Başlık için Mühendislik ve Doğa Bilimleri Fakültesi listeleme

Two-stage bimodal volcanism in a Late Cretaceous arc/back-arc setting, NE Turkey: Constraints from volcano-stratigraphy, zircon U–Pb and 40Ar/39Ar geochronology and whole-rock elemental and Sr-Nd-Pb isotope geochemistry

Oğuz-Saka, Simge; Aydin, Faruk; Karsli, Orhan; Dokuz, Abdurrahman; Aiglsperger, Thomas; Miggins, Daniel P.; Şen, Cüneyt; Kandemir, Raif; Sarı, Bilal; Koppers, Anthony A.P (Elsevier B.V., 2023)

The eastern Blacksea magmatic arc (EBMA) in the eastern Sakarya Zone (ESZ) provides an excellent opportunity to investigate birth of an extensional intra-arc and back-arc settings in the Late Cretaceous over the Early ...

U-Pb geochronology, bulk-rock geochemistry and petrology of Late Cretaceous syenitic plutons in the Gölköy (Ordu) area (NE Turkey): Implications for magma generation in a continental arc extension triggered by slab roll-back

Temizel, İrfan; Arslan, Mehmet; Yücel, Cem; Abdioğlu Yazar, Emel; Kaygusuz, Abdullah; Aslan, Zafer (2019-01)

Late Cretaceous felsic plutons in the Eastern Pontides orogenic belt of Turkey are found in varying ages, sizes and compositions. The Late Cretaceous syenitic bodies, namely Direkli and Yeniköy Tepe plutons in the Ordu ...

U-Pb SHRIMP zircon ages, geochemical and Sr-Nd isotopic Compositions of the Late Cretaceous I-type Sarıosman pluton, Eastern Pontides, NE Turkey

Kaygusuz, Adullah; Chen, Bın; Aslan, Zafer; Sıebel, Wolfgang; Şen, Cüneyt (2009)

Doğu Pontidler’de Geç Kretase yaşlı Sarıosman plutonu’nun petrojenezi ve U-Pb SHRIMP zirkon yaşları, tüm kayaç Sr-Nd izotop verileri ve arazi, petrografik ve tüm kayaç jeokimyasal verilerine dayanarak irdelenmiştir. I-tipi ...

U-Pb zircon chronology and petrogenesis of Carboniferous plutons in the northern part of the Eastern Pontides, NE Turkey: Constraints for Paleozoic magmatism and geodynamic evolution

Kaygusuz, Abdullah; Arslan, Mehmet; Sipahi, Ferkan; Temizel, Irfan (Elsevier, 2016)

Numerous intrusive rocks of varying ages and compositions exist in the Paleozoic to Tertiary periods in the Eastern Pontides. Carboniferous intrusive rocks are commonly observed in the southern part of the Eastern Pontides. ...

Understanding university students WHO do not want to volunteer in disasters: A qualitative study from Türkiye

Demirbilek, Ömer; Öztürk, Serkan (Elsevier Ltd, 2023)

A functional and sufficient volunteer community is needed to reduce the damage of disasters and to have a rapid response and recovery process. Most of the volunteering studies in disasters in the literature focus on the ...

Uranium migration and radioactive characteristics of the Sarıçiçek and Sarıhan Granodiorites

Altundaş, Suna; Çınar, Hakan (Murat Yakar, 2023)

The radionuclide concentrations of eU (ppm), eTh (ppm), K (%) and dose rate values were measured in Sarıçiçek (Gümüşhane) and Sarıhan (Bayburt) granodiorites for a duration of 5 minutes at each of 532 measurement points. ...

The Use of Symmetric Quartic Potential Well for Noise Filtering

Güneş, Nurhan; Higgins, Matthew D.; Leeson, Mark S. (Fluctuation and Noise Letters, 2018-05-09)

In this letter, a symmetric quartic potential well is considered for use as a low-pass filter in BPAM receivers. By using the BPAM input to force a change in the shape of the well, the output can be considered as the ...

UWB Waveform Design Based on Gaussian Modulated Sinosoidal Signals

Oğuz, Yasin; Kaya, Haydar (ELECO 2014, 2014-11)

Son yıllarda hızla gelişen Aşırı Geniş Bant (AGB) uygulamalar çok geniş bir frekans bandını kullanmaktadırlar. Bu nedenle var olan diğer sistemlerle girişimlerini engellemek için Federal Communications Commission (FCC) ...

ÜÇGEN KAPALI ORTAMDA DÜŞEY YÜZEYE YERLEŞTİRİLEN ENGEL EĞİMİNİN DOĞAL TAŞINIMLA ISI TRANSFERİ ÜZERİNE ETKİSİNİN SAYISAL OLARAK İNCELENMESİ

Sarper, Buğra; Kuvvet, Kemal; Şahin, Birol (11. ULUSAL TESİSAT MÜHENDİSLİĞİ KONGRESİ TESKON2013, 2013-04-17)

Bu çalışmada, yalıtılmış düşey yüzeyine engel yerleştirilen üçgen şeklindeki çatı içerisinde doğal taşınımla ısı transferi sayısal olarak incelenmiştir. Üçgen kapalı ortamın tabanı eğimli yüzeyden daha sıcak olup, düşey ...

Ünlüpınar (Kelkit-Gümüşhane) Pb-Zn±Au Cevherleşmesinin Jeolojik, Jeokimyasal ve Kökensel Olarak İncelenmesi

Akbulut, Kübra; Akaryalı, Enver; Akpınar, İbrahim; Aydınçakır, Emre (2015)

İnceleme alanı Gümüşhane ilinin güneyinde yer alan Kelkit İlçesi Ünlüpınar (Pekün) Beldesine bağlı Eylence Yayla ve Emirinkomu Köyü yakın çevresini kapsamaktadır. Çalışma alanında Kurtoğlu Metamorfikleri, Şenköy Formasyonu ...

U–Pb zircon dating, Sr-Nd whole-rock and Lu-Hf zircon isotope analyses of the Eocene Arslandede pluton, Eastern Pontides, NE Turkey: Implications for mantle source and magma evolution

Kaygusuz, Abdullah; Güloğlu, Zikrullah Samet; Aydınçakır, Emre; Yücel, Cem; Vural, Alaaddin; Siebel, Wolfgang; Jeong, Youn-Joong (Elsevier GmbH, 2024)

The Eastern Pontide Orogenic Belt (EPOB) hosts numerous plutonic bodies with different dimensions, compositions and ages ranging from Paleozoic to Late Eocene in NE Turkey. U-Pb zircon dating suggests that the Arslandede ...

A VALIDATED MATHEMATICAL MODEL FOR SEMICONDUCTOR MEMRISTOR DEVICES

OĞUZ, Yasin; GÜL, Fatih (ICSMD 2018, 2018-08)

Memristors and memristive devices have attracted interest in recent years as circuit elements that will enable new technologies. For this reason, it is important to determine the characteristics of the devices and to specify ...

Waste Heat and Mass Recovery from Boiler Exhaust Gases in a New Generation District Heating System: Energy and Exergy Analysis

Terhan, Meryem (Institute for Ionics, 2023)

The study performs energy and exergy analyses for each component such as boilers, buildings, distribution networks and heat exchangers of a new generation district heating system. Energy and exergy efficiencies are compared ...

WATER QUALITY MODELING AND DISSOLVED OXYGEN BALANCE IN STREAMS: A POINT SOURCE STREETER-PHELPS APPLICATION IN HARSIT CASE

NAS, S. SERKAN; NAS, EVİN (2009)

The Harsit Stream flowing into the Black Sea is an important watershed in the northeastern part of Turkey. The monthly averages of dissolved oxygen, carbonaceous biochemical oxygen demand, temperature, pH, total suspended ...