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41.
Darrigol O 《Isis; an international review devoted to the history of science and its cultural influences》2004,95(4):614-626
This essay discusses attempts that have been made to explain the striking similarities between two theories propounded in 1905 by Albert Einstein and Henri Poincaré without any mutual reference. 相似文献
42.
M. A. J. Olivier D. S. Steenkamp 《International journal for the advancement of counseling》2004,26(1):47-63
This South African study aims at contributing to the debate regarding the processes underlying the core deficits of Attention-Deficit/Hyperactivity Disorder (ADHD) by investigating the motivational factors underlying the symptoms of ADHD. It investigates the difference between adolescents with ADHD (combined type) and adolescents without ADHD regarding their achievement motivation. The results add to previous knowledge regarding the motivational deficits demonstrated by ADHD children and provide a valuable insight into their achievement motivational patterns, especially regarding negative fear of failure and the motive to achieve. Recommendations are suggested regarding educational and therapeutic strategies to improve the ADHD child's motivation at home and at school. 相似文献
43.
Feriel S. Hamdi Olivier Fran?ais Frederic Subra Elisabeth Dufour-Gergam Bruno Le Pioufle 《Biomicrofluidics》2013,7(4)
Cell fusion consists of inducing the formation of a hybridoma cell containing the genetic properties of the progenitor cells. Such an operation is usually performed chemically or electrically. The latter method, named electrofusion, is considered as having a strong potential, due to its efficiency and non-toxicity, but deserves further investigations prior to being applicable for key applications like antibody production and cancer immunotherapy. Indeed, to envision such applications, a high amount of hybrid cells is needed. In this context, we present in this paper a device for massive cell pairing and electrofusion, using a microarray of non-connected conductive pads. The electrofusion chamber––or channel––exposes cells to an inhomogeneous electric field, caused by the pads array, enabling the trapping and pairing of cells with dielectrophoresis (DEP) forces prior to electrofusion. Compared to a mechanical trapping, such electric trapping is fully reversible (on/off handling). The DEP force is contactless and thus eases the release of the produced hybridoma. Moreover, the absence of wire connections on the pads permits the high density trapping and electrofusion of cells. In this paper, the electric field mapping, the effect of metallic pads thickness, and the transmembrane potential of cells are studied based on a numerical model to optimize the device. Electric calculations and experiments were conducted to evaluate the trapping force. The structure was finally validated for cell pairing and electrofusion of arrays of cells. We believe that our approach of fully electric trapping with a simple structure is a promising method for massive production of electrofused hybridoma. 相似文献
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Anthony M. J. Sanchez Olivier Galbès Frédérique Fabre-Guery Luc Thomas Aymeric Douillard Guillaume Py 《Journal of sports sciences》2013,31(14):1510-1519
Abstract The aim of the study is the modelling of training responses with a variable dose-response model in a sport discipline that requires highly complex coordination. We propose a method to optimise the training programme plan using the potential maximal performance gain associated with overload and tapering periods. Data from five female elite gymnasts were collected over a 3-month training period. The relationship between training amounts and performance was then assessed with a non-linear model. The optimal magnitude of training load reduction and its duration were investigated with and without an overload period using simulation procedures based on individual responses to training. The correlation between actual and modelled performances was significant (R 2 = 0.81 ± 0.02, P < 0.01). The standard error was 2.7%. Simulations revealed that taper preceded by an overload period allows a higher performance to be achieved compared to an absence of overload period (106.3 ± 0.3% vs. 105.1 ± 0.3%). With respect to the pre-taper load, the model predicts that optimal load reductions during taper were 48.4 ± 0.7% and 42.5 ± 1.0% for overloading and non-overloading strategies, respectively. Moreover, optimal durations of the taper period were 34 ± 0.5 days and 22 ± 0.5 days for overloading and non-overloading strategies, respectively. In conclusion, the study showed that the variable dose-response model describes precisely the training response in gymnasts. 相似文献
46.
Olivier Michaud 《Educational theory》2012,62(3):287-304
Educational authority is an issue in contemporary democracies. Surprisingly, little attention has been given to the problem of authority in Jean‐Jacques Rousseau's Emile and his work has not been addressed in the contemporary debate on the issue of authority in democratic education. Olivier Michaud's goals are, first, to address both of these oversights by offering an original reading of the problem of authority in Emile and then to rehabilitate the notion of “educational authority” for democratic educators today. Contrary to progressive readings of Emile, he argues, Rousseau's position on this issue is not reducible to “education against authority.” What appears at first glance to be an education against authority is, in a deeper sense, an education toward and even within authority. Michaud contends that we have to embrace these complexities and contradictions that inform Rousseau's work in order to gain insights into the place and role of authority in democratic education. Michaud sheds light on Rousseau's stance on authority through a close study of specific topics addressed in Emile, including negative education, opinion, one's relation to God, friendship and loving relationships, and, finally, the relation Rousseau established with his reader. 相似文献
47.
Infants Rely More on Gaze Cues From Own‐Race Than Other‐Race Adults for Learning Under Uncertainty
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Naiqi G. Xiao Rachel Wu Paul C. Quinn Shaoying Liu Kristen S. Tummeltshammer Natasha Z. Kirkham Liezhong Ge Olivier Pascalis Kang Lee 《Child development》2018,89(3):e229-e244
Differential experience leads infants to have perceptual processing advantages for own‐ over other‐race faces, but whether this experience has downstream consequences is unknown. Three experiments examined whether 7‐month‐olds (range = 5.9–8.5 months; N = 96) use gaze from own‐ versus other‐race adults to anticipate events. When gaze predicted an event's occurrence with 100% reliability, 7‐month‐olds followed both adults equally; with 25% (chance) reliability, neither was followed. However, with 50% (uncertain) reliability, infants followed own‐ over other‐race gaze. Differential face race experience may thus affect how infants use social cues from own‐ versus other‐race adults for learning. Such findings suggest that infants integrate online statistical reliability information with prior knowledge of own versus other race to guide social interaction and learning. 相似文献
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Olivier Godechot 《Journal of Cultural Economy》2016,9(4):410-429
Drawing on Pierre Bourdieu's theory of aesthetic judgment, this text offers an inductive account of financial reasoning inside a trading room. Driven to maximise bank profits, trading room operators do not find ‘one best way’. Rather they choose among several possible winning strategies: mathematical arbitrage, economic analysis, chartist analysis. These strategies differ sharply from one another in their conception of the market, method, proximity to scholarly knowledge, and legitimacy. We show that the choice of one method depends on a system of tastes and distastes that are both historical – depending on individuals’ social and educational background – and relational – depending on the individual's relative position within the trading room viewed as a field. 相似文献
50.
Olivier Bégin-Caouette 《Prospects》2012,42(1):91-112
Through a case study of Québec??s general and vocational colleges (cégeps), this article analyzes the role that institutions play in internationalizing the in-service training they provide to their teachers, and explains how partnerships with educational institutions in developing countries contribute to this process. Data from a questionnaire completed by 39 cégeps show that cégeps sustain internationalized in-service teacher training through teacher mobility, international cooperation, and training activities. Teacher mobility and international cooperation support efforts to establish partnerships with foreign institutions. The relationships that cégeps have with developing countries are changing: international cooperation, associated with a ??selling?? relationship, is decreasing, while teacher mobility, associated with a ??gelling?? approach, is increasing. Finally, the consistency between cégep activities and the government??s strategies is explained by considering the community of interest composed of cégeps, the government of Québec, and Cégep International. 相似文献