References of "2002"
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See detailTraitements séquentiels dans l'acromégalie
Beckers, Albert ULg

Scientific conference (2002, December 13)

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See detailFormation à la rééducation vocale
Morsomme, Dominique ULg

Conference given outside the academic context (2002)

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See detailProcess for depositing strong adherend polymer coating onto an electrically conductive surface
Bertrand, Olivier; Jérôme, Robert ULg; Gautier, Sandrine et al

Patent (2002)

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See detailThe Glacial Carbon Cycle:Changing continental weathering and glacial-interglacial atmospheric CO2 variations.
Munhoven, Guy ULg

Conference (2002, December 12)

The role of continental weathering in the global carbon cycle is detailed and a quantitative analysis presented.

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See detailImmunisation against Theileria parva in eastern Zambia: influence of maternal antibodies and demonstration of the carrier status
Marcotty, T.; Brandt, J.; Billiouw, M. et al

in Veterinary Parasitology (2002), 110(1-2), 45-56

Immunisation of calves by the infection and treatment method (I

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See detailStatistical derivation of the evolution equation of liquid water path fluctuations in clouds
Ivanova, K.; Ausloos, Marcel ULg

in Journal of Geophysical Research. Atmospheres (2002), 107(D23),

[1] How to distinguish and quantify deterministic and random influences on the statistics of turbulence data in meteorology cases is discussed from first principles. Liquid water path (LWP) changes in ... [more ▼]

[1] How to distinguish and quantify deterministic and random influences on the statistics of turbulence data in meteorology cases is discussed from first principles. Liquid water path (LWP) changes in clouds, as retrieved from radio signals, upon different delay times, can be regarded as a stochastic Markov process. A detrended fluctuation analysis method indicates the existence of long range time correlations. The Fokker-Planck equation which models very precisely the LWP fluctuation empirical probability distributions, in particular, their non-Gaussian heavy tails is explicitly derived and written in terms of a drift and a diffusion coefficient. Furthermore, Kramers-Moyal coefficients, as estimated from the empirical data, are found to be in good agreement with their first principle derivation. Finally, the equivalent Langevin equation is written for the LWP increments themselves. Thus rather than the existence of hierarchical structures, like an energy cascade process, strong correlations on different timescales, from small to large ones, are considered to be proven as intrinsic ingredients of such cloud evolutions. [less ▲]

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See detailLes finances communales
Husson, Jean-François ULg

Conference (2002, December 10)

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See detailLa Belgique et le monde arabe : aspects socio-culturels
Martiniello, Marco ULg

Scientific conference (2002, December 10)

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See detailLa place de la phonologie et de la métaphonologie dans l’alphabétisation en langue seconde
Lucchini, Silvia ULg

Conference given outside the academic context (2002)

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See detailActions de développement territorial et renouveau urbain
Halleux, Jean-Marie ULg

Conference (2002, December 06)

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See detailActualité législative en matière de publicité immobilière
Vanbrabant, Bernard ULg

Scientific conference (2002, December 04)

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See detailPrincipes de base de la prise en charge des troubles mnésiques
Adam, Stéphane ULg

Conference (2002, December 04)

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See detailThe star of H&H2: comparing stellar evolution codes
Thoul, A.; Scuflaire, R.; Noels, A. et al

Poster (2002, December 04)

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See detailPd-Ag/SiO2 sol-gel catalysts for selective hydrodechlorination of 1,2-dichloroethane into ethylene
Heinrichs, Benoît ULg

Scientific conference (2002, December 03)

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See detailTre aspetti della narrazione nella ‘Chanson de Roland’
Morato, Nicola ULg

Scientific conference (2002, December 02)

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See detailResolution of the Photosystem I and Photosystem II contributions to chlorophyll fluorescence of intact leaves at room temperature
Franck, Fabrice ULg; Juneau, P.; Popovic, R.

in Biochimica & Biophysica Acta (2002), 1556(2-3), 239-246

Green leaves illuminated with photosynthetically active light emit red fluorescence, whose time-dependent intensity variations reflect photosynthetic electron transport (the Kautsky effect). Usually ... [more ▼]

Green leaves illuminated with photosynthetically active light emit red fluorescence, whose time-dependent intensity variations reflect photosynthetic electron transport (the Kautsky effect). Usually, fluorescence variations are discussed by considering only the contribution of PSII-associated chlorophyll a, although it is known that the fluorescence of PSI-associated chlorophyll a also contributes to the total fluorescence [Aust. J. Plant Physiol. 22 (1995) 13 1]. Because the fluorescence emitted by each photosystem cannot be measured separately by selecting the emission wavelength in in vivo conditions, the contribution of PSI to total fluorescence at room temperature is still in ambiguity. By using a diode array detector, we measured fluorescence emission spectra corresponding to the minimal (F-O) and maximal (F-M) fluorescence states. We showed that the different shapes of these spectra were mainly due to a higher contribution of PSI chlorophylls in the F-O spectrum. By exciting PSI preferentially, we recorded a reference PSI emission spectrum in the near far-red region. From the F-O and F-M spectra and from this PSI reference spectrum, we derived specific PSI and PSII emission spectra in both the F-O and F-M states. This enables to estimate true value of the relative variable fluorescence of PSII, which was underestimated in previous works. Accurate separation of PSI-PSII fluorescence emission spectra will also enable further investigations of the distribution of excitation energy between PSI and PSII under in vivo conditions. (C) 2002 Elsevier Science B.V. All rights reserved. [less ▲]

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