Autor: Demir, G. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Selection of alternative landfill location by using a geographical information system. European side of Istanbul. Case study
Autorzy:: Demir, G.
Kolay, U. E.
Okten, H. E.
Alyuz, U.
Bayat, C.
Powiązania:: https://bibliotekanauki.pl/articles/207074.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: decision support systems
geographic information systems
waste management
environmental constraints
praktyki w zakresie gospodarki odpadami
GIS
Turcja
ograniczenia środowiskowe
Opis:: One of the most difficult tasks encountered when implementing waste management practices in Turkey involves the selection of the most suitable area for a landfill. The Geographic Information System (GIS) which possesses the ability to imitate and process economic and environmental constraints, presents itself as a useful and effective decision support tool. This study will utilize the GIS to determine feasible alternative landfill areas on the European side of Istanbul, which has a high density population, showing that accurate selection results can be achieved at lower cost.
Źródło:: Environment Protection Engineering; 2016, 42, 1; 123-133
0324-8828
Pojawia się w:: Environment Protection Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Assessment of patient dose by positron emission tomography (PET) and medical internal dose (MIRD) methods
Autorzy:: Yilmaz, G.
Tugrul, A.
Demir, M.
Yasar, D.
Demir, B.
Powiązania:: https://bibliotekanauki.pl/articles/1068158.pdf
Data publikacji:: 2016-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 87.57.uk
87.53.Bn
Opis:: Dynamic experiments cannot be observed easy on patients for determination of dosimetry in human PET studies dosimeter studies. In this study, it is aimed to estimate dose amount absorbed by some critical organs (e.g. bladder, lung, thyroid and ovary) by using a developed phantom. The phantom was improved as an original anthropomorphic whole body phantom which has been arranged with dynamic system. Therefore, organ absorbed doses by applying of fluorine-18-fluorodeoxyglucose in PET studies and was observed by using the phantom, while TLD dosimeters were used for determination of internal absorbed doses. In medical physics, the accuracy of absorbed dose resulting from radiopharmaceutical application was determined by the medical internal radiation dose method that depends theoretically on the cumulated activity of the source organs and their mass. The MIRD calculation was also used for the study and comparatively evaluated with the experimental results which were collected by using improved phantom.
Źródło:: Acta Physica Polonica A; 2016, 130, 1; 90-92
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Energy stability of Benard-Darcy two-component convection of Maxwell fluid
Autorzy:: Muti, H.
Demir, H.
Siddheshwar, P. G.
Powiązania:: https://bibliotekanauki.pl/articles/265656.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: stabilność energetyczna
metoda Lapunowa
lepkosprężystość
płyn Maxwell'a
relaksacja naprężeń
energy stability analysis
Lyapunov direct method
Benard-Darcy convection
viscoelastic
twocomponent Maxwell fluid
stress relaxation
Opis:: Energy stability of a horizontal layer of a two-component Maxwell fluid in a porous medium heated and salted from below is studied under the Oberbeck-Boussinesq-Darcy approximation using the Lyapunov direct method. The effect of stress relaxation on the linear and non-linear critical stability parameters is clearly brought out with coincidence between the two when the solute concentration is dilute. Qualitatively, the result of porous and clear fluid cases is shown to be similar. In spite of lack of symmetry in the problem it is shown that non linear exponential stability can be handled.
Źródło:: International Journal of Applied Mechanics and Engineering; 2013, 18, 1; 125-135
1734-4492
2353-9003
Pojawia się w:: International Journal of Applied Mechanics and Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Equilibrium and kinetic studies on the removal of heavy metal ions with natural low-cost adsorbents
Autorzy:: Varank, G.
Demir, A.
Bilgili, M. S.
Top, S.
Sekman, E.
Yazici, S.
Erkan, H. S.
Powiązania:: https://bibliotekanauki.pl/articles/207257.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: adsorbents
adsorption
bentonite
dyes
heavy metals
kinetics
metal ions
water treatment
heavy metal removal
heavy metal ions
heavy metals ions removal
adsorbenty
adsorpcja
bentonit
barwniki
metale ciężkie
kinetyka
jony metali
usuwanie jonów metali ciężkich
uzdatnianie wody
Opis:: Adsorption isotherms and kinetics of the removal of heavy metal ions (Ni, Pb, Zn) from aqueous solutions by natural adsorbents (zeolite, bentonite, clay) were investigated in a lab-scale batch study. The effect of various parameters such as adsorbent dosage, initial concentration of heavy metal ions, temperature, and agitation time were studied to optimise the conditions. Under those optimized conditions (180 rpm agitation rate, 120 min agitation time, pH 4.0, 298 K, 100 mg/dm3 initial adsorbate concentration), the removal percentages of heavy metal ions for natural adsorbents have been determined. The adsorption mechanisms and characteristic parameters of the process were analyzed by two and three parameter isotherm models (Langmuir, Freundlich, Temkin, Redlich-Peterson, Toth and Sips), and kinetic models (Lagergren's pseudo-first order, Ho and McKay's pseudo-second order). Adsorption thermodynamics of heavy metal ions (changes of standard enthalpy, entropy and free energy) on zeolite, bentonite and clay were also studied at 298,318 and 338 K.
Źródło:: Environment Protection Engineering; 2014, 40, 3; 43-61
0324-8828
Pojawia się w:: Environment Protection Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Investigation of sorption characteristics of anaerobically digested dewatered municipal sewage sludge
Autorzy:: Varank, G.
Demir, A.
Bilgili, M. S.
Top, S.
Sekman, E.
Yazici, S.
Erkan, H. S.
Powiązania:: https://bibliotekanauki.pl/articles/206920.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: municipal sewage sludge
sorption
chlorophenol
sewage sludge
adsorption isotherms
wastewater treatment
ścieki komunalne
sorpcja
chlorofenol
osady ściekowe
izotermy adsorpcji
oczyszczanie ścieków
Opis:: Physical, chemical, morphological properties and sorption characteristics of anaerobically digested dewatered municipal sewage sludge have been investigated including the surface area, pore size distribution, chemical composition, surface chemistry structure, surface physical morphology, mineralogy, cation exchange capacity, heavy metal content, total solid, total volatile solid, total Kjeldahl-N, total phosphorus content of the sewage sludge. The sorption potential of sewage sludge for the removal of 4-CP and 2,4-DCP from aqueous solutions was examined by investigating their adsorption isotherms and kinetics in a lab-scale batch study. Findings of this study clearly showed that sewage sludge provides chlorophenol removal in the landfill body as disposed with solid wastes.
Źródło:: Environment Protection Engineering; 2014, 40, 4; 119-133
0324-8828
Pojawia się w:: Environment Protection Engineering
Dostawca treści:: Biblioteka Nauki

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