, rule bases (25 rules) have obtained. And the rules bases have been processed by a fuzzy logic and have tried to control of an automatic door. As a result; in this study, we have obtain very good results in control of an automatic door with fuzzy logic. The results of analyses have indicated that the controls performed with fuzzy logic provided both less time, less probability and reliable, consistent controls and that are feasible to in real.
- BildiriYalnız künye2011Environmental problems from the open dump in Gümüşhane Province and investigation of biological recycling for the organic solid wastes
Nas, S. Serkan; Bayram, Adem; Gokcekus, H; Turker, U; LaMoreaux, JW
This paper presents a general overview of current municipal waste management in Gümüşhane Province. Both the drawbacks of present disposal method are discussed and solution proposals are submitted. The solid waste samples, one sample in every week and total fifty two samples in a year, were taken from the municipal solid waste open dumping area during a year, 2004 March-2005 February. Compostable organic parts of the samples, separated from the mixed municipal solid waste, were analyzed in order to determine the suitability of composting for the disposal of municipal solid wastes in Gümüshane. The moisture content, C/N ratio and pH for all samples were determined and evaluated. The values with high moisture content being 78% (74% in spring, 83% in summer, and 78% in autumn and 77% in winter), relatively low C/N ratio being 21.6/1 (22.2/1 in spring, 16.2/1 in summer, 23.7/1 in autumn and 27.5/1 in winter), and low pH being 4.73 (5.50 in spring, 4.25 in summer, 4.45 in autumn and 4.72 in winter) disclose that composting of the organic wastes aren't suitable.
- BildiriYalnız künye2011Stable difference schemes for fractional parabolic PDE
Ashyralyev, Allaberen; Cakir, Zafer; Simos, TE
The stable difference schemes for the multidimensional fractional parabolic equation with Dirichlet and Neumann boundary conditions are presented. Stability estimates and almost coercive stability estimates with ln 1/τ+|h| for the solution of these difference schemes are obtained. A procedure of modified Gauss elimination method is used for solving these difference schemes of one-dimensional fractional parabolic partial differential equations.
- BildiriYalnız künye2011Comparison of state space controllers with two different observers on an identified water tank system
Özden, Talat; Ciba, Osman Nuri; Okumuş, Halil Ibrahim
In this paper, identification of a water tank system is performed, and controller and observer for identified system are constructed. Identification is done via Linear Black Box Identification which consists of unknown parameters; need to be estimated from measured data. Firstly, PRBS Signal is built using data, which is achieved by analyzing step response of the plant and considering that the change in the input signal may not be too large since we are going to use a linear model to indentify a nonlinear process. Considered linear models are ARX, ARMAX and OE, whose results are compared using different criteria such as simulation, correlation, and pole-zero plots. And the chosen model which is an Armax model will be given explaining the reasons why it is chosen. In the next step, controllability and observability tests are performed for chosen Armax model and observer and controller designs are performed. Predictive and filtering observers are constructed to observe the system and state space feedback controllers with and without integrators are constructed to control the system. Depending on the achieved observers and controllers, response of real system and simulation are compared to find best controller and best observer for the water tank system.
- BildiriYalnız künye2011Ambient and forced vibration tests of a box girder concrete bridge model
Altunisik, A.C.; Bayraktar, A.; Sevim, B.
In this paper, ambient and forced vibration tests of a box girder laboratory con-crete bridge model are described to obtain experimental dynamic characteristics such as natural frequencies, mode shapes and damping ratios. The bridge deck consists of a main span of 3m and two side span of 1.5m each. The total bridge length is 6m and width of bridge is 0.60m. Heights of the bridge column and bridge deck are 0.80m and 0.30m, respectively. In the forced vibration tests, excitation of the bridge model is induced by an impact hammer. The ambient vibration tests are conducted under natural excitation such as wind and small impact effects. The Enhanced Frequency Domain Decomposition method in the frequency domain and the Sto-chastic Subspace Identification method in the time domain are used to extract the dynamic characteristics. At the end of the study, dynamic characteristics obtained from ambient and force vibration tests are compared with each other. It is seen that there is a good agreement be-tween both results and they are nearly closed to each other.
- BildiriYalnız künye2011A logic simplification based on expert system application for TBC diagnosis
Sümbül, Harun; Başçiftçi, Fatih; Lin, JC; Nikita, KS
Tuberculosis (TBC), caused by the bacterium My tuberculosis (Mtb), is a growing international health crisis [1]. TBC is one of the main causes of death produced by infectious illness and is responsible for almost 3 millions deaths every year [2]. In this study, a controlled Expert System (ES) have designed to diagnosis of TBC and truth table have created by considering the probabilities of TBC (12 symptom, 212=4096 different cases). According to the probabilities of TBC, 6 different cases have accepted as output values and reduced rule bases have obtained. These output values have been processed by an ES and have tried to diagnosis of TBC with help to ES. We obtained very good results and the results of analyses carried out indicated that controls performed with ES provide less time, less probability, reliable and consistent diagnosis and that are feasible in real life.
- BildiriAçık Erişim2011The love of money is the root of all evil: Pay satisfaction and cpi as moderators
Tang, Thomas Li-Ping; Sutarso, Toto; Ansari, Mahfooz A.; Lim, Vivien Kim Geok; Teo, Thompson Sian Hin; Arias-Galicia, Fernando; Garber, Ilya; Vlerick, Peter; Liang, Jian; Akande, Adebowale
By incorporating pay satisfaction at Level 1 and Corruption Perceptions Index (CPI) at Level 2, we investigated the relationship between the love of money and self-reported corrupt intent among 6,382 managers in 31 geopolitical entities across six continents. Our significant cross-level three-way interaction effect showed that for managers with high pay satisfaction, the intensity (slope) of the love of money to corrupt intent relationship was almost identical in high or low CPI entities but the former had the lowest magnitude of corrupt intent, whereas the latter had the highest. For those with low pay satisfaction, the slope was the steepest in high CPI entities, but was flat in the low CPI entities and the difference between the two was significant.
- BildiriYalnız künye2011Operational modal testing of an arch type steel highway bridge using SSI technique
Altunişik, A.C.; Bayraktar, A.; Sevim, B.
The paper determines the dynamic characteristics of an arch type steel highway bridge applying ambient vibration testing. A modern steel highway bridge which has arch type structural system with 216m total length and located in the Ayvacik county of Samsun, Turkey is selected as an application. Because of the fact that the bridge connects the villages which are separated with Suat Ugurlu Dam Lake, it has a major logistical importance for this region. The construction of the bridge completed in 2009 and opened the traffic. The experimental meas-urements are carried out by ambient vibration tests under traffic loads. Vibration data are gath-ered from the bridge deck. Measurement time, frequency span and effective mode number are determined considering similar studies in the literature and initial finite element analysis re-sults. Stochastic Subspace Identification technique (SSI) in the time domain are used for the output only modal identification and dynamic characteristics such as natural frequencies, mode shapes and damping ratios are determined, experimentally.
- BildiriYalnız künye2011Hydroxyapatite production on ultrafine-grained pure titanium by micro-arc oxidation and hydrothermal treatment
Alsaran, A.; Purcek, G.; Hacisalihoglu, I.; Vangolu, Y.; Bayrak, O.; Karaman, I.; Celik, A.
In this study, pure-Ti (Grade-2) was severely plastically deformed by equal-channel angular extrusion (ECAE) to improve its strength, and then subjected to micro arc oxidation (MAO) and hydrothermal treatment (HT) to achieve improved surface behavior with hydroxyapatite (HA)-containing titania (TiO(2)) coating. Microstructure, tensile properties and wear behavior of UFG Ti were investigated systematically before and after surface modification. ECAE considerably enhanced the strength of coarse-grained (CG) Ti by forming an ultra-fine grained (UFG) microstructure with high dislocation density. The application of MAO with or without HT did not cause remarkable decrease in strength and ductility of CG and UFG Ti, but resulted in a considerable increase in its wear resistance and osseointegration due to the formation of hard and adhered HA-containing TiO2 coating on the surface. It can be concluded that the use of ECAE plus MAO/HA coating provides a simple and effective procedure to obtain pure Ti with high strength and high wear resistance. The improved bulk and surface properties can make this biocompatible material a good potential candidate for biomedical applications instead of alloys including toxic elements. (C) 2011 Elsevier B.V. All rights reserved.
- BildiriAçık Erişim2010Assessment of Turkish and class teacher candidate's attitudes towards children's literature and children's literature lesson
Ulaş, A. Halim; Kolaç, Emine; Topal, Yakup; Sevim, Oǧuzhan; Keser, H; Ozcinar, Z; Kanbul, S
Purpose of this research is to reveal class and Turkish teacher candidates' attitudes towards children's literature lesson, and works of children's literature. Study group of this research is comprised of students from Classroom Teaching and Turkish Teaching Departments of Faculty of Education of Atatürk University. Answers were sought for the level of classroom teaching and preschool teacher candidates' towards children's literature lesson, and works of children's literature, and whether there is any significant difference is seen in classroom teaching and pre-school teacher candidates' towards children's literature lesson, and works of children's literature in terms gender, and departments. Having the research conducted according to survey method (2007), "Attitude Scale towards Children's Literature, and Children's Literature Lesson", having been developed by ..., and comprised of 35 articles, was made use of. At the end of the research, it was concluded that teacher candidates had developed a positive attitude towards children's literature, and children's literature lesson, and neither gender, nor field differences had significantly affected that attitude.
- BildiriYalnız künye2009Mineralogy and geochemistry of dacitic rocks accompanying the Murgul (Artvin, NE Turkey) massive sulfide deposit
Sipahi, Ferkan; Sen, Cueneyt; Sadiklar, M. Burhan; Demir, Yilmaz
- BildiriYalnız künye2009Alteration of Late Cretaceous dacites in the Murgul Area (Artvin, KD Turkey)
Sipahi, Ferkan; Sadiklar, M. Burhan; Sen, Cueneyt; Demir, Yilmaz
- BildiriYalnız künye2007Which of the criteria is more accurate ADA(IFG100) or IDF(IFG110) for the prediction of IGT 1 and IGT2 at high risk group? The RISK Study Results III
Yilmaz, T.; Sargin, M.; Olmez, B.; Karadeniz, S.; Oguzhan, B.
- BildiriYalnız künye2007Environmental pollution originated from open dumping of solid waste in the cities of Eastern Black Sea
Ersoy, H.; Ersoy, A. Firat; Dag, S.; Berkün, M.
- BildiriYalnız künye2007Sizing of a spherical shell as variable thickness under dynamicloads
Asçi, Nurcan; Uysal, Habib; Uzman, Omit; Inan, E; Kiris, A
In this paper, optimization of a spherical shell under various dynamic loads is investigated. The aim of this optimization problem is to minimize the volume of the shell. Design variables are corner thicknesses of each finite element. Constraints are stresses obtained from von Mises stress criterion not to exceed the yield stress in corner nodal points of each finite element at the top and bottom surfaces of shell and thicknesses are restricted not to be less than 2.5 mm. In addition to shell's own weight, the vertical loads with equal intensity are applied at the nodal points on the upper edge of spherical shell, varying with respect to time function P(t). Time varying load vector is considered three different cases such as step, step after ramp and impulse functions. A program is coded with MapleV for optimization of spherical shell and finite element package program ANSYS is used for structural analysis. Obtained results are presented in graphical and tabular form. Finally, concluded remarks are given.