In this paper, the principle from analog regulation to digital regulation is explained, as an example, a block diagram and experimental set-up for position regulation system are introduced.
Conclusions PDTC can block the regulation of CCL19 in human head and neck squamous cancer cells' survival.
结论PD TC能阻断CCL19对人头颈鳞癌细胞活性的调控、促使细胞发生死亡。
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The utility model relates to a rectangular bearing block rotary positioning device used for the installation, the regulation or the replacement of a roll used for rolling metals.