韭菜(Allium tuberosum Rottler)是以营养体叶片为商品,具有较强的分蘖能力,可以用分株方法繁殖的多年生蔬菜。我国有众多韭菜地方......

本文通过采用扫描电镜（SEM），对浑善达克沙地葱属（Allium L．）4种植物的花粉形态进行了详细的观察描．述。掌握了它们在扫描电镜水平上的形状......

Objective: There has been a global surge in the number of diabetic cases. Many of the agents used as antidiabetic are ei......

Chemical extraction methods are generally used to evaluate trace element concentrations in soils. The adequacy of these ......