Temat: dissociate - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: On partitioning Sidon sets with quasi-independent sets
Autorzy:: Harrison, K.
Ramsey, L.
Tematy:: Sidon
quasi-independent
N-independent
dissociate; Pokaż więcej
Data publikacji:: 1996
Powiązania:: https://bibliotekanauki.pl/articles/965169.pdf Link otwiera się w nowym oknie
Źródło:: Colloquium Mathematicum; 1996, 69, 1; 117-131
0010-1354
Pojawia się w:: Colloquium Mathematicum
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Bohr Cluster Points of Sidon Sets
Autorzy:: Ramsey, L.
Tematy:: Bohr compactification
Sidon
quasi-independent
dissociate; Pokaż więcej
Data publikacji:: 1995
Powiązania:: https://bibliotekanauki.pl/articles/967106.pdf Link otwiera się w nowym oknie
Źródło:: Colloquium Mathematicum; 1995, 68, 2; 285-290
0010-1354
Pojawia się w:: Colloquium Mathematicum
Opis:: It is a long standing open problem whether Sidon subsets of ℤ can be dense in the Bohr compactification of ℤ ([LR]). Yitzhak Katznelson came closest to resolving the issue with a random process in which almost all sets were Sidon and and almost all sets failed to be dense in the Bohr compactification [K]. This note, which does not resolve this open problem, supplies additional evidence that the problem is delicate: it is proved here that if one has a Sidon set which clusters at even one member of ℤ, one can construct from it another Sidon set which is dense in the Bohr compactification of ℤ. A weaker result holds for quasi-independent and dissociate subsets of ℤ.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Thermodynamic assessment of thermochemical cycle for hydrogen production based on water decomposition with binary copper chlorine couple
Autorzy:: Benbrika, Omar
Bensenouci, Ahmed
Tegar, Mohamed
Ismail, Kamal R.A.
Tematy:: hydrogen production
thermochemical process
copper-chlorine cycle
water
dissociate
exergy
energy
analys; Pokaż więcej
Data publikacji:: 2022
Powiązania:: https://bibliotekanauki.pl/articles/2204067.pdf Link otwiera się w nowym oknie
Źródło:: Archives of Thermodynamics; 2022, 43, 4; 109--133
1231-0956
2083-6023
Pojawia się w:: Archives of Thermodynamics
Opis:: The present study aims at investigating and simulating the hydrogen cycle production at low temperatures using thermochemical reactions. The cycle used in this work is based on the dissociation of water molecules depending on a copper chlorine couple. Furthermore, the proposed method uses mainly thermal energy provided by a solar thermal field. This proposed cycle differs from what is found in the literature. However, most of the thermochemical cycles for hydrogen production work at quite high temperatures which is a technical challenge. Therefore, the maximum temperature used in the present cycle is limited to 500◦C. A thermodynamic analysis based on both the first and second laws is performed to evaluate the energy, exergy and efficiency of each reaction as well as the overall exergetic efficiency of the system. Furthermore, a parametric study is conducted to figure out the impact of the surrounding temperatures on the overall exergetic efficiency using commercial energy simulation software. The results show that the cycle can achieve an exergy efficiency of 30.5%.
Dostawca treści:: Biblioteka Nauki

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