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胡锦涛同志在党的十六届五中全会讲话中强调,必须提高自主创新能力,把自主创新能力作为科学技术发展的战略基点和调整产业结构、转变增长方式的中心环节……温家宝总理指出,最重要的是要提高自主创新能力,要把增强自主创新能力作为国家战略,致力于建设创新型国家。《中共中央、国务院关于进一步加强人才  相似文献   
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有时候给孩子喂完奶后,孩子会吐出一些奶,妈妈觉得很奇怪:“喝得并不多,怎么还会吐出来呢。”很多时候,孩子吐奶并不仅仅是因为喂得太多,爸爸妈妈们应该重视孩子的吐奶,找出真正的原因。  相似文献   
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Objective: To investigate the cytokine response pattern (IL-4/IFN-γ) in infants with RSV infections and bronchiolitis during the acute phase. Methods: Four-color flow cytometry was used to measure intracellular IL-4 and IFN-γ expressions in peripheral blood CD3+ and CD8+ lymphocytes from RSV-infected and bronchiolitis infants. Serum IL-4 and IFN-γ levels were also determined. Results: RSV-infected and bronchiolitis infants showed no statistical differences from not-RSV-infected or pneumonia infants and control in the frequency of IL-4 and IFN-γ expressions in CD3+CD8- lymphocytes, showed no obvious Th1/Th2 imbalance, while IFN-γ was expressed much more frequently in CD3+CD8+ lymphocytes. Systematically, RSV-infected and bronchiolitis infants showed much lower levels of serum IL-4 and IL-4/IFN-γ ratios and much higher serum IFN-γ levels than control. However, there were no statistical differences in the above three indices between RSV-infected and not-RSV infected infants or between bronchiolitis and pneumonia infants, except that bronchiolitis infants had a higher level of serum IFN-γ than pneumonia infants statistically. Conclusions: There is no type-2 cytokine response predominance in the acute phase of RSV infection and bronchiolitis. IL-4 production is suppressed and IFN-γ production upregulated, the latter being most prominent in bronchiolitis infants.  相似文献   
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