紫外辐射能显著地降低人参培养细胞单细胞克隆的植板率。当紫外辐射悬浮细胞３０ｓ后，细胞克隆的植林率是对照组的２１．４３％。细胞克隆平板培养６０ｄ，挑取......

Mild hydrochloric acid hydrolysis of i-carrageenan from Eucheuma spinosum yielded two oligosaccharides of sulfated tetra......