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https://doi.org/10.1007/978-94-017-0544-8The observer method introduced by Busvelle . (1993), is a simple idea that can be used to improve reliable numerical integration of a system of differential equations in the presence of first integrals. In the cited paper the observer method was already tested on some important examples like the Kepler problem and the Gavrilov-Shilnikov system.分散 发表于 2025-3-22 01:44:53
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Al-B-Cu-Ni-Zr,ion, activation energy, crystallization temperature, X-ray diffraction profile, specific heat capacity, DSC/DTA analysis, glass transition temperature and reduced glass transition temperature are notable among the properties reported here.reptile 发表于 2025-3-22 15:02:14
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support an adequate rate of photosynthesis for the normal growth and development of the plant. They have become adapted to this function by opening in response to low CO. concentrations inside the leaf. (2) They permit the entrance of O. into the leaf at a rapid enough rate to support an aerobic res不可接触 发表于 2025-3-22 23:34:53
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