1·But further tests on 23 December - including PCR tests carried out at the Chinese Center for Disease Control in Beijing - showed positive results.
但是12月23日的进一步检测—包括在北京中国疾病预防控制中心进行的聚合酶链反应试验—显示结果为阳性。
2·Objective To evaluate the clinical value of fluorescence quantitative PCR(FQ-PCR) technique in diagnosing tuberculosis.
目的探讨荧光定量聚合酶链反应(FQ-PCR)技术诊断结核病临床应用价值。
3·Objective To investigate the clinical application of the Fluorescence quantitative PCR (FQ-PCR) in the detection of HCV infection.
目的:用荧光定量聚合酶链反应(FQ - PCR)测定丙型肝炎病毒在临床的应用。
4·Methods: The PCR technique in which the primers were used as template each other was adopted to obtain the foreign DNAs for Cloning.
方法:以引物互为模板的聚合酶链反应合成目的基因片段。