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Bulunan: 87 Adet 0.001 sn
Yayın Tarihi : 2019 ✕Koleksiyon : Mühendislik ve Doğa ... ✕
Koleksiyon [7]
İlgili Araştırmacılar [20]
Ambargo Durumu [1]
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Yayın Türü [3]
Yazar/lar [20]
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Erişime Açık

Çelik Bir Yapıda Dışmerkez Diyagonal Çaprazların Etkisi

BAYRAM, Berna | SANCIOĞLU, Sadrettin | ÇARBAŞ, Serdar

Yüksek süneklik ve taşıma gücü gibi özelliklerinden dolayı çelik yapı sistemleri, diğer yapı türlerine göre daha fazla tercih edilmektedir. Yapının, yatay yük taşıma kapasitesini arttırmak ve yanal ötelenmesini azaltmak için çelik çaprazlar kullanılmaktadır. Yapının tasarımında kullanılan çaprazların kesitleri, yönleri ve yerleri yapının yatay yükler altında farklı davranışlar göstermesine neden olmaktadır. Bu çalışmada, dışmerkez diyagonal çelik çaprazlar, Çelik Yapıların Tasarım, Hesap ve Yapımına Dair Esaslar (ÇYTHYE–2018) yönetmeliğine uygun şekilde teşkil edilmişlerdir. Ayrıca, dışmerkez ...Daha fazlası

Makale 2019 KMÜ Mühendislik ve Doğa Bilimleri Dergisi 5 Görüntülenme
Erişime Açık

Dışmerkez V Çaprazların Çelik Bir Yapı Üzerinde İncelenmesi

ARIBAŞ, Semih | SANCIOĞLU, Sadrettin | ÇARBAŞ, Serdar

Betonarme yapılarda deprem etkilerine karşı betonarme perdeler kullanılırken, çelik yapılarda ise çelik çaprazlar tercih edilmektedir. Çelik çaprazlar yatay yükler altında yapının daha fazla yük taşırken, daha az deplasman yapmasını sağlar. Türkiye Bina Deprem Yönetmeliğinde (TBDY-2018) farklı tipte çelik çaprazlara yer verilmiştir. Dışmerkez çelik çaprazlar yapıdaki kolon, kiriş gibi taşıyıcı elemanların yatay yükler altında elastik bölgede kalmasını sağlarken, bağ kirişlerinin elastik ötesi davranış göstermesine izin vermektedir. Bu çalışmada beş katlı, moment aktaran çelik çerçevelerden olu ...Daha fazlası

Makale 2019 KMÜ Mühendislik ve Doğa Bilimleri Dergisi 3 Görüntülenme
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Measurement of D0, D+, D∗+ and D+ production in pp collisions s = 5.02 TeV with ALICE

KARASU UYSAL, Ayben | ALICE Collaboration

The measurements of the production of prompt D0 , D+ , D∗+ , and D+s mesons in proton–proton (pp) col- lisions at √s = 5.02 TeV with the ALICE detector at the Large Hadron Collider (LHC) are reported. D mesons were reconstructed at mid-rapidity (|y| < 0.5) via their hadronic decay channels D0 → K−π+, D+ → K−π+π+, D∗+ → D0π+ → K−π+π+, D+s → φπ+ → K+K−π+, and their charge conjugates. The production cross sections were measured in the transverse momentum interval 0 < pT < 36GeV/cforD0,1 < pT < 36GeV/cforD+ and D∗+, and in 2 < pT < 24 GeV/c for D+s mesons. Thanks to the higher integrated luminosit ...Daha fazlası

Makale 2019 3 Görüntülenme
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Dielectron and heavy-quark production in inelastic and high-multiplicity proton–proton collisions at √s = 13 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The measurement of dielectron production is presented as a function of invariant mass and transverse momentum (pT) at midrapidity (|ye|

Makale 2019 2 Görüntülenme
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Measurement of dielectron production in central Pb-Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The first measurement of dielectron (e+e−) production in central (0–10%) Pb–Pb collisions at √sNN = 2.76TeV at the LHC is presented. The dielectron invariant-mass spectrum is compared to the expected contributions from hadron decays in the invariant-mass range 0 < mee < 3.5 GeV/c2. The ratio of data and the cocktail of hadronic contributions without vacuum ρ0 is measured in the invariant-mass range 0.15 < mee < 0.7 GeV/c2, where an excess of dielectrons is observed in other experiments, and its value is 1.40 ± 0.28 (stat.) ± 0.08 (syst.) ± 0.27 (cocktail). The dielectron spectrum measured in t ...Daha fazlası

Makale 2019 3 Görüntülenme
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Relative particle yield fluctuations in Pb–Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

First results on K/π, p/π and K/p fluctuations are obtained with the ALICE detector at the CERN LHC as a function of centrality in Pb–Pb collisions at √sNN = 2.76 TeV . The observable νdyn , which is defined in terms of the moments of particle multiplicity distributions, is used to quantify the magnitude of dynamical fluctuations of rela- tive particle yields and also provides insight into the corre- lation between particle pairs. This study is based on a novel experimental technique, called the Identity Method, which allows one to measure the moments of multiplicity distri- butions in case of ...Daha fazlası

Makale 2019 5 Görüntülenme
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Electrochemical Glucose Biosensors: Whole Cell Microbial and Enzymatic Determination Based on 10-(4H-Dithieno[3,2-b:2′,3′-d]Pyrrol-4-yl)Decan-1-Amine Interfaced Glassy Carbon Electrodes

ÇEVİK, Emre | CERİT, Alaaddin | TOMBULOĞLU, Hüseyin | SABİT, Hussein | YILDIZ, Hüseyin Bekir

The fabrication of amperometric biosensors based on whole cell Gluconobacter oxydans DSMZ 2343 (G. oxydans) and glucose oxidase (GOx) was performed for the detection of glucose. Glassy carbon electrodes (GCE) were coated with a 10-(4H-dithiyeno [3,2-b:2’,3’-d]pyroll-4-il)decan-1-amine (DTP-alkyl-NH2) polymer using an electropolymerization method and the formed interface was used to connect the bacteria and the enzyme to the electrode. The transfer of electrons from enzyme to electrode was successfully demonstrated by the biocatalytic activity and unique morphology of the conducting polymer. Ch ...Daha fazlası

Makale 2019 Taylor and Francis 5 Görüntülenme
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Direct photon elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The elliptic flow of inclusive and direct photons was measured at mid-rapidity in two centrality classes 0–20% and 20–40% in Pb–Pb collisions at √sNN = 2.76 TeV by ALICE. Photons were detected with the highly segmented electromagnetic calorimeter PHOS and via conversions in the detector material with the e+e− pairs reconstructed in the central tracking system. The results of the two methods were combined and the direct-photon elliptic flow was extracted in the transverse momentum range 0.9 < pT < 6.2 GeV/c. A comparison to RHIC data shows a similar magnitude of the measured direct- photon elli ...Daha fazlası

Makale 2019 5 Görüntülenme
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p-p, p-lambda, and lambda-lambda correlations studied via femtoscopy in pp reactions at √s = 7 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

We report on the first femtoscopic measurement of baryon pairs, such as p-p, p-, and , measured by ALICE at the Large Hadron Collider (LHC) in proton-proton collisions at √s = 7 TeV. This study demonstrates the feasibility of such measurements in pp collisions at ultrarelativistic energies. The femtoscopy method is employed to constrain the hyperon-nucleon and hyperon-hyperon interactions, which are still rather poorly understood. A new method to evaluate the influence of residual correlations induced by the decays of resonances and experimental impurities is hereby presented. The p-p, p-, and ...Daha fazlası

Makale 2019 3 Görüntülenme
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Charged jet cross section and fragmentation in proton-proton collisions pffiffi at s=7TeV

KARASU UYSAL, Ayben | ALICE Collaboration

Azimuthally-differential femtoscopic measurements, being sensitive to spatio-temporal characteristics of the source as well as to the collective velocity fields at freeze out, provide very important information on the nature and dynamics of the system evolution. While the HBT radii oscillations relative to the second harmonic event plane measured recently reflect mostly the spatial geometry of the source, model studies have shown that the HBT radii oscillations relative to the third harmonic event plane are predominantly defined by the velocity fields. In this Letter, we present the first resu ...Daha fazlası

Makale 2019 4 Görüntülenme
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Measurement of Upsilon(1S) Elliptic Flow at Forward Rapidity in Pb-Pb Collisions at sNN = 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The first measurement of the Υð1SÞ elliptic flow coefficient (v2) is performed at forward rapidity (2.5 < y < 4) in Pb–Pb collisions at sNN 1⁄4 5.02 TeV with the ALICE detector at the LHC. The results are obtained with the scalar product method and are reported as a function of transverse momentum (pT ) up to 15 GeV=c in the 5%–60% centrality interval. The measured Upsilon is consistent with 0 and with the small positive values predicted by transport models within uncertainties. The v2 coefficient in 2 < pT < 15 GeV=c is lower than that of inclusive J=ψ mesons in the same pT interval by 2.6 st ...Daha fazlası

Makale 2019 9 Görüntülenme
Erişime Açık

Jet fragmentation transverse momentum measurements from di-hadron correlations in √s = 7 TeV pp and √sNN = 5.02 TeV p–Pb collisions

KARASU UYSAL, Ayben | ALICE Collaboration

The transverse structure of jets was studied via jet fragmentation transverse momentum (jT) distributions, obtained using two-particle correlations in proton-proton and proton-lead collisions, measured with the ALICE experiment at the LHC. The highest transverse momentum particle in each event is used as the trigger particle and the region 3 < pTt < 15 GeV/c is explored in this study. The measured distributions show a clear narrow Gaussian component and a wide non-Gaussian one. Based on Pythia simulations, the narrow component can be related to non-perturbative hadronization and the wide compo ...Daha fazlası

Makale 2019 5 Görüntülenme
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