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J. Duan, Auteur ; E. Perdriolle-Galet, Auteur ; A.-C. Chabot-lecoanet, Auteur ; et al., Auteur |La dysfonction placentaire, qui semble être causée par un défaut d’invasion trophoblastique et un défaut de remodelage vasculaire utérin dès le premier trimestre, est responsable de manière non exclusive d’une hypoxie placentaire chronique qui a[...]Article
In this note, the classical Doppler shift for some accelerated mechanical systems is considered under a common graphical approach. In one dimension, we study uniform accelerated motion and simple harmonic motion. In two dimensions, uniform circu[...]Article
The laser-Doppler vibrometer (LDV) is a research tool that can be used to quickly measure the sound-induced velocity of the tympanic membrane near the umbo (the inferior tip of the malleus) in live human subjects and patients. In this manuscript[...]Livre
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Even though many physics teachers take their students on a calculation adventure through circular motion and Newton’s universal law of gravity to determine Earth’s velocity, most of us leave it at that. We present the final result and say, “Look[...]Article
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Antonio Augusto Soares, Auteur ; Ricardo Longhi Henrique, Auteur |Experiments using smartphones allow for teaching physics concepts in a fun and engaging way and including interdisciplinary approaches. The exploratory character of the experimental activities, along with the smartphones’ embedded technologies, [...]Livre
Christophe Klimczak, Auteur | Issy-les-Moulineaux : Elsevier Masson | Collection de cardiologie pratique | 2013L'échocardiographie Doppler est devenue un outil clinique indispensable d'exploration non invasive du coeur. Elle a révolutionné la pratique cardiologique courante. En perpétuelle innovation, cette technique ultrasonore constitue actuellement un[...]Article
Silvia Simionato, Auteur |The concept of redshift is very often used in teaching physics and astronomy, as well as in science public outreach. Redshift is an interesting topic, used to describe many physical processes such as the Doppler effect or the expansion of the un[...]Article
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Adam Neat, Auteur |Gravity bends light. One can argue this by reasoning that a beam of light should travel in a curved path when viewed from within an accelerating frame of reference, and then invoking Einstein’s principle of equivalence, which asserts that the ef[...]
