The optimal cut-off value of CEA mRNA level for detection of free cancer cells in peritoneal washes and its clinical significance 胃癌术中腹腔游离癌细胞检测临界值的确定及其临床意义
We also want to find a cut-off level at which NO changes from having a beneficial effect on sperm to having a negative affect. 我们也希望找到一个分离点,用来区分何时NO含量对精子是有益而什么情况下又是有害的。
Cut-off level in radiation protection regulations 辐射防护规程中的豁免值问题
Influence of cut-off wall in Changjiang dike on ground water level at its inside aera 长江堤防防渗墙对堤内地下水位的影响分析
Objective To determine the cut-off value of serum neuron-specific enolase ( NSE) level for distinguishing small cell lung cancer ( SCLC) and non-small cell lung cancer ( NSCLC). 目的通过较大样本血清神经元特异烯醇化酶(NSE)的检测,确定鉴别小细胞肺癌(SCLC)与非小细胞肺癌(NSCLC)NSE血清水平临界值。