让学生走入精彩的历史天地

教学中教师应运用历史细节，还原教科书中叙述的精彩片段，使学生感受历史细节魅力，提高学习兴趣。教师教学中应尊重学生人格，实施民主教学；营造历史情境，引发学生的探究兴趣；优化课堂教学过程，调动学生的积极性；建立新型评价观，用发展的眼光鼓励学生。

Father Joseph Lelarge de Lignac, a French Oratorian and a Friend of Reaumur against Buffon

Father Joseph-Adrien Lelarge de Lignac was born in Poitiers （France） in the year 1697. He died in Paris in 1762. In 1731, he was ordained priest and he became an oratorian the following year. His Letters to an American is an attempt to refute Buffon and Condillac; this book was prepared in collaboration with Rraumur （J. Roger, P. Charbonnat）. Here, we present some elements of the correspondence between Lignac and Rraumur which show a scientific dialogue about 1736-1748 and we try to bring some foundations of the thought of Lignac to light. Between empiricism and ontology, Lignac stands up for scientific questions being subject to literal reading of the Bible. But Lignac is also the first one to perceive a way of thinking in Buffon Natural History （T. Hoquet）. According to him, the thought of Buffon is a deviation in an order of knowledge, because Natural History would especially be based on observation and experiment. So in this paper, we emphasize two original sources in the thought of Father de Lignac： Malebranche philosophy and his collaboration with Reaumur.

Distribution of Equilibrium Free Energies in a Thermodynamic System with Broken Ergodicity

At low temperatures the configurational phase space of a macroscopic complex system （e.g., a spin-glass） of N - 10^23 interacting particles may split into an exponential number Ωs - exp（const × N） of ergodic sub-spaces （thermodynamic states）. It is usually assumed that the equilibrium collective behavior of such a system is determined by its ground thermodynamic states of the minimal free-energy density, and that the equilibrium free energies follow the distribution of exponentied decay. But actually for some complex systems, the equilibrium free-energy values may follow a Gaussian distribution within an intermediate temperature range, and consequently their equilibrium properties are contributed by excited thermodynamic states. Based on this analysis, the re-weighting parameter y in the cavity approach of spin-glasses is easily understood. Depending on the free-energy distribution, the optimal y can either be equal to or be strictly less than the inverse temperature β.

On the Possibilities of Leisure Studies in Mozambique： Historical and Sociological Considerations

In this paper, the author examines the possibilities of leisure （studies） in Mozambique. First, the author suggests that leisure can he looked at as a social construct which resulted from the colonial regulation of native labour, particularly between 1890s and 1974. Secondly, the author proposes that people look at the conditions of possibility of leisure in a context dominated by the new moral code of conduct, a cathartic purification of the colonial mentality, introduced through the ideology of the ＂New Man＂ created by the ruling party, Frelimo. Thirdly, the author examines the possibility of leisure in the context of Mozambique＇s adherence to neo-liberalism and market-driven economy after the collapse of socialism. The author concludes by providing the ground to establish lines of inquiry for an eventual field of leisure studies.

On the theoretical framework and practice of financial development and financial supervision

Along with the history of the development of financial regulation, we can see that the theory of evolution has experienced from financial liberalization to financial supervision, financial regulation, then to the stage both with the safety and efficiency of financial supervision ; development of the theory of financial regulation experienced the theory of financial supervision represented by classical economics and neo- classical economic theory, to the Keynesian theory and financial repression theory, financial fragility hypothesis, the progressive liberalization of the financial road, then to the financial regulatory theory, regulatory function theory concept, regulatory incentives theory under the framework of economics of information in the 1990s. You can see the way scholars will not have feared in the study of financial regulation, and each theory proposed has its special significance in the special economic and financial environment at the time, and we can not necessarily say what kind of theory is advanced in other theory.

The two Kantian notions of causality： an analytic enquiry

In response to the tricky problem, raised by Hume, of the relationship between causality and freedom, Kant came up with the concept of two kinds of causality： causality of nature and causality of freedom. While the former belongs in the phenomenal realm in the context of speculative reason, the latter, no more than a negative notion in the transcendental realm of things-in-themselves, nevertheless acquires actual objectivity in the context of practical reason. What causality of freedom confirms is freedom in the transcendental rather than the psychological sense. As Kant saw it, these two kinds of causality coexist in divided form in man, who is an existing being both in the realm of phenomena and in that of things-in-themselves. After Kant, it was Marx who, critically synthesizing the contributions of Hegel and Sehopenhauer, succeeded in revealing the hidden answer to the question of Kant＇s concept of two kinds of causality. That is productive labor, which implies both the dimension of goals and the causality of freedom and that of the causality of nature and historical causality. In the context of Marx＇s historical materialism, productive labor emerges as a kingdom of necessity at the very basis of the kingdom of freedom.

Comparison of magnetic properties of DNA-cetyltrimethyl ammonium complex with those of natural DNA

We prepared the DNA-cetyltrimethyl ammonium complex, as well as the same complex intercalated with stable organic free radicals, and studied their magnetic properties by electron magnetic resonance (EMR) spectroscopy and by measuring the magnetization on a superconducting quantum interference device (SQUID). The UV-vis and CD spectra of DNA-quaternary alkyl ammonium complex (DNA--Q+) in organic solvent clearly demonstrated that it retained the double helical B-form conformation. The interhelical spacing of double strand DNA (dsDNA) increased when the counter ions (Na+) of phosphate groups of the natural DNA were replaced with the long alkyl quaternary ammonium groups. The inter-helical distance of DNA-cetyltrimethyl ammonium (CTMA) was 39.1 as confirmed by X-ray diffractometry. In general, the magnetization of the DNA-CTMA complex solid was found to be significantly lower than that of natural DNA. Moreover, intercalation of the complex with stable organic free radicals did not improve magnetization, which again was in marked contrast to natural DNA. EMR spectroscopic behavior of the complex in the solid state also was quite different from that of natural DNA: The unique broad EMR signal of natural DNA in the low field region with g-value greater than 10 disappeared in the DNA-CTMA complex.