His expenses do not correspond to his income.他入不敷出。These peaks correspond to side - chain cleavage of the ethyl and propyl groups respectively.这些峰分别相当于乙基和丙基的侧链开裂.The diurnal springs correspond to the semidiurnal neaps an...
常常是用离心法分段收集沉淀的.Precipitates are usually collected by centrifugation at intervals.它可以用离心法分离.This can be separated by centrifugation.结论: 密度梯度离心法分离获得的人胚胎骨髓间充质干细胞纯度高.Conclusion: High purity of MSC can be obtained by density ...