The gene expression of ET-1, ETAR, ETBR and ECE was evaluated by semi-quantitative reverse transcription polymerase chain response (RT-PCR).
采用半定量逆转录多聚酶链反应(RT - PCR)检测局部内皮素系统ET - 1、ETAR、ETBR及ECE的基因表达。
JIT purchasing is precisely complied with this tendency, the JIT purchasing may reduce effectively the supply chain response cycle, realizing effective operation.
供应链中实施JIT采购方式正是顺应这一趋势的产物，JIT采购可以有效缩短供应链整体响应周期，实现供应链高效运作。
The structural model of supply chain response time is put forward according to cycle view of supply chain process, and a method of constituent elements of supply chain response time is given.
采用环节分析方法，建立供应链响应时间结构模型，并给出供应链响应时间构成因素的系统分析方法。
The structural model of supply chain response time is put forward according to cycle view of supply chain process, and a method of constituent elements of supply chain response time is given.
采用环节分析方法，建立供应链响应时间结构模型，并给出供应链响应时间构成因素的系统分析方法。
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