Temat: 51.30.+i - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: On the Effects of the Interaction Potential Parameters on Bose-Einstein Condensation
Autorzy:: Al-Sugheir, M.
Al-Khzon, H.
Al-Maghrabi, M.
Alna'washi, G.
Powiązania:: https://bibliotekanauki.pl/articles/1418267.pdf
Data publikacji:: 2012-10
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 67.10.Ba
67.25.bd
51.30.+i
Opis:: In this work the effect of the potential parameters on the condensate fraction and the critical temperature of neutral many-bosonic system are investigated. A many-body technique called the static fluctuation approximation is used in this study. The interaction potential is modeled by two linear terms. The condensation fraction and critical temperature were found to decrease with increasing the strength or the range of the repulsive part of the potential. On the other hand, the condensation fraction and critical temperature increase with increasing the depth or range of the attractive part of the potential.
Źródło:: Acta Physica Polonica A; 2012, 122, 4; 704-708
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Pyrolysis of Low Rank Lignites
Autorzy:: Koyun, A.
Hazar Yoruc, A.
Ceylan Erdogan, D.
Ahlatcioglu, E.
Powiązania:: https://bibliotekanauki.pl/articles/1399950.pdf
Data publikacji:: 2013-02
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 51.30.+i
Opis:: In this study, six different Turkish coals were studied. One of them was Zonguldak coal and the others were low rank Turkish lignites. The amount of the pyrolysed gases of the coal as $CH_4$, $C_3H_8$, $CO$, $CO_2$, $SO_2$ were determined from the experiments by using several first order reaction models that include energy distribution and the activation energy distribution during the pyrolysis was calculated at the same time. The results of pyrolysis experiments of coals were examined by means of several first order reaction models that include energy distribution. The tar amounts and overall conversion of six different coals, activation energies of nine volatile components output, standard variation values that belong to their energy distribution, maximum quantity of product of each component and molecular collision coefficients were determined. As a result of using these variables in the model equations, conversion quantities for all of the compounds of six types of coals and variation of activation distribution functions with respect to the kinds of coals were presented graphically with a comparison of the cited data in references.
Źródło:: Acta Physica Polonica A; 2013, 123, 2; 396-397
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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