结果2 7例46只肾首次超声检查发现有肾盂分离者，经动态观察有37只肾盂分离完全消失。
Result Pyelic separation has been originally discovered by ultrasound in 46 kidneys of 27 cases and according to dynamic observation it disappears completely in 37 kidneys.
结论：经颅多普勒超声动态观察可监测脑梗死后血管再通的情况。
CONCLUSION the dynamic state observation of TCD can monitor the condition of recanalization of blood vessel after cerebral infarction.
以显微分光光度法和流式细胞计观察经维甲酸（RA）或二甲亚砜（DMSO）处理HL-60细胞的DNA含量和细胞增殖的动态变化。
The alterations of DNA level and cell proliferation dynamics in HL-60 cells induced by RA or DMSO were observed.
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