钾素是植物吸收的大量元素之一。我国土壤的供钾潜力很大,但是植株的吸收的钾却有限。在缺钾条件下,植物根系能够分泌大量的有机酸......

雷公藤(Tripterygium wilfordii Hook.f.)是一种重要的天然药物资源,从雷公藤植株提取分离所得到的倍半萜生物碱具有良好的医药和......

Intermetallic compounds have the characteristics of long-range ordered structure and combination of metallic and covalen......

随着铝工业迅猛发展和我国原油供应的多渠道化,市场上适合预焙阳极生产用的低灰分、低硫石油焦无法保证,石油焦硫含量越来越高.同......

As researchers have gained a better understanding in recent years into the physiological, molecular, and genetic basis o......