نتایج جستجو برای: n 25
تعداد نتایج: 1277476 فیلتر نتایج به سال:
Geometries of ethylene clusters (C 2 H 4) n in the range of n ≤ 25 are optimized with the intermolecular potential based on the ab initio calculations of the dimer. The heuristic method combined with geometrical perturbations is used for geometry optimization. Ethylene clusters do not take the icosahedral motif characteristic of some van der Waals molecular clusters. The structural evolution of...
In this study we investigated the effects of 24R,25-dihydroxyvitamin D(3) [24R,25(OH)(2)D(3)] on N,N'-dimethylhydrazine (DMH)-induced rat colon carcinogenesis. For experiments 1 and 2, 50 F344 male, 6-week-old rats were divided into five groups in each experiment. Animals were given s.c. injections of DMH once a week for 4 weeks. Those in groups 1-5 were given 24R,25(OH)(2)D(3) in the diet (10,...
····························· P3 Introduction ·····························P4-8 Material and Methods ·························P9-12 Results ······························· P13-19 Discussion and Conclusions ·······················P20-24 Acknowledgements ·························· P24 References ····························· P25-26
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