Objective To study the sensitivity and specificity of single tube nested polymerase chain reaction (SN PCR) technique in detecting Mycobacterium tuberculosis DNA in paraffin embedded tissues.
目的探讨单管巢式聚合酶链反应(SNPCR)检测石蜡包埋组织结核分支杆菌dna的特异性和敏感性。
From the result of short time reaction, the diffusion mechanism for the exchange of AuSn and Au5Sn is the diffusion of Sn through Au5Sn.
且从短时间的结果显示，兩层交换位置的扩散机制是：在Au5Sn中，Sn是主要的扩散元素。
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