Ara
Toplam kayıt 43, listelenen: 21-30
Petrogenesis of the post-collisional volcanic rocks from the Borçka (Artvin) area: implications for the evolution of the Eocene magmatism in the Eastern Pontides (NE Turkey)
(Elsevier B.V., 2013-07-04)
Whole-rock geochemistry, 40 Ar– 39 Ar data, and Sr–Nd isotopes are presented for the Eocene Borçka volcanic rocks on the eastern corner of the eastern Pontide orogenic belt (NE Turkey). Borçka (Artvin) volcanic rocks are ...
An analytical approach based on ESI-MS, LC–MS and PCA for the quali–quantitative analysis of cycloartane derivatives in Astragalus spp.
(Journal of Pharmaceutical and Biomedical Analysis, 2013-07-08)
Astragalus species are widely used as health foods and dietary supplements, as well as drugs in traditional medicine. To rapidly evaluate metabolite similarities and differences among the EtOH extracts of the roots of eight ...
Arzular (Gümüşhane, KD TÜRKİYE) Epitermal Altın Cevherleşme Sahasındaki Hidrotermal Alterasyonlar ve Kütle Değişim Hesaplamaları
(Gümüşhane Üniversitesi, 2013-07-19)
Arzular (Gümüşhane, KD Türkiye) epitermal altın cevherleşmesi, Eosen yaşlı Alibaba Formasyonu içinde KD-GB doğrultulu KB’ya eğimli ve yaklaşık DB doğrultulu K’ye eğimli damarlara fay kontrollü olarak yerleşmiştir. Sahadaki ...
The Eastern Black Sea-type volcanogenic massive sulfide deposits: Geochemistry, zircon U–Pb geochronology and an overview of the geodynamics of ore genesis
(Elsevier, 2013-12-11)
The Meso-Cenozoic geodynamic evolution of the eastern Pontides orogenic belt provides a key to evaluate the volcanogenic massive sulfide (VMS) deposits associated with convergent margin tectonics in a Cordilleran-type ...
The Effect of Y2O3 on AC Susceptibility Measurements of MPMG YBCO Superconductor
(SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2013-04)
In this study, two kinds of melt-powder-melt-growth (MPMG) YBCO sample grown on a buffer layer of Y2O3 addition were fabricated. The compacted powders were located on a crucible with Y2O3 powder freely poured and a buffer ...
Effects of Sintering Temperature on Microstructure and Magnetic Properties of Nd–Fe–B Magnets
(SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2013-05)
The sintered Nd-Fe-B (neodymium-iron-boron) magnet has been used for many applications in various fields such as acoustics, communications, and automation due to its excellent properties including high remanence, high ...
K-Ar dating, whole-rock and Sr-Nd isotope geochemistry of calc-alkaline volcanic rocks around the Gümüşhane area: implications for post-collisional volcanism in the Eastern Pontides, Northeast Turkey
(Springer-Verlag Wien, 2013-05-14)
Volcanic rocks from the Gümüşhane area in the southern part of the Eastern Pontides (NE Turkey) consist mainly of andesitic lava flows associated with tuffs, and rare basaltic dykes. The K-Ar whole-rock dating of these ...
KÖŞE NOKTALARINA ENGEL YERLEŞTİRİLEN KARE KAPALI ORTAMDA DOĞAL TAŞINIMLA ISI TRANSFERİ
(19. Ulusal Isı Bilimi ve Tekniği Kongresi, ULIBTK'13, 2013-09-09)
Bu çalışmada, köşe noktalarına engel yerleştirilen kare şeklindeki kapalı ortamda doğal taşınımla ısı transferi sayısal olarak incelenmiştir. Kare şeklindeki kapalı ortamın düşey yüzeyleri farklı sıcaklıklarda tutulurken ...
Nationwide study of Escherichia coli producing extended-spectrum ß-lactamases TEM, SHV and CTX-M in Turkey
(2013-11)
Four hundred and forty extended-spectrum β-lactamase (ESBL)-producing Escherichia coli isolates were collected from 10 different hospitals in Turkey between 2011 and 2012. Clinical specimens consisted of urine (80.45%), ...