Heterochromatic areas tend to stain intensely during interphase, sometimes forming condensed masses called chromocentres.异染色质部分在间期有染色很浓的倾向, 有时形成浓缩的块状,这些块状叫做染色中心....
Identification and anti - tumor activity determination about anti - tumor components of Gleditsia sinensis Lam.与皂角刺抗肿瘤活性成分的分离鉴定与活性测定>>相似的文献.Aim To investigate the constituents of flavonoids from the stings of Gleditsia s...
The Internal Revenue Service sought to disallow the payments.国内收入署试图驳回这些缴纳款。a shortfall in tax revenue税收收入不足The reckoning up of revenue and expenditure shows a small surplus.收支相抵,略有剩余....