165 research outputs found
Sonochemistry: Scope, Limitations… and Artifacts
Heterogeneous sonochemistry, generally described as the most useful aspect of sonochemistry, suffers from the difficulty of defining the experimental conditions for the reference (silent) reaction. Clearly the use of an efficient agitation system for the silent reaction strongly reduces
the value of the so-called sonochemical effect, which becomes in some cases, less than 1 (anti-sonochemical effect!).The 'cleaning' effect of ultrasound is extremely efficient to expel micro-crystals from the surface of an electrode which is simultaneously an immersion ultrasonic horn.
By sending out-of-phase electric pulses and acoustic pulses, new nano materials (metals, alloys, semiconductors, oxides) are easily prepared in high purity
A la recherche de la matière organique et de la vie dans l'Univers
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Richard Martin (1914-1995)
Reisse Jacques. Richard Martin (1914-1995). In: Bulletin de la Classe des sciences, tome 6, n°7-12, 1995. pp. 245-246
Darwin, l'origine et l'Ă©volution de la vie
Reisse Jacques. Darwin, l'origine et l'évolution de la vie. In: Bulletin de la Classe des sciences, tome 17, n°7-12, 2006. p. 265
Utilisation des ondes ultrasonores en chimie
Reisse Jacques. Utilisation des ondes ultrasonores en chimie . In: Bulletin de la Classe des sciences, tome 2, 1991. p. 361
L'interdisciplinarité, conséquence d'une division arbitraire du savoir
Reisse Jacques. L'interdisciplinarité, conséquence d'une division arbitraire du savoir. In: Revue de géographie alpine, tome 87, n°1, 1999. pp. 13-18
Alfred Russel Wallace plus darwiniste que Darwin mais politiquement moins correct
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