Autor: Merino, J. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Permanent Magnetism in Thiol Capped Nanoparticles Gold and ZnO
Autorzy:: Crespo, P.
García, M.
Fernández-Pinel, E.
de la Venta, J.
Merino, J.
Quesada, A.
Hernando, A.
Fernández, A.
Penadés, S.
Powiązania:: https://bibliotekanauki.pl/articles/1813862.pdf
Data publikacji:: 2008-01
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.75.+a
73.22.-f
75.30.Hx
Opis:: In spite of the diamagnetic behavior exhibited by bulk ZnO and Au, a ferromagnetic-like behavior is induced in nanoparticles of both systems by appropriate surface functionalization. By capping with thiol derivatized molecules, magnetic hysteresis is observed even at room temperature, whereas the magnetization has a very little temperature dependence. Capping induces an alteration of their electronic configuration that depends on the capping molecule, as evidenced by X-ray absorption spectroscopy, that strongly affects their magnetic properties.
Źródło:: Acta Physica Polonica A; 2008, 113, 1; 515-520
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Optimality conditions for state-constrained PDE control problems with time-dependent controls
Autorzy:: Los Reyes, J. C. de
Merino, P.
Rehberg, F.
Troltzsch, F.
Powiązania:: https://bibliotekanauki.pl/articles/971009.pdf
Data publikacji:: 2008
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:: równanie paraboliczne
równanie eliptyczne
sterowanie optymalne
parabolic equation
elliptic equation
optimal control
pointwise state constraints
sufficient optimality conditions
restricted control class
Opis:: The paper deals with optimal control problems for semilinear elliptic and parabolic PDEs subject to pointwise state constraints. The main issue is that the controls are taken from a restricted control space. In the parabolic case, they are Rm -vector-valued functions of time, while they are vectors of Rm in elliptic problems. Under natural assumptions, first- and second-order sufficient optimality conditions are derived. The main result is the extension of second-order sufficient conditions to semilinear parabolic equations in domains of arbitrary dimension. In the elliptic case, the problems can be handled by known results of semi-infinite optimization. Here, different examples are discussed that exhibit different forms of active sets and where second-order sufficient conditions are satisfied at the optimal solution.
Źródło:: Control and Cybernetics; 2008, 37, 1; 5-38
0324-8569
Pojawia się w:: Control and Cybernetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Meteorological and agricultural effects on airborne Alternaria and Cladosporium spores and clinical aspects in Valladolid [Spain]
Autorzy:: Reyes, E S
de la Cruz, D.R.
Merino, E.S.
Sanchez, J.S.
Powiązania:: https://bibliotekanauki.pl/articles/51010.pdf
Data publikacji:: 2009
Wydawca:: Instytut Medycyny Wsi
Tematy:: Alternaria
Cladosporium
spore
meteorological effect
agricultural effect
maximum concentration
temperature
skin test reaction
clinical aspect
Spain
allergy
human disease
Źródło:: Annals of Agricultural and Environmental Medicine; 2009, 16, 1; 53-61
1232-1966
Pojawia się w:: Annals of Agricultural and Environmental Medicine
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: The Laboratory of Natural Radiation (LNR) : a place to test radon instruments under variable conditions of radon concentration and climatic variables
Autorzy:: Quindós Poncela, L. S.
Sainz Fernández, C.
Gutiérrez-Villanueva, J.-L.
Fuente Merino, I.
Celaya González, C.
Quindós López, L.
Quindós López, J.
Fernández Lopez, E.
Fernández Villar, A.
Powiązania:: https://bibliotekanauki.pl/articles/147764.pdf
Data publikacji:: 2016
Wydawca:: Instytut Chemii i Techniki Jądrowej
Tematy:: active monitors
interlaboratory comparison
in-situ
radon
Opis:: The publication of the new European Union Basic Safety Standards represents a remarkable milestone in the fi eld of radiological protection in terms of adding radon exposure to this framework. Therefore, the coming years will bring the need to measure radon not only in the workplaces but also in the living spaces as a direct outcome of the application of the new EU Directive. So, the importance of having reliable instruments is evident and interlaboratory exercises are becoming more and more popular. However, most of them are carried out under constant conditions of meteorological variables. We present in this paper a facility to broaden the interlaboratory comparisons further by adding the study of radon exposures under real conditions of changes in climatic parameters. In addition, the facility has the possibility to verify the response of radon monitors when the radon concentration changes several orders of magnitude in a short period of time. Our work shows some results of one of the interlaboratory exercises carried out in the premises, where the radon levels were rather homogeneous in the testing room.
Źródło:: Nukleonika; 2016, 61, 3; 275-280
0029-5922
1508-5791
Pojawia się w:: Nukleonika
Dostawca treści:: Biblioteka Nauki

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