耐辐射性

聚酰亚胺（PI）尤其是芳香族聚酰亚胺具有优良的耐磨性、耐热性、耐辐射性和较高的尺寸稳定性等优点。

Polyimides ( PI ) especially aromatic polyimides have excellent properties of resistance to abrasion , thermal stability , radiation resistance , high dimensional stability .

胶料和成品的物理机械性能、介电性能、阻燃性能和耐环境性能（耐热性、耐蒸汽性和耐辐射性）达到IEC502（1994）和IEC18A（1981）（CO）标准。

The physical properties , dielectric property , flame retardance , heat resistance , steam resistance and radiation resistance of the compound and the finished product are in accordance with the IEC 502 ( 1994 ) and IEC 18A ( 1981 ) standards .

PEN具有优越的耐热性能、机械性能、阻气性、化学稳定性和耐紫外线及耐辐射性，应用前景十分广阔。

PEN has been widely applied because of its good heat-resistance , mechanic property , chemical stability and protecting against ultraviolet radiation .

在生命系统中，DNA、RNA和蛋白质起着决定性的作用，成为生命系统中的三驾马车，核酸解旋酶的重要作用自然不言而喻，而在耐辐射球菌中系统性研究核酸解旋酶的文章却罕见报道。

In life system , Protein , DNA , RNA play a major role and are the troika in living systems . It goes without saying that nucleic acid helicase plays an important role .

双马来酰亚胺树脂（BMI）具有优异的耐高温、耐辐射、电绝缘性、阻燃性，以及良好的尺寸稳定性和力学性能，已被广泛用于先进复合材料的树脂基体。

Bismaleimide ( BMI ) resin has outstanding thermal stability , radiation resistance , electric insulativity , high flame resistance , as well as good dimensional stability and mechanical properties , which has been widely used as resin matrix in advanced polymer composites .