Despite of several decades of efforts,lung cancer remains one of most deadly diseases,with a 5-year survival rate approximately 15％ worldwide.In China,the situat
The development of the mammalian neocortex involves rounds of symmetric and asymmetric cell division of neural progenitors to fulfill needs of both self-renewal
Respiratory syncytial virus (RSV) is the leading cause of pneumonia and bronchiolitis in infants and is the most frequent cause of lower respiratory tract infec
1.板兰根采挖后,将其晒干,先堆在一起5-7天,让其回潮,再拉出去出风,晒到手握一把板兰根,用力一抓能把大部分抓断,方可装入麻装里贮存。由于广大农户没有专门的贮藏室,可以和
随着我国社会经济的快速发展,对高职院校的教学又提出了新的教学要求,要求高职院校在教学过程中需要从实际出发,重视学生实践能力的培养。基于此,本文就对高职VI设计课程的教
目前我国化肥消费总量占世界总用量的35%,中国稻田氮肥施用量高于世界平均水平75%,但水稻产量增加不明显。增肥不增产、养分利用率下降、土壤养分过量积累以及由此产生的一系列环境问题在农业生产中亟待解决。本研究于2009-2010年在武穴市大金镇大田条件下进行,通过调整基、蘖肥和穗肥的比例,增加钾肥用量,施用有机肥,运用实地氮肥管理(SSNM)来调控氮肥施用量和增加密度等措施得到高产高效的栽培模式。旨