Sürdürülebilir Kalkınma Amaçları
Yazarlar
- Akpinar, Muhammet Vefa(3)
- Dokuz, Abdurrahman(3)
- Karsli, Orhan(3)
- Nizetic, S(3)
- Papadopoulos, A(3)
- Sevin, Sedat(3)
- Akande, Adebowale(2)
- Al-Zubaidi, Abdulgawi Salim(2)
- Allen, Michael W.(2)
- Ansari, Mahfooz A.(2)
- Arias-Galicia, Fernando(2)
- Aydin, Faruk(2)
- Bobrowicz-Campos, Elzbieta(2)
- Borg, Mark G.(2)
- Brandao, Tania(2)
- Brites, Rute(2)
- Cannella, Valentina(2)
- Canova, Luigina(2)
- Celdrán, Montserrat(2)
- Chacur-Kiss, Karima(2)
- Charles-Pauvers, Brigitte(2)
- Chen, Jingqiu(2)
- Cheng, Bor-Shiuan(2)
- Chiu, Randy Ki-Kwan(2)
- Cin, Aynur(2)
- Correia, Rosario(2)
- Costa Pereira, Francisco Jose(2)
- Du, Linzhi(2)
- Duran, Celal(2)
- Ekinci, Can(2)
- Garber, Ilya E.(2)
- Garcia de la Torre, Consuelo(2)
- Ibrahim, Abdul Hamid Safwat(2)
- Jarasiunaite-Fedosejeva, Gabija(2)
- Jen, Chin-Kang(2)
- Jensen, Rasmus Thybo(2)
- Kaderi, Sina(2)
- Karadeniz, S.(2)
- Kazem, Ali Mahdi(2)
- Kim, Kilsun(2)
Yayınlar
- MakaleYalnız künye2008Landslide susceptibility mapping for a landslide-prone area (Findikli, NE of Turkey) by likelihood-frequency ratio and weighted linear combination models
Akgun, Aykut; Dag, Serhat; Bulut, Fikri
Landslides are very common natural problems in the Black Sea Region of Turkey due to the steep topography, improper use of land cover and adverse climatic conditions for landslides. In the western part of region, many studies have been carried out especially in the last decade for landslide susceptibility mapping using different evaluation methods such as deterministic approach, landslide distribution, qualitative, statistical and distribution-free analyses. The purpose of this study is to produce landslide susceptibility maps of a landslide-prone area (Findikli district, Rize) located at the eastern part of the Black Sea Region of Turkey by likelihood frequency ratio (LRM) model and weighted linear combination (WLC) model and to compare the results obtained. For this purpose, landslide inventory map of the area were prepared for the years of 1983 and 1995 by detailed field surveys and aerial-photography studies. Slope angle, slope aspect, lithology, distance from drainage lines, distance from roads and the land-cover of the study area are considered as the landslide-conditioning parameters. The differences between the susceptibility maps derived by the LRM and the WLC models are relatively minor when broad-based classifications are taken into account. However, the WLC map showed more details but the other map produced by LRM model produced weak results. The reason for this result is considered to be the fact that the majority of pixels in the LRM map have high values than the WLC-derived susceptibility map. In order to validate the two susceptibility maps, both of them were compared with the landslide inventory map. Although the landslides do not exist in the very high susceptibility class of the both maps, 79% of the landslides fall into the high and very high susceptibility zones of the WLC map while this is 49% for the LRM map. This shows that the WLC model exhibited higher performance than the LRM model.
- 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 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.
- BildiriYalnız künye2006Is postprandial 2h glucose level a real determinant for glucose intolerance in people at risk for type 2 diabetes? RISK study results - I
Yilmaz, T.; Sargin, M.; Olmez, B.; Karadeniz, S.; Oguzhan, B.
- MakaleYalnız künye2005The protective role of erdosteine on testicular tissue after testicular torsion and detorsion
Koc, A; Narci, A; Duru, M; Gergerlioglu, HS; Akaydin, Y; Sogut, S
Testicular torsion and detorsion are important clinical problems for infertile man and oxidative stress may have a role in this clinical situation. The aim of this study was to investigate the protective role of erdosteine, an antioxidant, on unilateral testicular reperfusion injury in rats. The rats were divided into four groups including seven rats in each group: control, torsion, torsion/detorsion and torsion/detorsion+erdosteine. Rats, except the sham operation group, were subjected to left unilateral torsion (720 degrees rotation in the clockwise direction) without including the epididymis. The experiments were finished after sham operation time for control, 120 min torsion for torsion group and 120 min torsion and 240 min detorsion for torsion/detorsion groups. Bilateral orchiectomy was performed for all groups of rats. The ipsilateral and controlateral testis were divided into two pieces to analyse biochemical parameters and to investigate the light microscopic view. Malondialdehyde level of ipsilateral testis was increased in torsion and torsion/detorsion groups in comparison with the other groups (p < 0.05). Erdosteine treatment ameliorated lipid peroxidation after torsion/detorsion in ipsilateral testis (p < 0.05). Also, xanthine oxidase activity of ipsilateral testis was increased in torsion/detorsion group in comparison with the others (p < 0.05). Nitric oxide (NO) level of ipsilateral testis was higher in all experimental groups than sham operated control group (p < 0.05). Also, NO level of torsion group was increased in comparison with detorsion groups (p < 0.05). Erdosteine treatment caused increased glutathione peroxidase activity in comparison with torsion and torsion/detorsion groups and catalase activity in comparison with the other groups in ipsilateral testis (p < 0.05). Superoxide dismutase activity of ipsilateral testis was higher in torsion/detorsion and torsion/detorsion+erdosteine groups than control and torsion groups (p < 0.05). The biochemical parameters were not affected in controlateral testis in all groups. Torsion, torsion/detorsion and torsion/detorsion+erdosteine groups showed ipsilateral testicular damage in the histological examination, but the specimens from torsion/detorsion had a significantly greater histological injury than those from the other groups (p < 0.05). Control rats showed normal seminiferous tubule morphology. Rats in torsion group had slight-to-moderate disruption of the seminiferous epithelium. Rats in torsion/detorsion group displayed moderate-to-severe disruption of the seminiferous epithelium. In all animals from torsion/detorsion+erdosteine group, the testicular tissues were affected with slight-to-moderate degenerative changes of the seminiferous epithelium. Administration of erdosteine resulted in a significantly reduced histological damage associated with torsion of the spermatic cord compared with torsion/detorsion. In all groups, the contralateral testes were histologically normal. In conclusion, the results clearly displayed that erdosteine treatment may have a protective role on testicular torsion/detorsion injury.
- DergiNEURORADIOLOGY
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