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Filtreler
Filtreler
Bulunan: 70 Adet 0.002 sn
Yayın Tarihi : 2018 ✕Koleksiyon : Mühendislik ve Doğa ... ✕
Koleksiyon [9]
İlgili Araştırmacılar [20]
Ambargo Durumu [1]
Tam Metin [2]
Yayın Türü [5]
Yazar/lar [20]
Atıf Dizini [4]
Konu Başlıkları [20]
Yayıncı [20]
Yayın Tarihi [1]
Tez Türü [1]
Yayın Dili [3]
Erişime Açık

Detection of the Electronic Attributes of the Nanostructured Materials with Fuzzy Logic

ALLAHVERDİ, Novruz | GENCER, Muhammet Çağrı | VARDAR, Necati

This is a study, in which a trial was done to estimate the energy band gap (Eg) of single-walled carbon nanotubes (SWCNTs) by using a fuzzy logic algorithm that uses five inputs (strain value, fermi energy level, average energy, repulsive potential and electronic band structure energy).

Konferans Bildirisi 2018 3 Görüntülenme
Erişime Açık

Electrochemical polymerization of a new alkoxy-bridged dithieno (3,2-B:2’,3’-D) pyrrole derivative

KIVRAK, Arif | YILDIZ, Hüseyin Bekir | GÖKYER, Selahattin | ÇARBAŞ, Buket

A novel alkoxy-bridged dithieno (3, 2-B:2’,3’-D) pyrrole (DTP) derivative was synthesized and its corresponding polymer poly(1,2-bis(2-(4H-dithieno[3,2-b:2’,3’-d]pyrrol-4-yl)ethoxy)ethane) (P(DTP-alkoxy-DTP)) was successfully obtained electrochemically. The e ff ects of alkoxy bridge in the structure on the electrochemical and spectroelectrochemical properties of the polymer were also investigated in detail. The results showed that the polymer fi lm exhibits multielectrochromic behavior and a low band gap of 1.82 eV.

Makale 2018 Turkish Journal of Chemistry (TUBITAK) 3 Görüntülenme
Erişime Açık

Synthesis and characterization of a new poly (dithieno (3, 2-b: 2′, 3′-d) pyrrole) derivative conjugated polymer: Its electrochromic and biosensing applications

AZAK, Hacer | YILDIZ, Hüseyin Bekir | ÇARBAŞ, Buket

Synthesis and electropolymerization of a new conjugated dithieno(3,2-b:20,30-d) pyrole (DTP) derivative, namely, 2-(2-(2-(4H-dithieno[3,2-b:20,30-d]pyrrol-4-yl)ethoxy)ethoxy)ethanamine, (DTP-alkoxy-NH2) monomer are presented. The electrochemical, spectroelectrochemical effects and biosensor capability towards to glucose oxidase enzyme of P(DTP-alkoxy-NH2) polymer fi lm are investigated in detail during the placement of alkoxy-NH2 functional unit in the polymer. Electrochemical and optical results between neutral and oxidized states of the polymer fi lm show that (P(DTP-alkoxy-NH2)) has reversibl ...Daha fazlası

Makale 2018 Polymer (Elsevier) 5 Görüntülenme
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Measuring K0S K± interactions using pp collisions at √s = 7 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

We present the first measurements of femtoscopic correlations between the K0 and K± particles in pp √S collisions at s = 7 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding solely via the a0(980) resonance. The extracted kaon source radius and correlation strength parameters for K0SK− are found to be equal within the experimental uncertainties to those for K0K+. Results of the present study are compared with those S√ from identical-kaon femtoscopic studies also performed with pp collisions at s = 7 TeV by ALICE a ...Daha fazlası

Makale 2018 6 Görüntülenme
Erişime Açık

Systematic studies of correlations between different order flow harmonics in Pb-Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

The correlations between event-by-event fluctuations of anisotropic flow harmonic amplitudes have been measured in Pb-Pb collisions at √sNN = 2.76 TeV with the ALICE detector at the Large Hadron Collider. The results are reported in terms of multiparticle correlation observables dubbed symmetric cumulants. These observables are robust against biases originating from nonflow effects. The centrality dependence of correlations between the higher order harmonics (the quadrangular v4 and pentagonal v5 flow) and the lower order harmonics (the elliptic v2 and triangular v3 flow) is presented. The tra ...Daha fazlası

Makale 2018 8 Görüntülenme
Erişime Açık

Gabion Structures and Design Criteria

URAY, Esra | TAN, Özcan | URAY, Kemal

Nowadays, railway is a kind of transportation due to cheap and safe. In railway construction route, many problems like supporting of lateral soil pressure, slope stability and rock fall have been experienced. Gabion basket and mesh wire have been used commonly for solution of these problems. The gabion basket is a rectangular basket which is obtained from hexagonal-double twisted galvanized mesh wire and is filled with small rock particles or stone. Gabion structures have been constructed with placing these baskets in a certain order. In railway construction, the gabion structures have been us ...Daha fazlası

Sunum 2018 UIC 10th World Congress on High Speed Rail 7 Görüntülenme
Erişime Açık

Deep Learning for COPD Analysis Using Lung Sounds

ALLAHVERDİ, Novruz | ALTAN, Gökhan | KUTLU, Yakup

Deep Learning(DL) algotithms have become popular with the detailed analyzing capabilities with many hidden layers in recent years. The size of hidden layer in the classifier models is complately correlated with the analyzing capability of the proposed mode. Multiple hidden layers and neuron size in the hidden layers enhance the analyzing capability of the models,whereas increasing the training time.

Konferans Bildirisi 2018 3 Görüntülenme
Erişime Açık

Measurement of the inclusive J/ψ polarization at forward rapidity in pp collisions at √s = 8 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

We report on the measurement of the inclusive J/ψ polarization parameters in pp collisions at a center of mass energy √s = 8 TeV with the ALICE detector at the LHC. The analysis is based on a data sample corresponding to an integrated luminosity of 1.23 pb−1. J/ψ resonances are reconstructed in their di-muon decay channel in the rapidity interval 2.5 < y < 4.0 and over the transverse-momentum interval 2 < pT < 15 GeV/c. The three polarization param- eters (λθ , λφ , λθ φ ) are measured as a function of pT both in the helicity and Collins-Soper reference frames. The mea- sured J/ψ polarization ...Daha fazlası

Makale 2018 8 Görüntülenme
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First measurement of jet mass in Pb–Pb and p–Pb collisions at the LHC

KARASU UYSAL, Ayben | ALICE Collaboration

This letter presents the first measurement of jet mass in Pb–Pb and p–Pb collisions at √sNN = 2.76 TeV and √sNN = 5.02 TeV, respectively. Both the jet energy and the jet mass are expected to be sensitive to jet quenching in the hot Quantum Chromodynamics (QCD) matter created in nuclear collisions at collider energies. Jets are reconstructed from charged particles using the anti-kT jet algorithm and resolution parameter R = 0.4. The jets are measured in the pseudorapidity range |ηjet | < 0.5 and in three intervals of transverse momentum between 60 GeV/c and 120 GeV/c. The measurement of the jet ...Daha fazlası

Makale 2018 4 Görüntülenme
Erişime Açık

J/ψ production as a function of charged-particle pseudorapidity density in p–Pb collisions at √sNN = 5.02 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

We report measurements of the inclusive J/ψ yield and average transverse momentum as a function of charged-particle pseudorapidity density dNch/dη in p–Pb collisions at √sNN = 5.02 TeV with ALICE at the LHC. The observables are normalised to their corresponding averages in non-single diffractive events. An increase of the normalised J/ψ yield with normalised dNch/dη, measured at mid-rapidity, is observed at mid-rapidity and backward rapidity. At forward rapidity, a saturation of the relative yield is observed for high charged-particle multiplicities. The normalised average transverse momentum ...Daha fazlası

Diğer 2018 5 Görüntülenme
Erişime Açık

Inclusive J/ψ production in Xe–Xe collisions at √sNN = 5.44 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

Inclusive J/ψ production is studied in Xe–Xe interactions at a centre-of-mass energy per nucleon pair of √sNN = 5.44 TeV, using the ALICE detector at the CERN LHC. The J/ψ meson is reconstructed via its decay into a muon pair, in the centre-of-mass rapidity interval 2.5 < y < 4 and down to zero transverse momentum. In this Letter, the nuclear modification factors RAA for inclusive J/ψ, measured in the centrality range 0–90% as well as in the centrality intervals 0–20% and 20–90% are presented. The RAA values are compared to previously published results for Pb–Pb collisions at √sNN = 5.02 TeV a ...Daha fazlası

Makale 2018 4 Görüntülenme
Erişime Açık

Longitudinal asymmetry and its effect on pseudorapidity distributions in Pb–Pb collisions at √sNN = 2.76 TeV

KARASU UYSAL, Ayben | ALICE Collaboration

First results on the longitudinal asymmetry and its effect on the pseudorapidity distributions in Pb–Pb collisions at √sNN = 2.76 TeV at the Large Hadron Collider are obtained with the ALICE detector. The longitudinal asymmetry arises because of an unequal number of participating nucleons from the two colliding nuclei, and is estimated for each event by measuring the energy in the forward neutron-Zero- Degree-Calorimeters (ZNs). The effect of the longitudinal asymmetry is measured on the pseudorapidity distributions of charged particles in the regions |η| < 0.9, 2.8 < η < 5.1 and −3.7 < η < −1 ...Daha fazlası

Makale 2018 7 Görüntülenme
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