外源氮
文章摘要 关键词 外源氮 分解 早期 红松凋落物[gap=1736]Key words external N, decomposition, early stage, needle litter of Pinus koraiensis
我们进一步用膜通道阻断剂验证,发现胞外钙的流入主要是通过N型钙通道和电压门控钠通道流入胞内的。
Whether you're a global Fortune 100 company or a mom-n-pop plumbing supply retailer, internal blogs can help you stay organized and external blogs can change the way people relate to your business.无论你是全球财富100强的公司,或是名不见经传的水管供应零售商,内部博客可以帮助你有条不紊地开展工作,外部博客则能够改变人们与公司建立关系的渠道。
This paper presents a new, simple method for the complete shaking moment balancing of planar n-bar linkages caused by inertia but excluding external loads.本文提出一种能完全平衡平面连杆机构摆动力矩的简便方法。