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主要考虑了一类形变Schr(o)dinger-Virasoro型李代数L的中间序列模,给出了此类模的完全分类. 相似文献
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讨论一个带有齐次Neumann边界条件的强耦合捕食模型,给出了非常数正解的存在性. 相似文献
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Mutation in myosin heavy chain 6 causes atrial septal defect 总被引:23,自引:0,他引:23
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Bentley DR Deloukas P Dunham A French L Gregory SG Humphray SJ Mungall AJ Ross MT Carter NP Dunham I Scott CE Ashcroft KJ Atkinson AL Aubin K Beare DM Bethel G Brady N Brook JC Burford DC Burrill WD Burrows C Butler AP Carder C Catanese JJ Clee CM Clegg SM Cobley V Coffey AJ Cole CG Collins JE Conquer JS Cooper RA Culley KM Dawson E Dearden FL Durbin RM de Jong PJ Dhami PD Earthrowl ME Edwards CA Evans RS Gillson CJ Ghori J Green L Gwilliam R Halls KS Hammond S Harper GL Heathcott RW Holden JL 《Nature》2001,409(6822):942-943
We constructed maps for eight chromosomes (1, 6, 9, 10, 13, 20, X and (previously) 22), representing one-third of the genome, by building landmark maps, isolating bacterial clones and assembling contigs. By this approach, we could establish the long-range organization of the maps early in the project, and all contig extension, gap closure and problem-solving was simplified by containment within local regions. The maps currently represent more than 94% of the euchromatic (gene-containing) regions of these chromosomes in 176 contigs, and contain 96% of the chromosome-specific markers in the human gene map. By measuring the remaining gaps, we can assess chromosome length and coverage in sequenced clones. 相似文献
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针对国内新近研制开发的细旦丙纶纤维,本文依据服装舒适性理论,运用常规客观测试方法,对细旦丙纶针织物的液态水传递能力、液态水保持能力、透气性能,放湿干燥性能进行了探讨,最后用灰色聚类判别分析法进行了综合评价。 相似文献
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ROS 作为信息分子是生命科学研究中继发现 NO 是信息分子后的又一重要事件。探索了外源性 ROS(H_2O_2)对人中性粒细胞(Np)呼吸爆发产物 O_2水平的影响,结果表明外源性 H_2O_2对 Np呼吸爆发水平有反馈调节作用。 相似文献