Human periodontal ligament cells were cultured on the elastic bottom plate and stimulated by elastic stress using mechanical loading system for cultured cells in vitro.
人牙周膜细胞在弹性膜上体外培养,采用体外培养细胞加载系统加载弹性牵张力。
It is the first that the application of PLC to the loading system for the bottom of main shaft in our mine.
PLC在我国矿主井底装载系统中的应用还属首次。
It is the first that the application of PLC to the loading system for the bottom of main shaft in our mine.
PLC在我国矿主井底装载系统中的应用还属首次。
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