叶肉是由两层栅栏薄壁组织组成.The mesophyll consists of two layers of palisade parenchyma.NAA或6 - BA会引起马铃薯叶肉原生质体的褐化,但二者互作时却又抑制了原生质体的褐化.NAA or 6 - BA could cause the browning of mesoplyll protoplasts of potato.叶肉中通气组织发达,且均有不规则裂生性气腔.Aere...
The condition of an exchange force has nothing to do with isospin.交换力的条件与同位旋完全无关.Isospin is a vector quantity.同位旋是矢量.The isospin fractionation intermediate ion collisions is studied by using isospin dependence quantum mo...