Fractographic observations showed that hydrogen could induce surface cracks for smooth specimens and a cleavage fracture pattern for notch specimens at RT.
破断面观察结果显示，在室温中，氢气会导致平滑试片在表面形成裂纹，而在凹槽试片中产生劈裂破坏形态。
2
Methods The genes encoding antibody variable regions were cloned by RT PCR from hybridoma cells and expressed on bacterial phage surface.
方法利用RTPCR 方法扩增抗体可变区基因并表达于噬菌体表面。
3
Methods: Gene chip and RT-PCR were used to study expression of CXCR4 mRNA in two cell lines and the CXCR4 surface expression was also examined by flow cytometry analysis.