chemistry chain reactionradical chain reaction 又称为自由基链反应 是以高活性的自由基为链载体的借自由基的传播而进行的链式化学反应
方法：应用免疫组织化学和聚合酶链反应—单链构象多态性分析（PCR-SSCP）检测10例舌白斑和32例舌癌，并结合临床资料进行分析。
Methods:Immunohistochemistry and PCR-SSCP were used to detect the expression of P53 protein and p53 gene mutation in 32 cases of TSCC and 10 cases of tongue leukoplakia.
基于凝相机理与热解实验，从分子层面和化学反应的角度，结合价键、形式电荷、链反应等理论和固体单元推进剂的燃烧状况，提出了AP与HMX间的“连锁互动”机制。
Related to bond polarity, formal charges on atoms, chain reaction theory and the comparison of solid monopropellant combustion and modeling, the "linkage mutualism"mechanism was proposed.
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