Extraction the moves' mark and shifting the PLC data storage unit, realizes to the movement work piece's track and the separation control.
对PLC的数据存储单元移位及移值标记的提取，实现对运动工件分组信息跟踪和分组控制。
2
With adoption of SSR mark technology, the DNA extraction method can be effectively employed in seed purity analysis and marker aided breeding activity.
结合采用SSR分子标记技术，此DNA提取方法可有效地用于玉米种子纯度检验和分子标记辅助育种。
3
Methods:The extracting conditions and adsorptive characteristics and elutive parameters of the process were studied by taking the extraction efficiency and purified ratio of Rheum as mark.